1712 lines
61 KiB
Rust
1712 lines
61 KiB
Rust
use crate::{client_server, utils, ConduitResult, Database, Error, PduEvent, Result, Ruma};
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use get_profile_information::v1::ProfileField;
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use http::header::{HeaderValue, AUTHORIZATION, HOST};
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use log::{debug, error, info, warn};
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use regex::Regex;
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use rocket::{response::content::Json, State};
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use ruma::{
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api::{
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client::error::ErrorKind,
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federation::{
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directory::{get_public_rooms, get_public_rooms_filtered},
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discovery::{
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get_remote_server_keys, get_server_keys,
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get_server_version::v1 as get_server_version, ServerSigningKeys, VerifyKey,
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},
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event::{get_event, get_missing_events, get_room_state_ids},
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query::get_profile_information,
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transactions::send_transaction_message,
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},
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OutgoingRequest,
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},
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directory::{IncomingFilter, IncomingRoomNetwork},
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events::EventType,
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serde::to_canonical_value,
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signatures::{CanonicalJsonObject, CanonicalJsonValue, PublicKeyMap},
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EventId, RoomId, RoomVersionId, ServerName, ServerSigningKeyId, UserId,
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};
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use state_res::{Event, EventMap, StateMap};
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use std::{
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collections::{BTreeMap, BTreeSet, HashMap},
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convert::TryFrom,
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fmt::Debug,
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future::Future,
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net::{IpAddr, SocketAddr},
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pin::Pin,
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result::Result as StdResult,
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sync::Arc,
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time::{Duration, SystemTime},
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};
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#[cfg(feature = "conduit_bin")]
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use rocket::{get, post, put};
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#[tracing::instrument(skip(globals))]
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pub async fn send_request<T: OutgoingRequest>(
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globals: &crate::database::globals::Globals,
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destination: &ServerName,
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request: T,
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) -> Result<T::IncomingResponse>
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where
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T: Debug,
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{
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if !globals.allow_federation() {
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return Err(Error::bad_config("Federation is disabled."));
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}
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let maybe_result = globals
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.actual_destination_cache
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.read()
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.unwrap()
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.get(destination)
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.cloned();
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let (actual_destination, host) = if let Some(result) = maybe_result {
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result
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} else {
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let result = find_actual_destination(globals, &destination).await;
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globals
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.actual_destination_cache
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.write()
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.unwrap()
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.insert(Box::<ServerName>::from(destination), result.clone());
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result
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};
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let mut http_request = request
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.try_into_http_request(&actual_destination, Some(""))
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.map_err(|e| {
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warn!("Failed to find destination {}: {}", actual_destination, e);
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Error::BadServerResponse("Invalid destination")
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})?;
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let mut request_map = serde_json::Map::new();
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if !http_request.body().is_empty() {
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request_map.insert(
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"content".to_owned(),
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serde_json::from_slice(http_request.body())
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.expect("body is valid json, we just created it"),
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);
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};
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request_map.insert("method".to_owned(), T::METADATA.method.to_string().into());
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request_map.insert(
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"uri".to_owned(),
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http_request
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.uri()
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.path_and_query()
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.expect("all requests have a path")
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.to_string()
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.into(),
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);
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request_map.insert("origin".to_owned(), globals.server_name().as_str().into());
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request_map.insert("destination".to_owned(), destination.as_str().into());
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let mut request_json =
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serde_json::from_value(request_map.into()).expect("valid JSON is valid BTreeMap");
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ruma::signatures::sign_json(
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globals.server_name().as_str(),
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globals.keypair(),
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&mut request_json,
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)
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.expect("our request json is what ruma expects");
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let request_json: serde_json::Map<String, serde_json::Value> =
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serde_json::from_slice(&serde_json::to_vec(&request_json).unwrap()).unwrap();
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let signatures = request_json["signatures"]
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.as_object()
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.unwrap()
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.values()
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.map(|v| {
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v.as_object()
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.unwrap()
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.iter()
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.map(|(k, v)| (k, v.as_str().unwrap()))
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});
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for signature_server in signatures {
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for s in signature_server {
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http_request.headers_mut().insert(
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AUTHORIZATION,
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HeaderValue::from_str(&format!(
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"X-Matrix origin={},key=\"{}\",sig=\"{}\"",
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globals.server_name(),
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s.0,
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s.1
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))
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.unwrap(),
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);
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}
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}
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http_request
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.headers_mut()
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.insert(HOST, HeaderValue::from_str(&host).unwrap());
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let mut reqwest_request = reqwest::Request::try_from(http_request)
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.expect("all http requests are valid reqwest requests");
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*reqwest_request.timeout_mut() = Some(Duration::from_secs(30));
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let url = reqwest_request.url().clone();
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let reqwest_response = globals.reqwest_client().execute(reqwest_request).await;
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// Because reqwest::Response -> http::Response is complicated:
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match reqwest_response {
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Ok(mut reqwest_response) => {
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let status = reqwest_response.status();
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let mut http_response = http::Response::builder().status(status);
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let headers = http_response.headers_mut().unwrap();
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for (k, v) in reqwest_response.headers_mut().drain() {
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if let Some(key) = k {
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headers.insert(key, v);
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}
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}
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let status = reqwest_response.status();
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let body = reqwest_response
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.bytes()
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.await
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.unwrap_or_else(|e| {
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warn!("server error {}", e);
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Vec::new().into()
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}) // TODO: handle timeout
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.into_iter()
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.collect::<Vec<_>>();
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if status != 200 {
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info!(
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"Server returned bad response {} {}\n{}\n{:?}",
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destination,
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status,
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url,
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utils::string_from_bytes(&body)
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);
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}
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let response = T::IncomingResponse::try_from(
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http_response
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.body(body)
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.expect("reqwest body is valid http body"),
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);
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response.map_err(|_| {
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info!(
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"Server returned invalid response bytes {}\n{}",
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destination, url
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);
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Error::BadServerResponse("Server returned bad response.")
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})
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}
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Err(e) => Err(e.into()),
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}
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}
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#[tracing::instrument]
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fn get_ip_with_port(destination_str: String) -> Option<String> {
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if destination_str.parse::<SocketAddr>().is_ok() {
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Some(destination_str)
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} else if let Ok(ip_addr) = destination_str.parse::<IpAddr>() {
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Some(SocketAddr::new(ip_addr, 8448).to_string())
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} else {
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None
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}
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}
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#[tracing::instrument]
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fn add_port_to_hostname(destination_str: String) -> String {
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match destination_str.find(':') {
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None => destination_str.to_owned() + ":8448",
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Some(_) => destination_str.to_string(),
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}
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}
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/// Returns: actual_destination, host header
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/// Implemented according to the specification at https://matrix.org/docs/spec/server_server/r0.1.4#resolving-server-names
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/// Numbers in comments below refer to bullet points in linked section of specification
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#[tracing::instrument(skip(globals))]
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async fn find_actual_destination(
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globals: &crate::database::globals::Globals,
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destination: &'_ ServerName,
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) -> (String, String) {
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let destination_str = destination.as_str().to_owned();
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let mut host = destination_str.clone();
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let actual_destination = "https://".to_owned()
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+ &match get_ip_with_port(destination_str.clone()) {
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Some(host_port) => {
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// 1: IP literal with provided or default port
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host_port
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}
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None => {
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if destination_str.find(':').is_some() {
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// 2: Hostname with included port
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destination_str
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} else {
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match request_well_known(globals, &destination.as_str()).await {
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// 3: A .well-known file is available
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Some(delegated_hostname) => {
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host = delegated_hostname.clone();
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match get_ip_with_port(delegated_hostname.clone()) {
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Some(host_and_port) => host_and_port, // 3.1: IP literal in .well-known file
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None => {
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if destination_str.find(':').is_some() {
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// 3.2: Hostname with port in .well-known file
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destination_str
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} else {
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match query_srv_record(globals, &delegated_hostname).await {
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// 3.3: SRV lookup successful
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Some(hostname) => hostname,
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// 3.4: No SRV records, just use the hostname from .well-known
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None => add_port_to_hostname(delegated_hostname),
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}
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}
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}
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}
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}
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// 4: No .well-known or an error occured
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None => {
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match query_srv_record(globals, &destination_str).await {
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// 4: SRV record found
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Some(hostname) => hostname,
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// 5: No SRV record found
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None => add_port_to_hostname(destination_str.to_string()),
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}
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}
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}
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}
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}
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};
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(actual_destination, host)
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}
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#[tracing::instrument(skip(globals))]
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async fn query_srv_record(
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globals: &crate::database::globals::Globals,
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hostname: &'_ str,
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) -> Option<String> {
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if let Ok(Some(host_port)) = globals
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.dns_resolver()
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.srv_lookup(format!("_matrix._tcp.{}", hostname))
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.await
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.map(|srv| {
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srv.iter().next().map(|result| {
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format!(
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"{}:{}",
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result.target().to_string().trim_end_matches('.'),
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result.port().to_string()
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)
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})
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})
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{
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Some(host_port)
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} else {
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None
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}
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}
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#[tracing::instrument(skip(globals))]
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pub async fn request_well_known(
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globals: &crate::database::globals::Globals,
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destination: &str,
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) -> Option<String> {
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let body: serde_json::Value = serde_json::from_str(
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&globals
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.reqwest_client()
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.get(&format!(
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"https://{}/.well-known/matrix/server",
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destination
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))
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.send()
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.await
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.ok()?
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.text()
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.await
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.ok()?,
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)
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.ok()?;
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Some(body.get("m.server")?.as_str()?.to_owned())
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}
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#[cfg_attr(feature = "conduit_bin", get("/_matrix/federation/v1/version"))]
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#[tracing::instrument(skip(db))]
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pub fn get_server_version_route(
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db: State<'_, Database>,
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) -> ConduitResult<get_server_version::Response> {
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if !db.globals.allow_federation() {
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return Err(Error::bad_config("Federation is disabled."));
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}
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Ok(get_server_version::Response {
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server: Some(get_server_version::Server {
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name: Some("Conduit".to_owned()),
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version: Some(env!("CARGO_PKG_VERSION").to_owned()),
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}),
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}
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.into())
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}
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#[cfg_attr(feature = "conduit_bin", get("/_matrix/key/v2/server"))]
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#[tracing::instrument(skip(db))]
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pub fn get_server_keys_route(db: State<'_, Database>) -> Json<String> {
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if !db.globals.allow_federation() {
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// TODO: Use proper types
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return Json("Federation is disabled.".to_owned());
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}
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let mut verify_keys = BTreeMap::new();
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verify_keys.insert(
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ServerSigningKeyId::try_from(
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format!("ed25519:{}", db.globals.keypair().version()).as_str(),
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)
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.expect("found invalid server signing keys in DB"),
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VerifyKey {
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key: base64::encode_config(db.globals.keypair().public_key(), base64::STANDARD_NO_PAD),
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},
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);
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let mut response = serde_json::from_slice(
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http::Response::try_from(get_server_keys::v2::Response {
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server_key: ServerSigningKeys {
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server_name: db.globals.server_name().to_owned(),
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verify_keys,
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old_verify_keys: BTreeMap::new(),
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signatures: BTreeMap::new(),
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valid_until_ts: SystemTime::now() + Duration::from_secs(60 * 2),
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},
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})
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.unwrap()
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.body(),
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)
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.unwrap();
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ruma::signatures::sign_json(
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db.globals.server_name().as_str(),
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db.globals.keypair(),
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&mut response,
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)
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.unwrap();
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Json(ruma::serde::to_canonical_json_string(&response).expect("JSON is canonical"))
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}
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#[cfg_attr(feature = "conduit_bin", get("/_matrix/key/v2/server/<_>"))]
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#[tracing::instrument(skip(db))]
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pub fn get_server_keys_deprecated_route(db: State<'_, Database>) -> Json<String> {
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get_server_keys_route(db)
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}
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|
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#[cfg_attr(
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feature = "conduit_bin",
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post("/_matrix/federation/v1/publicRooms", data = "<body>")
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)]
|
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#[tracing::instrument(skip(db, body))]
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pub async fn get_public_rooms_filtered_route(
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db: State<'_, Database>,
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body: Ruma<get_public_rooms_filtered::v1::Request<'_>>,
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) -> ConduitResult<get_public_rooms_filtered::v1::Response> {
|
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if !db.globals.allow_federation() {
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return Err(Error::bad_config("Federation is disabled."));
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}
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|
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let response = client_server::get_public_rooms_filtered_helper(
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&db,
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None,
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body.limit,
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body.since.as_deref(),
|
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&body.filter,
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&body.room_network,
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)
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.await?
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.0;
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Ok(get_public_rooms_filtered::v1::Response {
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chunk: response
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.chunk
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.into_iter()
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.map(|c| {
|
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// Convert ruma::api::federation::directory::get_public_rooms::v1::PublicRoomsChunk
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// to ruma::api::client::r0::directory::PublicRoomsChunk
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Ok::<_, Error>(
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serde_json::from_str(
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&serde_json::to_string(&c)
|
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.expect("PublicRoomsChunk::to_string always works"),
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)
|
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.expect("federation and client-server PublicRoomsChunk are the same type"),
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)
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})
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.filter_map(|r| r.ok())
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.collect(),
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prev_batch: response.prev_batch,
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next_batch: response.next_batch,
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total_room_count_estimate: response.total_room_count_estimate,
|
|
}
|
|
.into())
|
|
}
|
|
|
|
#[cfg_attr(
|
|
feature = "conduit_bin",
|
|
get("/_matrix/federation/v1/publicRooms", data = "<body>")
|
|
)]
|
|
#[tracing::instrument(skip(db, body))]
|
|
pub async fn get_public_rooms_route(
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db: State<'_, Database>,
|
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body: Ruma<get_public_rooms::v1::Request<'_>>,
|
|
) -> ConduitResult<get_public_rooms::v1::Response> {
|
|
if !db.globals.allow_federation() {
|
|
return Err(Error::bad_config("Federation is disabled."));
|
|
}
|
|
|
|
let response = client_server::get_public_rooms_filtered_helper(
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|
&db,
|
|
None,
|
|
body.limit,
|
|
body.since.as_deref(),
|
|
&IncomingFilter::default(),
|
|
&IncomingRoomNetwork::Matrix,
|
|
)
|
|
.await?
|
|
.0;
|
|
|
|
Ok(get_public_rooms::v1::Response {
|
|
chunk: response
|
|
.chunk
|
|
.into_iter()
|
|
.map(|c| {
|
|
// Convert ruma::api::federation::directory::get_public_rooms::v1::PublicRoomsChunk
|
|
// to ruma::api::client::r0::directory::PublicRoomsChunk
|
|
Ok::<_, Error>(
|
|
serde_json::from_str(
|
|
&serde_json::to_string(&c)
|
|
.expect("PublicRoomsChunk::to_string always works"),
|
|
)
|
|
.expect("federation and client-server PublicRoomsChunk are the same type"),
|
|
)
|
|
})
|
|
.filter_map(|r| r.ok())
|
|
.collect(),
|
|
prev_batch: response.prev_batch,
|
|
next_batch: response.next_batch,
|
|
total_room_count_estimate: response.total_room_count_estimate,
|
|
}
|
|
.into())
|
|
}
|
|
|
|
#[cfg_attr(
|
|
feature = "conduit_bin",
|
|
put("/_matrix/federation/v1/send/<_>", data = "<body>")
|
|
)]
|
|
#[tracing::instrument(skip(db, body))]
|
|
pub async fn send_transaction_message_route<'a>(
|
|
db: State<'a, Database>,
|
|
body: Ruma<send_transaction_message::v1::Request<'_>>,
|
|
) -> ConduitResult<send_transaction_message::v1::Response> {
|
|
if !db.globals.allow_federation() {
|
|
return Err(Error::bad_config("Federation is disabled."));
|
|
}
|
|
|
|
info!("Incoming PDUs: {:?}", &body.pdus);
|
|
|
|
for edu in &body.edus {
|
|
match serde_json::from_str::<send_transaction_message::v1::Edu>(edu.json().get()) {
|
|
Ok(edu) => match edu.edu_type.as_str() {
|
|
"m.typing" => {
|
|
if let Some(typing) = edu.content.get("typing") {
|
|
if typing.as_bool().unwrap_or_default() {
|
|
db.rooms.edus.typing_add(
|
|
&UserId::try_from(edu.content["user_id"].as_str().unwrap())
|
|
.unwrap(),
|
|
&RoomId::try_from(edu.content["room_id"].as_str().unwrap())
|
|
.unwrap(),
|
|
3000 + utils::millis_since_unix_epoch(),
|
|
&db.globals,
|
|
)?;
|
|
} else {
|
|
db.rooms.edus.typing_remove(
|
|
&UserId::try_from(edu.content["user_id"].as_str().unwrap())
|
|
.unwrap(),
|
|
&RoomId::try_from(edu.content["room_id"].as_str().unwrap())
|
|
.unwrap(),
|
|
&db.globals,
|
|
)?;
|
|
}
|
|
}
|
|
}
|
|
"m.presence" => {}
|
|
"m.receipt" => {}
|
|
"m.device_list_update" => {}
|
|
_ => {}
|
|
},
|
|
Err(_err) => {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
let mut resolved_map = BTreeMap::new();
|
|
|
|
let pdus_to_resolve = body
|
|
.pdus
|
|
.iter()
|
|
.filter_map(|pdu| {
|
|
// 1. Is a valid event, otherwise it is dropped.
|
|
// Ruma/PduEvent/StateEvent satisfies this
|
|
// We do not add the event_id field to the pdu here because of signature and hashes checks
|
|
let (event_id, value) = crate::pdu::gen_event_id_canonical_json(pdu);
|
|
|
|
// If we have no idea about this room skip the PDU
|
|
let room_id = match value
|
|
.get("room_id")
|
|
.map(|id| match id {
|
|
CanonicalJsonValue::String(id) => RoomId::try_from(id.as_str()).ok(),
|
|
_ => None,
|
|
})
|
|
.flatten()
|
|
{
|
|
Some(id) => id,
|
|
None => {
|
|
resolved_map.insert(event_id, Err("Event needs a valid RoomId".to_string()));
|
|
return None;
|
|
}
|
|
};
|
|
|
|
// 1. check the server is in the room (optional)
|
|
match db.rooms.exists(&room_id) {
|
|
Ok(true) => {}
|
|
_ => {
|
|
resolved_map
|
|
.insert(event_id, Err("Room is unknown to this server".to_string()));
|
|
return None;
|
|
}
|
|
}
|
|
|
|
// If we know of this pdu we don't need to continue processing it
|
|
if let Ok(Some(_)) = db.rooms.get_pdu_id(&event_id) {
|
|
return None;
|
|
}
|
|
|
|
Some((event_id, room_id, value))
|
|
})
|
|
.collect::<Vec<_>>();
|
|
|
|
// TODO: For RoomVersion6 we must check that Raw<..> is canonical do we anywhere?
|
|
// SPEC:
|
|
// Servers MUST strictly enforce the JSON format specified in the appendices.
|
|
// This translates to a 400 M_BAD_JSON error on most endpoints, or discarding of
|
|
// events over federation. For example, the Federation API's /send endpoint would
|
|
// discard the event whereas the Client Server API's /send/{eventType} endpoint
|
|
// would return a M_BAD_JSON error.
|
|
'main_pdu_loop: for (event_id, _room_id, value) in pdus_to_resolve {
|
|
debug!("Working on incoming pdu: {:?}", value);
|
|
let server_name = &body.body.origin;
|
|
let mut pub_key_map = BTreeMap::new();
|
|
|
|
// TODO: make this persist but not a DB Tree...
|
|
// This is all the auth_events that have been recursively fetched so they don't have to be
|
|
// deserialized over and over again. 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();
|
|
|
|
// 2. check content hash, redact if doesn't match
|
|
// 3. fetch any missing auth events doing all checks listed here starting at 1. These are not timeline events
|
|
// 4. 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 the event doesn't pass auth based on the auth events
|
|
// 7. if not timeline event: stop
|
|
// TODO; 8. fetch any missing prev events doing all checks listed here starting at 1. These are timeline events
|
|
// the events found in step 8 can be authed/resolved and appended to the DB
|
|
let (pdu, previous_create): (Arc<PduEvent>, Option<Arc<PduEvent>>) = match validate_event(
|
|
&db,
|
|
value,
|
|
event_id.clone(),
|
|
&mut pub_key_map,
|
|
server_name,
|
|
// All the auth events gathered will be here
|
|
&mut auth_cache,
|
|
)
|
|
.await
|
|
{
|
|
Ok(pdu) => pdu,
|
|
Err(e) => {
|
|
resolved_map.insert(event_id, Err(e));
|
|
continue;
|
|
}
|
|
};
|
|
debug!("Validated event.");
|
|
|
|
// 6. persist the event as an outlier.
|
|
db.rooms.add_pdu_outlier(&pdu)?;
|
|
debug!("Added pdu as outlier.");
|
|
|
|
// Step 9. fetch missing state by calling /state_ids at backwards extremities doing all
|
|
// the checks in this list starting at 1. These are not timeline events.
|
|
//
|
|
// Step 10. check the auth of the event passes based on the calculated state of the event
|
|
//
|
|
// TODO: if we know the prev_events of the incoming event we can avoid the request and build
|
|
// the state from a known point and resolve if > 1 prev_event
|
|
debug!("Requesting state at event.");
|
|
let (state_at_event, incoming_auth_events): (StateMap<Arc<PduEvent>>, Vec<Arc<PduEvent>>) =
|
|
match db
|
|
.sending
|
|
.send_federation_request(
|
|
&db.globals,
|
|
server_name,
|
|
get_room_state_ids::v1::Request {
|
|
room_id: pdu.room_id(),
|
|
event_id: pdu.event_id(),
|
|
},
|
|
)
|
|
.await
|
|
{
|
|
Ok(res) => {
|
|
debug!("Fetching state events at event.");
|
|
let state = match fetch_events(
|
|
&db,
|
|
server_name,
|
|
&mut pub_key_map,
|
|
&res.pdu_ids,
|
|
&mut auth_cache,
|
|
)
|
|
.await
|
|
{
|
|
Ok(state) => state,
|
|
Err(_) => continue,
|
|
};
|
|
|
|
// Sanity check: there are no conflicting events in the state we received
|
|
let mut seen = BTreeSet::new();
|
|
for ev in &state {
|
|
// If the key is already present
|
|
if !seen.insert((&ev.kind, &ev.state_key)) {
|
|
error!("Server sent us an invalid state");
|
|
continue;
|
|
}
|
|
}
|
|
|
|
let state = state
|
|
.into_iter()
|
|
.map(|pdu| ((pdu.kind.clone(), pdu.state_key.clone()), pdu))
|
|
.collect();
|
|
|
|
let incoming_auth_events = match fetch_events(
|
|
&db,
|
|
server_name,
|
|
&mut pub_key_map,
|
|
&res.auth_chain_ids,
|
|
&mut auth_cache,
|
|
)
|
|
.await
|
|
{
|
|
Ok(state) => state,
|
|
Err(_) => continue,
|
|
};
|
|
|
|
debug!("Fetching auth events of state events at event.");
|
|
(state, incoming_auth_events)
|
|
}
|
|
Err(_) => {
|
|
resolved_map.insert(
|
|
pdu.event_id().clone(),
|
|
Err("Fetching state for event failed".into()),
|
|
);
|
|
continue;
|
|
}
|
|
};
|
|
|
|
// 10. This is the actual auth check for state at the event
|
|
if !state_res::event_auth::auth_check(
|
|
&RoomVersionId::Version6,
|
|
&pdu,
|
|
previous_create.clone(),
|
|
&state_at_event,
|
|
None, // TODO: third party invite
|
|
)
|
|
.map_err(|_e| Error::Conflict("Auth check failed"))?
|
|
{
|
|
// Event failed auth with state_at
|
|
resolved_map.insert(
|
|
event_id,
|
|
Err("Event has failed auth check with state at the event".into()),
|
|
);
|
|
continue;
|
|
}
|
|
debug!("Auth check succeeded.");
|
|
// End of step 10.
|
|
|
|
// 12. check if the event passes auth based on the "current state" of the room, if not "soft fail" it
|
|
let current_state = db
|
|
.rooms
|
|
.room_state_full(pdu.room_id())?
|
|
.into_iter()
|
|
.map(|(k, v)| ((k.0, Some(k.1)), Arc::new(v)))
|
|
.collect();
|
|
|
|
if !state_res::event_auth::auth_check(
|
|
&RoomVersionId::Version6,
|
|
&pdu,
|
|
previous_create,
|
|
¤t_state,
|
|
None,
|
|
)
|
|
.map_err(|_e| Error::Conflict("Auth check failed"))?
|
|
{
|
|
// Soft fail, we add the event as an outlier.
|
|
resolved_map.insert(
|
|
pdu.event_id().clone(),
|
|
Err("Event has been soft failed".into()),
|
|
);
|
|
continue;
|
|
};
|
|
debug!("Auth check with current state succeeded.");
|
|
|
|
// Step 11. Ensure that the state is derived from the previous current state (i.e. we calculated by doing state res
|
|
// where one of the inputs was a previously trusted set of state, don't just trust a set of state we got from a remote)
|
|
//
|
|
// calculate_forward_extremities takes care of adding the current state if not already in the state sets
|
|
// it also calculates the new pdu leaves for the `roomid_pduleaves` DB Tree.
|
|
let extremities = match calculate_forward_extremities(&db, &pdu).await {
|
|
Ok(fork_ids) => {
|
|
debug!("Calculated new forward extremities: {:?}", fork_ids);
|
|
fork_ids
|
|
}
|
|
Err(_) => {
|
|
resolved_map.insert(event_id, Err("Failed to gather forward extremities".into()));
|
|
continue;
|
|
}
|
|
};
|
|
|
|
// This will create the state after any state snapshot it builds
|
|
// So current_state will have the incoming event inserted to it
|
|
let mut fork_states = match build_forward_extremity_snapshots(
|
|
&db,
|
|
pdu.clone(),
|
|
server_name,
|
|
current_state,
|
|
&extremities,
|
|
&pub_key_map,
|
|
&mut auth_cache,
|
|
)
|
|
.await
|
|
{
|
|
Ok(states) => states,
|
|
Err(_) => {
|
|
resolved_map.insert(event_id, Err("Failed to gather forward extremities".into()));
|
|
continue;
|
|
}
|
|
};
|
|
|
|
// Make this the state after.
|
|
let mut state_after = state_at_event.clone();
|
|
state_after.insert((pdu.kind(), pdu.state_key()), pdu.clone());
|
|
// Add the incoming event to the mix of state snapshots
|
|
// Since we are using a BTreeSet (yea this may be overkill) we guarantee unique state sets
|
|
fork_states.insert(state_after.clone());
|
|
|
|
let fork_states = fork_states.into_iter().collect::<Vec<_>>();
|
|
|
|
let mut update_state = false;
|
|
// 13. start state-res with all previous forward extremities minus the ones that are in
|
|
// the prev_events of this event plus the new one created by this event and use
|
|
// the result as the new room state
|
|
let state_at_forks = if fork_states.is_empty() {
|
|
// State is empty
|
|
Default::default()
|
|
} else if fork_states.len() == 1 {
|
|
fork_states[0].clone()
|
|
} else {
|
|
// We do need to force an update to this rooms state
|
|
update_state = true;
|
|
|
|
let mut auth_events = vec![];
|
|
for map in &fork_states {
|
|
let mut state_auth = vec![];
|
|
for auth_id in map.values().flat_map(|pdu| &pdu.auth_events) {
|
|
match fetch_events(
|
|
&db,
|
|
server_name,
|
|
&mut pub_key_map,
|
|
&[auth_id.clone()],
|
|
&mut auth_cache,
|
|
)
|
|
.await
|
|
{
|
|
// This should always contain exactly one element when Ok
|
|
Ok(events) => state_auth.push(events[0].clone()),
|
|
Err(e) => {
|
|
debug!("Event was not present: {}", e);
|
|
}
|
|
}
|
|
}
|
|
auth_events.push(state_auth);
|
|
}
|
|
|
|
// Add everything we will need to event_map
|
|
auth_cache.extend(
|
|
auth_events
|
|
.iter()
|
|
.map(|pdus| pdus.iter().map(|pdu| (pdu.event_id().clone(), pdu.clone())))
|
|
.flatten(),
|
|
);
|
|
auth_cache.extend(
|
|
incoming_auth_events
|
|
.into_iter()
|
|
.map(|pdu| (pdu.event_id().clone(), pdu)),
|
|
);
|
|
auth_cache.extend(
|
|
state_after
|
|
.into_iter()
|
|
.map(|(_, pdu)| (pdu.event_id().clone(), pdu)),
|
|
);
|
|
|
|
debug!("auth events: {:?}", auth_cache);
|
|
|
|
let res = match state_res::StateResolution::resolve(
|
|
pdu.room_id(),
|
|
&RoomVersionId::Version6,
|
|
&fork_states
|
|
.into_iter()
|
|
.map(|map| {
|
|
map.into_iter()
|
|
.map(|(k, v)| (k, v.event_id.clone()))
|
|
.collect::<StateMap<_>>()
|
|
})
|
|
.collect::<Vec<_>>(),
|
|
auth_events
|
|
.into_iter()
|
|
.map(|pdus| pdus.into_iter().map(|pdu| pdu.event_id().clone()).collect())
|
|
.collect(),
|
|
&mut auth_cache,
|
|
) {
|
|
Ok(res) => res,
|
|
Err(_) => {
|
|
resolved_map.insert(
|
|
pdu.event_id().clone(),
|
|
Err("State resolution failed, either an event could not be found or deserialization".into()),
|
|
);
|
|
continue 'main_pdu_loop;
|
|
}
|
|
};
|
|
|
|
let mut resolved = BTreeMap::new();
|
|
for (k, id) in res {
|
|
// We should know of the event but just incase
|
|
let pdu = match auth_cache.get(&id) {
|
|
Some(pdu) => pdu.clone(),
|
|
None => {
|
|
error!("Event was not present in auth_cache {}", id);
|
|
resolved_map.insert(
|
|
event_id.clone(),
|
|
Err("Event was not present in auth cache".into()),
|
|
);
|
|
continue 'main_pdu_loop;
|
|
}
|
|
};
|
|
resolved.insert(k, pdu);
|
|
}
|
|
resolved
|
|
};
|
|
|
|
// 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, &pdu, &extremities, &state_at_event)?;
|
|
debug!("Appended incoming pdu.");
|
|
|
|
// Set the new room state to the resolved state
|
|
update_resolved_state(
|
|
&db,
|
|
pdu.room_id(),
|
|
if update_state {
|
|
Some(state_at_forks)
|
|
} else {
|
|
None
|
|
},
|
|
)?;
|
|
debug!("Updated resolved state");
|
|
|
|
// Event has passed all auth/stateres checks
|
|
}
|
|
|
|
if !resolved_map.is_empty() {
|
|
warn!("These PDU's failed {:?}", resolved_map);
|
|
}
|
|
|
|
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>>;
|
|
|
|
/// TODO: don't add as outlier if event is fetched as a result of gathering auth_events
|
|
/// Validate any event that is given to us by another server.
|
|
///
|
|
/// 1. Is a valid event, otherwise it is dropped (PduEvent deserialization satisfies this).
|
|
/// 2. check content hash, redact if doesn't match
|
|
/// 3. fetch any missing auth events doing all checks listed here starting at 1. These are not timeline events
|
|
/// 4. 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 the event doesn't pass auth based on the auth events
|
|
/// 7. if not timeline event: stop
|
|
/// 8. fetch any missing prev events doing all checks listed here starting at 1. These are timeline events
|
|
#[tracing::instrument(skip(db))]
|
|
fn validate_event<'a>(
|
|
db: &'a Database,
|
|
value: CanonicalJsonObject,
|
|
event_id: EventId,
|
|
pub_key_map: &'a mut PublicKeyMap,
|
|
origin: &'a ServerName,
|
|
auth_cache: &'a mut EventMap<Arc<PduEvent>>,
|
|
) -> AsyncRecursiveResult<'a, (Arc<PduEvent>, Option<Arc<PduEvent>>)> {
|
|
Box::pin(async move {
|
|
for signature_server in match value
|
|
.get("signatures")
|
|
.ok_or_else(|| "No signatures in server response pdu.".to_string())?
|
|
{
|
|
CanonicalJsonValue::Object(map) => map,
|
|
_ => return Err("Invalid signatures object in server response pdu.".to_string()),
|
|
}
|
|
.keys()
|
|
{
|
|
debug!("Fetching signing keys for {}", signature_server);
|
|
let keys = match fetch_signing_keys(
|
|
&db,
|
|
&Box::<ServerName>::try_from(&**signature_server).map_err(|_| {
|
|
"Invalid servername in signatures of server response pdu.".to_string()
|
|
})?,
|
|
)
|
|
.await
|
|
{
|
|
Ok(keys) => keys,
|
|
Err(_) => {
|
|
return Err(
|
|
"Signature verification failed: Could not fetch signing key.".to_string(),
|
|
);
|
|
}
|
|
};
|
|
|
|
pub_key_map.insert(signature_server.clone(), keys);
|
|
}
|
|
|
|
let mut val =
|
|
match ruma::signatures::verify_event(pub_key_map, &value, &RoomVersionId::Version5) {
|
|
Ok(ver) => {
|
|
if let ruma::signatures::Verified::Signatures = ver {
|
|
match ruma::signatures::redact(&value, &RoomVersionId::Version6) {
|
|
Ok(obj) => obj,
|
|
Err(_) => return Err("Redaction failed".to_string()),
|
|
}
|
|
} else {
|
|
value
|
|
}
|
|
}
|
|
Err(_e) => {
|
|
error!("{}", _e);
|
|
return Err("Signature verification failed".to_string());
|
|
}
|
|
};
|
|
|
|
// Now that we have checked the signature and hashes we can add the eventID and convert
|
|
// to our PduEvent type also finally verifying the first step listed above
|
|
val.insert(
|
|
"event_id".to_owned(),
|
|
to_canonical_value(&event_id).expect("EventId is a valid CanonicalJsonValue"),
|
|
);
|
|
let pdu = serde_json::from_value::<PduEvent>(
|
|
serde_json::to_value(val).expect("CanonicalJsonObj is a valid JsonValue"),
|
|
)
|
|
.map_err(|_| "Event is not a valid PDU".to_string())?;
|
|
|
|
debug!("Fetching auth events.");
|
|
fetch_check_auth_events(db, origin, pub_key_map, &pdu.auth_events, auth_cache)
|
|
.await
|
|
.map_err(|e| e.to_string())?;
|
|
|
|
let pdu = Arc::new(pdu.clone());
|
|
|
|
/*
|
|
// 8. fetch any missing prev events doing all checks listed here starting at 1. These are timeline events
|
|
debug!("Fetching prev events.");
|
|
let previous = fetch_events(&db, origin, pub_key_map, &pdu.prev_events, auth_cache)
|
|
.await
|
|
.map_err(|e| e.to_string())?;
|
|
*/
|
|
|
|
// if the previous event was the create event special rules apply
|
|
let previous_create = if pdu.auth_events.len() == 1 && pdu.prev_events == pdu.auth_events {
|
|
auth_cache.get(&pdu.auth_events[0]).cloned()
|
|
} else {
|
|
None
|
|
};
|
|
|
|
// Check that the event passes auth based on the auth_events
|
|
debug!("Checking auth.");
|
|
let is_authed = state_res::event_auth::auth_check(
|
|
&RoomVersionId::Version6,
|
|
&pdu,
|
|
previous_create.clone(),
|
|
&pdu.auth_events
|
|
.iter()
|
|
.map(|id| {
|
|
auth_cache
|
|
.get(id)
|
|
.map(|pdu| ((pdu.kind(), pdu.state_key()), pdu.clone()))
|
|
.ok_or_else(|| {
|
|
"Auth event not found, event failed recursive auth checks.".to_string()
|
|
})
|
|
})
|
|
.collect::<StdResult<BTreeMap<_, _>, _>>()?,
|
|
None, // TODO: third party invite
|
|
)
|
|
.map_err(|_e| "Auth check failed".to_string())?;
|
|
|
|
if !is_authed {
|
|
return Err("Event has failed auth check with auth events".to_string());
|
|
}
|
|
|
|
debug!("Validation successful.");
|
|
Ok((pdu, previous_create))
|
|
})
|
|
}
|
|
|
|
#[tracing::instrument(skip(db))]
|
|
async fn fetch_check_auth_events(
|
|
db: &Database,
|
|
origin: &ServerName,
|
|
key_map: &mut PublicKeyMap,
|
|
event_ids: &[EventId],
|
|
auth_cache: &mut EventMap<Arc<PduEvent>>,
|
|
) -> Result<()> {
|
|
fetch_events(db, origin, key_map, event_ids, auth_cache).await?;
|
|
Ok(())
|
|
}
|
|
|
|
/// Find the event and auth it. Once the event is validated (steps 1 - 8)
|
|
/// it is appended to the outliers Tree.
|
|
///
|
|
/// 0. Look in the auth_cache
|
|
/// 1. Look in the main timeline (pduid_pdu tree)
|
|
/// 2. Look at outlier pdu tree
|
|
/// 3. Ask origin server over federation
|
|
/// 4. TODO: Ask other servers over federation?
|
|
///
|
|
/// 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))]
|
|
pub(crate) async fn fetch_events(
|
|
db: &Database,
|
|
origin: &ServerName,
|
|
key_map: &mut PublicKeyMap,
|
|
events: &[EventId],
|
|
auth_cache: &mut EventMap<Arc<PduEvent>>,
|
|
) -> Result<Vec<Arc<PduEvent>>> {
|
|
let mut pdus = vec![];
|
|
for id in events {
|
|
let pdu = match auth_cache.get(id) {
|
|
Some(pdu) => {
|
|
debug!("Event found in cache");
|
|
pdu.clone()
|
|
}
|
|
// `get_pdu` checks the outliers tree for us
|
|
None => match db.rooms.get_pdu(&id)? {
|
|
Some(pdu) => {
|
|
debug!("Event found in outliers");
|
|
Arc::new(pdu)
|
|
}
|
|
None => {
|
|
debug!("Fetching event over federation");
|
|
match db
|
|
.sending
|
|
.send_federation_request(
|
|
&db.globals,
|
|
origin,
|
|
get_event::v1::Request { event_id: &id },
|
|
)
|
|
.await
|
|
{
|
|
Ok(res) => {
|
|
debug!("Got event over federation: {:?}", res);
|
|
let (event_id, value) =
|
|
crate::pdu::gen_event_id_canonical_json(&res.pdu);
|
|
let (pdu, _) =
|
|
validate_event(db, value, event_id, key_map, origin, auth_cache)
|
|
.await
|
|
.map_err(|e| {
|
|
error!("ERROR: {:?}", e);
|
|
Error::Conflict("Authentication of event failed")
|
|
})?;
|
|
|
|
debug!("Added fetched pdu as outlier.");
|
|
db.rooms.add_pdu_outlier(&pdu)?;
|
|
pdu
|
|
}
|
|
Err(_) => return Err(Error::BadServerResponse("Failed to fetch event")),
|
|
}
|
|
}
|
|
},
|
|
};
|
|
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
|
|
/// fetch them from the server and save to our DB.
|
|
#[tracing::instrument(skip(db))]
|
|
pub(crate) async fn fetch_signing_keys(
|
|
db: &Database,
|
|
origin: &ServerName,
|
|
) -> Result<BTreeMap<String, String>> {
|
|
let mut result = BTreeMap::new();
|
|
|
|
match db.globals.signing_keys_for(origin)? {
|
|
keys if !keys.is_empty() => Ok(keys
|
|
.into_iter()
|
|
.map(|(k, v)| (k.to_string(), v.key))
|
|
.collect()),
|
|
_ => {
|
|
match db
|
|
.sending
|
|
.send_federation_request(&db.globals, origin, get_server_keys::v2::Request::new())
|
|
.await
|
|
{
|
|
Ok(keys) => {
|
|
db.globals.add_signing_key(origin, &keys.server_key)?;
|
|
|
|
result.extend(
|
|
keys.server_key
|
|
.verify_keys
|
|
.into_iter()
|
|
.map(|(k, v)| (k.to_string(), v.key)),
|
|
);
|
|
result.extend(
|
|
keys.server_key
|
|
.old_verify_keys
|
|
.into_iter()
|
|
.map(|(k, v)| (k.to_string(), v.key)),
|
|
);
|
|
return Ok(result);
|
|
}
|
|
_ => {
|
|
for server in db.globals.trusted_servers() {
|
|
debug!("Asking {} for {}'s signing key", server, origin);
|
|
if let Ok(keys) = db
|
|
.sending
|
|
.send_federation_request(
|
|
&db.globals,
|
|
&server,
|
|
get_remote_server_keys::v2::Request::new(
|
|
origin,
|
|
SystemTime::now()
|
|
.checked_add(Duration::from_secs(3600))
|
|
.expect("SystemTime to large"),
|
|
),
|
|
)
|
|
.await
|
|
{
|
|
debug!("Got signing keys: {:?}", keys);
|
|
for k in keys.server_keys.into_iter() {
|
|
db.globals.add_signing_key(origin, &k)?;
|
|
result.extend(
|
|
k.verify_keys
|
|
.into_iter()
|
|
.map(|(k, v)| (k.to_string(), v.key)),
|
|
);
|
|
result.extend(
|
|
k.old_verify_keys
|
|
.into_iter()
|
|
.map(|(k, v)| (k.to_string(), v.key)),
|
|
);
|
|
}
|
|
return Ok(result);
|
|
}
|
|
}
|
|
Err(Error::BadServerResponse(
|
|
"Failed to find public key for server",
|
|
))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Gather all state snapshots needed to resolve the current state of the room.
|
|
///
|
|
/// Step 11. ensure that the state is derived from the previous current state (i.e. we calculated by doing state res
|
|
/// where one of the inputs was a previously trusted set of state, don't just trust a set of state we got from a remote).
|
|
///
|
|
/// The state snapshot of the incoming event __needs__ to be added to the resulting list.
|
|
#[tracing::instrument(skip(db))]
|
|
pub(crate) async fn calculate_forward_extremities(
|
|
db: &Database,
|
|
pdu: &PduEvent,
|
|
) -> Result<Vec<EventId>> {
|
|
let mut current_leaves = db.rooms.get_pdu_leaves(pdu.room_id())?;
|
|
|
|
let mut is_incoming_leaf = true;
|
|
// Make sure the incoming event is not already a forward extremity
|
|
// FIXME: I think this could happen if different servers send us the same event??
|
|
if current_leaves.contains(pdu.event_id()) {
|
|
error!("The incoming event is already present in get_pdu_leaves BUG");
|
|
is_incoming_leaf = false;
|
|
// Not sure what to do here
|
|
}
|
|
|
|
// If the incoming event is already referenced by an existing event
|
|
// then do nothing - it's not a candidate to be a new extremity if
|
|
// it has been referenced.
|
|
if db.rooms.is_pdu_referenced(pdu)? {
|
|
is_incoming_leaf = false;
|
|
}
|
|
|
|
// TODO:
|
|
// [dendrite] Checks if any other leaves have been referenced and removes them
|
|
// but as long as we update the pdu leaves here and for events on our server this
|
|
// should not be possible.
|
|
|
|
// Remove any forward extremities that are referenced by this incoming events prev_events
|
|
for incoming_leaf in &pdu.prev_events {
|
|
if current_leaves.contains(incoming_leaf) {
|
|
if let Some(pos) = current_leaves.iter().position(|x| *x == *incoming_leaf) {
|
|
current_leaves.remove(pos);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Add the incoming event only if it is a leaf, we do this after fetching all the
|
|
// state since we know we have already fetched the state of the incoming event so lets
|
|
// not do it again!
|
|
if is_incoming_leaf {
|
|
current_leaves.push(pdu.event_id().clone());
|
|
}
|
|
|
|
Ok(current_leaves)
|
|
}
|
|
|
|
/// This should always be called after the incoming event has been appended to the DB.
|
|
///
|
|
/// This guarantees that the incoming event will be in the state sets (at least our servers
|
|
/// and the sending server).
|
|
#[tracing::instrument(skip(db))]
|
|
pub(crate) async fn build_forward_extremity_snapshots(
|
|
db: &Database,
|
|
pdu: Arc<PduEvent>,
|
|
origin: &ServerName,
|
|
mut current_state: StateMap<Arc<PduEvent>>,
|
|
current_leaves: &[EventId],
|
|
pub_key_map: &PublicKeyMap,
|
|
auth_cache: &mut EventMap<Arc<PduEvent>>,
|
|
) -> Result<BTreeSet<StateMap<Arc<PduEvent>>>> {
|
|
let current_shortstatehash = db.rooms.current_shortstatehash(pdu.room_id())?;
|
|
|
|
let mut includes_current_state = false;
|
|
let mut fork_states = BTreeSet::new();
|
|
for id in current_leaves {
|
|
if id == &pdu.event_id {
|
|
continue;
|
|
}
|
|
match db.rooms.get_pdu(id)? {
|
|
// We can skip this because it is handled outside of this function
|
|
// The current server state and incoming event state are built to be
|
|
// the state after.
|
|
// This would be the incoming state from the server.
|
|
Some(leave_pdu) => {
|
|
let pdu_shortstatehash = db
|
|
.rooms
|
|
.pdu_shortstatehash(&leave_pdu.event_id)?
|
|
.ok_or_else(|| Error::bad_database("Found pdu with no statehash in db."))?;
|
|
|
|
if current_shortstatehash.as_ref() == Some(&pdu_shortstatehash) {
|
|
includes_current_state = true;
|
|
}
|
|
|
|
let mut state_before = db
|
|
.rooms
|
|
.state_full(pdu.room_id(), pdu_shortstatehash)?
|
|
.into_iter()
|
|
.map(|(k, v)| ((k.0, Some(k.1)), Arc::new(v)))
|
|
.collect::<StateMap<_>>();
|
|
|
|
// Now it's the state after
|
|
let key = (leave_pdu.kind.clone(), leave_pdu.state_key.clone());
|
|
state_before.insert(key, Arc::new(leave_pdu));
|
|
|
|
fork_states.insert(state_before);
|
|
}
|
|
_ => {
|
|
error!("Missing state snapshot for {:?}", id);
|
|
return Err(Error::bad_database("Missing state snapshot."));
|
|
}
|
|
}
|
|
}
|
|
|
|
// This guarantees that our current room state is included
|
|
if !includes_current_state {
|
|
current_state.insert((pdu.kind(), pdu.state_key()), pdu);
|
|
|
|
fork_states.insert(current_state);
|
|
}
|
|
|
|
Ok(fork_states)
|
|
}
|
|
|
|
#[tracing::instrument(skip(db))]
|
|
pub(crate) fn update_resolved_state(
|
|
db: &Database,
|
|
room_id: &RoomId,
|
|
state: Option<StateMap<Arc<PduEvent>>>,
|
|
) -> Result<()> {
|
|
// Update the state of the room if needed
|
|
// We can tell if we need to do this based on wether state resolution took place or not
|
|
if let Some(state) = state {
|
|
let mut new_state = HashMap::new();
|
|
for ((ev_type, state_k), pdu) in state {
|
|
new_state.insert(
|
|
(
|
|
ev_type,
|
|
state_k.ok_or_else(|| Error::Conflict("State contained non state event"))?,
|
|
),
|
|
pdu.event_id.clone(),
|
|
);
|
|
}
|
|
|
|
db.rooms.force_state(room_id, new_state, &db.globals)?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Append the incoming event setting the state snapshot to the state from the
|
|
/// server that sent the event.
|
|
#[tracing::instrument(skip(db))]
|
|
pub(crate) fn append_incoming_pdu(
|
|
db: &Database,
|
|
pdu: &PduEvent,
|
|
new_room_leaves: &[EventId],
|
|
state: &StateMap<Arc<PduEvent>>,
|
|
) -> Result<()> {
|
|
// Update the state of the room if needed
|
|
// We can tell if we need to do this based on wether state resolution took place or not
|
|
let mut new_state = HashMap::new();
|
|
for ((ev_type, state_k), state_pdu) in state {
|
|
new_state.insert(
|
|
(
|
|
ev_type.clone(),
|
|
state_k
|
|
.clone()
|
|
.ok_or_else(|| Error::Conflict("State contained non state event"))?,
|
|
),
|
|
state_pdu.event_id.clone(),
|
|
);
|
|
}
|
|
|
|
db.rooms
|
|
.force_state(pdu.room_id(), new_state, &db.globals)?;
|
|
|
|
let count = db.globals.next_count()?;
|
|
let mut pdu_id = pdu.room_id.as_bytes().to_vec();
|
|
pdu_id.push(0xff);
|
|
pdu_id.extend_from_slice(&count.to_be_bytes());
|
|
|
|
// We append to state before appending the pdu, so we don't have a moment in time with the
|
|
// pdu without it's state. This is okay because append_pdu can't fail.
|
|
let state_hash = db.rooms.append_to_state(&pdu, &db.globals)?;
|
|
|
|
db.rooms.append_pdu(
|
|
pdu,
|
|
utils::to_canonical_object(pdu).expect("Pdu is valid canonical object"),
|
|
count,
|
|
pdu_id.clone().into(),
|
|
&new_room_leaves,
|
|
&db,
|
|
)?;
|
|
|
|
db.rooms.set_room_state(pdu.room_id(), state_hash)?;
|
|
|
|
for appservice in db.appservice.iter_all().filter_map(|r| r.ok()) {
|
|
if let Some(namespaces) = appservice.1.get("namespaces") {
|
|
let users = namespaces
|
|
.get("users")
|
|
.and_then(|users| users.as_sequence())
|
|
.map_or_else(Vec::new, |users| {
|
|
users
|
|
.iter()
|
|
.map(|users| {
|
|
users
|
|
.get("regex")
|
|
.and_then(|regex| regex.as_str())
|
|
.and_then(|regex| Regex::new(regex).ok())
|
|
})
|
|
.filter_map(|o| o)
|
|
.collect::<Vec<_>>()
|
|
});
|
|
let aliases = namespaces
|
|
.get("aliases")
|
|
.and_then(|users| users.get("regex"))
|
|
.and_then(|regex| regex.as_str())
|
|
.and_then(|regex| Regex::new(regex).ok());
|
|
let rooms = namespaces
|
|
.get("rooms")
|
|
.and_then(|rooms| rooms.as_sequence());
|
|
|
|
let room_aliases = db.rooms.room_aliases(&pdu.room_id);
|
|
|
|
let bridge_user_id = appservice
|
|
.1
|
|
.get("sender_localpart")
|
|
.and_then(|string| string.as_str())
|
|
.and_then(|string| {
|
|
UserId::parse_with_server_name(string, db.globals.server_name()).ok()
|
|
});
|
|
|
|
#[allow(clippy::blocks_in_if_conditions)]
|
|
if bridge_user_id.map_or(false, |bridge_user_id| {
|
|
db.rooms
|
|
.is_joined(&bridge_user_id, &pdu.room_id)
|
|
.unwrap_or(false)
|
|
}) || users.iter().any(|users| {
|
|
users.is_match(pdu.sender.as_str())
|
|
|| pdu.kind == EventType::RoomMember
|
|
&& pdu
|
|
.state_key
|
|
.as_ref()
|
|
.map_or(false, |state_key| users.is_match(&state_key))
|
|
}) || aliases.map_or(false, |aliases| {
|
|
room_aliases
|
|
.filter_map(|r| r.ok())
|
|
.any(|room_alias| aliases.is_match(room_alias.as_str()))
|
|
}) || rooms.map_or(false, |rooms| rooms.contains(&pdu.room_id.as_str().into()))
|
|
|| db
|
|
.rooms
|
|
.room_members(&pdu.room_id)
|
|
.filter_map(|r| r.ok())
|
|
.any(|member| users.iter().any(|regex| regex.is_match(member.as_str())))
|
|
{
|
|
db.sending.send_pdu_appservice(&appservice.0, &pdu_id)?;
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[cfg_attr(
|
|
feature = "conduit_bin",
|
|
post("/_matrix/federation/v1/get_missing_events/<_>", data = "<body>")
|
|
)]
|
|
#[tracing::instrument(skip(db, body))]
|
|
pub fn get_missing_events_route<'a>(
|
|
db: State<'a, Database>,
|
|
body: Ruma<get_missing_events::v1::Request<'_>>,
|
|
) -> ConduitResult<get_missing_events::v1::Response> {
|
|
if !db.globals.allow_federation() {
|
|
return Err(Error::bad_config("Federation is disabled."));
|
|
}
|
|
|
|
let mut queued_events = body.latest_events.clone();
|
|
let mut events = Vec::new();
|
|
|
|
let mut i = 0;
|
|
while i < queued_events.len() && events.len() < u64::from(body.limit) as usize {
|
|
if let Some(pdu) = db.rooms.get_pdu_json(&queued_events[i])? {
|
|
if body.earliest_events.contains(
|
|
&serde_json::from_value(
|
|
pdu.get("event_id")
|
|
.cloned()
|
|
.ok_or_else(|| Error::bad_database("Event in db has no event_id field."))?,
|
|
)
|
|
.map_err(|_| Error::bad_database("Invalid event_id field in pdu in db."))?,
|
|
) {
|
|
i += 1;
|
|
continue;
|
|
}
|
|
queued_events.extend_from_slice(
|
|
&serde_json::from_value::<Vec<EventId>>(
|
|
pdu.get("prev_events").cloned().ok_or_else(|| {
|
|
Error::bad_database("Invalid prev_events field of pdu in db.")
|
|
})?,
|
|
)
|
|
.map_err(|_| Error::bad_database("Invalid prev_events content in pdu in db."))?,
|
|
);
|
|
events.push(PduEvent::convert_to_outgoing_federation_event(
|
|
serde_json::from_value(pdu)
|
|
.map_err(|_| Error::bad_database("Invalid pdu in database."))?,
|
|
));
|
|
}
|
|
i += 1;
|
|
}
|
|
|
|
Ok(get_missing_events::v1::Response { events }.into())
|
|
}
|
|
|
|
#[cfg_attr(
|
|
feature = "conduit_bin",
|
|
get("/_matrix/federation/v1/state_ids/<_>", data = "<body>")
|
|
)]
|
|
#[tracing::instrument(skip(db, body))]
|
|
pub fn get_room_state_ids_route<'a>(
|
|
db: State<'a, Database>,
|
|
body: Ruma<get_room_state_ids::v1::Request<'_>>,
|
|
) -> ConduitResult<get_room_state_ids::v1::Response> {
|
|
if !db.globals.allow_federation() {
|
|
return Err(Error::bad_config("Federation is disabled."));
|
|
}
|
|
|
|
let shortstatehash = db
|
|
.rooms
|
|
.pdu_shortstatehash(&body.event_id)?
|
|
.ok_or(Error::BadRequest(
|
|
ErrorKind::NotFound,
|
|
"Pdu state not found.",
|
|
))?;
|
|
|
|
let pdu_ids = db.rooms.state_full_ids(shortstatehash)?;
|
|
|
|
let mut auth_chain_ids = BTreeSet::<EventId>::new();
|
|
let mut todo = BTreeSet::new();
|
|
todo.insert(body.event_id.clone());
|
|
|
|
loop {
|
|
if 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);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
Ok(get_room_state_ids::v1::Response {
|
|
auth_chain_ids: auth_chain_ids.into_iter().collect(),
|
|
pdu_ids,
|
|
}
|
|
.into())
|
|
}
|
|
|
|
#[cfg_attr(
|
|
feature = "conduit_bin",
|
|
get("/_matrix/federation/v1/query/profile", data = "<body>")
|
|
)]
|
|
#[tracing::instrument(skip(db, body))]
|
|
pub fn get_profile_information_route<'a>(
|
|
db: State<'a, Database>,
|
|
body: Ruma<get_profile_information::v1::Request<'_>>,
|
|
) -> ConduitResult<get_profile_information::v1::Response> {
|
|
if !db.globals.allow_federation() {
|
|
return Err(Error::bad_config("Federation is disabled."));
|
|
}
|
|
|
|
let mut displayname = None;
|
|
let mut avatar_url = None;
|
|
|
|
match &body.field {
|
|
// TODO: what to do with custom
|
|
Some(ProfileField::_Custom(_s)) => {}
|
|
Some(ProfileField::DisplayName) => displayname = db.users.displayname(&body.user_id)?,
|
|
Some(ProfileField::AvatarUrl) => avatar_url = db.users.avatar_url(&body.user_id)?,
|
|
None => {
|
|
displayname = db.users.displayname(&body.user_id)?;
|
|
avatar_url = db.users.avatar_url(&body.user_id)?;
|
|
}
|
|
}
|
|
|
|
Ok(get_profile_information::v1::Response {
|
|
displayname,
|
|
avatar_url,
|
|
}
|
|
.into())
|
|
}
|
|
|
|
/*
|
|
#[cfg_attr(
|
|
feature = "conduit_bin",
|
|
get("/_matrix/federation/v2/invite/<_>/<_>", data = "<body>")
|
|
)]
|
|
pub fn get_user_devices_route<'a>(
|
|
db: State<'a, Database>,
|
|
body: Ruma<membership::v1::Request<'_>>,
|
|
) -> ConduitResult<get_profile_information::v1::Response> {
|
|
if !db.globals.allow_federation() {
|
|
return Err(Error::bad_config("Federation is disabled."));
|
|
}
|
|
|
|
let mut displayname = None;
|
|
let mut avatar_url = None;
|
|
|
|
match body.field {
|
|
Some(ProfileField::DisplayName) => displayname = db.users.displayname(&body.user_id)?,
|
|
Some(ProfileField::AvatarUrl) => avatar_url = db.users.avatar_url(&body.user_id)?,
|
|
None => {
|
|
displayname = db.users.displayname(&body.user_id)?;
|
|
avatar_url = db.users.avatar_url(&body.user_id)?;
|
|
}
|
|
}
|
|
|
|
Ok(get_profile_information::v1::Response {
|
|
displayname,
|
|
avatar_url,
|
|
}
|
|
.into())
|
|
}
|
|
*/
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::{add_port_to_hostname, get_ip_with_port};
|
|
|
|
#[test]
|
|
fn ips_get_default_ports() {
|
|
assert_eq!(
|
|
get_ip_with_port(String::from("1.1.1.1")),
|
|
Some(String::from("1.1.1.1:8448"))
|
|
);
|
|
assert_eq!(
|
|
get_ip_with_port(String::from("dead:beef::")),
|
|
Some(String::from("[dead:beef::]:8448"))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn ips_keep_custom_ports() {
|
|
assert_eq!(
|
|
get_ip_with_port(String::from("1.1.1.1:1234")),
|
|
Some(String::from("1.1.1.1:1234"))
|
|
);
|
|
assert_eq!(
|
|
get_ip_with_port(String::from("[dead::beef]:8933")),
|
|
Some(String::from("[dead::beef]:8933"))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn hostnames_get_default_ports() {
|
|
assert_eq!(
|
|
add_port_to_hostname(String::from("example.com")),
|
|
"example.com:8448"
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn hostnames_keep_custom_ports() {
|
|
assert_eq!(
|
|
add_port_to_hostname(String::from("example.com:1337")),
|
|
"example.com:1337"
|
|
)
|
|
}
|
|
}
|