83f038e12b
Closes #1223 Signed-off-by: Henrik Sölver <henrik.solver@gmail.com> Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
314 lines
10 KiB
Go
314 lines
10 KiB
Go
// Copyright 2017-2018 New Vector Ltd
|
|
// Copyright 2019-2020 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 sqlite3
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"encoding/json"
|
|
"strings"
|
|
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/dendrite/syncapi/storage/tables"
|
|
"github.com/matrix-org/dendrite/syncapi/types"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
const currentRoomStateSchema = `
|
|
-- Stores the current room state for every room.
|
|
CREATE TABLE IF NOT EXISTS syncapi_current_room_state (
|
|
room_id TEXT NOT NULL,
|
|
event_id TEXT NOT NULL,
|
|
type TEXT NOT NULL,
|
|
sender TEXT NOT NULL,
|
|
contains_url BOOL NOT NULL DEFAULT false,
|
|
state_key TEXT NOT NULL,
|
|
headered_event_json TEXT NOT NULL,
|
|
membership TEXT,
|
|
added_at BIGINT,
|
|
UNIQUE (room_id, type, state_key)
|
|
);
|
|
-- for event deletion
|
|
CREATE UNIQUE INDEX IF NOT EXISTS syncapi_event_id_idx ON syncapi_current_room_state(event_id, room_id, type, sender, contains_url);
|
|
-- for querying membership states of users
|
|
-- CREATE INDEX IF NOT EXISTS syncapi_membership_idx ON syncapi_current_room_state(type, state_key, membership) WHERE membership IS NOT NULL AND membership != 'leave';
|
|
`
|
|
|
|
const upsertRoomStateSQL = "" +
|
|
"INSERT INTO syncapi_current_room_state (room_id, event_id, type, sender, contains_url, state_key, headered_event_json, membership, added_at)" +
|
|
" VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)" +
|
|
" ON CONFLICT (event_id, room_id, type, sender, contains_url)" +
|
|
" DO UPDATE SET event_id = $2, sender=$4, contains_url=$5, headered_event_json = $7, membership = $8, added_at = $9"
|
|
|
|
const deleteRoomStateByEventIDSQL = "" +
|
|
"DELETE FROM syncapi_current_room_state WHERE event_id = $1"
|
|
|
|
const selectRoomIDsWithMembershipSQL = "" +
|
|
"SELECT room_id FROM syncapi_current_room_state WHERE type = 'm.room.member' AND state_key = $1 AND membership = $2"
|
|
|
|
const selectCurrentStateSQL = "" +
|
|
"SELECT headered_event_json FROM syncapi_current_room_state WHERE room_id = $1" +
|
|
" AND ( $2 IS NULL OR sender IN ($2) )" +
|
|
" AND ( $3 IS NULL OR NOT(sender IN ($3)) )" +
|
|
" AND ( $4 IS NULL OR type IN ($4) )" +
|
|
" AND ( $5 IS NULL OR NOT(type IN ($5)) )" +
|
|
" AND ( $6 IS NULL OR contains_url = $6 )" +
|
|
" LIMIT $7"
|
|
|
|
const selectJoinedUsersSQL = "" +
|
|
"SELECT room_id, state_key FROM syncapi_current_room_state WHERE type = 'm.room.member' AND membership = 'join'"
|
|
|
|
const selectStateEventSQL = "" +
|
|
"SELECT headered_event_json FROM syncapi_current_room_state WHERE room_id = $1 AND type = $2 AND state_key = $3"
|
|
|
|
const selectEventsWithEventIDsSQL = "" +
|
|
// TODO: The session_id and transaction_id blanks are here because otherwise
|
|
// the rowsToStreamEvents expects there to be exactly five columns. We need to
|
|
// figure out if these really need to be in the DB, and if so, we need a
|
|
// better permanent fix for this. - neilalexander, 2 Jan 2020
|
|
"SELECT added_at, headered_event_json, 0 AS session_id, false AS exclude_from_sync, '' AS transaction_id" +
|
|
" FROM syncapi_current_room_state WHERE event_id IN ($1)"
|
|
|
|
type currentRoomStateStatements struct {
|
|
db *sql.DB
|
|
writer *sqlutil.TransactionWriter
|
|
streamIDStatements *streamIDStatements
|
|
upsertRoomStateStmt *sql.Stmt
|
|
deleteRoomStateByEventIDStmt *sql.Stmt
|
|
selectRoomIDsWithMembershipStmt *sql.Stmt
|
|
selectCurrentStateStmt *sql.Stmt
|
|
selectJoinedUsersStmt *sql.Stmt
|
|
selectStateEventStmt *sql.Stmt
|
|
}
|
|
|
|
func NewSqliteCurrentRoomStateTable(db *sql.DB, streamID *streamIDStatements) (tables.CurrentRoomState, error) {
|
|
s := ¤tRoomStateStatements{
|
|
db: db,
|
|
writer: sqlutil.NewTransactionWriter(),
|
|
streamIDStatements: streamID,
|
|
}
|
|
_, err := db.Exec(currentRoomStateSchema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if s.upsertRoomStateStmt, err = db.Prepare(upsertRoomStateSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.deleteRoomStateByEventIDStmt, err = db.Prepare(deleteRoomStateByEventIDSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.selectRoomIDsWithMembershipStmt, err = db.Prepare(selectRoomIDsWithMembershipSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.selectCurrentStateStmt, err = db.Prepare(selectCurrentStateSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.selectJoinedUsersStmt, err = db.Prepare(selectJoinedUsersSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.selectStateEventStmt, err = db.Prepare(selectStateEventSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
return s, nil
|
|
}
|
|
|
|
// JoinedMemberLists returns a map of room ID to a list of joined user IDs.
|
|
func (s *currentRoomStateStatements) SelectJoinedUsers(
|
|
ctx context.Context,
|
|
) (map[string][]string, error) {
|
|
rows, err := s.selectJoinedUsersStmt.QueryContext(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectJoinedUsers: rows.close() failed")
|
|
|
|
result := make(map[string][]string)
|
|
for rows.Next() {
|
|
var roomID string
|
|
var userID string
|
|
if err := rows.Scan(&roomID, &userID); err != nil {
|
|
return nil, err
|
|
}
|
|
users := result[roomID]
|
|
users = append(users, userID)
|
|
result[roomID] = users
|
|
}
|
|
return result, nil
|
|
}
|
|
|
|
// SelectRoomIDsWithMembership returns the list of room IDs which have the given user in the given membership state.
|
|
func (s *currentRoomStateStatements) SelectRoomIDsWithMembership(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
userID string,
|
|
membership string, // nolint: unparam
|
|
) ([]string, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectRoomIDsWithMembershipStmt)
|
|
rows, err := stmt.QueryContext(ctx, userID, membership)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectRoomIDsWithMembership: rows.close() failed")
|
|
|
|
var result []string
|
|
for rows.Next() {
|
|
var roomID string
|
|
if err := rows.Scan(&roomID); err != nil {
|
|
return nil, err
|
|
}
|
|
result = append(result, roomID)
|
|
}
|
|
return result, nil
|
|
}
|
|
|
|
// CurrentState returns all the current state events for the given room.
|
|
func (s *currentRoomStateStatements) SelectCurrentState(
|
|
ctx context.Context, txn *sql.Tx, roomID string,
|
|
stateFilterPart *gomatrixserverlib.StateFilter,
|
|
) ([]gomatrixserverlib.HeaderedEvent, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectCurrentStateStmt)
|
|
rows, err := stmt.QueryContext(ctx, roomID,
|
|
nil, // FIXME: pq.StringArray(stateFilterPart.Senders),
|
|
nil, // FIXME: pq.StringArray(stateFilterPart.NotSenders),
|
|
nil, // FIXME: pq.StringArray(filterConvertTypeWildcardToSQL(stateFilterPart.Types)),
|
|
nil, // FIXME: pq.StringArray(filterConvertTypeWildcardToSQL(stateFilterPart.NotTypes)),
|
|
stateFilterPart.ContainsURL,
|
|
stateFilterPart.Limit,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectCurrentState: rows.close() failed")
|
|
|
|
return rowsToEvents(rows)
|
|
}
|
|
|
|
func (s *currentRoomStateStatements) DeleteRoomStateByEventID(
|
|
ctx context.Context, txn *sql.Tx, eventID string,
|
|
) error {
|
|
return s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
|
|
stmt := sqlutil.TxStmt(txn, s.deleteRoomStateByEventIDStmt)
|
|
_, err := stmt.ExecContext(ctx, eventID)
|
|
return err
|
|
})
|
|
}
|
|
|
|
func (s *currentRoomStateStatements) UpsertRoomState(
|
|
ctx context.Context, txn *sql.Tx,
|
|
event gomatrixserverlib.HeaderedEvent, membership *string, addedAt types.StreamPosition,
|
|
) error {
|
|
// Parse content as JSON and search for an "url" key
|
|
containsURL := false
|
|
var content map[string]interface{}
|
|
if json.Unmarshal(event.Content(), &content) != nil {
|
|
// Set containsURL to true if url is present
|
|
_, containsURL = content["url"]
|
|
}
|
|
|
|
headeredJSON, err := json.Marshal(event)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// upsert state event
|
|
return s.writer.Do(s.db, txn, func(txn *sql.Tx) error {
|
|
stmt := sqlutil.TxStmt(txn, s.upsertRoomStateStmt)
|
|
_, err := stmt.ExecContext(
|
|
ctx,
|
|
event.RoomID(),
|
|
event.EventID(),
|
|
event.Type(),
|
|
event.Sender(),
|
|
containsURL,
|
|
*event.StateKey(),
|
|
headeredJSON,
|
|
membership,
|
|
addedAt,
|
|
)
|
|
return err
|
|
})
|
|
}
|
|
|
|
func minOfInts(a, b int) int {
|
|
if a <= b {
|
|
return a
|
|
}
|
|
return b
|
|
}
|
|
|
|
func (s *currentRoomStateStatements) SelectEventsWithEventIDs(
|
|
ctx context.Context, txn *sql.Tx, eventIDs []string,
|
|
) ([]types.StreamEvent, error) {
|
|
iEventIDs := make([]interface{}, len(eventIDs))
|
|
for k, v := range eventIDs {
|
|
iEventIDs[k] = v
|
|
}
|
|
res := make([]types.StreamEvent, 0, len(eventIDs))
|
|
var start int
|
|
for start < len(eventIDs) {
|
|
n := minOfInts(len(eventIDs)-start, 999)
|
|
query := strings.Replace(selectEventsWithEventIDsSQL, "($1)", sqlutil.QueryVariadic(n), 1)
|
|
rows, err := txn.QueryContext(ctx, query, iEventIDs[start:start+n]...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
start = start + n
|
|
events, err := rowsToStreamEvents(rows)
|
|
internal.CloseAndLogIfError(ctx, rows, "selectEventsWithEventIDs: rows.close() failed")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
res = append(res, events...)
|
|
}
|
|
return res, nil
|
|
}
|
|
|
|
func rowsToEvents(rows *sql.Rows) ([]gomatrixserverlib.HeaderedEvent, error) {
|
|
result := []gomatrixserverlib.HeaderedEvent{}
|
|
for rows.Next() {
|
|
var eventBytes []byte
|
|
if err := rows.Scan(&eventBytes); err != nil {
|
|
return nil, err
|
|
}
|
|
// TODO: Handle redacted events
|
|
var ev gomatrixserverlib.HeaderedEvent
|
|
if err := json.Unmarshal(eventBytes, &ev); err != nil {
|
|
return nil, err
|
|
}
|
|
result = append(result, ev)
|
|
}
|
|
return result, nil
|
|
}
|
|
|
|
func (s *currentRoomStateStatements) SelectStateEvent(
|
|
ctx context.Context, roomID, evType, stateKey string,
|
|
) (*gomatrixserverlib.HeaderedEvent, error) {
|
|
stmt := s.selectStateEventStmt
|
|
var res []byte
|
|
err := stmt.QueryRowContext(ctx, roomID, evType, stateKey).Scan(&res)
|
|
if err == sql.ErrNoRows {
|
|
return nil, nil
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var ev gomatrixserverlib.HeaderedEvent
|
|
if err = json.Unmarshal(res, &ev); err != nil {
|
|
return nil, err
|
|
}
|
|
return &ev, err
|
|
}
|