sigb.us/dendrite
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases 1 Wiki Activity

Implement /context (#2207)

Browse source 
* Add QueryEventsAfter

* Add /context

* Make all tests pass on sqlite

* Add queries to get the events for /context requests

* Move /context to the syncapi

* Revert "Add QueryEventsAfter"

This reverts commit 440a771d10.

* Simplify getting the required events

* Apply RoomEventFilter when getting events

* Add passing tests

* Remove logging

* Remove unused SQL statements
Update comments & add TODO
This commit is contained in:
S7evinK 2022-02-21 17:12:22 +01:00 committed by GitHub
parent 280e9b19a1
commit cf525d1f61
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 533 additions and 60 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

190
syncapi/routing/context.go Normal file
View file

@ -0,0 +1,190 @@
// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package routing
import (
"database/sql"
"encoding/json"
"net/http"
"strconv"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
roomserver "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/syncapi/storage"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/sirupsen/logrus"
)
type ContextRespsonse struct {
End string `json:"end"`
Event gomatrixserverlib.ClientEvent `json:"event"`
EventsAfter []gomatrixserverlib.ClientEvent `json:"events_after,omitempty"`
EventsBefore []gomatrixserverlib.ClientEvent `json:"events_before,omitempty"`
Start string `json:"start"`
State []gomatrixserverlib.ClientEvent `json:"state"`
}
func Context(
req *http.Request, device *userapi.Device,
rsAPI roomserver.RoomserverInternalAPI,
syncDB storage.Database,
roomID, eventID string,
) util.JSONResponse {
filter, err := parseContextParams(req)
if err != nil {
errMsg := ""
switch err.(type) {
case *json.InvalidUnmarshalError:
errMsg = "unable to parse filter"
case *strconv.NumError:
errMsg = "unable to parse limit"
}
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.InvalidParam(errMsg),
Headers: nil,
}
}
filter.Rooms = append(filter.Rooms, roomID)
ctx := req.Context()
membershipRes := roomserver.QueryMembershipForUserResponse{}
membershipReq := roomserver.QueryMembershipForUserRequest{UserID: device.UserID, RoomID: roomID}
if err := rsAPI.QueryMembershipForUser(ctx, &membershipReq, &membershipRes); err != nil {
logrus.WithError(err).Error("unable to fo membership")
return jsonerror.InternalServerError()
}
stateFilter := gomatrixserverlib.StateFilter{
Limit: 100,
NotSenders: filter.NotSenders,
NotTypes: filter.NotTypes,
Senders: filter.Senders,
Types: filter.Types,
LazyLoadMembers: filter.LazyLoadMembers,
IncludeRedundantMembers: filter.IncludeRedundantMembers,
NotRooms: filter.NotRooms,
Rooms: filter.Rooms,
ContainsURL: filter.ContainsURL,
}
// TODO: Get the actual state at the last event returned by SelectContextAfterEvent
state, _ := syncDB.CurrentState(ctx, roomID, &stateFilter, nil)
// verify the user is allowed to see the context for this room/event
for _, x := range state {
hisVis, err := x.HistoryVisibility()
if err != nil {
continue
}
allowed := hisVis != "world_readable" && membershipRes.Membership == "join"
if !allowed {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("User is not allowed to query context"),
}
}
}
id, requestedEvent, err := syncDB.SelectContextEvent(ctx, roomID, eventID)
if err != nil {
logrus.WithError(err).WithField("eventID", eventID).Error("unable to find requested event")
return jsonerror.InternalServerError()
}
eventsBefore, err := syncDB.SelectContextBeforeEvent(ctx, id, roomID, filter)
if err != nil && err != sql.ErrNoRows {
logrus.WithError(err).Error("unable to fetch before events")
return jsonerror.InternalServerError()
}
_, eventsAfter, err := syncDB.SelectContextAfterEvent(ctx, id, roomID, filter)
if err != nil && err != sql.ErrNoRows {
logrus.WithError(err).Error("unable to fetch after events")
return jsonerror.InternalServerError()
}
eventsBeforeClient := gomatrixserverlib.HeaderedToClientEvents(eventsBefore, gomatrixserverlib.FormatAll)
eventsAfterClient := gomatrixserverlib.HeaderedToClientEvents(eventsAfter, gomatrixserverlib.FormatAll)
newState := applyLazyLoadMembers(filter, eventsAfterClient, eventsBeforeClient, state)
response := ContextRespsonse{
Event: gomatrixserverlib.HeaderedToClientEvent(&requestedEvent, gomatrixserverlib.FormatAll),
EventsAfter: eventsAfterClient,
EventsBefore: eventsBeforeClient,
State: gomatrixserverlib.HeaderedToClientEvents(newState, gomatrixserverlib.FormatAll),
}
if len(response.State) > filter.Limit {
response.State = response.State[len(response.State)-filter.Limit:]
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: response,
}
}
func applyLazyLoadMembers(filter *gomatrixserverlib.RoomEventFilter, eventsAfter, eventsBefore []gomatrixserverlib.ClientEvent, state []*gomatrixserverlib.HeaderedEvent) []*gomatrixserverlib.HeaderedEvent {
if filter == nil || !filter.LazyLoadMembers {
return state
}
allEvents := append(eventsBefore, eventsAfter...)
x := make(map[string]bool)
// get members who actually send an event
for _, e := range allEvents {
x[e.Sender] = true
}
newState := []*gomatrixserverlib.HeaderedEvent{}
for _, event := range state {
if event.Type() != gomatrixserverlib.MRoomMember {
newState = append(newState, event)
} else {
// did the user send an event?
if x[event.Sender()] {
newState = append(newState, event)
}
}
}
return newState
}
func parseContextParams(req *http.Request) (*gomatrixserverlib.RoomEventFilter, error) {
// Default room filter
filter := &gomatrixserverlib.RoomEventFilter{Limit: 10}
l := req.URL.Query().Get("limit")
f := req.URL.Query().Get("filter")
if l != "" {
limit, err := strconv.Atoi(l)
if err != nil {
return nil, err
}
// NOTSPEC: feels like a good idea to have an upper bound limit
if limit > 100 {
limit = 100
}
filter.Limit = limit
}
if f != "" {
if err := json.Unmarshal([]byte(f), &filter); err != nil {
return nil, err
}
}
return filter, nil
}

68
syncapi/routing/context_test.go Normal file
View file

@ -0,0 +1,68 @@
package routing
import (
"net/http"
"reflect"
"testing"
"github.com/matrix-org/gomatrixserverlib"
)
func Test_parseContextParams(t *testing.T) {
noParamsReq, _ := http.NewRequest("GET", "https://localhost:8800/_matrix/client/r0/rooms/!hyi4UaxS9mUXpSG9:localhost:8800/context/%24um_T82QqAXN8PayGiBW7j9WExpqTIQ7-JRq-Q6xpIf8?access_token=5dMB0z4tiulyBvCaIKgyjuWG71ybDiYIwNJVJ2UmxRI", nil)
limit2Req, _ := http.NewRequest("GET", "https://localhost:8800/_matrix/client/r0/rooms/!hyi4UaxS9mUXpSG9:localhost:8800/context/%24um_T82QqAXN8PayGiBW7j9WExpqTIQ7-JRq-Q6xpIf8?access_token=5dMB0z4tiulyBvCaIKgyjuWG71ybDiYIwNJVJ2UmxRI&limit=2", nil)
limit10000Req, _ := http.NewRequest("GET", "https://localhost:8800/_matrix/client/r0/rooms/!hyi4UaxS9mUXpSG9:localhost:8800/context/%24um_T82QqAXN8PayGiBW7j9WExpqTIQ7-JRq-Q6xpIf8?access_token=5dMB0z4tiulyBvCaIKgyjuWG71ybDiYIwNJVJ2UmxRI&limit=10000", nil)
invalidLimitReq, _ := http.NewRequest("GET", "https://localhost:8800/_matrix/client/r0/rooms/!hyi4UaxS9mUXpSG9:localhost:8800/context/%24um_T82QqAXN8PayGiBW7j9WExpqTIQ7-JRq-Q6xpIf8?access_token=5dMB0z4tiulyBvCaIKgyjuWG71ybDiYIwNJVJ2UmxRI&limit=100as", nil)
lazyLoadReq, _ := http.NewRequest("GET", "https://localhost:8800//_matrix/client/r0/rooms/!kvEtX3rFamfwKHO3:localhost:8800/context/%24GjmkRbajRHy8_cxcSbUU4qF_njV8yHeLphI2azTrPaI?limit=2&filter=%7B+%22lazy_load_members%22+%3A+true+%7D&access_token=t1Njzm74w3G40CJ5xrlf1V2haXom0z0Iq1qyyVWhbVo", nil)
invalidFilterReq, _ := http.NewRequest("GET", "https://localhost:8800//_matrix/client/r0/rooms/!kvEtX3rFamfwKHO3:localhost:8800/context/%24GjmkRbajRHy8_cxcSbUU4qF_njV8yHeLphI2azTrPaI?limit=2&filter=%7B+%22lazy_load_members%22+%3A+true&access_token=t1Njzm74w3G40CJ5xrlf1V2haXom0z0Iq1qyyVWhbVo", nil)
tests := []struct {
name string
req *http.Request
wantFilter *gomatrixserverlib.RoomEventFilter
wantErr bool
}{
{
name: "no params set",
req: noParamsReq,
wantFilter: &gomatrixserverlib.RoomEventFilter{Limit: 10},
},
{
name: "limit 2 param set",
req: limit2Req,
wantFilter: &gomatrixserverlib.RoomEventFilter{Limit: 2},
},
{
name: "limit 10000 param set",
req: limit10000Req,
wantFilter: &gomatrixserverlib.RoomEventFilter{Limit: 100},
},
{
name: "filter lazy_load_members param set",
req: lazyLoadReq,
wantFilter: &gomatrixserverlib.RoomEventFilter{Limit: 2, LazyLoadMembers: true},
},
{
name: "invalid limit req",
req: invalidLimitReq,
wantErr: true,
},
{
name: "invalid filter req",
req: invalidFilterReq,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotFilter, err := parseContextParams(tt.req)
if (err != nil) != tt.wantErr {
t.Errorf("parseContextParams() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(gotFilter, tt.wantFilter) {
t.Errorf("parseContextParams() gotFilter = %v, want %v", gotFilter, tt.wantFilter)
}
})
}
}

15
syncapi/routing/routing.go
View file

@ -77,4 +77,19 @@ func Setup(
v3mux.Handle("/keys/changes", httputil.MakeAuthAPI("keys_changes", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
return srp.OnIncomingKeyChangeRequest(req, device)
})).Methods(http.MethodGet, http.MethodOptions)
v3mux.Handle("/rooms/{roomId}/context/{eventId}",
httputil.MakeAuthAPI(gomatrixserverlib.Join, userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
return Context(
req, device,
rsAPI, syncDB,
vars["roomId"], vars["eventId"],
)
}),
).Methods(http.MethodGet, http.MethodOptions)
}

4
syncapi/storage/interface.go
View file

@ -137,4 +137,8 @@ type Database interface {
StoreReceipt(ctx context.Context, roomId, receiptType, userId, eventId string, timestamp gomatrixserverlib.Timestamp) (pos types.StreamPosition, err error)
// GetRoomReceipts gets all receipts for a given roomID
GetRoomReceipts(ctx context.Context, roomIDs []string, streamPos types.StreamPosition) ([]eduAPI.OutputReceiptEvent, error)
SelectContextEvent(ctx context.Context, roomID, eventID string) (int, gomatrixserverlib.HeaderedEvent, error)
SelectContextBeforeEvent(ctx context.Context, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) ([]*gomatrixserverlib.HeaderedEvent, error)
SelectContextAfterEvent(ctx context.Context, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) (int, []*gomatrixserverlib.HeaderedEvent, error)
}

142
syncapi/storage/postgres/output_room_events_table.go
View file

@ -130,6 +130,25 @@ const selectStateInRangeSQL = "" +
const deleteEventsForRoomSQL = "" +
"DELETE FROM syncapi_output_room_events WHERE room_id = $1"
const selectContextEventSQL = "" +
"SELECT id, headered_event_json FROM syncapi_output_room_events WHERE room_id = $1 AND event_id = $2"
const selectContextBeforeEventSQL = "" +
"SELECT headered_event_json FROM syncapi_output_room_events WHERE room_id = $1 AND id < $2" +
" AND ( $4::text[] IS NULL OR sender = ANY($4) )" +
" AND ( $5::text[] IS NULL OR NOT(sender = ANY($5)) )" +
" AND ( $6::text[] IS NULL OR type LIKE ANY($6) )" +
" AND ( $7::text[] IS NULL OR NOT(type LIKE ANY($7)) )" +
" ORDER BY id DESC LIMIT $3"
const selectContextAfterEventSQL = "" +
"SELECT id, headered_event_json FROM syncapi_output_room_events WHERE room_id = $1 AND id > $2" +
" AND ( $4::text[] IS NULL OR sender = ANY($4) )" +
" AND ( $5::text[] IS NULL OR NOT(sender = ANY($5)) )" +
" AND ( $6::text[] IS NULL OR type LIKE ANY($6) )" +
" AND ( $7::text[] IS NULL OR NOT(type LIKE ANY($7)) )" +
" ORDER BY id ASC LIMIT $3"
type outputRoomEventsStatements struct {
insertEventStmt *sql.Stmt
selectEventsStmt *sql.Stmt
@ -140,6 +159,9 @@ type outputRoomEventsStatements struct {
selectStateInRangeStmt *sql.Stmt
updateEventJSONStmt *sql.Stmt
deleteEventsForRoomStmt *sql.Stmt
selectContextEventStmt *sql.Stmt
selectContextBeforeEventStmt *sql.Stmt
selectContextAfterEventStmt *sql.Stmt
}
func NewPostgresEventsTable(db *sql.DB) (tables.Events, error) {
@ -148,34 +170,20 @@ func NewPostgresEventsTable(db *sql.DB) (tables.Events, error) {
if err != nil {
return nil, err
}
if s.insertEventStmt, err = db.Prepare(insertEventSQL); err != nil {
return nil, err
}
if s.selectEventsStmt, err = db.Prepare(selectEventsSQL); err != nil {
return nil, err
}
if s.selectMaxEventIDStmt, err = db.Prepare(selectMaxEventIDSQL); err != nil {
return nil, err
}
if s.selectRecentEventsStmt, err = db.Prepare(selectRecentEventsSQL); err != nil {
return nil, err
}
if s.selectRecentEventsForSyncStmt, err = db.Prepare(selectRecentEventsForSyncSQL); err != nil {
return nil, err
}
if s.selectEarlyEventsStmt, err = db.Prepare(selectEarlyEventsSQL); err != nil {
return nil, err
}
if s.selectStateInRangeStmt, err = db.Prepare(selectStateInRangeSQL); err != nil {
return nil, err
}
if s.updateEventJSONStmt, err = db.Prepare(updateEventJSONSQL); err != nil {
return nil, err
}
if s.deleteEventsForRoomStmt, err = db.Prepare(deleteEventsForRoomSQL); err != nil {
return nil, err
}
return s, nil
return s, sqlutil.StatementList{
{&s.insertEventStmt, insertEventSQL},
{&s.selectEventsStmt, selectEventsSQL},
{&s.selectMaxEventIDStmt, selectMaxEventIDSQL},
{&s.selectRecentEventsStmt, selectRecentEventsSQL},
{&s.selectRecentEventsForSyncStmt, selectRecentEventsForSyncSQL},
{&s.selectEarlyEventsStmt, selectEarlyEventsSQL},
{&s.selectStateInRangeStmt, selectStateInRangeSQL},
{&s.updateEventJSONStmt, updateEventJSONSQL},
{&s.deleteEventsForRoomStmt, deleteEventsForRoomSQL},
{&s.selectContextEventStmt, selectContextEventSQL},
{&s.selectContextBeforeEventStmt, selectContextBeforeEventSQL},
{&s.selectContextAfterEventStmt, selectContextAfterEventSQL},
}.Prepare(db)
}
func (s *outputRoomEventsStatements) UpdateEventJSON(ctx context.Context, event *gomatrixserverlib.HeaderedEvent) error {
@ -436,6 +444,84 @@ func (s *outputRoomEventsStatements) DeleteEventsForRoom(
return err
}
func (s *outputRoomEventsStatements) SelectContextEvent(ctx context.Context, txn *sql.Tx, roomID, eventID string) (id int, evt gomatrixserverlib.HeaderedEvent, err error) {
row := sqlutil.TxStmt(txn, s.selectContextEventStmt).QueryRowContext(ctx, roomID, eventID)
var eventAsString string
if err = row.Scan(&id, &eventAsString); err != nil {
return 0, evt, err
}
if err = json.Unmarshal([]byte(eventAsString), &evt); err != nil {
return 0, evt, err
}
return id, evt, nil
}
func (s *outputRoomEventsStatements) SelectContextBeforeEvent(
ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter,
) (evts []*gomatrixserverlib.HeaderedEvent, err error) {
rows, err := sqlutil.TxStmt(txn, s.selectContextBeforeEventStmt).QueryContext(
ctx, roomID, id, filter.Limit,
pq.StringArray(filter.Senders),
pq.StringArray(filter.NotSenders),
pq.StringArray(filterConvertTypeWildcardToSQL(filter.Types)),
pq.StringArray(filterConvertTypeWildcardToSQL(filter.NotTypes)),
)
if err != nil {
return
}
defer rows.Close()
for rows.Next() {
var (
eventBytes []byte
evt *gomatrixserverlib.HeaderedEvent
)
if err = rows.Scan(&eventBytes); err != nil {
return evts, err
}
if err = json.Unmarshal(eventBytes, &evt); err != nil {
return evts, err
}
evts = append(evts, evt)
}
return evts, rows.Err()
}
func (s *outputRoomEventsStatements) SelectContextAfterEvent(
ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter,
) (lastID int, evts []*gomatrixserverlib.HeaderedEvent, err error) {
rows, err := sqlutil.TxStmt(txn, s.selectContextAfterEventStmt).QueryContext(
ctx, roomID, id, filter.Limit,
pq.StringArray(filter.Senders),
pq.StringArray(filter.NotSenders),
pq.StringArray(filterConvertTypeWildcardToSQL(filter.Types)),
pq.StringArray(filterConvertTypeWildcardToSQL(filter.NotTypes)),
)
if err != nil {
return
}
defer rows.Close()
for rows.Next() {
var (
eventBytes []byte
evt *gomatrixserverlib.HeaderedEvent
)
if err = rows.Scan(&lastID, &eventBytes); err != nil {
return 0, evts, err
}
if err = json.Unmarshal(eventBytes, &evt); err != nil {
return 0, evts, err
}
evts = append(evts, evt)
}
return lastID, evts, rows.Err()
}
func rowsToStreamEvents(rows *sql.Rows) ([]types.StreamEvent, error) {
var result []types.StreamEvent
for rows.Next() {

11
syncapi/storage/shared/syncserver.go
View file

@ -955,3 +955,14 @@ func (d *Database) GetRoomReceipts(ctx context.Context, roomIDs []string, stream
_, receipts, err := d.Receipts.SelectRoomReceiptsAfter(ctx, roomIDs, streamPos)
return receipts, err
}
func (s *Database) SelectContextEvent(ctx context.Context, roomID, eventID string) (int, gomatrixserverlib.HeaderedEvent, error) {
return s.OutputEvents.SelectContextEvent(ctx, nil, roomID, eventID)
}
func (s *Database) SelectContextBeforeEvent(ctx context.Context, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) ([]*gomatrixserverlib.HeaderedEvent, error) {
return s.OutputEvents.SelectContextBeforeEvent(ctx, nil, id, roomID, filter)
}
func (s *Database) SelectContextAfterEvent(ctx context.Context, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) (int, []*gomatrixserverlib.HeaderedEvent, error) {
return s.OutputEvents.SelectContextAfterEvent(ctx, nil, id, roomID, filter)
}

3
syncapi/storage/sqlite3/current_room_state_table.go
View file

@ -68,7 +68,8 @@ const selectRoomIDsWithMembershipSQL = "" +
const selectCurrentStateSQL = "" +
"SELECT event_id, headered_event_json FROM syncapi_current_room_state WHERE room_id = $1"
// WHEN, ORDER BY and LIMIT will be added by prepareWithFilter
// WHEN, ORDER BY and LIMIT will be added by prepareWithFilter
const selectJoinedUsersSQL = "" +
"SELECT room_id, state_key FROM syncapi_current_room_state WHERE type = 'm.room.member' AND membership = 'join'"

133
syncapi/storage/sqlite3/output_room_events_table.go
View file

@ -62,17 +62,17 @@ const selectEventsSQL = "" +
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"
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
const selectRecentEventsForSyncSQL = "" +
"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 AND exclude_from_sync = FALSE"
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
const selectEarlyEventsSQL = "" +
"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"
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
const selectMaxEventIDSQL = "" +
"SELECT MAX(id) FROM syncapi_output_room_events"
@ -85,11 +85,22 @@ const selectStateInRangeSQL = "" +
" FROM syncapi_output_room_events" +
" WHERE (id > $1 AND id <= $2)" +
" AND ((add_state_ids IS NOT NULL AND add_state_ids != '') OR (remove_state_ids IS NOT NULL AND remove_state_ids != ''))"
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
const deleteEventsForRoomSQL = "" +
"DELETE FROM syncapi_output_room_events WHERE room_id = $1"
const selectContextEventSQL = "" +
"SELECT id, headered_event_json FROM syncapi_output_room_events WHERE room_id = $1 AND event_id = $2"
const selectContextBeforeEventSQL = "" +
"SELECT headered_event_json FROM syncapi_output_room_events WHERE room_id = $1 AND id < $2"
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
const selectContextAfterEventSQL = "" +
"SELECT id, headered_event_json FROM syncapi_output_room_events WHERE room_id = $1 AND id > $2"
// WHEN, ORDER BY and LIMIT are appended by prepareWithFilters
type outputRoomEventsStatements struct {
db *sql.DB
streamIDStatements *streamIDStatements
@ -98,6 +109,9 @@ type outputRoomEventsStatements struct {
selectMaxEventIDStmt *sql.Stmt
updateEventJSONStmt *sql.Stmt
deleteEventsForRoomStmt *sql.Stmt
selectContextEventStmt *sql.Stmt
selectContextBeforeEventStmt *sql.Stmt
selectContextAfterEventStmt *sql.Stmt
}
func NewSqliteEventsTable(db *sql.DB, streamID *streamIDStatements) (tables.Events, error) {
@ -109,22 +123,16 @@ func NewSqliteEventsTable(db *sql.DB, streamID *streamIDStatements) (tables.Even
if err != nil {
return nil, err
}
if s.insertEventStmt, err = db.Prepare(insertEventSQL); err != nil {
return nil, err
}
if s.selectEventsStmt, err = db.Prepare(selectEventsSQL); err != nil {
return nil, err
}
if s.selectMaxEventIDStmt, err = db.Prepare(selectMaxEventIDSQL); err != nil {
return nil, err
}
if s.updateEventJSONStmt, err = db.Prepare(updateEventJSONSQL); err != nil {
return nil, err
}
if s.deleteEventsForRoomStmt, err = db.Prepare(deleteEventsForRoomSQL); err != nil {
return nil, err
}
return s, nil
return s, sqlutil.StatementList{
{&s.insertEventStmt, insertEventSQL},
{&s.selectEventsStmt, selectEventsSQL},
{&s.selectMaxEventIDStmt, selectMaxEventIDSQL},
{&s.updateEventJSONStmt, updateEventJSONSQL},
{&s.deleteEventsForRoomStmt, deleteEventsForRoomSQL},
{&s.selectContextEventStmt, selectContextEventSQL},
{&s.selectContextBeforeEventStmt, selectContextBeforeEventSQL},
{&s.selectContextAfterEventStmt, selectContextAfterEventSQL},
}.Prepare(db)
}
func (s *outputRoomEventsStatements) UpdateEventJSON(ctx context.Context, event *gomatrixserverlib.HeaderedEvent) error {
@ -462,6 +470,91 @@ func rowsToStreamEvents(rows *sql.Rows) ([]types.StreamEvent, error) {
}
return result, nil
}
func (s *outputRoomEventsStatements) SelectContextEvent(
ctx context.Context, txn *sql.Tx, roomID, eventID string,
) (id int, evt gomatrixserverlib.HeaderedEvent, err error) {
row := sqlutil.TxStmt(txn, s.selectContextEventStmt).QueryRowContext(ctx, roomID, eventID)
var eventAsString string
if err = row.Scan(&id, &eventAsString); err != nil {
return 0, evt, err
}
if err = json.Unmarshal([]byte(eventAsString), &evt); err != nil {
return 0, evt, err
}
return id, evt, nil
}
func (s *outputRoomEventsStatements) SelectContextBeforeEvent(
ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter,
) (evts []*gomatrixserverlib.HeaderedEvent, err error) {
stmt, params, err := prepareWithFilters(
s.db, txn, selectContextBeforeEventSQL,
[]interface{}{
roomID, id,
},
filter.Senders, filter.NotSenders,
filter.Types, filter.NotTypes,
nil, filter.Limit, FilterOrderDesc,
)
rows, err := stmt.QueryContext(ctx, params...)
if err != nil {
return
}
defer rows.Close()
for rows.Next() {
var (
eventBytes []byte
evt *gomatrixserverlib.HeaderedEvent
)
if err = rows.Scan(&eventBytes); err != nil {
return evts, err
}
if err = json.Unmarshal(eventBytes, &evt); err != nil {
return evts, err
}
evts = append(evts, evt)
}
return evts, rows.Err()
}
func (s *outputRoomEventsStatements) SelectContextAfterEvent(
ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter,
) (lastID int, evts []*gomatrixserverlib.HeaderedEvent, err error) {
stmt, params, err := prepareWithFilters(
s.db, txn, selectContextAfterEventSQL,
[]interface{}{
roomID, id,
},
filter.Senders, filter.NotSenders,
filter.Types, filter.NotTypes,
nil, filter.Limit, FilterOrderAsc,
)
rows, err := stmt.QueryContext(ctx, params...)
if err != nil {
return
}
defer rows.Close()
for rows.Next() {
var (
eventBytes []byte
evt *gomatrixserverlib.HeaderedEvent
)
if err = rows.Scan(&lastID, &eventBytes); err != nil {
return 0, evts, err
}
if err = json.Unmarshal(eventBytes, &evt); err != nil {
return 0, evts, err
}
evts = append(evts, evt)
}
return lastID, evts, rows.Err()
}
func unmarshalStateIDs(addIDsJSON, delIDsJSON string) (addIDs []string, delIDs []string, err error) {
if len(addIDsJSON) > 0 {

4
syncapi/storage/tables/interface.go
View file

@ -63,6 +63,10 @@ type Events interface {
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)
SelectContextEvent(ctx context.Context, txn *sql.Tx, roomID, eventID string) (int, gomatrixserverlib.HeaderedEvent, error)
SelectContextBeforeEvent(ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) ([]*gomatrixserverlib.HeaderedEvent, error)
SelectContextAfterEvent(ctx context.Context, txn *sql.Tx, id int, roomID string, filter *gomatrixserverlib.RoomEventFilter) (int, []*gomatrixserverlib.HeaderedEvent, error)
}
// Topology keeps track of the depths and stream positions for all events.

3
sytest-blacklist
View file

@ -24,11 +24,8 @@ Local device key changes get to remote servers with correct prev_id
# Flakey
Local device key changes appear in /keys/changes
Device list doesn't change if remote server is down
# we don't support groups
Remove group category
Remove group role
# See https://github.com/matrix-org/sytest/pull/1142
Device list doesn't change if remote server is down

4
sytest-whitelist
View file

@ -593,3 +593,7 @@ If a device list update goes missing, the server resyncs on the next one
uploading self-signing key notifies over federation
uploading signed devices gets propagated over federation
Device list doesn't change if remote server is down
/context/ on joined room works
/context/ on non world readable room does not work
/context/ returns correct number of events
/context/ with lazy_load_members filter works