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https://github.com/1f349/dendrite.git
synced 2024-11-09 22:42:58 +00:00
Don't limit "state"
(#2849)
This is apparently some incorrect behaviour that we built as a result of a spec bug (matrix-org/matrix-spec#1314) where we were applying a filter to the `"state"` section of the `/sync` response incorrectly. The client then has no way to know that the state was limited. This PR removes the state limiting, which probably also helps #2842.
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8a1904ffe5
commit
3db9e98456
@ -93,7 +93,6 @@ func Context(
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}
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stateFilter := gomatrixserverlib.StateFilter{
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Limit: 100,
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NotSenders: filter.NotSenders,
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NotTypes: filter.NotTypes,
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Senders: filter.Senders,
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@ -294,7 +294,7 @@ type SearchRequest struct {
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BeforeLimit int `json:"before_limit,omitempty"`
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IncludeProfile bool `json:"include_profile,omitempty"`
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} `json:"event_context"`
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Filter gomatrixserverlib.StateFilter `json:"filter"`
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Filter gomatrixserverlib.RoomEventFilter `json:"filter"`
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Groupings struct {
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GroupBy []struct {
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Key string `json:"key"`
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@ -91,8 +91,7 @@ const selectCurrentStateSQL = "" +
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" AND ( $4::text[] IS NULL OR type LIKE ANY($4) )" +
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" AND ( $5::text[] IS NULL OR NOT(type LIKE ANY($5)) )" +
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" AND ( $6::bool IS NULL OR contains_url = $6 )" +
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" AND (event_id = ANY($7)) IS NOT TRUE" +
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" LIMIT $8"
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" AND (event_id = ANY($7)) IS NOT TRUE"
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const selectJoinedUsersSQL = "" +
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"SELECT room_id, state_key FROM syncapi_current_room_state WHERE type = 'm.room.member' AND membership = 'join'"
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@ -290,7 +289,6 @@ func (s *currentRoomStateStatements) SelectCurrentState(
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pq.StringArray(filterConvertTypeWildcardToSQL(stateFilter.NotTypes)),
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stateFilter.ContainsURL,
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pq.StringArray(excludeEventIDs),
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stateFilter.Limit,
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)
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if err != nil {
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return nil, err
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@ -144,8 +144,7 @@ const selectStateInRangeFilteredSQL = "" +
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" AND ( $6::text[] IS NULL OR type LIKE ANY($6) )" +
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" AND ( $7::text[] IS NULL OR NOT(type LIKE ANY($7)) )" +
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" AND ( $8::bool IS NULL OR contains_url = $8 )" +
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" ORDER BY id ASC" +
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" LIMIT $9"
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" ORDER BY id ASC"
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// In order for us to apply the state updates correctly, rows need to be ordered in the order they were received (id).
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const selectStateInRangeSQL = "" +
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@ -153,8 +152,7 @@ const selectStateInRangeSQL = "" +
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" FROM syncapi_output_room_events" +
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" WHERE (id > $1 AND id <= $2) AND (add_state_ids IS NOT NULL OR remove_state_ids IS NOT NULL)" +
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" AND room_id = ANY($3)" +
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" ORDER BY id ASC" +
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" LIMIT $4"
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" ORDER BY id ASC"
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const deleteEventsForRoomSQL = "" +
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"DELETE FROM syncapi_output_room_events WHERE room_id = $1"
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@ -264,13 +262,11 @@ func (s *outputRoomEventsStatements) SelectStateInRange(
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pq.StringArray(filterConvertTypeWildcardToSQL(stateFilter.Types)),
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pq.StringArray(filterConvertTypeWildcardToSQL(stateFilter.NotTypes)),
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stateFilter.ContainsURL,
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stateFilter.Limit,
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)
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} else {
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stmt := sqlutil.TxStmt(txn, s.selectStateInRangeStmt)
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rows, err = stmt.QueryContext(
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ctx, r.Low(), r.High(), pq.StringArray(roomIDs),
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r.High()-r.Low(),
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)
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}
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@ -277,7 +277,8 @@ func (s *currentRoomStateStatements) SelectCurrentState(
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},
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stateFilter.Senders, stateFilter.NotSenders,
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stateFilter.Types, stateFilter.NotTypes,
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excludeEventIDs, stateFilter.ContainsURL, stateFilter.Limit, FilterOrderNone,
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excludeEventIDs, stateFilter.ContainsURL, 0,
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FilterOrderNone,
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)
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if err != nil {
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return nil, fmt.Errorf("s.prepareWithFilters: %w", err)
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@ -84,8 +84,10 @@ func prepareWithFilters(
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case FilterOrderDesc:
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query += " ORDER BY id DESC"
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}
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query += fmt.Sprintf(" LIMIT $%d", offset+1)
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params = append(params, limit)
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if limit > 0 {
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query += fmt.Sprintf(" LIMIT $%d", offset+1)
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params = append(params, limit)
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}
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var stmt *sql.Stmt
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var err error
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@ -200,7 +200,7 @@ func (s *outputRoomEventsStatements) SelectStateInRange(
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s.db, txn, stmtSQL, inputParams,
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stateFilter.Senders, stateFilter.NotSenders,
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stateFilter.Types, stateFilter.NotTypes,
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nil, stateFilter.ContainsURL, stateFilter.Limit, FilterOrderAsc,
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nil, stateFilter.ContainsURL, 0, FilterOrderAsc,
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)
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} else {
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stmt, params, err = prepareWithFilters(
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@ -301,7 +301,7 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
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}
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// Applies the history visibility rules
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events, err := applyHistoryVisibilityFilter(ctx, snapshot, p.rsAPI, delta.RoomID, device.UserID, eventFilter.Limit, recentEvents)
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events, err := applyHistoryVisibilityFilter(ctx, snapshot, p.rsAPI, delta.RoomID, device.UserID, recentEvents)
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if err != nil {
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logrus.WithError(err).Error("unable to apply history visibility filter")
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}
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@ -378,12 +378,12 @@ func applyHistoryVisibilityFilter(
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snapshot storage.DatabaseTransaction,
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rsAPI roomserverAPI.SyncRoomserverAPI,
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roomID, userID string,
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limit int,
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recentEvents []*gomatrixserverlib.HeaderedEvent,
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) ([]*gomatrixserverlib.HeaderedEvent, error) {
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// We need to make sure we always include the latest states events, if they are in the timeline.
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// We grep at least limit * 2 events, to ensure we really get the needed events.
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stateEvents, err := snapshot.CurrentState(ctx, roomID, &gomatrixserverlib.StateFilter{Limit: limit * 2}, nil)
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filter := gomatrixserverlib.DefaultStateFilter()
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stateEvents, err := snapshot.CurrentState(ctx, roomID, &filter, nil)
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if err != nil {
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// Not a fatal error, we can continue without the stateEvents,
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// they are only needed if there are state events in the timeline.
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@ -521,7 +521,7 @@ func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
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events := recentEvents
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// Only apply history visibility checks if the response is for joined rooms
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if !isPeek {
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events, err = applyHistoryVisibilityFilter(ctx, snapshot, p.rsAPI, roomID, device.UserID, eventFilter.Limit, recentEvents)
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events, err = applyHistoryVisibilityFilter(ctx, snapshot, p.rsAPI, roomID, device.UserID, recentEvents)
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if err != nil {
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logrus.WithError(err).Error("unable to apply history visibility filter")
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}
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@ -601,7 +601,6 @@ func (p *PDUStreamProvider) lazyLoadMembers(
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}
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// Query missing membership events
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filter := gomatrixserverlib.DefaultStateFilter()
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filter.Limit = stateFilter.Limit
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filter.Senders = &wantUsers
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filter.Types = &[]string{gomatrixserverlib.MRoomMember}
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memberships, err := snapshot.GetStateEventsForRoom(ctx, roomID, &filter)
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@ -79,7 +79,6 @@ func newSyncRequest(req *http.Request, device userapi.Device, syncDB storage.Dat
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// for the rest of the data to trickle down.
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filter.AccountData.Limit = math.MaxInt32
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filter.Room.AccountData.Limit = math.MaxInt32
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filter.Room.State.Limit = math.MaxInt32
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}
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logger := util.GetLogger(req.Context()).WithFields(logrus.Fields{
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