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Merge branch 'make-join' into 'master' 

feat: make_join, send_join and /directory

See merge request famedly/conduit!59
next
Timo Kösters 2021-04-16 21:15:27 +00:00
parent 6d109b9902 eedac4fd96
commit 0b89ffe566
4 changed files with 601 additions and 146 deletions
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16
src/client_server/membership.rs
View File

@ -564,7 +564,7 @@ async fn join_room_by_id_helper(
pdu_id.extend_from_slice(&count.to_be_bytes());
let pdu = PduEvent::from_id_val(&event_id, join_event.clone())
.map_err(|_| Error::BadServerResponse("Invalid PDU in send_join response."))?;
.map_err(|_| Error::BadServerResponse("Invalid join event PDU."))?;
let mut state = BTreeMap::new();
let pub_key_map = RwLock::new(BTreeMap::new());
@ -588,7 +588,7 @@ async fn join_room_by_id_helper(
Error::BadServerResponse("Invalid PDU in send_join response.")
})?;
db.rooms.add_pdu_outlier(&pdu)?;
db.rooms.add_pdu_outlier(&event_id, &value)?;
if let Some(state_key) = &pdu.state_key {
if pdu.kind == EventType::RoomMember {
let target_user_id = UserId::try_from(state_key.clone()).map_err(|e| {
@ -632,7 +632,11 @@ async fn join_room_by_id_helper(
pdu.event_id.clone(),
);
db.rooms.force_state(room_id, state, &db.globals)?;
if state.get(&(EventType::RoomCreate, "".to_owned())).is_none() {
return Err(Error::BadServerResponse("State contained no create event."));
}
db.rooms.force_state(room_id, state, &db)?;
for result in futures::future::join_all(
send_join_response
@ -648,11 +652,7 @@ async fn join_room_by_id_helper(
Err(_) => continue,
};
let pdu = PduEvent::from_id_val(&event_id, value.clone()).map_err(|e| {
warn!("{:?}: {}", value, e);
Error::BadServerResponse("Invalid PDU in send_join response.")
})?;
db.rooms.add_pdu_outlier(&pdu)?;
db.rooms.add_pdu_outlier(&event_id, &value)?;
}
// We append to state before appending the pdu, so we don't have a moment in time with the

150
src/database/rooms.rs
View File

@ -241,7 +241,7 @@ impl Rooms {
kind: &EventType,
sender: &UserId,
state_key: Option<&str>,
content: serde_json::Value,
content: &serde_json::Value,
) -> Result<StateMap<Arc<PduEvent>>> {
let auth_events = state_res::auth_types_for_event(
kind,
@ -295,7 +295,7 @@ impl Rooms {
&self,
room_id: &RoomId,
state: BTreeMap<(EventType, String), EventId>,
globals: &super::globals::Globals,
db: &Database,
) -> Result<()> {
let state_hash = self.calculate_hash(
&state
@ -304,57 +304,109 @@ impl Rooms {
.collect::<Vec<_>>(),
);
let shortstatehash = match self.statehash_shortstatehash.get(&state_hash)? {
Some(shortstatehash) => {
// State already existed in db
self.roomid_shortstatehash
.insert(room_id.as_bytes(), &*shortstatehash)?;
return Ok(());
}
None => {
let shortstatehash = globals.next_count()?;
self.statehash_shortstatehash
.insert(&state_hash, &shortstatehash.to_be_bytes())?;
shortstatehash.to_be_bytes().to_vec()
let (shortstatehash, already_existed) =
match self.statehash_shortstatehash.get(&state_hash)? {
Some(shortstatehash) => (
utils::u64_from_bytes(&shortstatehash)
.map_err(|_| Error::bad_database("Invalid shortstatehash in db."))?,
true,
),
None => {
let shortstatehash = db.globals.next_count()?;
self.statehash_shortstatehash
.insert(&state_hash, &shortstatehash.to_be_bytes())?;
(shortstatehash, false)
}
};
let new_state = if !already_existed {
let mut new_state = HashSet::new();
for ((event_type, state_key), eventid) in state {
new_state.insert(eventid.clone());
let mut statekey = event_type.as_ref().as_bytes().to_vec();
statekey.push(0xff);
statekey.extend_from_slice(&state_key.as_bytes());
let shortstatekey = match self.statekey_shortstatekey.get(&statekey)? {
Some(shortstatekey) => shortstatekey.to_vec(),
None => {
let shortstatekey = db.globals.next_count()?;
self.statekey_shortstatekey
.insert(&statekey, &shortstatekey.to_be_bytes())?;
shortstatekey.to_be_bytes().to_vec()
}
};
let shorteventid = match self.eventid_shorteventid.get(eventid.as_bytes())? {
Some(shorteventid) => shorteventid.to_vec(),
None => {
let shorteventid = db.globals.next_count()?;
self.eventid_shorteventid
.insert(eventid.as_bytes(), &shorteventid.to_be_bytes())?;
self.shorteventid_eventid
.insert(&shorteventid.to_be_bytes(), eventid.as_bytes())?;
shorteventid.to_be_bytes().to_vec()
}
};
let mut state_id = shortstatehash.to_be_bytes().to_vec();
state_id.extend_from_slice(&shortstatekey);
self.stateid_shorteventid
.insert(&state_id, &*shorteventid)?;
}
new_state
} else {
self.state_full_ids(shortstatehash)?.into_iter().collect()
};
for ((event_type, state_key), eventid) in state {
let mut statekey = event_type.as_ref().as_bytes().to_vec();
statekey.push(0xff);
statekey.extend_from_slice(&state_key.as_bytes());
let old_state = self
.current_shortstatehash(&room_id)?
.map(|s| self.state_full_ids(s))
.transpose()?
.map(|vec| vec.into_iter().collect::<HashSet<_>>())
.unwrap_or_default();
let shortstatekey = match self.statekey_shortstatekey.get(&statekey)? {
Some(shortstatekey) => shortstatekey.to_vec(),
None => {
let shortstatekey = globals.next_count()?;
self.statekey_shortstatekey
.insert(&statekey, &shortstatekey.to_be_bytes())?;
shortstatekey.to_be_bytes().to_vec()
for event_id in new_state.difference(&old_state) {
if let Some(pdu) = self.get_pdu_json(event_id)? {
if pdu.get("event_type")
== Some(&CanonicalJsonValue::String("m.room.member".to_owned()))
{
if let Ok(pdu) = serde_json::from_value::<PduEvent>(
serde_json::to_value(&pdu).expect("CanonicalJsonObj is a valid JsonValue"),
) {
if let Some(membership) =
pdu.content.get("membership").and_then(|membership| {
serde_json::from_value::<member::MembershipState>(
membership.clone(),
)
.ok()
})
{
if let Some(state_key) = pdu
.state_key
.and_then(|state_key| UserId::try_from(state_key).ok())
{
self.update_membership(
room_id,
&state_key,
membership,
&pdu.sender,
None,
db,
)?;
}
}
}
}
};
let shorteventid = match self.eventid_shorteventid.get(eventid.as_bytes())? {
Some(shorteventid) => shorteventid.to_vec(),
None => {
let shorteventid = globals.next_count()?;
self.eventid_shorteventid
.insert(eventid.as_bytes(), &shorteventid.to_be_bytes())?;
self.shorteventid_eventid
.insert(&shorteventid.to_be_bytes(), eventid.as_bytes())?;
shorteventid.to_be_bytes().to_vec()
}
};
let mut state_id = shortstatehash.clone();
state_id.extend_from_slice(&shortstatekey);
self.stateid_shorteventid
.insert(&*state_id, &*shorteventid)?;
}
}
self.roomid_shortstatehash
.insert(room_id.as_bytes(), &*shortstatehash)?;
.insert(room_id.as_bytes(), &shortstatehash.to_be_bytes())?;
Ok(())
}
@ -591,10 +643,10 @@ impl Rooms {
/// Append the PDU as an outlier.
///
/// Any event given to this will be processed (state-res) on another thread.
pub fn add_pdu_outlier(&self, pdu: &PduEvent) -> Result<()> {
pub fn add_pdu_outlier(&self, event_id: &EventId, pdu: &CanonicalJsonObject) -> Result<()> {
self.eventid_outlierpdu.insert(
&pdu.event_id.as_bytes(),
&*serde_json::to_string(&pdu).expect("PduEvent is always a valid String"),
&event_id.as_bytes(),
&*serde_json::to_string(&pdu).expect("CanonicalJsonObject is valid string"),
)?;
Ok(())
@ -1193,7 +1245,7 @@ impl Rooms {
&event_type,
&sender,
state_key.as_deref(),
content.clone(),
&content,
)?;
// Our depth is the maximum depth of prev_events + 1

3
src/main.rs
View File

@ -168,7 +168,10 @@ fn setup_rocket() -> (rocket::Rocket, Config) {
server_server::get_event_route,
server_server::get_missing_events_route,
server_server::get_room_state_ids_route,
server_server::create_join_event_template_route,
server_server::create_join_event_route,
server_server::create_invite_route,
server_server::get_room_information_route,
server_server::get_profile_information_route,
],
)

578
src/server_server.rs
View File

@ -14,25 +14,32 @@ use ruma::{
VerifyKey,
},
event::{get_event, get_missing_events, get_room_state_ids},
membership::create_invite,
query::get_profile_information,
membership::{
create_invite,
create_join_event::{self, RoomState},
create_join_event_template,
},
query::{get_profile_information, get_room_information},
transactions::send_transaction_message,
},
IncomingResponse, OutgoingRequest, OutgoingResponse,
},
directory::{IncomingFilter, IncomingRoomNetwork},
events::{
room::{create::CreateEventContent, member::MembershipState},
room::{
create::CreateEventContent,
member::{MemberEventContent, MembershipState},
},
EventType,
},
serde::{to_canonical_value, Raw},
signatures::CanonicalJsonValue,
EventId, RoomId, RoomVersionId, ServerName, ServerSigningKeyId, UserId,
signatures::{CanonicalJsonObject, CanonicalJsonValue},
uint, EventId, RoomId, RoomVersionId, ServerName, ServerSigningKeyId, UserId,
};
use state_res::{Event, EventMap, StateMap};
use std::{
collections::{btree_map::Entry, BTreeMap, BTreeSet, HashSet},
convert::TryFrom,
convert::{TryFrom, TryInto},
fmt::Debug,
future::Future,
net::{IpAddr, SocketAddr},
@ -589,8 +596,8 @@ pub async fn send_transaction_message_route<'a>(
Ok(send_transaction_message::v1::Response { pdus: resolved_map }.into())
}
/// An async function that can recursively calls itself.
type AsyncRecursiveResult<'a, T> = Pin<Box<dyn Future<Output = StdResult<T, String>> + 'a + Send>>;
/// An async function that can recursively call itself.
type AsyncRecursiveResult<'a, T, E> = Pin<Box<dyn Future<Output = StdResult<T, E>> + 'a + Send>>;
/// When receiving an event one needs to:
/// 0. Skip the PDU if we already know about it
@ -624,13 +631,13 @@ fn handle_incoming_pdu<'a>(
db: &'a Database,
pub_key_map: &'a RwLock<BTreeMap<String, BTreeMap<String, String>>>,
auth_cache: &'a mut EventMap<Arc<PduEvent>>,
) -> AsyncRecursiveResult<'a, Arc<PduEvent>> {
) -> AsyncRecursiveResult<'a, Option<Vec<u8>>, String> {
Box::pin(async move {
// TODO: For RoomVersion6 we must check that Raw<..> is canonical do we anywhere?: https://matrix.org/docs/spec/rooms/v6#canonical-json
// 0. Skip the PDU if we already know about it
if let Ok(Some(pdu)) = db.rooms.get_non_outlier_pdu(&event_id) {
return Ok(Arc::new(pdu));
// 0. Skip the PDU if we already have it as a timeline event
if let Ok(Some(pdu_id)) = db.rooms.get_pdu_id(&event_id) {
return Ok(Some(pdu_id.to_vec()));
}
// 1. Check the server is in the room
@ -690,6 +697,7 @@ fn handle_incoming_pdu<'a>(
}
Ok(ruma::signatures::Verified::Signatures) => {
// Redact
warn!("Calculated hash does not match: {}", event_id);
match ruma::signatures::redact(&value, &room_version) {
Ok(obj) => obj,
Err(_) => return Err("Redaction failed".to_string()),
@ -705,7 +713,7 @@ fn handle_incoming_pdu<'a>(
to_canonical_value(&event_id).expect("EventId is a valid CanonicalJsonValue"),
);
let incoming_pdu = serde_json::from_value::<PduEvent>(
serde_json::to_value(val).expect("CanonicalJsonObj is a valid JsonValue"),
serde_json::to_value(&val).expect("CanonicalJsonObj is a valid JsonValue"),
)
.map_err(|_| "Event is not a valid PDU.".to_string())?;
@ -793,13 +801,13 @@ fn handle_incoming_pdu<'a>(
// 7. Persist the event as an outlier.
db.rooms
.add_pdu_outlier(&incoming_pdu)
.add_pdu_outlier(&incoming_pdu.event_id, &val)
.map_err(|_| "Failed to add pdu as outlier.".to_owned())?;
debug!("Added pdu as outlier.");
// 8. if not timeline event: stop
if !is_timeline_event {
return Ok(incoming_pdu);
return Ok(None);
}
// TODO: 9. fetch any missing prev events doing all checks listed here starting at 1. These are timeline events
@ -811,7 +819,54 @@ fn handle_incoming_pdu<'a>(
// the state from a known point and resolve if > 1 prev_event
debug!("Requesting state at event.");
let (state_at_incoming_event, incoming_auth_events): (StateMap<Arc<PduEvent>>, Vec<Arc<PduEvent>>) =
let mut state_at_incoming_event = None;
let mut incoming_auth_events = Vec::new();
if incoming_pdu.prev_events.len() == 1 {
let prev_event = &incoming_pdu.prev_events[0];
let state_vec = db
.rooms
.pdu_shortstatehash(prev_event)
.map_err(|_| "Failed talking to db".to_owned())?
.map(|shortstatehash| db.rooms.state_full_ids(shortstatehash).ok())
.flatten();
if let Some(mut state_vec) = state_vec {
if db
.rooms
.get_pdu(prev_event)
.ok()
.flatten()
.ok_or_else(|| "Could not find prev event, but we know the state.".to_owned())?
.state_key
.is_some()
{
state_vec.push(prev_event.clone());
}
state_at_incoming_event = Some(
fetch_and_handle_events(db, origin, &state_vec, pub_key_map, auth_cache)
.await
.map_err(|_| "Failed to fetch state events locally".to_owned())?
.into_iter()
.map(|pdu| {
(
(
pdu.kind.clone(),
pdu.state_key
.clone()
.expect("events from state_full_ids are state events"),
),
pdu,
)
})
.collect(),
);
}
&state_at_incoming_event;
// TODO: set incoming_auth_events?
}
if state_at_incoming_event.is_none() {
// Call /state_ids to find out what the state at this pdu is. We trust the server's
// response to some extend, but we still do a lot of checks on the events
match db
@ -856,12 +911,16 @@ fn handle_incoming_pdu<'a>(
}
// The original create event must still be in the state
if state.get(&(EventType::RoomCreate, "".to_owned())).map(|a| a.as_ref()) != Some(&create_event) {
if state
.get(&(EventType::RoomCreate, "".to_owned()))
.map(|a| a.as_ref())
!= Some(&create_event)
{
return Err("Incoming event refers to wrong create event.".to_owned());
}
debug!("Fetching auth chain events at event.");
let incoming_auth_events = match fetch_and_handle_events(
incoming_auth_events = match fetch_and_handle_events(
&db,
origin,
&res.auth_chain_ids,
@ -874,12 +933,16 @@ fn handle_incoming_pdu<'a>(
Err(_) => return Err("Failed to fetch auth chain.".to_owned()),
};
(state, incoming_auth_events)
state_at_incoming_event = Some(state);
}
Err(_) => {
return Err("Fetching state for event failed".into());
}
};
}
let state_at_incoming_event =
state_at_incoming_event.expect("we always set this to some above");
// 11. Check the auth of the event passes based on the state of the event
if !state_res::event_auth::auth_check(
@ -1079,20 +1142,26 @@ fn handle_incoming_pdu<'a>(
// Now that the event has passed all auth it is added into the timeline.
// We use the `state_at_event` instead of `state_after` so we accurately
// represent the state for this event.
append_incoming_pdu(&db, &incoming_pdu, extremities, &state_at_incoming_event)
.map_err(|_| "Failed to add pdu to db.".to_owned())?;
let pdu_id = append_incoming_pdu(
&db,
&incoming_pdu,
val,
extremities,
&state_at_incoming_event,
)
.map_err(|_| "Failed to add pdu to db.".to_owned())?;
debug!("Appended incoming pdu.");
// Set the new room state to the resolved state
if update_state {
db.rooms
.force_state(&room_id, new_room_state, &db.globals)
.force_state(&room_id, new_room_state, &db)
.map_err(|_| "Failed to set new room state.".to_owned())?;
}
debug!("Updated resolved state");
// Event has passed all auth/stateres checks
Ok(incoming_pdu)
Ok(Some(pdu_id))
})
}
@ -1108,77 +1177,93 @@ fn handle_incoming_pdu<'a>(
/// If the event is unknown to the `auth_cache` it is added. This guarantees that any
/// event we need to know of will be present.
//#[tracing::instrument(skip(db, key_map, auth_cache))]
pub(crate) async fn fetch_and_handle_events(
db: &Database,
origin: &ServerName,
events: &[EventId],
pub_key_map: &RwLock<BTreeMap<String, BTreeMap<String, String>>>,
auth_cache: &mut EventMap<Arc<PduEvent>>,
) -> Result<Vec<Arc<PduEvent>>> {
let mut pdus = vec![];
for id in events {
// a. Look at auth cache
let pdu = match auth_cache.get(id) {
Some(pdu) => {
debug!("Found {} in cache", id);
pdu.clone()
}
// b. Look in the main timeline (pduid_pdu tree)
// c. Look at outlier pdu tree
// (get_pdu checks both)
None => match db.rooms.get_pdu(&id)? {
Some(pdu) => {
debug!("Found {} in outliers", id);
Arc::new(pdu)
}
None => {
// d. Ask origin server over federation
debug!("Fetching {} over federation.", id);
match db
.sending
.send_federation_request(
&db.globals,
origin,
get_event::v1::Request { event_id: &id },
)
.await
{
Ok(res) => {
debug!("Got {} over federation: {:?}", id, res);
let (event_id, value) =
crate::pdu::gen_event_id_canonical_json(&res.pdu)?;
let pdu = match handle_incoming_pdu(
origin,
&event_id,
value,
false,
pub(crate) fn fetch_and_handle_events<'a>(
db: &'a Database,
origin: &'a ServerName,
events: &'a [EventId],
pub_key_map: &'a RwLock<BTreeMap<String, BTreeMap<String, String>>>,
auth_cache: &'a mut EventMap<Arc<PduEvent>>,
) -> AsyncRecursiveResult<'a, Vec<Arc<PduEvent>>, Error> {
Box::pin(async move {
let mut pdus = vec![];
for id in events {
// a. Look at auth cache
let pdu =
match auth_cache.get(id) {
Some(pdu) => {
debug!("Found {} in cache", id);
// We already have the auth chain for events in cache
pdu.clone()
}
// b. Look in the main timeline (pduid_pdu tree)
// c. Look at outlier pdu tree
// (get_pdu checks both)
None => match db.rooms.get_pdu(&id)? {
Some(pdu) => {
debug!("Found {} in db", id);
// We need to fetch the auth chain
let _ = fetch_and_handle_events(
db,
origin,
&pdu.auth_events,
pub_key_map,
auth_cache,
)
.await
.await?;
Arc::new(pdu)
}
None => {
// d. Ask origin server over federation
debug!("Fetching {} over federation.", id);
match db
.sending
.send_federation_request(
&db.globals,
origin,
get_event::v1::Request { event_id: &id },
)
.await
{
Ok(pdu) => pdu,
Err(e) => {
warn!("Authentication of event {} failed: {:?}", id, e);
Ok(res) => {
debug!("Got {} over federation: {:?}", id, res);
let (event_id, value) =
crate::pdu::gen_event_id_canonical_json(&res.pdu)?;
// This will also fetch the auth chain
match handle_incoming_pdu(
origin,
&event_id,
value.clone(),
false,
db,
pub_key_map,
auth_cache,
)
.await
{
Ok(_) => Arc::new(serde_json::from_value(
serde_json::to_value(value)
.expect("canonicaljsonobject is valid value"),
)
.expect("This is possible because handle_incoming_pdu worked")),
Err(e) => {
warn!("Authentication of event {} failed: {:?}", id, e);
continue;
}
}
}
Err(_) => {
warn!("Failed to fetch event: {}", id);
continue;
}
};
pdu
}
}
Err(_) => {
warn!("Failed to fetch event: {}", id);
continue;
}
}
}
},
};
auth_cache.entry(id.clone()).or_insert_with(|| pdu.clone());
pdus.push(pdu);
}
Ok(pdus)
},
};
auth_cache.entry(id.clone()).or_insert_with(|| pdu.clone());
pdus.push(pdu);
}
Ok(pdus)
})
}
/// Search the DB for the signing keys of the given server, if we don't have them
@ -1280,9 +1365,10 @@ pub(crate) async fn fetch_signing_keys(
pub(crate) fn append_incoming_pdu(
db: &Database,
pdu: &PduEvent,
pdu_json: CanonicalJsonObject,
new_room_leaves: HashSet<EventId>,
state: &StateMap<Arc<PduEvent>>,
) -> Result<()> {
) -> Result<Vec<u8>> {
let count = db.globals.next_count()?;
let mut pdu_id = pdu.room_id.as_bytes().to_vec();
pdu_id.push(0xff);
@ -1295,7 +1381,7 @@ pub(crate) fn append_incoming_pdu(
db.rooms.append_pdu(
pdu,
utils::to_canonical_object(pdu).expect("Pdu is valid canonical object"),
pdu_json,
count,
pdu_id.clone().into(),
&new_room_leaves.into_iter().collect::<Vec<_>>(),
@ -1366,7 +1452,7 @@ pub(crate) fn append_incoming_pdu(
}
}
Ok(())
Ok(pdu_id)
}
#[cfg_attr(
@ -1495,6 +1581,291 @@ pub fn get_room_state_ids_route<'a>(
.into())
}
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/federation/v1/make_join/<_>/<_>", data = "<body>")
)]
#[tracing::instrument(skip(db, body))]
pub fn create_join_event_template_route<'a>(
db: State<'a, Database>,
body: Ruma<create_join_event_template::v1::Request<'_>>,
) -> ConduitResult<create_join_event_template::v1::Response> {
if !db.globals.allow_federation() {
return Err(Error::bad_config("Federation is disabled."));
}
if !db.rooms.exists(&body.room_id)? {
return Err(Error::BadRequest(
ErrorKind::NotFound,
"Server is not in room.",
));
}
if !body.ver.contains(&RoomVersionId::Version6) {
return Err(Error::BadRequest(
ErrorKind::IncompatibleRoomVersion {
room_version: RoomVersionId::Version6,
},
"Room version not supported.",
));
}
let prev_events = db
.rooms
.get_pdu_leaves(&body.room_id)?
.into_iter()
.take(20)
.collect::<Vec<_>>();
let create_event = db
.rooms
.room_state_get(&body.room_id, &EventType::RoomCreate, "")?;
let create_event_content = create_event
.as_ref()
.map(|create_event| {
Ok::<_, Error>(
serde_json::from_value::<Raw<CreateEventContent>>(create_event.content.clone())
.expect("Raw::from_value always works.")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PowerLevels event in db."))?,
)
})
.transpose()?;
let create_prev_event = if prev_events.len() == 1
&& Some(&prev_events[0]) == create_event.as_ref().map(|c| &c.event_id)
{
create_event.map(Arc::new)
} else {
None
};
// If there was no create event yet, assume we are creating a version 6 room right now
let room_version = create_event_content.map_or(RoomVersionId::Version6, |create_event| {
create_event.room_version
});
let content = serde_json::to_value(MemberEventContent {
avatar_url: None,
displayname: None,
is_direct: None,
membership: MembershipState::Join,
third_party_invite: None,
})
.expect("member event is valid value");
let state_key = body.user_id.to_string();
let kind = EventType::RoomMember;
let auth_events = db.rooms.get_auth_events(
&body.room_id,
&kind,
&body.user_id,
Some(&state_key),
&content,
)?;
// Our depth is the maximum depth of prev_events + 1
let depth = prev_events
.iter()
.filter_map(|event_id| Some(db.rooms.get_pdu(event_id).ok()??.depth))
.max()
.unwrap_or_else(|| uint!(0))
+ uint!(1);
let mut unsigned = BTreeMap::new();
if let Some(prev_pdu) = db.rooms.room_state_get(&body.room_id, &kind, &state_key)? {
unsigned.insert("prev_content".to_owned(), prev_pdu.content);
unsigned.insert(
"prev_sender".to_owned(),
serde_json::to_value(prev_pdu.sender).expect("UserId::to_value always works"),
);
}
let pdu = PduEvent {
event_id: ruma::event_id!("$thiswillbefilledinlater"),
room_id: body.room_id.clone(),
sender: body.user_id.clone(),
origin_server_ts: utils::millis_since_unix_epoch()
.try_into()
.expect("time is valid"),
kind,
content,
state_key: Some(state_key),
prev_events,
depth,
auth_events: auth_events
.iter()
.map(|(_, pdu)| pdu.event_id.clone())
.collect(),
redacts: None,
unsigned,
hashes: ruma::events::pdu::EventHash {
sha256: "aaa".to_owned(),
},
signatures: BTreeMap::new(),
};
let auth_check = state_res::auth_check(
&room_version,
&Arc::new(pdu.clone()),
create_prev_event,
&auth_events,
None, // TODO: third_party_invite
)
.map_err(|e| {
error!("{:?}", e);
Error::bad_database("Auth check failed.")
})?;
if !auth_check {
return Err(Error::BadRequest(
ErrorKind::InvalidParam,
"Event is not authorized.",
));
}
// Hash and sign
let mut pdu_json =
utils::to_canonical_object(&pdu).expect("event is valid, we just created it");
pdu_json.remove("event_id");
// Add origin because synapse likes that (and it's required in the spec)
pdu_json.insert(
"origin".to_owned(),
to_canonical_value(db.globals.server_name())
.expect("server name is a valid CanonicalJsonValue"),
);
Ok(create_join_event_template::v1::Response {
room_version: Some(RoomVersionId::Version6),
event: serde_json::from_value::<Raw<_>>(
serde_json::to_value(pdu_json).expect("CanonicalJson is valid serde_json::Value"),
)
.expect("Raw::from_value always works"),
}
.into())
}
#[cfg_attr(
feature = "conduit_bin",
put("/_matrix/federation/v2/send_join/<_>/<_>", data = "<body>")
)]
#[tracing::instrument(skip(db, body))]
pub async fn create_join_event_route<'a>(
db: State<'a, Database>,
body: Ruma<create_join_event::v2::Request<'_>>,
) -> ConduitResult<create_join_event::v2::Response> {
if !db.globals.allow_federation() {
return Err(Error::bad_config("Federation is disabled."));
}
// We need to return the state prior to joining, let's keep a reference to that here
let shortstatehash =
db.rooms
.current_shortstatehash(&body.room_id)?
.ok_or(Error::BadRequest(
ErrorKind::NotFound,
"Pdu state not found.",
))?;
let pub_key_map = RwLock::new(BTreeMap::new());
let mut auth_cache = EventMap::new();
// We do not add the event_id field to the pdu here because of signature and hashes checks
let (event_id, value) = match crate::pdu::gen_event_id_canonical_json(&body.pdu) {
Ok(t) => t,
Err(_) => {
// Event could not be converted to canonical json
return Err(Error::BadRequest(
ErrorKind::InvalidParam,
"Could not convert event to canonical json.",
));
}
};
let origin = serde_json::from_value::<Box<ServerName>>(
serde_json::to_value(value.get("origin").ok_or(Error::BadRequest(
ErrorKind::InvalidParam,
"Event needs an origin field.",
))?)
.expect("CanonicalJson is valid json value"),
)
.map_err(|_| Error::BadRequest(ErrorKind::InvalidParam, "Origin field is invalid."))?;
let pdu_id = handle_incoming_pdu(
&origin,
&event_id,
value,
true,
&db,
&pub_key_map,
&mut auth_cache,
)
.await
.map_err(|_| {
Error::BadRequest(
ErrorKind::InvalidParam,
"Error while handling incoming PDU.",
)
})?
.ok_or(Error::BadRequest(
ErrorKind::InvalidParam,
"Could not accept incoming PDU as timeline event.",
))?;
let state_ids = db.rooms.state_full_ids(shortstatehash)?;
let mut auth_chain_ids = BTreeSet::<EventId>::new();
let mut todo = state_ids.iter().cloned().collect::<BTreeSet<_>>();
while let Some(event_id) = todo.iter().next().cloned() {
if let Some(pdu) = db.rooms.get_pdu(&event_id)? {
todo.extend(
pdu.auth_events
.clone()
.into_iter()
.collect::<BTreeSet<_>>()
.difference(&auth_chain_ids)
.cloned(),
);
auth_chain_ids.extend(pdu.auth_events.into_iter());
} else {
warn!("Could not find pdu mentioned in auth events.");
}
todo.remove(&event_id);
}
for server in db
.rooms
.room_servers(&body.room_id)
.filter_map(|r| r.ok())
.filter(|server| &**server != db.globals.server_name())
{
db.sending.send_pdu(&server, &pdu_id)?;
}
Ok(create_join_event::v2::Response {
room_state: RoomState {
auth_chain: auth_chain_ids
.iter()
.filter_map(|id| db.rooms.get_pdu_json(&id).ok().flatten())
.map(|json| PduEvent::convert_to_outgoing_federation_event(json))
.collect(),
state: state_ids
.iter()
.filter_map(|id| db.rooms.get_pdu_json(&id).ok().flatten())
.map(|json| PduEvent::convert_to_outgoing_federation_event(json))
.collect(),
},
}
.into())
}
#[cfg_attr(
feature = "conduit_bin",
put("/_matrix/federation/v2/invite/<_>/<_>", data = "<body>")
@ -1504,6 +1875,10 @@ pub async fn create_invite_route<'a>(
db: State<'a, Database>,
body: Ruma<create_invite::v2::Request>,
) -> ConduitResult<create_invite::v2::Response> {
if !db.globals.allow_federation() {
return Err(Error::bad_config("Federation is disabled."));
}
if body.room_version < RoomVersionId::Version6 {
return Err(Error::BadRequest(
ErrorKind::IncompatibleRoomVersion {
@ -1599,6 +1974,31 @@ pub async fn create_invite_route<'a>(
.into())
}
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/federation/v1/query/directory", data = "<body>")
)]
#[tracing::instrument(skip(db, body))]
pub fn get_room_information_route<'a>(
db: State<'a, Database>,
body: Ruma<get_room_information::v1::Request<'_>>,
) -> ConduitResult<get_room_information::v1::Response> {
if !db.globals.allow_federation() {
return Err(Error::bad_config("Federation is disabled."));
}
let room_id = db
.rooms
.id_from_alias(&body.room_alias)?
.ok_or_else(|| Error::BadRequest(ErrorKind::NotFound, "Room alias not found."))?;
Ok(get_room_information::v1::Response {
room_id,
servers: vec![db.globals.server_name().to_owned()],
}
.into())
}
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/federation/v1/query/profile", data = "<body>")