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crypto: Make the verification machine compatible with how we queue up requests.

master
Damir Jelić 2020-08-21 16:26:34 +02:00
parent 002531349e
commit de90da4adc
10 changed files with 121 additions and 79 deletions
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24
matrix_sdk/src/client.rs
View File

@ -1109,11 +1109,11 @@ impl Client {
}
#[cfg(feature = "encryption")]
async fn send_to_device(&self, request: OwnedToDeviceRequest) -> Result<ToDeviceResponse> {
async fn send_to_device(&self, request: &OwnedToDeviceRequest) -> Result<ToDeviceResponse> {
let request = ToDeviceRequest {
event_type: request.event_type,
event_type: request.event_type.clone(),
txn_id: &request.txn_id,
messages: request.messages,
messages: request.messages.clone(),
};
self.send(request).await
@ -1232,22 +1232,22 @@ impl Client {
#[cfg(feature = "encryption")]
{
for r in self.base_client.outgoing_requests().await {
match r.request {
match r.request() {
OutgoingRequests::KeysQuery(request) => {
if let Err(e) = self.keys_query(&r.request_id, request).await {
if let Err(e) = self.keys_query(r.request_id(), request).await {
warn!("Error while querying device keys {:?}", e);
}
}
OutgoingRequests::KeysUpload(request) => {
if let Err(e) = self.keys_upload(&r.request_id, request).await {
if let Err(e) = self.keys_upload(&r.request_id(), request).await {
warn!("Error while querying device keys {:?}", e);
}
}
OutgoingRequests::ToDeviceRequest(request) => {
if let Ok(resp) = self.send_to_device(request).await {
self.base_client
.mark_request_as_sent(&r.request_id, &resp)
.mark_request_as_sent(&r.request_id(), &resp)
.await
.unwrap();
}
@ -1328,7 +1328,7 @@ impl Client {
.expect("Keys don't need to be uploaded");
for request in requests.drain(..) {
self.send_to_device(request).await?;
self.send_to_device(&request).await?;
}
Ok(())
@ -1349,7 +1349,7 @@ impl Client {
async fn keys_upload(
&self,
request_id: &Uuid,
request: upload_keys::Request,
request: &upload_keys::Request,
) -> Result<upload_keys::Response> {
debug!(
"Uploading encryption keys device keys: {}, one-time-keys: {}",
@ -1357,7 +1357,7 @@ impl Client {
request.one_time_keys.as_ref().map_or(0, |k| k.len())
);
let response = self.send(request).await?;
let response = self.send(request.clone()).await?;
self.base_client
.mark_request_as_sent(request_id, &response)
.await?;
@ -1382,11 +1382,11 @@ impl Client {
async fn keys_query(
&self,
request_id: &Uuid,
request: get_keys::IncomingRequest,
request: &get_keys::IncomingRequest,
) -> Result<get_keys::Response> {
let request = get_keys::Request {
timeout: None,
device_keys: request.device_keys,
device_keys: request.device_keys.clone(),
token: None,
};

2
matrix_sdk/src/sas.rs
View File

@ -56,7 +56,7 @@ impl Sas {
/// Cancel the interactive verification flow.
pub async fn cancel(&self) -> Result<()> {
if let Some(req) = self.inner.cancel() {
if let Some((_, req)) = self.inner.cancel() {
let request = ToDeviceRequest {
event_type: req.event_type,
txn_id: &req.txn_id,

21
matrix_sdk_base/src/client.rs
View File

@ -1748,27 +1748,6 @@ impl BaseClient {
}
}
/// Get the to-device requests that need to be sent out.
#[cfg(feature = "encryption")]
#[cfg_attr(feature = "docs", doc(cfg(encryption)))]
pub async fn outgoing_to_device_requests(&self) -> Vec<OwnedToDeviceRequest> {
self.olm
.lock()
.await
.as_ref()
.map(|o| o.outgoing_to_device_requests())
.unwrap_or_default()
}
/// Mark an outgoing to-device requests as sent.
#[cfg(feature = "encryption")]
#[cfg_attr(feature = "docs", doc(cfg(encryption)))]
pub async fn mark_to_device_request_as_sent(&self, request_id: &str) {
if let Some(olm) = self.olm.lock().await.as_ref() {
olm.mark_to_device_request_as_sent(request_id)
}
}
/// Get a `Sas` verification object with the given flow id.
///
/// # Arguments

21
matrix_sdk_crypto/src/machine.rs
View File

@ -223,18 +223,20 @@ impl OlmMachine {
if let Some(r) = self.keys_for_upload().await.map(|r| OutgoingRequest {
request_id: Uuid::new_v4(),
request: r.into(),
request: Arc::new(r.into()),
}) {
requests.push(r);
}
if let Some(r) = self.users_for_key_query().await.map(|r| OutgoingRequest {
request_id: Uuid::new_v4(),
request: r.into(),
request: Arc::new(r.into()),
}) {
requests.push(r);
}
requests.append(&mut self.outgoing_to_device_requests());
requests
}
@ -255,7 +257,7 @@ impl OlmMachine {
self.receive_keys_claim_response(response).await?;
}
IncomingResponse::ToDevice(_) => {
self.mark_to_device_request_as_sent(&request_id.to_string());
self.mark_to_device_request_as_sent(&request_id);
}
};
@ -1234,12 +1236,12 @@ impl OlmMachine {
}
/// Get the to-device requests that need to be sent out.
pub fn outgoing_to_device_requests(&self) -> Vec<OwnedToDeviceRequest> {
fn outgoing_to_device_requests(&self) -> Vec<OutgoingRequest> {
self.verification_machine.outgoing_to_device_requests()
}
/// Mark an outgoing to-device requests as sent.
pub fn mark_to_device_request_as_sent(&self, request_id: &str) {
fn mark_to_device_request_as_sent(&self, request_id: &Uuid) {
self.verification_machine.mark_requests_as_sent(request_id);
}
@ -1538,8 +1540,9 @@ pub(crate) mod test {
use tempfile::tempdir;
use crate::{
machine::OlmMachine, verification::test::request_to_event, verify_json, EncryptionSettings,
ReadOnlyDevice,
machine::OlmMachine,
verification::test::{outgoing_request_to_event, request_to_event},
verify_json, EncryptionSettings, ReadOnlyDevice,
};
use matrix_sdk_common::{
@ -2169,7 +2172,7 @@ pub(crate) mod test {
.outgoing_to_device_requests()
.iter()
.next()
.map(|r| request_to_event(alice.user_id(), &r))
.map(|r| outgoing_request_to_event(alice.user_id(), r))
.unwrap();
bob.handle_verification_event(&mut event).await;
@ -2177,7 +2180,7 @@ pub(crate) mod test {
.outgoing_to_device_requests()
.iter()
.next()
.map(|r| request_to_event(bob.user_id(), &r))
.map(|r| outgoing_request_to_event(bob.user_id(), r))
.unwrap();
alice.handle_verification_event(&mut event).await;

10
matrix_sdk_crypto/src/olm/group_sessions.rs
View File

@ -476,7 +476,10 @@ impl std::fmt::Debug for OutboundGroupSession {
#[cfg(test)]
mod test {
use std::{thread::sleep, time::Duration};
use std::{
sync::Arc,
time::{Duration, Instant},
};
use matrix_sdk_common::{
events::room::message::{MessageEventContent, TextMessageEventContent},
@ -487,6 +490,7 @@ mod test {
use crate::Account;
#[tokio::test]
#[cfg(not(target_os = "macos"))]
async fn expiration() {
let settings = EncryptionSettings {
rotation_period_msgs: 1,
@ -512,13 +516,13 @@ mod test {
..Default::default()
};
let (session, _) = account
let (mut session, _) = account
.create_group_session_pair(&room_id!("!test_room:example.org"), settings)
.await
.unwrap();
assert!(!session.expired());
sleep(Duration::from_millis(110));
session.creation_time = Arc::new(Instant::now() - Duration::from_secs(60 * 60));
assert!(session.expired());
}
}

26
matrix_sdk_crypto/src/requests.rs
View File

@ -12,6 +12,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
use std::sync::Arc;
use matrix_sdk_common::{
api::r0::{
keys::{
@ -49,6 +51,12 @@ impl From<KeysUploadRequest> for OutgoingRequests {
}
}
impl From<ToDeviceRequest> for OutgoingRequests {
fn from(request: ToDeviceRequest) -> Self {
OutgoingRequests::ToDeviceRequest(request)
}
}
/// TODO
#[derive(Debug)]
pub enum IncomingResponse<'a> {
@ -87,11 +95,23 @@ impl<'a> From<&'a KeysClaimResponse> for IncomingResponse<'a> {
}
/// TODO
#[derive(Debug)]
#[derive(Debug, Clone)]
pub struct OutgoingRequest {
/// The unique id of a request, needs to be passed when receiving a
/// response.
pub request_id: Uuid,
pub(crate) request_id: Uuid,
/// TODO
pub request: OutgoingRequests,
pub(crate) request: Arc<OutgoingRequests>,
}
impl OutgoingRequest {
/// Get the unique id of this request.
pub fn request_id(&self) -> &Uuid {
&self.request_id
}
/// Get the underlying outgoing request.
pub fn request(&self) -> &OutgoingRequests {
&self.request
}
}

55
matrix_sdk_crypto/src/verification/machine.rs
View File

@ -22,17 +22,18 @@ use matrix_sdk_common::{
api::r0::to_device::send_event_to_device::IncomingRequest as OwnedToDeviceRequest,
events::{AnyToDeviceEvent, AnyToDeviceEventContent},
identifiers::{DeviceId, UserId},
uuid::Uuid,
};
use super::sas::{content_to_request, Sas};
use crate::{Account, CryptoStore, CryptoStoreError, ReadOnlyDevice};
use crate::{requests::OutgoingRequest, Account, CryptoStore, CryptoStoreError, ReadOnlyDevice};
#[derive(Clone, Debug)]
pub struct VerificationMachine {
account: Account,
pub(crate) store: Arc<Box<dyn CryptoStore>>,
verifications: Arc<DashMap<String, Sas>>,
outgoing_to_device_messages: Arc<DashMap<String, OwnedToDeviceRequest>>,
outgoing_to_device_messages: Arc<DashMap<Uuid, OutgoingRequest>>,
}
impl VerificationMachine {
@ -58,7 +59,7 @@ impl VerificationMachine {
identity,
);
let request = content_to_request(
let (_, request) = content_to_request(
device.user_id(),
device.device_id(),
AnyToDeviceEventContent::KeyVerificationStart(content),
@ -81,10 +82,14 @@ impl VerificationMachine {
recipient_device: &DeviceId,
content: AnyToDeviceEventContent,
) {
let request = content_to_request(recipient, recipient_device, content);
let (request_id, request) = content_to_request(recipient, recipient_device, content);
self.outgoing_to_device_messages
.insert(request.txn_id.clone(), request);
let request = OutgoingRequest {
request_id: request_id.clone(),
request: Arc::new(request.into()),
};
self.outgoing_to_device_messages.insert(request_id, request);
}
fn receive_event_helper(&self, sas: &Sas, event: &mut AnyToDeviceEvent) {
@ -93,19 +98,15 @@ impl VerificationMachine {
}
}
pub fn mark_requests_as_sent(&self, uuid: &str) {
pub fn mark_requests_as_sent(&self, uuid: &Uuid) {
self.outgoing_to_device_messages.remove(uuid);
}
pub fn outgoing_to_device_requests(&self) -> Vec<OwnedToDeviceRequest> {
pub fn outgoing_to_device_requests(&self) -> Vec<OutgoingRequest> {
#[allow(clippy::map_clone)]
self.outgoing_to_device_messages
.iter()
.map(|r| OwnedToDeviceRequest {
event_type: r.event_type.clone(),
txn_id: r.txn_id.clone(),
messages: r.messages.clone(),
})
.map(|r| (*r).clone())
.collect()
}
@ -115,7 +116,13 @@ impl VerificationMachine {
for sas in self.verifications.iter() {
if let Some(r) = sas.cancel_if_timed_out() {
self.outgoing_to_device_messages.insert(r.txn_id.clone(), r);
self.outgoing_to_device_messages.insert(
r.0.clone(),
OutgoingRequest {
request_id: r.0,
request: Arc::new(r.1.into()),
},
);
}
}
}
@ -184,7 +191,13 @@ impl VerificationMachine {
if s.is_done() && !s.mark_device_as_verified().await? {
if let Some(r) = s.cancel() {
self.outgoing_to_device_messages.insert(r.txn_id.clone(), r);
self.outgoing_to_device_messages.insert(
r.0.clone(),
OutgoingRequest {
request_id: r.0,
request: Arc::new(r.1.into()),
},
);
}
}
};
@ -211,6 +224,7 @@ mod test {
use super::{Sas, VerificationMachine};
use crate::{
requests::OutgoingRequests,
store::memorystore::MemoryStore,
verification::test::{get_content_from_request, wrap_any_to_device_content},
Account, CryptoStore, ReadOnlyDevice,
@ -293,10 +307,15 @@ mod test {
.next()
.unwrap();
let txn_id = request.txn_id.clone();
let txn_id = request.request_id().clone();
let mut event =
wrap_any_to_device_content(alice.user_id(), get_content_from_request(&request));
let r = if let OutgoingRequests::ToDeviceRequest(r) = request.request() {
r
} else {
panic!("Invalid request type");
};
let mut event = wrap_any_to_device_content(alice.user_id(), get_content_from_request(r));
drop(request);
alice_machine.mark_requests_as_sent(&txn_id);

11
matrix_sdk_crypto/src/verification/mod.rs
View File

@ -20,6 +20,7 @@ pub use sas::Sas;
#[cfg(test)]
pub(crate) mod test {
use crate::requests::{OutgoingRequest, OutgoingRequests};
use serde_json::Value;
use matrix_sdk_common::{
@ -36,6 +37,16 @@ pub(crate) mod test {
wrap_any_to_device_content(sender, content)
}
pub(crate) fn outgoing_request_to_event(
sender: &UserId,
request: &OutgoingRequest,
) -> AnyToDeviceEvent {
match request.request() {
OutgoingRequests::ToDeviceRequest(r) => request_to_event(sender, r),
_ => panic!("Unsupported outgoing request"),
}
}
pub(crate) fn wrap_any_to_device_content(
sender: &UserId,
content: AnyToDeviceEventContent,

17
matrix_sdk_crypto/src/verification/sas/helpers.rs
View File

@ -464,7 +464,7 @@ pub fn content_to_request(
recipient: &UserId,
recipient_device: &DeviceId,
content: AnyToDeviceEventContent,
) -> OwnedToDeviceRequest {
) -> (Uuid, OwnedToDeviceRequest) {
let mut messages = BTreeMap::new();
let mut user_messages = BTreeMap::new();
@ -483,11 +483,16 @@ pub fn content_to_request(
_ => unreachable!(),
};
OwnedToDeviceRequest {
txn_id: Uuid::new_v4().to_string(),
event_type,
messages,
}
let request_id = Uuid::new_v4();
(
request_id,
OwnedToDeviceRequest {
txn_id: request_id.to_string(),
event_type,
messages,
},
)
}
#[cfg(test)]

13
matrix_sdk_crypto/src/verification/sas/mod.rs
View File

@ -31,6 +31,7 @@ use matrix_sdk_common::{
AnyToDeviceEvent, AnyToDeviceEventContent, ToDeviceEvent,
},
identifiers::{DeviceId, UserId},
uuid::Uuid,
};
use crate::{
@ -168,7 +169,7 @@ impl Sas {
pub fn accept(&self) -> Option<OwnedToDeviceRequest> {
self.inner.lock().unwrap().accept().map(|c| {
let content = AnyToDeviceEventContent::KeyVerificationAccept(c);
self.content_to_request(content)
self.content_to_request(content).1
})
}
@ -194,7 +195,7 @@ impl Sas {
// else branch and only after the identity was verified as well. We
// dont' want to verify one without the other.
if !self.mark_device_as_verified().await? {
return Ok(self.cancel());
return Ok(self.cancel().map(|r| r.1));
} else {
self.mark_identity_as_verified().await?;
}
@ -202,7 +203,7 @@ impl Sas {
Ok(content.map(|c| {
let content = AnyToDeviceEventContent::KeyVerificationMac(c);
self.content_to_request(content)
self.content_to_request(content).1
}))
}
@ -327,7 +328,7 @@ impl Sas {
///
/// Returns None if the `Sas` object is already in a canceled state,
/// otherwise it returns a request that needs to be sent out.
pub fn cancel(&self) -> Option<OwnedToDeviceRequest> {
pub fn cancel(&self) -> Option<(Uuid, OwnedToDeviceRequest)> {
let mut guard = self.inner.lock().unwrap();
let sas: InnerSas = (*guard).clone();
let (sas, content) = sas.cancel(CancelCode::User);
@ -336,7 +337,7 @@ impl Sas {
content.map(|c| self.content_to_request(c))
}
pub(crate) fn cancel_if_timed_out(&self) -> Option<OwnedToDeviceRequest> {
pub(crate) fn cancel_if_timed_out(&self) -> Option<(Uuid, OwnedToDeviceRequest)> {
if self.is_canceled() || self.is_done() {
None
} else if self.timed_out() {
@ -410,7 +411,7 @@ impl Sas {
pub(crate) fn content_to_request(
&self,
content: AnyToDeviceEventContent,
) -> OwnedToDeviceRequest {
) -> (Uuid, OwnedToDeviceRequest) {
content_to_request(self.other_user_id(), self.other_device_id(), content)
}
}