Make /messages filterable (#2347)

* Make /messages filterable
Fix bug when determining if an event contains an URL

* Add newly passing test

* Fix test
This commit is contained in:
Till 2022-04-13 13:16:02 +02:00 committed by GitHub
parent ea92f80c12
commit 29f2168789
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 98 additions and 37 deletions

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@ -262,12 +262,8 @@ func (r *messagesReq) retrieveEvents() (
clientEvents []gomatrixserverlib.ClientEvent, start,
end types.TopologyToken, err error,
) {
eventFilter := r.filter
// Retrieve the events from the local database.
streamEvents, err := r.db.GetEventsInTopologicalRange(
r.ctx, r.from, r.to, r.roomID, eventFilter.Limit, r.backwardOrdering,
)
streamEvents, err := r.db.GetEventsInTopologicalRange(r.ctx, r.from, r.to, r.roomID, r.filter, r.backwardOrdering)
if err != nil {
err = fmt.Errorf("GetEventsInRange: %w", err)
return

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@ -105,7 +105,7 @@ type Database interface {
// Returns an error if there was a problem communicating with the database.
DeletePeeks(ctx context.Context, RoomID, UserID string) (types.StreamPosition, error)
// GetEventsInTopologicalRange retrieves all of the events on a given ordering using the given extremities and limit. If backwardsOrdering is true, the most recent event must be first, else last.
GetEventsInTopologicalRange(ctx context.Context, from, to *types.TopologyToken, roomID string, limit int, backwardOrdering bool) (events []types.StreamEvent, err error)
GetEventsInTopologicalRange(ctx context.Context, from, to *types.TopologyToken, roomID string, filter *gomatrixserverlib.RoomEventFilter, backwardOrdering bool) (events []types.StreamEvent, err error)
// EventPositionInTopology returns the depth and stream position of the given event.
EventPositionInTopology(ctx context.Context, eventID string) (types.TopologyToken, error)
// BackwardExtremitiesForRoom returns a map of backwards extremity event ID to a list of its prev_events.

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@ -81,6 +81,15 @@ const insertEventSQL = "" +
const selectEventsSQL = "" +
"SELECT event_id, id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events WHERE event_id = ANY($1)"
const selectEventsWithFilterSQL = "" +
"SELECT event_id, id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events WHERE event_id = ANY($1)" +
" AND ( $2::text[] IS NULL OR sender = ANY($2) )" +
" AND ( $3::text[] IS NULL OR NOT(sender = ANY($3)) )" +
" AND ( $4::text[] IS NULL OR type LIKE ANY($4) )" +
" AND ( $5::text[] IS NULL OR NOT(type LIKE ANY($5)) )" +
" AND ( $6::bool IS NULL OR contains_url = $6 )" +
" LIMIT $7"
const selectRecentEventsSQL = "" +
"SELECT event_id, id, headered_event_json, session_id, exclude_from_sync, transaction_id FROM syncapi_output_room_events" +
" WHERE room_id = $1 AND id > $2 AND id <= $3" +
@ -153,6 +162,7 @@ const selectContextAfterEventSQL = "" +
type outputRoomEventsStatements struct {
insertEventStmt *sql.Stmt
selectEventsStmt *sql.Stmt
selectEventsWitFilterStmt *sql.Stmt
selectMaxEventIDStmt *sql.Stmt
selectRecentEventsStmt *sql.Stmt
selectRecentEventsForSyncStmt *sql.Stmt
@ -174,6 +184,7 @@ func NewPostgresEventsTable(db *sql.DB) (tables.Events, error) {
return s, sqlutil.StatementList{
{&s.insertEventStmt, insertEventSQL},
{&s.selectEventsStmt, selectEventsSQL},
{&s.selectEventsWitFilterStmt, selectEventsWithFilterSQL},
{&s.selectMaxEventIDStmt, selectMaxEventIDSQL},
{&s.selectRecentEventsStmt, selectRecentEventsSQL},
{&s.selectRecentEventsForSyncStmt, selectRecentEventsForSyncSQL},
@ -310,7 +321,7 @@ func (s *outputRoomEventsStatements) InsertEvent(
// Parse content as JSON and search for an "url" key
containsURL := false
var content map[string]interface{}
if json.Unmarshal(event.Content(), &content) != nil {
if json.Unmarshal(event.Content(), &content) == nil {
// Set containsURL to true if url is present
_, containsURL = content["url"]
}
@ -429,10 +440,29 @@ func (s *outputRoomEventsStatements) SelectEarlyEvents(
// selectEvents returns the events for the given event IDs. If an event is
// missing from the database, it will be omitted.
func (s *outputRoomEventsStatements) SelectEvents(
ctx context.Context, txn *sql.Tx, eventIDs []string, preserveOrder bool,
ctx context.Context, txn *sql.Tx, eventIDs []string, filter *gomatrixserverlib.RoomEventFilter, preserveOrder bool,
) ([]types.StreamEvent, error) {
stmt := sqlutil.TxStmt(txn, s.selectEventsStmt)
rows, err := stmt.QueryContext(ctx, pq.StringArray(eventIDs))
var (
stmt *sql.Stmt
rows *sql.Rows
err error
)
if filter == nil {
stmt = sqlutil.TxStmt(txn, s.selectEventsStmt)
rows, err = stmt.QueryContext(ctx, pq.StringArray(eventIDs))
} else {
senders, notSenders := getSendersRoomEventFilter(filter)
stmt = sqlutil.TxStmt(txn, s.selectEventsWitFilterStmt)
rows, err = stmt.QueryContext(ctx,
pq.StringArray(eventIDs),
pq.StringArray(senders),
pq.StringArray(notSenders),
pq.StringArray(filterConvertTypeWildcardToSQL(filter.Types)),
pq.StringArray(filterConvertTypeWildcardToSQL(filter.NotTypes)),
filter.ContainsURL,
filter.Limit,
)
}
if err != nil {
return nil, err
}

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@ -150,7 +150,7 @@ func (d *Database) RoomReceiptsAfter(ctx context.Context, roomIDs []string, stre
// Returns an error if there was a problem talking with the database.
// Does not include any transaction IDs in the returned events.
func (d *Database) Events(ctx context.Context, eventIDs []string) ([]*gomatrixserverlib.HeaderedEvent, error) {
streamEvents, err := d.OutputEvents.SelectEvents(ctx, nil, eventIDs, false)
streamEvents, err := d.OutputEvents.SelectEvents(ctx, nil, eventIDs, nil, false)
if err != nil {
return nil, err
}
@ -312,7 +312,7 @@ func (d *Database) handleBackwardExtremities(ctx context.Context, txn *sql.Tx, e
// Check if we have all of the event's previous events. If an event is
// missing, add it to the room's backward extremities.
prevEvents, err := d.OutputEvents.SelectEvents(ctx, txn, ev.PrevEventIDs(), false)
prevEvents, err := d.OutputEvents.SelectEvents(ctx, txn, ev.PrevEventIDs(), nil, false)
if err != nil {
return err
}
@ -429,7 +429,8 @@ func (d *Database) updateRoomState(
func (d *Database) GetEventsInTopologicalRange(
ctx context.Context,
from, to *types.TopologyToken,
roomID string, limit int,
roomID string,
filter *gomatrixserverlib.RoomEventFilter,
backwardOrdering bool,
) (events []types.StreamEvent, err error) {
var minDepth, maxDepth, maxStreamPosForMaxDepth types.StreamPosition
@ -450,14 +451,14 @@ func (d *Database) GetEventsInTopologicalRange(
// Select the event IDs from the defined range.
var eIDs []string
eIDs, err = d.Topology.SelectEventIDsInRange(
ctx, nil, roomID, minDepth, maxDepth, maxStreamPosForMaxDepth, limit, !backwardOrdering,
ctx, nil, roomID, minDepth, maxDepth, maxStreamPosForMaxDepth, filter.Limit, !backwardOrdering,
)
if err != nil {
return
}
// Retrieve the events' contents using their IDs.
events, err = d.OutputEvents.SelectEvents(ctx, nil, eIDs, true)
events, err = d.OutputEvents.SelectEvents(ctx, nil, eIDs, filter, true)
return
}
@ -619,7 +620,7 @@ func (d *Database) fetchMissingStateEvents(
) ([]types.StreamEvent, error) {
// Fetch from the events table first so we pick up the stream ID for the
// event.
events, err := d.OutputEvents.SelectEvents(ctx, txn, eventIDs, false)
events, err := d.OutputEvents.SelectEvents(ctx, txn, eventIDs, nil, false)
if err != nil {
return nil, err
}

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@ -104,8 +104,7 @@ func (s *accountDataStatements) SelectAccountDataInRange(
},
filter.Senders, filter.NotSenders,
filter.Types, filter.NotTypes,
[]string{}, filter.Limit, FilterOrderAsc,
)
[]string{}, nil, filter.Limit, FilterOrderAsc)
rows, err := stmt.QueryContext(ctx, params...)
if err != nil {

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@ -220,7 +220,7 @@ func (s *currentRoomStateStatements) SelectCurrentState(
},
stateFilter.Senders, stateFilter.NotSenders,
stateFilter.Types, stateFilter.NotTypes,
excludeEventIDs, stateFilter.Limit, FilterOrderNone,
excludeEventIDs, stateFilter.ContainsURL, stateFilter.Limit, FilterOrderNone,
)
if err != nil {
return nil, fmt.Errorf("s.prepareWithFilters: %w", err)

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@ -26,7 +26,7 @@ const (
func prepareWithFilters(
db *sql.DB, txn *sql.Tx, query string, params []interface{},
senders, notsenders, types, nottypes *[]string, excludeEventIDs []string,
limit int, order FilterOrder,
containsURL *bool, limit int, order FilterOrder,
) (*sql.Stmt, []interface{}, error) {
offset := len(params)
if senders != nil {
@ -69,6 +69,9 @@ func prepareWithFilters(
query += ` AND type NOT = ""`
}
}
if containsURL != nil {
query += fmt.Sprintf(" AND contains_url = %v", *containsURL)
}
if count := len(excludeEventIDs); count > 0 {
query += " AND event_id NOT IN " + sqlutil.QueryVariadicOffset(count, offset)
for _, v := range excludeEventIDs {

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@ -168,7 +168,7 @@ func (s *outputRoomEventsStatements) SelectStateInRange(
s.db, txn, stmtSQL, inputParams,
stateFilter.Senders, stateFilter.NotSenders,
stateFilter.Types, stateFilter.NotTypes,
nil, stateFilter.Limit, FilterOrderAsc,
nil, stateFilter.ContainsURL, stateFilter.Limit, FilterOrderAsc,
)
if err != nil {
return nil, nil, fmt.Errorf("s.prepareWithFilters: %w", err)
@ -277,7 +277,7 @@ func (s *outputRoomEventsStatements) InsertEvent(
// Parse content as JSON and search for an "url" key
containsURL := false
var content map[string]interface{}
if json.Unmarshal(event.Content(), &content) != nil {
if json.Unmarshal(event.Content(), &content) == nil {
// Set containsURL to true if url is present
_, containsURL = content["url"]
}
@ -345,7 +345,7 @@ func (s *outputRoomEventsStatements) SelectRecentEvents(
},
eventFilter.Senders, eventFilter.NotSenders,
eventFilter.Types, eventFilter.NotTypes,
nil, eventFilter.Limit+1, FilterOrderDesc,
nil, eventFilter.ContainsURL, eventFilter.Limit+1, FilterOrderDesc,
)
if err != nil {
return nil, false, fmt.Errorf("s.prepareWithFilters: %w", err)
@ -393,7 +393,7 @@ func (s *outputRoomEventsStatements) SelectEarlyEvents(
},
eventFilter.Senders, eventFilter.NotSenders,
eventFilter.Types, eventFilter.NotTypes,
nil, eventFilter.Limit, FilterOrderAsc,
nil, eventFilter.ContainsURL, eventFilter.Limit, FilterOrderAsc,
)
if err != nil {
return nil, fmt.Errorf("s.prepareWithFilters: %w", err)
@ -419,20 +419,27 @@ func (s *outputRoomEventsStatements) SelectEarlyEvents(
// selectEvents returns the events for the given event IDs. If an event is
// missing from the database, it will be omitted.
func (s *outputRoomEventsStatements) SelectEvents(
ctx context.Context, txn *sql.Tx, eventIDs []string, preserveOrder bool,
ctx context.Context, txn *sql.Tx, eventIDs []string, filter *gomatrixserverlib.RoomEventFilter, preserveOrder bool,
) ([]types.StreamEvent, error) {
iEventIDs := make([]interface{}, len(eventIDs))
for i := range eventIDs {
iEventIDs[i] = eventIDs[i]
}
selectSQL := strings.Replace(selectEventsSQL, "($1)", sqlutil.QueryVariadic(len(eventIDs)), 1)
var rows *sql.Rows
var err error
if txn != nil {
rows, err = txn.QueryContext(ctx, selectSQL, iEventIDs...)
} else {
rows, err = s.db.QueryContext(ctx, selectSQL, iEventIDs...)
if filter == nil {
filter = &gomatrixserverlib.RoomEventFilter{Limit: 20}
}
stmt, params, err := prepareWithFilters(
s.db, txn, selectSQL, iEventIDs,
filter.Senders, filter.NotSenders,
filter.Types, filter.NotTypes,
nil, filter.ContainsURL, filter.Limit, FilterOrderAsc,
)
if err != nil {
return nil, err
}
rows, err := stmt.QueryContext(ctx, params...)
if err != nil {
return nil, err
}
@ -527,7 +534,7 @@ func (s *outputRoomEventsStatements) SelectContextBeforeEvent(
},
filter.Senders, filter.NotSenders,
filter.Types, filter.NotTypes,
nil, filter.Limit, FilterOrderDesc,
nil, filter.ContainsURL, filter.Limit, FilterOrderDesc,
)
rows, err := stmt.QueryContext(ctx, params...)
@ -563,7 +570,7 @@ func (s *outputRoomEventsStatements) SelectContextAfterEvent(
},
filter.Senders, filter.NotSenders,
filter.Types, filter.NotTypes,
nil, filter.Limit, FilterOrderAsc,
nil, filter.ContainsURL, filter.Limit, FilterOrderAsc,
)
rows, err := stmt.QueryContext(ctx, params...)

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@ -180,7 +180,8 @@ func TestGetEventsInRangeWithTopologyToken(t *testing.T) {
to := types.TopologyToken{}
// backpaginate 5 messages starting at the latest position.
paginatedEvents, err := db.GetEventsInTopologicalRange(ctx, &from, &to, r.ID, 5, true)
filter := &gomatrixserverlib.RoomEventFilter{Limit: 5}
paginatedEvents, err := db.GetEventsInTopologicalRange(ctx, &from, &to, r.ID, filter, true)
if err != nil {
t.Fatalf("GetEventsInTopologicalRange returned an error: %s", err)
}

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@ -59,7 +59,7 @@ type Events interface {
SelectRecentEvents(ctx context.Context, txn *sql.Tx, roomID string, r types.Range, eventFilter *gomatrixserverlib.RoomEventFilter, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error)
// SelectEarlyEvents returns the earliest events in the given room.
SelectEarlyEvents(ctx context.Context, txn *sql.Tx, roomID string, r types.Range, eventFilter *gomatrixserverlib.RoomEventFilter) ([]types.StreamEvent, error)
SelectEvents(ctx context.Context, txn *sql.Tx, eventIDs []string, preserveOrder bool) ([]types.StreamEvent, error)
SelectEvents(ctx context.Context, txn *sql.Tx, eventIDs []string, filter *gomatrixserverlib.RoomEventFilter, preserveOrder bool) ([]types.StreamEvent, error)
UpdateEventJSON(ctx context.Context, event *gomatrixserverlib.HeaderedEvent) error
// DeleteEventsForRoom removes all event information for a room. This should only be done when removing the room entirely.
DeleteEventsForRoom(ctx context.Context, txn *sql.Tx, roomID string) (err error)

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@ -13,6 +13,7 @@ import (
"github.com/matrix-org/dendrite/syncapi/storage/sqlite3"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/test"
"github.com/matrix-org/gomatrixserverlib"
)
func newOutputRoomEventsTable(t *testing.T, dbType test.DBType) (tables.Events, *sql.DB, func()) {
@ -61,7 +62,7 @@ func TestOutputRoomEventsTable(t *testing.T) {
wantEventIDs := []string{
events[2].EventID(), events[0].EventID(), events[3].EventID(), events[1].EventID(),
}
gotEvents, err := tab.SelectEvents(ctx, txn, wantEventIDs, true)
gotEvents, err := tab.SelectEvents(ctx, txn, wantEventIDs, nil, true)
if err != nil {
return fmt.Errorf("failed to SelectEvents: %s", err)
}
@ -73,6 +74,28 @@ func TestOutputRoomEventsTable(t *testing.T) {
return fmt.Errorf("SelectEvents\ngot %v\n want %v", gotEventIDs, wantEventIDs)
}
// Test that contains_url is correctly populated
urlEv := room.CreateEvent(t, alice, "m.text", map[string]interface{}{
"body": "test.txt",
"url": "mxc://test.txt",
})
if _, err = tab.InsertEvent(ctx, txn, urlEv, nil, nil, nil, false); err != nil {
return fmt.Errorf("failed to InsertEvent: %s", err)
}
wantEventID := []string{urlEv.EventID()}
t := true
gotEvents, err = tab.SelectEvents(ctx, txn, wantEventID, &gomatrixserverlib.RoomEventFilter{Limit: 1, ContainsURL: &t}, true)
if err != nil {
return fmt.Errorf("failed to SelectEvents: %s", err)
}
gotEventIDs = make([]string, len(gotEvents))
for i := range gotEvents {
gotEventIDs[i] = gotEvents[i].EventID()
}
if !reflect.DeepEqual(gotEventIDs, wantEventID) {
return fmt.Errorf("SelectEvents\ngot %v\n want %v", gotEventIDs, wantEventID)
}
return nil
})
if err != nil {

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@ -698,4 +698,5 @@ Ignore user in existing room
Ignore invite in full sync
Ignore invite in incremental sync
A filtered timeline reaches its limit
A change to displayname should not result in a full state sync
A change to displayname should not result in a full state sync
Can fetch images in room