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feat: partially support sync filters

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This commit is contained in:
Timo Kösters 2022-01-05 18:15:00 +01:00
parent 68e910bb77
commit 1bd9fd74b3
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GPG key ID: 356E705610F626D5
5 changed files with 133 additions and 61 deletions
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57
src/client_server/filter.rs
View file

@ -1,32 +1,47 @@
use crate::{utils, ConduitResult};
use ruma::api::client::r0::filter::{self, create_filter, get_filter};
use crate::{database::DatabaseGuard, ConduitResult, Error, Ruma};
use ruma::api::client::{
error::ErrorKind,
r0::filter::{create_filter, get_filter},
};
#[cfg(feature = "conduit_bin")]
use rocket::{get, post};
/// # `GET /_matrix/client/r0/user/{userId}/filter/{filterId}`
///
/// TODO: Loads a filter that was previously created.
#[cfg_attr(feature = "conduit_bin", get("/_matrix/client/r0/user/<_>/filter/<_>"))]
#[tracing::instrument]
pub async fn get_filter_route() -> ConduitResult<get_filter::Response> {
// TODO
Ok(get_filter::Response::new(filter::IncomingFilterDefinition {
event_fields: None,
event_format: filter::EventFormat::default(),
account_data: filter::IncomingFilter::default(),
room: filter::IncomingRoomFilter::default(),
presence: filter::IncomingFilter::default(),
})
.into())
/// Loads a filter that was previously created.
///
/// - A user can only access their own filters
#[cfg_attr(
feature = "conduit_bin",
get("/_matrix/client/r0/user/<_>/filter/<_>", data = "<body>")
)]
#[tracing::instrument(skip(db, body))]
pub async fn get_filter_route(
db: DatabaseGuard,
body: Ruma<get_filter::Request<'_>>,
) -> ConduitResult<get_filter::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
let filter = match db.users.get_filter(sender_user, &body.filter_id)? {
Some(filter) => filter,
None => return Err(Error::BadRequest(ErrorKind::NotFound, "Filter not found.")),
};
Ok(get_filter::Response::new(filter).into())
}
/// # `PUT /_matrix/client/r0/user/{userId}/filter`
///
/// TODO: Creates a new filter to be used by other endpoints.
#[cfg_attr(feature = "conduit_bin", post("/_matrix/client/r0/user/<_>/filter"))]
#[tracing::instrument]
pub async fn create_filter_route() -> ConduitResult<create_filter::Response> {
// TODO
Ok(create_filter::Response::new(utils::random_string(10)).into())
/// Creates a new filter to be used by other endpoints.
#[cfg_attr(
feature = "conduit_bin",
post("/_matrix/client/r0/user/<_>/filter", data = "<body>")
)]
#[tracing::instrument(skip(db, body))]
pub async fn create_filter_route(
db: DatabaseGuard,
body: Ruma<create_filter::Request<'_>>,
) -> ConduitResult<create_filter::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
Ok(create_filter::Response::new(db.users.create_filter(sender_user, &body.filter)?).into())
}

5
src/client_server/message.rs
View file

@ -138,6 +138,9 @@ pub async fn get_message_events_route(
let to = body.to.as_ref().map(|t| t.parse());
db.rooms
.lazy_load_confirm_delivery(&sender_user, &sender_device, &body.room_id, from)?;
// Use limit or else 10
let limit = body.limit.try_into().map_or(10_usize, |l: u32| l as usize);
@ -224,8 +227,6 @@ pub async fn get_message_events_route(
}
}
db.rooms
.lazy_load_confirm_delivery(&sender_user, &sender_device, &body.room_id, from)?;
resp.state = Vec::new();
for ll_id in &lazy_loaded {
if let Some(member_event) =

83
src/client_server/sync.rs
View file

@ -1,6 +1,10 @@
use crate::{database::DatabaseGuard, ConduitResult, Database, Error, Result, Ruma, RumaResponse};
use ruma::{
api::client::r0::{sync::sync_events, uiaa::UiaaResponse},
api::client::r0::{
filter::{IncomingFilterDefinition, LazyLoadOptions},
sync::sync_events,
uiaa::UiaaResponse,
},
events::{
room::member::{MembershipState, RoomMemberEventContent},
AnySyncEphemeralRoomEvent, EventType,
@ -77,34 +81,32 @@ pub async fn sync_events_route(
Entry::Vacant(v) => {
let (tx, rx) = tokio::sync::watch::channel(None);
v.insert((body.since.clone(), rx.clone()));
tokio::spawn(sync_helper_wrapper(
Arc::clone(&arc_db),
sender_user.clone(),
sender_device.clone(),
body.since.clone(),
body.full_state,
body.timeout,
body,
tx,
));
v.insert((body.since.clone(), rx)).1.clone()
rx
}
Entry::Occupied(mut o) => {
if o.get().0 != body.since {
let (tx, rx) = tokio::sync::watch::channel(None);
o.insert((body.since.clone(), rx.clone()));
tokio::spawn(sync_helper_wrapper(
Arc::clone(&arc_db),
sender_user.clone(),
sender_device.clone(),
body.since.clone(),
body.full_state,
body.timeout,
body,
tx,
));
o.insert((body.since.clone(), rx.clone()));
rx
} else {
o.get().1.clone()
@ -135,18 +137,16 @@ async fn sync_helper_wrapper(
db: Arc<DatabaseGuard>,
sender_user: Box<UserId>,
sender_device: Box<DeviceId>,
since: Option<String>,
full_state: bool,
timeout: Option<Duration>,
body: sync_events::IncomingRequest,
tx: Sender<Option<ConduitResult<sync_events::Response>>>,
) {
let since = body.since.clone();
let r = sync_helper(
Arc::clone(&db),
sender_user.clone(),
sender_device.clone(),
since.clone(),
full_state,
timeout,
body,
)
.await;
@ -179,9 +179,7 @@ async fn sync_helper(
db: Arc<DatabaseGuard>,
sender_user: Box<UserId>,
sender_device: Box<DeviceId>,
since: Option<String>,
full_state: bool,
timeout: Option<Duration>,
body: sync_events::IncomingRequest,
// bool = caching allowed
) -> Result<(sync_events::Response, bool), Error> {
// TODO: match body.set_presence {
@ -193,8 +191,26 @@ async fn sync_helper(
let next_batch = db.globals.current_count()?;
let next_batch_string = next_batch.to_string();
// Load filter
let filter = match body.filter {
None => IncomingFilterDefinition::default(),
Some(sync_events::IncomingFilter::FilterDefinition(filter)) => filter,
Some(sync_events::IncomingFilter::FilterId(filter_id)) => db
.users
.get_filter(&sender_user, &filter_id)?
.unwrap_or_default(),
};
let (lazy_load_enabled, lazy_load_send_redundant) = match filter.room.state.lazy_load_options {
LazyLoadOptions::Enabled {
include_redundant_members: redundant,
} => (true, redundant),
_ => (false, false),
};
let mut joined_rooms = BTreeMap::new();
let since = since
let since = body
.since
.clone()
.and_then(|string| string.parse().ok())
.unwrap_or(0);
@ -374,8 +390,10 @@ async fn sync_helper(
.expect("state events have state keys");
if pdu.kind != EventType::RoomMember {
state_events.push(pdu);
} else if full_state || timeline_users.contains(state_key) {
// TODO: check filter: is ll enabled?
} else if !lazy_load_enabled
|| body.full_state
|| timeline_users.contains(state_key)
{
lazy_loaded.push(
UserId::parse(state_key.as_ref())
.expect("they are in timeline_users, so they should be correct"),
@ -432,15 +450,6 @@ async fn sync_helper(
let since_state_ids = db.rooms.state_full_ids(since_shortstatehash)?;
/*
let state_events = if joined_since_last_sync || full_state {
current_state_ids
.iter()
.map(|(_, id)| db.rooms.get_pdu(id))
.filter_map(|r| r.ok().flatten())
.collect::<Vec<_>>()
} else {
*/
let mut state_events = Vec::new();
let mut lazy_loaded = Vec::new();
@ -459,7 +468,7 @@ async fn sync_helper(
.expect("state events have state keys");
if pdu.kind != EventType::RoomMember {
if full_state || since_state_ids.get(&key) != Some(&id) {
if body.full_state || since_state_ids.get(&key) != Some(&id) {
state_events.push(pdu);
}
continue;
@ -469,16 +478,16 @@ async fn sync_helper(
let state_key_userid = UserId::parse(state_key.as_ref())
.expect("they are in timeline_users, so they should be correct");
if full_state || since_state_ids.get(&key) != Some(&id) {
if body.full_state || since_state_ids.get(&key) != Some(&id) {
lazy_loaded.push(state_key_userid);
state_events.push(pdu);
} else if timeline_users.contains(state_key)
&& !db.rooms.lazy_load_was_sent_before(
&& (!db.rooms.lazy_load_was_sent_before(
&sender_user,
&sender_device,
&room_id,
&state_key_userid,
)?
)? || lazy_load_send_redundant)
{
lazy_loaded.push(state_key_userid);
state_events.push(pdu);
@ -858,7 +867,7 @@ async fn sync_helper(
};
// TODO: Retry the endpoint instead of returning (waiting for #118)
if !full_state
if !body.full_state
&& response.rooms.is_empty()
&& response.presence.is_empty()
&& response.account_data.is_empty()
@ -867,7 +876,7 @@ async fn sync_helper(
{
// Hang a few seconds so requests are not spammed
// Stop hanging if new info arrives
let mut duration = timeout.unwrap_or_default();
let mut duration = body.timeout.unwrap_or_default();
if duration.as_secs() > 30 {
duration = Duration::from_secs(30);
}

1
src/database.rs
View file

@ -249,6 +249,7 @@ impl Database {
userid_masterkeyid: builder.open_tree("userid_masterkeyid")?,
userid_selfsigningkeyid: builder.open_tree("userid_selfsigningkeyid")?,
userid_usersigningkeyid: builder.open_tree("userid_usersigningkeyid")?,
userfilterid_filter: builder.open_tree("userfilterid_filter")?,
todeviceid_events: builder.open_tree("todeviceid_events")?,
},
uiaa: uiaa::Uiaa {

48
src/database/users.rs
View file

@ -1,6 +1,9 @@
use crate::{utils, Error, Result};
use ruma::{
api::client::{error::ErrorKind, r0::device::Device},
api::client::{
error::ErrorKind,
r0::{device::Device, filter::IncomingFilterDefinition},
},
encryption::{CrossSigningKey, DeviceKeys, OneTimeKey},
events::{AnyToDeviceEvent, EventType},
identifiers::MxcUri,
@ -36,6 +39,8 @@ pub struct Users {
pub(super) userid_selfsigningkeyid: Arc<dyn Tree>,
pub(super) userid_usersigningkeyid: Arc<dyn Tree>,
pub(super) userfilterid_filter: Arc<dyn Tree>, // UserFilterId = UserId + FilterId
pub(super) todeviceid_events: Arc<dyn Tree>, // ToDeviceId = UserId + DeviceId + Count
}
@ -996,6 +1001,47 @@ impl Users {
// TODO: Unhook 3PID
Ok(())
}
/// Creates a new sync filter. Returns the filter id.
#[tracing::instrument(skip(self))]
pub fn create_filter(
&self,
user_id: &UserId,
filter: &IncomingFilterDefinition,
) -> Result<String> {
let filter_id = utils::random_string(4);
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(filter_id.as_bytes());
self.userfilterid_filter.insert(
&key,
&serde_json::to_vec(&filter).expect("filter is valid json"),
)?;
Ok(filter_id)
}
#[tracing::instrument(skip(self))]
pub fn get_filter(
&self,
user_id: &UserId,
filter_id: &str,
) -> Result<Option<IncomingFilterDefinition>> {
let mut key = user_id.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(filter_id.as_bytes());
let raw = self.userfilterid_filter.get(&key)?;
if let Some(raw) = raw {
serde_json::from_slice(&raw)
.map_err(|_| Error::bad_database("Invalid filter event in db."))
} else {
Ok(None)
}
}
}
/// Ensure that a user only sees signatures from themselves and the target user