Merge branch 'master' into sas-longer-flow

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Install rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: stable
+        toolchain: nightly
         components: rustfmt
         profile: minimal
         override: true

.rustfmt.toml

@@ -0,0 +1,6 @@
+max_width = 100
+comment_width = 80
+wrap_comments = true
+imports_granularity = "Crate"
+use_small_heuristics = "Max"
+group_imports = "StdExternalCrate"

matrix_sdk/examples/autojoin.rs

@@ -1,5 +1,4 @@
 use std::{env, process::exit};
-use tokio::time::{sleep, Duration};
 
 use matrix_sdk::{
     self, async_trait,
@@ -7,6 +6,7 @@ use matrix_sdk::{
     room::Room,
     Client, ClientConfig, EventHandler, SyncSettings,
 };
+use tokio::time::{sleep, Duration};
 use url::Url;
 
 struct AutoJoinBot {
@@ -72,15 +72,11 @@ async fn login_and_sync(
     let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
     let client = Client::new_with_config(homeserver_url, client_config).unwrap();
 
-    client
+    client.login(username, password, None, Some("autojoin bot")).await?;
-        .login(username, password, None, Some("autojoin bot"))
-        .await?;
 
     println!("logged in as {}", username);
 
-    client
+    client.set_event_handler(Box::new(AutoJoinBot::new(client.clone()))).await;
-        .set_event_handler(Box::new(AutoJoinBot::new(client.clone())))
-        .await;
 
     client.sync(SyncSettings::default()).await;
 

matrix_sdk/examples/command_bot.rs

@@ -69,24 +69,23 @@ async fn login_and_sync(
     // create a new Client with the given homeserver url and config
     let client = Client::new_with_config(homeserver_url, client_config).unwrap();
 
-    client
+    client.login(&username, &password, None, Some("command bot")).await?;
-        .login(&username, &password, None, Some("command bot"))
-        .await?;
 
     println!("logged in as {}", username);
 
-    // An initial sync to set up state and so our bot doesn't respond to old messages.
+    // An initial sync to set up state and so our bot doesn't respond to old
-    // If the `StateStore` finds saved state in the location given the initial sync will
+    // messages. If the `StateStore` finds saved state in the location given the
-    // be skipped in favor of loading state from the store
+    // initial sync will be skipped in favor of loading state from the store
     client.sync_once(SyncSettings::default()).await.unwrap();
-    // add our CommandBot to be notified of incoming messages, we do this after the initial
+    // add our CommandBot to be notified of incoming messages, we do this after the
-    // sync to avoid responding to messages before the bot was running.
+    // initial sync to avoid responding to messages before the bot was running.
     client.set_event_handler(Box::new(CommandBot::new())).await;
 
     // since we called `sync_once` before we entered our sync loop we must pass
     // that sync token to `sync`
     let settings = SyncSettings::default().token(client.sync_token().await.unwrap());
-    // this keeps state from the server streaming in to CommandBot via the EventHandler trait
+    // this keeps state from the server streaming in to CommandBot via the
+    // EventHandler trait
     client.sync(settings).await;
 
     Ok(())

matrix_sdk/examples/cross_signing_bootstrap.rs

@@ -5,12 +5,11 @@ use std::{
     sync::atomic::{AtomicBool, Ordering},
 };
 
-use serde_json::json;
-use url::Url;
-
 use matrix_sdk::{
     self, api::r0::uiaa::AuthData, identifiers::UserId, Client, LoopCtrl, SyncSettings,
 };
+use serde_json::json;
+use url::Url;
 
 fn auth_data<'a>(user: &UserId, password: &str, session: Option<&'a str>) -> AuthData<'a> {
     let mut auth_parameters = BTreeMap::new();
@@ -22,11 +21,7 @@ fn auth_data<'a>(user: &UserId, password: &str, session: Option<&'a str>) -> Aut
     auth_parameters.insert("identifier".to_owned(), identifier);
     auth_parameters.insert("password".to_owned(), password.to_owned().into());
 
-    AuthData::DirectRequest {
+    AuthData::DirectRequest { kind: "m.login.password", auth_parameters, session }
-        kind: "m.login.password",
-        auth_parameters,
-        session,
-    }
 }
 
 async fn bootstrap(client: Client, user_id: UserId, password: String) {
@@ -34,9 +29,7 @@ async fn bootstrap(client: Client, user_id: UserId, password: String) {
 
     let mut input = String::new();
 
-    io::stdin()
+    io::stdin().read_line(&mut input).expect("error: unable to read user input");
-        .read_line(&mut input)
-        .expect("error: unable to read user input");
 
     #[cfg(feature = "encryption")]
     if let Err(e) = client.bootstrap_cross_signing(None).await {
@@ -63,9 +56,7 @@ async fn login(
     let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
     let client = Client::new(homeserver_url).unwrap();
 
-    let response = client
+    let response = client.login(username, password, None, Some("rust-sdk")).await?;
-        .login(username, password, None, Some("rust-sdk"))
-        .await?;
 
     let user_id = &response.user_id;
     let client_ref = &client;

matrix_sdk/examples/emoji_verification.rs

@@ -6,7 +6,6 @@ use std::{
         Arc,
     },
 };
-use url::Url;
 
 use matrix_sdk::{
     self,
@@ -14,14 +13,13 @@ use matrix_sdk::{
     identifiers::UserId,
     Client, LoopCtrl, Sas, SyncSettings,
 };
+use url::Url;
 
 async fn wait_for_confirmation(client: Client, sas: Sas) {
     println!("Does the emoji match: {:?}", sas.emoji());
 
     let mut input = String::new();
-    io::stdin()
+    io::stdin().read_line(&mut input).expect("error: unable to read user input");
-        .read_line(&mut input)
-        .expect("error: unable to read user input");
 
     match input.trim().to_lowercase().as_ref() {
         "yes" | "true" | "ok" => {
@@ -68,9 +66,7 @@ async fn login(
     let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
     let client = Client::new(homeserver_url).unwrap();
 
-    client
+    client.login(username, password, None, Some("rust-sdk")).await?;
-        .login(username, password, None, Some("rust-sdk"))
-        .await?;
 
     let client_ref = &client;
     let initial_sync = Arc::new(AtomicBool::from(true));
@@ -81,12 +77,7 @@ async fn login(
             let client = &client_ref;
             let initial = &initial_ref;
 
-            for event in response
+            for event in response.to_device.events.iter().filter_map(|e| e.deserialize().ok()) {
-                .to_device
-                .events
-                .iter()
-                .filter_map(|e| e.deserialize().ok())
-            {
                 match event {
                     AnyToDeviceEvent::KeyVerificationStart(e) => {
                         let sas = client
@@ -129,11 +120,8 @@ async fn login(
 
             if !initial.load(Ordering::SeqCst) {
                 for (_room_id, room_info) in response.rooms.join {
-                    for event in room_info
+                    for event in
-                        .timeline
+                        room_info.timeline.events.iter().filter_map(|e| e.event.deserialize().ok())
-                        .events
-                        .iter()
-                        .filter_map(|e| e.event.deserialize().ok())
                     {
                         if let AnySyncRoomEvent::Message(event) = event {
                             match event {

matrix_sdk/examples/get_profiles.rs

@@ -1,13 +1,12 @@
 use std::{convert::TryFrom, env, process::exit};
 
-use url::Url;
-
 use matrix_sdk::{
     self,
     api::r0::profile,
     identifiers::{MxcUri, UserId},
     Client, Result as MatrixResult,
 };
+use url::Url;
 
 #[derive(Debug)]
 struct UserProfile {
@@ -29,10 +28,7 @@ async fn get_profile(client: Client, mxid: &UserId) -> MatrixResult<UserProfile>
     // Use the response and construct a UserProfile struct.
     // See https://docs.rs/ruma-client-api/0.9.0/ruma_client_api/r0/profile/get_profile/struct.Response.html
     // for details on the Response for this Request
-    let user_profile = UserProfile {
+    let user_profile = UserProfile { avatar_url: resp.avatar_url, displayname: resp.displayname };
-        avatar_url: resp.avatar_url,
-        displayname: resp.displayname,
-    };
     Ok(user_profile)
 }
 
@@ -44,9 +40,7 @@ async fn login(
     let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
     let client = Client::new(homeserver_url).unwrap();
 
-    client
+    client.login(username, password, None, Some("rust-sdk")).await?;
-        .login(username, password, None, Some("rust-sdk"))
-        .await?;
 
     Ok(client)
 }

matrix_sdk/examples/image_bot.rs

@@ -6,7 +6,6 @@ use std::{
     process::exit,
     sync::Arc,
 };
-use tokio::sync::Mutex;
 
 use matrix_sdk::{
     self, async_trait,
@@ -17,6 +16,7 @@ use matrix_sdk::{
     room::Room,
     Client, EventHandler, SyncSettings,
 };
+use tokio::sync::Mutex;
 use url::Url;
 
 struct ImageBot {
@@ -52,9 +52,7 @@ impl EventHandler for ImageBot {
                 println!("sending image");
                 let mut image = self.image.lock().await;
 
-                room.send_attachment("cat", &mime::IMAGE_JPEG, &mut *image, None)
+                room.send_attachment("cat", &mime::IMAGE_JPEG, &mut *image, None).await.unwrap();
-                    .await
-                    .unwrap();
 
                 image.seek(SeekFrom::Start(0)).unwrap();
 
@@ -73,14 +71,10 @@ async fn login_and_sync(
     let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
     let client = Client::new(homeserver_url).unwrap();
 
-    client
+    client.login(&username, &password, None, Some("command bot")).await?;
-        .login(&username, &password, None, Some("command bot"))
-        .await?;
 
     client.sync_once(SyncSettings::default()).await.unwrap();
-    client
+    client.set_event_handler(Box::new(ImageBot::new(image))).await;
-        .set_event_handler(Box::new(ImageBot::new(image)))
-        .await;
 
     let settings = SyncSettings::default().token(client.sync_token().await.unwrap());
     client.sync(settings).await;
@@ -91,12 +85,8 @@ async fn login_and_sync(
 #[tokio::main]
 async fn main() -> Result<(), matrix_sdk::Error> {
     tracing_subscriber::fmt::init();
-    let (homeserver_url, username, password, image_path) = match (
+    let (homeserver_url, username, password, image_path) =
-        env::args().nth(1),
+        match (env::args().nth(1), env::args().nth(2), env::args().nth(3), env::args().nth(4)) {
-        env::args().nth(2),
-        env::args().nth(3),
-        env::args().nth(4),
-    ) {
             (Some(a), Some(b), Some(c), Some(d)) => (a, b, c, d),
             _ => {
                 eprintln!(
@@ -107,10 +97,7 @@ async fn main() -> Result<(), matrix_sdk::Error> {
             }
         };
 
-    println!(
+    println!("helloooo {} {} {} {:#?}", homeserver_url, username, password, image_path);
-        "helloooo {} {} {} {:#?}",
-        homeserver_url, username, password, image_path
-    );
     let path = PathBuf::from(image_path);
     let image = File::open(path).expect("Can't open image file.");
 

matrix_sdk/examples/login.rs

@@ -1,5 +1,4 @@
 use std::{env, process::exit};
-use url::Url;
 
 use matrix_sdk::{
     self, async_trait,
@@ -10,6 +9,7 @@ use matrix_sdk::{
     room::Room,
     Client, EventHandler, SyncSettings,
 };
+use url::Url;
 
 struct EventCallback;
 
@@ -28,9 +28,7 @@ impl EventHandler for EventCallback {
             } = event
             {
                 let member = room.get_member(&sender).await.unwrap().unwrap();
-                let name = member
+                let name = member.display_name().unwrap_or_else(|| member.user_id().as_str());
-                    .display_name()
-                    .unwrap_or_else(|| member.user_id().as_str());
                 println!("{}: {}", name, msg_body);
             }
         }
@@ -47,9 +45,7 @@ async fn login(
 
     client.set_event_handler(Box::new(EventCallback)).await;
 
-    client
+    client.login(username, password, None, Some("rust-sdk")).await?;
-        .login(username, password, None, Some("rust-sdk"))
-        .await?;
     client.sync(SyncSettings::new()).await;
 
     Ok(())

matrix_sdk/src/device.rs

@@ -40,7 +40,8 @@ impl Deref for Device {
 impl Device {
     /// Start a interactive verification with this `Device`
     ///
-    /// Returns a `Sas` object that represents the interactive verification flow.
+    /// Returns a `Sas` object that represents the interactive verification
+    /// flow.
     ///
     /// # Example
     ///
@@ -65,10 +66,7 @@ impl Device {
         let (sas, request) = self.inner.start_verification().await?;
         self.client.send_to_device(&request).await?;
 
-        Ok(Sas {
+        Ok(Sas { inner: sas, client: self.client.clone() })
-            inner: sas,
-            client: self.client.clone(),
-        })
     }
 
     /// Is the device trusted.
@@ -102,10 +100,7 @@ pub struct UserDevices {
 impl UserDevices {
     /// Get the specific device with the given device id.
     pub fn get(&self, device_id: &DeviceId) -> Option<Device> {
-        self.inner.get(device_id).map(|d| Device {
+        self.inner.get(device_id).map(|d| Device { inner: d, client: self.client.clone() })
-            inner: d,
-            client: self.client.clone(),
-        })
     }
 
     /// Iterator over all the device ids of the user devices.
@@ -117,9 +112,6 @@ impl UserDevices {
     pub fn devices(&self) -> impl Iterator<Item = Device> + '_ {
         let client = self.client.clone();
 
-        self.inner.devices().map(move |d| Device {
+        self.inner.devices().map(move |d| Device { inner: d, client: client.clone() })
-            inner: d,
-            client: client.clone(),
-        })
     }
 }

matrix_sdk/src/error.rs

@@ -14,7 +14,11 @@
 
 //! Error conditions.
 
+use std::io::Error as IoError;
+
 use http::StatusCode;
+#[cfg(feature = "encryption")]
+use matrix_sdk_base::crypto::store::CryptoStoreError;
 use matrix_sdk_base::{Error as MatrixError, StoreError};
 use matrix_sdk_common::{
     api::{
@@ -26,12 +30,8 @@ use matrix_sdk_common::{
 };
 use reqwest::Error as ReqwestError;
 use serde_json::Error as JsonError;
-use std::io::Error as IoError;
 use thiserror::Error;
 
-#[cfg(feature = "encryption")]
-use matrix_sdk_base::crypto::store::CryptoStoreError;
-
 /// Result type of the rust-sdk.
 pub type Result<T> = std::result::Result<T, Error>;
 
@@ -43,11 +43,13 @@ pub enum HttpError {
     #[error(transparent)]
     Reqwest(#[from] ReqwestError),
 
-    /// Queried endpoint requires authentication but was called on an anonymous client.
+    /// Queried endpoint requires authentication but was called on an anonymous
+    /// client.
     #[error("the queried endpoint requires authentication but was called before logging in")]
     AuthenticationRequired,
 
-    /// Client tried to force authentication but did not provide an access token.
+    /// Client tried to force authentication but did not provide an access
+    /// token.
     #[error("tried to force authentication but no access token was provided")]
     ForcedAuthenticationWithoutAccessToken,
 
@@ -69,9 +71,10 @@ pub enum HttpError {
 
     /// An error occurred while authenticating.
     ///
-    /// When registering or authenticating the Matrix server can send a `UiaaResponse`
+    /// When registering or authenticating the Matrix server can send a
-    /// as the error type, this is a User-Interactive Authentication API response. This
+    /// `UiaaResponse` as the error type, this is a User-Interactive
-    /// represents an error with information about how to authenticate the user.
+    /// Authentication API response. This represents an error with
+    /// information about how to authenticate the user.
     #[error(transparent)]
     UiaaError(#[from] FromHttpResponseError<UiaaError>),
 
@@ -96,7 +99,8 @@ pub enum Error {
     #[error(transparent)]
     Http(#[from] HttpError),
 
-    /// Queried endpoint requires authentication but was called on an anonymous client.
+    /// Queried endpoint requires authentication but was called on an anonymous
+    /// client.
     #[error("the queried endpoint requires authentication but was called before logging in")]
     AuthenticationRequired,
 

matrix_sdk/src/event_handler/mod.rs

@@ -16,6 +16,7 @@ use std::ops::Deref;
 
 use matrix_sdk_common::{
     api::r0::push::get_notifications::Notification,
+    async_trait,
     events::{
         fully_read::FullyReadEventContent, AnySyncRoomEvent, GlobalAccountDataEvent,
         RoomAccountDataEvent,
@@ -56,7 +57,6 @@ use crate::{
     room::Room,
     Client,
 };
-use matrix_sdk_common::async_trait;
 
 pub(crate) struct Handler {
     pub(crate) inner: Box<dyn EventHandler>,
@@ -77,50 +77,29 @@ impl Handler {
     }
 
     pub(crate) async fn handle_sync(&self, response: &SyncResponse) {
-        for event in response
+        for event in response.account_data.events.iter().filter_map(|e| e.deserialize().ok()) {
-            .account_data
-            .events
-            .iter()
-            .filter_map(|e| e.deserialize().ok())
-        {
             self.handle_account_data_event(&event).await;
         }
 
         for (room_id, room_info) in &response.rooms.join {
             if let Some(room) = self.get_room(room_id) {
-                for event in room_info
+                for event in room_info.ephemeral.events.iter().filter_map(|e| e.deserialize().ok())
-                    .ephemeral
-                    .events
-                    .iter()
-                    .filter_map(|e| e.deserialize().ok())
                 {
                     self.handle_ephemeral_event(room.clone(), &event).await;
                 }
 
-                for event in room_info
+                for event in
-                    .account_data
+                    room_info.account_data.events.iter().filter_map(|e| e.deserialize().ok())
-                    .events
-                    .iter()
-                    .filter_map(|e| e.deserialize().ok())
                 {
-                    self.handle_room_account_data_event(room.clone(), &event)
+                    self.handle_room_account_data_event(room.clone(), &event).await;
-                        .await;
                 }
 
-                for event in room_info
+                for event in room_info.state.events.iter().filter_map(|e| e.deserialize().ok()) {
-                    .state
-                    .events
-                    .iter()
-                    .filter_map(|e| e.deserialize().ok())
-                {
                     self.handle_state_event(room.clone(), &event).await;
                 }
 
-                for event in room_info
+                for event in
-                    .timeline
+                    room_info.timeline.events.iter().filter_map(|e| e.event.deserialize().ok())
-                    .events
-                    .iter()
-                    .filter_map(|e| e.event.deserialize().ok())
                 {
                     self.handle_timeline_event(room.clone(), &event).await;
                 }
@@ -129,30 +108,18 @@ impl Handler {
 
         for (room_id, room_info) in &response.rooms.leave {
             if let Some(room) = self.get_room(room_id) {
-                for event in room_info
+                for event in
-                    .account_data
+                    room_info.account_data.events.iter().filter_map(|e| e.deserialize().ok())
-                    .events
-                    .iter()
-                    .filter_map(|e| e.deserialize().ok())
                 {
-                    self.handle_room_account_data_event(room.clone(), &event)
+                    self.handle_room_account_data_event(room.clone(), &event).await;
-                        .await;
                 }
 
-                for event in room_info
+                for event in room_info.state.events.iter().filter_map(|e| e.deserialize().ok()) {
-                    .state
-                    .events
-                    .iter()
-                    .filter_map(|e| e.deserialize().ok())
-                {
                     self.handle_state_event(room.clone(), &event).await;
                 }
 
-                for event in room_info
+                for event in
-                    .timeline
+                    room_info.timeline.events.iter().filter_map(|e| e.event.deserialize().ok())
-                    .events
-                    .iter()
-                    .filter_map(|e| e.event.deserialize().ok())
                 {
                     self.handle_timeline_event(room.clone(), &event).await;
                 }
@@ -161,31 +128,22 @@ impl Handler {
 
         for (room_id, room_info) in &response.rooms.invite {
             if let Some(room) = self.get_room(room_id) {
-                for event in room_info
+                for event in
-                    .invite_state
+                    room_info.invite_state.events.iter().filter_map(|e| e.deserialize().ok())
-                    .events
-                    .iter()
-                    .filter_map(|e| e.deserialize().ok())
                 {
                     self.handle_stripped_state_event(room.clone(), &event).await;
                 }
             }
         }
 
-        for event in response
+        for event in response.presence.events.iter().filter_map(|e| e.deserialize().ok()) {
-            .presence
-            .events
-            .iter()
-            .filter_map(|e| e.deserialize().ok())
-        {
             self.on_presence_event(&event).await;
         }
 
         for (room_id, notifications) in &response.notifications {
             if let Some(room) = self.get_room(&room_id) {
                 for notification in notifications {
-                    self.on_room_notification(room.clone(), notification.clone())
+                    self.on_room_notification(room.clone(), notification.clone()).await;
-                        .await;
                 }
             }
         }
@@ -249,8 +207,7 @@ impl Handler {
                 self.on_room_tombstone(room, &tomb).await
             }
             AnySyncStateEvent::Custom(custom) => {
-                self.on_custom_event(room, &CustomEvent::State(custom))
+                self.on_custom_event(room, &CustomEvent::State(custom)).await
-                    .await
             }
             _ => {}
         }
@@ -268,8 +225,7 @@ impl Handler {
             }
             AnyStrippedStateEvent::RoomName(name) => self.on_stripped_state_name(room, &name).await,
             AnyStrippedStateEvent::RoomCanonicalAlias(canonical) => {
-                self.on_stripped_state_canonical_alias(room, &canonical)
+                self.on_stripped_state_canonical_alias(room, &canonical).await
-                    .await
             }
             AnyStrippedStateEvent::RoomAliases(aliases) => {
                 self.on_stripped_state_aliases(room, &aliases).await
@@ -341,8 +297,9 @@ pub enum CustomEvent<'c> {
     StrippedState(&'c StrippedStateEvent<CustomEventContent>),
 }
 
-/// This trait allows any type implementing `EventHandler` to specify event callbacks for each event.
+/// This trait allows any type implementing `EventHandler` to specify event
-/// The `Client` calls each method when the corresponding event is received.
+/// callbacks for each event. The `Client` calls each method when the
+/// corresponding event is received.
 ///
 /// # Examples
 /// ```
@@ -427,8 +384,8 @@ pub trait EventHandler: Send + Sync {
     /// Fires when `Client` receives a `RoomEvent::Tombstone` event.
     async fn on_room_tombstone(&self, _: Room, _: &SyncStateEvent<TombstoneEventContent>) {}
 
-    /// Fires when `Client` receives room events that trigger notifications according to
+    /// Fires when `Client` receives room events that trigger notifications
-    /// the push rules of the user.
+    /// according to the push rules of the user.
     async fn on_room_notification(&self, _: Room, _: Notification) {}
 
     // `RoomEvent`s from `IncomingState`
@@ -453,7 +410,8 @@ pub trait EventHandler: Send + Sync {
     async fn on_state_join_rules(&self, _: Room, _: &SyncStateEvent<JoinRulesEventContent>) {}
 
     // `AnyStrippedStateEvent`s
-    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomMember` event.
+    /// Fires when `Client` receives a
+    /// `AnyStrippedStateEvent::StrippedRoomMember` event.
     async fn on_stripped_state_member(
         &self,
         _: Room,
@@ -461,32 +419,38 @@ pub trait EventHandler: Send + Sync {
         _: Option<MemberEventContent>,
     ) {
     }
-    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomName` event.
+    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomName`
+    /// event.
     async fn on_stripped_state_name(&self, _: Room, _: &StrippedStateEvent<NameEventContent>) {}
-    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomCanonicalAlias` event.
+    /// Fires when `Client` receives a
+    /// `AnyStrippedStateEvent::StrippedRoomCanonicalAlias` event.
     async fn on_stripped_state_canonical_alias(
         &self,
         _: Room,
         _: &StrippedStateEvent<CanonicalAliasEventContent>,
     ) {
     }
-    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomAliases` event.
+    /// Fires when `Client` receives a
+    /// `AnyStrippedStateEvent::StrippedRoomAliases` event.
     async fn on_stripped_state_aliases(
         &self,
         _: Room,
         _: &StrippedStateEvent<AliasesEventContent>,
     ) {
     }
-    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomAvatar` event.
+    /// Fires when `Client` receives a
+    /// `AnyStrippedStateEvent::StrippedRoomAvatar` event.
     async fn on_stripped_state_avatar(&self, _: Room, _: &StrippedStateEvent<AvatarEventContent>) {}
-    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomPowerLevels` event.
+    /// Fires when `Client` receives a
+    /// `AnyStrippedStateEvent::StrippedRoomPowerLevels` event.
     async fn on_stripped_state_power_levels(
         &self,
         _: Room,
         _: &StrippedStateEvent<PowerLevelsEventContent>,
     ) {
     }
-    /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomJoinRules` event.
+    /// Fires when `Client` receives a
+    /// `AnyStrippedStateEvent::StrippedRoomJoinRules` event.
     async fn on_stripped_state_join_rules(
         &self,
         _: Room,
@@ -523,31 +487,33 @@ pub trait EventHandler: Send + Sync {
     /// Fires when `Client` receives a `NonRoomEvent::RoomAliases` event.
     async fn on_presence_event(&self, _: &PresenceEvent) {}
 
-    /// Fires when `Client` receives a `Event::Custom` event or if deserialization fails
+    /// Fires when `Client` receives a `Event::Custom` event or if
-    /// because the event was unknown to ruma.
+    /// deserialization fails because the event was unknown to ruma.
     ///
-    /// The only guarantee this method can give about the event is that it is valid JSON.
+    /// The only guarantee this method can give about the event is that it is
+    /// valid JSON.
     async fn on_unrecognized_event(&self, _: Room, _: &RawJsonValue) {}
 
-    /// Fires when `Client` receives a `Event::Custom` event or if deserialization fails
+    /// Fires when `Client` receives a `Event::Custom` event or if
-    /// because the event was unknown to ruma.
+    /// deserialization fails because the event was unknown to ruma.
     ///
-    /// The only guarantee this method can give about the event is that it is in the
+    /// The only guarantee this method can give about the event is that it is in
-    /// shape of a valid matrix event.
+    /// the shape of a valid matrix event.
     async fn on_custom_event(&self, _: Room, _: &CustomEvent<'_>) {}
 }
 
 #[cfg(test)]
 mod test {
-    use super::*;
+    use std::{sync::Arc, time::Duration};
+
     use matrix_sdk_common::{async_trait, locks::Mutex};
     use matrix_sdk_test::{async_test, test_json};
     use mockito::{mock, Matcher};
-    use std::{sync::Arc, time::Duration};
-
     #[cfg(target_arch = "wasm32")]
     pub use wasm_bindgen_test::*;
 
+    use super::*;
+
     #[derive(Clone)]
     pub struct EvHandlerTest(Arc<Mutex<Vec<String>>>);
 
@@ -640,56 +606,50 @@ mod test {
         }
 
         // `AnyStrippedStateEvent`s
-        /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomMember` event.
+        /// Fires when `Client` receives a
+        /// `AnyStrippedStateEvent::StrippedRoomMember` event.
         async fn on_stripped_state_member(
             &self,
             _: Room,
             _: &StrippedStateEvent<MemberEventContent>,
             _: Option<MemberEventContent>,
         ) {
-            self.0
+            self.0.lock().await.push("stripped state member".to_string())
-                .lock()
-                .await
-                .push("stripped state member".to_string())
         }
-        /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomName` event.
+        /// Fires when `Client` receives a
+        /// `AnyStrippedStateEvent::StrippedRoomName` event.
         async fn on_stripped_state_name(&self, _: Room, _: &StrippedStateEvent<NameEventContent>) {
             self.0.lock().await.push("stripped state name".to_string())
         }
-        /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomCanonicalAlias` event.
+        /// Fires when `Client` receives a
+        /// `AnyStrippedStateEvent::StrippedRoomCanonicalAlias` event.
         async fn on_stripped_state_canonical_alias(
             &self,
             _: Room,
             _: &StrippedStateEvent<CanonicalAliasEventContent>,
         ) {
-            self.0
+            self.0.lock().await.push("stripped state canonical".to_string())
-                .lock()
-                .await
-                .push("stripped state canonical".to_string())
         }
-        /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomAliases` event.
+        /// Fires when `Client` receives a
+        /// `AnyStrippedStateEvent::StrippedRoomAliases` event.
         async fn on_stripped_state_aliases(
             &self,
             _: Room,
             _: &StrippedStateEvent<AliasesEventContent>,
         ) {
-            self.0
+            self.0.lock().await.push("stripped state aliases".to_string())
-                .lock()
-                .await
-                .push("stripped state aliases".to_string())
         }
-        /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomAvatar` event.
+        /// Fires when `Client` receives a
+        /// `AnyStrippedStateEvent::StrippedRoomAvatar` event.
         async fn on_stripped_state_avatar(
             &self,
             _: Room,
             _: &StrippedStateEvent<AvatarEventContent>,
         ) {
-            self.0
+            self.0.lock().await.push("stripped state avatar".to_string())
-                .lock()
-                .await
-                .push("stripped state avatar".to_string())
         }
-        /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomPowerLevels` event.
+        /// Fires when `Client` receives a
+        /// `AnyStrippedStateEvent::StrippedRoomPowerLevels` event.
         async fn on_stripped_state_power_levels(
             &self,
             _: Room,
@@ -697,7 +657,8 @@ mod test {
         ) {
             self.0.lock().await.push("stripped state power".to_string())
         }
-        /// Fires when `Client` receives a `AnyStrippedStateEvent::StrippedRoomJoinRules` event.
+        /// Fires when `Client` receives a
+        /// `AnyStrippedStateEvent::StrippedRoomJoinRules` event.
         async fn on_stripped_state_join_rules(
             &self,
             _: Room,
@@ -768,10 +729,7 @@ mod test {
     }
 
     async fn mock_sync(client: &Client, response: String) {
-        let _m = mock(
+        let _m = mock("GET", Matcher::Regex(r"^/_matrix/client/r0/sync\?.*$".to_string()))
-            "GET",
-            Matcher::Regex(r"^/_matrix/client/r0/sync\?.*$".to_string()),
-        )
             .with_status(200)
             .match_header("authorization", "Bearer 1234")
             .with_body(response)
@@ -823,14 +781,7 @@ mod test {
         mock_sync(&client, test_json::INVITE_SYNC.to_string()).await;
 
         let v = test_vec.lock().await;
-        assert_eq!(
+        assert_eq!(v.as_slice(), ["stripped state name", "stripped state member", "presence event"],)
-            v.as_slice(),
-            [
-                "stripped state name",
-                "stripped state member",
-                "presence event"
-            ],
-        )
     }
 
     #[async_test]
@@ -897,15 +848,7 @@ mod test {
         mock_sync(&client, test_json::VOIP_SYNC.to_string()).await;
 
         let v = test_vec.lock().await;
-        assert_eq!(
+        assert_eq!(v.as_slice(), ["call invite", "call answer", "call candidates", "call hangup",],)
-            v.as_slice(),
-            [
-                "call invite",
-                "call answer",
-                "call candidates",
-                "call hangup",
-            ],
-        )
     }
 
     #[async_test]

matrix_sdk/src/http_client.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#[cfg(all(not(target_arch = "wasm32")))]
+use std::sync::atomic::{AtomicU64, Ordering};
 use std::{convert::TryFrom, fmt::Debug, sync::Arc};
 
 #[cfg(all(not(target_arch = "wasm32")))]
@@ -19,16 +21,13 @@ use backoff::{future::retry, Error as RetryError, ExponentialBackoff};
 #[cfg(all(not(target_arch = "wasm32")))]
 use http::StatusCode;
 use http::{HeaderValue, Response as HttpResponse};
-use reqwest::{Client, Response};
-#[cfg(all(not(target_arch = "wasm32")))]
-use std::sync::atomic::{AtomicU64, Ordering};
-use tracing::trace;
-use url::Url;
-
 use matrix_sdk_common::{
     api::r0::media::create_content, async_trait, locks::RwLock, AsyncTraitDeps, AuthScheme,
     FromHttpResponseError, IncomingResponse, SendAccessToken,
 };
+use reqwest::{Client, Response};
+use tracing::trace;
+use url::Url;
 
 use crate::{
     error::HttpError, Bytes, BytesMut, ClientConfig, OutgoingRequest, RequestConfig, Session,
@@ -39,13 +38,16 @@ use crate::{
 #[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
 #[cfg_attr(not(target_arch = "wasm32"), async_trait)]
 pub trait HttpSend: AsyncTraitDeps {
-    /// The method abstracting sending request types and receiving response types.
+    /// The method abstracting sending request types and receiving response
+    /// types.
     ///
-    /// This is called by the client every time it wants to send anything to a homeserver.
+    /// This is called by the client every time it wants to send anything to a
+    /// homeserver.
     ///
     /// # Arguments
     ///
-    /// * `request` - The http request that has been converted from a ruma `Request`.
+    /// * `request` - The http request that has been converted from a ruma
+    ///   `Request`.
     ///
     /// * `request_config` - The config used for this request.
     ///
@@ -122,8 +124,7 @@ impl HttpClient {
         let request = if !self.request_config.assert_identity {
             self.try_into_http_request(request, session, config).await?
         } else {
-            self.try_into_http_request_with_identy_assertion(request, session, config)
+            self.try_into_http_request_with_identy_assertion(request, session, config).await?
-                .await?
         };
 
         self.inner.send_request(request, config).await
@@ -202,9 +203,7 @@ impl HttpClient {
         request: create_content::Request<'_>,
         config: Option<RequestConfig>,
     ) -> Result<create_content::Response, HttpError> {
-        let response = self
+        let response = self.send_request(request, self.session.clone(), config).await?;
-            .send_request(request, self.session.clone(), config)
-            .await?;
         Ok(create_content::Response::try_from_http_response(response)?)
     }
 
@@ -217,9 +216,7 @@ impl HttpClient {
         Request: OutgoingRequest + Debug,
         HttpError: From<FromHttpResponseError<Request::EndpointError>>,
     {
-        let response = self
+        let response = self.send_request(request, self.session.clone(), config).await?;
-            .send_request(request, self.session.clone(), config)
-            .await?;
 
         trace!("Got response: {:?}", response);
 
@@ -256,9 +253,7 @@ pub(crate) fn client_with_config(config: &ClientConfig) -> Result<Client, HttpEr
 
         headers.insert(reqwest::header::USER_AGENT, user_agent);
 
-        http_client
+        http_client.default_headers(headers).timeout(config.request_config.timeout)
-            .default_headers(headers)
-            .timeout(config.request_config.timeout)
     };
 
     #[cfg(target_arch = "wasm32")]
@@ -274,9 +269,7 @@ async fn response_to_http_response(
     let status = response.status();
 
     let mut http_builder = HttpResponse::builder().status(status);
-    let headers = http_builder
+    let headers = http_builder.headers_mut().expect("Can't get the response builder headers");
-        .headers_mut()
-        .expect("Can't get the response builder headers");
 
     for (k, v) in response.headers_mut().drain() {
         if let Some(key) = k {
@@ -286,9 +279,7 @@ async fn response_to_http_response(
 
     let body = response.bytes().await?;
 
-    Ok(http_builder
+    Ok(http_builder.body(body).expect("Can't construct a response using the given body"))
-        .body(body)
-        .expect("Can't construct a response using the given body"))
 }
 
 #[cfg(any(target_arch = "wasm32"))]
@@ -329,18 +320,12 @@ async fn send_request(
         };
 
         // Turn errors into permanent errors when the retry limit is reached
-        let error_type = if stop {
+        let error_type = if stop { RetryError::Permanent } else { RetryError::Transient };
-            RetryError::Permanent
-        } else {
-            RetryError::Transient
-        };
 
         let request = request.try_clone().ok_or(HttpError::UnableToCloneRequest)?;
 
-        let response = client
+        let response =
-            .execute(request)
+            client.execute(request).await.map_err(|e| error_type(HttpError::Reqwest(e)))?;
-            .await
-            .map_err(|e| error_type(HttpError::Reqwest(e)))?;
 
         let status_code = response.status();
         // TODO TOO_MANY_REQUESTS will have a retry timeout which we should

matrix_sdk/src/lib.rs

@@ -17,19 +17,21 @@
 //!
 //! # Enabling logging
 //!
-//! Users of the matrix-sdk crate can enable log output by depending on the `tracing-subscriber`
+//! Users of the matrix-sdk crate can enable log output by depending on the
-//! crate and including the following line in their application (e.g. at the start of `main`):
+//! `tracing-subscriber` crate and including the following line in their
+//! application (e.g. at the start of `main`):
 //!
 //! ```rust
 //! tracing_subscriber::fmt::init();
 //! ```
 //!
-//! The log output is controlled via the `RUST_LOG` environment variable by setting it to one of
+//! The log output is controlled via the `RUST_LOG` environment variable by
-//! the `error`, `warn`, `info`, `debug` or `trace` levels. The output is printed to stdout.
+//! setting it to one of the `error`, `warn`, `info`, `debug` or `trace` levels.
+//! The output is printed to stdout.
 //!
-//! The `RUST_LOG` variable also supports a more advanced syntax for filtering log output more
+//! The `RUST_LOG` variable also supports a more advanced syntax for filtering
-//! precisely, for instance with crate-level granularity. For more information on this, check out
+//! log output more precisely, for instance with crate-level granularity. For
-//! the [tracing_subscriber
+//! more information on this, check out the [tracing_subscriber
 //! documentation](https://tracing.rs/tracing_subscriber/filter/struct.envfilter).
 //!
 //! # Crate Feature Flags
@@ -44,10 +46,13 @@
 //! * `markdown`: Support for sending markdown formatted messages.
 //! * `socks`: Enables SOCKS support in reqwest, the default HTTP client.
 //! * `sso_login`: Enables SSO login with a local http server.
-//! * `require_auth_for_profile_requests`: Whether to send the access token in the authentication
+//! * `require_auth_for_profile_requests`: Whether to send the access token in
-//! header when calling endpoints that retrieve profile data. This matches the synapse
+//!   the authentication
-//! configuration `require_auth_for_profile_requests`. Enabled by default.
+//! header when calling endpoints that retrieve profile data. This matches the
-//! * `appservice`: Enables low-level appservice functionality. For an high-level API there's the
+//! synapse configuration `require_auth_for_profile_requests`. Enabled by
+//! default.
+//! * `appservice`: Enables low-level appservice functionality. For an
+//!   high-level API there's the
 //! `matrix-sdk-appservice` crate
 
 #![deny(
@@ -71,6 +76,7 @@ compile_error!("only one of 'native-tls' or 'rustls-tls' features can be enabled
 #[cfg(all(feature = "sso_login", target_arch = "wasm32"))]
 compile_error!("'sso_login' cannot be enabled on 'wasm32' arch");
 
+pub use bytes::{Bytes, BytesMut};
 #[cfg(feature = "encryption")]
 #[cfg_attr(feature = "docs", doc(cfg(encryption)))]
 pub use matrix_sdk_base::crypto::{EncryptionInfo, LocalTrust};
@@ -78,8 +84,6 @@ pub use matrix_sdk_base::{
     Error as BaseError, Room as BaseRoom, RoomInfo, RoomMember as BaseRoomMember, RoomType,
     Session, StateChanges, StoreError,
 };
-
-pub use bytes::{Bytes, BytesMut};
 pub use matrix_sdk_common::*;
 pub use reqwest;
 

matrix_sdk/src/room/common.rs

@@ -1,3 +1,5 @@
+use std::{ops::Deref, sync::Arc};
+
 use matrix_sdk_base::{deserialized_responses::MembersResponse, identifiers::UserId};
 use matrix_sdk_common::{
     api::r0::{
@@ -8,11 +10,10 @@ use matrix_sdk_common::{
     locks::Mutex,
 };
 
-use std::{ops::Deref, sync::Arc};
-
 use crate::{BaseRoom, Client, Result, RoomMember};
 
-/// A struct containing methodes that are common for Joined, Invited and Left Rooms
+/// A struct containing methodes that are common for Joined, Invited and Left
+/// Rooms
 #[derive(Debug, Clone)]
 pub struct Common {
     inner: BaseRoom,
@@ -36,10 +37,7 @@ impl Common {
     /// * `room` - The underlaying room.
     pub fn new(client: Client, room: BaseRoom) -> Self {
         // TODO: Make this private
-        Self {
+        Self { inner: room, client }
-            inner: room,
-            client,
-        }
     }
 
     /// Leave this room.
@@ -111,9 +109,9 @@ impl Common {
         }
     }
 
-    /// Sends a request to `/_matrix/client/r0/rooms/{room_id}/messages` and returns
+    /// Sends a request to `/_matrix/client/r0/rooms/{room_id}/messages` and
-    /// a `get_message_events::Response` that contains a chunk of room and state events
+    /// returns a `get_message_events::Response` that contains a chunk of
-    /// (`AnyRoomEvent` and `AnyStateEvent`).
+    /// room and state events (`AnyRoomEvent` and `AnyStateEvent`).
     ///
     /// # Arguments
     ///
@@ -152,35 +150,25 @@ impl Common {
 
     pub(crate) async fn request_members(&self) -> Result<Option<MembersResponse>> {
         #[allow(clippy::map_clone)]
-        if let Some(mutex) = self
+        if let Some(mutex) =
-            .client
+            self.client.members_request_locks.get(self.inner.room_id()).map(|m| m.clone())
-            .members_request_locks
-            .get(self.inner.room_id())
-            .map(|m| m.clone())
         {
             mutex.lock().await;
 
             Ok(None)
         } else {
             let mutex = Arc::new(Mutex::new(()));
-            self.client
+            self.client.members_request_locks.insert(self.inner.room_id().clone(), mutex.clone());
-                .members_request_locks
-                .insert(self.inner.room_id().clone(), mutex.clone());
 
             let _guard = mutex.lock().await;
 
             let request = get_member_events::Request::new(self.inner.room_id());
             let response = self.client.send(request, None).await?;
 
-            let response = self
+            let response =
-                .client
+                self.client.base_client.receive_members(self.inner.room_id(), &response).await?;
-                .base_client
-                .receive_members(self.inner.room_id(), &response)
-                .await?;
 
-            self.client
+            self.client.members_request_locks.remove(self.inner.room_id());
-                .members_request_locks
-                .remove(self.inner.room_id());
 
             Ok(Some(response))
         }
@@ -248,9 +236,9 @@ impl Common {
 
     /// Get all the joined members of this room.
     ///
-    /// *Note*: This method will not fetch the members from the homeserver if the
+    /// *Note*: This method will not fetch the members from the homeserver if
-    /// member list isn't synchronized due to member lazy loading. Thus, members
+    /// the member list isn't synchronized due to member lazy loading. Thus,
-    /// could be missing from the list.
+    /// members could be missing from the list.
     ///
     /// Use [joined_members()](#method.joined_members) if you want to ensure to
     /// always get the full member list.
@@ -284,9 +272,9 @@ impl Common {
 
     /// Get a specific member of this room.
     ///
-    /// *Note*: This method will not fetch the members from the homeserver if the
+    /// *Note*: This method will not fetch the members from the homeserver if
-    /// member list isn't synchronized due to member lazy loading. Thus, members
+    /// the member list isn't synchronized due to member lazy loading. Thus,
-    /// could be missing.
+    /// members could be missing.
     ///
     /// Use [get_member()](#method.get_member) if you want to ensure to always
     /// have the full member list to chose from.
@@ -295,7 +283,6 @@ impl Common {
     ///
     /// * `user_id` - The ID of the user that should be fetched out of the
     /// store.
-    ///
     pub async fn get_member_no_sync(&self, user_id: &UserId) -> Result<Option<RoomMember>> {
         Ok(self
             .inner
@@ -304,7 +291,8 @@ impl Common {
             .map(|member| RoomMember::new(self.client.clone(), member)))
     }
 
-    /// Get all members for this room, includes invited, joined and left members.
+    /// Get all members for this room, includes invited, joined and left
+    /// members.
     ///
     /// *Note*: This method will fetch the members from the homeserver if the
     /// member list isn't synchronized due to member lazy loading. Because of
@@ -317,11 +305,12 @@ impl Common {
         self.members_no_sync().await
     }
 
-    /// Get all members for this room, includes invited, joined and left members.
+    /// Get all members for this room, includes invited, joined and left
+    /// members.
     ///
-    /// *Note*: This method will not fetch the members from the homeserver if the
+    /// *Note*: This method will not fetch the members from the homeserver if
-    /// member list isn't synchronized due to member lazy loading. Thus, members
+    /// the member list isn't synchronized due to member lazy loading. Thus,
-    /// could be missing.
+    /// members could be missing.
     ///
     /// Use [members()](#method.members) if you want to ensure to always get
     /// the full member list.

matrix_sdk/src/room/invited.rs

@@ -1,17 +1,20 @@
-use crate::{room::Common, BaseRoom, Client, Result, RoomType};
 use std::ops::Deref;
 
+use crate::{room::Common, BaseRoom, Client, Result, RoomType};
+
 /// A room in the invited state.
 ///
-/// This struct contains all methodes specific to a `Room` with type `RoomType::Invited`.
+/// This struct contains all methodes specific to a `Room` with type
-/// Operations may fail once the underlaying `Room` changes `RoomType`.
+/// `RoomType::Invited`. Operations may fail once the underlaying `Room` changes
+/// `RoomType`.
 #[derive(Debug, Clone)]
 pub struct Invited {
     pub(crate) inner: Common,
 }
 
 impl Invited {
-    /// Create a new `room::Invited` if the underlaying `Room` has type `RoomType::Invited`.
+    /// Create a new `room::Invited` if the underlaying `Room` has type
+    /// `RoomType::Invited`.
     ///
     /// # Arguments
     /// * `client` - The client used to make requests.
@@ -20,9 +23,7 @@ impl Invited {
     pub fn new(client: Client, room: BaseRoom) -> Option<Self> {
         // TODO: Make this private
         if room.room_type() == RoomType::Invited {
-            Some(Self {
+            Some(Self { inner: Common::new(client, room) })
-                inner: Common::new(client, room),
-            })
         } else {
             None
         }

matrix_sdk/src/room/joined.rs

@@ -1,9 +1,11 @@
-use crate::{room::Common, BaseRoom, Client, Result, RoomType};
+#[cfg(feature = "encryption")]
+use std::sync::Arc;
 use std::{io::Read, ops::Deref};
 
 #[cfg(feature = "encryption")]
-use std::sync::Arc;
+use matrix_sdk_base::crypto::AttachmentEncryptor;
-
+#[cfg(feature = "encryption")]
+use matrix_sdk_common::locks::Mutex;
 use matrix_sdk_common::{
     api::r0::{
         membership::{
@@ -34,25 +36,20 @@ use matrix_sdk_common::{
     receipt::ReceiptType,
     uuid::Uuid,
 };
-
 use mime::{self, Mime};
-
-#[cfg(feature = "encryption")]
-use matrix_sdk_common::locks::Mutex;
-
-#[cfg(feature = "encryption")]
-use matrix_sdk_base::crypto::AttachmentEncryptor;
-
 #[cfg(feature = "encryption")]
 use tracing::instrument;
 
+use crate::{room::Common, BaseRoom, Client, Result, RoomType};
+
 const TYPING_NOTICE_TIMEOUT: Duration = Duration::from_secs(4);
 const TYPING_NOTICE_RESEND_TIMEOUT: Duration = Duration::from_secs(3);
 
 /// A room in the joined state.
 ///
-/// The `JoinedRoom` contains all methodes specific to a `Room` with type `RoomType::Joined`.
+/// The `JoinedRoom` contains all methodes specific to a `Room` with type
-/// Operations may fail once the underlaying `Room` changes `RoomType`.
+/// `RoomType::Joined`. Operations may fail once the underlaying `Room` changes
+/// `RoomType`.
 #[derive(Debug, Clone)]
 pub struct Joined {
     pub(crate) inner: Common,
@@ -67,7 +64,8 @@ impl Deref for Joined {
 }
 
 impl Joined {
-    /// Create a new `room::Joined` if the underlaying `BaseRoom` has type `RoomType::Joined`.
+    /// Create a new `room::Joined` if the underlaying `BaseRoom` has type
+    /// `RoomType::Joined`.
     ///
     /// # Arguments
     /// * `client` - The client used to make requests.
@@ -76,9 +74,7 @@ impl Joined {
     pub fn new(client: Client, room: BaseRoom) -> Option<Self> {
         // TODO: Make this private
         if room.room_type() == RoomType::Joined {
-            Some(Self {
+            Some(Self { inner: Common::new(client, room) })
-                inner: Common::new(client, room),
-            })
         } else {
             None
         }
@@ -97,9 +93,7 @@ impl Joined {
     ///
     /// * `reason` - The reason for banning this user.
     pub async fn ban_user(&self, user_id: &UserId, reason: Option<&str>) -> Result<()> {
-        let request = assign!(ban_user::Request::new(self.inner.room_id(), user_id), {
+        let request = assign!(ban_user::Request::new(self.inner.room_id(), user_id), { reason });
-            reason
-        });
         self.client.send(request, None).await?;
         Ok(())
     }
@@ -108,13 +102,12 @@ impl Joined {
     ///
     /// # Arguments
     ///
-    /// * `user_id` - The `UserId` of the user that should be kicked out of the room.
+    /// * `user_id` - The `UserId` of the user that should be kicked out of the
+    ///   room.
     ///
     /// * `reason` - Optional reason why the room member is being kicked out.
     pub async fn kick_user(&self, user_id: &UserId, reason: Option<&str>) -> Result<()> {
-        let request = assign!(kick_user::Request::new(self.inner.room_id(), user_id), {
+        let request = assign!(kick_user::Request::new(self.inner.room_id(), user_id), { reason });
-            reason
-        });
         self.client.send(request, None).await?;
         Ok(())
     }
@@ -148,9 +141,10 @@ impl Joined {
 
     /// Activate typing notice for this room.
     ///
-    /// The typing notice remains active for 4s. It can be deactivate at any point by setting
+    /// The typing notice remains active for 4s. It can be deactivate at any
-    /// typing to `false`. If this method is called while the typing notice is active nothing will happen.
+    /// point by setting typing to `false`. If this method is called while
-    /// This method can be called on every key stroke, since it will do nothing while typing is
+    /// the typing notice is active nothing will happen. This method can be
+    /// called on every key stroke, since it will do nothing while typing is
     /// active.
     ///
     /// # Arguments
@@ -183,21 +177,23 @@ impl Joined {
     /// # });
     /// ```
     pub async fn typing_notice(&self, typing: bool) -> Result<()> {
-        // Only send a request to the homeserver if the old timeout has elapsed or the typing
+        // Only send a request to the homeserver if the old timeout has elapsed
-        // notice changed state within the TYPING_NOTICE_TIMEOUT
+        // or the typing notice changed state within the
+        // TYPING_NOTICE_TIMEOUT
         let send =
             if let Some(typing_time) = self.client.typing_notice_times.get(self.inner.room_id()) {
                 if typing_time.elapsed() > TYPING_NOTICE_RESEND_TIMEOUT {
-                    // We always reactivate the typing notice if typing is true or we may need to
+                    // We always reactivate the typing notice if typing is true or
-                    // deactivate it if it's currently active if typing is false
+                    // we may need to deactivate it if it's
+                    // currently active if typing is false
                     typing || typing_time.elapsed() <= TYPING_NOTICE_TIMEOUT
                 } else {
                     // Only send a request when we need to deactivate typing
                     !typing
                 }
             } else {
-                // Typing notice is currently deactivated, therefore, send a request only when it's
+                // Typing notice is currently deactivated, therefore, send a request
-                // about to be activated
+                // only when it's about to be activated
                 typing
             };
 
@@ -220,11 +216,13 @@ impl Joined {
         Ok(())
     }
 
-    /// Send a request to notify this room that the user has read specific event.
+    /// Send a request to notify this room that the user has read specific
+    /// event.
     ///
     /// # Arguments
     ///
-    /// * `event_id` - The `EventId` specifies the event to set the read receipt on.
+    /// * `event_id` - The `EventId` specifies the event to set the read receipt
+    ///   on.
     pub async fn read_receipt(&self, event_id: &EventId) -> Result<()> {
         let request =
             create_receipt::Request::new(self.inner.room_id(), ReceiptType::Read, event_id);
@@ -233,22 +231,23 @@ impl Joined {
         Ok(())
     }
 
-    /// Send a request to notify this room that the user has read up to specific event.
+    /// Send a request to notify this room that the user has read up to specific
+    /// event.
     ///
     /// # Arguments
     ///
     /// * fully_read - The `EventId` of the event the user has read to.
     ///
-    /// * read_receipt - An `EventId` to specify the event to set the read receipt on.
+    /// * read_receipt - An `EventId` to specify the event to set the read
+    ///   receipt on.
     pub async fn read_marker(
         &self,
         fully_read: &EventId,
         read_receipt: Option<&EventId>,
     ) -> Result<()> {
-        let request = assign!(
+        let request = assign!(set_read_marker::Request::new(self.inner.room_id(), fully_read), {
-            set_read_marker::Request::new(self.inner.room_id(), fully_read),
+            read_receipt
-            { read_receipt }
+        });
-        );
 
         self.client.send(request, None).await?;
         Ok(())
@@ -266,11 +265,8 @@ impl Joined {
         // TODO expose this publicly so people can pre-share a group session if
         // e.g. a user starts to type a message for a room.
         #[allow(clippy::map_clone)]
-        if let Some(mutex) = self
+        if let Some(mutex) =
-            .client
+            self.client.group_session_locks.get(self.inner.room_id()).map(|m| m.clone())
-            .group_session_locks
-            .get(self.inner.room_id())
-            .map(|m| m.clone())
         {
             // If a group session share request is already going on,
             // await the release of the lock.
@@ -279,23 +275,14 @@ impl Joined {
             // Otherwise create a new lock and share the group
             // session.
             let mutex = Arc::new(Mutex::new(()));
-            self.client
+            self.client.group_session_locks.insert(self.inner.room_id().clone(), mutex.clone());
-                .group_session_locks
-                .insert(self.inner.room_id().clone(), mutex.clone());
 
             let _guard = mutex.lock().await;
 
             {
-                let joined = self
+                let joined = self.client.store().get_joined_user_ids(self.inner.room_id()).await?;
-                    .client
+                let invited =
-                    .store()
+                    self.client.store().get_invited_user_ids(self.inner.room_id()).await?;
-                    .get_joined_user_ids(self.inner.room_id())
-                    .await?;
-                let invited = self
-                    .client
-                    .store()
-                    .get_invited_user_ids(self.inner.room_id())
-                    .await?;
                 let members = joined.iter().chain(&invited);
                 self.client.claim_one_time_keys(members).await?;
             };
@@ -308,10 +295,7 @@ impl Joined {
             // session as using it would end up in undecryptable
             // messages.
             if let Err(r) = response {
-                self.client
+                self.client.base_client.invalidate_group_session(self.inner.room_id()).await?;
-                    .base_client
-                    .invalidate_group_session(self.inner.room_id())
-                    .await?;
                 return Err(r);
             }
         }
@@ -328,19 +312,13 @@ impl Joined {
     #[cfg_attr(feature = "docs", doc(cfg(encryption)))]
     #[instrument]
     async fn share_group_session(&self) -> Result<()> {
-        let mut requests = self
+        let mut requests =
-            .client
+            self.client.base_client.share_group_session(self.inner.room_id()).await?;
-            .base_client
-            .share_group_session(self.inner.room_id())
-            .await?;
 
         for request in requests.drain(..) {
             let response = self.client.send_to_device(&request).await?;
 
-            self.client
+            self.client.base_client.mark_request_as_sent(&request.txn_id, &response).await?;
-                .base_client
-                .mark_request_as_sent(&request.txn_id, &response)
-                .await?;
         }
 
         Ok(())
@@ -407,10 +385,7 @@ impl Joined {
 
             self.preshare_group_session().await?;
             AnyMessageEventContent::RoomEncrypted(
-                self.client
+                self.client.base_client.encrypt(self.inner.room_id(), content).await?,
-                    .base_client
-                    .encrypt(self.inner.room_id(), content)
-                    .await?,
             )
         } else {
             content.into()
@@ -430,8 +405,9 @@ impl Joined {
     /// If the room is encrypted and the encryption feature is enabled the
     /// upload will be encrypted.
     ///
-    /// This is a convenience method that calls the [`Client::upload()`](#Client::method.upload)
+    /// This is a convenience method that calls the
-    /// and afterwards the [`send()`](#method.send).
+    /// [`Client::upload()`](#Client::method.upload) and afterwards the
+    /// [`send()`](#method.send).
     ///
     /// # Arguments
     /// * `body` - A textual representation of the media that is going to be
@@ -538,10 +514,7 @@ impl Joined {
             }),
         };
 
-        self.send(
+        self.send(AnyMessageEventContent::RoomMessage(MessageEventContent::new(content)), txn_id)
-            AnyMessageEventContent::RoomMessage(MessageEventContent::new(content)),
-            txn_id,
-        )
             .await
     }
 
@@ -639,10 +612,10 @@ impl Joined {
         txn_id: Option<Uuid>,
     ) -> Result<redact_event::Response> {
         let txn_id = txn_id.unwrap_or_else(Uuid::new_v4).to_string();
-        let request = assign!(
+        let request =
-            redact_event::Request::new(self.inner.room_id(), event_id, &txn_id),
+            assign!(redact_event::Request::new(self.inner.room_id(), event_id, &txn_id), {
-            { reason }
+                reason
-        );
+            });
 
         self.client.send(request, None).await
     }

matrix_sdk/src/room/left.rs

@@ -1,19 +1,22 @@
-use crate::{room::Common, BaseRoom, Client, Result, RoomType};
 use std::ops::Deref;
 
 use matrix_sdk_common::api::r0::membership::forget_room;
 
+use crate::{room::Common, BaseRoom, Client, Result, RoomType};
+
 /// A room in the left state.
 ///
-/// This struct contains all methodes specific to a `Room` with type `RoomType::Left`.
+/// This struct contains all methodes specific to a `Room` with type
-/// Operations may fail once the underlaying `Room` changes `RoomType`.
+/// `RoomType::Left`. Operations may fail once the underlaying `Room` changes
+/// `RoomType`.
 #[derive(Debug, Clone)]
 pub struct Left {
     pub(crate) inner: Common,
 }
 
 impl Left {
-    /// Create a new `room::Left` if the underlaying `Room` has type `RoomType::Left`.
+    /// Create a new `room::Left` if the underlaying `Room` has type
+    /// `RoomType::Left`.
     ///
     /// # Arguments
     /// * `client` - The client used to make requests.
@@ -22,9 +25,7 @@ impl Left {
     pub fn new(client: Client, room: BaseRoom) -> Option<Self> {
         // TODO: Make this private
         if room.room_type() == RoomType::Left {
-            Some(Self {
+            Some(Self { inner: Common::new(client, room) })
-                inner: Common::new(client, room),
-            })
         } else {
             None
         }

matrix_sdk/src/room_member.rs

@@ -1,7 +1,7 @@
-use matrix_sdk_common::api::r0::media::{get_content, get_content_thumbnail};
-
 use std::ops::Deref;
 
+use matrix_sdk_common::api::r0::media::{get_content, get_content_thumbnail};
+
 use crate::{BaseRoomMember, Client, Result};
 
 /// The high-level `RoomMember` representation
@@ -21,10 +21,7 @@ impl Deref for RoomMember {
 
 impl RoomMember {
     pub(crate) fn new(client: Client, member: BaseRoomMember) -> Self {
-        Self {
+        Self { inner: member, client }
-            inner: member,
-            client,
-        }
     }
 
     /// Gets the avatar of this member, if set.

matrix_sdk_appservice/examples/actix_autojoin.rs

@@ -26,11 +26,7 @@ impl AppserviceEventHandler {
 #[async_trait]
 impl EventHandler for AppserviceEventHandler {
     async fn on_room_member(&self, room: Room, event: &SyncStateEvent<MemberEventContent>) {
-        if !self
+        if !self.appservice.user_id_is_in_namespace(&event.state_key).unwrap() {
-            .appservice
-            .user_id_is_in_namespace(&event.state_key)
-            .unwrap()
-        {
             dbg!("not an appservice user");
             return;
         }
@@ -38,11 +34,7 @@ impl EventHandler for AppserviceEventHandler {
         if let MembershipState::Invite = event.content.membership {
             let user_id = UserId::try_from(event.state_key.clone()).unwrap();
 
-            let client = self
+            let client = self.appservice.client_with_localpart(user_id.localpart()).await.unwrap();
-                .appservice
-                .client_with_localpart(user_id.localpart())
-                .await
-                .unwrap();
 
             client.join_room_by_id(room.room_id()).await.unwrap();
         }
@@ -51,10 +43,7 @@ impl EventHandler for AppserviceEventHandler {
 
 #[actix_web::main]
 pub async fn main() -> std::io::Result<()> {
-    env::set_var(
+    env::set_var("RUST_LOG", "actix_web=debug,actix_server=info,matrix_sdk=debug");
-        "RUST_LOG",
-        "actix_web=debug,actix_server=info,matrix_sdk=debug",
-    );
     tracing_subscriber::fmt::init();
 
     let homeserver_url = "http://localhost:8008";
@@ -62,16 +51,11 @@ pub async fn main() -> std::io::Result<()> {
     let registration =
         AppserviceRegistration::try_from_yaml_file("./tests/registration.yaml").unwrap();
 
-    let appservice = Appservice::new(homeserver_url, server_name, registration)
+    let appservice = Appservice::new(homeserver_url, server_name, registration).await.unwrap();
-        .await
-        .unwrap();
 
     let event_handler = AppserviceEventHandler::new(appservice.clone());
 
-    appservice
+    appservice.client().set_event_handler(Box::new(event_handler)).await;
-        .client()
-        .set_event_handler(Box::new(event_handler))
-        .await;
 
     HttpServer::new(move || App::new().service(appservice.actix_service()))
         .bind(("0.0.0.0", 8090))?

matrix_sdk_appservice/src/actix.rs

@@ -17,6 +17,7 @@ use std::{
     pin::Pin,
 };
 
+pub use actix_web::Scope;
 use actix_web::{
     dev::Payload,
     error::PayloadError,
@@ -30,8 +31,6 @@ use futures::Future;
 use futures_util::{TryFutureExt, TryStreamExt};
 use matrix_sdk::api_appservice as api;
 
-pub use actix_web::Scope;
-
 use crate::{error::Error, Appservice};
 
 pub async fn run_server(
@@ -53,10 +52,7 @@ pub fn get_scope() -> Scope {
 }
 
 fn gen_scope(scope: &str) -> Scope {
-    web::scope(scope)
+    web::scope(scope).service(push_transactions).service(query_user_id).service(query_room_alias)
-        .service(push_transactions)
-        .service(query_user_id)
-        .service(query_room_alias)
 }
 
 #[tracing::instrument]
@@ -69,11 +65,7 @@ async fn push_transactions(
         return Ok(HttpResponse::Unauthorized().finish());
     }
 
-    appservice
+    appservice.client().receive_transaction(request.incoming).await.unwrap();
-        .client()
-        .receive_transaction(request.incoming)
-        .await
-        .unwrap();
 
     Ok(HttpResponse::Ok().json("{}"))
 }
@@ -136,13 +128,9 @@ impl<T: matrix_sdk::IncomingRequest> FromRequest for IncomingRequest<T> {
                 uri
             };
 
-            let mut builder = http::request::Builder::new()
+            let mut builder = http::request::Builder::new().method(request.method()).uri(uri);
-                .method(request.method())
-                .uri(uri);
 
-            let headers = builder
+            let headers = builder.headers_mut().ok_or(Error::UnknownHttpRequestBuilder)?;
-                .headers_mut()
-                .ok_or(Error::UnknownHttpRequestBuilder)?;
             for (key, value) in request.headers().iter() {
                 headers.append(key, value.to_owned());
             }
@@ -158,10 +146,7 @@ impl<T: matrix_sdk::IncomingRequest> FromRequest for IncomingRequest<T> {
             let access_token = match request.uri().query() {
                 Some(query) => {
                     let query: Vec<(String, String)> = matrix_sdk::urlencoded::from_str(query)?;
-                    query
+                    query.into_iter().find(|(key, _)| key == "access_token").map(|(_, value)| value)
-                        .into_iter()
-                        .find(|(key, _)| key == "access_token")
-                        .map(|(_, value)| value)
                 }
                 None => None,
             };

matrix_sdk_appservice/src/lib.rs

@@ -14,11 +14,14 @@
 
 //! Matrix [Application Service] library
 //!
-//! The appservice crate aims to provide a batteries-included experience. That means that we
+//! The appservice crate aims to provide a batteries-included experience. That
-//! * ship with functionality to configure your webserver crate or simply run the webserver for you
+//! means that we
+//! * ship with functionality to configure your webserver crate or simply run
+//!   the webserver for you
 //! * receive and validate requests from the homeserver correctly
 //! * allow calling the homeserver with proper virtual user identity assertion
-//! * have the goal to have a consistent room state available by leveraging the stores that the matrix-sdk provides
+//! * have the goal to have a consistent room state available by leveraging the
+//!   stores that the matrix-sdk provides
 //!
 //! # Quickstart
 //!
@@ -62,6 +65,8 @@ use std::{
 };
 
 use http::Uri;
+#[doc(inline)]
+pub use matrix_sdk::api_appservice as api;
 use matrix_sdk::{
     api::{
         error::ErrorKind,
@@ -81,9 +86,6 @@ use regex::Regex;
 use tracing::error;
 use tracing::warn;
 
-#[doc(inline)]
-pub use matrix_sdk::api_appservice as api;
-
 #[cfg(feature = "actix")]
 mod actix;
 mod error;
@@ -104,9 +106,7 @@ impl AppserviceRegistration {
     ///
     /// See the fields of [`Registration`] for the required format
     pub fn try_from_yaml_str(value: impl AsRef<str>) -> Result<Self> {
-        Ok(Self {
+        Ok(Self { inner: serde_yaml::from_str(value.as_ref())? })
-            inner: serde_yaml::from_str(value.as_ref())?,
-        })
     }
 
     /// Try to load registration from yaml file
@@ -115,9 +115,7 @@ impl AppserviceRegistration {
     pub fn try_from_yaml_file(path: impl Into<PathBuf>) -> Result<Self> {
         let file = File::open(path.into())?;
 
-        Ok(Self {
+        Ok(Self { inner: serde_yaml::from_reader(file)? })
-            inner: serde_yaml::from_reader(file)?,
-        })
     }
 }
 
@@ -177,8 +175,10 @@ impl Appservice {
     /// # Arguments
     ///
     /// * `homeserver_url` - The homeserver that the client should connect to.
-    /// * `server_name` - The server name to use when constructing user ids from the localpart.
+    /// * `server_name` - The server name to use when constructing user ids from
-    /// * `registration` - The [Appservice Registration] to use when interacting with the homserver.
+    ///   the localpart.
+    /// * `registration` - The [Appservice Registration] to use when interacting
+    ///   with the homserver.
     ///
     /// [Appservice Registration]: https://matrix.org/docs/spec/application_service/r0.1.2#registration
     pub async fn new(
@@ -209,8 +209,9 @@ impl Appservice {
 
     /// Get `Client` for the given `localpart`
     ///
-    /// If the `localpart` is covered by the `namespaces` in the [registration] all requests to the
+    /// If the `localpart` is covered by the `namespaces` in the [registration]
-    /// homeserver will [assert the identity] to the according virtual user.
+    /// all requests to the homeserver will [assert the identity] to the
+    /// according virtual user.
     ///
     /// [registration]: https://matrix.org/docs/spec/application_service/r0.1.2#registration
     /// [assert the identity]:
@@ -291,7 +292,8 @@ impl Appservice {
 
     /// Get the host and port from the registration URL
     ///
-    /// If no port is found it falls back to scheme defaults: 80 for http and 443 for https
+    /// If no port is found it falls back to scheme defaults: 80 for http and
+    /// 443 for https
     pub fn get_host_and_port_from_registration(&self) -> Result<(Host, Port)> {
         let uri = Uri::try_from(&self.registration.url)?;
 
@@ -315,9 +317,11 @@ impl Appservice {
         actix::get_scope().data(self.clone())
     }
 
-    /// Convenience method that runs an http server depending on the selected server feature
+    /// Convenience method that runs an http server depending on the selected
+    /// server feature
     ///
-    /// This is a blocking call that tries to listen on the provided host and port
+    /// This is a blocking call that tries to listen on the provided host and
+    /// port
     pub async fn run(&self, host: impl AsRef<str>, port: impl Into<u16>) -> Result<()> {
         #[cfg(feature = "actix")]
         {

matrix_sdk_appservice/tests/actix.rs

@@ -1,14 +1,12 @@
 #[cfg(feature = "actix")]
 mod actix {
-    use actix_web::{test, App};
-    use matrix_sdk_appservice::*;
     use std::env;
 
+    use actix_web::{test, App};
+    use matrix_sdk_appservice::*;
+
     async fn appservice() -> Appservice {
-        env::set_var(
+        env::set_var("RUST_LOG", "mockito=debug,matrix_sdk=debug,ruma=debug,actix_web=debug");
-            "RUST_LOG",
-            "mockito=debug,matrix_sdk=debug,ruma=debug,actix_web=debug",
-        );
         let _ = tracing_subscriber::fmt::try_init();
 
         Appservice::new(
@@ -109,7 +107,8 @@ mod actix {
 
         let resp = test::call_service(&app, req).await;
 
-        // TODO: this should actually return a 401 but is 500 because something in the extractor fails
+        // TODO: this should actually return a 401 but is 500 because something in the
+        // extractor fails
         assert_eq!(resp.status(), 500);
     }
 }

matrix_sdk_appservice/tests/tests.rs

@@ -76,10 +76,7 @@ async fn test_event_handler() -> Result<()> {
         }
     }
 
-    appservice
+    appservice.client().set_event_handler(Box::new(Example::new())).await;
-        .client()
-        .set_event_handler(Box::new(Example::new()))
-        .await;
 
     let event = serde_json::from_value::<AnyStateEvent>(member_json()).unwrap();
     let event: Raw<AnyRoomEvent> = AnyRoomEvent::State(event).into();

matrix_sdk_base/examples/state_inspector.rs

@@ -1,12 +1,15 @@
 use std::{convert::TryFrom, fmt::Debug, sync::Arc};
 
-use futures::executor::block_on;
-use serde::Serialize;
-
 #[cfg(not(target_arch = "wasm32"))]
 use atty::Stream;
 #[cfg(not(target_arch = "wasm32"))]
 use clap::{App as Argparse, AppSettings as ArgParseSettings, Arg, ArgMatches, SubCommand};
+use futures::executor::block_on;
+use matrix_sdk_base::{
+    events::EventType,
+    identifiers::{RoomId, UserId},
+    RoomInfo, Store,
+};
 #[cfg(not(target_arch = "wasm32"))]
 use rustyline::{
     completion::{Completer, Pair},
@@ -18,7 +21,7 @@ use rustyline::{
 };
 #[cfg(not(target_arch = "wasm32"))]
 use rustyline_derive::Helper;
-
+use serde::Serialize;
 #[cfg(not(target_arch = "wasm32"))]
 use syntect::{
     dumps::from_binary,
@@ -28,12 +31,6 @@ use syntect::{
     util::{as_24_bit_terminal_escaped, LinesWithEndings},
 };
 
-use matrix_sdk_base::{
-    events::EventType,
-    identifiers::{RoomId, UserId},
-    RoomInfo, Store,
-};
-
 #[derive(Clone)]
 #[cfg(not(target_arch = "wasm32"))]
 struct Inspector {
@@ -79,17 +76,8 @@ impl InspectorHelper {
     fn complete_event_types(&self, arg: Option<&&str>) -> Vec<Pair> {
         Self::EVENT_TYPES
             .iter()
-            .map(|t| Pair {
+            .map(|t| Pair { display: t.to_string(), replacement: format!("{} ", t) })
-                display: t.to_string(),
+            .filter(|r| if let Some(arg) = arg { r.replacement.starts_with(arg) } else { true })
-                replacement: format!("{} ", t),
-            })
-            .filter(|r| {
-                if let Some(arg) = arg {
-                    r.replacement.starts_with(arg)
-                } else {
-                    true
-                }
-            })
             .collect()
     }
 
@@ -102,13 +90,7 @@ impl InspectorHelper {
                 display: r.room_id.to_string(),
                 replacement: format!("{} ", r.room_id.to_string()),
             })
-            .filter(|r| {
+            .filter(|r| if let Some(arg) = arg { r.replacement.starts_with(arg) } else { true })
-                if let Some(arg) = arg {
-                    r.replacement.starts_with(arg)
-                } else {
-                    true
-                }
-            })
             .collect()
     }
 }
@@ -127,15 +109,9 @@ impl Completer for InspectorHelper {
 
         let commands = vec![
             ("get-state", "get a state event in the given room"),
-            (
+            ("get-profiles", "get all the stored profiles in the given room"),
-                "get-profiles",
-                "get all the stored profiles in the given room",
-            ),
             ("list-rooms", "list all rooms"),
-            (
+            ("get-members", "get all the membership events in the given room"),
-                "get-members",
-                "get all the membership events in the given room",
-            ),
         ]
         .iter()
         .map(|(r, d)| Pair {
@@ -154,19 +130,13 @@ impl Completer for InspectorHelper {
             } else {
                 Ok((
                     0,
-                    commands
+                    commands.into_iter().filter(|c| c.replacement.starts_with(args[0])).collect(),
-                        .into_iter()
-                        .filter(|c| c.replacement.starts_with(args[0]))
-                        .collect(),
                 ))
             }
         } else if args.len() == 2 {
             if args[0] == "get-state" {
                 if line.ends_with(' ') {
-                    Ok((
+                    Ok((args[0].len() + args[1].len() + 2, self.complete_event_types(args.get(2))))
-                        args[0].len() + args[1].len() + 2,
-                        self.complete_event_types(args.get(2)),
-                    ))
                 } else {
                     Ok((args[0].len() + 1, self.complete_rooms(args.get(1))))
                 }
@@ -177,10 +147,7 @@ impl Completer for InspectorHelper {
             }
         } else if args.len() == 3 {
             if args[0] == "get-state" {
-                Ok((
+                Ok((args[0].len() + args[1].len() + 2, self.complete_event_types(args.get(2))))
-                    args[0].len() + args[1].len() + 2,
-                    self.complete_event_types(args.get(2)),
-                ))
             } else {
                 Ok((pos, vec![]))
             }
@@ -216,12 +183,7 @@ impl Printer {
         let syntax_set: SyntaxSet = from_binary(include_bytes!("./syntaxes.bin"));
         let themes: ThemeSet = from_binary(include_bytes!("./themes.bin"));
 
-        Self {
+        Self { ps: syntax_set.into(), ts: themes.into(), json, color }
-            ps: syntax_set.into(),
-            ts: themes.into(),
-            json,
-            color,
-        }
     }
 
     fn pretty_print_struct<T: Debug + Serialize>(&self, data: &T) {
@@ -232,13 +194,9 @@ impl Printer {
         };
 
         let syntax = if self.json {
-            self.ps
+            self.ps.find_syntax_by_extension("rs").expect("Can't find rust syntax extension")
-                .find_syntax_by_extension("rs")
-                .expect("Can't find rust syntax extension")
         } else {
-            self.ps
+            self.ps.find_syntax_by_extension("json").expect("Can't find json syntax extension")
-                .find_syntax_by_extension("json")
-                .expect("Can't find json syntax extension")
         };
 
         if self.color {
@@ -305,11 +263,7 @@ impl Inspector {
     }
 
     async fn get_display_name_owners(&self, room_id: RoomId, display_name: String) {
-        let users = self
+        let users = self.store.get_users_with_display_name(&room_id, &display_name).await.unwrap();
-            .store
-            .get_users_with_display_name(&room_id, &display_name)
-            .await
-            .unwrap();
         self.printer.pretty_print_struct(&users);
     }
 
@@ -326,22 +280,14 @@ impl Inspector {
         let joined: Vec<UserId> = self.store.get_joined_user_ids(&room_id).await.unwrap();
 
         for member in joined {
-            let event = self
+            let event = self.store.get_member_event(&room_id, &member).await.unwrap();
-                .store
-                .get_member_event(&room_id, &member)
-                .await
-                .unwrap();
             self.printer.pretty_print_struct(&event);
         }
     }
 
     async fn get_state(&self, room_id: RoomId, event_type: EventType) {
         self.printer.pretty_print_struct(
-            &self
+            &self.store.get_state_event(&room_id, event_type, "").await.unwrap(),
-                .store
-                .get_state_event(&room_id, event_type, "")
-                .await
-                .unwrap(),
         );
     }
 
@@ -350,35 +296,25 @@ impl Inspector {
             SubCommand::with_name("list-rooms"),
             SubCommand::with_name("get-members").arg(
                 Arg::with_name("room-id").required(true).validator(|r| {
-                    RoomId::try_from(r)
+                    RoomId::try_from(r).map(|_| ()).map_err(|_| "Invalid room id given".to_owned())
-                        .map(|_| ())
-                        .map_err(|_| "Invalid room id given".to_owned())
                 }),
             ),
             SubCommand::with_name("get-profiles").arg(
                 Arg::with_name("room-id").required(true).validator(|r| {
-                    RoomId::try_from(r)
+                    RoomId::try_from(r).map(|_| ()).map_err(|_| "Invalid room id given".to_owned())
-                        .map(|_| ())
-                        .map_err(|_| "Invalid room id given".to_owned())
                 }),
             ),
             SubCommand::with_name("get-display-names")
                 .arg(Arg::with_name("room-id").required(true).validator(|r| {
-                    RoomId::try_from(r)
+                    RoomId::try_from(r).map(|_| ()).map_err(|_| "Invalid room id given".to_owned())
-                        .map(|_| ())
-                        .map_err(|_| "Invalid room id given".to_owned())
                 }))
                 .arg(Arg::with_name("display-name").required(true)),
             SubCommand::with_name("get-state")
                 .arg(Arg::with_name("room-id").required(true).validator(|r| {
-                    RoomId::try_from(r)
+                    RoomId::try_from(r).map(|_| ()).map_err(|_| "Invalid room id given".to_owned())
-                        .map(|_| ())
-                        .map_err(|_| "Invalid room id given".to_owned())
                 }))
                 .arg(Arg::with_name("event-type").required(true).validator(|e| {
-                    EventType::try_from(e)
+                    EventType::try_from(e).map(|_| ()).map_err(|_| "Invalid event type".to_string())
-                        .map(|_| ())
-                        .map_err(|_| "Invalid event type".to_string())
                 })),
         ]
     }

matrix_sdk_base/src/client.rs

@@ -87,20 +87,21 @@ pub struct AdditionalUnsignedData {
     pub prev_content: Option<Raw<MemberEventContent>>,
 }
 
-/// Transform state event by hoisting `prev_content` field from `unsigned` to the top level.
+/// Transform state event by hoisting `prev_content` field from `unsigned` to
+/// the top level.
 ///
-/// Due to a [bug in synapse][synapse-bug], `prev_content` often ends up in `unsigned` contrary to
+/// Due to a [bug in synapse][synapse-bug], `prev_content` often ends up in
-/// the C2S spec. Some more discussion can be found [here][discussion]. Until this is fixed in
+/// `unsigned` contrary to the C2S spec. Some more discussion can be found
-/// synapse or handled in Ruma, we use this to hoist up `prev_content` to the top level.
+/// [here][discussion]. Until this is fixed in synapse or handled in Ruma, we
+/// use this to hoist up `prev_content` to the top level.
 ///
 /// [synapse-bug]: <https://github.com/matrix-org/matrix-doc/issues/684#issuecomment-641182668>
 /// [discussion]: <https://github.com/matrix-org/matrix-doc/issues/684#issuecomment-641182668>
 pub fn hoist_and_deserialize_state_event(
     event: &Raw<AnySyncStateEvent>,
 ) -> StdResult<AnySyncStateEvent, serde_json::Error> {
-    let prev_content = serde_json::from_str::<AdditionalEventData>(event.json().get())?
+    let prev_content =
-        .unsigned
+        serde_json::from_str::<AdditionalEventData>(event.json().get())?.unsigned.prev_content;
-        .prev_content;
 
     let mut ev = event.deserialize()?;
 
@@ -116,9 +117,8 @@ pub fn hoist_and_deserialize_state_event(
 fn hoist_member_event(
     event: &Raw<StateEvent<MemberEventContent>>,
 ) -> StdResult<StateEvent<MemberEventContent>, serde_json::Error> {
-    let prev_content = serde_json::from_str::<AdditionalEventData>(event.json().get())?
+    let prev_content =
-        .unsigned
+        serde_json::from_str::<AdditionalEventData>(event.json().get())?.unsigned.prev_content;
-        .prev_content;
 
     let mut e = event.deserialize()?;
 
@@ -340,7 +340,8 @@ impl BaseClient {
     ///
     /// # Arguments
     ///
-    /// * `response` - A successful login response that contains our access token
+    /// * `response` - A successful login response that contains our access
+    ///   token
     /// and device id.
     pub async fn receive_login_response(
         &self,
@@ -440,9 +441,7 @@ impl BaseClient {
                         AnySyncRoomEvent::State(s) => match s {
                             AnySyncStateEvent::RoomMember(member) => {
                                 if let Ok(member) = MemberEvent::try_from(member.clone()) {
-                                    ambiguity_cache
+                                    ambiguity_cache.handle_event(changes, room_id, &member).await?;
-                                        .handle_event(changes, room_id, &member)
-                                        .await?;
 
                                     match member.content.membership {
                                         MembershipState::Join | MembershipState::Invite => {
@@ -500,8 +499,7 @@ impl BaseClient {
                     }
 
                     if let Some(context) = &mut push_context {
-                        self.update_push_room_context(context, user_id, room_info, changes)
+                        self.update_push_room_context(context, user_id, room_info, changes).await;
-                            .await;
                     } else {
                         push_context = self.get_push_room_context(room, room_info, changes).await?;
                     }
@@ -521,10 +519,13 @@ impl BaseClient {
                                 ),
                             );
                         }
-                        // TODO if there is an Action::SetTweak(Tweak::Highlight) we need to store
+                        // TODO if there is an
-                        // its value with the event so a client can show if the event is highlighted
+                        // Action::SetTweak(Tweak::Highlight) we need to store
+                        // its value with the event so a client can show if the
+                        // event is highlighted
                         // in the UI.
-                        // Requires the possibility to associate custom data with events and to
+                        // Requires the possibility to associate custom data
+                        // with events and to
                         // store them.
                     }
                 }
@@ -762,18 +763,14 @@ impl BaseClient {
         let mut changes = StateChanges::new(next_batch.clone());
         let mut ambiguity_cache = AmbiguityCache::new(self.store.clone());
 
-        self.handle_account_data(&account_data.events, &mut changes)
+        self.handle_account_data(&account_data.events, &mut changes).await;
-            .await;
 
         let push_rules = self.get_push_rules(&changes).await?;
 
         let mut new_rooms = Rooms::default();
 
         for (room_id, new_info) in rooms.join {
-            let room = self
+            let room = self.store.get_or_create_room(&room_id, RoomType::Joined).await;
-                .store
-                .get_or_create_room(&room_id, RoomType::Joined)
-                .await;
             let mut room_info = room.clone_info();
             room_info.mark_as_joined();
 
@@ -844,10 +841,7 @@ impl BaseClient {
         }
 
         for (room_id, new_info) in rooms.leave {
-            let room = self
+            let room = self.store.get_or_create_room(&room_id, RoomType::Left).await;
-                .store
-                .get_or_create_room(&room_id, RoomType::Left)
-                .await;
             let mut room_info = room.clone_info();
             room_info.mark_as_left();
 
@@ -876,18 +870,14 @@ impl BaseClient {
                 .await;
 
             changes.add_room(room_info);
-            new_rooms.leave.insert(
+            new_rooms
-                room_id,
+                .leave
-                LeftRoom::new(timeline, new_info.state, new_info.account_data),
+                .insert(room_id, LeftRoom::new(timeline, new_info.state, new_info.account_data));
-            );
         }
 
         for (room_id, new_info) in rooms.invite {
             {
-                let room = self
+                let room = self.store.get_or_create_room(&room_id, RoomType::Invited).await;
-                    .store
-                    .get_or_create_room(&room_id, RoomType::Invited)
-                    .await;
                 let mut room_info = room.clone_info();
                 room_info.mark_as_invited();
                 changes.add_room(room_info);
@@ -934,9 +924,7 @@ impl BaseClient {
                 .into_iter()
                 .map(|(k, v)| (k, v.into()))
                 .collect(),
-            ambiguity_changes: AmbiguityChanges {
+            ambiguity_changes: AmbiguityChanges { changes: ambiguity_cache.changes },
-                changes: ambiguity_cache.changes,
-            },
             notifications: changes.notifications,
         };
 
@@ -968,11 +956,7 @@ impl BaseClient {
         let members: Vec<MemberEvent> = response
             .chunk
             .iter()
-            .filter_map(|e| {
+            .filter_map(|e| hoist_member_event(e).ok().and_then(|e| MemberEvent::try_from(e).ok()))
-                hoist_member_event(e)
-                    .ok()
-                    .and_then(|e| MemberEvent::try_from(e).ok())
-            })
             .collect();
         let mut ambiguity_cache = AmbiguityCache::new(self.store.clone());
 
@@ -986,12 +970,7 @@ impl BaseClient {
             let mut user_ids = BTreeSet::new();
 
             for member in &members {
-                if self
+                if self.store.get_member_event(&room_id, &member.state_key).await?.is_none() {
-                    .store
-                    .get_member_event(&room_id, &member.state_key)
-                    .await?
-                    .is_none()
-                {
                     #[cfg(feature = "encryption")]
                     match member.content.membership {
                         MembershipState::Join | MembershipState::Invite => {
@@ -1000,9 +979,7 @@ impl BaseClient {
                         _ => (),
                     }
 
-                    ambiguity_cache
+                    ambiguity_cache.handle_event(&changes, room_id, &member).await?;
-                        .handle_event(&changes, room_id, &member)
-                        .await?;
 
                     if member.state_key == member.sender {
                         changes
@@ -1036,9 +1013,7 @@ impl BaseClient {
 
         Ok(MembersResponse {
             chunk: members,
-            ambiguity_changes: AmbiguityChanges {
+            ambiguity_changes: AmbiguityChanges { changes: ambiguity_cache.changes },
-                changes: ambiguity_cache.changes,
-            },
         })
     }
 
@@ -1050,7 +1025,8 @@ impl BaseClient {
     ///
     /// # Arguments
     ///
-    /// * `filter_name` - The name that should be used to persist the filter id in
+    /// * `filter_name` - The name that should be used to persist the filter id
+    ///   in
     /// the store.
     ///
     /// * `response` - The successful filter upload response containing the
@@ -1062,10 +1038,7 @@ impl BaseClient {
         filter_name: &str,
         response: &api::filter::create_filter::Response,
     ) -> Result<()> {
-        Ok(self
+        Ok(self.store.save_filter(filter_name, &response.filter_id).await?)
-            .store
-            .save_filter(filter_name, &response.filter_id)
-            .await?)
     }
 
     /// Get the filter id of a previously uploaded filter.
@@ -1231,11 +1204,7 @@ impl BaseClient {
     #[cfg(feature = "encryption")]
     #[cfg_attr(feature = "docs", doc(cfg(encryption)))]
     pub async fn get_verification(&self, flow_id: &str) -> Option<Sas> {
-        self.olm
+        self.olm.lock().await.as_ref().and_then(|o| o.get_verification(flow_id))
-            .lock()
-            .await
-            .as_ref()
-            .and_then(|o| o.get_verification(flow_id))
     }
 
     /// Get a specific device of a user.
@@ -1284,10 +1253,12 @@ impl BaseClient {
 
     /// Get the user login session.
     ///
-    /// If the client is currently logged in, this will return a `matrix_sdk::Session` object which
+    /// If the client is currently logged in, this will return a
-    /// can later be given to `restore_login`.
+    /// `matrix_sdk::Session` object which can later be given to
+    /// `restore_login`.
     ///
-    /// Returns a session object if the client is logged in. Otherwise returns `None`.
+    /// Returns a session object if the client is logged in. Otherwise returns
+    /// `None`.
     pub async fn get_session(&self) -> Option<Session> {
         self.session.read().await.clone()
     }
@@ -1349,8 +1320,9 @@ impl BaseClient {
 
     /// Get the push rules.
     ///
-    /// Gets the push rules from `changes` if they have been updated, otherwise get them from the
+    /// Gets the push rules from `changes` if they have been updated, otherwise
-    /// store. As a fallback, uses `Ruleset::server_default` if the user is logged in.
+    /// get them from the store. As a fallback, uses
+    /// `Ruleset::server_default` if the user is logged in.
     pub async fn get_push_rules(&self, changes: &StateChanges) -> Result<Ruleset> {
         if let Some(AnyGlobalAccountDataEvent::PushRules(event)) = changes
             .account_data
@@ -1374,11 +1346,11 @@ impl BaseClient {
 
     /// Get the push context for the given room.
     ///
-    /// Tries to get the data from `changes` or the up to date `room_info`. Loads the data from the
+    /// Tries to get the data from `changes` or the up to date `room_info`.
-    /// store otherwise.
+    /// Loads the data from the store otherwise.
     ///
-    /// Returns `None` if some data couldn't be found. This should only happen in brand new rooms,
+    /// Returns `None` if some data couldn't be found. This should only happen
-    /// while we process its state.
+    /// in brand new rooms, while we process its state.
     pub async fn get_push_room_context(
         &self,
         room: &Room,
@@ -1390,16 +1362,10 @@ impl BaseClient {
 
         let member_count = room_info.active_members_count();
 
-        let user_display_name = if let Some(member) = changes
+        let user_display_name = if let Some(member) =
-            .members
+            changes.members.get(room_id).and_then(|members| members.get(user_id))
-            .get(room_id)
-            .and_then(|members| members.get(user_id))
         {
-            member
+            member.content.displayname.clone().unwrap_or_else(|| user_id.localpart().to_owned())
-                .content
-                .displayname
-                .clone()
-                .unwrap_or_else(|| user_id.localpart().to_owned())
         } else if let Some(member) = room.get_member(user_id).await? {
             member.name().to_owned()
         } else {
@@ -1449,16 +1415,10 @@ impl BaseClient {
 
         push_rules.member_count = UInt::new(room_info.active_members_count()).unwrap_or(UInt::MAX);
 
-        if let Some(member) = changes
+        if let Some(member) = changes.members.get(room_id).and_then(|members| members.get(user_id))
-            .members
-            .get(room_id)
-            .and_then(|members| members.get(user_id))
         {
-            push_rules.user_display_name = member
+            push_rules.user_display_name =
-                .content
+                member.content.displayname.clone().unwrap_or_else(|| user_id.localpart().to_owned())
-                .displayname
-                .clone()
-                .unwrap_or_else(|| user_id.localpart().to_owned())
         }
 
         if let Some(AnySyncStateEvent::RoomPowerLevels(event)) = changes

matrix_sdk_base/src/error.rs

@@ -15,12 +15,12 @@
 
 //! Error conditions.
 
-use serde_json::Error as JsonError;
 use std::io::Error as IoError;
-use thiserror::Error;
 
 #[cfg(feature = "encryption")]
 use matrix_sdk_crypto::{CryptoStoreError, MegolmError, OlmError};
+use serde_json::Error as JsonError;
+use thiserror::Error;
 
 /// Result type of the rust-sdk.
 pub type Result<T, E = Error> = std::result::Result<T, E>;
@@ -28,7 +28,8 @@ pub type Result<T, E = Error> = std::result::Result<T, E>;
 /// Internal representation of errors.
 #[derive(Error, Debug)]
 pub enum Error {
-    /// Queried endpoint requires authentication but was called on an anonymous client.
+    /// Queried endpoint requires authentication but was called on an anonymous
+    /// client.
     #[error("the queried endpoint requires authentication but was called before logging in")]
     AuthenticationRequired,
 

matrix_sdk_base/src/lib.rs

@@ -36,11 +36,12 @@
 )]
 #![cfg_attr(feature = "docs", feature(doc_cfg))]
 
+pub use matrix_sdk_common::*;
+
 pub use crate::{
     error::{Error, Result},
     session::Session,
 };
-pub use matrix_sdk_common::*;
 
 mod client;
 mod error;
@@ -48,11 +49,9 @@ mod rooms;
 mod session;
 mod store;
 
-pub use rooms::{Room, RoomInfo, RoomMember, RoomType};
-pub use store::{StateChanges, StateStore, Store, StoreError};
-
 pub use client::{BaseClient, BaseClientConfig};
-
 #[cfg(feature = "encryption")]
 #[cfg_attr(feature = "docs", doc(cfg(encryption)))]
 pub use matrix_sdk_crypto as crypto;
+pub use rooms::{Room, RoomInfo, RoomMember, RoomType};
+pub use store::{StateChanges, StateStore, Store, StoreError};

matrix_sdk_base/src/rooms/mod.rs

@@ -1,27 +1,22 @@
 mod members;
 mod normal;
 
-use matrix_sdk_common::{
-    events::room::{
-        create::CreateEventContent, guest_access::GuestAccess,
-        history_visibility::HistoryVisibility, join_rules::JoinRule,
-    },
-    identifiers::{MxcUri, UserId},
-};
-pub use normal::{Room, RoomInfo, RoomType};
-
-pub use members::RoomMember;
-
-use serde::{Deserialize, Serialize};
 use std::cmp::max;
 
 use matrix_sdk_common::{
     events::{
-        room::{encryption::EncryptionEventContent, tombstone::TombstoneEventContent},
+        room::{
+            create::CreateEventContent, encryption::EncryptionEventContent,
+            guest_access::GuestAccess, history_visibility::HistoryVisibility, join_rules::JoinRule,
+            tombstone::TombstoneEventContent,
+        },
         AnyStateEventContent,
     },
-    identifiers::RoomAliasId,
+    identifiers::{MxcUri, RoomAliasId, UserId},
 };
+pub use members::RoomMember;
+pub use normal::{Room, RoomInfo, RoomType};
+use serde::{Deserialize, Serialize};
 
 /// A base room info struct that is the backbone of normal as well as stripped
 /// rooms. Holds all the state events that are important to present a room to
@@ -71,20 +66,12 @@ impl BaseRoomInfo {
         let invited_joined = (invited_member_count + joined_member_count).saturating_sub(1);
 
         if heroes_count >= invited_joined {
-            let mut names = heroes
+            let mut names = heroes.iter().take(3).map(|mem| mem.name()).collect::<Vec<&str>>();
-                .iter()
-                .take(3)
-                .map(|mem| mem.name())
-                .collect::<Vec<&str>>();
             // stabilize ordering
             names.sort_unstable();
             names.join(", ")
         } else if heroes_count < invited_joined && invited_joined > 1 {
-            let mut names = heroes
+            let mut names = heroes.iter().take(3).map(|mem| mem.name()).collect::<Vec<&str>>();
-                .iter()
-                .take(3)
-                .map(|mem| mem.name())
-                .collect::<Vec<&str>>();
             names.sort_unstable();
 
             // TODO: What length does the spec want us to use here and in
@@ -149,10 +136,8 @@ impl BaseRoomInfo {
                 true
             }
             AnyStateEventContent::RoomPowerLevels(p) => {
-                let max_power_level = p
+                let max_power_level =
-                    .users
+                    p.users.values().fold(self.max_power_level, |acc, p| max(acc, (*p).into()));
-                    .values()
-                    .fold(self.max_power_level, |acc, p| max(acc, (*p).into()));
                 self.max_power_level = max_power_level;
                 true
             }

matrix_sdk_base/src/rooms/normal.rs

@@ -37,14 +37,14 @@ use matrix_sdk_common::{
 use serde::{Deserialize, Serialize};
 use tracing::info;
 
+use super::{BaseRoomInfo, RoomMember};
 use crate::{
     deserialized_responses::UnreadNotificationsCount,
     store::{Result as StoreResult, StateStore},
 };
 
-use super::{BaseRoomInfo, RoomMember};
+/// The underlying room data structure collecting state for joined, left and
-
+/// invtied rooms.
-/// The underlying room data structure collecting state for joined, left and invtied rooms.
 #[derive(Debug, Clone)]
 pub struct Room {
     room_id: Arc<RoomId>,
@@ -135,7 +135,8 @@ impl Room {
 
     /// Check if the room has it's members fully synced.
     ///
-    /// Members might be missing if lazy member loading was enabled for the sync.
+    /// Members might be missing if lazy member loading was enabled for the
+    /// sync.
     ///
     /// Returns true if no members are missing, false otherwise.
     pub fn are_members_synced(&self) -> bool {
@@ -200,12 +201,7 @@ impl Room {
 
     /// Get the history visibility policy of this room.
     pub fn history_visibility(&self) -> HistoryVisibility {
-        self.inner
+        self.inner.read().unwrap().base_info.history_visibility.clone()
-            .read()
-            .unwrap()
-            .base_info
-            .history_visibility
-            .clone()
     }
 
     /// Is the room considered to be public.
@@ -367,9 +363,7 @@ impl Room {
         );
 
         let inner = self.inner.read().unwrap();
-        Ok(inner
+        Ok(inner.base_info.calculate_room_name(joined, invited, members))
-            .base_info
-            .calculate_room_name(joined, invited, members))
     }
 
     pub(crate) fn clone_info(&self) -> RoomInfo {
@@ -394,11 +388,8 @@ impl Room {
                 return Ok(None);
             };
 
-        let presence = self
+        let presence =
-            .store
+            self.store.get_presence_event(user_id).await?.and_then(|e| e.deserialize().ok());
-            .get_presence_event(user_id)
-            .await?
-            .and_then(|e| e.deserialize().ok());
         let profile = self.store.get_profile(self.room_id(), user_id).await?;
         let max_power_level = self.max_power_level();
         let is_room_creator = self
@@ -411,8 +402,8 @@ impl Room {
             .map(|c| &c.creator == user_id)
             .unwrap_or(false);
 
-        let power = self
+        let power =
-            .store
+            self.store
                 .get_state_event(self.room_id(), EventType::RoomPowerLevels, "")
                 .await?
                 .and_then(|e| e.deserialize().ok())
@@ -428,11 +419,7 @@ impl Room {
             .store
             .get_users_with_display_name(
                 self.room_id(),
-                member_event
+                member_event.content.displayname.as_deref().unwrap_or_else(|| user_id.localpart()),
-                    .content
-                    .displayname
-                    .as_deref()
-                    .unwrap_or_else(|| user_id.localpart()),
             )
             .await?
             .len()
@@ -558,8 +545,6 @@ impl RoomInfo {
     ///
     /// The return value is saturated at `u64::MAX`.
     pub fn active_members_count(&self) -> u64 {
-        self.summary
+        self.summary.joined_member_count.saturating_add(self.summary.invited_member_count)
-            .joined_member_count
-            .saturating_add(self.summary.invited_member_count)
     }
 }

matrix_sdk_base/src/session.rs

@@ -15,9 +15,8 @@
 
 //! User sessions.
 
-use serde::{Deserialize, Serialize};
-
 use matrix_sdk_common::identifiers::{DeviceId, UserId};
+use serde::{Deserialize, Serialize};
 
 /// A user session, containing an access token and information about the
 /// associated user account.

matrix_sdk_base/src/store/ambiguity_map.rs

@@ -19,12 +19,10 @@ use matrix_sdk_common::{
     events::room::member::MembershipState,
     identifiers::{EventId, RoomId, UserId},
 };
-
 use tracing::trace;
 
-use crate::Store;
-
 use super::{Result, StateChanges};
+use crate::Store;
 
 #[derive(Clone, Debug)]
 pub struct AmbiguityCache {
@@ -51,11 +49,8 @@ impl AmbiguityMap {
     }
 
     fn add(&mut self, user_id: UserId) -> Option<UserId> {
-        let ambiguous_user = if self.user_count() == 1 {
+        let ambiguous_user =
-            self.users.iter().next().cloned()
+            if self.user_count() == 1 { self.users.iter().next().cloned() } else { None };
-        } else {
-            None
-        };
 
         self.users.insert(user_id);
 
@@ -73,11 +68,7 @@ impl AmbiguityMap {
 
 impl AmbiguityCache {
     pub fn new(store: Store) -> Self {
-        Self {
+        Self { store, cache: BTreeMap::new(), changes: BTreeMap::new() }
-            store,
-            cache: BTreeMap::new(),
-            changes: BTreeMap::new(),
-        }
     }
 
     pub async fn handle_event(
@@ -115,12 +106,9 @@ impl AmbiguityCache {
             return Ok(());
         }
 
-        let disambiguated_member = old_map
+        let disambiguated_member = old_map.as_mut().and_then(|o| o.remove(&member_event.state_key));
-            .as_mut()
+        let ambiguated_member =
-            .and_then(|o| o.remove(&member_event.state_key));
+            new_map.as_mut().and_then(|n| n.add(member_event.state_key.clone()));
-        let ambiguated_member = new_map
-            .as_mut()
-            .and_then(|n| n.add(member_event.state_key.clone()));
         let ambiguous = new_map.as_ref().map(|n| n.is_ambiguous()).unwrap_or(false);
 
         self.update(room_id, old_map, new_map);
@@ -131,11 +119,7 @@ impl AmbiguityCache {
             member_ambiguous: ambiguous,
         };
 
-        trace!(
+        trace!("Handling display name ambiguity for {}: {:#?}", member_event.state_key, change);
-            "Handling display name ambiguity for {}: {:#?}",
-            member_event.state_key,
-            change
-        );
 
         self.add_change(room_id, member_event.event_id.clone(), change);
 
@@ -148,10 +132,7 @@ impl AmbiguityCache {
         old_map: Option<AmbiguityMap>,
         new_map: Option<AmbiguityMap>,
     ) {
-        let entry = self
+        let entry = self.cache.entry(room_id.clone()).or_insert_with(BTreeMap::new);
-            .cache
-            .entry(room_id.clone())
-            .or_insert_with(BTreeMap::new);
 
         if let Some(old) = old_map {
             entry.insert(old.display_name, old.users);
@@ -163,10 +144,7 @@ impl AmbiguityCache {
     }
 
     fn add_change(&mut self, room_id: &RoomId, event_id: EventId, change: AmbiguityChange) {
-        self.changes
+        self.changes.entry(room_id.clone()).or_insert_with(BTreeMap::new).insert(event_id, change);
-            .entry(room_id.clone())
-            .or_insert_with(BTreeMap::new)
-            .insert(event_id, change);
     }
 
     async fn get(
@@ -177,16 +155,12 @@ impl AmbiguityCache {
     ) -> Result<(Option<AmbiguityMap>, Option<AmbiguityMap>)> {
         use MembershipState::*;
 
-        let old_event = if let Some(m) = changes
+        let old_event = if let Some(m) =
-            .members
+            changes.members.get(room_id).and_then(|m| m.get(&member_event.state_key))
-            .get(room_id)
-            .and_then(|m| m.get(&member_event.state_key))
         {
             Some(m.clone())
         } else {
-            self.store
+            self.store.get_member_event(room_id, &member_event.state_key).await?
-                .get_member_event(room_id, &member_event.state_key)
-                .await?
         };
 
         let old_display_name = if let Some(event) = old_event {
@@ -218,23 +192,15 @@ impl AmbiguityCache {
         };
 
         let old_map = if let Some(old_name) = old_display_name.as_deref() {
-            let old_display_name_map = if let Some(u) = self
+            let old_display_name_map = if let Some(u) =
-                .cache
+                self.cache.entry(room_id.clone()).or_insert_with(BTreeMap::new).get(old_name)
-                .entry(room_id.clone())
-                .or_insert_with(BTreeMap::new)
-                .get(old_name)
             {
                 u.clone()
             } else {
-                self.store
+                self.store.get_users_with_display_name(&room_id, &old_name).await?
-                    .get_users_with_display_name(&room_id, &old_name)
-                    .await?
             };
 
-            Some(AmbiguityMap {
+            Some(AmbiguityMap { display_name: old_name.to_string(), users: old_display_name_map })
-                display_name: old_name.to_string(),
-                users: old_display_name_map,
-            })
         } else {
             None
         };
@@ -246,8 +212,9 @@ impl AmbiguityCache {
                 .as_deref()
                 .unwrap_or_else(|| member_event.state_key.localpart());
 
-            // We don't allow other users to set the display name, so if we have
+            // We don't allow other users to set the display name, so if we
-            // a more trusted version of the display name use that.
+            // have a more trusted version of the display
+            // name use that.
             let new_display_name = if member_event.sender.as_str() == member_event.state_key {
                 new
             } else if let Some(old) = old_display_name.as_deref() {
@@ -264,9 +231,7 @@ impl AmbiguityCache {
             {
                 u.clone()
             } else {
-                self.store
+                self.store.get_users_with_display_name(&room_id, &new_display_name).await?
-                    .get_users_with_display_name(&room_id, &new_display_name)
-                    .await?
             };
 
             Some(AmbiguityMap {

matrix_sdk_base/src/store/memory_store.rs

@@ -30,12 +30,10 @@ use matrix_sdk_common::{
     instant::Instant,
     Raw,
 };
-
 use tracing::info;
 
-use crate::deserialized_responses::{MemberEvent, StrippedMemberEvent};
-
 use super::{Result, RoomInfo, StateChanges, StateStore};
+use crate::deserialized_responses::{MemberEvent, StrippedMemberEvent};
 
 #[derive(Debug, Clone)]
 pub struct MemoryStore {
@@ -82,8 +80,7 @@ impl MemoryStore {
     }
 
     async fn save_filter(&self, filter_name: &str, filter_id: &str) -> Result<()> {
-        self.filters
+        self.filters.insert(filter_name.to_string(), filter_id.to_string());
-            .insert(filter_name.to_string(), filter_id.to_string());
 
         Ok(())
     }
@@ -164,8 +161,7 @@ impl MemoryStore {
         }
 
         for (event_type, event) in &changes.account_data {
-            self.account_data
+            self.account_data.insert(event_type.to_string(), event.clone());
-                .insert(event_type.to_string(), event.clone());
         }
 
         for (room, events) in &changes.room_account_data {
@@ -199,8 +195,7 @@ impl MemoryStore {
         }
 
         for (room_id, info) in &changes.invited_room_info {
-            self.stripped_room_info
+            self.stripped_room_info.insert(room_id.clone(), info.clone());
-                .insert(room_id.clone(), info.clone());
         }
 
         for (room, events) in &changes.stripped_members {
@@ -243,8 +238,7 @@ impl MemoryStore {
     ) -> Result<Option<Raw<AnySyncStateEvent>>> {
         #[allow(clippy::map_clone)]
         Ok(self.room_state.get(room_id).and_then(|e| {
-            e.get(event_type.as_ref())
+            e.get(event_type.as_ref()).and_then(|s| s.get(state_key).map(|e| e.clone()))
-                .and_then(|s| s.get(state_key).map(|e| e.clone()))
         }))
     }
 
@@ -254,10 +248,7 @@ impl MemoryStore {
         user_id: &UserId,
     ) -> Result<Option<MemberEventContent>> {
         #[allow(clippy::map_clone)]
-        Ok(self
+        Ok(self.profiles.get(room_id).and_then(|p| p.get(user_id).map(|p| p.clone())))
-            .profiles
-            .get(room_id)
-            .and_then(|p| p.get(user_id).map(|p| p.clone())))
     }
 
     async fn get_member_event(
@@ -266,10 +257,7 @@ impl MemoryStore {
         state_key: &UserId,
     ) -> Result<Option<MemberEvent>> {
         #[allow(clippy::map_clone)]
-        Ok(self
+        Ok(self.members.get(room_id).and_then(|m| m.get(state_key).map(|m| m.clone())))
-            .members
-            .get(room_id)
-            .and_then(|m| m.get(state_key).map(|m| m.clone())))
     }
 
     fn get_user_ids(&self, room_id: &RoomId) -> Vec<UserId> {
@@ -310,10 +298,7 @@ impl MemoryStore {
         &self,
         event_type: EventType,
     ) -> Result<Option<Raw<AnyGlobalAccountDataEvent>>> {
-        Ok(self
+        Ok(self.account_data.get(event_type.as_ref()).map(|e| e.clone()))
-            .account_data
-            .get(event_type.as_ref())
-            .map(|e| e.clone()))
     }
 
     async fn get_room_account_data_event(

matrix_sdk_base/src/store/mod.rs

@@ -12,15 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#[cfg(feature = "sled_state_store")]
+use std::path::Path;
 use std::{
     collections::{BTreeMap, BTreeSet},
     ops::Deref,
     sync::Arc,
 };
 
-#[cfg(feature = "sled_state_store")]
-use std::path::Path;
-
 use dashmap::DashMap;
 use matrix_sdk_common::{
     api::r0::push::get_notifications::Notification,
@@ -201,7 +200,8 @@ pub trait StateStore: AsyncTraitDeps {
     ///
     /// # Arguments
     ///
-    /// * `room_id` - The id of the room for which the room account data event should
+    /// * `room_id` - The id of the room for which the room account data event
+    ///   should
     /// be fetched.
     ///
     /// * `event_type` - The event type of the room account data event.
@@ -298,16 +298,12 @@ impl Store {
 
     /// Get all the rooms this store knows about.
     pub fn get_rooms(&self) -> Vec<Room> {
-        self.rooms
+        self.rooms.iter().filter_map(|r| self.get_room(r.key())).collect()
-            .iter()
-            .filter_map(|r| self.get_room(r.key()))
-            .collect()
     }
 
     /// Get the room with the given room id.
     pub fn get_room(&self, room_id: &RoomId) -> Option<Room> {
-        self.get_bare_room(room_id)
+        self.get_bare_room(room_id).and_then(|r| match r.room_type() {
-            .and_then(|r| match r.room_type() {
             RoomType::Joined => Some(r),
             RoomType::Left => Some(r),
             RoomType::Invited => self.get_stripped_room(room_id),
@@ -321,10 +317,7 @@ impl Store {
 
     pub(crate) async fn get_or_create_stripped_room(&self, room_id: &RoomId) -> Room {
         let session = self.session.read().await;
-        let user_id = &session
+        let user_id = &session.as_ref().expect("Creating room while not being logged in").user_id;
-            .as_ref()
-            .expect("Creating room while not being logged in")
-            .user_id;
 
         self.stripped_rooms
             .entry(room_id.clone())
@@ -334,10 +327,7 @@ impl Store {
 
     pub(crate) async fn get_or_create_room(&self, room_id: &RoomId, room_type: RoomType) -> Room {
         let session = self.session.read().await;
-        let user_id = &session
+        let user_id = &session.as_ref().expect("Creating room while not being logged in").user_id;
-            .as_ref()
-            .expect("Creating room while not being logged in")
-            .user_id;
 
         self.rooms
             .entry(room_id.clone())
@@ -359,7 +349,8 @@ impl Deref for Store {
 pub struct StateChanges {
     /// The sync token that relates to this update.
     pub sync_token: Option<String>,
-    /// A user session, containing an access token and information about the associated user account.
+    /// A user session, containing an access token and information about the
+    /// associated user account.
     pub session: Option<Session>,
     /// A mapping of event type string to `AnyBasicEvent`.
     pub account_data: BTreeMap<String, Raw<AnyGlobalAccountDataEvent>>,
@@ -371,14 +362,16 @@ pub struct StateChanges {
     /// A mapping of `RoomId` to a map of users and their `MemberEventContent`.
     pub profiles: BTreeMap<RoomId, BTreeMap<UserId, MemberEventContent>>,
 
-    /// A mapping of `RoomId` to a map of event type string to a state key and `AnySyncStateEvent`.
+    /// A mapping of `RoomId` to a map of event type string to a state key and
+    /// `AnySyncStateEvent`.
     pub state: BTreeMap<RoomId, BTreeMap<String, BTreeMap<String, Raw<AnySyncStateEvent>>>>,
     /// A mapping of `RoomId` to a map of event type string to `AnyBasicEvent`.
     pub room_account_data: BTreeMap<RoomId, BTreeMap<String, Raw<AnyRoomAccountDataEvent>>>,
     /// A map of `RoomId` to `RoomInfo`.
     pub room_infos: BTreeMap<RoomId, RoomInfo>,
 
-    /// A mapping of `RoomId` to a map of event type to a map of state key to `AnyStrippedStateEvent`.
+    /// A mapping of `RoomId` to a map of event type to a map of state key to
+    /// `AnyStrippedStateEvent`.
     pub stripped_state:
         BTreeMap<RoomId, BTreeMap<String, BTreeMap<String, Raw<AnyStrippedStateEvent>>>>,
     /// A mapping of `RoomId` to a map of users and their `StrippedMemberEvent`.
@@ -396,10 +389,7 @@ pub struct StateChanges {
 impl StateChanges {
     /// Create a new `StateChanges` struct with the given sync_token.
     pub fn new(sync_token: String) -> Self {
-        Self {
+        Self { sync_token: Some(sync_token), ..Default::default() }
-            sync_token: Some(sync_token),
-            ..Default::default()
-        }
     }
 
     /// Update the `StateChanges` struct with the given `PresenceEvent`.
@@ -409,14 +399,12 @@ impl StateChanges {
 
     /// Update the `StateChanges` struct with the given `RoomInfo`.
     pub fn add_room(&mut self, room: RoomInfo) {
-        self.room_infos
+        self.room_infos.insert(room.room_id.as_ref().to_owned(), room);
-            .insert(room.room_id.as_ref().to_owned(), room);
     }
 
     /// Update the `StateChanges` struct with the given `RoomInfo`.
     pub fn add_stripped_room(&mut self, room: RoomInfo) {
-        self.invited_room_info
+        self.invited_room_info.insert(room.room_id.as_ref().to_owned(), room);
-            .insert(room.room_id.as_ref().to_owned(), room);
     }
 
     /// Update the `StateChanges` struct with the given `AnyBasicEvent`.
@@ -425,11 +413,11 @@ impl StateChanges {
         event: AnyGlobalAccountDataEvent,
         raw_event: Raw<AnyGlobalAccountDataEvent>,
     ) {
-        self.account_data
+        self.account_data.insert(event.content().event_type().to_owned(), raw_event);
-            .insert(event.content().event_type().to_owned(), raw_event);
     }
 
-    /// Update the `StateChanges` struct with the given room with a new `AnyBasicEvent`.
+    /// Update the `StateChanges` struct with the given room with a new
+    /// `AnyBasicEvent`.
     pub fn add_room_account_data(
         &mut self,
         room_id: &RoomId,
@@ -442,7 +430,8 @@ impl StateChanges {
             .insert(event.content().event_type().to_owned(), raw_event);
     }
 
-    /// Update the `StateChanges` struct with the given room with a new `StrippedMemberEvent`.
+    /// Update the `StateChanges` struct with the given room with a new
+    /// `StrippedMemberEvent`.
     pub fn add_stripped_member(&mut self, room_id: &RoomId, event: StrippedMemberEvent) {
         let user_id = event.state_key.clone();
 
@@ -452,7 +441,8 @@ impl StateChanges {
             .insert(user_id, event);
     }
 
-    /// Update the `StateChanges` struct with the given room with a new `AnySyncStateEvent`.
+    /// Update the `StateChanges` struct with the given room with a new
+    /// `AnySyncStateEvent`.
     pub fn add_state_event(
         &mut self,
         room_id: &RoomId,
@@ -467,11 +457,9 @@ impl StateChanges {
             .insert(event.state_key().to_string(), raw_event);
     }
 
-    /// Update the `StateChanges` struct with the given room with a new `Notification`.
+    /// Update the `StateChanges` struct with the given room with a new
+    /// `Notification`.
     pub fn add_notification(&mut self, room_id: &RoomId, notification: Notification) {
-        self.notifications
+        self.notifications.entry(room_id.to_owned()).or_insert_with(Vec::new).push(notification);
-            .entry(room_id.to_owned())
-            .or_insert_with(Vec::new)
-            .push(notification);
     }
 }

matrix_sdk_base/src/store/sled_store/mod.rs

@@ -37,18 +37,15 @@ use matrix_sdk_common::{
     Raw,
 };
 use serde::{Deserialize, Serialize};
-
 use sled::{
     transaction::{ConflictableTransactionError, TransactionError},
     Config, Db, Transactional, Tree,
 };
 use tracing::info;
 
-use crate::deserialized_responses::MemberEvent;
-
 use self::store_key::{EncryptedEvent, StoreKey};
-
 use super::{Result, RoomInfo, StateChanges, StateStore, StoreError};
+use crate::deserialized_responses::MemberEvent;
 
 #[derive(Debug, Serialize, Deserialize)]
 pub enum DatabaseType {
@@ -111,13 +108,7 @@ impl EncodeKey for &str {
 
 impl EncodeKey for (&str, &str) {
     fn encode(&self) -> Vec<u8> {
-        [
+        [self.0.as_bytes(), &[Self::SEPARATOR], self.1.as_bytes(), &[Self::SEPARATOR]].concat()
-            self.0.as_bytes(),
-            &[Self::SEPARATOR],
-            self.1.as_bytes(),
-            &[Self::SEPARATOR],
-        ]
-        .concat()
     }
 }
 
@@ -167,9 +158,7 @@ impl std::fmt::Debug for SledStore {
         if let Some(path) = &self.path {
             f.debug_struct("SledStore").field("path", &path).finish()
         } else {
-            f.debug_struct("SledStore")
+            f.debug_struct("SledStore").field("path", &"memory store").finish()
-                .field("path", &"memory store")
-                .finish()
         }
     }
 }
@@ -239,8 +228,7 @@ impl SledStore {
         } else {
             let key = StoreKey::new().map_err::<StoreError, _>(|e| e.into())?;
             let encrypted_key = DatabaseType::Encrypted(
-                key.export(passphrase)
+                key.export(passphrase).map_err::<StoreError, _>(|e| e.into())?,
-                    .map_err::<StoreError, _>(|e| e.into())?,
             );
             db.insert("store_key".encode(), serde_json::to_vec(&encrypted_key)?)?;
             key
@@ -278,8 +266,7 @@ impl SledStore {
     }
 
     pub async fn save_filter(&self, filter_name: &str, filter_id: &str) -> Result<()> {
-        self.session
+        self.session.insert(("filter", filter_name).encode(), filter_id)?;
-            .insert(("filter", filter_name).encode(), filter_id)?;
 
         Ok(())
     }
@@ -479,11 +466,7 @@ impl SledStore {
     }
 
     pub async fn get_presence_event(&self, user_id: &UserId) -> Result<Option<Raw<PresenceEvent>>> {
-        Ok(self
+        Ok(self.presence.get(user_id.encode())?.map(|e| self.deserialize_event(&e)).transpose()?)
-            .presence
-            .get(user_id.encode())?
-            .map(|e| self.deserialize_event(&e))
-            .transpose()?)
     }
 
     pub async fn get_state_event(
@@ -534,14 +517,10 @@ impl SledStore {
         &self,
         room_id: &RoomId,
     ) -> impl Stream<Item = Result<UserId>> {
-        stream::iter(
+        stream::iter(self.invited_user_ids.scan_prefix(room_id.encode()).map(|u| {
-            self.invited_user_ids
-                .scan_prefix(room_id.encode())
-                .map(|u| {
             UserId::try_from(String::from_utf8_lossy(&u?.1).to_string())
                 .map_err(StoreError::Identifier)
-                }),
+        }))
-        )
     }
 
     pub async fn get_joined_user_ids(
@@ -557,9 +536,7 @@ impl SledStore {
     pub async fn get_room_infos(&self) -> impl Stream<Item = Result<RoomInfo>> {
         let db = self.clone();
         stream::iter(
-            self.room_info
+            self.room_info.iter().map(move |r| db.deserialize_event(&r?.1).map_err(|e| e.into())),
-                .iter()
-                .map(move |r| db.deserialize_event(&r?.1).map_err(|e| e.into())),
         )
     }
 
@@ -683,8 +660,7 @@ impl StateStore for SledStore {
         room_id: &RoomId,
         display_name: &str,
     ) -> Result<BTreeSet<UserId>> {
-        self.get_users_with_display_name(room_id, display_name)
+        self.get_users_with_display_name(room_id, display_name).await
-            .await
     }
 
     async fn get_account_data_event(
@@ -770,11 +746,7 @@ mod test {
         let room_id = room_id!("!test:localhost");
         let user_id = user_id();
 
-        assert!(store
+        assert!(store.get_member_event(&room_id, &user_id).await.unwrap().is_none());
-            .get_member_event(&room_id, &user_id)
-            .await
-            .unwrap()
-            .is_none());
         let mut changes = StateChanges::default();
         changes
             .members
@@ -783,11 +755,7 @@ mod test {
             .insert(user_id.clone(), membership_event());
 
         store.save_changes(&changes).await.unwrap();
-        assert!(store
+        assert!(store.get_member_event(&room_id, &user_id).await.unwrap().is_some());
-            .get_member_event(&room_id, &user_id)
-            .await
-            .unwrap()
-            .is_some());
     }
 
     #[async_test]

matrix_sdk_base/src/store/sled_store/store_key.rs

@@ -21,11 +21,10 @@ use chacha20poly1305::{
 use hmac::Hmac;
 use pbkdf2::pbkdf2;
 use rand::{thread_rng, Error as RngError, Fill};
+use serde::{Deserialize, Serialize};
 use sha2::Sha256;
 use zeroize::{Zeroize, Zeroizing};
 
-use serde::{Deserialize, Serialize};
-
 use crate::StoreError;
 
 const VERSION: u8 = 1;
@@ -76,9 +75,11 @@ pub struct EncryptedEvent {
 #[derive(Debug, Serialize, Deserialize, PartialEq)]
 pub enum KdfInfo {
     Pbkdf2ToChaCha20Poly1305 {
-        /// The number of PBKDF rounds that were used when deriving the store key.
+        /// The number of PBKDF rounds that were used when deriving the store
+        /// key.
         rounds: u32,
-        /// The salt that was used when the passphrase was expanded into a store key.
+        /// The salt that was used when the passphrase was expanded into a store
+        /// key.
         kdf_salt: Vec<u8>,
     },
 }
@@ -170,10 +171,7 @@ impl StoreKey {
             cipher.encrypt(Nonce::from_slice(nonce.as_ref()), self.inner.as_slice())?;
 
         Ok(EncryptedStoreKey {
-            kdf_info: KdfInfo::Pbkdf2ToChaCha20Poly1305 {
+            kdf_info: KdfInfo::Pbkdf2ToChaCha20Poly1305 { rounds: KDF_ROUNDS, kdf_salt: salt },
-                rounds: KDF_ROUNDS,
-                kdf_salt: salt,
-            },
             ciphertext_info: CipherTextInfo::ChaCha20Poly1305 { nonce, ciphertext },
         })
     }
@@ -196,11 +194,7 @@ impl StoreKey {
 
         let ciphertext = cipher.encrypt(xnonce, event.as_ref())?;
 
-        Ok(EncryptedEvent {
+        Ok(EncryptedEvent { version: VERSION, ciphertext, nonce })
-            version: VERSION,
-            ciphertext,
-            nonce,
-        })
     }
 
     pub fn decrypt<T: for<'b> Deserialize<'b>>(&self, event: EncryptedEvent) -> Result<T, Error> {
@@ -248,9 +242,10 @@ impl StoreKey {
 
 #[cfg(test)]
 mod test {
-    use super::StoreKey;
     use serde_json::{json, Value};
 
+    use super::StoreKey;
+
     #[test]
     fn generating() {
         StoreKey::new().unwrap();

matrix_sdk_common/src/deserialized_responses.rs

@@ -1,3 +1,5 @@
+use std::{collections::BTreeMap, convert::TryFrom, time::SystemTime};
+
 use ruma::{
     api::client::r0::sync::sync_events::{
         Ephemeral, InvitedRoom, Presence, RoomAccountData, State, ToDevice,
@@ -6,7 +8,6 @@ use ruma::{
     DeviceIdBox,
 };
 use serde::{Deserialize, Serialize};
-use std::{collections::BTreeMap, convert::TryFrom, time::SystemTime};
 
 use super::{
     api::r0::{
@@ -103,16 +104,14 @@ pub struct SyncRoomEvent {
 
 impl From<Raw<AnySyncRoomEvent>> for SyncRoomEvent {
     fn from(inner: Raw<AnySyncRoomEvent>) -> Self {
-        Self {
+        Self { encryption_info: None, event: inner }
-            encryption_info: None,
-            event: inner,
-        }
     }
 }
 
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
 pub struct SyncResponse {
-    /// The batch token to supply in the `since` param of the next `/sync` request.
+    /// The batch token to supply in the `since` param of the next `/sync`
+    /// request.
     pub next_batch: String,
     /// Updates to rooms.
     pub rooms: Rooms,
@@ -137,10 +136,7 @@ pub struct SyncResponse {
 
 impl SyncResponse {
     pub fn new(next_batch: String) -> Self {
-        Self {
+        Self { next_batch, ..Default::default() }
-            next_batch,
-            ..Default::default()
-        }
     }
 }
 
@@ -161,14 +157,15 @@ pub struct JoinedRoom {
     pub unread_notifications: UnreadNotificationsCount,
     /// The timeline of messages and state changes in the room.
     pub timeline: Timeline,
-    /// Updates to the state, between the time indicated by the `since` parameter, and the start
+    /// Updates to the state, between the time indicated by the `since`
-    /// of the `timeline` (or all state up to the start of the `timeline`, if `since` is not
+    /// parameter, and the start of the `timeline` (or all state up to the
-    /// given, or `full_state` is true).
+    /// start of the `timeline`, if `since` is not given, or `full_state` is
+    /// true).
     pub state: State,
     /// The private data that this user has attached to this room.
     pub account_data: RoomAccountData,
-    /// The ephemeral events in the room that aren't recorded in the timeline or state of the
+    /// The ephemeral events in the room that aren't recorded in the timeline or
-    /// room. e.g. typing.
+    /// state of the room. e.g. typing.
     pub ephemeral: Ephemeral,
 }
 
@@ -180,20 +177,15 @@ impl JoinedRoom {
         ephemeral: Ephemeral,
         unread_notifications: UnreadNotificationsCount,
     ) -> Self {
-        Self {
+        Self { unread_notifications, timeline, state, account_data, ephemeral }
-            unread_notifications,
-            timeline,
-            state,
-            account_data,
-            ephemeral,
-        }
     }
 }
 
 /// Counts of unread notifications for a room.
 #[derive(Copy, Clone, Debug, Default, Deserialize, Serialize)]
 pub struct UnreadNotificationsCount {
-    /// The number of unread notifications for this room with the highlight flag set.
+    /// The number of unread notifications for this room with the highlight flag
+    /// set.
     pub highlight_count: u64,
     /// The total number of unread notifications for this room.
     pub notification_count: u64,
@@ -203,10 +195,7 @@ impl From<RumaUnreadNotificationsCount> for UnreadNotificationsCount {
     fn from(notifications: RumaUnreadNotificationsCount) -> Self {
         Self {
             highlight_count: notifications.highlight_count.map(|c| c.into()).unwrap_or(0),
-            notification_count: notifications
+            notification_count: notifications.notification_count.map(|c| c.into()).unwrap_or(0),
-                .notification_count
-                .map(|c| c.into())
-                .unwrap_or(0),
         }
     }
 }
@@ -216,9 +205,10 @@ pub struct LeftRoom {
     /// The timeline of messages and state changes in the room up to the point
     /// when the user left.
     pub timeline: Timeline,
-    /// Updates to the state, between the time indicated by the `since` parameter, and the start
+    /// Updates to the state, between the time indicated by the `since`
-    /// of the `timeline` (or all state up to the start of the `timeline`, if `since` is not
+    /// parameter, and the start of the `timeline` (or all state up to the
-    /// given, or `full_state` is true).
+    /// start of the `timeline`, if `since` is not given, or `full_state` is
+    /// true).
     pub state: State,
     /// The private data that this user has attached to this room.
     pub account_data: RoomAccountData,
@@ -226,18 +216,15 @@ pub struct LeftRoom {
 
 impl LeftRoom {
     pub fn new(timeline: Timeline, state: State, account_data: RoomAccountData) -> Self {
-        Self {
+        Self { timeline, state, account_data }
-            timeline,
-            state,
-            account_data,
-        }
     }
 }
 
 /// Events in the room.
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
 pub struct Timeline {
-    /// True if the number of events returned was limited by the `limit` on the filter.
+    /// True if the number of events returned was limited by the `limit` on the
+    /// filter.
     pub limited: bool,
 
     /// A token that can be supplied to to the `from` parameter of the
@@ -250,11 +237,7 @@ pub struct Timeline {
 
 impl Timeline {
     pub fn new(limited: bool, prev_batch: Option<String>) -> Self {
-        Self {
+        Self { limited, prev_batch, ..Default::default() }
-            limited,
-            prev_batch,
-            ..Default::default()
-        }
     }
 }
 

matrix_sdk_common/src/executor.rs

@@ -6,14 +6,12 @@ use std::{
     task::{Context, Poll},
 };
 
-#[cfg(not(target_arch = "wasm32"))]
-pub use tokio::spawn;
-
-#[cfg(target_arch = "wasm32")]
-use wasm_bindgen_futures::spawn_local;
-
 #[cfg(target_arch = "wasm32")]
 use futures::{future::RemoteHandle, Future, FutureExt};
+#[cfg(not(target_arch = "wasm32"))]
+pub use tokio::spawn;
+#[cfg(target_arch = "wasm32")]
+use wasm_bindgen_futures::spawn_local;
 
 #[cfg(target_arch = "wasm32")]
 pub fn spawn<F, T>(future: F) -> JoinHandle<T>

matrix_sdk_common/src/lib.rs

@@ -17,7 +17,6 @@ pub use ruma::{
     serde::{CanonicalJsonValue, Raw},
     thirdparty, uint, Int, Outgoing, UInt,
 };
-
 pub use uuid;
 
 pub mod deserialized_responses;

matrix_sdk_common/src/locks.rs

@@ -4,6 +4,5 @@
 
 #[cfg(target_arch = "wasm32")]
 pub use futures_locks::{Mutex, MutexGuard, RwLock, RwLockReadGuard, RwLockWriteGuard};
-
 #[cfg(not(target_arch = "wasm32"))]
 pub use tokio::sync::{Mutex, MutexGuard, RwLock, RwLockReadGuard, RwLockWriteGuard};

matrix_sdk_crypto/benches/crypto_bench.rs

@@ -4,7 +4,6 @@ mod perf;
 use std::sync::Arc;
 
 use criterion::*;
-
 use matrix_sdk_common::{
     api::r0::{
         keys::{claim_keys, get_keys},
@@ -50,17 +49,12 @@ fn huge_keys_query_resopnse() -> get_keys::Response {
 }
 
 pub fn keys_query(c: &mut Criterion) {
-    let runtime = Builder::new_multi_thread()
+    let runtime = Builder::new_multi_thread().build().expect("Can't create runtime");
-        .build()
-        .expect("Can't create runtime");
     let machine = OlmMachine::new(&alice_id(), &alice_device_id());
     let response = keys_query_response();
     let uuid = Uuid::new_v4();
 
-    let count = response
+    let count = response.device_keys.values().fold(0, |acc, d| acc + d.len())
-        .device_keys
-        .values()
-        .fold(0, |acc, d| acc + d.len())
         + response.master_keys.len()
         + response.self_signing_keys.len()
         + response.user_signing_keys.len();
@@ -70,14 +64,10 @@ pub fn keys_query(c: &mut Criterion) {
 
     let name = format!("{} device and cross signing keys", count);
 
-    group.bench_with_input(
+    group.bench_with_input(BenchmarkId::new("memory store", &name), &response, |b, response| {
-        BenchmarkId::new("memory store", &name),
-        &response,
-        |b, response| {
         b.to_async(&runtime)
             .iter(|| async { machine.mark_request_as_sent(&uuid, response).await.unwrap() })
-        },
+    });
-    );
 
     let dir = tempfile::tempdir().unwrap();
     let machine = runtime
@@ -89,44 +79,30 @@ pub fn keys_query(c: &mut Criterion) {
         ))
         .unwrap();
 
-    group.bench_with_input(
+    group.bench_with_input(BenchmarkId::new("sled store", &name), &response, |b, response| {
-        BenchmarkId::new("sled store", &name),
-        &response,
-        |b, response| {
         b.to_async(&runtime)
             .iter(|| async { machine.mark_request_as_sent(&uuid, response).await.unwrap() })
-        },
+    });
-    );
 
     group.finish()
 }
 
 pub fn keys_claiming(c: &mut Criterion) {
-    let runtime = Arc::new(
+    let runtime = Arc::new(Builder::new_multi_thread().build().expect("Can't create runtime"));
-        Builder::new_multi_thread()
-            .build()
-            .expect("Can't create runtime"),
-    );
 
     let keys_query_response = keys_query_response();
     let uuid = Uuid::new_v4();
 
     let response = keys_claim_response();
 
-    let count = response
+    let count = response.one_time_keys.values().fold(0, |acc, d| acc + d.len());
-        .one_time_keys
-        .values()
-        .fold(0, |acc, d| acc + d.len());
 
     let mut group = c.benchmark_group("Olm session creation");
     group.throughput(Throughput::Elements(count as u64));
 
     let name = format!("{} one-time keys", count);
 
-    group.bench_with_input(
+    group.bench_with_input(BenchmarkId::new("memory store", &name), &response, |b, response| {
-        BenchmarkId::new("memory store", &name),
-        &response,
-        |b, response| {
         b.iter_batched(
             || {
                 let machine = OlmMachine::new(&alice_id(), &alice_device_id());
@@ -136,19 +112,13 @@ pub fn keys_claiming(c: &mut Criterion) {
                 (machine, runtime.clone())
             },
             move |(machine, runtime)| {
-                    runtime
+                runtime.block_on(machine.mark_request_as_sent(&uuid, response)).unwrap()
-                        .block_on(machine.mark_request_as_sent(&uuid, response))
-                        .unwrap()
             },
             BatchSize::SmallInput,
         )
-        },
+    });
-    );
 
-    group.bench_with_input(
+    group.bench_with_input(BenchmarkId::new("sled store", &name), &response, |b, response| {
-        BenchmarkId::new("sled store", &name),
-        &response,
-        |b, response| {
         b.iter_batched(
             || {
                 let dir = tempfile::tempdir().unwrap();
@@ -166,22 +136,17 @@ pub fn keys_claiming(c: &mut Criterion) {
                 (machine, runtime.clone())
             },
             move |(machine, runtime)| {
-                    runtime
+                runtime.block_on(machine.mark_request_as_sent(&uuid, response)).unwrap()
-                        .block_on(machine.mark_request_as_sent(&uuid, response))
-                        .unwrap()
             },
             BatchSize::SmallInput,
         )
-        },
+    });
-    );
 
     group.finish()
 }
 
 pub fn room_key_sharing(c: &mut Criterion) {
-    let runtime = Builder::new_multi_thread()
+    let runtime = Builder::new_multi_thread().build().expect("Can't create runtime");
-        .build()
-        .expect("Can't create runtime");
 
     let keys_query_response = keys_query_response();
     let uuid = Uuid::new_v4();
@@ -191,18 +156,11 @@ pub fn room_key_sharing(c: &mut Criterion) {
     let to_device_response = ToDeviceResponse::new();
     let users: Vec<UserId> = keys_query_response.device_keys.keys().cloned().collect();
 
-    let count = response
+    let count = response.one_time_keys.values().fold(0, |acc, d| acc + d.len());
-        .one_time_keys
-        .values()
-        .fold(0, |acc, d| acc + d.len());
 
     let machine = OlmMachine::new(&alice_id(), &alice_device_id());
-    runtime
+    runtime.block_on(machine.mark_request_as_sent(&uuid, &keys_query_response)).unwrap();
-        .block_on(machine.mark_request_as_sent(&uuid, &keys_query_response))
+    runtime.block_on(machine.mark_request_as_sent(&uuid, &response)).unwrap();
-        .unwrap();
-    runtime
-        .block_on(machine.mark_request_as_sent(&uuid, &response))
-        .unwrap();
 
     let mut group = c.benchmark_group("Room key sharing");
     group.throughput(Throughput::Elements(count as u64));
@@ -218,10 +176,7 @@ pub fn room_key_sharing(c: &mut Criterion) {
             assert!(!requests.is_empty());
 
             for request in requests {
-                machine
+                machine.mark_request_as_sent(&request.txn_id, &to_device_response).await.unwrap();
-                    .mark_request_as_sent(&request.txn_id, &to_device_response)
-                    .await
-                    .unwrap();
             }
 
             machine.invalidate_group_session(&room_id).await.unwrap();
@@ -237,12 +192,8 @@ pub fn room_key_sharing(c: &mut Criterion) {
             None,
         ))
         .unwrap();
-    runtime
+    runtime.block_on(machine.mark_request_as_sent(&uuid, &keys_query_response)).unwrap();
-        .block_on(machine.mark_request_as_sent(&uuid, &keys_query_response))
+    runtime.block_on(machine.mark_request_as_sent(&uuid, &response)).unwrap();
-        .unwrap();
-    runtime
-        .block_on(machine.mark_request_as_sent(&uuid, &response))
-        .unwrap();
 
     group.bench_function(BenchmarkId::new("sled store", &name), |b| {
         b.to_async(&runtime).iter(|| async {
@@ -254,10 +205,7 @@ pub fn room_key_sharing(c: &mut Criterion) {
             assert!(!requests.is_empty());
 
             for request in requests {
-                machine
+                machine.mark_request_as_sent(&request.txn_id, &to_device_response).await.unwrap();
-                    .mark_request_as_sent(&request.txn_id, &to_device_response)
-                    .await
-                    .unwrap();
             }
 
             machine.invalidate_group_session(&room_id).await.unwrap();
@@ -268,28 +216,21 @@ pub fn room_key_sharing(c: &mut Criterion) {
 }
 
 pub fn devices_missing_sessions_collecting(c: &mut Criterion) {
-    let runtime = Builder::new_multi_thread()
+    let runtime = Builder::new_multi_thread().build().expect("Can't create runtime");
-        .build()
-        .expect("Can't create runtime");
 
     let machine = OlmMachine::new(&alice_id(), &alice_device_id());
     let response = huge_keys_query_resopnse();
     let uuid = Uuid::new_v4();
     let users: Vec<UserId> = response.device_keys.keys().cloned().collect();
 
-    let count = response
+    let count = response.device_keys.values().fold(0, |acc, d| acc + d.len());
-        .device_keys
-        .values()
-        .fold(0, |acc, d| acc + d.len());
 
     let mut group = c.benchmark_group("Devices missing sessions collecting");
     group.throughput(Throughput::Elements(count as u64));
 
     let name = format!("{} devices", count);
 
-    runtime
+    runtime.block_on(machine.mark_request_as_sent(&uuid, &response)).unwrap();
-        .block_on(machine.mark_request_as_sent(&uuid, &response))
-        .unwrap();
 
     group.bench_function(BenchmarkId::new("memory store", &name), |b| {
         b.to_async(&runtime).iter_with_large_drop(|| async {
@@ -307,9 +248,7 @@ pub fn devices_missing_sessions_collecting(c: &mut Criterion) {
         ))
         .unwrap();
 
-    runtime
+    runtime.block_on(machine.mark_request_as_sent(&uuid, &response)).unwrap();
-        .block_on(machine.mark_request_as_sent(&uuid, &response))
-        .unwrap();
 
     group.bench_function(BenchmarkId::new("sled store", &name), |b| {
         b.to_async(&runtime)

matrix_sdk_crypto/benches/perf.rs

@@ -6,8 +6,9 @@ use std::{fs::File, os::raw::c_int, path::Path};
 use criterion::profiler::Profiler;
 use pprof::ProfilerGuard;
 
-/// Small custom profiler that can be used with Criterion to create a flamegraph for benchmarks.
+/// Small custom profiler that can be used with Criterion to create a flamegraph
-/// Also see [the Criterion documentation on this][custom-profiler].
+/// for benchmarks. Also see [the Criterion documentation on
+/// this][custom-profiler].
 ///
 /// ## Example on how to enable the custom profiler:
 ///
@@ -30,12 +31,12 @@ use pprof::ProfilerGuard;
 /// }
 /// ```
 ///
-/// The neat thing about this is that it will sample _only_ the benchmark, and not other stuff like
+/// The neat thing about this is that it will sample _only_ the benchmark, and
-/// the setup process.
+/// not other stuff like the setup process.
 ///
-/// Further, it will only kick in if `--profile-time <time>` is passed to the benchmark binary.
+/// Further, it will only kick in if `--profile-time <time>` is passed to the
-/// A flamegraph will be created for each individual benchmark in its report directory under
+/// benchmark binary. A flamegraph will be created for each individual benchmark
-/// `profile/flamegraph.svg`.
+/// in its report directory under `profile/flamegraph.svg`.
 ///
 /// [custom-profiler]: https://bheisler.github.io/criterion.rs/book/user_guide/profiling.html#implementing-in-process-profiling-hooks
 pub struct FlamegraphProfiler<'a> {
@@ -45,10 +46,7 @@ pub struct FlamegraphProfiler<'a> {
 
 impl<'a> FlamegraphProfiler<'a> {
     pub fn new(frequency: c_int) -> Self {
-        FlamegraphProfiler {
+        FlamegraphProfiler { frequency, active_profiler: None }
-            frequency,
-            active_profiler: None,
-        }
     }
 }
 

matrix_sdk_crypto/src/file_encryption/attachments.rs

@@ -17,21 +17,17 @@ use std::{
     io::{Error as IoError, ErrorKind, Read},
 };
 
-use thiserror::Error;
-use zeroize::Zeroizing;
-
-use serde::{Deserialize, Serialize};
-
-use matrix_sdk_common::events::room::JsonWebKey;
-
-use getrandom::getrandom;
-
 use aes_ctr::{
     cipher::{NewStreamCipher, SyncStreamCipher},
     Aes256Ctr,
 };
 use base64::DecodeError;
+use getrandom::getrandom;
+use matrix_sdk_common::events::room::JsonWebKey;
+use serde::{Deserialize, Serialize};
 use sha2::{Digest, Sha256};
+use thiserror::Error;
+use zeroize::Zeroizing;
 
 use crate::utilities::{decode, decode_url_safe, encode, encode_url_safe};
 
@@ -59,10 +55,7 @@ impl<'a, R: Read> Read for AttachmentDecryptor<'a, R> {
             if hash.as_slice() == self.expected_hash.as_slice() {
                 Ok(0)
             } else {
-                Err(IoError::new(
+                Err(IoError::new(ErrorKind::Other, "Hash missmatch while decrypting"))
-                    ErrorKind::Other,
-                    "Hash missmatch while decrypting",
-                ))
             }
         } else {
             self.sha.update(&buf[0..read_bytes]);
@@ -130,23 +123,14 @@ impl<'a, R: Read + 'a> AttachmentDecryptor<'a, R> {
             return Err(DecryptorError::UnknownVersion);
         }
 
-        let hash = decode(
+        let hash = decode(info.hashes.get("sha256").ok_or(DecryptorError::MissingHash)?)?;
-            info.hashes
-                .get("sha256")
-                .ok_or(DecryptorError::MissingHash)?,
-        )?;
         let key = Zeroizing::from(decode_url_safe(info.web_key.k)?);
         let iv = decode(info.iv)?;
 
         let sha = Sha256::default();
         let aes = Aes256Ctr::new_var(&key, &iv).map_err(|_| DecryptorError::KeyNonceLength)?;
 
-        Ok(AttachmentDecryptor {
+        Ok(AttachmentDecryptor { inner_reader: input, expected_hash: hash, sha, aes })
-            inner_reader: input,
-            expected_hash: hash,
-            sha,
-            aes,
-        })
     }
 }
 
@@ -168,9 +152,7 @@ impl<'a, R: Read + 'a> Read for AttachmentEncryptor<'a, R> {
 
         if read_bytes == 0 {
             let hash = self.sha.finalize_reset();
-            self.hashes
+            self.hashes.entry("sha256".to_owned()).or_insert_with(|| encode(hash));
-                .entry("sha256".to_owned())
-                .or_insert_with(|| encode(hash));
             Ok(0)
         } else {
             self.aes.apply_keystream(&mut buf[0..read_bytes]);
@@ -244,9 +226,7 @@ impl<'a, R: Read + 'a> AttachmentEncryptor<'a, R> {
     /// Consume the encryptor and get the encryption key.
     pub fn finish(mut self) -> EncryptionInfo {
         let hash = self.sha.finalize();
-        self.hashes
+        self.hashes.entry("sha256".to_owned()).or_insert_with(|| encode(hash));
-            .entry("sha256".to_owned())
-            .or_insert_with(|| encode(hash));
 
         EncryptionInfo {
             version: VERSION.to_string(),
@@ -274,10 +254,12 @@ pub struct EncryptionInfo {
 
 #[cfg(test)]
 mod test {
-    use super::{AttachmentDecryptor, AttachmentEncryptor, EncryptionInfo};
-    use serde_json::json;
     use std::io::{Cursor, Read};
 
+    use serde_json::json;
+
+    use super::{AttachmentDecryptor, AttachmentEncryptor, EncryptionInfo};
+
     const EXAMPLE_DATA: &[u8] = &[
         179, 154, 118, 127, 186, 127, 110, 33, 203, 33, 33, 134, 67, 100, 173, 46, 235, 27, 215,
         172, 36, 26, 75, 47, 33, 160,

matrix_sdk_crypto/src/file_encryption/key_export.rs

@@ -12,20 +12,19 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use serde_json::Error as SerdeError;
 use std::io::{Cursor, Read, Seek, SeekFrom};
-use thiserror::Error;
-
-use byteorder::{BigEndian, ReadBytesExt};
-use getrandom::getrandom;
 
 use aes_ctr::{
     cipher::{NewStreamCipher, SyncStreamCipher},
     Aes256Ctr,
 };
+use byteorder::{BigEndian, ReadBytesExt};
+use getrandom::getrandom;
 use hmac::{Hmac, Mac, NewMac};
 use pbkdf2::pbkdf2;
+use serde_json::Error as SerdeError;
 use sha2::{Sha256, Sha512};
+use thiserror::Error;
 
 use crate::{
     olm::ExportedRoomKey,
@@ -99,14 +98,10 @@ pub fn decrypt_key_export(
         return Err(KeyExportError::InvalidHeaders);
     }
 
-    let payload: String = x
+    let payload: String =
-        .lines()
+        x.lines().filter(|l| !(l.starts_with(HEADER) || l.starts_with(FOOTER))).collect();
-        .filter(|l| !(l.starts_with(HEADER) || l.starts_with(FOOTER)))
-        .collect();
 
-    Ok(serde_json::from_str(&decrypt_helper(
+    Ok(serde_json::from_str(&decrypt_helper(&payload, passphrase)?)?)
-        &payload, passphrase,
-    )?)?)
 }
 
 /// Encrypt the list of exported room keys using the given passphrase.
@@ -231,12 +226,12 @@ fn decrypt_helper(ciphertext: &str, passphrase: &str) -> Result<String, KeyExpor
 
 #[cfg(test)]
 mod test {
-    use indoc::indoc;
-    use proptest::prelude::*;
     use std::io::Cursor;
 
+    use indoc::indoc;
     use matrix_sdk_common::identifiers::room_id;
     use matrix_sdk_test::async_test;
+    use proptest::prelude::*;
 
     use super::{decode, decrypt_helper, decrypt_key_export, encrypt_helper, encrypt_key_export};
     use crate::machine::test::get_prepared_machine;
@@ -261,10 +256,7 @@ mod test {
     "};
 
     fn export_wihtout_headers() -> String {
-        TEST_EXPORT
+        TEST_EXPORT.lines().filter(|l| !l.starts_with("-----")).collect()
-            .lines()
-            .filter(|l| !l.starts_with("-----"))
-            .collect()
     }
 
     #[test]
@@ -301,14 +293,8 @@ mod test {
         let (machine, _) = get_prepared_machine().await;
         let room_id = room_id!("!test:localhost");
 
-        machine
+        machine.create_outbound_group_session_with_defaults(&room_id).await.unwrap();
-            .create_outbound_group_session_with_defaults(&room_id)
+        let export = machine.export_keys(|s| s.room_id() == &room_id).await.unwrap();
-            .await
-            .unwrap();
-        let export = machine
-            .export_keys(|s| s.room_id() == &room_id)
-            .await
-            .unwrap();
 
         assert!(!export.is_empty());
 
@@ -316,10 +302,7 @@ mod test {
         let decrypted = decrypt_key_export(Cursor::new(encrypted), "1234").unwrap();
 
         assert_eq!(export, decrypted);
-        assert_eq!(
+        assert_eq!(machine.import_keys(decrypted, |_, _| {}).await.unwrap(), (0, 1));
-            machine.import_keys(decrypted, |_, _| {}).await.unwrap(),
-            (0, 1)
-        );
     }
 
     #[test]

matrix_sdk_crypto/src/identities/device.rs

@@ -39,24 +39,17 @@ use serde::{Deserialize, Deserializer, Serialize, Serializer};
 use serde_json::{json, Value};
 use tracing::warn;
 
-use crate::{
+use super::{atomic_bool_deserializer, atomic_bool_serializer};
-    olm::{InboundGroupSession, PrivateCrossSigningIdentity, Session},
-    store::{Changes, DeviceChanges},
-    OutgoingVerificationRequest,
-};
-#[cfg(test)]
-use crate::{OlmMachine, ReadOnlyAccount};
-
 use crate::{
     error::{EventError, OlmError, OlmResult, SignatureError},
     identities::{OwnUserIdentity, UserIdentities},
-    olm::Utility,
+    olm::{InboundGroupSession, PrivateCrossSigningIdentity, Session, Utility},
-    store::{CryptoStore, Result as StoreResult},
+    store::{Changes, CryptoStore, DeviceChanges, Result as StoreResult},
     verification::VerificationMachine,
-    Sas, ToDeviceRequest,
+    OutgoingVerificationRequest, Sas, ToDeviceRequest,
 };
-
+#[cfg(test)]
-use super::{atomic_bool_deserializer, atomic_bool_serializer};
+use crate::{OlmMachine, ReadOnlyAccount};
 
 /// A read-only version of a `Device`.
 #[derive(Clone, Serialize, Deserialize)]
@@ -120,9 +113,7 @@ pub struct Device {
 
 impl std::fmt::Debug for Device {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("Device")
+        f.debug_struct("Device").field("device", &self.inner).finish()
-            .field("device", &self.inner)
-            .finish()
     }
 }
 
@@ -139,10 +130,7 @@ impl Device {
     ///
     /// Returns a `Sas` object and to-device request that needs to be sent out.
     pub async fn start_verification(&self) -> StoreResult<(Sas, ToDeviceRequest)> {
-        let (sas, request) = self
+        let (sas, request) = self.verification_machine.start_sas(self.inner.clone()).await?;
-            .verification_machine
-            .start_sas(self.inner.clone())
-            .await?;
 
         if let OutgoingVerificationRequest::ToDevice(r) = request {
             Ok((sas, r))
@@ -162,8 +150,7 @@ impl Device {
 
     /// Get the trust state of the device.
     pub fn trust_state(&self) -> bool {
-        self.inner
+        self.inner.trust_state(&self.own_identity, &self.device_owner_identity)
-            .trust_state(&self.own_identity, &self.device_owner_identity)
     }
 
     /// Set the local trust state of the device to the given state.
@@ -178,10 +165,7 @@ impl Device {
         self.inner.set_trust_state(trust_state);
 
         let changes = Changes {
-            devices: DeviceChanges {
+            devices: DeviceChanges { changed: vec![self.inner.clone()], ..Default::default() },
-                changed: vec![self.inner.clone()],
-                ..Default::default()
-            },
             ..Default::default()
         };
 
@@ -200,9 +184,7 @@ impl Device {
         event_type: EventType,
         content: Value,
     ) -> OlmResult<(Session, EncryptedEventContent)> {
-        self.inner
+        self.inner.encrypt(&**self.verification_machine.store, event_type, content).await
-            .encrypt(&**self.verification_machine.store, event_type, content)
-            .await
     }
 
     /// Encrypt the given inbound group session as a forwarded room key for this
@@ -261,9 +243,7 @@ impl UserDevices {
     /// Returns true if there is at least one devices of this user that is
     /// considered to be verified, false otherwise.
     pub fn is_any_verified(&self) -> bool {
-        self.inner
+        self.inner.values().any(|d| d.trust_state(&self.own_identity, &self.device_owner_identity))
-            .values()
-            .any(|d| d.trust_state(&self.own_identity, &self.device_owner_identity))
     }
 
     /// Iterator over all the device ids of the user devices.
@@ -348,8 +328,7 @@ impl ReadOnlyDevice {
 
     /// Get the key of the given key algorithm belonging to this device.
     pub fn get_key(&self, algorithm: DeviceKeyAlgorithm) -> Option<&String> {
-        self.keys
+        self.keys.get(&DeviceKeyId::from_parts(algorithm, &self.device_id))
-            .get(&DeviceKeyId::from_parts(algorithm, &self.device_id))
     }
 
     /// Get a map containing all the device keys.
@@ -496,9 +475,8 @@ impl ReadOnlyDevice {
     }
 
     fn is_signed_by_device(&self, json: &mut Value) -> Result<(), SignatureError> {
-        let signing_key = self
+        let signing_key =
-            .get_key(DeviceKeyAlgorithm::Ed25519)
+            self.get_key(DeviceKeyAlgorithm::Ed25519).ok_or(SignatureError::MissingSigningKey)?;
-            .ok_or(SignatureError::MissingSigningKey)?;
 
         let utility = Utility::new();
 
@@ -590,14 +568,15 @@ impl PartialEq for ReadOnlyDevice {
 
 #[cfg(test)]
 pub(crate) mod test {
-    use serde_json::json;
     use std::convert::TryFrom;
 
-    use crate::identities::{LocalTrust, ReadOnlyDevice};
     use matrix_sdk_common::{
         encryption::DeviceKeys,
         identifiers::{user_id, DeviceKeyAlgorithm},
     };
+    use serde_json::json;
+
+    use crate::identities::{LocalTrust, ReadOnlyDevice};
 
     fn device_keys() -> DeviceKeys {
         let device_keys = json!({
@@ -640,10 +619,7 @@ pub(crate) mod test {
         assert_eq!(device_id, device.device_id());
         assert_eq!(device.algorithms.len(), 2);
         assert_eq!(LocalTrust::Unset, device.local_trust_state());
-        assert_eq!(
+        assert_eq!("Alice's mobile phone", device.display_name().as_ref().unwrap());
-            "Alice's mobile phone",
-            device.display_name().as_ref().unwrap()
-        );
         assert_eq!(
             device.get_key(DeviceKeyAlgorithm::Curve25519).unwrap(),
             "xfgbLIC5WAl1OIkpOzoxpCe8FsRDT6nch7NQsOb15nc"
@@ -658,10 +634,7 @@ pub(crate) mod test {
     fn update_a_device() {
         let mut device = get_device();
 
-        assert_eq!(
+        assert_eq!("Alice's mobile phone", device.display_name().as_ref().unwrap());
-            "Alice's mobile phone",
-            device.display_name().as_ref().unwrap()
-        );
 
         let display_name = "Alice's work computer".to_owned();
 

matrix_sdk_crypto/src/identities/manager.rs

@@ -12,20 +12,20 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use futures::future::join_all;
 use std::{
     collections::{BTreeMap, HashSet},
     convert::TryFrom,
     sync::Arc,
 };
-use tracing::{trace, warn};
 
+use futures::future::join_all;
 use matrix_sdk_common::{
     api::r0::keys::get_keys::Response as KeysQueryResponse,
     encryption::DeviceKeys,
     executor::spawn,
     identifiers::{DeviceIdBox, UserId},
 };
+use tracing::{trace, warn};
 
 use crate::{
     error::OlmResult,
@@ -54,11 +54,7 @@ impl IdentityManager {
     const MAX_KEY_QUERY_USERS: usize = 250;
 
     pub fn new(user_id: Arc<UserId>, device_id: Arc<DeviceIdBox>, store: Store) -> Self {
-        IdentityManager {
+        IdentityManager { user_id, device_id, store }
-            user_id,
-            device_id,
-            store,
-        }
     }
 
     fn user_id(&self) -> &UserId {
@@ -78,9 +74,8 @@ impl IdentityManager {
         &self,
         response: &KeysQueryResponse,
     ) -> OlmResult<(DeviceChanges, IdentityChanges)> {
-        let changed_devices = self
+        let changed_devices =
-            .handle_devices_from_key_query(response.device_keys.clone())
+            self.handle_devices_from_key_query(response.device_keys.clone()).await?;
-            .await?;
         let changed_identities = self.handle_cross_singing_keys(response).await?;
 
         let changes = Changes {
@@ -104,9 +99,8 @@ impl IdentityManager {
         store: Store,
         device_keys: DeviceKeys,
     ) -> StoreResult<DeviceChange> {
-        let old_device = store
+        let old_device =
-            .get_readonly_device(&device_keys.user_id, &device_keys.device_id)
+            store.get_readonly_device(&device_keys.user_id, &device_keys.device_id).await?;
-            .await?;
 
         if let Some(mut device) = old_device {
             if let Err(e) = device.update_device(&device_keys) {
@@ -148,9 +142,7 @@ impl IdentityManager {
 
         let current_devices: HashSet<DeviceIdBox> = device_map.keys().cloned().collect();
 
-        let tasks = device_map
+        let tasks = device_map.into_iter().filter_map(|(device_id, device_keys)| {
-            .into_iter()
-            .filter_map(|(device_id, device_keys)| {
             // We don't need our own device in the device store.
             if user_id == *own_user_id && device_id == *own_device_id {
                 None
@@ -161,10 +153,7 @@ impl IdentityManager {
                 );
                 None
             } else {
-                    Some(spawn(Self::update_or_create_device(
+                Some(spawn(Self::update_or_create_device(store.clone(), device_keys)))
-                        store.clone(),
-                        device_keys,
-                    )))
             }
         });
 
@@ -211,9 +200,7 @@ impl IdentityManager {
     ) -> StoreResult<DeviceChanges> {
         let mut changes = DeviceChanges::default();
 
-        let tasks = device_keys_map
+        let tasks = device_keys_map.into_iter().map(|(user_id, device_keys_map)| {
-            .into_iter()
-            .map(|(user_id, device_keys_map)| {
             spawn(Self::update_user_devices(
                 self.store.clone(),
                 self.user_id.clone(),
@@ -254,10 +241,7 @@ impl IdentityManager {
             let self_signing = if let Some(s) = response.self_signing_keys.get(user_id) {
                 SelfSigningPubkey::from(s)
             } else {
-                warn!(
+                warn!("User identity for user {} didn't contain a self signing pubkey", user_id);
-                    "User identity for user {} didn't contain a self signing pubkey",
-                    user_id
-                );
                 continue;
             };
 
@@ -276,13 +260,11 @@ impl IdentityManager {
                             continue;
                         };
 
-                        identity
+                        identity.update(master_key, self_signing, user_signing).map(|_| (i, false))
-                            .update(master_key, self_signing, user_signing)
+                    }
-                            .map(|_| (i, false))
+                    UserIdentities::Other(ref mut identity) => {
+                        identity.update(master_key, self_signing).map(|_| (i, false))
                     }
-                    UserIdentities::Other(ref mut identity) => identity
-                        .update(master_key, self_signing)
-                        .map(|_| (i, false)),
                 }
             } else if user_id == self.user_id() {
                 if let Some(s) = response.user_signing_keys.get(user_id) {
@@ -310,10 +292,7 @@ impl IdentityManager {
                     continue;
                 }
             } else if master_key.user_id() != user_id || self_signing.user_id() != user_id {
-                warn!(
+                warn!("User id mismatch in one of the cross signing keys for user {}", user_id);
-                    "User id mismatch in one of the cross signing keys for user {}",
-                    user_id
-                );
                 continue;
             } else {
                 UserIdentity::new(master_key, self_signing)
@@ -322,11 +301,7 @@ impl IdentityManager {
 
             match result {
                 Ok((i, new)) => {
-                    trace!(
+                    trace!("Updated or created new user identity for {}: {:?}", user_id, i);
-                        "Updated or created new user identity for {}: {:?}",
-                        user_id,
-                        i
-                    );
                     if new {
                         changes.new.push(i);
                     } else {
@@ -334,10 +309,7 @@ impl IdentityManager {
                     }
                 }
                 Err(e) => {
-                    warn!(
+                    warn!("Couldn't update or create new user identity for {}: {:?}", user_id, e);
-                        "Couldn't update or create new user identity for {}: {:?}",
-                        user_id, e
-                    );
                     continue;
                 }
             }
@@ -424,9 +396,7 @@ pub(crate) mod test {
         locks::Mutex,
         IncomingResponse,
     };
-
     use matrix_sdk_test::async_test;
-
     use serde_json::json;
 
     use crate::{
@@ -637,10 +607,7 @@ pub(crate) mod test {
         let devices = manager.store.get_user_devices(&other_user).await.unwrap();
         assert_eq!(devices.devices().count(), 0);
 
-        manager
+        manager.receive_keys_query_response(&other_key_query()).await.unwrap();
-            .receive_keys_query_response(&other_key_query())
-            .await
-            .unwrap();
 
         let devices = manager.store.get_user_devices(&other_user).await.unwrap();
         assert_eq!(devices.devices().count(), 1);
@@ -651,12 +618,7 @@ pub(crate) mod test {
             .await
             .unwrap()
             .unwrap();
-        let identity = manager
+        let identity = manager.store.get_user_identity(&other_user).await.unwrap().unwrap();
-            .store
-            .get_user_identity(&other_user)
-            .await
-            .unwrap()
-            .unwrap();
         let identity = identity.other().unwrap();
 
         assert!(identity.is_device_signed(&device).is_ok())
@@ -669,10 +631,7 @@ pub(crate) mod test {
         let devices = manager.store.get_user_devices(&other_user).await.unwrap();
         assert_eq!(devices.devices().count(), 0);
 
-        manager
+        manager.receive_keys_query_response(&other_key_query()).await.unwrap();
-            .receive_keys_query_response(&other_key_query())
-            .await
-            .unwrap();
 
         let devices = manager.store.get_user_devices(&other_user).await.unwrap();
         assert_eq!(devices.devices().count(), 1);
@@ -683,12 +642,7 @@ pub(crate) mod test {
             .await
             .unwrap()
             .unwrap();
-        let identity = manager
+        let identity = manager.store.get_user_identity(&other_user).await.unwrap().unwrap();
-            .store
-            .get_user_identity(&other_user)
-            .await
-            .unwrap()
-            .unwrap();
         let identity = identity.other().unwrap();
 
         assert!(identity.is_device_signed(&device).is_ok())

matrix_sdk_crypto/src/identities/mod.rs

@@ -29,10 +29,10 @@
 //!
 //! ## User
 //!
-//! Cross-signing capable devices will upload 3 additional (master, self-signing,
+//! Cross-signing capable devices will upload 3 additional (master,
-//! user-signing) public keys which represent the user identity owning all the
+//! self-signing, user-signing) public keys which represent the user identity
-//! devices. This is represented in two ways, as a `UserIdentity` for other
+//! owning all the devices. This is represented in two ways, as a `UserIdentity`
-//! users and as `OwnUserIdentity` for our own user.
+//! for other users and as `OwnUserIdentity` for our own user.
 //!
 //! This is done because the server will only give us access to 2 of the 3
 //! additional public keys for other users, while it will give us access to all
@@ -44,19 +44,19 @@ pub(crate) mod device;
 mod manager;
 pub(crate) mod user;
 
-pub use device::{Device, LocalTrust, ReadOnlyDevice, UserDevices};
-pub(crate) use manager::IdentityManager;
-pub use user::{
-    MasterPubkey, OwnUserIdentity, SelfSigningPubkey, UserIdentities, UserIdentity,
-    UserSigningPubkey,
-};
-
-use serde::{Deserialize, Deserializer, Serializer};
 use std::sync::{
     atomic::{AtomicBool, Ordering},
     Arc,
 };
 
+pub use device::{Device, LocalTrust, ReadOnlyDevice, UserDevices};
+pub(crate) use manager::IdentityManager;
+use serde::{Deserialize, Deserializer, Serializer};
+pub use user::{
+    MasterPubkey, OwnUserIdentity, SelfSigningPubkey, UserIdentities, UserIdentity,
+    UserSigningPubkey,
+};
+
 // These methods are only here because Serialize and Deserialize don't seem to
 // be implemented for WASM.
 fn atomic_bool_serializer<S>(x: &AtomicBool, s: S) -> Result<S::Ok, S::Error>

matrix_sdk_crypto/src/identities/user.rs

@@ -21,20 +21,18 @@ use std::{
     },
 };
 
-use serde::{Deserialize, Serialize};
-use serde_json::to_value;
-
 use matrix_sdk_common::{
     api::r0::keys::{CrossSigningKey, KeyUsage},
     identifiers::{DeviceKeyId, UserId},
 };
+use serde::{Deserialize, Serialize};
+use serde_json::to_value;
 
+use super::{atomic_bool_deserializer, atomic_bool_serializer};
 #[cfg(test)]
 use crate::olm::PrivateCrossSigningIdentity;
 use crate::{error::SignatureError, olm::Utility, ReadOnlyDevice};
 
-use super::{atomic_bool_deserializer, atomic_bool_serializer};
-
 /// Wrapper for a cross signing key marking it as the master key.
 ///
 /// Master keys are used to sign other cross signing keys, the self signing and
@@ -227,12 +225,7 @@ impl MasterPubkey {
         &self,
         subkey: impl Into<CrossSigningSubKeys<'a>>,
     ) -> Result<(), SignatureError> {
-        let (key_id, key) = self
+        let (key_id, key) = self.0.keys.iter().next().ok_or(SignatureError::MissingSigningKey)?;
-            .0
-            .keys
-            .iter()
-            .next()
-            .ok_or(SignatureError::MissingSigningKey)?;
 
         let key_id = DeviceKeyId::try_from(key_id.as_str())?;
 
@@ -289,12 +282,7 @@ impl UserSigningPubkey {
         &self,
         master_key: &MasterPubkey,
     ) -> Result<(), SignatureError> {
-        let (key_id, key) = self
+        let (key_id, key) = self.0.keys.iter().next().ok_or(SignatureError::MissingSigningKey)?;
-            .0
-            .keys
-            .iter()
-            .next()
-            .ok_or(SignatureError::MissingSigningKey)?;
 
         // TODO check that the usage is OK.
 
@@ -337,12 +325,7 @@ impl SelfSigningPubkey {
     /// Returns an empty result if the signature check succeeded, otherwise a
     /// SignatureError indicating why the check failed.
     pub(crate) fn verify_device(&self, device: &ReadOnlyDevice) -> Result<(), SignatureError> {
-        let (key_id, key) = self
+        let (key_id, key) = self.0.keys.iter().next().ok_or(SignatureError::MissingSigningKey)?;
-            .0
-            .keys
-            .iter()
-            .next()
-            .ok_or(SignatureError::MissingSigningKey)?;
 
         // TODO check that the usage is OK.
 
@@ -474,37 +457,16 @@ impl UserIdentity {
     ) -> Result<Self, SignatureError> {
         master_key.verify_subkey(&self_signing_key)?;
 
-        Ok(Self {
+        Ok(Self { user_id: Arc::new(master_key.0.user_id.clone()), master_key, self_signing_key })
-            user_id: Arc::new(master_key.0.user_id.clone()),
-            master_key,
-            self_signing_key,
-        })
     }
 
     #[cfg(test)]
     pub async fn from_private(identity: &PrivateCrossSigningIdentity) -> Self {
-        let master_key = identity
+        let master_key = identity.master_key.lock().await.as_ref().unwrap().public_key.clone();
-            .master_key
+        let self_signing_key =
-            .lock()
+            identity.self_signing_key.lock().await.as_ref().unwrap().public_key.clone();
-            .await
-            .as_ref()
-            .unwrap()
-            .public_key
-            .clone();
-        let self_signing_key = identity
-            .self_signing_key
-            .lock()
-            .await
-            .as_ref()
-            .unwrap()
-            .public_key
-            .clone();
 
-        Self {
+        Self { user_id: Arc::new(identity.user_id().clone()), master_key, self_signing_key }
-            user_id: Arc::new(identity.user_id().clone()),
-            master_key,
-            self_signing_key,
-        }
     }
 
     /// Get the user id of this identity.
@@ -646,8 +608,7 @@ impl OwnUserIdentity {
     /// Returns an empty result if the signature check succeeded, otherwise a
     /// SignatureError indicating why the check failed.
     pub fn is_identity_signed(&self, identity: &UserIdentity) -> Result<(), SignatureError> {
-        self.user_signing_key
+        self.user_signing_key.verify_master_key(&identity.master_key)
-            .verify_master_key(&identity.master_key)
     }
 
     /// Check if the given device has been signed by this identity.
@@ -719,6 +680,12 @@ impl OwnUserIdentity {
 pub(crate) mod test {
     use std::{convert::TryFrom, sync::Arc};
 
+    use matrix_sdk_common::{
+        api::r0::keys::get_keys::Response as KeyQueryResponse, identifiers::user_id, locks::Mutex,
+    };
+    use matrix_sdk_test::async_test;
+
+    use super::{OwnUserIdentity, UserIdentities, UserIdentity};
     use crate::{
         identities::{
             manager::test::{other_key_query, own_key_query},
@@ -729,13 +696,6 @@ pub(crate) mod test {
         verification::VerificationMachine,
     };
 
-    use matrix_sdk_common::{
-        api::r0::keys::get_keys::Response as KeyQueryResponse, identifiers::user_id, locks::Mutex,
-    };
-    use matrix_sdk_test::async_test;
-
-    use super::{OwnUserIdentity, UserIdentities, UserIdentity};
-
     fn device(response: &KeyQueryResponse) -> (ReadOnlyDevice, ReadOnlyDevice) {
         let mut devices = response.device_keys.values().next().unwrap().values();
         let first = ReadOnlyDevice::try_from(devices.next().unwrap()).unwrap();
@@ -793,9 +753,8 @@ pub(crate) mod test {
         assert!(identity.is_device_signed(&first).is_err());
         assert!(identity.is_device_signed(&second).is_ok());
 
-        let private_identity = Arc::new(Mutex::new(PrivateCrossSigningIdentity::empty(
+        let private_identity =
-            second.user_id().clone(),
+            Arc::new(Mutex::new(PrivateCrossSigningIdentity::empty(second.user_id().clone())));
-        )));
         let verification_machine = VerificationMachine::new(
             ReadOnlyAccount::new(second.user_id(), second.device_id()),
             private_identity.clone(),

matrix_sdk_crypto/src/key_request.rs

@@ -20,13 +20,9 @@
 // If we don't trust the device store an object that remembers the request and
 // let the users introspect that object.
 
-use dashmap::{mapref::entry::Entry, DashMap, DashSet};
-use serde::{Deserialize, Serialize};
-use serde_json::value::to_raw_value;
 use std::{collections::BTreeMap, sync::Arc};
-use thiserror::Error;
-use tracing::{error, info, trace, warn};
 
+use dashmap::{mapref::entry::Entry, DashMap, DashSet};
 use matrix_sdk_common::{
     api::r0::to_device::DeviceIdOrAllDevices,
     events::{
@@ -37,6 +33,10 @@ use matrix_sdk_common::{
     identifiers::{DeviceId, DeviceIdBox, EventEncryptionAlgorithm, RoomId, UserId},
     uuid::Uuid,
 };
+use serde::{Deserialize, Serialize};
+use serde_json::value::to_raw_value;
+use thiserror::Error;
+use tracing::{error, info, trace, warn};
 
 use crate::{
     error::{OlmError, OlmResult},
@@ -105,10 +105,8 @@ impl WaitQueue {
         &self,
         user_id: &UserId,
         device_id: &DeviceId,
-    ) -> Vec<(
+    ) -> Vec<((UserId, DeviceIdBox, String), ToDeviceEvent<RoomKeyRequestToDeviceEventContent>)>
-        (UserId, DeviceIdBox, String),
+    {
-        ToDeviceEvent<RoomKeyRequestToDeviceEventContent>,
-    )> {
         self.requests_ids_waiting
             .remove(&(user_id.to_owned(), device_id.into()))
             .map(|(_, request_ids)| {
@@ -204,12 +202,7 @@ fn wrap_key_request_content(
     Ok(OutgoingRequest {
         request_id: id,
         request: Arc::new(
-            ToDeviceRequest {
+            ToDeviceRequest { event_type: EventType::RoomKeyRequest, txn_id: id, messages }.into(),
-                event_type: EventType::RoomKeyRequest,
-                txn_id: id,
-                messages,
-            }
-            .into(),
         ),
     })
 }
@@ -241,10 +234,7 @@ impl KeyRequestMachine {
             .await?
             .into_iter()
             .filter(|i| !i.sent_out)
-            .map(|info| {
+            .map(|info| info.to_request(self.device_id()).map_err(CryptoStoreError::from))
-                info.to_request(self.device_id())
-                    .map_err(CryptoStoreError::from)
-            })
             .collect()
     }
 
@@ -262,11 +252,8 @@ impl KeyRequestMachine {
         &self,
     ) -> Result<Vec<OutgoingRequest>, CryptoStoreError> {
         let mut key_requests = self.load_outgoing_requests().await?;
-        let key_forwards: Vec<OutgoingRequest> = self
+        let key_forwards: Vec<OutgoingRequest> =
-            .outgoing_to_device_requests
+            self.outgoing_to_device_requests.iter().map(|i| i.value().clone()).collect();
-            .iter()
-            .map(|i| i.value().clone())
-            .collect();
         key_requests.extend(key_forwards);
 
         Ok(key_requests)
@@ -281,8 +268,7 @@ impl KeyRequestMachine {
         let device_id = event.content.requesting_device_id.clone();
         let request_id = event.content.request_id.clone();
 
-        self.incoming_key_requests
+        self.incoming_key_requests.insert((sender, device_id, request_id), event.clone());
-            .insert((sender, device_id, request_id), event.clone());
     }
 
     /// Handle all the incoming key requests that are queued up and empty our
@@ -401,10 +387,8 @@ impl KeyRequestMachine {
             return Ok(None);
         };
 
-        let device = self
+        let device =
-            .store
+            self.store.get_device(&event.sender, &event.content.requesting_device_id).await?;
-            .get_device(&event.sender, &event.content.requesting_device_id)
-            .await?;
 
         if let Some(device) = device {
             match self.should_share_key(&device, &session).await {
@@ -461,17 +445,13 @@ impl KeyRequestMachine {
         device: &Device,
         message_index: Option<u32>,
     ) -> OlmResult<Session> {
-        let (used_session, content) = device
+        let (used_session, content) =
-            .encrypt_session(session.clone(), message_index)
+            device.encrypt_session(session.clone(), message_index).await?;
-            .await?;
 
         let id = Uuid::new_v4();
         let mut messages = BTreeMap::new();
 
-        messages
+        messages.entry(device.user_id().to_owned()).or_insert_with(BTreeMap::new).insert(
-            .entry(device.user_id().to_owned())
-            .or_insert_with(BTreeMap::new)
-            .insert(
             DeviceIdOrAllDevices::DeviceId(device.device_id().into()),
             to_raw_value(&content)?,
         );
@@ -479,11 +459,7 @@ impl KeyRequestMachine {
         let request = OutgoingRequest {
             request_id: id,
             request: Arc::new(
-                ToDeviceRequest {
+                ToDeviceRequest { event_type: EventType::RoomEncrypted, txn_id: id, messages }
-                    event_type: EventType::RoomEncrypted,
-                    txn_id: id,
-                    messages,
-                }
                     .into(),
             ),
         };
@@ -542,8 +518,8 @@ impl KeyRequestMachine {
             } else {
                 Err(KeyshareDecision::OutboundSessionNotShared)
             }
-        // Else just check if it's one of our own devices that requested the key and
+        // Else just check if it's one of our own devices that requested the key
-        // check if the device is trusted.
+        // and check if the device is trusted.
         } else if device.user_id() == self.user_id() {
             own_device_check()
         // Otherwise, there's not enough info to decide if we can safely share
@@ -711,9 +687,7 @@ impl KeyRequestMachine {
 
     /// Delete the given outgoing key info.
     async fn delete_key_info(&self, info: &OutgoingKeyRequest) -> Result<(), CryptoStoreError> {
-        self.store
+        self.store.delete_outgoing_key_request(info.request_id).await
-            .delete_outgoing_key_request(info.request_id)
-            .await
     }
 
     /// Mark the outgoing request as sent.
@@ -736,20 +710,15 @@ impl KeyRequestMachine {
     /// This will queue up a request cancelation.
     async fn mark_as_done(&self, key_info: OutgoingKeyRequest) -> Result<(), CryptoStoreError> {
         // TODO perhaps only remove the key info if the first known index is 0.
-        trace!(
+        trace!("Successfully received a forwarded room key for {:#?}", key_info);
-            "Successfully received a forwarded room key for {:#?}",
-            key_info
-        );
 
-        self.outgoing_to_device_requests
+        self.outgoing_to_device_requests.remove(&key_info.request_id);
-            .remove(&key_info.request_id);
         // TODO return the key info instead of deleting it so the sync handler
         // can delete it in one transaction.
         self.delete_key_info(&key_info).await?;
 
         let request = key_info.to_cancelation(self.device_id())?;
-        self.outgoing_to_device_requests
+        self.outgoing_to_device_requests.insert(request.request_id, request);
-            .insert(request.request_id, request);
 
         Ok(())
     }
@@ -801,10 +770,7 @@ impl KeyRequestMachine {
                 );
             }
 
-            Ok((
+            Ok((Some(AnyToDeviceEvent::ForwardedRoomKey(event.clone())), session))
-                Some(AnyToDeviceEvent::ForwardedRoomKey(event.clone())),
-                session,
-            ))
         } else {
             info!(
                 "Received a forwarded room key from {}, but no key info was found.",
@@ -817,6 +783,8 @@ impl KeyRequestMachine {
 
 #[cfg(test)]
 mod test {
+    use std::{convert::TryInto, sync::Arc};
+
     use dashmap::DashMap;
     use matrix_sdk_common::{
         api::r0::to_device::DeviceIdOrAllDevices,
@@ -829,8 +797,8 @@ mod test {
         locks::Mutex,
     };
     use matrix_sdk_test::async_test;
-    use std::{convert::TryInto, sync::Arc};
 
+    use super::{KeyRequestMachine, KeyshareDecision};
     use crate::{
         identities::{LocalTrust, ReadOnlyDevice},
         olm::{Account, PrivateCrossSigningIdentity, ReadOnlyAccount},
@@ -839,8 +807,6 @@ mod test {
         verification::VerificationMachine,
     };
 
-    use super::{KeyRequestMachine, KeyshareDecision};
-
     fn alice_id() -> UserId {
         user_id!("@alice:example.org")
     }
@@ -919,11 +885,7 @@ mod test {
     async fn create_machine() {
         let machine = get_machine().await;
 
-        assert!(machine
+        assert!(machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .outgoing_to_device_requests()
-            .await
-            .unwrap()
-            .is_empty());
     }
 
     #[async_test]
@@ -931,16 +893,10 @@ mod test {
         let machine = get_machine().await;
         let account = account();
 
-        let (_, session) = account
+        let (_, session) =
-            .create_group_session_pair_with_defaults(&room_id())
+            account.create_group_session_pair_with_defaults(&room_id()).await.unwrap();
-            .await
-            .unwrap();
 
-        assert!(machine
+        assert!(machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .outgoing_to_device_requests()
-            .await
-            .unwrap()
-            .is_empty());
         let (cancel, request) = machine
             .request_key(session.room_id(), &session.sender_key, session.session_id())
             .await
@@ -948,10 +904,7 @@ mod test {
 
         assert!(cancel.is_none());
 
-        machine
+        machine.mark_outgoing_request_as_sent(request.request_id).await.unwrap();
-            .mark_outgoing_request_as_sent(request.request_id)
-            .await
-            .unwrap();
 
         let (cancel, _) = machine
             .request_key(session.room_id(), &session.sender_key, session.session_id())
@@ -972,16 +925,10 @@ mod test {
         alice_device.set_trust_state(LocalTrust::Verified);
         machine.store.save_devices(&[alice_device]).await.unwrap();
 
-        let (_, session) = account
+        let (_, session) =
-            .create_group_session_pair_with_defaults(&room_id())
+            account.create_group_session_pair_with_defaults(&room_id()).await.unwrap();
-            .await
-            .unwrap();
 
-        assert!(machine
+        assert!(machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .outgoing_to_device_requests()
-            .await
-            .unwrap()
-            .is_empty());
         machine
             .create_outgoing_key_request(
                 session.room_id(),
@@ -990,15 +937,8 @@ mod test {
             )
             .await
             .unwrap();
-        assert!(!machine
+        assert!(!machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .outgoing_to_device_requests()
+        assert_eq!(machine.outgoing_to_device_requests().await.unwrap().len(), 1);
-            .await
-            .unwrap()
-            .is_empty());
-        assert_eq!(
-            machine.outgoing_to_device_requests().await.unwrap().len(),
-            1
-        );
 
         machine
             .create_outgoing_key_request(
@@ -1014,15 +954,8 @@ mod test {
 
         let request = requests.get(0).unwrap();
 
-        machine
+        machine.mark_outgoing_request_as_sent(request.request_id).await.unwrap();
-            .mark_outgoing_request_as_sent(request.request_id)
+        assert!(machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .await
-            .unwrap();
-        assert!(machine
-            .outgoing_to_device_requests()
-            .await
-            .unwrap()
-            .is_empty());
     }
 
     #[async_test]
@@ -1037,10 +970,8 @@ mod test {
         alice_device.set_trust_state(LocalTrust::Verified);
         machine.store.save_devices(&[alice_device]).await.unwrap();
 
-        let (_, session) = account
+        let (_, session) =
-            .create_group_session_pair_with_defaults(&room_id())
+            account.create_group_session_pair_with_defaults(&room_id()).await.unwrap();
-            .await
-            .unwrap();
         machine
             .create_outgoing_key_request(
                 session.room_id(),
@@ -1060,10 +991,7 @@ mod test {
 
         let content: ForwardedRoomKeyToDeviceEventContent = export.try_into().unwrap();
 
-        let mut event = ToDeviceEvent {
+        let mut event = ToDeviceEvent { sender: alice_id(), content };
-            sender: alice_id(),
-            content,
-        };
 
         assert!(
             machine
@@ -1078,19 +1006,13 @@ mod test {
                 .is_none()
         );
 
-        let (_, first_session) = machine
+        let (_, first_session) =
-            .receive_forwarded_room_key(&session.sender_key, &mut event)
+            machine.receive_forwarded_room_key(&session.sender_key, &mut event).await.unwrap();
-            .await
-            .unwrap();
         let first_session = first_session.unwrap();
 
         assert_eq!(first_session.first_known_index(), 10);
 
-        machine
+        machine.store.save_inbound_group_sessions(&[first_session.clone()]).await.unwrap();
-            .store
-            .save_inbound_group_sessions(&[first_session.clone()])
-            .await
-            .unwrap();
 
         // Get the cancel request.
         let request = machine.outgoing_to_device_requests.iter().next().unwrap();
@@ -1110,24 +1032,16 @@ mod test {
         let requests = machine.outgoing_to_device_requests().await.unwrap();
         let request = &requests[0];
 
-        machine
+        machine.mark_outgoing_request_as_sent(request.request_id).await.unwrap();
-            .mark_outgoing_request_as_sent(request.request_id)
-            .await
-            .unwrap();
 
         let export = session.export_at_index(15).await;
 
         let content: ForwardedRoomKeyToDeviceEventContent = export.try_into().unwrap();
 
-        let mut event = ToDeviceEvent {
+        let mut event = ToDeviceEvent { sender: alice_id(), content };
-            sender: alice_id(),
-            content,
-        };
 
-        let (_, second_session) = machine
+        let (_, second_session) =
-            .receive_forwarded_room_key(&session.sender_key, &mut event)
+            machine.receive_forwarded_room_key(&session.sender_key, &mut event).await.unwrap();
-            .await
-            .unwrap();
 
         assert!(second_session.is_none());
 
@@ -1135,15 +1049,10 @@ mod test {
 
         let content: ForwardedRoomKeyToDeviceEventContent = export.try_into().unwrap();
 
-        let mut event = ToDeviceEvent {
+        let mut event = ToDeviceEvent { sender: alice_id(), content };
-            sender: alice_id(),
-            content,
-        };
 
-        let (_, second_session) = machine
+        let (_, second_session) =
-            .receive_forwarded_room_key(&session.sender_key, &mut event)
+            machine.receive_forwarded_room_key(&session.sender_key, &mut event).await.unwrap();
-            .await
-            .unwrap();
 
         assert_eq!(second_session.unwrap().first_known_index(), 0);
     }
@@ -1153,17 +1062,11 @@ mod test {
         let machine = get_machine().await;
         let account = account();
 
-        let own_device = machine
+        let own_device =
-            .store
+            machine.store.get_device(&alice_id(), &alice_device_id()).await.unwrap().unwrap();
-            .get_device(&alice_id(), &alice_device_id())
-            .await
-            .unwrap()
-            .unwrap();
 
-        let (outbound, inbound) = account
+        let (outbound, inbound) =
-            .create_group_session_pair_with_defaults(&room_id())
+            account.create_group_session_pair_with_defaults(&room_id()).await.unwrap();
-            .await
-            .unwrap();
 
         // We don't share keys with untrusted devices.
         assert_eq!(
@@ -1175,20 +1078,13 @@ mod test {
         );
         own_device.set_trust_state(LocalTrust::Verified);
         // Now we do want to share the keys.
-        assert!(machine
+        assert!(machine.should_share_key(&own_device, &inbound).await.is_ok());
-            .should_share_key(&own_device, &inbound)
-            .await
-            .is_ok());
 
         let bob_device = ReadOnlyDevice::from_account(&bob_account()).await;
         machine.store.save_devices(&[bob_device]).await.unwrap();
 
-        let bob_device = machine
+        let bob_device =
-            .store
+            machine.store.get_device(&bob_id(), &bob_device_id()).await.unwrap().unwrap();
-            .get_device(&bob_id(), &bob_device_id())
-            .await
-            .unwrap()
-            .unwrap();
 
         // We don't share sessions with other user's devices if no outbound
         // session was provided.
@@ -1231,17 +1127,12 @@ mod test {
 
         // We now share the session, since it was shared before.
         outbound.mark_shared_with(bob_device.user_id(), bob_device.device_id());
-        assert!(machine
+        assert!(machine.should_share_key(&bob_device, &inbound).await.is_ok());
-            .should_share_key(&bob_device, &inbound)
-            .await
-            .is_ok());
 
         // But we don't share some other session that doesn't match our outbound
         // session
-        let (_, other_inbound) = account
+        let (_, other_inbound) =
-            .create_group_session_pair_with_defaults(&room_id())
+            account.create_group_session_pair_with_defaults(&room_id()).await.unwrap();
-            .await
-            .unwrap();
 
         assert_eq!(
             machine
@@ -1255,10 +1146,7 @@ mod test {
     #[async_test]
     async fn key_share_cycle() {
         let alice_machine = get_machine().await;
-        let alice_account = Account {
+        let alice_account = Account { inner: account(), store: alice_machine.store.clone() };
-            inner: account(),
-            store: alice_machine.store.clone(),
-        };
 
         let bob_machine = bob_machine();
         let bob_account = bob_account();
@@ -1268,11 +1156,7 @@ mod test {
 
         // We need a trusted device, otherwise we won't request keys
         alice_device.set_trust_state(LocalTrust::Verified);
-        alice_machine
+        alice_machine.store.save_devices(&[alice_device]).await.unwrap();
-            .store
-            .save_devices(&[alice_device])
-            .await
-            .unwrap();
 
         // Create Olm sessions for our two accounts.
         let (alice_session, bob_session) = alice_account.create_session_for(&bob_account).await;
@@ -1282,37 +1166,15 @@ mod test {
 
         // Populate our stores with Olm sessions and a Megolm session.
 
-        alice_machine
+        alice_machine.store.save_sessions(&[alice_session]).await.unwrap();
-            .store
+        alice_machine.store.save_devices(&[bob_device]).await.unwrap();
-            .save_sessions(&[alice_session])
+        bob_machine.store.save_sessions(&[bob_session]).await.unwrap();
-            .await
+        bob_machine.store.save_devices(&[alice_device]).await.unwrap();
-            .unwrap();
-        alice_machine
-            .store
-            .save_devices(&[bob_device])
-            .await
-            .unwrap();
-        bob_machine
-            .store
-            .save_sessions(&[bob_session])
-            .await
-            .unwrap();
-        bob_machine
-            .store
-            .save_devices(&[alice_device])
-            .await
-            .unwrap();
 
-        let (group_session, inbound_group_session) = bob_account
+        let (group_session, inbound_group_session) =
-            .create_group_session_pair_with_defaults(&room_id())
+            bob_account.create_group_session_pair_with_defaults(&room_id()).await.unwrap();
-            .await
-            .unwrap();
 
-        bob_machine
+        bob_machine.store.save_inbound_group_sessions(&[inbound_group_session]).await.unwrap();
-            .store
-            .save_inbound_group_sessions(&[inbound_group_session])
-            .await
-            .unwrap();
 
         // Alice wants to request the outbound group session from bob.
         alice_machine
@@ -1326,9 +1188,7 @@ mod test {
         group_session.mark_shared_with(&alice_id(), &alice_device_id());
 
         // Put the outbound session into bobs store.
-        bob_machine
+        bob_machine.outbound_group_sessions.insert(group_session.clone());
-            .outbound_group_sessions
-            .insert(group_session.clone());
 
         // Get the request and convert it into a event.
         let requests = alice_machine.outgoing_to_device_requests().await.unwrap();
@@ -1346,15 +1206,9 @@ mod test {
         let content: RoomKeyRequestToDeviceEventContent =
             serde_json::from_str(content.get()).unwrap();
 
-        alice_machine
+        alice_machine.mark_outgoing_request_as_sent(id).await.unwrap();
-            .mark_outgoing_request_as_sent(id)
-            .await
-            .unwrap();
 
-        let event = ToDeviceEvent {
+        let event = ToDeviceEvent { sender: alice_id(), content };
-            sender: alice_id(),
-            content,
-        };
 
         // Bob doesn't have any outgoing requests.
         assert!(bob_machine.outgoing_to_device_requests.is_empty());
@@ -1383,10 +1237,7 @@ mod test {
 
         bob_machine.mark_outgoing_request_as_sent(id).await.unwrap();
 
-        let event = ToDeviceEvent {
+        let event = ToDeviceEvent { sender: bob_id(), content };
-            sender: bob_id(),
-            content,
-        };
 
         // Check that alice doesn't have the session.
         assert!(alice_machine
@@ -1407,11 +1258,7 @@ mod test {
                 .receive_forwarded_room_key(&decrypted.sender_key, &mut e)
                 .await
                 .unwrap();
-            alice_machine
+            alice_machine.store.save_inbound_group_sessions(&[session.unwrap()]).await.unwrap();
-                .store
-                .save_inbound_group_sessions(&[session.unwrap()])
-                .await
-                .unwrap();
         } else {
             panic!("Invalid decrypted event type");
         }
@@ -1434,10 +1281,7 @@ mod test {
     #[async_test]
     async fn key_share_cycle_without_session() {
         let alice_machine = get_machine().await;
-        let alice_account = Account {
+        let alice_account = Account { inner: account(), store: alice_machine.store.clone() };
-            inner: account(),
-            store: alice_machine.store.clone(),
-        };
 
         let bob_machine = bob_machine();
         let bob_account = bob_account();
@@ -1447,11 +1291,7 @@ mod test {
 
         // We need a trusted device, otherwise we won't request keys
         alice_device.set_trust_state(LocalTrust::Verified);
-        alice_machine
+        alice_machine.store.save_devices(&[alice_device]).await.unwrap();
-            .store
-            .save_devices(&[alice_device])
-            .await
-            .unwrap();
 
         // Create Olm sessions for our two accounts.
         let (alice_session, bob_session) = alice_account.create_session_for(&bob_account).await;
@@ -1461,27 +1301,13 @@ mod test {
 
         // Populate our stores with Olm sessions and a Megolm session.
 
-        alice_machine
+        alice_machine.store.save_devices(&[bob_device]).await.unwrap();
-            .store
+        bob_machine.store.save_devices(&[alice_device]).await.unwrap();
-            .save_devices(&[bob_device])
-            .await
-            .unwrap();
-        bob_machine
-            .store
-            .save_devices(&[alice_device])
-            .await
-            .unwrap();
 
-        let (group_session, inbound_group_session) = bob_account
+        let (group_session, inbound_group_session) =
-            .create_group_session_pair_with_defaults(&room_id())
+            bob_account.create_group_session_pair_with_defaults(&room_id()).await.unwrap();
-            .await
-            .unwrap();
 
-        bob_machine
+        bob_machine.store.save_inbound_group_sessions(&[inbound_group_session]).await.unwrap();
-            .store
-            .save_inbound_group_sessions(&[inbound_group_session])
-            .await
-            .unwrap();
 
         // Alice wants to request the outbound group session from bob.
         alice_machine
@@ -1495,9 +1321,7 @@ mod test {
         group_session.mark_shared_with(&alice_id(), &alice_device_id());
 
         // Put the outbound session into bobs store.
-        bob_machine
+        bob_machine.outbound_group_sessions.insert(group_session.clone());
-            .outbound_group_sessions
-            .insert(group_session.clone());
 
         // Get the request and convert it into a event.
         let requests = alice_machine.outgoing_to_device_requests().await.unwrap();
@@ -1515,22 +1339,12 @@ mod test {
         let content: RoomKeyRequestToDeviceEventContent =
             serde_json::from_str(content.get()).unwrap();
 
-        alice_machine
+        alice_machine.mark_outgoing_request_as_sent(id).await.unwrap();
-            .mark_outgoing_request_as_sent(id)
-            .await
-            .unwrap();
 
-        let event = ToDeviceEvent {
+        let event = ToDeviceEvent { sender: alice_id(), content };
-            sender: alice_id(),
-            content,
-        };
 
         // Bob doesn't have any outgoing requests.
-        assert!(bob_machine
+        assert!(bob_machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .outgoing_to_device_requests()
-            .await
-            .unwrap()
-            .is_empty());
         assert!(bob_machine.users_for_key_claim.is_empty());
         assert!(bob_machine.wait_queue.is_empty());
 
@@ -1538,35 +1352,19 @@ mod test {
         bob_machine.receive_incoming_key_request(&event);
         bob_machine.collect_incoming_key_requests().await.unwrap();
         // Bob doens't have an outgoing requests since we're lacking a session.
-        assert!(bob_machine
+        assert!(bob_machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .outgoing_to_device_requests()
-            .await
-            .unwrap()
-            .is_empty());
         assert!(!bob_machine.users_for_key_claim.is_empty());
         assert!(!bob_machine.wait_queue.is_empty());
 
         // We create a session now.
-        alice_machine
+        alice_machine.store.save_sessions(&[alice_session]).await.unwrap();
-            .store
+        bob_machine.store.save_sessions(&[bob_session]).await.unwrap();
-            .save_sessions(&[alice_session])
-            .await
-            .unwrap();
-        bob_machine
-            .store
-            .save_sessions(&[bob_session])
-            .await
-            .unwrap();
 
         bob_machine.retry_keyshare(&alice_id(), &alice_device_id());
         assert!(bob_machine.users_for_key_claim.is_empty());
         bob_machine.collect_incoming_key_requests().await.unwrap();
         // Bob now has an outgoing requests.
-        assert!(!bob_machine
+        assert!(!bob_machine.outgoing_to_device_requests().await.unwrap().is_empty());
-            .outgoing_to_device_requests()
-            .await
-            .unwrap()
-            .is_empty());
         assert!(bob_machine.wait_queue.is_empty());
 
         // Get the request and convert it to a encrypted to-device event.
@@ -1588,10 +1386,7 @@ mod test {
 
         bob_machine.mark_outgoing_request_as_sent(id).await.unwrap();
 
-        let event = ToDeviceEvent {
+        let event = ToDeviceEvent { sender: bob_id(), content };
-            sender: bob_id(),
-            content,
-        };
 
         // Check that alice doesn't have the session.
         assert!(alice_machine
@@ -1612,11 +1407,7 @@ mod test {
                 .receive_forwarded_room_key(&decrypted.sender_key, &mut e)
                 .await
                 .unwrap();
-            alice_machine
+            alice_machine.store.save_inbound_group_sessions(&[session.unwrap()]).await.unwrap();
-                .store
-                .save_inbound_group_sessions(&[session.unwrap()])
-                .await
-                .unwrap();
         } else {
             panic!("Invalid decrypted event type");
         }

matrix_sdk_crypto/src/machine.rs

@@ -17,8 +17,6 @@ use std::path::Path;
 use std::{collections::BTreeMap, mem, sync::Arc};
 
 use dashmap::DashMap;
-use tracing::{debug, error, info, trace, warn};
-
 use matrix_sdk_common::{
     api::r0::{
         keys::{
@@ -43,6 +41,7 @@ use matrix_sdk_common::{
     uuid::Uuid,
     UInt,
 };
+use tracing::{debug, error, info, trace, warn};
 
 #[cfg(feature = "sled_cryptostore")]
 use crate::store::sled::SledStore;
@@ -148,19 +147,12 @@ impl OlmMachine {
         let store = Arc::new(store);
         let verification_machine =
             VerificationMachine::new(account.clone(), user_identity.clone(), store.clone());
-        let store = Store::new(
+        let store =
-            user_id.clone(),
+            Store::new(user_id.clone(), user_identity.clone(), store, verification_machine.clone());
-            user_identity.clone(),
-            store,
-            verification_machine.clone(),
-        );
         let device_id: Arc<DeviceIdBox> = Arc::new(device_id);
         let users_for_key_claim = Arc::new(DashMap::new());
 
-        let account = Account {
+        let account = Account { inner: account, store: store.clone() };
-            inner: account,
-            store: store.clone(),
-        };
 
         let group_session_manager = GroupSessionManager::new(account.clone(), store.clone());
 
@@ -244,9 +236,7 @@ impl OlmMachine {
             }
         };
 
-        Ok(OlmMachine::new_helper(
+        Ok(OlmMachine::new_helper(&user_id, device_id, store, account, identity))
-            &user_id, device_id, store, account, identity,
-        ))
     }
 
     /// Create a new machine with the default crypto store.
@@ -296,19 +286,16 @@ impl OlmMachine {
     pub async fn outgoing_requests(&self) -> StoreResult<Vec<OutgoingRequest>> {
         let mut requests = Vec::new();
 
-        if let Some(r) = self.keys_for_upload().await.map(|r| OutgoingRequest {
+        if let Some(r) = self
-            request_id: Uuid::new_v4(),
+            .keys_for_upload()
-            request: Arc::new(r.into()),
+            .await
-        }) {
+            .map(|r| OutgoingRequest { request_id: Uuid::new_v4(), request: Arc::new(r.into()) })
+        {
             requests.push(r);
         }
 
-        for request in self
+        for request in
-            .identity_manager
+            self.identity_manager.users_for_key_query().await.into_iter().map(|r| OutgoingRequest {
-            .users_for_key_query()
-            .await
-            .into_iter()
-            .map(|r| OutgoingRequest {
                 request_id: Uuid::new_v4(),
                 request: Arc::new(r.into()),
             })
@@ -317,12 +304,7 @@ impl OlmMachine {
         }
 
         requests.append(&mut self.verification_machine.outgoing_messages());
-        requests.append(
+        requests.append(&mut self.key_request_machine.outgoing_to_device_requests().await?);
-            &mut self
-                .key_request_machine
-                .outgoing_to_device_requests()
-                .await?,
-        );
 
         Ok(requests)
     }
@@ -373,10 +355,7 @@ impl OlmMachine {
         let identity = self.user_identity.lock().await;
         identity.mark_as_shared();
 
-        let changes = Changes {
+        let changes = Changes { private_identity: Some(identity.clone()), ..Default::default() };
-            private_identity: Some(identity.clone()),
-            ..Default::default()
-        };
 
         self.store.save_changes(changes).await
     }
@@ -406,10 +385,7 @@ impl OlmMachine {
             );
 
             let changes = Changes {
-                identities: IdentityChanges {
+                identities: IdentityChanges { new: vec![public.into()], ..Default::default() },
-                    new: vec![public.into()],
-                    ..Default::default()
-                },
                 private_identity: Some(identity.clone()),
                 ..Default::default()
             };
@@ -421,10 +397,8 @@ impl OlmMachine {
             info!("Trying to upload the existing cross signing identity");
             let request = identity.as_upload_request().await;
             // TODO remove this expect.
-            let signature_request = identity
+            let signature_request =
-                .sign_account(&self.account)
+                identity.sign_account(&self.account).await.expect("Can't sign device keys");
-                .await
-                .expect("Can't sign device keys");
             Ok((request, signature_request))
         }
     }
@@ -518,9 +492,7 @@ impl OlmMachine {
     ///
     /// * `response` - The response containing the claimed one-time keys.
     async fn receive_keys_claim_response(&self, response: &KeysClaimResponse) -> OlmResult<()> {
-        self.session_manager
+        self.session_manager.receive_keys_claim_response(response).await
-            .receive_keys_claim_response(response)
-            .await
     }
 
     /// Receive a successful keys query response.
@@ -536,9 +508,7 @@ impl OlmMachine {
         &self,
         response: &KeysQueryResponse,
     ) -> OlmResult<(DeviceChanges, IdentityChanges)> {
-        self.identity_manager
+        self.identity_manager.receive_keys_query_response(response).await
-            .receive_keys_query_response(response)
-            .await
     }
 
     /// Get a request to upload E2EE keys to the server.
@@ -676,9 +646,7 @@ impl OlmMachine {
     /// Returns true if a session was invalidated, false if there was no session
     /// to invalidate.
     pub async fn invalidate_group_session(&self, room_id: &RoomId) -> StoreResult<bool> {
-        self.group_session_manager
+        self.group_session_manager.invalidate_group_session(room_id).await
-            .invalidate_group_session(room_id)
-            .await
     }
 
     /// Get to-device requests to share a group session with users in a room.
@@ -695,9 +663,7 @@ impl OlmMachine {
         users: impl Iterator<Item = &UserId>,
         encryption_settings: impl Into<EncryptionSettings>,
     ) -> OlmResult<Vec<Arc<ToDeviceRequest>>> {
-        self.group_session_manager
+        self.group_session_manager.share_group_session(room_id, users, encryption_settings).await
-            .share_group_session(room_id, users, encryption_settings)
-            .await
     }
 
     /// Receive and properly handle a decrypted to-device event.
@@ -716,18 +682,15 @@ impl OlmMachine {
         let event = match decrypted.event.deserialize() {
             Ok(e) => e,
             Err(e) => {
-                warn!(
+                warn!("Decrypted to-device event failed to be parsed correctly {:?}", e);
-                    "Decrypted to-device event failed to be parsed correctly {:?}",
-                    e
-                );
                 return Ok((None, None));
             }
         };
 
         match event {
-            AnyToDeviceEvent::RoomKey(mut e) => Ok(self
+            AnyToDeviceEvent::RoomKey(mut e) => {
-                .add_room_key(&decrypted.sender_key, &decrypted.signing_key, &mut e)
+                Ok(self.add_room_key(&decrypted.sender_key, &decrypted.signing_key, &mut e).await?)
-                .await?),
+            }
             AnyToDeviceEvent::ForwardedRoomKey(mut e) => Ok(self
                 .key_request_machine
                 .receive_forwarded_room_key(&decrypted.sender_key, &mut e)
@@ -748,14 +711,9 @@ impl OlmMachine {
     /// Mark an outgoing to-device requests as sent.
     async fn mark_to_device_request_as_sent(&self, request_id: &Uuid) -> StoreResult<()> {
         self.verification_machine.mark_request_as_sent(request_id);
-        self.key_request_machine
+        self.key_request_machine.mark_outgoing_request_as_sent(*request_id).await?;
-            .mark_outgoing_request_as_sent(*request_id)
+        self.group_session_manager.mark_request_as_sent(request_id).await?;
-            .await?;
+        self.session_manager.mark_outgoing_request_as_sent(request_id);
-        self.group_session_manager
-            .mark_request_as_sent(request_id)
-            .await?;
-        self.session_manager
-            .mark_outgoing_request_as_sent(request_id);
 
         Ok(())
     }
@@ -830,10 +788,8 @@ impl OlmMachine {
 
         // Always save the account, a new session might get created which also
         // touches the account.
-        let mut changes = Changes {
+        let mut changes =
-            account: Some(self.account.inner.clone()),
+            Changes { account: Some(self.account.inner.clone()), ..Default::default() };
-            ..Default::default()
-        };
 
         self.update_one_time_key_count(one_time_keys_counts).await;
 
@@ -850,10 +806,7 @@ impl OlmMachine {
                 Ok(e) => e,
                 Err(e) => {
                     // Skip invalid events.
-                    warn!(
+                    warn!("Received an invalid to-device event {:?} {:?}", e, raw_event);
-                        "Received an invalid to-device event {:?} {:?}",
-                        e, raw_event
-                    );
                     continue;
                 }
             };
@@ -865,10 +818,7 @@ impl OlmMachine {
                     let decrypted = match self.decrypt_to_device_event(&e).await {
                         Ok(e) => e,
                         Err(err) => {
-                            warn!(
+                            warn!("Failed to decrypt to-device event from {} {}", e.sender, err);
-                                "Failed to decrypt to-device event from {} {}",
-                                e.sender, err
-                            );
 
                             if let OlmError::SessionWedged(sender, curve_key) = err {
                                 if let Err(e) = self
@@ -916,10 +866,7 @@ impl OlmMachine {
             events.push(raw_event);
         }
 
-        let changed_sessions = self
+        let changed_sessions = self.key_request_machine.collect_incoming_key_requests().await?;
-            .key_request_machine
-            .collect_incoming_key_requests()
-            .await?;
 
         changes.sessions.extend(changed_sessions);
 
@@ -1036,25 +983,16 @@ impl OlmMachine {
         // TODO check if this is from a verified device.
         let (decrypted_event, _) = session.decrypt(event).await?;
 
-        trace!(
+        trace!("Successfully decrypted a Megolm event {:?}", decrypted_event);
-            "Successfully decrypted a Megolm event {:?}",
-            decrypted_event
-        );
 
         if let Ok(e) = decrypted_event.deserialize() {
-            self.verification_machine
+            self.verification_machine.receive_room_event(room_id, &e).await?;
-                .receive_room_event(room_id, &e)
-                .await?;
         }
 
-        let encryption_info = self
+        let encryption_info =
-            .get_encryption_info(&session, &event.sender, &content.device_id)
+            self.get_encryption_info(&session, &event.sender, &content.device_id).await?;
-            .await?;
 
-        Ok(SyncRoomEvent {
+        Ok(SyncRoomEvent { encryption_info: Some(encryption_info), event: decrypted_event })
-            encryption_info: Some(encryption_info),
-            event: decrypted_event,
-        })
     }
 
     /// Update the tracked users.
@@ -1210,17 +1148,11 @@ impl OlmMachine {
 
         let num_sessions = sessions.len();
 
-        let changes = Changes {
+        let changes = Changes { inbound_group_sessions: sessions, ..Default::default() };
-            inbound_group_sessions: sessions,
-            ..Default::default()
-        };
 
         self.store.save_changes(changes).await?;
 
-        info!(
+        info!("Successfully imported {} inbound group sessions", num_sessions);
-            "Successfully imported {} inbound group sessions",
-            num_sessions
-        );
 
         Ok((num_sessions, total_sessions))
     }
@@ -1288,15 +1220,6 @@ pub(crate) mod test {
     };
 
     use http::Response;
-    use serde_json::json;
-
-    use crate::{
-        machine::OlmMachine,
-        olm::Utility,
-        verification::test::{outgoing_request_to_event, request_to_event},
-        EncryptionSettings, ReadOnlyDevice, ToDeviceRequest,
-    };
-
     use matrix_sdk_common::{
         api::r0::keys::{claim_keys, get_keys, upload_keys, OneTimeKey},
         events::{
@@ -1313,6 +1236,14 @@ pub(crate) mod test {
         IncomingResponse, Raw,
     };
     use matrix_sdk_test::test_json;
+    use serde_json::json;
+
+    use crate::{
+        machine::OlmMachine,
+        olm::Utility,
+        verification::test::{outgoing_request_to_event, request_to_event},
+        EncryptionSettings, ReadOnlyDevice, ToDeviceRequest,
+    };
 
     /// These keys need to be periodically uploaded to the server.
     type OneTimeKeys = BTreeMap<DeviceKeyId, OneTimeKey>;
@@ -1332,10 +1263,7 @@ pub(crate) mod test {
     }
 
     pub fn response_from_file(json: &serde_json::Value) -> Response<Vec<u8>> {
-        Response::builder()
+        Response::builder().status(200).body(json.to_string().as_bytes().to_vec()).unwrap()
-            .status(200)
-            .body(json.to_string().as_bytes().to_vec())
-            .unwrap()
     }
 
     fn keys_upload_response() -> upload_keys::Response {
@@ -1354,15 +1282,7 @@ pub(crate) mod test {
         let to_device_request = &requests[0];
 
         let content: Raw<EncryptedEventContent> = serde_json::from_str(
-            to_device_request
+            to_device_request.messages.values().next().unwrap().values().next().unwrap().get(),
-                .messages
-                .values()
-                .next()
-                .unwrap()
-                .values()
-                .next()
-                .unwrap()
-                .get(),
         )
         .unwrap();
 
@@ -1372,15 +1292,9 @@ pub(crate) mod test {
     pub(crate) async fn get_prepared_machine() -> (OlmMachine, OneTimeKeys) {
         let machine = OlmMachine::new(&user_id(), &alice_device_id());
         machine.account.inner.update_uploaded_key_count(0);
-        let request = machine
+        let request = machine.keys_for_upload().await.expect("Can't prepare initial key upload");
-            .keys_for_upload()
-            .await
-            .expect("Can't prepare initial key upload");
         let response = keys_upload_response();
-        machine
+        machine.receive_keys_upload_response(&response).await.unwrap();
-            .receive_keys_upload_response(&response)
-            .await
-            .unwrap();
 
         (machine, request.one_time_keys.unwrap())
     }
@@ -1389,10 +1303,7 @@ pub(crate) mod test {
         let (machine, otk) = get_prepared_machine().await;
         let response = keys_query_response();
 
-        machine
+        machine.receive_keys_query_response(&response).await.unwrap();
-            .receive_keys_query_response(&response)
-            .await
-            .unwrap();
 
         (machine, otk)
     }
@@ -1435,28 +1346,15 @@ pub(crate) mod test {
     async fn get_machine_pair_with_setup_sessions() -> (OlmMachine, OlmMachine) {
         let (alice, bob) = get_machine_pair_with_session().await;
 
-        let bob_device = alice
+        let bob_device = alice.get_device(&bob.user_id, &bob.device_id).await.unwrap().unwrap();
-            .get_device(&bob.user_id, &bob.device_id)
-            .await
-            .unwrap()
-            .unwrap();
 
-        let (session, content) = bob_device
+        let (session, content) = bob_device.encrypt(EventType::Dummy, json!({})).await.unwrap();
-            .encrypt(EventType::Dummy, json!({}))
-            .await
-            .unwrap();
         alice.store.save_sessions(&[session]).await.unwrap();
 
-        let event = ToDeviceEvent {
+        let event = ToDeviceEvent { sender: alice.user_id().clone(), content };
-            sender: alice.user_id().clone(),
-            content,
-        };
 
         let decrypted = bob.decrypt_to_device_event(&event).await.unwrap();
-        bob.store
+        bob.store.save_sessions(&[decrypted.session.session()]).await.unwrap();
-            .save_sessions(&[decrypted.session.session()])
-            .await
-            .unwrap();
 
         (alice, bob)
     }
@@ -1472,34 +1370,18 @@ pub(crate) mod test {
         let machine = OlmMachine::new(&user_id(), &alice_device_id());
         let mut response = keys_upload_response();
 
-        response
+        response.one_time_key_counts.remove(&DeviceKeyAlgorithm::SignedCurve25519).unwrap();
-            .one_time_key_counts
-            .remove(&DeviceKeyAlgorithm::SignedCurve25519)
-            .unwrap();
 
         assert!(machine.should_upload_keys().await);
-        machine
+        machine.receive_keys_upload_response(&response).await.unwrap();
-            .receive_keys_upload_response(&response)
-            .await
-            .unwrap();
         assert!(machine.should_upload_keys().await);
 
-        response
+        response.one_time_key_counts.insert(DeviceKeyAlgorithm::SignedCurve25519, uint!(10));
-            .one_time_key_counts
+        machine.receive_keys_upload_response(&response).await.unwrap();
-            .insert(DeviceKeyAlgorithm::SignedCurve25519, uint!(10));
-        machine
-            .receive_keys_upload_response(&response)
-            .await
-            .unwrap();
         assert!(machine.should_upload_keys().await);
 
-        response
+        response.one_time_key_counts.insert(DeviceKeyAlgorithm::SignedCurve25519, uint!(50));
-            .one_time_key_counts
+        machine.receive_keys_upload_response(&response).await.unwrap();
-            .insert(DeviceKeyAlgorithm::SignedCurve25519, uint!(50));
-        machine
-            .receive_keys_upload_response(&response)
-            .await
-            .unwrap();
         assert!(!machine.should_upload_keys().await);
     }
 
@@ -1511,20 +1393,12 @@ pub(crate) mod test {
 
         assert!(machine.should_upload_keys().await);
 
-        machine
+        machine.receive_keys_upload_response(&response).await.unwrap();
-            .receive_keys_upload_response(&response)
-            .await
-            .unwrap();
         assert!(machine.should_upload_keys().await);
         assert!(machine.account.generate_one_time_keys().await.is_ok());
 
-        response
+        response.one_time_key_counts.insert(DeviceKeyAlgorithm::SignedCurve25519, uint!(50));
-            .one_time_key_counts
+        machine.receive_keys_upload_response(&response).await.unwrap();
-            .insert(DeviceKeyAlgorithm::SignedCurve25519, uint!(50));
-        machine
-            .receive_keys_upload_response(&response)
-            .await
-            .unwrap();
         assert!(machine.account.generate_one_time_keys().await.is_err());
     }
 
@@ -1551,14 +1425,8 @@ pub(crate) mod test {
         let machine = OlmMachine::new(&user_id(), &alice_device_id());
         let room_id = room_id!("!test:example.org");
 
-        machine
+        machine.create_outbound_group_session_with_defaults(&room_id).await.unwrap();
-            .create_outbound_group_session_with_defaults(&room_id)
+        assert!(machine.group_session_manager.get_outbound_group_session(&room_id).is_some());
-            .await
-            .unwrap();
-        assert!(machine
-            .group_session_manager
-            .get_outbound_group_session(&room_id)
-            .is_some());
 
         machine.invalidate_group_session(&room_id).await.unwrap();
 
@@ -1614,10 +1482,8 @@ pub(crate) mod test {
         let identity_keys = machine.account.identity_keys();
         let ed25519_key = identity_keys.ed25519();
 
-        let mut request = machine
+        let mut request =
-            .keys_for_upload()
+            machine.keys_for_upload().await.expect("Can't prepare initial key upload");
-            .await
-            .expect("Can't prepare initial key upload");
 
         let utility = Utility::new();
         let ret = utility.verify_json(
@@ -1640,15 +1506,10 @@ pub(crate) mod test {
         let mut response = keys_upload_response();
         response.one_time_key_counts.insert(
             DeviceKeyAlgorithm::SignedCurve25519,
-            (request.one_time_keys.unwrap().len() as u64)
+            (request.one_time_keys.unwrap().len() as u64).try_into().unwrap(),
-                .try_into()
-                .unwrap(),
         );
 
-        machine
+        machine.receive_keys_upload_response(&response).await.unwrap();
-            .receive_keys_upload_response(&response)
-            .await
-            .unwrap();
 
         let ret = machine.keys_for_upload().await;
         assert!(ret.is_none());
@@ -1664,17 +1525,9 @@ pub(crate) mod test {
         let alice_devices = machine.store.get_user_devices(&alice_id).await.unwrap();
         assert!(alice_devices.devices().peekable().peek().is_none());
 
-        machine
+        machine.receive_keys_query_response(&response).await.unwrap();
-            .receive_keys_query_response(&response)
-            .await
-            .unwrap();
 
-        let device = machine
+        let device = machine.store.get_device(&alice_id, alice_device_id).await.unwrap().unwrap();
-            .store
-            .get_device(&alice_id, alice_device_id)
-            .await
-            .unwrap()
-            .unwrap();
         assert_eq!(device.user_id(), &alice_id);
         assert_eq!(device.device_id(), alice_device_id);
     }
@@ -1686,11 +1539,8 @@ pub(crate) mod test {
         let alice = alice_id();
         let alice_device = alice_device_id();
 
-        let (_, missing_sessions) = machine
+        let (_, missing_sessions) =
-            .get_missing_sessions(&mut [alice.clone()].iter())
+            machine.get_missing_sessions(&mut [alice.clone()].iter()).await.unwrap().unwrap();
-            .await
-            .unwrap()
-            .unwrap();
 
         assert!(missing_sessions.one_time_keys.contains_key(&alice));
         let user_sessions = missing_sessions.one_time_keys.get(&alice).unwrap();
@@ -1713,10 +1563,7 @@ pub(crate) mod test {
 
         let response = claim_keys::Response::new(one_time_keys);
 
-        alice_machine
+        alice_machine.receive_keys_claim_response(&response).await.unwrap();
-            .receive_keys_claim_response(&response)
-            .await
-            .unwrap();
 
         let session = alice_machine
             .store
@@ -1732,28 +1579,14 @@ pub(crate) mod test {
     async fn test_olm_encryption() {
         let (alice, bob) = get_machine_pair_with_session().await;
 
-        let bob_device = alice
+        let bob_device = alice.get_device(&bob.user_id, &bob.device_id).await.unwrap().unwrap();
-            .get_device(&bob.user_id, &bob.device_id)
-            .await
-            .unwrap()
-            .unwrap();
 
         let event = ToDeviceEvent {
             sender: alice.user_id().clone(),
-            content: bob_device
+            content: bob_device.encrypt(EventType::Dummy, json!({})).await.unwrap().1,
-                .encrypt(EventType::Dummy, json!({}))
-                .await
-                .unwrap()
-                .1,
         };
 
-        let event = bob
+        let event = bob.decrypt_to_device_event(&event).await.unwrap().event.deserialize().unwrap();
-            .decrypt_to_device_event(&event)
-            .await
-            .unwrap()
-            .event
-            .deserialize()
-            .unwrap();
 
         if let AnyToDeviceEvent::Dummy(e) = event {
             assert_eq!(&e.sender, alice.user_id());
@@ -1782,17 +1615,12 @@ pub(crate) mod test {
             content: to_device_requests_to_content(to_device_requests),
         };
 
-        let alice_session = alice
+        let alice_session =
-            .group_session_manager
+            alice.group_session_manager.get_outbound_group_session(&room_id).unwrap();
-            .get_outbound_group_session(&room_id)
-            .unwrap();
 
         let decrypted = bob.decrypt_to_device_event(&event).await.unwrap();
 
-        bob.store
+        bob.store.save_sessions(&[decrypted.session.session()]).await.unwrap();
-            .save_sessions(&[decrypted.session.session()])
-            .await
-            .unwrap();
         bob.store
             .save_inbound_group_sessions(&[decrypted.inbound_group_session.unwrap()])
             .await
@@ -1837,25 +1665,16 @@ pub(crate) mod test {
             content: to_device_requests_to_content(to_device_requests),
         };
 
-        let group_session = bob
+        let group_session =
-            .decrypt_to_device_event(&event)
+            bob.decrypt_to_device_event(&event).await.unwrap().inbound_group_session;
-            .await
+        bob.store.save_inbound_group_sessions(&[group_session.unwrap()]).await.unwrap();
-            .unwrap()
-            .inbound_group_session;
-        bob.store
-            .save_inbound_group_sessions(&[group_session.unwrap()])
-            .await
-            .unwrap();
 
         let plaintext = "It is a secret to everybody";
 
         let content = MessageEventContent::text_plain(plaintext);
 
         let encrypted_content = alice
-            .encrypt(
+            .encrypt(&room_id, AnyMessageEventContent::RoomMessage(content.clone()))
-                &room_id,
-                AnyMessageEventContent::RoomMessage(content.clone()),
-            )
             .await
             .unwrap();
 
@@ -1867,13 +1686,8 @@ pub(crate) mod test {
             unsigned: Unsigned::default(),
         };
 
-        let decrypted_event = bob
+        let decrypted_event =
-            .decrypt_room_event(&event, &room_id)
+            bob.decrypt_room_event(&event, &room_id).await.unwrap().event.deserialize().unwrap();
-            .await
-            .unwrap()
-            .event
-            .deserialize()
-            .unwrap();
 
         if let AnySyncRoomEvent::Message(AnySyncMessageEvent::RoomMessage(SyncMessageEvent {
             sender,
@@ -1912,10 +1726,7 @@ pub(crate) mod test {
         let device_id = machine.device_id().to_owned();
         let ed25519_key = machine.identity_keys().ed25519().to_owned();
 
-        machine
+        machine.receive_keys_upload_response(&keys_upload_response()).await.unwrap();
-            .receive_keys_upload_response(&keys_upload_response())
-            .await
-            .unwrap();
 
         drop(machine);
 
@@ -1937,11 +1748,7 @@ pub(crate) mod test {
     async fn interactive_verification() {
         let (alice, bob) = get_machine_pair_with_setup_sessions().await;
 
-        let bob_device = alice
+        let bob_device = alice.get_device(bob.user_id(), bob.device_id()).await.unwrap().unwrap();
-            .get_device(bob.user_id(), bob.device_id())
-            .await
-            .unwrap()
-            .unwrap();
 
         assert!(!bob_device.is_trusted());
 
@@ -1955,10 +1762,7 @@ pub(crate) mod test {
         assert!(alice_sas.emoji().is_none());
         assert!(bob_sas.emoji().is_none());
 
-        let event = bob_sas
+        let event = bob_sas.accept().map(|r| request_to_event(bob.user_id(), &r)).unwrap();
-            .accept()
-            .map(|r| request_to_event(bob.user_id(), &r))
-            .unwrap();
 
         alice.handle_verification_event(&event).await;
 
@@ -2007,11 +1811,8 @@ pub(crate) mod test {
         assert!(alice_sas.is_done());
         assert!(bob_device.is_trusted());
 
-        let alice_device = bob
+        let alice_device =
-            .get_device(alice.user_id(), alice.device_id())
+            bob.get_device(alice.user_id(), alice.device_id()).await.unwrap().unwrap();
-            .await
-            .unwrap()
-            .unwrap();
 
         assert!(!alice_device.is_trusted());
         bob.handle_verification_event(&event).await;

matrix_sdk_crypto/src/olm/account.rs

@@ -12,10 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use matrix_sdk_common::events::ToDeviceEvent;
-use serde::{Deserialize, Serialize};
-use serde_json::{json, Value};
-use sha2::{Digest, Sha256};
 use std::{
     collections::BTreeMap,
     convert::{TryFrom, TryInto},
@@ -26,7 +22,6 @@ use std::{
         Arc,
     },
 };
-use tracing::{debug, trace, warn};
 
 #[cfg(test)]
 use matrix_sdk_common::events::EventType;
@@ -37,7 +32,7 @@ use matrix_sdk_common::{
     encryption::DeviceKeys,
     events::{
         room::encrypted::{EncryptedEventContent, EncryptedEventScheme},
-        AnyToDeviceEvent,
+        AnyToDeviceEvent, ToDeviceEvent,
     },
     identifiers::{
         DeviceId, DeviceIdBox, DeviceKeyAlgorithm, DeviceKeyId, EventEncryptionAlgorithm, RoomId,
@@ -53,7 +48,15 @@ use olm_rs::{
     session::{OlmMessage, PreKeyMessage},
     PicklingMode,
 };
+use serde::{Deserialize, Serialize};
+use serde_json::{json, Value};
+use sha2::{Digest, Sha256};
+use tracing::{debug, trace, warn};
 
+use super::{
+    EncryptionSettings, InboundGroupSession, OutboundGroupSession, PrivateCrossSigningIdentity,
+    Session,
+};
 use crate::{
     error::{EventError, OlmResult, SessionCreationError},
     identities::ReadOnlyDevice,
@@ -63,11 +66,6 @@ use crate::{
     OlmError,
 };
 
-use super::{
-    EncryptionSettings, InboundGroupSession, OutboundGroupSession, PrivateCrossSigningIdentity,
-    Session,
-};
-
 #[derive(Debug, Clone)]
 pub struct Account {
     pub(crate) inner: ReadOnlyAccount,
@@ -141,10 +139,8 @@ impl Account {
 
         // Try to find a ciphertext that was meant for our device.
         if let Some(ciphertext) = own_ciphertext {
-            let message_type: u8 = ciphertext
+            let message_type: u8 =
-                .message_type
+                ciphertext.message_type.try_into().map_err(|_| EventError::UnsupportedOlmType)?;
-                .try_into()
-                .map_err(|_| EventError::UnsupportedOlmType)?;
 
             let sha = Sha256::new()
                 .chain(&content.sender_key)
@@ -162,10 +158,8 @@ impl Account {
                     .map_err(|_| EventError::UnsupportedOlmType)?;
 
             // Decrypt the OlmMessage and get a Ruma event out of it.
-            let (session, event, signing_key) = match self
+            let (session, event, signing_key) =
-                .decrypt_olm_message(&event.sender, &content.sender_key, message)
+                match self.decrypt_olm_message(&event.sender, &content.sender_key, message).await {
-                .await
-            {
                     Ok(d) => d,
                     Err(OlmError::SessionWedged(user_id, sender_key)) => {
                         if self.store.is_message_known(&message_hash).await? {
@@ -210,9 +204,8 @@ impl Account {
         }
         self.inner.mark_as_shared();
 
-        let one_time_key_count = response
+        let one_time_key_count =
-            .one_time_key_counts
+            response.one_time_key_counts.get(&DeviceKeyAlgorithm::SignedCurve25519);
-            .get(&DeviceKeyAlgorithm::SignedCurve25519);
 
         let count: u64 = one_time_key_count.map_or(0, |c| (*c).into());
         debug!(
@@ -297,9 +290,8 @@ impl Account {
         message: OlmMessage,
     ) -> OlmResult<(SessionType, Raw<AnyToDeviceEvent>, String)> {
         // First try to decrypt using an existing session.
-        let (session, plaintext) = if let Some(d) = self
+        let (session, plaintext) = if let Some(d) =
-            .try_decrypt_olm_message(sender, sender_key, &message)
+            self.try_decrypt_olm_message(sender, sender_key, &message).await?
-            .await?
         {
             // Decryption succeeded, de-structure the session/plaintext out of
             // the Option.
@@ -316,19 +308,13 @@ impl Account {
                           available sessions {} {}",
                         sender, sender_key
                     );
-                    return Err(OlmError::SessionWedged(
+                    return Err(OlmError::SessionWedged(sender.to_owned(), sender_key.to_owned()));
-                        sender.to_owned(),
-                        sender_key.to_owned(),
-                    ));
                 }
 
                 OlmMessage::PreKey(m) => {
                     // Create the new session.
-                    let session = match self
+                    let session =
-                        .inner
+                        match self.inner.create_inbound_session(sender_key, m.clone()).await {
-                        .create_inbound_session(sender_key, m.clone())
-                        .await
-                    {
                             Ok(s) => s,
                             Err(e) => {
                                 warn!(
@@ -428,9 +414,8 @@ impl Account {
             return Err(EventError::MissmatchedKeys.into());
         }
 
-        let signing_key = keys
+        let signing_key =
-            .get(&DeviceKeyAlgorithm::Ed25519)
+            keys.get(&DeviceKeyAlgorithm::Ed25519).ok_or(EventError::MissingSigningKey)?;
-            .ok_or(EventError::MissingSigningKey)?;
 
         Ok((
             Raw::from(serde_json::from_value::<AnyToDeviceEvent>(decrypted_json)?),
@@ -547,8 +532,7 @@ impl ReadOnlyAccount {
     /// * `new_count` - The new count that was reported by the server.
     pub(crate) fn update_uploaded_key_count(&self, new_count: u64) {
         let key_count = i64::try_from(new_count).unwrap_or(i64::MAX);
-        self.uploaded_signed_key_count
+        self.uploaded_signed_key_count.store(key_count, Ordering::Relaxed);
-            .store(key_count, Ordering::Relaxed);
     }
 
     /// Get the currently known uploaded key count.
@@ -631,19 +615,12 @@ impl ReadOnlyAccount {
     /// Returns None if no keys need to be uploaded.
     pub(crate) async fn keys_for_upload(
         &self,
-    ) -> Option<(
+    ) -> Option<(Option<DeviceKeys>, Option<BTreeMap<DeviceKeyId, OneTimeKey>>)> {
-        Option<DeviceKeys>,
-        Option<BTreeMap<DeviceKeyId, OneTimeKey>>,
-    )> {
         if !self.should_upload_keys().await {
             return None;
         }
 
-        let device_keys = if !self.shared() {
+        let device_keys = if !self.shared() { Some(self.device_keys().await) } else { None };
-            Some(self.device_keys().await)
-        } else {
-            None
-        };
 
         let one_time_keys = self.signed_one_time_keys().await.ok();
 
@@ -666,7 +643,8 @@ impl ReadOnlyAccount {
     ///
     /// # Arguments
     ///
-    /// * `pickle_mode` - The mode that was used to pickle the account, either an
+    /// * `pickle_mode` - The mode that was used to pickle the account, either
+    ///   an
     /// unencrypted mode or an encrypted using passphrase.
     pub async fn pickle(&self, pickle_mode: PicklingMode) -> PickledAccount {
         let pickle = AccountPickle(self.inner.lock().await.pickle(pickle_mode));
@@ -686,7 +664,8 @@ impl ReadOnlyAccount {
     ///
     /// * `pickle` - The pickled version of the Account.
     ///
-    /// * `pickle_mode` - The mode that was used to pickle the account, either an
+    /// * `pickle_mode` - The mode that was used to pickle the account, either
+    ///   an
     /// unencrypted mode or an encrypted using passphrase.
     pub fn from_pickle(
         pickle: PickledAccount,
@@ -742,11 +721,7 @@ impl ReadOnlyAccount {
             "keys": device_keys.keys,
         });
 
-        device_keys
+        device_keys.signatures.entry(self.user_id().clone()).or_insert_with(BTreeMap::new).insert(
-            .signatures
-            .entry(self.user_id().clone())
-            .or_insert_with(BTreeMap::new)
-            .insert(
             DeviceKeyId::from_parts(DeviceKeyAlgorithm::Ed25519, &self.device_id),
             self.sign_json(json_device_keys).await,
         );
@@ -756,11 +731,7 @@ impl ReadOnlyAccount {
 
     pub(crate) async fn bootstrap_cross_signing(
         &self,
-    ) -> (
+    ) -> (PrivateCrossSigningIdentity, UploadSigningKeysRequest, SignatureUploadRequest) {
-        PrivateCrossSigningIdentity,
-        UploadSigningKeysRequest,
-        SignatureUploadRequest,
-    ) {
         PrivateCrossSigningIdentity::new_with_account(self).await
     }
 
@@ -873,8 +844,8 @@ impl ReadOnlyAccount {
     /// # Arguments
     /// * `device` - The other account's device.
     ///
-    /// * `key_map` - A map from the algorithm and device id to the one-time
+    /// * `key_map` - A map from the algorithm and device id to the one-time key
-    ///     key that the other account created and shared with us.
+    ///   that the other account created and shared with us.
     pub(crate) async fn create_outbound_session(
         &self,
         device: ReadOnlyDevice,
@@ -911,18 +882,14 @@ impl ReadOnlyAccount {
             )
         })?;
 
-        let curve_key = device
+        let curve_key = device.get_key(DeviceKeyAlgorithm::Curve25519).ok_or_else(|| {
-            .get_key(DeviceKeyAlgorithm::Curve25519)
-            .ok_or_else(|| {
             SessionCreationError::DeviceMissingCurveKey(
                 device.user_id().to_owned(),
                 device.device_id().into(),
             )
         })?;
 
-        self.create_outbound_session_helper(curve_key, &one_time_key)
+        self.create_outbound_session_helper(curve_key, &one_time_key).await.map_err(|e| {
-            .await
-            .map_err(|e| {
             SessionCreationError::OlmError(
                 device.user_id().to_owned(),
                 device.device_id().into(),
@@ -946,17 +913,10 @@ impl ReadOnlyAccount {
         their_identity_key: &str,
         message: PreKeyMessage,
     ) -> Result<Session, OlmSessionError> {
-        let session = self
+        let session =
-            .inner
+            self.inner.lock().await.create_inbound_session_from(their_identity_key, message)?;
-            .lock()
-            .await
-            .create_inbound_session_from(their_identity_key, message)?;
 
-        self.inner
+        self.inner.lock().await.remove_one_time_keys(&session).expect(
-            .lock()
-            .await
-            .remove_one_time_keys(&session)
-            .expect(
             "Session was successfully created but the account doesn't hold a matching one-time key",
         );
 
@@ -1028,8 +988,7 @@ impl ReadOnlyAccount {
         &self,
         room_id: &RoomId,
     ) -> Result<(OutboundGroupSession, InboundGroupSession), ()> {
-        self.create_group_session_pair(room_id, EncryptionSettings::default())
+        self.create_group_session_pair(room_id, EncryptionSettings::default()).await
-            .await
     }
 
     #[cfg(test)]
@@ -1039,27 +998,19 @@ impl ReadOnlyAccount {
 
         let device = ReadOnlyDevice::from_account(other).await;
 
-        let mut our_session = self
+        let mut our_session =
-            .create_outbound_session(device.clone(), &one_time)
+            self.create_outbound_session(device.clone(), &one_time).await.unwrap();
-            .await
-            .unwrap();
 
         other.mark_keys_as_published().await;
 
-        let message = our_session
+        let message = our_session.encrypt(&device, EventType::Dummy, json!({})).await.unwrap();
-            .encrypt(&device, EventType::Dummy, json!({}))
-            .await
-            .unwrap();
         let content = if let EncryptedEventScheme::OlmV1Curve25519AesSha2(c) = message.scheme {
             c
         } else {
             panic!("Invalid encrypted event algorithm");
         };
 
-        let own_ciphertext = content
+        let own_ciphertext = content.ciphertext.get(other.identity_keys.curve25519()).unwrap();
-            .ciphertext
-            .get(other.identity_keys.curve25519())
-            .unwrap();
         let message_type: u8 = own_ciphertext.message_type.try_into().unwrap();
 
         let message =

matrix_sdk_crypto/src/olm/group_sessions/inbound.rs

@@ -19,19 +19,6 @@ use std::{
     sync::Arc,
 };
 
-use olm_rs::{
-    errors::OlmGroupSessionError, inbound_group_session::OlmInboundGroupSession, PicklingMode,
-};
-use serde::{Deserialize, Serialize};
-use serde_json::Value;
-use zeroize::Zeroizing;
-
-pub use olm_rs::{
-    account::IdentityKeys,
-    session::{OlmMessage, PreKeyMessage},
-    utility::OlmUtility,
-};
-
 use matrix_sdk_common::{
     events::{
         forwarded_room_key::ForwardedRoomKeyToDeviceEventContent,
@@ -45,6 +32,17 @@ use matrix_sdk_common::{
     locks::Mutex,
     Raw,
 };
+pub use olm_rs::{
+    account::IdentityKeys,
+    session::{OlmMessage, PreKeyMessage},
+    utility::OlmUtility,
+};
+use olm_rs::{
+    errors::OlmGroupSessionError, inbound_group_session::OlmInboundGroupSession, PicklingMode,
+};
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use zeroize::Zeroizing;
 
 use super::{ExportedGroupSessionKey, ExportedRoomKey, GroupSessionKey};
 use crate::error::{EventError, MegolmResult};
@@ -149,10 +147,8 @@ impl InboundGroupSession {
         forwarding_chains.push(sender_key.to_owned());
 
         let mut sender_claimed_key = BTreeMap::new();
-        sender_claimed_key.insert(
+        sender_claimed_key
-            DeviceKeyAlgorithm::Ed25519,
+            .insert(DeviceKeyAlgorithm::Ed25519, content.sender_claimed_ed25519_key.to_owned());
-            content.sender_claimed_ed25519_key.to_owned(),
-        );
 
         Ok(InboundGroupSession {
             inner: Mutex::new(session).into(),
@@ -219,11 +215,7 @@ impl InboundGroupSession {
         let message_index = std::cmp::max(self.first_known_index(), message_index);
 
         let session_key = ExportedGroupSessionKey(
-            self.inner
+            self.inner.lock().await.export(message_index).expect("Can't export session"),
-                .lock()
-                .await
-                .export(message_index)
-                .expect("Can't export session"),
         );
 
         ExportedRoomKey {
@@ -316,9 +308,7 @@ impl InboundGroupSession {
         let (plaintext, message_index) = self.decrypt_helper(content.ciphertext.clone()).await?;
 
         let mut decrypted_value = serde_json::from_str::<Value>(&plaintext)?;
-        let decrypted_object = decrypted_value
+        let decrypted_object = decrypted_value.as_object_mut().ok_or(EventError::NotAnObject)?;
-            .as_object_mut()
-            .ok_or(EventError::NotAnObject)?;
 
         // TODO better number conversion here.
         let server_ts = event
@@ -337,10 +327,8 @@ impl InboundGroupSession {
             serde_json::to_value(&event.unsigned).unwrap_or_default(),
         );
 
-        if let Some(decrypted_content) = decrypted_object
+        if let Some(decrypted_content) =
-            .get_mut("content")
+            decrypted_object.get_mut("content").map(|c| c.as_object_mut()).flatten()
-            .map(|c| c.as_object_mut())
-            .flatten()
         {
             if !decrypted_content.contains_key("m.relates_to") {
                 if let Some(relation) = &event.content.relates_to {
@@ -352,19 +340,14 @@ impl InboundGroupSession {
             }
         }
 
-        Ok((
+        Ok((serde_json::from_value::<Raw<AnySyncRoomEvent>>(decrypted_value)?, message_index))
-            serde_json::from_value::<Raw<AnySyncRoomEvent>>(decrypted_value)?,
-            message_index,
-        ))
     }
 }
 
 #[cfg(not(tarpaulin_include))]
 impl fmt::Debug for InboundGroupSession {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("InboundGroupSession")
+        f.debug_struct("InboundGroupSession").field("session_id", &self.session_id()).finish()
-            .field("session_id", &self.session_id())
-            .finish()
     }
 }
 
@@ -399,7 +382,8 @@ pub struct PickledInboundGroupSession {
     pub history_visibility: Option<HistoryVisibility>,
 }
 
-/// The typed representation of a base64 encoded string of the GroupSession pickle.
+/// The typed representation of a base64 encoded string of the GroupSession
+/// pickle.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct InboundGroupSessionPickle(String);
 

matrix_sdk_crypto/src/olm/group_sessions/mod.rs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use std::{collections::BTreeMap, convert::TryInto};
+
 use matrix_sdk_common::{
     events::forwarded_room_key::{
         ForwardedRoomKeyToDeviceEventContent, ForwardedRoomKeyToDeviceEventContentInit,
@@ -19,7 +21,6 @@ use matrix_sdk_common::{
     identifiers::{DeviceKeyAlgorithm, EventEncryptionAlgorithm, RoomId},
 };
 use serde::{Deserialize, Serialize};
-use std::{collections::BTreeMap, convert::TryInto};
 use zeroize::Zeroize;
 
 mod inbound;
@@ -107,10 +108,8 @@ impl From<ForwardedRoomKeyToDeviceEventContent> for ExportedRoomKey {
     /// Convert the content of a forwarded room key into a exported room key.
     fn from(forwarded_key: ForwardedRoomKeyToDeviceEventContent) -> Self {
         let mut sender_claimed_keys: BTreeMap<DeviceKeyAlgorithm, String> = BTreeMap::new();
-        sender_claimed_keys.insert(
+        sender_claimed_keys
-            DeviceKeyAlgorithm::Ed25519,
+            .insert(DeviceKeyAlgorithm::Ed25519, forwarded_key.sender_claimed_ed25519_key);
-            forwarded_key.sender_claimed_ed25519_key,
-        );
 
         Self {
             algorithm: forwarded_key.algorithm,
@@ -142,10 +141,7 @@ mod test {
     #[tokio::test]
     #[cfg(target_os = "linux")]
     async fn expiration() {
-        let settings = EncryptionSettings {
+        let settings = EncryptionSettings { rotation_period_msgs: 1, ..Default::default() };
-            rotation_period_msgs: 1,
-            ..Default::default()
-        };
 
         let account = ReadOnlyAccount::new(&user_id!("@alice:example.org"), "DEVICEID".into());
         let (session, _) = account
@@ -155,9 +151,9 @@ mod test {
 
         assert!(!session.expired());
         let _ = session
-            .encrypt(AnyMessageEventContent::RoomMessage(
+            .encrypt(AnyMessageEventContent::RoomMessage(MessageEventContent::text_plain(
-                MessageEventContent::text_plain("Test message"),
+                "Test message",
-            ))
+            )))
             .await;
         assert!(session.expired());
 

matrix_sdk_crypto/src/olm/group_sessions/outbound.rs

@@ -12,15 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use dashmap::DashMap;
-use matrix_sdk_common::{
-    api::r0::to_device::DeviceIdOrAllDevices,
-    events::room::{
-        encrypted::MegolmV1AesSha2ContentInit, history_visibility::HistoryVisibility,
-        message::Relation,
-    },
-    uuid::Uuid,
-};
 use std::{
     cmp::max,
     collections::BTreeMap,
@@ -31,23 +22,24 @@ use std::{
     },
     time::Duration,
 };
-use tracing::{debug, error, trace};
 
+use dashmap::DashMap;
 use matrix_sdk_common::{
+    api::r0::to_device::DeviceIdOrAllDevices,
     events::{
         room::{
-            encrypted::{EncryptedEventContent, EncryptedEventScheme},
+            encrypted::{EncryptedEventContent, EncryptedEventScheme, MegolmV1AesSha2ContentInit},
             encryption::EncryptionEventContent,
+            history_visibility::HistoryVisibility,
+            message::Relation,
         },
         AnyMessageEventContent, EventContent,
     },
     identifiers::{DeviceId, DeviceIdBox, EventEncryptionAlgorithm, RoomId, UserId},
     instant::Instant,
     locks::Mutex,
+    uuid::Uuid,
 };
-use serde::{Deserialize, Serialize};
-use serde_json::{json, Value};
-
 pub use olm_rs::{
     account::IdentityKeys,
     session::{OlmMessage, PreKeyMessage},
@@ -56,13 +48,15 @@ pub use olm_rs::{
 use olm_rs::{
     errors::OlmGroupSessionError, outbound_group_session::OlmOutboundGroupSession, PicklingMode,
 };
-
+use serde::{Deserialize, Serialize};
-use crate::ToDeviceRequest;
+use serde_json::{json, Value};
+use tracing::{debug, error, trace};
 
 use super::{
     super::{deserialize_instant, serialize_instant},
     GroupSessionKey,
 };
+use crate::ToDeviceRequest;
 
 const ROTATION_PERIOD: Duration = Duration::from_millis(604800000);
 const ROTATION_MESSAGES: u64 = 100;
@@ -102,12 +96,10 @@ impl EncryptionSettings {
     /// Create new encryption settings using an `EncryptionEventContent` and a
     /// history visibility.
     pub fn new(content: EncryptionEventContent, history_visibility: HistoryVisibility) -> Self {
-        let rotation_period: Duration = content
+        let rotation_period: Duration =
-            .rotation_period_ms
+            content.rotation_period_ms.map_or(ROTATION_PERIOD, |r| Duration::from_millis(r.into()));
-            .map_or(ROTATION_PERIOD, |r| Duration::from_millis(r.into()));
+        let rotation_period_msgs: u64 =
-        let rotation_period_msgs: u64 = content
+            content.rotation_period_msgs.map_or(ROTATION_MESSAGES, Into::into);
-            .rotation_period_msgs
-            .map_or(ROTATION_MESSAGES, Into::into);
 
         Self {
             algorithm: content.algorithm,
@@ -186,8 +178,7 @@ impl OutboundGroupSession {
         request: Arc<ToDeviceRequest>,
         message_index: u32,
     ) {
-        self.to_share_with_set
+        self.to_share_with_set.insert(request_id, (request, message_index));
-            .insert(request_id, (request, message_index));
     }
 
     /// This should be called if an the user wishes to rotate this session.
@@ -225,10 +216,7 @@ impl OutboundGroupSession {
             });
 
             user_pairs.for_each(|(u, d)| {
-                self.shared_with_set
+                self.shared_with_set.entry(u).or_insert_with(DashMap::new).extend(d);
-                    .entry(u)
-                    .or_insert_with(DashMap::new)
-                    .extend(d);
             });
 
             if self.to_share_with_set.is_empty() {
@@ -241,11 +229,8 @@ impl OutboundGroupSession {
                 self.mark_as_shared();
             }
         } else {
-            let request_ids: Vec<String> = self
+            let request_ids: Vec<String> =
-                .to_share_with_set
+                self.to_share_with_set.iter().map(|e| e.key().to_string()).collect();
-                .iter()
-                .map(|e| e.key().to_string())
-                .collect();
 
             error!(
                 all_request_ids = ?request_ids,
@@ -296,11 +281,7 @@ impl OutboundGroupSession {
 
         let relates_to: Option<Relation> = json_content
             .get("content")
-            .map(|c| {
+            .map(|c| c.get("m.relates_to").cloned().map(|r| serde_json::from_value(r).ok()))
-                c.get("m.relates_to")
-                    .cloned()
-                    .map(|r| serde_json::from_value(r).ok())
-            })
             .flatten()
             .flatten();
 
@@ -443,10 +424,7 @@ impl OutboundGroupSession {
     /// Get the list of requests that need to be sent out for this session to be
     /// marked as shared.
     pub(crate) fn pending_requests(&self) -> Vec<Arc<ToDeviceRequest>> {
-        self.to_share_with_set
+        self.to_share_with_set.iter().map(|i| i.value().0.clone()).collect()
-            .iter()
-            .map(|i| i.value().0.clone())
-            .collect()
     }
 
     /// Get the list of request ids this session is waiting for to be sent out.
@@ -507,7 +485,8 @@ impl OutboundGroupSession {
     ///
     /// # Arguments
     ///
-    /// * `pickle_mode` - The mode that should be used to pickle the group session,
+    /// * `pickle_mode` - The mode that should be used to pickle the group
+    ///   session,
     /// either an unencrypted mode or an encrypted using passphrase.
     pub async fn pickle(&self, pickling_mode: PicklingMode) -> PickledOutboundGroupSession {
         let pickle: OutboundGroupSessionPickle =
@@ -528,10 +507,7 @@ impl OutboundGroupSession {
                     (
                         u.key().clone(),
                         #[allow(clippy::map_clone)]
-                        u.value()
+                        u.value().iter().map(|d| (d.key().clone(), *d.value())).collect(),
-                            .iter()
-                            .map(|d| (d.key().clone(), *d.value()))
-                            .collect(),
                     )
                 })
                 .collect(),
@@ -578,10 +554,7 @@ pub struct PickledOutboundGroupSession {
     /// The room id this session is used for.
     pub room_id: Arc<RoomId>,
     /// The timestamp when this session was created.
-    #[serde(
+    #[serde(deserialize_with = "deserialize_instant", serialize_with = "serialize_instant")]
-        deserialize_with = "deserialize_instant",
-        serialize_with = "serialize_instant"
-    )]
     pub creation_time: Instant,
     /// The number of messages this session has already encrypted.
     pub message_count: u64,

matrix_sdk_crypto/src/olm/mod.rs

@@ -30,14 +30,13 @@ pub use group_sessions::{
     OutboundGroupSession, PickledInboundGroupSession, PickledOutboundGroupSession,
 };
 pub(crate) use group_sessions::{GroupSessionKey, ShareState};
+use matrix_sdk_common::instant::{Duration, Instant};
 pub use olm_rs::{account::IdentityKeys, PicklingMode};
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
 pub use session::{PickledSession, Session, SessionPickle};
 pub use signing::{PickledCrossSigningIdentity, PrivateCrossSigningIdentity};
 pub(crate) use utility::Utility;
 
-use matrix_sdk_common::instant::{Duration, Instant};
-use serde::{Deserialize, Deserializer, Serialize, Serializer};
-
 pub(crate) fn serialize_instant<S>(instant: &Instant, serializer: S) -> Result<S::Ok, S::Error>
 where
     S: Serializer,
@@ -60,14 +59,16 @@ where
 
 #[cfg(test)]
 pub(crate) mod test {
-    use crate::olm::{InboundGroupSession, ReadOnlyAccount, Session};
+    use std::{collections::BTreeMap, convert::TryInto};
+
     use matrix_sdk_common::{
         api::r0::keys::SignedKey,
         events::forwarded_room_key::ForwardedRoomKeyToDeviceEventContent,
         identifiers::{room_id, user_id, DeviceId, UserId},
     };
     use olm_rs::session::OlmMessage;
-    use std::{collections::BTreeMap, convert::TryInto};
+
+    use crate::olm::{InboundGroupSession, ReadOnlyAccount, Session};
 
     fn alice_id() -> UserId {
         user_id!("@alice:example.org")
@@ -90,21 +91,12 @@ pub(crate) mod test {
         let bob = ReadOnlyAccount::new(&bob_id(), &bob_device_id());
 
         bob.generate_one_time_keys_helper(1).await;
-        let one_time_key = bob
+        let one_time_key =
-            .one_time_keys()
+            bob.one_time_keys().await.curve25519().iter().next().unwrap().1.to_owned();
-            .await
-            .curve25519()
-            .iter()
-            .next()
-            .unwrap()
-            .1
-            .to_owned();
         let one_time_key = SignedKey::new(one_time_key, BTreeMap::new());
         let sender_key = bob.identity_keys().curve25519().to_owned();
-        let session = alice
+        let session =
-            .create_outbound_session_helper(&sender_key, &one_time_key)
+            alice.create_outbound_session_helper(&sender_key, &one_time_key).await.unwrap();
-            .await
-            .unwrap();
 
         (alice, session)
     }
@@ -120,10 +112,7 @@ pub(crate) mod test {
         assert_ne!(identity_keys.keys().len(), 0);
         assert_ne!(identity_keys.iter().len(), 0);
         assert!(identity_keys.contains_key("ed25519"));
-        assert_eq!(
+        assert_eq!(identity_keys.ed25519(), identity_keys.get("ed25519").unwrap());
-            identity_keys.ed25519(),
-            identity_keys.get("ed25519").unwrap()
-        );
         assert!(!identity_keys.curve25519().is_empty());
 
         account.mark_as_shared();
@@ -147,10 +136,7 @@ pub(crate) mod test {
         assert_ne!(one_time_keys.iter().len(), 0);
         assert!(one_time_keys.contains_key("curve25519"));
         assert_eq!(one_time_keys.curve25519().keys().len(), 10);
-        assert_eq!(
+        assert_eq!(one_time_keys.curve25519(), one_time_keys.get("curve25519").unwrap());
-            one_time_keys.curve25519(),
-            one_time_keys.get("curve25519").unwrap()
-        );
 
         account.mark_keys_as_published().await;
         let one_time_keys = account.one_time_keys().await;
@@ -166,13 +152,7 @@ pub(crate) mod test {
         let one_time_keys = alice.one_time_keys().await;
         alice.mark_keys_as_published().await;
 
-        let one_time_key = one_time_keys
+        let one_time_key = one_time_keys.curve25519().iter().next().unwrap().1.to_owned();
-            .curve25519()
-            .iter()
-            .next()
-            .unwrap()
-            .1
-            .to_owned();
 
         let one_time_key = SignedKey::new(one_time_key, BTreeMap::new());
 
@@ -196,10 +176,7 @@ pub(crate) mod test {
             .await
             .unwrap();
 
-        assert!(alice_session
+        assert!(alice_session.matches(bob_keys.curve25519(), prekey_message).await.unwrap());
-            .matches(bob_keys.curve25519(), prekey_message)
-            .await
-            .unwrap());
 
         assert_eq!(bob_session.session_id(), alice_session.session_id());
 
@@ -212,10 +189,7 @@ pub(crate) mod test {
         let alice = ReadOnlyAccount::new(&alice_id(), &alice_device_id());
         let room_id = room_id!("!test:localhost");
 
-        let (outbound, _) = alice
+        let (outbound, _) = alice.create_group_session_pair_with_defaults(&room_id).await.unwrap();
-            .create_group_session_pair_with_defaults(&room_id)
-            .await
-            .unwrap();
 
         assert_eq!(0, outbound.message_index().await);
         assert!(!outbound.shared());
@@ -238,10 +212,7 @@ pub(crate) mod test {
         let plaintext = "This is a secret to everybody".to_owned();
         let ciphertext = outbound.encrypt_helper(plaintext.clone()).await;
 
-        assert_eq!(
+        assert_eq!(plaintext, inbound.decrypt_helper(ciphertext).await.unwrap().0);
-            plaintext,
-            inbound.decrypt_helper(ciphertext).await.unwrap().0
-        );
     }
 
     #[tokio::test]
@@ -249,10 +220,7 @@ pub(crate) mod test {
         let alice = ReadOnlyAccount::new(&alice_id(), &alice_device_id());
         let room_id = room_id!("!test:localhost");
 
-        let (_, inbound) = alice
+        let (_, inbound) = alice.create_group_session_pair_with_defaults(&room_id).await.unwrap();
-            .create_group_session_pair_with_defaults(&room_id)
-            .await
-            .unwrap();
 
         let export = inbound.export().await;
         let export: ForwardedRoomKeyToDeviceEventContent = export.try_into().unwrap();

matrix_sdk_crypto/src/olm/session.rs

@@ -27,20 +27,18 @@ use matrix_sdk_common::{
     locks::Mutex,
 };
 use olm_rs::{errors::OlmSessionError, session::OlmSession, PicklingMode};
-use serde::{Deserialize, Serialize};
-use serde_json::{json, Value};
-
-use crate::{
-    error::{EventError, OlmResult, SessionUnpicklingError},
-    ReadOnlyDevice,
-};
-
 pub use olm_rs::{
     session::{OlmMessage, PreKeyMessage},
     utility::OlmUtility,
 };
+use serde::{Deserialize, Serialize};
+use serde_json::{json, Value};
 
 use super::{deserialize_instant, serialize_instant, IdentityKeys};
+use crate::{
+    error::{EventError, OlmResult, SessionUnpicklingError},
+    ReadOnlyDevice,
+};
 
 /// Cryptographic session that enables secure communication between two
 /// `Account`s
@@ -121,10 +119,8 @@ impl Session {
             .get_key(DeviceKeyAlgorithm::Ed25519)
             .ok_or(EventError::MissingSigningKey)?;
 
-        let relates_to = content
+        let relates_to =
-            .get("m.relates_to")
+            content.get("m.relates_to").cloned().and_then(|v| serde_json::from_value(v).ok());
-            .cloned()
-            .and_then(|v| serde_json::from_value(v).ok());
 
         let payload = json!({
             "sender": self.user_id.as_str(),
@@ -174,10 +170,7 @@ impl Session {
         their_identity_key: &str,
         message: PreKeyMessage,
     ) -> Result<bool, OlmSessionError> {
-        self.inner
+        self.inner.lock().await.matches_inbound_session_from(their_identity_key, message)
-            .lock()
-            .await
-            .matches_inbound_session_from(their_identity_key, message)
     }
 
     /// Returns the unique identifier for this session.
@@ -259,20 +252,15 @@ pub struct PickledSession {
     /// The curve25519 key of the other user that we share this session with.
     pub sender_key: String,
     /// The relative time elapsed since the session was created.
-    #[serde(
+    #[serde(deserialize_with = "deserialize_instant", serialize_with = "serialize_instant")]
-        deserialize_with = "deserialize_instant",
-        serialize_with = "serialize_instant"
-    )]
     pub creation_time: Instant,
     /// The relative time elapsed since the session was last used.
-    #[serde(
+    #[serde(deserialize_with = "deserialize_instant", serialize_with = "serialize_instant")]
-        deserialize_with = "deserialize_instant",
-        serialize_with = "serialize_instant"
-    )]
     pub last_use_time: Instant,
 }
 
-/// The typed representation of a base64 encoded string of the Olm Session pickle.
+/// The typed representation of a base64 encoded string of the Olm Session
+/// pickle.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct SessionPickle(String);
 

matrix_sdk_crypto/src/olm/signing/mod.rs

@@ -14,8 +14,6 @@
 
 mod pk_signing;
 
-use serde::{Deserialize, Serialize};
-use serde_json::Error as JsonError;
 use std::{
     collections::BTreeMap,
     sync::{
@@ -30,14 +28,15 @@ use matrix_sdk_common::{
     identifiers::{DeviceKeyAlgorithm, DeviceKeyId, UserId},
     locks::Mutex,
 };
+use pk_signing::{MasterSigning, PickledSignings, SelfSigning, Signing, SigningError, UserSigning};
+use serde::{Deserialize, Serialize};
+use serde_json::Error as JsonError;
 
 use crate::{
     error::SignatureError, requests::UploadSigningKeysRequest, OwnUserIdentity, ReadOnlyAccount,
     ReadOnlyDevice, UserIdentity,
 };
 
-use pk_signing::{MasterSigning, PickledSignings, SelfSigning, Signing, SigningError, UserSigning};
-
 /// Private cross signing identity.
 ///
 /// This object holds the private and public ed25519 key triplet that is used
@@ -186,10 +185,7 @@ impl PrivateCrossSigningIdentity {
         signed_keys
             .entry((&*self.user_id).to_owned())
             .or_insert_with(BTreeMap::new)
-            .insert(
+            .insert(device_keys.device_id.to_string(), serde_json::to_value(device_keys)?);
-                device_keys.device_id.to_string(),
-                serde_json::to_value(device_keys)?,
-            );
 
         Ok(SignatureUploadRequest::new(signed_keys))
     }
@@ -229,10 +225,7 @@ impl PrivateCrossSigningIdentity {
                 signature,
             );
 
-        let master = MasterSigning {
+        let master = MasterSigning { inner: master, public_key: public_key.into() };
-            inner: master,
-            public_key: public_key.into(),
-        };
 
         let identity = Self::new_helper(account.user_id(), master).await;
         let signature_request = identity
@@ -250,20 +243,14 @@ impl PrivateCrossSigningIdentity {
         let mut public_key = user.cross_signing_key(user_id.to_owned(), KeyUsage::UserSigning);
         master.sign_subkey(&mut public_key).await;
 
-        let user = UserSigning {
+        let user = UserSigning { inner: user, public_key: public_key.into() };
-            inner: user,
-            public_key: public_key.into(),
-        };
 
         let self_signing = Signing::new();
         let mut public_key =
             self_signing.cross_signing_key(user_id.to_owned(), KeyUsage::SelfSigning);
         master.sign_subkey(&mut public_key).await;
 
-        let self_signing = SelfSigning {
+        let self_signing = SelfSigning { inner: self_signing, public_key: public_key.into() };
-            inner: self_signing,
-            public_key: public_key.into(),
-        };
 
         Self {
             user_id: Arc::new(user_id.to_owned()),
@@ -281,10 +268,7 @@ impl PrivateCrossSigningIdentity {
         let master = Signing::new();
 
         let public_key = master.cross_signing_key(user_id.clone(), KeyUsage::Master);
-        let master = MasterSigning {
+        let master = MasterSigning { inner: master, public_key: public_key.into() };
-            inner: master,
-            public_key: public_key.into(),
-        };
 
         Self::new_helper(&user_id, master).await
     }
@@ -334,11 +318,7 @@ impl PrivateCrossSigningIdentity {
             None
         };
 
-        let pickle = PickledSignings {
+        let pickle = PickledSignings { master_key, user_signing_key, self_signing_key };
-            master_key,
-            user_signing_key,
-            self_signing_key,
-        };
 
         let pickle = serde_json::to_string(&pickle)?;
 
@@ -390,54 +370,35 @@ impl PrivateCrossSigningIdentity {
     /// Get the upload request that is needed to share the public keys of this
     /// identity.
     pub(crate) async fn as_upload_request(&self) -> UploadSigningKeysRequest {
-        let master_key = self
+        let master_key =
-            .master_key
+            self.master_key.lock().await.as_ref().cloned().map(|k| k.public_key.into());
-            .lock()
-            .await
-            .as_ref()
-            .cloned()
-            .map(|k| k.public_key.into());
 
-        let user_signing_key = self
+        let user_signing_key =
-            .user_signing_key
+            self.user_signing_key.lock().await.as_ref().cloned().map(|k| k.public_key.into());
-            .lock()
-            .await
-            .as_ref()
-            .cloned()
-            .map(|k| k.public_key.into());
 
-        let self_signing_key = self
+        let self_signing_key =
-            .self_signing_key
+            self.self_signing_key.lock().await.as_ref().cloned().map(|k| k.public_key.into());
-            .lock()
-            .await
-            .as_ref()
-            .cloned()
-            .map(|k| k.public_key.into());
 
-        UploadSigningKeysRequest {
+        UploadSigningKeysRequest { master_key, self_signing_key, user_signing_key }
-            master_key,
-            self_signing_key,
-            user_signing_key,
-        }
     }
 }
 
 #[cfg(test)]
 mod test {
-    use crate::{
-        identities::{ReadOnlyDevice, UserIdentity},
-        olm::ReadOnlyAccount,
-    };
     use std::{collections::BTreeMap, sync::Arc};
 
-    use super::{PrivateCrossSigningIdentity, Signing};
-
     use matrix_sdk_common::{
         api::r0::keys::CrossSigningKey,
         identifiers::{user_id, UserId},
     };
     use matrix_sdk_test::async_test;
 
+    use super::{PrivateCrossSigningIdentity, Signing};
+    use crate::{
+        identities::{ReadOnlyDevice, UserIdentity},
+        olm::ReadOnlyAccount,
+    };
+
     fn user_id() -> UserId {
         user_id!("@example:localhost")
     }
@@ -481,28 +442,12 @@ mod test {
 
         assert!(master_key
             .public_key
-            .verify_subkey(
+            .verify_subkey(&identity.self_signing_key.lock().await.as_ref().unwrap().public_key,)
-                &identity
-                    .self_signing_key
-                    .lock()
-                    .await
-                    .as_ref()
-                    .unwrap()
-                    .public_key,
-            )
             .is_ok());
 
         assert!(master_key
             .public_key
-            .verify_subkey(
+            .verify_subkey(&identity.user_signing_key.lock().await.as_ref().unwrap().public_key,)
-                &identity
-                    .user_signing_key
-                    .lock()
-                    .await
-                    .as_ref()
-                    .unwrap()
-                    .public_key,
-            )
             .is_ok());
     }
 
@@ -512,15 +457,11 @@ mod test {
 
         let pickled = identity.pickle(pickle_key()).await.unwrap();
 
-        let unpickled = PrivateCrossSigningIdentity::from_pickle(pickled, pickle_key())
+        let unpickled =
-            .await
+            PrivateCrossSigningIdentity::from_pickle(pickled, pickle_key()).await.unwrap();
-            .unwrap();
 
         assert_eq!(identity.user_id, unpickled.user_id);
-        assert_eq!(
+        assert_eq!(&*identity.master_key.lock().await, &*unpickled.master_key.lock().await);
-            &*identity.master_key.lock().await,
-            &*unpickled.master_key.lock().await
-        );
         assert_eq!(
             &*identity.user_signing_key.lock().await,
             &*unpickled.user_signing_key.lock().await
@@ -591,9 +532,6 @@ mod test {
 
         bob_public.master_key = master.into();
 
-        user_signing
+        user_signing.public_key.verify_master_key(bob_public.master_key()).unwrap();
-            .public_key
-            .verify_master_key(bob_public.master_key())
-            .unwrap();
     }
 }

matrix_sdk_crypto/src/olm/signing/pk_signing.rs

@@ -12,32 +12,27 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use std::{collections::BTreeMap, convert::TryInto, sync::Arc};
+
 use aes_gcm::{
     aead::{generic_array::GenericArray, Aead, NewAead},
     Aes256Gcm,
 };
 use getrandom::getrandom;
-use matrix_sdk_common::{
-    encryption::DeviceKeys,
-    identifiers::{DeviceKeyAlgorithm, DeviceKeyId},
-};
-use serde::{Deserialize, Serialize};
-use serde_json::{json, Error as JsonError, Value};
-use std::{collections::BTreeMap, convert::TryInto, sync::Arc};
-use thiserror::Error;
-use zeroize::Zeroizing;
-
-use olm_rs::pk::OlmPkSigning;
-
-#[cfg(test)]
-use olm_rs::{errors::OlmUtilityError, utility::OlmUtility};
-
 use matrix_sdk_common::{
     api::r0::keys::{CrossSigningKey, KeyUsage},
-    identifiers::UserId,
+    encryption::DeviceKeys,
+    identifiers::{DeviceKeyAlgorithm, DeviceKeyId, UserId},
     locks::Mutex,
     CanonicalJsonValue,
 };
+use olm_rs::pk::OlmPkSigning;
+#[cfg(test)]
+use olm_rs::{errors::OlmUtilityError, utility::OlmUtility};
+use serde::{Deserialize, Serialize};
+use serde_json::{json, Error as JsonError, Value};
+use thiserror::Error;
+use zeroize::Zeroizing;
 
 use crate::{
     error::SignatureError,
@@ -73,9 +68,7 @@ pub struct Signing {
 
 impl std::fmt::Debug for Signing {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("Signing")
+        f.debug_struct("Signing").field("public_key", &self.public_key.as_str()).finish()
-            .field("public_key", &self.public_key.as_str())
-            .finish()
     }
 }
 
@@ -156,10 +149,7 @@ impl MasterSigning {
     ) -> Result<Self, SigningError> {
         let inner = Signing::from_pickle(pickle.pickle, pickle_key)?;
 
-        Ok(Self {
+        Ok(Self { inner, public_key: pickle.public_key.into() })
-            inner,
-            public_key: pickle.public_key.into(),
-        })
     }
 
     pub async fn sign_subkey<'a>(&self, subkey: &mut CrossSigningKey) {
@@ -200,10 +190,7 @@ impl UserSigning {
         user: &UserIdentity,
     ) -> Result<BTreeMap<UserId, BTreeMap<String, Value>>, SignatureError> {
         let user_master: &CrossSigningKey = user.master_key().as_ref();
-        let signature = self
+        let signature = self.inner.sign_json(serde_json::to_value(user_master)?).await?;
-            .inner
-            .sign_json(serde_json::to_value(user_master)?)
-            .await?;
 
         let mut signatures = BTreeMap::new();
 
@@ -228,10 +215,7 @@ impl UserSigning {
     ) -> Result<Self, SigningError> {
         let inner = Signing::from_pickle(pickle.pickle, pickle_key)?;
 
-        Ok(Self {
+        Ok(Self { inner, public_key: pickle.public_key.into() })
-            inner,
-            public_key: pickle.public_key.into(),
-        })
     }
 }
 
@@ -279,10 +263,7 @@ impl SelfSigning {
     ) -> Result<Self, SigningError> {
         let inner = Signing::from_pickle(pickle.pickle, pickle_key)?;
 
-        Ok(Self {
+        Ok(Self { inner, public_key: pickle.public_key.into() })
-            inner,
-            public_key: pickle.public_key.into(),
-        })
     }
 }
 
@@ -353,17 +334,12 @@ impl Signing {
         getrandom(&mut nonce).expect("Can't generate nonce to pickle the signing object");
         let nonce = GenericArray::from_slice(nonce.as_slice());
 
-        let ciphertext = cipher
+        let ciphertext =
-            .encrypt(nonce, self.seed.as_slice())
+            cipher.encrypt(nonce, self.seed.as_slice()).expect("Can't encrypt signing pickle");
-            .expect("Can't encrypt signing pickle");
 
         let ciphertext = encode(ciphertext);
 
-        let pickle = InnerPickle {
+        let pickle = InnerPickle { version: 1, nonce: encode(nonce.as_slice()), ciphertext };
-            version: 1,
-            nonce: encode(nonce.as_slice()),
-            ciphertext,
-        };
 
         PickledSigning(serde_json::to_string(&pickle).expect("Can't encode pickled signing"))
     }
@@ -376,10 +352,7 @@ impl Signing {
         let mut keys = BTreeMap::new();
 
         keys.insert(
-            DeviceKeyId::from_parts(
+            DeviceKeyId::from_parts(DeviceKeyAlgorithm::Ed25519, self.public_key().as_str().into())
-                DeviceKeyAlgorithm::Ed25519,
-                self.public_key().as_str().into(),
-            )
                 .to_string(),
             self.public_key().to_string(),
         );

matrix_sdk_crypto/src/olm/utility.rs

@@ -12,14 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use olm_rs::utility::OlmUtility;
-use serde_json::Value;
 use std::convert::TryInto;
 
 use matrix_sdk_common::{
     identifiers::{DeviceKeyAlgorithm, DeviceKeyId, UserId},
     CanonicalJsonValue,
 };
+use olm_rs::utility::OlmUtility;
+use serde_json::Value;
 
 use crate::error::SignatureError;
 
@@ -29,9 +29,7 @@ pub(crate) struct Utility {
 
 impl Utility {
     pub fn new() -> Self {
-        Self {
+        Self { inner: OlmUtility::new() }
-            inner: OlmUtility::new(),
-        }
     }
 
     /// Verify a signed JSON object.
@@ -67,29 +65,20 @@ impl Utility {
         let unsigned = json_object.remove("unsigned");
         let signatures = json_object.remove("signatures");
 
-        let canonical_json: CanonicalJsonValue = json
+        let canonical_json: CanonicalJsonValue =
-            .clone()
+            json.clone().try_into().map_err(|_| SignatureError::NotAnObject)?;
-            .try_into()
-            .map_err(|_| SignatureError::NotAnObject)?;
 
         let canonical_json: String = canonical_json.to_string();
 
         let signatures = signatures.ok_or(SignatureError::NoSignatureFound)?;
-        let signature_object = signatures
+        let signature_object = signatures.as_object().ok_or(SignatureError::NoSignatureFound)?;
-            .as_object()
+        let signature =
-            .ok_or(SignatureError::NoSignatureFound)?;
+            signature_object.get(user_id.as_str()).ok_or(SignatureError::NoSignatureFound)?;
-        let signature = signature_object
+        let signature =
-            .get(user_id.as_str())
+            signature.get(key_id.to_string()).ok_or(SignatureError::NoSignatureFound)?;
-            .ok_or(SignatureError::NoSignatureFound)?;
-        let signature = signature
-            .get(key_id.to_string())
-            .ok_or(SignatureError::NoSignatureFound)?;
         let signature = signature.as_str().ok_or(SignatureError::NoSignatureFound)?;
 
-        let ret = match self
+        let ret = match self.inner.ed25519_verify(signing_key, &canonical_json, signature) {
-            .inner
-            .ed25519_verify(signing_key, &canonical_json, signature)
-        {
             Ok(_) => Ok(()),
             Err(_) => Err(SignatureError::VerificationError),
         };
@@ -108,10 +97,11 @@ impl Utility {
 
 #[cfg(test)]
 mod test {
-    use super::Utility;
     use matrix_sdk_common::identifiers::{user_id, DeviceKeyAlgorithm, DeviceKeyId};
     use serde_json::json;
 
+    use super::Utility;
+
     #[test]
     fn signature_test() {
         let mut device_keys = json!({

matrix_sdk_crypto/src/requests.rs

@@ -35,18 +35,19 @@ use matrix_sdk_common::{
     identifiers::{DeviceIdBox, RoomId, UserId},
     uuid::Uuid,
 };
-
 use serde::{Deserialize, Serialize};
 use serde_json::value::RawValue as RawJsonValue;
 
-/// Customized version of `ruma_client_api::r0::to_device::send_event_to_device::Request`, using a
+/// Customized version of
+/// `ruma_client_api::r0::to_device::send_event_to_device::Request`, using a
 /// UUID for the transaction ID.
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct ToDeviceRequest {
     /// Type of event being sent to each device.
     pub event_type: EventType,
 
-    /// A request identifier unique to the access token used to send the request.
+    /// A request identifier unique to the access token used to send the
+    /// request.
     pub txn_id: Uuid,
 
     /// A map of users to devices to a content for a message event to be
@@ -80,15 +81,18 @@ impl ToDeviceRequest {
 pub struct UploadSigningKeysRequest {
     /// The user's master key.
     pub master_key: Option<CrossSigningKey>,
-    /// The user's self-signing key. Must be signed with the accompanied master, or by the
+    /// The user's self-signing key. Must be signed with the accompanied master,
-    /// user's most recently uploaded master key if no master key is included in the request.
+    /// or by the user's most recently uploaded master key if no master key
+    /// is included in the request.
     pub self_signing_key: Option<CrossSigningKey>,
-    /// The user's user-signing key. Must be signed with the accompanied master, or by the
+    /// The user's user-signing key. Must be signed with the accompanied master,
-    /// user's most recently uploaded master key if no master key is included in the request.
+    /// or by the user's most recently uploaded master key if no master key
+    /// is included in the request.
     pub user_signing_key: Option<CrossSigningKey>,
 }
 
-/// Customized version of `ruma_client_api::r0::keys::get_keys::Request`, without any references.
+/// Customized version of `ruma_client_api::r0::keys::get_keys::Request`,
+/// without any references.
 #[derive(Clone, Debug)]
 pub struct KeysQueryRequest {
     /// The time (in milliseconds) to wait when downloading keys from remote
@@ -109,11 +113,7 @@ pub struct KeysQueryRequest {
 
 impl KeysQueryRequest {
     pub(crate) fn new(device_keys: BTreeMap<UserId, Vec<DeviceIdBox>>) -> Self {
-        Self {
+        Self { timeout: None, device_keys, token: None }
-            timeout: None,
-            device_keys,
-            token: None,
-        }
     }
 }
 
@@ -177,19 +177,13 @@ impl From<SignatureUploadRequest> for OutgoingRequests {
 
 impl From<OutgoingVerificationRequest> for OutgoingRequest {
     fn from(r: OutgoingVerificationRequest) -> Self {
-        Self {
+        Self { request_id: r.request_id(), request: Arc::new(r.into()) }
-            request_id: r.request_id(),
-            request: Arc::new(r.into()),
-        }
     }
 }
 
 impl From<SignatureUploadRequest> for OutgoingRequest {
     fn from(r: SignatureUploadRequest) -> Self {
-        Self {
+        Self { request_id: Uuid::new_v4(), request: Arc::new(r.into()) }
-            request_id: Uuid::new_v4(),
-            request: Arc::new(r.into()),
-        }
     }
 }
 

matrix_sdk_crypto/src/session_manager/group_sessions.rs

@@ -17,9 +17,8 @@ use std::{
     sync::Arc,
 };
 
-use futures::future::join_all;
-
 use dashmap::DashMap;
+use futures::future::join_all;
 use matrix_sdk_common::{
     api::r0::to_device::DeviceIdOrAllDevices,
     events::{
@@ -105,10 +104,7 @@ impl GroupSessionCache {
         room_id: &RoomId,
         session_id: &str,
     ) -> StoreResult<Option<OutboundGroupSession>> {
-        Ok(self
+        Ok(self.get_or_load(room_id).await?.filter(|o| session_id == o.session_id()))
-            .get_or_load(room_id)
-            .await?
-            .filter(|o| session_id == o.session_id()))
     }
 }
 
@@ -127,11 +123,7 @@ impl GroupSessionManager {
     const MAX_TO_DEVICE_MESSAGES: usize = 250;
 
     pub(crate) fn new(account: Account, store: Store) -> Self {
-        Self {
+        Self { account, store: store.clone(), sessions: GroupSessionCache::new(store) }
-            account,
-            store: store.clone(),
-            sessions: GroupSessionCache::new(store),
-        }
     }
 
     pub async fn invalidate_group_session(&self, room_id: &RoomId) -> StoreResult<bool> {
@@ -231,9 +223,7 @@ impl GroupSessionManager {
                 Ok((s, None))
             }
         } else {
-            self.create_outbound_group_session(room_id, settings)
+            self.create_outbound_group_session(room_id, settings).await.map(|(o, i)| (o, i.into()))
-                .await
-                .map(|(o, i)| (o, i.into()))
         }
     }
 
@@ -253,10 +243,7 @@ impl GroupSessionManager {
 
             let used_session = match encrypted {
                 Ok((session, encrypted)) => {
-                    message
+                    message.entry(device.user_id().clone()).or_insert_with(BTreeMap::new).insert(
-                        .entry(device.user_id().clone())
-                        .or_insert_with(BTreeMap::new)
-                        .insert(
                         DeviceIdOrAllDevices::DeviceId(device.device_id().into()),
                         serde_json::value::to_raw_value(&encrypted)?,
                     );
@@ -271,10 +258,8 @@ impl GroupSessionManager {
             Ok((used_session, message))
         };
 
-        let tasks: Vec<_> = devices
+        let tasks: Vec<_> =
-            .iter()
+            devices.iter().map(|d| spawn(encrypt(d.clone(), content.clone()))).collect();
-            .map(|d| spawn(encrypt(d.clone(), content.clone())))
-            .collect();
 
         let results = join_all(tasks).await;
 
@@ -286,20 +271,14 @@ impl GroupSessionManager {
             }
 
             for (user, device_messages) in message.into_iter() {
-                messages
+                messages.entry(user).or_insert_with(BTreeMap::new).extend(device_messages);
-                    .entry(user)
-                    .or_insert_with(BTreeMap::new)
-                    .extend(device_messages);
             }
         }
 
         let id = Uuid::new_v4();
 
-        let request = ToDeviceRequest {
+        let request =
-            event_type: EventType::RoomEncrypted,
+            ToDeviceRequest { event_type: EventType::RoomEncrypted, txn_id: id, messages };
-            txn_id: id,
-            messages,
-        };
 
         trace!(
             recipient_count = request.message_count(),
@@ -331,20 +310,14 @@ impl GroupSessionManager {
             "Calculating group session recipients"
         );
 
-        let users_shared_with: HashSet<UserId> = outbound
+        let users_shared_with: HashSet<UserId> =
-            .shared_with_set
+            outbound.shared_with_set.iter().map(|k| k.key().clone()).collect();
-            .iter()
-            .map(|k| k.key().clone())
-            .collect();
 
         let users_shared_with: HashSet<&UserId> = users_shared_with.iter().collect();
 
         // A user left if a user is missing from the set of users that should
         // get the session but is in the set of users that received the session.
-        let user_left = !users_shared_with
+        let user_left = !users_shared_with.difference(&users).collect::<HashSet<_>>().is_empty();
-            .difference(&users)
-            .collect::<HashSet<_>>()
-            .is_empty();
 
         let visibility_changed = outbound.settings().history_visibility != history_visibility;
 
@@ -359,10 +332,8 @@ impl GroupSessionManager {
 
         for user_id in users {
             let user_devices = self.store.get_user_devices(&user_id).await?;
-            let non_blacklisted_devices: Vec<Device> = user_devices
+            let non_blacklisted_devices: Vec<Device> =
-                .devices()
+                user_devices.devices().filter(|d| !d.is_blacklisted()).collect();
-                .filter(|d| !d.is_blacklisted())
-                .collect();
 
             // If we haven't already concluded that the session should be
             // rotated for other reasons, we also need to check whether any
@@ -370,10 +341,8 @@ impl GroupSessionManager {
             // meantime. If so, we should also rotate the session.
             if !should_rotate {
                 // Device IDs that should receive this session
-                let non_blacklisted_device_ids: HashSet<&DeviceId> = non_blacklisted_devices
+                let non_blacklisted_device_ids: HashSet<&DeviceId> =
-                    .iter()
+                    non_blacklisted_devices.iter().map(|d| d.device_id()).collect();
-                    .map(|d| d.device_id())
-                    .collect();
 
                 if let Some(shared) = outbound.shared_with_set.get(user_id) {
                     #[allow(clippy::map_clone)]
@@ -389,9 +358,8 @@ impl GroupSessionManager {
                     //
                     // represents newly deleted or blacklisted devices. If this
                     // set is non-empty, we must rotate.
-                    let newly_deleted_or_blacklisted = shared
+                    let newly_deleted_or_blacklisted =
-                        .difference(&non_blacklisted_device_ids)
+                        shared.difference(&non_blacklisted_device_ids).collect::<HashSet<_>>();
-                        .collect::<HashSet<_>>();
 
                     if !newly_deleted_or_blacklisted.is_empty() {
                         should_rotate = true;
@@ -399,10 +367,7 @@ impl GroupSessionManager {
                 };
             }
 
-            devices
+            devices.entry(user_id.clone()).or_insert_with(Vec::new).extend(non_blacklisted_devices);
-                .entry(user_id.clone())
-                .or_insert_with(Vec::new)
-                .extend(non_blacklisted_devices);
         }
 
         debug!(
@@ -462,25 +427,22 @@ impl GroupSessionManager {
         let history_visibility = encryption_settings.history_visibility.clone();
         let mut changes = Changes::default();
 
-        let (outbound, inbound) = self
+        let (outbound, inbound) =
-            .get_or_create_outbound_session(room_id, encryption_settings.clone())
+            self.get_or_create_outbound_session(room_id, encryption_settings.clone()).await?;
-            .await?;
 
         if let Some(inbound) = inbound {
             changes.outbound_group_sessions.push(outbound.clone());
             changes.inbound_group_sessions.push(inbound);
         }
 
-        let (should_rotate, devices) = self
+        let (should_rotate, devices) =
-            .collect_session_recipients(users, history_visibility, &outbound)
+            self.collect_session_recipients(users, history_visibility, &outbound).await?;
-            .await?;
 
         let outbound = if should_rotate {
             let old_session_id = outbound.session_id();
 
-            let (outbound, inbound) = self
+            let (outbound, inbound) =
-                .create_outbound_group_session(room_id, encryption_settings)
+                self.create_outbound_group_session(room_id, encryption_settings).await?;
-                .await?;
             changes.outbound_group_sessions.push(outbound.clone());
             changes.inbound_group_sessions.push(inbound);
 
@@ -515,9 +477,7 @@ impl GroupSessionManager {
 
         if !devices.is_empty() {
             let users = devices.iter().fold(BTreeMap::new(), |mut acc, d| {
-                acc.entry(d.user_id())
+                acc.entry(d.user_id()).or_insert_with(BTreeSet::new).insert(d.device_id());
-                    .or_insert_with(BTreeSet::new)
-                    .insert(d.device_id());
                 acc
             });
 
@@ -626,14 +586,8 @@ mod test {
 
         let machine = OlmMachine::new(&alice_id(), &alice_device_id());
 
-        machine
+        machine.mark_request_as_sent(&uuid, &keys_query).await.unwrap();
-            .mark_request_as_sent(&uuid, &keys_query)
+        machine.mark_request_as_sent(&uuid, &keys_claim).await.unwrap();
-            .await
-            .unwrap();
-        machine
-            .mark_request_as_sent(&uuid, &keys_claim)
-            .await
-            .unwrap();
 
         machine
     }
@@ -647,11 +601,7 @@ mod test {
         let users: Vec<_> = keys_claim.one_time_keys.keys().collect();
 
         let requests = machine
-            .share_group_session(
+            .share_group_session(&room_id, users.clone().into_iter(), EncryptionSettings::default())
-                &room_id,
-                users.clone().into_iter(),
-                EncryptionSettings::default(),
-            )
             .await
             .unwrap();
 

matrix_sdk_crypto/src/session_manager/sessions.rs

@@ -77,11 +77,7 @@ impl SessionManager {
     }
 
     pub async fn mark_device_as_wedged(&self, sender: &UserId, curve_key: &str) -> StoreResult<()> {
-        if let Some(device) = self
+        if let Some(device) = self.store.get_device_from_curve_key(sender, curve_key).await? {
-            .store
-            .get_device_from_curve_key(sender, curve_key)
-            .await?
-        {
             let sessions = device.get_sessions().await?;
 
             if let Some(sessions) = sessions {
@@ -120,22 +116,13 @@ impl SessionManager {
     ///
     /// If the device was wedged this will queue up a dummy to-device message.
     async fn check_if_unwedged(&self, user_id: &UserId, device_id: &DeviceId) -> OlmResult<()> {
-        if self
+        if self.wedged_devices.get(user_id).map(|d| d.remove(device_id)).flatten().is_some() {
-            .wedged_devices
-            .get(user_id)
-            .map(|d| d.remove(device_id))
-            .flatten()
-            .is_some()
-        {
             if let Some(device) = self.store.get_device(user_id, device_id).await? {
                 let (_, content) = device.encrypt(EventType::Dummy, json!({})).await?;
                 let id = Uuid::new_v4();
                 let mut messages = BTreeMap::new();
 
-                messages
+                messages.entry(device.user_id().to_owned()).or_insert_with(BTreeMap::new).insert(
-                    .entry(device.user_id().to_owned())
-                    .or_insert_with(BTreeMap::new)
-                    .insert(
                     DeviceIdOrAllDevices::DeviceId(device.device_id().into()),
                     to_raw_value(&content)?,
                 );
@@ -307,13 +294,13 @@ impl SessionManager {
 
 #[cfg(test)]
 mod test {
-    use dashmap::DashMap;
-    use matrix_sdk_common::locks::Mutex;
     use std::{collections::BTreeMap, sync::Arc};
 
+    use dashmap::DashMap;
     use matrix_sdk_common::{
         api::r0::keys::claim_keys::Response as KeyClaimResponse,
         identifiers::{user_id, DeviceIdBox, UserId},
+        locks::Mutex,
     };
     use matrix_sdk_test::async_test;
 
@@ -347,9 +334,7 @@ mod test {
         let account = ReadOnlyAccount::new(&user_id, &device_id);
         let store: Arc<Box<dyn CryptoStore>> = Arc::new(Box::new(MemoryStore::new()));
         store.save_account(account.clone()).await.unwrap();
-        let identity = Arc::new(Mutex::new(PrivateCrossSigningIdentity::empty(
+        let identity = Arc::new(Mutex::new(PrivateCrossSigningIdentity::empty(user_id.clone())));
-            user_id.clone(),
-        )));
         let verification =
             VerificationMachine::new(account.clone(), identity.clone(), store.clone());
 
@@ -358,10 +343,7 @@ mod test {
 
         let store = Store::new(user_id.clone(), identity, store, verification);
 
-        let account = Account {
+        let account = Account { inner: account, store: store.clone() };
-            inner: account,
-            store: store.clone(),
-        };
 
         let session_cache = GroupSessionCache::new(store.clone());
 
@@ -405,10 +387,7 @@ mod test {
 
         let response = KeyClaimResponse::new(one_time_keys);
 
-        manager
+        manager.receive_keys_claim_response(&response).await.unwrap();
-            .receive_keys_claim_response(&response)
-            .await
-            .unwrap();
 
         assert!(manager
             .get_missing_sessions(&mut [bob.user_id().clone()].iter())
@@ -434,11 +413,7 @@ mod test {
         let bob_device = ReadOnlyDevice::from_account(&bob).await;
         session.creation_time = Arc::new(Instant::now() - Duration::from_secs(3601));
 
-        manager
+        manager.store.save_devices(&[bob_device.clone()]).await.unwrap();
-            .store
-            .save_devices(&[bob_device.clone()])
-            .await
-            .unwrap();
         manager.store.save_sessions(&[session]).await.unwrap();
 
         assert!(manager
@@ -451,10 +426,7 @@ mod test {
 
         assert!(!manager.users_for_key_claim.contains_key(bob.user_id()));
         assert!(!manager.is_device_wedged(&bob_device));
-        manager
+        manager.mark_device_as_wedged(bob_device.user_id(), &curve_key).await.unwrap();
-            .mark_device_as_wedged(bob_device.user_id(), &curve_key)
-            .await
-            .unwrap();
         assert!(manager.is_device_wedged(&bob_device));
         assert!(manager.users_for_key_claim.contains_key(bob.user_id()));
 
@@ -480,10 +452,7 @@ mod test {
 
         assert!(manager.outgoing_to_device_requests.is_empty());
 
-        manager
+        manager.receive_keys_claim_response(&response).await.unwrap();
-            .receive_keys_claim_response(&response)
-            .await
-            .unwrap();
 
         assert!(!manager.is_device_wedged(&bob_device));
         assert!(manager

matrix_sdk_crypto/src/store/caches.rs

@@ -39,9 +39,7 @@ pub struct SessionStore {
 impl SessionStore {
     /// Create a new empty Session store.
     pub fn new() -> Self {
-        SessionStore {
+        SessionStore { entries: Arc::new(DashMap::new()) }
-            entries: Arc::new(DashMap::new()),
-        }
     }
 
     /// Add a session to the store.
@@ -72,8 +70,7 @@ impl SessionStore {
 
     /// Add a list of sessions belonging to the sender key.
     pub fn set_for_sender(&self, sender_key: &str, sessions: Vec<Session>) {
-        self.entries
+        self.entries.insert(sender_key.to_owned(), Arc::new(Mutex::new(sessions)));
-            .insert(sender_key.to_owned(), Arc::new(Mutex::new(sessions)));
     }
 }
 
@@ -87,9 +84,7 @@ pub struct GroupSessionStore {
 impl GroupSessionStore {
     /// Create a new empty store.
     pub fn new() -> Self {
-        GroupSessionStore {
+        GroupSessionStore { entries: Arc::new(DashMap::new()) }
-            entries: Arc::new(DashMap::new()),
-        }
     }
 
     /// Add an inbound group session to the store.
@@ -148,9 +143,7 @@ pub struct DeviceStore {
 impl DeviceStore {
     /// Create a new empty device store.
     pub fn new() -> Self {
-        DeviceStore {
+        DeviceStore { entries: Arc::new(DashMap::new()) }
-            entries: Arc::new(DashMap::new()),
-        }
     }
 
     /// Add a device to the store.
@@ -167,19 +160,15 @@ impl DeviceStore {
 
     /// Get the device with the given device_id and belonging to the given user.
     pub fn get(&self, user_id: &UserId, device_id: &DeviceId) -> Option<ReadOnlyDevice> {
-        self.entries
+        self.entries.get(user_id).and_then(|m| m.get(device_id).map(|d| d.value().clone()))
-            .get(user_id)
-            .and_then(|m| m.get(device_id).map(|d| d.value().clone()))
     }
 
-    /// Remove the device with the given device_id and belonging to the given user.
+    /// Remove the device with the given device_id and belonging to the given
+    /// user.
     ///
     /// Returns the device if it was removed, None if it wasn't in the store.
     pub fn remove(&self, user_id: &UserId, device_id: &DeviceId) -> Option<ReadOnlyDevice> {
-        self.entries
+        self.entries.get(user_id).and_then(|m| m.remove(device_id)).map(|(_, d)| d)
-            .get(user_id)
-            .and_then(|m| m.remove(device_id))
-            .map(|(_, d)| d)
     }
 
     /// Get a read-only view over all devices of the given user.
@@ -195,12 +184,13 @@ impl DeviceStore {
 
 #[cfg(test)]
 mod test {
+    use matrix_sdk_common::identifiers::room_id;
+
     use crate::{
         identities::device::test::get_device,
         olm::{test::get_account_and_session, InboundGroupSession},
         store::caches::{DeviceStore, GroupSessionStore, SessionStore},
     };
-    use matrix_sdk_common::identifiers::room_id;
 
     #[tokio::test]
     async fn test_session_store() {
@@ -239,10 +229,8 @@ mod test {
         let (account, _) = get_account_and_session().await;
         let room_id = room_id!("!test:localhost");
 
-        let (outbound, _) = account
+        let (outbound, _) =
-            .create_group_session_pair_with_defaults(&room_id)
+            account.create_group_session_pair_with_defaults(&room_id).await.unwrap();
-            .await
-            .unwrap();
 
         assert_eq!(0, outbound.message_index().await);
         assert!(!outbound.shared());
@@ -261,9 +249,7 @@ mod test {
         let store = GroupSessionStore::new();
         store.add(inbound.clone());
 
-        let loaded_session = store
+        let loaded_session = store.get(&room_id, "test_key", outbound.session_id()).unwrap();
-            .get(&room_id, "test_key", outbound.session_id())
-            .unwrap();
         assert_eq!(inbound, loaded_session);
     }
 

matrix_sdk_crypto/src/store/memorystore.rs

@@ -37,10 +37,7 @@ use crate::{
 };
 
 fn encode_key_info(info: &RequestedKeyInfo) -> String {
-    format!(
+    format!("{}{}{}{}", info.room_id, info.sender_key, info.algorithm, info.session_id)
-        "{}{}{}{}",
-        info.room_id, info.sender_key, info.algorithm, info.session_id
-    )
 }
 
 /// An in-memory only store that will forget all the E2EE key once it's dropped.
@@ -121,22 +118,14 @@ impl CryptoStore for MemoryStore {
 
     async fn save_changes(&self, mut changes: Changes) -> Result<()> {
         self.save_sessions(changes.sessions).await;
-        self.save_inbound_group_sessions(changes.inbound_group_sessions)
+        self.save_inbound_group_sessions(changes.inbound_group_sessions).await;
-            .await;
 
         self.save_devices(changes.devices.new).await;
         self.save_devices(changes.devices.changed).await;
         self.delete_devices(changes.devices.deleted).await;
 
-        for identity in changes
+        for identity in changes.identities.new.drain(..).chain(changes.identities.changed) {
-            .identities
+            let _ = self.identities.insert(identity.user_id().to_owned(), identity.clone());
-            .new
-            .drain(..)
-            .chain(changes.identities.changed)
-        {
-            let _ = self
-                .identities
-                .insert(identity.user_id().to_owned(), identity.clone());
         }
 
         for hash in changes.message_hashes {
@@ -167,9 +156,7 @@ impl CryptoStore for MemoryStore {
         sender_key: &str,
         session_id: &str,
     ) -> Result<Option<InboundGroupSession>> {
-        Ok(self
+        Ok(self.inbound_group_sessions.get(room_id, sender_key, session_id))
-            .inbound_group_sessions
-            .get(room_id, sender_key, session_id))
     }
 
     async fn get_inbound_group_sessions(&self) -> Result<Vec<InboundGroupSession>> {
@@ -250,10 +237,7 @@ impl CryptoStore for MemoryStore {
         &self,
         request_id: Uuid,
     ) -> Result<Option<OutgoingKeyRequest>> {
-        Ok(self
+        Ok(self.outgoing_key_requests.get(&request_id).map(|r| r.clone()))
-            .outgoing_key_requests
-            .get(&request_id)
-            .map(|r| r.clone()))
     }
 
     async fn get_key_request_by_info(
@@ -278,9 +262,7 @@ impl CryptoStore for MemoryStore {
     }
 
     async fn delete_outgoing_key_request(&self, request_id: Uuid) -> Result<()> {
-        self.outgoing_key_requests
+        self.outgoing_key_requests.remove(&request_id).and_then(|(_, i)| {
-            .remove(&request_id)
-            .and_then(|(_, i)| {
             let key_info_string = encode_key_info(&i.info);
             self.key_requests_by_info.remove(&key_info_string)
         });
@@ -291,12 +273,13 @@ impl CryptoStore for MemoryStore {
 
 #[cfg(test)]
 mod test {
+    use matrix_sdk_common::identifiers::room_id;
+
     use crate::{
         identities::device::test::get_device,
         olm::{test::get_account_and_session, InboundGroupSession, OlmMessageHash},
         store::{memorystore::MemoryStore, Changes, CryptoStore},
     };
-    use matrix_sdk_common::identifiers::room_id;
 
     #[tokio::test]
     async fn test_session_store() {
@@ -308,11 +291,7 @@ mod test {
 
         store.save_sessions(vec![session.clone()]).await;
 
-        let sessions = store
+        let sessions = store.get_sessions(&session.sender_key).await.unwrap().unwrap();
-            .get_sessions(&session.sender_key)
-            .await
-            .unwrap()
-            .unwrap();
         let sessions = sessions.lock().await;
 
         let loaded_session = &sessions[0];
@@ -325,10 +304,8 @@ mod test {
         let (account, _) = get_account_and_session().await;
         let room_id = room_id!("!test:localhost");
 
-        let (outbound, _) = account
+        let (outbound, _) =
-            .create_group_session_pair_with_defaults(&room_id)
+            account.create_group_session_pair_with_defaults(&room_id).await.unwrap();
-            .await
-            .unwrap();
         let inbound = InboundGroupSession::new(
             "test_key",
             "test_key",
@@ -339,9 +316,7 @@ mod test {
         .unwrap();
 
         let store = MemoryStore::new();
-        let _ = store
+        let _ = store.save_inbound_group_sessions(vec![inbound.clone()]).await;
-            .save_inbound_group_sessions(vec![inbound.clone()])
-            .await;
 
         let loaded_session = store
             .get_inbound_group_session(&room_id, "test_key", outbound.session_id())
@@ -358,11 +333,8 @@ mod test {
 
         store.save_devices(vec![device.clone()]).await;
 
-        let loaded_device = store
+        let loaded_device =
-            .get_device(device.user_id(), device.device_id())
+            store.get_device(device.user_id(), device.device_id()).await.unwrap().unwrap();
-            .await
-            .unwrap()
-            .unwrap();
 
         assert_eq!(device, loaded_device);
 
@@ -376,11 +348,7 @@ mod test {
         assert_eq!(&device, loaded_device);
 
         store.delete_devices(vec![device.clone()]).await;
-        assert!(store
+        assert!(store.get_device(device.user_id(), device.device_id()).await.unwrap().is_none());
-            .get_device(device.user_id(), device.device_id())
-            .await
-            .unwrap()
-            .is_none());
     }
 
     #[tokio::test]
@@ -388,14 +356,8 @@ mod test {
         let device = get_device();
         let store = MemoryStore::new();
 
-        assert!(store
+        assert!(store.update_tracked_user(device.user_id(), false).await.unwrap());
-            .update_tracked_user(device.user_id(), false)
+        assert!(!store.update_tracked_user(device.user_id(), false).await.unwrap());
-            .await
-            .unwrap());
-        assert!(!store
-            .update_tracked_user(device.user_id(), false)
-            .await
-            .unwrap());
 
         assert!(store.is_user_tracked(device.user_id()));
     }
@@ -404,10 +366,8 @@ mod test {
     async fn test_message_hash() {
         let store = MemoryStore::new();
 
-        let hash = OlmMessageHash {
+        let hash =
-            sender_key: "test_sender".to_owned(),
+            OlmMessageHash { sender_key: "test_sender".to_owned(), hash: "test_hash".to_owned() };
-            hash: "test_hash".to_owned(),
-        };
 
         let mut changes = Changes::default();
         changes.message_hashes.push(hash.clone());

matrix_sdk_crypto/src/store/mod.rs

@@ -43,11 +43,6 @@ mod pickle_key;
 #[cfg(feature = "sled_cryptostore")]
 pub(crate) mod sled;
 
-#[cfg(feature = "sled_cryptostore")]
-pub use self::sled::SledStore;
-pub use memorystore::MemoryStore;
-pub use pickle_key::{EncryptedPickleKey, PickleKey};
-
 use std::{
     collections::{HashMap, HashSet},
     fmt::Debug,
@@ -56,10 +51,6 @@ use std::{
     sync::Arc,
 };
 
-use olm_rs::errors::{OlmAccountError, OlmGroupSessionError, OlmSessionError};
-use serde_json::Error as SerdeError;
-use thiserror::Error;
-
 use matrix_sdk_common::{
     async_trait,
     events::room_key_request::RequestedKeyInfo,
@@ -71,7 +62,14 @@ use matrix_sdk_common::{
     uuid::Uuid,
     AsyncTraitDeps,
 };
+pub use memorystore::MemoryStore;
+use olm_rs::errors::{OlmAccountError, OlmGroupSessionError, OlmSessionError};
+pub use pickle_key::{EncryptedPickleKey, PickleKey};
+use serde_json::Error as SerdeError;
+use thiserror::Error;
 
+#[cfg(feature = "sled_cryptostore")]
+pub use self::sled::SledStore;
 use crate::{
     error::SessionUnpicklingError,
     identities::{Device, ReadOnlyDevice, UserDevices, UserIdentities},
@@ -145,12 +143,7 @@ impl Store {
         store: Arc<Box<dyn CryptoStore>>,
         verification_machine: VerificationMachine,
     ) -> Self {
-        Self {
+        Self { user_id, identity, inner: store, verification_machine }
-            user_id,
-            identity,
-            inner: store,
-            verification_machine,
-        }
     }
 
     pub async fn get_readonly_device(
@@ -162,10 +155,7 @@ impl Store {
     }
 
     pub async fn save_sessions(&self, sessions: &[Session]) -> Result<()> {
-        let changes = Changes {
+        let changes = Changes { sessions: sessions.to_vec(), ..Default::default() };
-            sessions: sessions.to_vec(),
-            ..Default::default()
-        };
 
         self.save_changes(changes).await
     }
@@ -173,10 +163,7 @@ impl Store {
     #[cfg(test)]
     pub async fn save_devices(&self, devices: &[ReadOnlyDevice]) -> Result<()> {
         let changes = Changes {
-            devices: DeviceChanges {
+            devices: DeviceChanges { changed: devices.to_vec(), ..Default::default() },
-                changed: devices.to_vec(),
-                ..Default::default()
-            },
             ..Default::default()
         };
 
@@ -188,10 +175,7 @@ impl Store {
         &self,
         sessions: &[InboundGroupSession],
     ) -> Result<()> {
-        let changes = Changes {
+        let changes = Changes { inbound_group_sessions: sessions.to_vec(), ..Default::default() };
-            inbound_group_sessions: sessions.to_vec(),
-            ..Default::default()
-        };
 
         self.save_changes(changes).await
     }
@@ -210,8 +194,7 @@ impl Store {
     ) -> Result<Option<Device>> {
         self.get_user_devices(user_id).await.map(|d| {
             d.devices().find(|d| {
-                d.get_key(DeviceKeyAlgorithm::Curve25519)
+                d.get_key(DeviceKeyAlgorithm::Curve25519).map_or(false, |k| k == curve_key)
-                    .map_or(false, |k| k == curve_key)
             })
         })
     }
@@ -219,12 +202,8 @@ impl Store {
     pub async fn get_user_devices(&self, user_id: &UserId) -> Result<UserDevices> {
         let devices = self.inner.get_user_devices(user_id).await?;
 
-        let own_identity = self
+        let own_identity =
-            .inner
+            self.inner.get_user_identity(&self.user_id).await?.map(|i| i.own().cloned()).flatten();
-            .get_user_identity(&self.user_id)
-            .await?
-            .map(|i| i.own().cloned())
-            .flatten();
         let device_owner_identity = self.inner.get_user_identity(user_id).await.ok().flatten();
 
         Ok(UserDevices {
@@ -241,18 +220,11 @@ impl Store {
         user_id: &UserId,
         device_id: &DeviceId,
     ) -> Result<Option<Device>> {
-        let own_identity = self
+        let own_identity =
-            .get_user_identity(&self.user_id)
+            self.get_user_identity(&self.user_id).await?.map(|i| i.own().cloned()).flatten();
-            .await?
-            .map(|i| i.own().cloned())
-            .flatten();
         let device_owner_identity = self.get_user_identity(user_id).await?;
 
-        Ok(self
+        Ok(self.inner.get_device(user_id, device_id).await?.map(|d| Device {
-            .inner
-            .get_device(user_id, device_id)
-            .await?
-            .map(|d| Device {
             inner: d,
             private_identity: self.identity.clone(),
             verification_machine: self.verification_machine.clone(),
@@ -366,7 +338,8 @@ pub trait CryptoStore: AsyncTraitDeps {
     /// Get all the inbound group sessions we have stored.
     async fn get_inbound_group_sessions(&self) -> Result<Vec<InboundGroupSession>>;
 
-    /// Get the outobund group sessions we have stored that is used for the given room.
+    /// Get the outobund group sessions we have stored that is used for the
+    /// given room.
     async fn get_outbound_group_sessions(
         &self,
         room_id: &RoomId,

matrix_sdk_crypto/src/store/pickle_key.rs

@@ -22,11 +22,10 @@ use getrandom::getrandom;
 use hmac::Hmac;
 use olm_rs::PicklingMode;
 use pbkdf2::pbkdf2;
+use serde::{Deserialize, Serialize};
 use sha2::Sha256;
 use zeroize::{Zeroize, Zeroizing};
 
-use serde::{Deserialize, Serialize};
-
 const KEY_SIZE: usize = 32;
 const NONCE_SIZE: usize = 12;
 const KDF_SALT_SIZE: usize = 32;
@@ -114,9 +113,7 @@ impl PickleKey {
 
     /// Get a `PicklingMode` version of this pickle key.
     pub fn pickle_mode(&self) -> PicklingMode {
-        PicklingMode::Encrypted {
+        PicklingMode::Encrypted { key: self.aes256_key.clone() }
-            key: self.aes256_key.clone(),
-        }
     }
 
     /// Get the raw AES256 key.
@@ -142,10 +139,7 @@ impl PickleKey {
         getrandom(&mut nonce).expect("Can't generate new random nonce for the pickle key");
 
         let ciphertext = cipher
-            .encrypt(
+            .encrypt(&GenericArray::from_slice(nonce.as_ref()), self.aes256_key.as_slice())
-                &GenericArray::from_slice(nonce.as_ref()),
-                self.aes256_key.as_slice(),
-            )
             .expect("Can't encrypt pickle key");
 
         EncryptedPickleKey {
@@ -181,9 +175,7 @@ impl PickleKey {
             }
         };
 
-        Ok(Self {
+        Ok(Self { aes256_key: decrypted })
-            aes256_key: decrypted,
-        })
     }
 }
 

matrix_sdk_crypto/src/store/sled.rs

@@ -20,13 +20,6 @@ use std::{
 };
 
 use dashmap::DashSet;
-use olm_rs::{account::IdentityKeys, PicklingMode};
-pub use sled::Error;
-use sled::{
-    transaction::{ConflictableTransactionError, TransactionError},
-    Config, Db, Transactional, Tree,
-};
-
 use matrix_sdk_common::{
     async_trait,
     events::room_key_request::RequestedKeyInfo,
@@ -34,6 +27,12 @@ use matrix_sdk_common::{
     locks::Mutex,
     uuid,
 };
+use olm_rs::{account::IdentityKeys, PicklingMode};
+pub use sled::Error;
+use sled::{
+    transaction::{ConflictableTransactionError, TransactionError},
+    Config, Db, Transactional, Tree,
+};
 use uuid::Uuid;
 
 use super::{
@@ -97,13 +96,7 @@ impl EncodeKey for &str {
 
 impl EncodeKey for (&str, &str) {
     fn encode(&self) -> Vec<u8> {
-        [
+        [self.0.as_bytes(), &[Self::SEPARATOR], self.1.as_bytes(), &[Self::SEPARATOR]].concat()
-            self.0.as_bytes(),
-            &[Self::SEPARATOR],
-            self.1.as_bytes(),
-            &[Self::SEPARATOR],
-        ]
-        .concat()
     }
 }
 
@@ -164,9 +157,7 @@ impl std::fmt::Debug for SledStore {
         if let Some(path) = &self.path {
             f.debug_struct("SledStore").field("path", &path).finish()
         } else {
-            f.debug_struct("SledStore")
+            f.debug_struct("SledStore").field("path", &"memory store").finish()
-                .field("path", &"memory store")
-                .finish()
         }
     }
 }
@@ -253,9 +244,8 @@ impl SledStore {
     }
 
     fn get_or_create_pickle_key(passphrase: &str, database: &Db) -> Result<PickleKey> {
-        let key = if let Some(key) = database
+        let key = if let Some(key) =
-            .get("pickle_key".encode())?
+            database.get("pickle_key".encode())?.map(|v| serde_json::from_slice(&v))
-            .map(|v| serde_json::from_slice(&v))
         {
             PickleKey::from_encrypted(passphrase, key?)
                 .map_err(|_| CryptoStoreError::UnpicklingError)?
@@ -297,9 +287,7 @@ impl SledStore {
         &self,
         room_id: &RoomId,
     ) -> Result<Option<OutboundGroupSession>> {
-        let account_info = self
+        let account_info = self.get_account_info().ok_or(CryptoStoreError::AccountUnset)?;
-            .get_account_info()
-            .ok_or(CryptoStoreError::AccountUnset)?;
 
         self.outbound_group_sessions
             .get(room_id.encode())?
@@ -501,17 +489,11 @@ impl SledStore {
         &self,
         id: &[u8],
     ) -> Result<Option<OutgoingKeyRequest>> {
-        let request = self
+        let request =
-            .outgoing_key_requests
+            self.outgoing_key_requests.get(id)?.map(|r| serde_json::from_slice(&r)).transpose()?;
-            .get(id)?
-            .map(|r| serde_json::from_slice(&r))
-            .transpose()?;
 
         let request = if request.is_none() {
-            self.unsent_key_requests
+            self.unsent_key_requests.get(id)?.map(|r| serde_json::from_slice(&r)).transpose()?
-                .get(id)?
-                .map(|r| serde_json::from_slice(&r))
-                .transpose()?
         } else {
             request
         };
@@ -553,10 +535,7 @@ impl CryptoStore for SledStore {
 
         *self.account_info.write().unwrap() = Some(account_info);
 
-        let changes = Changes {
+        let changes = Changes { account: Some(account), ..Default::default() };
-            account: Some(account),
-            ..Default::default()
-        };
 
         self.save_changes(changes).await
     }
@@ -579,9 +558,7 @@ impl CryptoStore for SledStore {
     }
 
     async fn get_sessions(&self, sender_key: &str) -> Result<Option<Arc<Mutex<Vec<Session>>>>> {
-        let account_info = self
+        let account_info = self.get_account_info().ok_or(CryptoStoreError::AccountUnset)?;
-            .get_account_info()
-            .ok_or(CryptoStoreError::AccountUnset)?;
 
         if self.session_cache.get(sender_key).is_none() {
             let sessions: Result<Vec<Session>> = self
@@ -613,16 +590,10 @@ impl CryptoStore for SledStore {
         session_id: &str,
     ) -> Result<Option<InboundGroupSession>> {
         let key = (room_id.as_str(), sender_key, session_id).encode();
-        let pickle = self
+        let pickle = self.inbound_group_sessions.get(&key)?.map(|p| serde_json::from_slice(&p));
-            .inbound_group_sessions
-            .get(&key)?
-            .map(|p| serde_json::from_slice(&p));
 
         if let Some(pickle) = pickle {
-            Ok(Some(InboundGroupSession::from_pickle(
+            Ok(Some(InboundGroupSession::from_pickle(pickle?, self.get_pickle_mode())?))
-                pickle?,
-                self.get_pickle_mode(),
-            )?))
         } else {
             Ok(None)
         }
@@ -658,10 +629,7 @@ impl CryptoStore for SledStore {
 
     fn users_for_key_query(&self) -> HashSet<UserId> {
         #[allow(clippy::map_clone)]
-        self.users_for_key_query_cache
+        self.users_for_key_query_cache.iter().map(|u| u.clone()).collect()
-            .iter()
-            .map(|u| u.clone())
-            .collect()
     }
 
     async fn update_tracked_user(&self, user: &UserId, dirty: bool) -> Result<bool> {
@@ -715,9 +683,7 @@ impl CryptoStore for SledStore {
     }
 
     async fn is_message_known(&self, message_hash: &crate::olm::OlmMessageHash) -> Result<bool> {
-        Ok(self
+        Ok(self.olm_hashes.contains_key(serde_json::to_vec(message_hash)?)?)
-            .olm_hashes
-            .contains_key(serde_json::to_vec(message_hash)?)?)
     }
 
     async fn get_outgoing_key_request(
@@ -753,11 +719,8 @@ impl CryptoStore for SledStore {
     }
 
     async fn delete_outgoing_key_request(&self, request_id: Uuid) -> Result<()> {
-        let ret: Result<(), TransactionError<serde_json::Error>> = (
+        let ret: Result<(), TransactionError<serde_json::Error>> =
-            &self.outgoing_key_requests,
+            (&self.outgoing_key_requests, &self.unsent_key_requests, &self.key_requests_by_info)
-            &self.unsent_key_requests,
-            &self.key_requests_by_info,
-        )
                 .transaction(
                     |(outgoing_key_requests, unsent_key_requests, key_requests_by_info)| {
                         let sent_request: Option<OutgoingKeyRequest> = outgoing_key_requests
@@ -793,6 +756,19 @@ impl CryptoStore for SledStore {
 
 #[cfg(test)]
 mod test {
+    use std::collections::BTreeMap;
+
+    use matrix_sdk_common::{
+        api::r0::keys::SignedKey,
+        events::room_key_request::RequestedKeyInfo,
+        identifiers::{room_id, user_id, DeviceId, EventEncryptionAlgorithm, UserId},
+        uuid::Uuid,
+    };
+    use matrix_sdk_test::async_test;
+    use olm_rs::outbound_group_session::OlmOutboundGroupSession;
+    use tempfile::tempdir;
+
+    use super::{CryptoStore, OutgoingKeyRequest, SledStore};
     use crate::{
         identities::{
             device::test::get_device,
@@ -804,18 +780,6 @@ mod test {
         },
         store::{Changes, DeviceChanges, IdentityChanges},
     };
-    use matrix_sdk_common::{
-        api::r0::keys::SignedKey,
-        events::room_key_request::RequestedKeyInfo,
-        identifiers::{room_id, user_id, DeviceId, EventEncryptionAlgorithm, UserId},
-        uuid::Uuid,
-    };
-    use matrix_sdk_test::async_test;
-    use olm_rs::outbound_group_session::OlmOutboundGroupSession;
-    use std::collections::BTreeMap;
-    use tempfile::tempdir;
-
-    use super::{CryptoStore, OutgoingKeyRequest, SledStore};
 
     fn alice_id() -> UserId {
         user_id!("@alice:example.org")
@@ -846,10 +810,7 @@ mod test {
     async fn get_loaded_store() -> (ReadOnlyAccount, SledStore, tempfile::TempDir) {
         let (store, dir) = get_store(None).await;
         let account = get_account();
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
         (account, store, dir)
     }
@@ -863,21 +824,12 @@ mod test {
         let bob = ReadOnlyAccount::new(&bob_id(), &bob_device_id());
 
         bob.generate_one_time_keys_helper(1).await;
-        let one_time_key = bob
+        let one_time_key =
-            .one_time_keys()
+            bob.one_time_keys().await.curve25519().iter().next().unwrap().1.to_owned();
-            .await
-            .curve25519()
-            .iter()
-            .next()
-            .unwrap()
-            .1
-            .to_owned();
         let one_time_key = SignedKey::new(one_time_key, BTreeMap::new());
         let sender_key = bob.identity_keys().curve25519().to_owned();
-        let session = alice
+        let session =
-            .create_outbound_session_helper(&sender_key, &one_time_key)
+            alice.create_outbound_session_helper(&sender_key, &one_time_key).await.unwrap();
-            .await
-            .unwrap();
 
         (alice, session)
     }
@@ -895,10 +847,7 @@ mod test {
         assert!(store.load_account().await.unwrap().is_none());
         let account = get_account();
 
-        store
+        store.save_account(account).await.expect("Can't save account");
-            .save_account(account)
-            .await
-            .expect("Can't save account");
     }
 
     #[async_test]
@@ -906,10 +855,7 @@ mod test {
         let (store, _dir) = get_store(None).await;
         let account = get_account();
 
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
         let loaded_account = store.load_account().await.expect("Can't load account");
         let loaded_account = loaded_account.unwrap();
@@ -922,10 +868,7 @@ mod test {
         let (store, _dir) = get_store(Some("secret_passphrase")).await;
         let account = get_account();
 
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
         let loaded_account = store.load_account().await.expect("Can't load account");
         let loaded_account = loaded_account.unwrap();
@@ -938,50 +881,32 @@ mod test {
         let (store, _dir) = get_store(None).await;
         let account = get_account();
 
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
         account.mark_as_shared();
         account.update_uploaded_key_count(50);
 
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
         let loaded_account = store.load_account().await.expect("Can't load account");
         let loaded_account = loaded_account.unwrap();
 
         assert_eq!(account, loaded_account);
-        assert_eq!(
+        assert_eq!(account.uploaded_key_count(), loaded_account.uploaded_key_count());
-            account.uploaded_key_count(),
-            loaded_account.uploaded_key_count()
-        );
     }
 
     #[async_test]
     async fn load_sessions() {
         let (store, _dir) = get_store(None).await;
         let (account, session) = get_account_and_session().await;
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
-        let changes = Changes {
+        let changes = Changes { sessions: vec![session.clone()], ..Default::default() };
-            sessions: vec![session.clone()],
-            ..Default::default()
-        };
 
         store.save_changes(changes).await.unwrap();
 
-        let sessions = store
+        let sessions =
-            .get_sessions(&session.sender_key)
+            store.get_sessions(&session.sender_key).await.expect("Can't load sessions").unwrap();
-            .await
-            .expect("Can't load sessions")
-            .unwrap();
         let loaded_session = sessions.lock().await.get(0).cloned().unwrap();
 
         assert_eq!(&session, &loaded_session);
@@ -994,15 +919,9 @@ mod test {
         let sender_key = session.sender_key.to_owned();
         let session_id = session.session_id().to_owned();
 
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
-        let changes = Changes {
+        let changes = Changes { sessions: vec![session.clone()], ..Default::default() };
-            sessions: vec![session.clone()],
-            ..Default::default()
-        };
         store.save_changes(changes).await.unwrap();
 
         let sessions = store.get_sessions(&sender_key).await.unwrap().unwrap();
@@ -1040,15 +959,9 @@ mod test {
         )
         .expect("Can't create session");
 
-        let changes = Changes {
+        let changes = Changes { inbound_group_sessions: vec![session], ..Default::default() };
-            inbound_group_sessions: vec![session],
-            ..Default::default()
-        };
 
-        store
+        store.save_changes(changes).await.expect("Can't save group session");
-            .save_changes(changes)
-            .await
-            .expect("Can't save group session");
     }
 
     #[async_test]
@@ -1072,15 +985,10 @@ mod test {
 
         let session = InboundGroupSession::from_export(export).unwrap();
 
-        let changes = Changes {
+        let changes =
-            inbound_group_sessions: vec![session.clone()],
+            Changes { inbound_group_sessions: vec![session.clone()], ..Default::default() };
-            ..Default::default()
-        };
 
-        store
+        store.save_changes(changes).await.expect("Can't save group session");
-            .save_changes(changes)
-            .await
-            .expect("Can't save group session");
 
         drop(store);
 
@@ -1103,21 +1011,12 @@ mod test {
         let (_account, store, dir) = get_loaded_store().await;
         let device = get_device();
 
-        assert!(store
+        assert!(store.update_tracked_user(device.user_id(), false).await.unwrap());
-            .update_tracked_user(device.user_id(), false)
+        assert!(!store.update_tracked_user(device.user_id(), false).await.unwrap());
-            .await
-            .unwrap());
-        assert!(!store
-            .update_tracked_user(device.user_id(), false)
-            .await
-            .unwrap());
 
         assert!(store.is_user_tracked(device.user_id()));
         assert!(!store.users_for_key_query().contains(device.user_id()));
-        assert!(!store
+        assert!(!store.update_tracked_user(device.user_id(), true).await.unwrap());
-            .update_tracked_user(device.user_id(), true)
-            .await
-            .unwrap());
         assert!(store.users_for_key_query().contains(device.user_id()));
         drop(store);
 
@@ -1128,10 +1027,7 @@ mod test {
         assert!(store.is_user_tracked(device.user_id()));
         assert!(store.users_for_key_query().contains(device.user_id()));
 
-        store
+        store.update_tracked_user(device.user_id(), false).await.unwrap();
-            .update_tracked_user(device.user_id(), false)
-            .await
-            .unwrap();
         assert!(!store.users_for_key_query().contains(device.user_id()));
         drop(store);
 
@@ -1148,10 +1044,7 @@ mod test {
         let device = get_device();
 
         let changes = Changes {
-            devices: DeviceChanges {
+            devices: DeviceChanges { changed: vec![device.clone()], ..Default::default() },
-                changed: vec![device.clone()],
-                ..Default::default()
-            },
             ..Default::default()
         };
 
@@ -1163,11 +1056,8 @@ mod test {
 
         store.load_account().await.unwrap();
 
-        let loaded_device = store
+        let loaded_device =
-            .get_device(device.user_id(), device.device_id())
+            store.get_device(device.user_id(), device.device_id()).await.unwrap().unwrap();
-            .await
-            .unwrap()
-            .unwrap();
 
         assert_eq!(device, loaded_device);
 
@@ -1188,20 +1078,14 @@ mod test {
         let device = get_device();
 
         let changes = Changes {
-            devices: DeviceChanges {
+            devices: DeviceChanges { changed: vec![device.clone()], ..Default::default() },
-                changed: vec![device.clone()],
-                ..Default::default()
-            },
             ..Default::default()
         };
 
         store.save_changes(changes).await.unwrap();
 
         let changes = Changes {
-            devices: DeviceChanges {
+            devices: DeviceChanges { deleted: vec![device.clone()], ..Default::default() },
-                deleted: vec![device.clone()],
-                ..Default::default()
-            },
             ..Default::default()
         };
 
@@ -1212,10 +1096,7 @@ mod test {
 
         store.load_account().await.unwrap();
 
-        let loaded_device = store
+        let loaded_device = store.get_device(device.user_id(), device.device_id()).await.unwrap();
-            .get_device(device.user_id(), device.device_id())
-            .await
-            .unwrap();
 
         assert!(loaded_device.is_none());
     }
@@ -1232,10 +1113,7 @@ mod test {
 
         let account = ReadOnlyAccount::new(&user_id, &device_id);
 
-        store
+        store.save_account(account.clone()).await.expect("Can't save account");
-            .save_account(account.clone())
-            .await
-            .expect("Can't save account");
 
         let own_identity = get_own_identity();
 
@@ -1247,10 +1125,7 @@ mod test {
             ..Default::default()
         };
 
-        store
+        store.save_changes(changes).await.expect("Can't save identity");
-            .save_changes(changes)
-            .await
-            .expect("Can't save identity");
 
         drop(store);
 
@@ -1258,17 +1133,10 @@ mod test {
 
         store.load_account().await.unwrap();
 
-        let loaded_user = store
+        let loaded_user = store.get_user_identity(own_identity.user_id()).await.unwrap().unwrap();
-            .get_user_identity(own_identity.user_id())
-            .await
-            .unwrap()
-            .unwrap();
 
         assert_eq!(loaded_user.master_key(), own_identity.master_key());
-        assert_eq!(
+        assert_eq!(loaded_user.self_signing_key(), own_identity.self_signing_key());
-            loaded_user.self_signing_key(),
-            own_identity.self_signing_key()
-        );
         assert_eq!(loaded_user, own_identity.clone().into());
 
         let other_identity = get_other_identity();
@@ -1283,17 +1151,10 @@ mod test {
 
         store.save_changes(changes).await.unwrap();
 
-        let loaded_user = store
+        let loaded_user = store.get_user_identity(other_identity.user_id()).await.unwrap().unwrap();
-            .get_user_identity(other_identity.user_id())
-            .await
-            .unwrap()
-            .unwrap();
 
         assert_eq!(loaded_user.master_key(), other_identity.master_key());
-        assert_eq!(
+        assert_eq!(loaded_user.self_signing_key(), other_identity.self_signing_key());
-            loaded_user.self_signing_key(),
-            other_identity.self_signing_key()
-        );
         assert_eq!(loaded_user, other_identity.into());
 
         own_identity.mark_as_verified();
@@ -1317,10 +1178,7 @@ mod test {
         assert!(store.load_identity().await.unwrap().is_none());
         let identity = PrivateCrossSigningIdentity::new(alice_id()).await;
 
-        let changes = Changes {
+        let changes = Changes { private_identity: Some(identity.clone()), ..Default::default() };
-            private_identity: Some(identity.clone()),
-            ..Default::default()
-        };
 
         store.save_changes(changes).await.unwrap();
         let loaded_identity = store.load_identity().await.unwrap().unwrap();
@@ -1331,10 +1189,8 @@ mod test {
     async fn olm_hash_saving() {
         let (_, store, _dir) = get_loaded_store().await;
 
-        let hash = OlmMessageHash {
+        let hash =
-            sender_key: "test_sender".to_owned(),
+            OlmMessageHash { sender_key: "test_sender".to_owned(), hash: "test_hash".to_owned() };
-            hash: "test_hash".to_owned(),
-        };
 
         let mut changes = Changes::default();
         changes.message_hashes.push(hash.clone());

matrix_sdk_crypto/src/verification/machine.rs

@@ -15,9 +15,6 @@
 use std::{convert::TryFrom, sync::Arc};
 
 use dashmap::DashMap;
-
-use tracing::{info, trace, warn};
-
 use matrix_sdk_common::{
     events::{
         room::message::MessageType, AnyMessageEvent, AnySyncMessageEvent, AnySyncRoomEvent,
@@ -27,12 +24,12 @@ use matrix_sdk_common::{
     locks::Mutex,
     uuid::Uuid,
 };
+use tracing::{info, trace, warn};
 
 use super::{
     requests::VerificationRequest,
     sas::{content_to_request, OutgoingContent, Sas, VerificationResult},
 };
-
 use crate::{
     olm::PrivateCrossSigningIdentity,
     requests::OutgoingRequest,
@@ -85,18 +82,14 @@ impl VerificationMachine {
         );
 
         let request = match content.into() {
-            OutgoingContent::Room(r, c) => RoomMessageRequest {
+            OutgoingContent::Room(r, c) => {
-                room_id: r,
+                RoomMessageRequest { room_id: r, txn_id: Uuid::new_v4(), content: c }.into()
-                txn_id: Uuid::new_v4(),
-                content: c,
             }
-            .into(),
             OutgoingContent::ToDevice(c) => {
                 let request =
                     content_to_request(device.user_id(), device.device_id().to_owned(), c);
 
-                self.verifications
+                self.verifications.insert(sas.flow_id().as_str().to_owned(), sas.clone());
-                    .insert(sas.flow_id().as_str().to_owned(), sas.clone());
 
                 request.into()
             }
@@ -136,10 +129,7 @@ impl VerificationMachine {
                 let request = content_to_request(recipient, recipient_device.to_owned(), c);
                 let request_id = request.txn_id;
 
-                let request = OutgoingRequest {
+                let request = OutgoingRequest { request_id, request: Arc::new(request.into()) };
-                    request_id,
-                    request: Arc::new(request.into()),
-                };
 
                 self.outgoing_messages.insert(request_id, request);
             }
@@ -149,12 +139,7 @@ impl VerificationMachine {
 
                 let request = OutgoingRequest {
                     request: Arc::new(
-                        RoomMessageRequest {
+                        RoomMessageRequest { room_id: r, txn_id: request_id, content: c }.into(),
-                            room_id: r,
-                            txn_id: request_id,
-                            content: c,
-                        }
-                        .into(),
                     ),
                     request_id,
                 };
@@ -181,24 +166,17 @@ impl VerificationMachine {
     }
 
     pub fn outgoing_messages(&self) -> Vec<OutgoingRequest> {
-        self.outgoing_messages
+        self.outgoing_messages.iter().map(|r| (*r).clone()).collect()
-            .iter()
-            .map(|r| (*r).clone())
-            .collect()
     }
 
     pub fn garbage_collect(&self) {
-        self.verifications
+        self.verifications.retain(|_, s| !(s.is_done() || s.is_canceled()));
-            .retain(|_, s| !(s.is_done() || s.is_canceled()));
 
         for sas in self.verifications.iter() {
             if let Some(r) = sas.cancel_if_timed_out() {
                 self.outgoing_messages.insert(
                     r.request_id(),
-                    OutgoingRequest {
+                    OutgoingRequest { request_id: r.request_id(), request: Arc::new(r.into()) },
-                        request_id: r.request_id(),
-                        request: Arc::new(r.into()),
-                    },
                 );
             }
         }
@@ -239,8 +217,7 @@ impl VerificationMachine {
                                 r,
                             );
 
-                            self.requests
+                            self.requests.insert(request.flow_id().as_str().to_owned(), request);
-                                .insert(request.flow_id().as_str().to_owned(), request);
                         }
                     }
                 }
@@ -261,10 +238,8 @@ impl VerificationMachine {
                     if let Some((_, request)) =
                         self.requests.remove(e.content.relation.event_id.as_str())
                     {
-                        if let Some(d) = self
+                        if let Some(d) =
-                            .store
+                            self.store.get_device(&e.sender, &e.content.from_device).await?
-                            .get_device(&e.sender, &e.content.from_device)
-                            .await?
                         {
                             match request.into_started_sas(
                                 e,
@@ -370,8 +345,7 @@ impl VerificationMachine {
                     &e.content,
                 );
 
-                self.requests
+                self.requests.insert(request.flow_id().as_str().to_string(), request);
-                    .insert(request.flow_id().as_str().to_string(), request);
             }
             AnyToDeviceEvent::KeyVerificationReady(e) => {
                 if let Some(request) = self.requests.get(&e.content.transaction_id) {
@@ -388,11 +362,7 @@ impl VerificationMachine {
                     e.content.from_device
                 );
 
-                if let Some(d) = self
+                if let Some(d) = self.store.get_device(&e.sender, &e.content.from_device).await? {
-                    .store
-                    .get_device(&e.sender, &e.content.from_device)
-                    .await?
-                {
                     let private_identity = self.private_identity.lock().await.clone();
                     match Sas::from_start_event(
                         self.account.clone(),
@@ -403,8 +373,7 @@ impl VerificationMachine {
                         self.store.get_user_identity(&e.sender).await?,
                     ) {
                         Ok(s) => {
-                            self.verifications
+                            self.verifications.insert(e.content.transaction_id.clone(), s);
-                                .insert(e.content.transaction_id.clone(), s);
                         }
                         Err(c) => {
                             warn!(
@@ -455,10 +424,7 @@ impl VerificationMachine {
 
                                 self.outgoing_messages.insert(
                                     request_id,
-                                    OutgoingRequest {
+                                    OutgoingRequest { request_id, request: Arc::new(r.into()) },
-                                        request_id,
-                                        request: Arc::new(r.into()),
-                                    },
                                 );
                             }
                         }
@@ -535,10 +501,7 @@ mod test {
         );
 
         machine
-            .receive_event(&wrap_any_to_device_content(
+            .receive_event(&wrap_any_to_device_content(bob_sas.user_id(), start_content.into()))
-                bob_sas.user_id(),
-                start_content.into(),
-            ))
             .await
             .unwrap();
 

matrix_sdk_crypto/src/verification/mod.rs

@@ -17,11 +17,10 @@ mod requests;
 mod sas;
 
 pub use machine::VerificationMachine;
+use matrix_sdk_common::identifiers::{EventId, RoomId};
 pub use requests::VerificationRequest;
 pub use sas::{AcceptSettings, Sas, VerificationResult};
 
-use matrix_sdk_common::identifiers::{EventId, RoomId};
-
 #[derive(Clone, Debug, Hash, PartialEq, PartialOrd)]
 pub enum FlowId {
     ToDevice(String),
@@ -59,18 +58,17 @@ impl From<(RoomId, EventId)> for FlowId {
 
 #[cfg(test)]
 pub(crate) mod test {
-    use crate::{
-        requests::{OutgoingRequest, OutgoingRequests},
-        OutgoingVerificationRequest,
-    };
-    use serde_json::Value;
-
     use matrix_sdk_common::{
         events::{AnyToDeviceEvent, AnyToDeviceEventContent, EventType, ToDeviceEvent},
         identifiers::UserId,
     };
+    use serde_json::Value;
 
     use super::sas::OutgoingContent;
+    use crate::{
+        requests::{OutgoingRequest, OutgoingRequests},
+        OutgoingVerificationRequest,
+    };
 
     pub(crate) fn request_to_event(
         sender: &UserId,
@@ -94,11 +92,7 @@ pub(crate) mod test {
         sender: &UserId,
         content: OutgoingContent,
     ) -> AnyToDeviceEvent {
-        let content = if let OutgoingContent::ToDevice(c) = content {
+        let content = if let OutgoingContent::ToDevice(c) = content { c } else { unreachable!() };
-            c
-        } else {
-            unreachable!()
-        };
 
         match content {
             AnyToDeviceEventContent::KeyVerificationKey(c) => {
@@ -133,22 +127,11 @@ pub(crate) mod test {
     pub(crate) fn get_content_from_request(
         request: &OutgoingVerificationRequest,
     ) -> OutgoingContent {
-        let request = if let OutgoingVerificationRequest::ToDevice(r) = request {
+        let request =
-            r
+            if let OutgoingVerificationRequest::ToDevice(r) = request { r } else { unreachable!() };
-        } else {
-            unreachable!()
-        };
 
         let json: Value = serde_json::from_str(
-            request
+            request.messages.values().next().unwrap().values().next().unwrap().get(),
-                .messages
-                .values()
-                .next()
-                .unwrap()
-                .values()
-                .next()
-                .unwrap()
-                .get(),
         )
         .unwrap();
 

matrix_sdk_crypto/src/verification/requests.rs

@@ -35,6 +35,10 @@ use matrix_sdk_common::{
     uuid::Uuid,
 };
 
+use super::{
+    sas::{content_to_request, OutgoingContent, StartContent},
+    FlowId,
+};
 use crate::{
     olm::{PrivateCrossSigningIdentity, ReadOnlyAccount},
     store::CryptoStore,
@@ -42,11 +46,6 @@ use crate::{
     UserIdentities,
 };
 
-use super::{
-    sas::{content_to_request, OutgoingContent, StartContent},
-    FlowId,
-};
-
 const SUPPORTED_METHODS: &[VerificationMethod] = &[VerificationMethod::MSasV1];
 
 pub enum RequestContent<'a> {
@@ -256,15 +255,13 @@ impl VerificationRequest {
         content: RequestContent,
     ) -> Self {
         Self {
-            inner: Arc::new(Mutex::new(InnerRequest::Requested(
+            inner: Arc::new(Mutex::new(InnerRequest::Requested(RequestState::from_request_event(
-                RequestState::from_request_event(
                 account.user_id(),
                 account.device_id(),
                 sender,
                 &flow_id,
                 content,
-                ),
+            )))),
-            ))),
             account,
             other_user_id: sender.clone().into(),
             private_cross_signing_identity,
@@ -278,15 +275,12 @@ impl VerificationRequest {
         let mut inner = self.inner.lock().unwrap();
 
         inner.accept().map(|c| match c {
-            OutgoingContent::ToDevice(content) => self
+            OutgoingContent::ToDevice(content) => {
-                .content_to_request(inner.other_device_id(), content)
+                self.content_to_request(inner.other_device_id(), content).into()
-                .into(),
+            }
-            OutgoingContent::Room(room_id, content) => RoomMessageRequest {
+            OutgoingContent::Room(room_id, content) => {
-                room_id,
+                RoomMessageRequest { room_id, txn_id: Uuid::new_v4(), content }.into()
-                txn_id: Uuid::new_v4(),
-                content,
             }
-            .into(),
         })
     }
 
@@ -445,10 +439,7 @@ impl RequestState<Created> {
             own_user_id: own_user_id.to_owned(),
             own_device_id: own_device_id.to_owned(),
             other_user_id: other_user_id.to_owned(),
-            state: Created {
+            state: Created { methods: SUPPORTED_METHODS.to_vec(), flow_id: flow_id.to_owned() },
-                methods: SUPPORTED_METHODS.to_vec(),
-                flow_id: flow_id.to_owned(),
-            },
         }
     }
 
@@ -589,14 +580,9 @@ impl RequestState<Ready> {
         other_identity: Option<UserIdentities>,
     ) -> (Sas, StartContent) {
         match self.state.flow_id {
-            FlowId::ToDevice(t) => Sas::start(
+            FlowId::ToDevice(t) => {
-                account,
+                Sas::start(account, private_identity, other_device, store, other_identity, Some(t))
-                private_identity,
+            }
-                other_device,
-                store,
-                other_identity,
-                Some(t),
-            ),
             FlowId::InRoom(r, e) => Sas::start_in_room(
                 e,
                 r,
@@ -630,6 +616,7 @@ mod test {
     };
     use matrix_sdk_test::async_test;
 
+    use super::VerificationRequest;
     use crate::{
         olm::{PrivateCrossSigningIdentity, ReadOnlyAccount},
         store::{CryptoStore, MemoryStore},
@@ -640,8 +627,6 @@ mod test {
         ReadOnlyDevice,
     };
 
-    use super::VerificationRequest;
-
     fn alice_id() -> UserId {
         UserId::try_from("@alice:example.org").unwrap()
     }
@@ -760,9 +745,7 @@ mod test {
             panic!("Invalid start event content type");
         };
 
-        let alice_sas = alice_request
+        let alice_sas = alice_request.into_started_sas(&event, bob_device, None).unwrap();
-            .into_started_sas(&event, bob_device, None)
-            .unwrap();
 
         assert!(!bob_sas.is_canceled());
         assert!(!alice_sas.is_canceled());

matrix_sdk_crypto/src/verification/sas/event_enums.rs

@@ -59,10 +59,7 @@ impl StartContent {
             StartContent::Room(_, c) => serde_json::to_value(c),
         };
 
-        content
+        content.expect("Can't serialize content").try_into().expect("Can't canonicalize content")
-            .expect("Can't serialize content")
-            .try_into()
-            .expect("Can't canonicalize content")
     }
 }
 
@@ -287,14 +284,7 @@ impl From<OutgoingVerificationRequest> for OutgoingContent {
         match request {
             OutgoingVerificationRequest::ToDevice(r) => {
                 let json: Value = serde_json::from_str(
-                    r.messages
+                    r.messages.values().next().unwrap().values().next().unwrap().get(),
-                        .values()
-                        .next()
-                        .unwrap()
-                        .values()
-                        .next()
-                        .unwrap()
-                        .get(),
                 )
                 .unwrap();
 

matrix_sdk_crypto/src/verification/sas/helpers.rs

@@ -14,11 +14,6 @@
 
 use std::{collections::BTreeMap, convert::TryInto};
 
-use sha2::{Digest, Sha256};
-use tracing::{trace, warn};
-
-use olm_rs::sas::OlmSas;
-
 use matrix_sdk_common::{
     api::r0::to_device::DeviceIdOrAllDevices,
     events::{
@@ -32,17 +27,19 @@ use matrix_sdk_common::{
     identifiers::{DeviceKeyAlgorithm, DeviceKeyId, UserId},
     uuid::Uuid,
 };
-
+use olm_rs::sas::OlmSas;
-use crate::{
+use sha2::{Digest, Sha256};
-    identities::{ReadOnlyDevice, UserIdentities},
+use tracing::{trace, warn};
-    utilities::encode,
-    ReadOnlyAccount, ToDeviceRequest,
-};
 
 use super::{
     event_enums::{MacContent, StartContent},
     FlowId,
 };
+use crate::{
+    identities::{ReadOnlyDevice, UserIdentities},
+    utilities::encode,
+    ReadOnlyAccount, ToDeviceRequest,
+};
 
 #[derive(Clone, Debug)]
 pub struct SasIds {
@@ -65,12 +62,7 @@ pub fn calculate_commitment(public_key: &str, content: impl Into<StartContent>)
     let content = content.into().canonical_json();
     let content_string = content.to_string();
 
-    encode(
+    encode(Sha256::new().chain(&public_key).chain(&content_string).finalize())
-        Sha256::new()
-            .chain(&public_key)
-            .chain(&content_string)
-            .finalize(),
-    )
 }
 
 /// Get a tuple of an emoji and a description of the emoji using a number.
@@ -234,11 +226,7 @@ pub fn receive_mac_event(
                     .calculate_mac(key, &format!("{}{}", info, key_id))
                     .expect("Can't calculate SAS MAC")
             {
-                trace!(
+                trace!("Successfully verified the device key {} from {}", key_id, sender);
-                    "Successfully verified the device key {} from {}",
-                    key_id,
-                    sender
-                );
 
                 verified_devices.push(ids.other_device.clone());
             } else {
@@ -253,11 +241,7 @@ pub fn receive_mac_event(
                         .calculate_mac(key, &format!("{}{}", info, key_id))
                         .expect("Can't calculate SAS MAC")
                 {
-                    trace!(
+                    trace!("Successfully verified the master key {} from {}", key_id, sender);
-                        "Successfully verified the master key {} from {}",
-                        key_id,
-                        sender
-                    );
                     verified_identities.push(identity.clone())
                 } else {
                     return Err(CancelCode::KeyMismatch);
@@ -319,8 +303,7 @@ pub fn get_mac_content(sas: &OlmSas, ids: &SasIds, flow_id: &FlowId) -> MacConte
 
     mac.insert(
         key_id.to_string(),
-        sas.calculate_mac(key, &format!("{}{}", info, key_id))
+        sas.calculate_mac(key, &format!("{}{}", info, key_id)).expect("Can't calculate SAS MAC"),
-            .expect("Can't calculate SAS MAC"),
     );
 
     // TODO Add the cross signing master key here if we trust/have it.
@@ -332,23 +315,13 @@ pub fn get_mac_content(sas: &OlmSas, ids: &SasIds, flow_id: &FlowId) -> MacConte
         .expect("Can't calculate SAS MAC");
 
     match flow_id {
-        FlowId::ToDevice(s) => MacToDeviceEventContent {
+        FlowId::ToDevice(s) => {
-            transaction_id: s.to_string(),
+            MacToDeviceEventContent { transaction_id: s.to_string(), keys, mac }.into()
-            keys,
+        }
-            mac,
+        FlowId::InRoom(r, e) => {
+            (r.clone(), MacEventContent { mac, keys, relation: Relation { event_id: e.clone() } })
+                .into()
         }
-        .into(),
-        FlowId::InRoom(r, e) => (
-            r.clone(),
-            MacEventContent {
-                mac,
-                keys,
-                relation: Relation {
-                    event_id: e.clone(),
-                },
-            },
-        )
-            .into(),
     }
 }
 
@@ -369,24 +342,12 @@ fn extra_info_sas(
     flow_id: &str,
     we_started: bool,
 ) -> String {
-    let our_info = format!(
+    let our_info = format!("{}|{}|{}", ids.account.user_id(), ids.account.device_id(), own_pubkey);
-        "{}|{}|{}",
+    let their_info =
-        ids.account.user_id(),
+        format!("{}|{}|{}", ids.other_device.user_id(), ids.other_device.device_id(), their_pubkey);
-        ids.account.device_id(),
-        own_pubkey
-    );
-    let their_info = format!(
-        "{}|{}|{}",
-        ids.other_device.user_id(),
-        ids.other_device.device_id(),
-        their_pubkey
-    );
 
-    let (first_info, second_info) = if we_started {
+    let (first_info, second_info) =
-        (our_info, their_info)
+        if we_started { (our_info, their_info) } else { (their_info, our_info) };
-    } else {
-        (their_info, our_info)
-    };
 
     let info = format!(
         "MATRIX_KEY_VERIFICATION_SAS|{first_info}|{second_info}|{flow_id}",
@@ -585,11 +546,7 @@ pub fn content_to_request(
         _ => unreachable!(),
     };
 
-    ToDeviceRequest {
+    ToDeviceRequest { txn_id: Uuid::new_v4(), event_type, messages }
-        txn_id: Uuid::new_v4(),
-        event_type,
-        messages,
-    }
 }
 
 #[cfg(test)]
@@ -627,18 +584,14 @@ mod test {
     #[test]
     fn emoji_generation() {
         let bytes = vec![0, 0, 0, 0, 0, 0];
-        let index: Vec<(&'static str, &'static str)> = vec![0, 0, 0, 0, 0, 0, 0]
+        let index: Vec<(&'static str, &'static str)> =
-            .into_iter()
+            vec![0, 0, 0, 0, 0, 0, 0].into_iter().map(emoji_from_index).collect();
-            .map(emoji_from_index)
-            .collect();
         assert_eq!(bytes_to_emoji(bytes), index.as_ref());
 
         let bytes = vec![0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF];
 
-        let index: Vec<(&'static str, &'static str)> = vec![63, 63, 63, 63, 63, 63, 63]
+        let index: Vec<(&'static str, &'static str)> =
-            .into_iter()
+            vec![63, 63, 63, 63, 63, 63, 63].into_iter().map(emoji_from_index).collect();
-            .map(emoji_from_index)
-            .collect();
         assert_eq!(bytes_to_emoji(bytes), index.as_ref());
     }
 

matrix_sdk_crypto/src/verification/sas/inner_sas.rs

@@ -12,11 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+use std::sync::Arc;
 #[cfg(test)]
 use std::time::Instant;
 
-use std::sync::Arc;
-
 use matrix_sdk_common::{
     events::{
         key::verification::{cancel::CancelCode, ShortAuthenticationString},
@@ -25,11 +24,6 @@ use matrix_sdk_common::{
     identifiers::{EventId, RoomId},
 };
 
-use crate::{
-    identities::{ReadOnlyDevice, UserIdentities},
-    ReadOnlyAccount,
-};
-
 use super::{
     event_enums::{AcceptContent, CancelContent, MacContent, OutgoingContent},
     sas_state::{
@@ -38,6 +32,10 @@ use super::{
     },
     FlowId, StartContent,
 };
+use crate::{
+    identities::{ReadOnlyDevice, UserIdentities},
+    ReadOnlyAccount,
+};
 
 #[derive(Clone, Debug)]
 pub enum InnerSas {
@@ -315,14 +313,15 @@ impl InnerSas {
                 _ => (self, None),
             },
             AnyToDeviceEvent::KeyVerificationMac(e) => match self {
-                InnerSas::KeyRecieved(s) => match s.into_mac_received(&e.sender, e.content.clone())
+                InnerSas::KeyRecieved(s) => {
-                {
+                    match s.into_mac_received(&e.sender, e.content.clone()) {
                         Ok(s) => (InnerSas::MacReceived(s), None),
                         Err(s) => {
                             let content = s.as_content();
                             (InnerSas::Canceled(s), Some(content.into()))
                         }
-                },
+                    }
+                }
                 InnerSas::Confirmed(s) => match s.into_done(&e.sender, e.content.clone()) {
                     Ok(s) => (InnerSas::Done(s), None),
                     Err(s) => {

matrix_sdk_crypto/src/verification/sas/mod.rs

@@ -17,13 +17,14 @@ mod helpers;
 mod inner_sas;
 mod sas_state;
 
+use std::sync::{Arc, Mutex};
 #[cfg(test)]
 use std::time::Instant;
 
 use event_enums::AcceptContent;
-use std::sync::{Arc, Mutex};
+pub use event_enums::{CancelContent, OutgoingContent, StartContent};
-use tracing::{error, info, trace, warn};
+pub use helpers::content_to_request;
-
+use inner_sas::InnerSas;
 use matrix_sdk_common::{
     api::r0::keys::upload_signatures::Request as SignatureUploadRequest,
     events::{
@@ -37,7 +38,9 @@ use matrix_sdk_common::{
     identifiers::{DeviceId, EventId, RoomId, UserId},
     uuid::Uuid,
 };
+use tracing::{error, info, trace, warn};
 
+use super::FlowId;
 use crate::{
     error::SignatureError,
     identities::{LocalTrust, ReadOnlyDevice, UserIdentities},
@@ -47,12 +50,6 @@ use crate::{
     ReadOnlyAccount, ToDeviceRequest,
 };
 
-use super::FlowId;
-
-pub use event_enums::{CancelContent, OutgoingContent, StartContent};
-pub use helpers::content_to_request;
-use inner_sas::InnerSas;
-
 #[derive(Debug)]
 /// A result of a verification flow.
 #[allow(clippy::large_enum_variant)]
@@ -275,11 +272,7 @@ impl Sas {
         &self,
         settings: AcceptSettings,
     ) -> Option<OutgoingVerificationRequest> {
-        self.inner
+        self.inner.lock().unwrap().accept().map(|c| match settings.apply(c) {
-            .lock()
-            .unwrap()
-            .accept()
-            .map(|c| match settings.apply(c) {
             AcceptContent::ToDevice(c) => {
                 let content = AnyToDeviceEventContent::KeyVerificationAccept(c);
                 self.content_to_request(content).into()
@@ -303,10 +296,7 @@ impl Sas {
     pub async fn confirm(
         &self,
     ) -> Result<
-        (
+        (Option<OutgoingVerificationRequest>, Option<SignatureUploadRequest>),
-            Option<OutgoingVerificationRequest>,
-            Option<SignatureUploadRequest>,
-        ),
         CryptoStoreError,
     > {
         let (content, done) = {
@@ -319,9 +309,9 @@ impl Sas {
         };
 
         let mac_request = content.map(|c| match c {
-            event_enums::MacContent::ToDevice(c) => self
+            event_enums::MacContent::ToDevice(c) => {
-                .content_to_request(AnyToDeviceEventContent::KeyVerificationMac(c))
+                self.content_to_request(AnyToDeviceEventContent::KeyVerificationMac(c)).into()
-                .into(),
+            }
             event_enums::MacContent::Room(r, c) => RoomMessageRequest {
                 room_id: r,
                 txn_id: Uuid::new_v4(),
@@ -374,10 +364,7 @@ impl Sas {
             };
 
             let mut changes = Changes {
-                devices: DeviceChanges {
+                devices: DeviceChanges { changed: vec![device], ..Default::default() },
-                    changed: vec![device],
-                    ..Default::default()
-                },
                 ..Default::default()
             };
 
@@ -437,10 +424,7 @@ impl Sas {
                 .map(VerificationResult::SignatureUpload)
                 .unwrap_or(VerificationResult::Ok))
         } else {
-            Ok(self
+            Ok(self.cancel().map(VerificationResult::Cancel).unwrap_or(VerificationResult::Ok))
-                .cancel()
-                .map(VerificationResult::Cancel)
-                .unwrap_or(VerificationResult::Ok))
         }
     }
 
@@ -463,14 +447,8 @@ impl Sas {
                 .as_ref()
                 .map_or(false, |i| i.master_key() == identity.master_key())
             {
-                if self
+                if self.verified_identities().map_or(false, |i| i.contains(&identity)) {
-                    .verified_identities()
+                    trace!("Marking user identity of {} as verified.", identity.user_id(),);
-                    .map_or(false, |i| i.contains(&identity))
-                {
-                    trace!(
-                        "Marking user identity of {} as verified.",
-                        identity.user_id(),
-                    );
 
                     if let UserIdentities::Own(i) = &identity {
                         i.mark_as_verified();
@@ -509,17 +487,11 @@ impl Sas {
     pub(crate) async fn mark_device_as_verified(
         &self,
     ) -> Result<Option<ReadOnlyDevice>, CryptoStoreError> {
-        let device = self
+        let device = self.store.get_device(self.other_user_id(), self.other_device_id()).await?;
-            .store
-            .get_device(self.other_user_id(), self.other_device_id())
-            .await?;
 
         if let Some(device) = device {
             if device.keys() == self.other_device.keys() {
-                if self
+                if self.verified_devices().map_or(false, |v| v.contains(&device)) {
-                    .verified_devices()
-                    .map_or(false, |v| v.contains(&device))
-                {
                     trace!(
                         "Marking device {} {} as verified.",
                         device.user_id(),
@@ -580,9 +552,9 @@ impl Sas {
                 content: AnyMessageEventContent::KeyVerificationCancel(content),
             }
             .into(),
-            CancelContent::ToDevice(c) => self
+            CancelContent::ToDevice(c) => {
-                .content_to_request(AnyToDeviceEventContent::KeyVerificationCancel(c))
+                self.content_to_request(AnyToDeviceEventContent::KeyVerificationCancel(c)).into()
-                .into(),
+            }
         })
     }
 
@@ -684,11 +656,7 @@ impl Sas {
     }
 
     pub(crate) fn content_to_request(&self, content: AnyToDeviceEventContent) -> ToDeviceRequest {
-        content_to_request(
+        content_to_request(self.other_user_id(), self.other_device_id().to_owned(), content)
-            self.other_user_id(),
-            self.other_device_id().to_owned(),
-            content,
-        )
     }
 }
 
@@ -717,9 +685,7 @@ impl AcceptSettings {
     ///
     /// * `methods` - The methods this client allows at most
     pub fn with_allowed_methods(methods: Vec<ShortAuthenticationString>) -> Self {
-        Self {
+        Self { allowed_methods: methods }
-            allowed_methods: methods,
-        }
     }
 
     fn apply(self, mut content: AcceptContent) -> AcceptContent {
@@ -728,15 +694,8 @@ impl AcceptSettings {
                 method: AcceptMethod::MSasV1(c),
                 ..
             })
-            | AcceptContent::Room(
+            | AcceptContent::Room(_, AcceptEventContent { method: AcceptMethod::MSasV1(c), .. }) => {
-                _,
+                c.short_authentication_string.retain(|sas| self.allowed_methods.contains(sas));
-                AcceptEventContent {
-                    method: AcceptMethod::MSasV1(c),
-                    ..
-                },
-            ) => {
-                c.short_authentication_string
-                    .retain(|sas| self.allowed_methods.contains(sas));
                 content
             }
             _ => content,
@@ -750,6 +709,7 @@ mod test {
 
     use matrix_sdk_common::identifiers::{DeviceId, UserId};
 
+    use super::Sas;
     use crate::{
         olm::PrivateCrossSigningIdentity,
         store::{CryptoStore, MemoryStore},
@@ -757,8 +717,6 @@ mod test {
         ReadOnlyAccount, ReadOnlyDevice,
     };
 
-    use super::Sas;
-
     fn alice_id() -> UserId {
         UserId::try_from("@alice:example.org").unwrap()
     }
@@ -841,13 +799,7 @@ mod test {
         );
         alice.receive_event(&event);
 
-        assert!(alice
+        assert!(alice.verified_devices().unwrap().contains(&alice.other_device()));
-            .verified_devices()
+        assert!(bob.verified_devices().unwrap().contains(&bob.other_device()));
-            .unwrap()
-            .contains(&alice.other_device()));
-        assert!(bob
-            .verified_devices()
-            .unwrap()
-            .contains(&bob.other_device()));
     }
 }

matrix_sdk_crypto/src/verification/sas/sas_state.rs

@@ -19,8 +19,6 @@ use std::{
     time::{Duration, Instant},
 };
 
-use olm_rs::sas::OlmSas;
-
 use matrix_sdk_common::{
     events::key::verification::{
         accept::{
@@ -40,6 +38,7 @@ use matrix_sdk_common::{
     identifiers::{DeviceId, EventId, RoomId, UserId},
     uuid::Uuid,
 };
+use olm_rs::sas::OlmSas;
 use tracing::info;
 
 use super::{
@@ -51,7 +50,6 @@ use super::{
         receive_mac_event, SasIds,
     },
 };
-
 use crate::{
     identities::{ReadOnlyDevice, UserIdentities},
     verification::FlowId,
@@ -62,10 +60,8 @@ const KEY_AGREEMENT_PROTOCOLS: &[KeyAgreementProtocol] =
     &[KeyAgreementProtocol::Curve25519HkdfSha256];
 const HASHES: &[HashAlgorithm] = &[HashAlgorithm::Sha256];
 const MACS: &[MessageAuthenticationCode] = &[MessageAuthenticationCode::HkdfHmacSha256];
-const STRINGS: &[ShortAuthenticationString] = &[
+const STRINGS: &[ShortAuthenticationString] =
-    ShortAuthenticationString::Decimal,
+    &[ShortAuthenticationString::Decimal, ShortAuthenticationString::Emoji];
-    ShortAuthenticationString::Emoji,
-];
 
 // The max time a SAS flow can take from start to done.
 const MAX_AGE: Duration = Duration::from_secs(60 * 5);
@@ -91,9 +87,7 @@ impl TryFrom<AcceptV1Content> for AcceptedProtocols {
         if !KEY_AGREEMENT_PROTOCOLS.contains(&content.key_agreement_protocol)
             || !HASHES.contains(&content.hash)
             || !MACS.contains(&content.message_authentication_code)
-            || (!content
+            || (!content.short_authentication_string.contains(&ShortAuthenticationString::Emoji)
-                .short_authentication_string
-                .contains(&ShortAuthenticationString::Emoji)
                 && !content
                     .short_authentication_string
                     .contains(&ShortAuthenticationString::Decimal))
@@ -402,11 +396,7 @@ impl SasState<Created> {
     ) -> SasState<Created> {
         SasState {
             inner: Arc::new(Mutex::new(OlmSas::new())),
-            ids: SasIds {
+            ids: SasIds { account, other_device, other_identity },
-                account,
-                other_device,
-                other_identity,
-            },
             verification_flow_id: flow_id.into(),
 
             creation_time: Arc::new(Instant::now()),
@@ -441,9 +431,7 @@ impl SasState<Created> {
                         MSasV1Content::new(self.state.protocol_definitions.clone())
                             .expect("Invalid initial protocol definitions."),
                     ),
-                    relation: Relation {
+                    relation: Relation { event_id: e.clone() },
-                        event_id: e.clone(),
-                    },
                 },
             ),
         }
@@ -490,8 +478,8 @@ impl SasState<Created> {
 }
 
 impl SasState<Started> {
-    /// Create a new SAS verification flow from an in-room m.key.verification.start
+    /// Create a new SAS verification flow from an in-room
-    /// event.
+    /// m.key.verification.start event.
     ///
     /// This will put us in the `started` state.
     ///
@@ -549,11 +537,7 @@ impl SasState<Started> {
                 Ok(SasState {
                     inner: Arc::new(Mutex::new(sas)),
 
-                    ids: SasIds {
+                    ids: SasIds { account, other_device, other_identity },
-                        account,
-                        other_device,
-                        other_identity,
-                    },
 
                     creation_time: Arc::new(Instant::now()),
                     last_event_time: Arc::new(Instant::now()),
@@ -605,19 +589,12 @@ impl SasState<Started> {
         );
 
         match self.verification_flow_id.as_ref() {
-            FlowId::ToDevice(s) => AcceptToDeviceEventContent {
+            FlowId::ToDevice(s) => {
-                transaction_id: s.to_string(),
+                AcceptToDeviceEventContent { transaction_id: s.to_string(), method }.into()
-                method,
             }
-            .into(),
             FlowId::InRoom(r, e) => (
                 r.clone(),
-                AcceptEventContent {
+                AcceptEventContent { method, relation: Relation { event_id: e.clone() } },
-                    method,
-                    relation: Relation {
-                        event_id: e.clone(),
-                    },
-                },
             )
                 .into(),
         }
@@ -683,10 +660,8 @@ impl SasState<Accepted> {
         self.check_event(&sender, content.flow_id().as_str())
             .map_err(|c| self.clone().cancel(c))?;
 
-        let commitment = calculate_commitment(
+        let commitment =
-            content.public_key(),
+            calculate_commitment(content.public_key(), self.state.start_content.as_ref().clone());
-            self.state.start_content.as_ref().clone(),
-        );
 
         if self.state.commitment != commitment {
             Err(self.cancel(CancelCode::InvalidMessage))
@@ -728,9 +703,7 @@ impl SasState<Accepted> {
                 r.clone(),
                 KeyEventContent {
                     key: self.inner.lock().unwrap().public_key(),
-                    relation: Relation {
+                    relation: Relation { event_id: e.clone() },
-                        event_id: e.clone(),
-                    },
                 },
             )
                 .into(),
@@ -754,9 +727,7 @@ impl SasState<KeyReceived> {
                 r.clone(),
                 KeyEventContent {
                     key: self.inner.lock().unwrap().public_key(),
-                    relation: Relation {
+                    relation: Relation { event_id: e.clone() },
-                        event_id: e.clone(),
-                    },
                 },
             )
                 .into(),
@@ -779,8 +750,8 @@ impl SasState<KeyReceived> {
 
     /// Get the index of the emoji of the short authentication string.
     ///
-    /// Returns seven u8 numbers in the range from 0 to 63 inclusive, those numbers
+    /// Returns seven u8 numbers in the range from 0 to 63 inclusive, those
-    /// can be converted to a unique emoji defined by the spec.
+    /// numbers can be converted to a unique emoji defined by the spec.
     pub fn get_emoji_index(&self) -> [u8; 7] {
         get_emoji_index(
             &self.inner.lock().unwrap(),
@@ -952,11 +923,7 @@ impl SasState<Confirmed> {
     ///
     /// The content needs to be automatically sent to the other side.
     pub fn as_content(&self) -> MacContent {
-        get_mac_content(
+        get_mac_content(&self.inner.lock().unwrap(), &self.ids, &self.verification_flow_id)
-            &self.inner.lock().unwrap(),
-            &self.ids,
-            &self.verification_flow_id,
-        )
     }
 }
 
@@ -1015,8 +982,8 @@ impl SasState<MacReceived> {
 
     /// Get the index of the emoji of the short authentication string.
     ///
-    /// Returns seven u8 numbers in the range from 0 to 63 inclusive, those numbers
+    /// Returns seven u8 numbers in the range from 0 to 63 inclusive, those
-    /// can be converted to a unique emoji defined by the spec.
+    /// numbers can be converted to a unique emoji defined by the spec.
     pub fn get_emoji_index(&self) -> [u8; 7] {
         get_emoji_index(
             &self.inner.lock().unwrap(),
@@ -1048,11 +1015,7 @@ impl SasState<WaitingForDone> {
     /// The content needs to be automatically sent to the other side if it
     /// wasn't already sent.
     pub fn as_content(&self) -> MacContent {
-        get_mac_content(
+        get_mac_content(&self.inner.lock().unwrap(), &self.ids, &self.verification_flow_id)
-            &self.inner.lock().unwrap(),
-            &self.ids,
-            &self.verification_flow_id,
-        )
     }
 
     pub fn done_content(&self) -> DoneContent {
@@ -1060,15 +1023,9 @@ impl SasState<WaitingForDone> {
             FlowId::ToDevice(_) => {
                 unreachable!("The done content isn't supported yet for to-device verifications")
             }
-            FlowId::InRoom(r, e) => (
+            FlowId::InRoom(r, e) => {
-                r.clone(),
+                (r.clone(), DoneEventContent { relation: Relation { event_id: e.clone() } }).into()
-                DoneEventContent {
+            }
-                    relation: Relation {
-                        event_id: e.clone(),
-                    },
-                },
-            )
-                .into(),
         }
     }
 
@@ -1110,11 +1067,7 @@ impl SasState<Done> {
     /// The content needs to be automatically sent to the other side if it
     /// wasn't already sent.
     pub fn as_content(&self) -> MacContent {
-        get_mac_content(
+        get_mac_content(&self.inner.lock().unwrap(), &self.ids, &self.verification_flow_id)
-            &self.inner.lock().unwrap(),
-            &self.ids,
-            &self.verification_flow_id,
-        )
     }
 
     pub fn done_content(&self) -> DoneContent {
@@ -1122,15 +1075,9 @@ impl SasState<Done> {
             FlowId::ToDevice(_) => {
                 unreachable!("The done content isn't supported yet for to-device verifications")
             }
-            FlowId::InRoom(r, e) => (
+            FlowId::InRoom(r, e) => {
-                r.clone(),
+                (r.clone(), DoneEventContent { relation: Relation { event_id: e.clone() } }).into()
-                DoneEventContent {
+            }
-                    relation: Relation {
-                        event_id: e.clone(),
-                    },
-                },
-            )
-                .into(),
         }
     }
 
@@ -1166,10 +1113,7 @@ impl Canceled {
             _ => unimplemented!(),
         };
 
-        Canceled {
+        Canceled { cancel_code: code, reason }
-            cancel_code: code,
-            reason,
-        }
     }
 }
 
@@ -1188,9 +1132,7 @@ impl SasState<Canceled> {
                 CancelEventContent {
                     reason: self.state.reason.to_string(),
                     code: self.state.cancel_code.clone(),
-                    relation: Relation {
+                    relation: Relation { event_id: e.clone() },
-                        event_id: e.clone(),
-                    },
                 },
             )
                 .into(),
@@ -1202,10 +1144,6 @@ impl SasState<Canceled> {
 mod test {
     use std::convert::TryFrom;
 
-    use crate::{
-        verification::sas::{event_enums::AcceptContent, StartContent},
-        ReadOnlyAccount, ReadOnlyDevice,
-    };
     use matrix_sdk_common::{
         events::key::verification::{
             accept::{AcceptMethod, CustomContent},
@@ -1215,6 +1153,10 @@ mod test {
     };
 
     use super::{Accepted, Created, SasState, Started};
+    use crate::{
+        verification::sas::{event_enums::AcceptContent, StartContent},
+        ReadOnlyAccount, ReadOnlyDevice,
+    };
 
     fn alice_id() -> UserId {
         UserId::try_from("@alice:example.org").unwrap()
@@ -1353,9 +1295,7 @@ mod test {
 
         let content = bob.as_content();
         let sender = UserId::try_from("@malory:example.org").unwrap();
-        alice
+        alice.into_accepted(&sender, content).expect_err("Didn't cancel on a invalid sender");
-            .into_accepted(&sender, content)
-            .expect_err("Didn't cancel on a invalid sender");
     }
 
     #[tokio::test]

matrix_sdk_test/src/lib.rs

@@ -1,7 +1,6 @@
 use std::{collections::HashMap, panic};
 
 use http::Response;
-
 use matrix_sdk_common::{
     api::r0::sync::sync_events::Response as SyncResponse,
     events::{
@@ -11,9 +10,8 @@ use matrix_sdk_common::{
     identifiers::{room_id, RoomId},
     IncomingResponse,
 };
-use serde_json::Value as JsonValue;
-
 pub use matrix_sdk_test_macros::async_test;
+use serde_json::Value as JsonValue;
 
 pub mod test_json;
 
@@ -44,16 +42,17 @@ pub enum EventsJson {
     Typing,
 }
 
-/// The `EventBuilder` struct can be used to easily generate valid sync responses for testing.
+/// The `EventBuilder` struct can be used to easily generate valid sync
-/// These can be then fed into either `Client` or `Room`.
+/// responses for testing. These can be then fed into either `Client` or `Room`.
 ///
-/// It supports generated a number of canned events, such as a member entering a room, his power
+/// It supports generated a number of canned events, such as a member entering a
-/// level and display name changing and similar. It also supports insertion of custom events in the
+/// room, his power level and display name changing and similar. It also
-/// form of `EventsJson` values.
+/// supports insertion of custom events in the form of `EventsJson` values.
 ///
-/// **Important** You *must* use the *same* builder when sending multiple sync responses to
+/// **Important** You *must* use the *same* builder when sending multiple sync
-/// a single client. Otherwise, the subsequent responses will be *ignored* by the client because
+/// responses to a single client. Otherwise, the subsequent responses will be
-/// the `next_batch` sync token will not be rotated properly.
+/// *ignored* by the client because the `next_batch` sync token will not be
+/// rotated properly.
 ///
 /// # Example usage
 ///
@@ -94,7 +93,8 @@ pub struct EventBuilder {
     ephemeral: Vec<AnySyncEphemeralRoomEvent>,
     /// The account data events that determine the state of a `Room`.
     account_data: Vec<AnyGlobalAccountDataEvent>,
-    /// Internal counter to enable the `prev_batch` and `next_batch` of each sync response to vary.
+    /// Internal counter to enable the `prev_batch` and `next_batch` of each
+    /// sync response to vary.
     batch_counter: i64,
 }
 
@@ -154,10 +154,7 @@ impl EventBuilder {
     }
 
     fn add_joined_event(&mut self, room_id: &RoomId, event: AnySyncRoomEvent) {
-        self.joined_room_events
+        self.joined_room_events.entry(room_id.clone()).or_insert_with(Vec::new).push(event);
-            .entry(room_id.clone())
-            .or_insert_with(Vec::new)
-            .push(event);
     }
 
     pub fn add_custom_invited_event(
@@ -166,10 +163,7 @@ impl EventBuilder {
         event: serde_json::Value,
     ) -> &mut Self {
         let event = serde_json::from_value::<AnySyncStateEvent>(event).unwrap();
-        self.invited_room_events
+        self.invited_room_events.entry(room_id.clone()).or_insert_with(Vec::new).push(event);
-            .entry(room_id.clone())
-            .or_insert_with(Vec::new)
-            .push(event);
         self
     }
 
@@ -179,10 +173,7 @@ impl EventBuilder {
         event: serde_json::Value,
     ) -> &mut Self {
         let event = serde_json::from_value::<AnySyncRoomEvent>(event).unwrap();
-        self.left_room_events
+        self.left_room_events.entry(room_id.clone()).or_insert_with(Vec::new).push(event);
-            .entry(room_id.clone())
-            .or_insert_with(Vec::new)
-            .push(event);
         self
     }
 
@@ -227,7 +218,8 @@ impl EventBuilder {
     pub fn build_json_sync_response(&mut self) -> JsonValue {
         let main_room_id = room_id!("!SVkFJHzfwvuaIEawgC:localhost");
 
-        // First time building a sync response, so initialize the `prev_batch` to a default one.
+        // First time building a sync response, so initialize the `prev_batch` to a
+        // default one.
         let prev_batch = self.generate_sync_token();
         self.batch_counter += 1;
         let next_batch = self.generate_sync_token();
@@ -352,9 +344,7 @@ impl EventBuilder {
     pub fn build_sync_response(&mut self) -> SyncResponse {
         let body = self.build_json_sync_response();
 
-        let response = Response::builder()
+        let response = Response::builder().body(serde_json::to_vec(&body).unwrap()).unwrap();
-            .body(serde_json::to_vec(&body).unwrap())
-            .unwrap();
 
         SyncResponse::try_from_http_response(response).unwrap()
     }
@@ -395,15 +385,10 @@ pub fn sync_response(kind: SyncResponseFile) -> SyncResponse {
         SyncResponseFile::Voip => &test_json::VOIP_SYNC,
     };
 
-    let response = Response::builder()
+    let response = Response::builder().body(data.to_string().as_bytes().to_vec()).unwrap();
-        .body(data.to_string().as_bytes().to_vec())
-        .unwrap();
     SyncResponse::try_from_http_response(response).unwrap()
 }
 
 pub fn response_from_file(json: &serde_json::Value) -> Response<Vec<u8>> {
-    Response::builder()
+    Response::builder().status(200).body(json.to_string().as_bytes().to_vec()).unwrap()
-        .status(200)
-        .body(json.to_string().as_bytes().to_vec())
-        .unwrap()
 }

matrix_sdk_test/src/test_json/mod.rs

@@ -1,8 +1,8 @@
 //! Test data for the matrix-sdk crates.
 //!
-//! Exporting each const allows all the test data to have a single source of truth.
+//! Exporting each const allows all the test data to have a single source of
-//! When running `cargo publish` no external folders are allowed so all the
+//! truth. When running `cargo publish` no external folders are allowed so all
-//! test data needs to be contained within this crate.
+//! the test data needs to be contained within this crate.
 
 use lazy_static::lazy_static;
 use serde_json::{json, Value as JsonValue};
@@ -17,12 +17,11 @@ pub use events::{
     PUBLIC_ROOMS, REACTION, REDACTED, REDACTED_INVALID, REDACTED_STATE, REDACTION,
     REGISTRATION_RESPONSE_ERR, ROOM_ID, ROOM_MESSAGES, TYPING,
 };
+pub use members::MEMBERS;
 pub use sync::{
     DEFAULT_SYNC_SUMMARY, INVITE_SYNC, LEAVE_SYNC, LEAVE_SYNC_EVENT, MORE_SYNC, SYNC, VOIP_SYNC,
 };
 
-pub use members::MEMBERS;
-
 lazy_static! {
     pub static ref DEVICES: JsonValue = json!({
         "devices": [

matrix_sdk_test_macros/src/lib.rs

@@ -1,6 +1,7 @@
 use proc_macro::TokenStream;
 
-/// Attribute to use `wasm_bindgen_test` for wasm32 targets and `tokio::test` for everything else
+/// Attribute to use `wasm_bindgen_test` for wasm32 targets and `tokio::test`
+/// for everything else
 #[proc_macro_attribute]
 pub fn async_test(_attr: TokenStream, item: TokenStream) -> TokenStream {
     let attrs = r#"