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fix: use correct room versions

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Timo Kösters 2021-03-26 11:10:45 +01:00
parent c213769d9f
commit cd4dc13731
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9 changed files with 236 additions and 155 deletions
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@ -229,7 +229,7 @@ version = "0.15.0-dev"
source = "git+https://github.com/SergioBenitez/cookie-rs.git?rev=1c3ca83#1c3ca838543b60a4448d279dc4b903cc7a2bc22a" source = "git+https://github.com/SergioBenitez/cookie-rs.git?rev=1c3ca83#1c3ca838543b60a4448d279dc4b903cc7a2bc22a"
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@ -596,9 +596,9 @@ checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
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@ -661,12 +661,13 @@ dependencies = [
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@ -883,9 +884,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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@ -1117,18 +1117,18 @@ checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
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@ -1459,9 +1459,9 @@ dependencies = [
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@ -1612,7 +1612,7 @@ dependencies = [
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"time 0.2.25", "time 0.2.26",
"tokio", "tokio",
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@ -1953,18 +1953,18 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
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@ -2089,9 +2089,9 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
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@ -2105,7 +2105,7 @@ checksum = "3015a7d0a5fd5105c91c3710d42f9ccf0abfb287d62206484dcc67f9569a6483"
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@ -2167,9 +2167,9 @@ checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
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@ -2315,9 +2315,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
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@ -2366,9 +2366,9 @@ dependencies = [
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@ -2501,15 +2501,16 @@ dependencies = [
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name = "wasm-bindgen-shared" name = "wasm-bindgen-shared"
version = "0.2.71" version = "0.2.72"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7d6f8ec44822dd71f5f221a5847fb34acd9060535c1211b70a05844c0f6383b1" checksum = "b7148f4696fb4960a346eaa60bbfb42a1ac4ebba21f750f75fc1375b098d5ffa"
[[package]] [[package]]
name = "web-sys" name = "web-sys"
version = "0.3.48" version = "0.3.49"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec600b26223b2948cedfde2a0aa6756dcf1fef616f43d7b3097aaf53a6c4d92b" checksum = "59fe19d70f5dacc03f6e46777213facae5ac3801575d56ca6cbd4c93dcd12310"
dependencies = [ dependencies = [
"js-sys", "js-sys",
"wasm-bindgen", "wasm-bindgen",

2
conduit-example.toml
View file

@ -35,7 +35,7 @@ max_request_size = 20_000_000 # in bytes
#cache_capacity = 1073741824 # in bytes, 1024 * 1024 * 1024 #cache_capacity = 1073741824 # in bytes, 1024 * 1024 * 1024
#max_concurrent_requests = 4 # How many requests Conduit sends to other servers at the same time #max_concurrent_requests = 4 # How many requests Conduit sends to other servers at the same time
#log = "info,rocket=off,_=off,sled=off" #log = "info,state_res=warn,rocket=off,_=off,sled=off"
#workers = 4 # default: cpu core count * 2 #workers = 4 # default: cpu core count * 2
address = "127.0.0.1" # This makes sure Conduit can only be reached using the reverse proxy address = "127.0.0.1" # This makes sure Conduit can only be reached using the reverse proxy

1
src/client_server/capabilities.rs
View file

@ -17,7 +17,6 @@ use rocket::get;
#[tracing::instrument] #[tracing::instrument]
pub async fn get_capabilities_route() -> ConduitResult<get_capabilities::Response> { pub async fn get_capabilities_route() -> ConduitResult<get_capabilities::Response> {
let mut available = BTreeMap::new(); let mut available = BTreeMap::new();
available.insert(RoomVersionId::Version5, RoomVersionStability::Stable);
available.insert(RoomVersionId::Version6, RoomVersionStability::Stable); available.insert(RoomVersionId::Version6, RoomVersionStability::Stable);
let mut capabilities = Capabilities::new(); let mut capabilities = Capabilities::new();

21
src/client_server/membership.rs
View file

@ -4,7 +4,7 @@ use crate::{
pdu::{PduBuilder, PduEvent}, pdu::{PduBuilder, PduEvent},
utils, ConduitResult, Database, Error, Result, Ruma, utils, ConduitResult, Database, Error, Result, Ruma,
}; };
use log::{error, info, warn}; use log::{error, warn};
use ruma::{ use ruma::{
api::{ api::{
client::{ client::{
@ -455,7 +455,7 @@ async fn join_room_by_id_helper(
federation::membership::create_join_event_template::v1::Request { federation::membership::create_join_event_template::v1::Request {
room_id, room_id,
user_id: sender_user, user_id: sender_user,
ver: &[RoomVersionId::Version5, RoomVersionId::Version6], ver: &[RoomVersionId::Version6],
}, },
) )
.await; .await;
@ -469,6 +469,11 @@ async fn join_room_by_id_helper(
let (make_join_response, remote_server) = make_join_response_and_server?; let (make_join_response, remote_server) = make_join_response_and_server?;
let room_version = match make_join_response.room_version {
Some(room_version) if room_version == RoomVersionId::Version6 => room_version,
_ => return Err(Error::BadServerResponse("Room version is not supported")),
};
let mut join_event_stub = let mut join_event_stub =
serde_json::from_str::<CanonicalJsonObject>(make_join_response.event.json().get()) serde_json::from_str::<CanonicalJsonObject>(make_join_response.event.json().get())
.map_err(|_| { .map_err(|_| {
@ -505,14 +510,14 @@ async fn join_room_by_id_helper(
db.globals.server_name().as_str(), db.globals.server_name().as_str(),
db.globals.keypair(), db.globals.keypair(),
&mut join_event_stub, &mut join_event_stub,
&RoomVersionId::Version6, &room_version,
) )
.expect("event is valid, we just created it"); .expect("event is valid, we just created it");
// Generate event id // Generate event id
let event_id = EventId::try_from(&*format!( let event_id = EventId::try_from(&*format!(
"${}", "${}",
ruma::signatures::reference_hash(&join_event_stub, &RoomVersionId::Version6) ruma::signatures::reference_hash(&join_event_stub, &room_version)
.expect("ruma can calculate reference hashes") .expect("ruma can calculate reference hashes")
)) ))
.expect("ruma's reference hashes are valid event ids"); .expect("ruma's reference hashes are valid event ids");
@ -546,7 +551,7 @@ async fn join_room_by_id_helper(
})?; })?;
let event_id = EventId::try_from(&*format!( let event_id = EventId::try_from(&*format!(
"${}", "${}",
ruma::signatures::reference_hash(&value, &RoomVersionId::Version6) ruma::signatures::reference_hash(&value, &room_version)
.expect("ruma can calculate reference hashes") .expect("ruma can calculate reference hashes")
)) ))
.expect("ruma's reference hashes are valid event ids"); .expect("ruma's reference hashes are valid event ids");
@ -586,8 +591,7 @@ async fn join_room_by_id_helper(
}) })
}) })
{ {
let (id, pdu) = pdu?; let (_id, pdu) = pdu?;
info!("adding {} to outliers: {:#?}", id, pdu);
db.rooms.add_pdu_outlier(&pdu)?; db.rooms.add_pdu_outlier(&pdu)?;
if let Some(state_key) = &pdu.state_key { if let Some(state_key) = &pdu.state_key {
if pdu.kind == EventType::RoomMember { if pdu.kind == EventType::RoomMember {
@ -641,8 +645,7 @@ async fn join_room_by_id_helper(
}) })
}) })
{ {
let (id, pdu) = pdu?; let (_id, pdu) = pdu?;
info!("adding {} to outliers: {:#?}", id, pdu);
db.rooms.add_pdu_outlier(&pdu)?; db.rooms.add_pdu_outlier(&pdu)?;
} }

5
src/client_server/room.rs
View file

@ -343,10 +343,7 @@ pub async fn upgrade_room_route(
) -> ConduitResult<upgrade_room::Response> { ) -> ConduitResult<upgrade_room::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated"); let sender_user = body.sender_user.as_ref().expect("user is authenticated");
if !matches!( if !matches!(body.new_version, RoomVersionId::Version6) {
body.new_version,
RoomVersionId::Version5 | RoomVersionId::Version6
) {
return Err(Error::BadRequest( return Err(Error::BadRequest(
ErrorKind::UnsupportedRoomVersion, ErrorKind::UnsupportedRoomVersion,
"This server does not support that room version.", "This server does not support that room version.",

2
src/database.rs
View file

@ -71,7 +71,7 @@ fn default_max_concurrent_requests() -> u16 {
} }
fn default_log() -> String { fn default_log() -> String {
"info,rocket=off,_=off,sled=off".to_owned() "info,state_res=warn,rocket=off,_=off,sled=off".to_owned()
} }
#[derive(Clone)] #[derive(Clone)]

26
src/database/rooms.rs
View file

@ -420,6 +420,27 @@ impl Rooms {
.map_or(Ok(None), |pdu_id| Ok(Some(pdu_id))) .map_or(Ok(None), |pdu_id| Ok(Some(pdu_id)))
} }
/// Returns the pdu.
///
/// Checks the `eventid_outlierpdu` Tree if not found in the timeline.
pub fn get_non_outlier_pdu(&self, event_id: &EventId) -> Result<Option<PduEvent>> {
self.eventid_pduid
.get(event_id.as_bytes())?
.map_or_else::<Result<_>, _, _>(
|| Ok(None),
|pduid| {
Ok(Some(self.pduid_pdu.get(&pduid)?.ok_or_else(|| {
Error::bad_database("Invalid pduid in eventid_pduid.")
})?))
},
)?
.map(|pdu| {
Ok(serde_json::from_slice(&pdu)
.map_err(|_| Error::bad_database("Invalid PDU in db."))?)
})
.transpose()
}
/// Returns the pdu. /// Returns the pdu.
/// ///
/// Checks the `eventid_outlierpdu` Tree if not found in the timeline. /// Checks the `eventid_outlierpdu` Tree if not found in the timeline.
@ -1002,6 +1023,7 @@ impl Rooms {
None 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| { let room_version = create_event_content.map_or(RoomVersionId::Version6, |create_event| {
create_event.room_version create_event.room_version
}); });
@ -1093,14 +1115,14 @@ impl Rooms {
db.globals.server_name().as_str(), db.globals.server_name().as_str(),
db.globals.keypair(), db.globals.keypair(),
&mut pdu_json, &mut pdu_json,
&RoomVersionId::Version6, &room_version,
) )
.expect("event is valid, we just created it"); .expect("event is valid, we just created it");
// Generate event id // Generate event id
pdu.event_id = EventId::try_from(&*format!( pdu.event_id = EventId::try_from(&*format!(
"${}", "${}",
ruma::signatures::reference_hash(&pdu_json, &RoomVersionId::Version6) ruma::signatures::reference_hash(&pdu_json, &room_version)
.expect("ruma can calculate reference hashes") .expect("ruma can calculate reference hashes")
)) ))
.expect("ruma's reference hashes are valid event ids"); .expect("ruma's reference hashes are valid event ids");

8
src/database/sending.rs
View file

@ -10,7 +10,7 @@ use crate::{
appservice_server, database::pusher, server_server, utils, Database, Error, PduEvent, Result, appservice_server, database::pusher, server_server, utils, Database, Error, PduEvent, Result,
}; };
use federation::transactions::send_transaction_message; use federation::transactions::send_transaction_message;
use log::{info, warn}; use log::warn;
use ring::digest; use ring::digest;
use rocket::futures::stream::{FuturesUnordered, StreamExt}; use rocket::futures::stream::{FuturesUnordered, StreamExt};
use ruma::{ use ruma::{
@ -518,7 +518,11 @@ impl Sending {
) )
.await .await
.map(|response| { .map(|response| {
info!("server response: {:?}", response); for pdu in response.pdus {
if pdu.1.is_err() {
warn!("Failed to send to {}: {:?}", server, pdu);
}
}
kind.clone() kind.clone()
}) })
.map_err(|e| (kind, e)); .map_err(|e| (kind, e));

185
src/server_server.rs
View file

@ -20,10 +20,10 @@ use ruma::{
OutgoingRequest, OutgoingRequest,
}, },
directory::{IncomingFilter, IncomingRoomNetwork}, directory::{IncomingFilter, IncomingRoomNetwork},
events::EventType, events::{room::create::CreateEventContent, EventType},
serde::to_canonical_value, serde::{to_canonical_value, Raw},
signatures::CanonicalJsonValue, signatures::CanonicalJsonValue,
EventId, RoomId, RoomVersionId, ServerName, ServerSigningKeyId, UserId, EventId, RoomId, ServerName, ServerSigningKeyId, UserId,
}; };
use state_res::{Event, EventMap, StateMap}; use state_res::{Event, EventMap, StateMap};
use std::{ use std::{
@ -180,7 +180,12 @@ where
.collect::<Vec<_>>(); .collect::<Vec<_>>();
if status != 200 { if status != 200 {
info!("{} {}:\n{}", url, status, String::from_utf8_lossy(&body),); info!(
"{} {}: {}",
url,
status,
String::from_utf8_lossy(&body).lines().collect::<Vec<_>>().join(" ")
);
} }
let response = T::IncomingResponse::try_from( let response = T::IncomingResponse::try_from(
@ -534,6 +539,16 @@ pub async fn send_transaction_message_route<'a>(
let mut resolved_map = BTreeMap::new(); let mut resolved_map = BTreeMap::new();
let mut pub_key_map = BTreeMap::new();
// This is all the auth_events that have been recursively fetched so they don't have to be
// deserialized over and over again.
// TODO: make this persist across requests but not in a DB Tree (in globals?)
// TODO: This could potentially also be some sort of trie (suffix tree) like structure so
// that once an auth event is known it would know (using indexes maybe) all of the auth
// events that it references.
let mut auth_cache = EventMap::new();
for pdu in body.pdus.iter() { for pdu in body.pdus.iter() {
// We do not add the event_id field to the pdu here because of signature and hashes checks // 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(pdu) { let (event_id, value) = match crate::pdu::gen_event_id_canonical_json(pdu) {
@ -544,13 +559,27 @@ pub async fn send_transaction_message_route<'a>(
} }
}; };
if let Err(e) = handle_incoming_pdu(&body.origin, &event_id, value, true, &db).await { if let Err(e) = handle_incoming_pdu(
&body.origin,
&event_id,
value,
true,
&db,
&mut pub_key_map,
&mut auth_cache,
)
.await
{
resolved_map.insert(event_id, Err(e)); resolved_map.insert(event_id, Err(e));
} }
} }
if !resolved_map.is_empty() { for pdu in &resolved_map {
warn!("These PDU's failed {:?}", resolved_map); if let Err(e) = pdu.1 {
if e != "Room is unknown to this server." {
warn!("Incoming PDU failed {:?}", pdu);
}
}
} }
Ok(send_transaction_message::v1::Response { pdus: resolved_map }.into()) Ok(send_transaction_message::v1::Response { pdus: resolved_map }.into())
@ -589,12 +618,14 @@ fn handle_incoming_pdu<'a>(
value: BTreeMap<String, CanonicalJsonValue>, value: BTreeMap<String, CanonicalJsonValue>,
is_timeline_event: bool, is_timeline_event: bool,
db: &'a Database, db: &'a Database,
pub_key_map: &'a mut BTreeMap<String, BTreeMap<String, String>>,
auth_cache: &'a mut EventMap<Arc<PduEvent>>,
) -> AsyncRecursiveResult<'a, Arc<PduEvent>> { ) -> AsyncRecursiveResult<'a, Arc<PduEvent>> {
Box::pin(async move { 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 // 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 // 0. Skip the PDU if we already know about it
if let Ok(Some(pdu)) = db.rooms.get_pdu(&event_id) { if let Ok(Some(pdu)) = db.rooms.get_non_outlier_pdu(&event_id) {
return Ok(Arc::new(pdu)); return Ok(Arc::new(pdu));
} }
@ -610,27 +641,17 @@ fn handle_incoming_pdu<'a>(
Some(id) => id, Some(id) => id,
None => { None => {
// Event is invalid // Event is invalid
return Err("Event needs a valid RoomId".to_string()); return Err("Event needs a valid RoomId.".to_string());
} }
}; };
match db.rooms.exists(&room_id) { match db.rooms.exists(&room_id) {
Ok(true) => {} Ok(true) => {}
_ => { _ => {
return Err("Room is unknown to this server".to_string()); return Err("Room is unknown to this server.".to_string());
} }
} }
let mut pub_key_map = BTreeMap::new();
// This is all the auth_events that have been recursively fetched so they don't have to be
// deserialized over and over again.
// TODO: make this persist across requests but not in a DB Tree (in globals?)
// TODO: This could potentially also be some sort of trie (suffix tree) like structure so
// that once an auth event is known it would know (using indexes maybe) all of the auth
// events that it references.
let mut auth_cache = EventMap::new();
// We go through all the signatures we see on the value and fetch the corresponding signing // We go through all the signatures we see on the value and fetch the corresponding signing
// keys // keys
for (signature_server, signature) in match value for (signature_server, signature) in match value
@ -674,22 +695,35 @@ fn handle_incoming_pdu<'a>(
// 2. Check signatures, otherwise drop // 2. Check signatures, otherwise drop
// 3. check content hash, redact if doesn't match // 3. check content hash, redact if doesn't match
let mut val = let create_event = db
match ruma::signatures::verify_event(&pub_key_map, &value, &RoomVersionId::Version5) { .rooms
Err(e) => { .room_state_get(&room_id, &EventType::RoomCreate, "")
// Drop .map_err(|_| "Failed to ask database for event.")?
error!("{:?}: {}", value, e); .ok_or_else(|| "Failed to find create event in db.")?;
return Err("Signature verification failed".to_string());
let create_event_content =
serde_json::from_value::<Raw<CreateEventContent>>(create_event.content.clone())
.expect("Raw::from_value always works.")
.deserialize()
.map_err(|_| "Invalid PowerLevels event in db.".to_owned())?;
let room_version = create_event_content.room_version;
let mut val = match ruma::signatures::verify_event(&pub_key_map, &value, &room_version) {
Err(e) => {
// Drop
error!("{:?}: {}", value, e);
return Err("Signature verification failed".to_string());
}
Ok(ruma::signatures::Verified::Signatures) => {
// Redact
match ruma::signatures::redact(&value, &room_version) {
Ok(obj) => obj,
Err(_) => return Err("Redaction failed".to_string()),
} }
Ok(ruma::signatures::Verified::Signatures) => { }
// Redact Ok(ruma::signatures::Verified::All) => value,
match ruma::signatures::redact(&value, &RoomVersionId::Version6) { };
Ok(obj) => obj,
Err(_) => return Err("Redaction failed".to_string()),
}
}
Ok(ruma::signatures::Verified::All) => value,
};
// Now that we have checked the signature and hashes we can add the eventID and convert // Now that we have checked the signature and hashes we can add the eventID and convert
// to our PduEvent type // to our PduEvent type
@ -705,9 +739,15 @@ fn handle_incoming_pdu<'a>(
// 4. fetch any missing auth events doing all checks listed here starting at 1. These are not timeline events // 4. fetch any missing auth events doing all checks listed here starting at 1. These are not timeline events
// 5. Reject "due to auth events" if can't get all the auth events or some of the auth events are also rejected "due to auth events" // 5. Reject "due to auth events" if can't get all the auth events or some of the auth events are also rejected "due to auth events"
debug!("Fetching auth events."); debug!("Fetching auth events.");
fetch_and_handle_events(db, origin, &incoming_pdu.auth_events, &mut auth_cache) fetch_and_handle_events(
.await db,
.map_err(|e| e.to_string())?; origin,
&incoming_pdu.auth_events,
pub_key_map,
auth_cache,
)
.await
.map_err(|e| e.to_string())?;
// 6. Reject "due to auth events" if the event doesn't pass auth based on the auth events // 6. Reject "due to auth events" if the event doesn't pass auth based on the auth events
debug!("Checking auth."); debug!("Checking auth.");
@ -738,12 +778,6 @@ fn handle_incoming_pdu<'a>(
} }
} }
let create_event = db
.rooms
.room_state_get(&incoming_pdu.room_id, &EventType::RoomCreate, "")
.map_err(|_| "Failed to ask database for event.")?
.ok_or_else(|| "Failed to find create event in db.")?;
// The original create event must be in the auth events // The original create event must be in the auth events
if auth_events if auth_events
.get(&(EventType::RoomCreate, "".to_owned())) .get(&(EventType::RoomCreate, "".to_owned()))
@ -768,7 +802,7 @@ fn handle_incoming_pdu<'a>(
let incoming_pdu = Arc::new(incoming_pdu.clone()); let incoming_pdu = Arc::new(incoming_pdu.clone());
if !state_res::event_auth::auth_check( if !state_res::event_auth::auth_check(
&RoomVersionId::Version6, &room_version,
&incoming_pdu, &incoming_pdu,
previous_create.clone(), previous_create.clone(),
&auth_events, &auth_events,
@ -810,7 +844,7 @@ fn handle_incoming_pdu<'a>(
&db.globals, &db.globals,
origin, origin,
get_room_state_ids::v1::Request { get_room_state_ids::v1::Request {
room_id: &incoming_pdu.room_id, room_id: &room_id,
event_id: &incoming_pdu.event_id, event_id: &incoming_pdu.event_id,
}, },
) )
@ -822,7 +856,8 @@ fn handle_incoming_pdu<'a>(
&db, &db,
origin, origin,
&res.pdu_ids, &res.pdu_ids,
&mut auth_cache, pub_key_map,
auth_cache,
) )
.await .await
{ {
@ -854,7 +889,8 @@ fn handle_incoming_pdu<'a>(
&db, &db,
origin, origin,
&res.auth_chain_ids, &res.auth_chain_ids,
&mut auth_cache, pub_key_map,
auth_cache,
) )
.await .await
{ {
@ -871,7 +907,7 @@ fn handle_incoming_pdu<'a>(
// 11. Check the auth of the event passes based on the state of the event // 11. Check the auth of the event passes based on the state of the event
if !state_res::event_auth::auth_check( if !state_res::event_auth::auth_check(
&RoomVersionId::Version6, &room_version,
&incoming_pdu, &incoming_pdu,
previous_create.clone(), previous_create.clone(),
&state_at_incoming_event, &state_at_incoming_event,
@ -886,14 +922,14 @@ fn handle_incoming_pdu<'a>(
// 13. Check if the event passes auth based on the "current state" of the room, if not "soft fail" it // 13. Check if the event passes auth based on the "current state" of the room, if not "soft fail" it
let current_state = db let current_state = db
.rooms .rooms
.room_state_full(incoming_pdu.room_id()) .room_state_full(&room_id)
.map_err(|_| "Failed to load room state.".to_owned())? .map_err(|_| "Failed to load room state.".to_owned())?
.into_iter() .into_iter()
.map(|(k, v)| (k, Arc::new(v))) .map(|(k, v)| (k, Arc::new(v)))
.collect(); .collect();
if !state_res::event_auth::auth_check( if !state_res::event_auth::auth_check(
&RoomVersionId::Version6, // TODO: Use correct room version &room_version,
&incoming_pdu, &incoming_pdu,
previous_create, previous_create,
&current_state, &current_state,
@ -910,7 +946,7 @@ fn handle_incoming_pdu<'a>(
// applied. We start with the previous extremities (aka leaves) // applied. We start with the previous extremities (aka leaves)
let mut extremities = db let mut extremities = db
.rooms .rooms
.get_pdu_leaves(&incoming_pdu.room_id) .get_pdu_leaves(&room_id)
.map_err(|_| "Failed to load room leaves".to_owned())?; .map_err(|_| "Failed to load room leaves".to_owned())?;
// Remove any forward extremities that are referenced by this incoming event's prev_events // Remove any forward extremities that are referenced by this incoming event's prev_events
@ -922,7 +958,11 @@ fn handle_incoming_pdu<'a>(
let mut fork_states = BTreeSet::new(); let mut fork_states = BTreeSet::new();
for id in &extremities { for id in &extremities {
match db.rooms.get_pdu(&id).map_err(|_| "Failed to ask db for pdu.".to_owned())? { match db
.rooms
.get_pdu(&id)
.map_err(|_| "Failed to ask db for pdu.".to_owned())?
{
Some(leaf_pdu) => { Some(leaf_pdu) => {
let pdu_shortstatehash = db let pdu_shortstatehash = db
.rooms .rooms
@ -985,7 +1025,7 @@ fn handle_incoming_pdu<'a>(
} else if fork_states.len() == 1 { } else if fork_states.len() == 1 {
// There was only one state, so it has to be the room's current state (because that is // There was only one state, so it has to be the room's current state (because that is
// always included) // always included)
info!("Skipping stateres because there is no new state."); debug!("Skipping stateres because there is no new state.");
fork_states[0] fork_states[0]
.iter() .iter()
.map(|(k, pdu)| (k.clone(), pdu.event_id.clone())) .map(|(k, pdu)| (k.clone(), pdu.event_id.clone()))
@ -998,8 +1038,14 @@ fn handle_incoming_pdu<'a>(
for map in &fork_states { for map in &fork_states {
let mut state_auth = vec![]; let mut state_auth = vec![];
for auth_id in map.values().flat_map(|pdu| &pdu.auth_events) { for auth_id in map.values().flat_map(|pdu| &pdu.auth_events) {
match fetch_and_handle_events(&db, origin, &[auth_id.clone()], &mut auth_cache) match fetch_and_handle_events(
.await &db,
origin,
&[auth_id.clone()],
pub_key_map,
auth_cache,
)
.await
{ {
// This should always contain exactly one element when Ok // This should always contain exactly one element when Ok
Ok(events) => state_auth.push(events[0].clone()), Ok(events) => state_auth.push(events[0].clone()),
@ -1030,8 +1076,8 @@ fn handle_incoming_pdu<'a>(
); );
match state_res::StateResolution::resolve( match state_res::StateResolution::resolve(
&incoming_pdu.room_id, &room_id,
&RoomVersionId::Version6, &room_version,
&fork_states &fork_states
.into_iter() .into_iter()
.map(|map| { .map(|map| {
@ -1044,7 +1090,7 @@ fn handle_incoming_pdu<'a>(
.into_iter() .into_iter()
.map(|pdus| pdus.into_iter().map(|pdu| pdu.event_id().clone()).collect()) .map(|pdus| pdus.into_iter().map(|pdu| pdu.event_id().clone()).collect())
.collect(), .collect(),
&mut auth_cache, auth_cache,
) { ) {
Ok(new_state) => new_state, Ok(new_state) => new_state,
Err(_) => { Err(_) => {
@ -1089,6 +1135,7 @@ pub(crate) async fn fetch_and_handle_events(
db: &Database, db: &Database,
origin: &ServerName, origin: &ServerName,
events: &[EventId], events: &[EventId],
pub_key_map: &mut BTreeMap<String, BTreeMap<String, String>>,
auth_cache: &mut EventMap<Arc<PduEvent>>, auth_cache: &mut EventMap<Arc<PduEvent>>,
) -> Result<Vec<Arc<PduEvent>>> { ) -> Result<Vec<Arc<PduEvent>>> {
let mut pdus = vec![]; let mut pdus = vec![];
@ -1123,12 +1170,20 @@ pub(crate) async fn fetch_and_handle_events(
debug!("Got event over federation: {:?}", res); debug!("Got event over federation: {:?}", res);
let (event_id, value) = let (event_id, value) =
crate::pdu::gen_event_id_canonical_json(&res.pdu)?; crate::pdu::gen_event_id_canonical_json(&res.pdu)?;
let pdu = handle_incoming_pdu(origin, &event_id, value, false, db) let pdu = handle_incoming_pdu(
.await origin,
.map_err(|e| { &event_id,
error!("Error: {:?}", e); value,
Error::Conflict("Authentication of event failed") false,
})?; db,
pub_key_map,
auth_cache,
)
.await
.map_err(|e| {
error!("Error: {:?}", e);
Error::Conflict("Authentication of event failed")
})?;
pdu pdu
} }