mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-16 16:22:48 +00:00
af5b4d1f6b
* Modify QuerySharedUsers to handle counts/include/exclude We will need this functionality when working out whether to send device list changes to users who have joined/left a room. * Linting
317 lines
10 KiB
Go
317 lines
10 KiB
Go
// Copyright 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/currentstateserver/storage/tables"
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
)
|
|
|
|
const currentRoomStateSchema = `
|
|
-- Stores the current room state for every room.
|
|
CREATE TABLE IF NOT EXISTS currentstate_current_room_state (
|
|
room_id TEXT NOT NULL,
|
|
event_id TEXT NOT NULL,
|
|
type TEXT NOT NULL,
|
|
sender TEXT NOT NULL,
|
|
state_key TEXT NOT NULL,
|
|
headered_event_json TEXT NOT NULL,
|
|
content_value TEXT NOT NULL DEFAULT '',
|
|
UNIQUE (room_id, type, state_key)
|
|
);
|
|
-- for event deletion
|
|
CREATE UNIQUE INDEX IF NOT EXISTS currentstate_event_id_idx ON currentstate_current_room_state(event_id, room_id, type, sender);
|
|
`
|
|
|
|
const upsertRoomStateSQL = "" +
|
|
"INSERT INTO currentstate_current_room_state (room_id, event_id, type, sender, state_key, headered_event_json, content_value)" +
|
|
" VALUES ($1, $2, $3, $4, $5, $6, $7)" +
|
|
" ON CONFLICT (event_id, room_id, type, sender)" +
|
|
" DO UPDATE SET event_id = $2, sender=$4, headered_event_json = $6, content_value = $7"
|
|
|
|
const deleteRoomStateByEventIDSQL = "" +
|
|
"DELETE FROM currentstate_current_room_state WHERE event_id = $1"
|
|
|
|
const selectRoomIDsWithMembershipSQL = "" +
|
|
"SELECT room_id FROM currentstate_current_room_state WHERE type = 'm.room.member' AND state_key = $1 AND content_value = $2"
|
|
|
|
const selectStateEventSQL = "" +
|
|
"SELECT headered_event_json FROM currentstate_current_room_state WHERE room_id = $1 AND type = $2 AND state_key = $3"
|
|
|
|
const selectEventsWithEventIDsSQL = "" +
|
|
"SELECT headered_event_json FROM currentstate_current_room_state WHERE event_id IN ($1)"
|
|
|
|
const selectBulkStateContentSQL = "" +
|
|
"SELECT room_id, type, state_key, content_value FROM currentstate_current_room_state WHERE room_id IN ($1) AND type IN ($2) AND state_key IN ($3)"
|
|
|
|
const selectBulkStateContentWildSQL = "" +
|
|
"SELECT room_id, type, state_key, content_value FROM currentstate_current_room_state WHERE room_id IN ($1) AND type IN ($2)"
|
|
|
|
const selectJoinedUsersSetForRoomsSQL = "" +
|
|
"SELECT state_key, COUNT(room_id) FROM currentstate_current_room_state WHERE room_id IN ($1) AND type = 'm.room.member' and content_value = 'join' GROUP BY state_key"
|
|
|
|
type currentRoomStateStatements struct {
|
|
db *sql.DB
|
|
writer *sqlutil.TransactionWriter
|
|
upsertRoomStateStmt *sql.Stmt
|
|
deleteRoomStateByEventIDStmt *sql.Stmt
|
|
selectRoomIDsWithMembershipStmt *sql.Stmt
|
|
selectStateEventStmt *sql.Stmt
|
|
selectJoinedUsersSetForRoomsStmt *sql.Stmt
|
|
}
|
|
|
|
func NewSqliteCurrentRoomStateTable(db *sql.DB) (tables.CurrentRoomState, error) {
|
|
s := ¤tRoomStateStatements{
|
|
db: db,
|
|
writer: sqlutil.NewTransactionWriter(),
|
|
}
|
|
_, 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.selectStateEventStmt, err = db.Prepare(selectStateEventSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.selectJoinedUsersSetForRoomsStmt, err = db.Prepare(selectJoinedUsersSetForRoomsSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
return s, nil
|
|
}
|
|
|
|
func (s *currentRoomStateStatements) SelectJoinedUsersSetForRooms(ctx context.Context, roomIDs []string) (map[string]int, error) {
|
|
iRoomIDs := make([]interface{}, len(roomIDs))
|
|
for i, v := range roomIDs {
|
|
iRoomIDs[i] = v
|
|
}
|
|
query := strings.Replace(selectJoinedUsersSetForRoomsSQL, "($1)", sqlutil.QueryVariadic(len(iRoomIDs)), 1)
|
|
rows, err := s.db.QueryContext(ctx, query, iRoomIDs...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectJoinedUsersSetForRooms: rows.close() failed")
|
|
result := make(map[string]int)
|
|
for rows.Next() {
|
|
var userID string
|
|
var count int
|
|
if err := rows.Scan(&userID, &count); err != nil {
|
|
return nil, err
|
|
}
|
|
result[userID] = count
|
|
}
|
|
return result, rows.Err()
|
|
}
|
|
|
|
// 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,
|
|
) ([]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
|
|
}
|
|
|
|
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, contentVal string,
|
|
) error {
|
|
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(),
|
|
*event.StateKey(),
|
|
headeredJSON,
|
|
contentVal,
|
|
)
|
|
return err
|
|
})
|
|
}
|
|
|
|
func (s *currentRoomStateStatements) SelectEventsWithEventIDs(
|
|
ctx context.Context, txn *sql.Tx, eventIDs []string,
|
|
) ([]gomatrixserverlib.HeaderedEvent, error) {
|
|
iEventIDs := make([]interface{}, len(eventIDs))
|
|
for k, v := range eventIDs {
|
|
iEventIDs[k] = v
|
|
}
|
|
query := strings.Replace(selectEventsWithEventIDsSQL, "($1)", sqlutil.QueryVariadic(len(iEventIDs)), 1)
|
|
var rows *sql.Rows
|
|
var err error
|
|
if txn != nil {
|
|
rows, err = txn.QueryContext(ctx, query, iEventIDs...)
|
|
} else {
|
|
rows, err = s.db.QueryContext(ctx, query, iEventIDs...)
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectEventsWithEventIDs: rows.close() failed")
|
|
result := []gomatrixserverlib.HeaderedEvent{}
|
|
for rows.Next() {
|
|
var eventBytes []byte
|
|
if err := rows.Scan(&eventBytes); err != nil {
|
|
return nil, err
|
|
}
|
|
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
|
|
}
|
|
|
|
func (s *currentRoomStateStatements) SelectBulkStateContent(
|
|
ctx context.Context, roomIDs []string, tuples []gomatrixserverlib.StateKeyTuple, allowWildcards bool,
|
|
) ([]tables.StrippedEvent, error) {
|
|
hasWildcards := false
|
|
eventTypeSet := make(map[string]bool)
|
|
stateKeySet := make(map[string]bool)
|
|
var eventTypes []string
|
|
var stateKeys []string
|
|
for _, tuple := range tuples {
|
|
if !eventTypeSet[tuple.EventType] {
|
|
eventTypeSet[tuple.EventType] = true
|
|
eventTypes = append(eventTypes, tuple.EventType)
|
|
}
|
|
if !stateKeySet[tuple.StateKey] {
|
|
stateKeySet[tuple.StateKey] = true
|
|
stateKeys = append(stateKeys, tuple.StateKey)
|
|
}
|
|
if tuple.StateKey == "*" {
|
|
hasWildcards = true
|
|
}
|
|
}
|
|
|
|
iRoomIDs := make([]interface{}, len(roomIDs))
|
|
for i, v := range roomIDs {
|
|
iRoomIDs[i] = v
|
|
}
|
|
iEventTypes := make([]interface{}, len(eventTypes))
|
|
for i, v := range eventTypes {
|
|
iEventTypes[i] = v
|
|
}
|
|
iStateKeys := make([]interface{}, len(stateKeys))
|
|
for i, v := range stateKeys {
|
|
iStateKeys[i] = v
|
|
}
|
|
|
|
var query string
|
|
var args []interface{}
|
|
if hasWildcards && allowWildcards {
|
|
query = strings.Replace(selectBulkStateContentWildSQL, "($1)", sqlutil.QueryVariadic(len(iRoomIDs)), 1)
|
|
query = strings.Replace(query, "($2)", sqlutil.QueryVariadicOffset(len(iEventTypes), len(iRoomIDs)), 1)
|
|
args = append(iRoomIDs, iEventTypes...)
|
|
} else {
|
|
query = strings.Replace(selectBulkStateContentSQL, "($1)", sqlutil.QueryVariadic(len(iRoomIDs)), 1)
|
|
query = strings.Replace(query, "($2)", sqlutil.QueryVariadicOffset(len(iEventTypes), len(iRoomIDs)), 1)
|
|
query = strings.Replace(query, "($3)", sqlutil.QueryVariadicOffset(len(iStateKeys), len(iEventTypes)+len(iRoomIDs)), 1)
|
|
args = append(iRoomIDs, iEventTypes...)
|
|
args = append(args, iStateKeys...)
|
|
}
|
|
rows, err := s.db.QueryContext(ctx, query, args...)
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
strippedEvents := []tables.StrippedEvent{}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "SelectBulkStateContent: rows.close() failed")
|
|
for rows.Next() {
|
|
var roomID string
|
|
var eventType string
|
|
var stateKey string
|
|
var contentVal string
|
|
if err = rows.Scan(&roomID, &eventType, &stateKey, &contentVal); err != nil {
|
|
return nil, err
|
|
}
|
|
strippedEvents = append(strippedEvents, tables.StrippedEvent{
|
|
RoomID: roomID,
|
|
ContentValue: contentVal,
|
|
EventType: eventType,
|
|
StateKey: stateKey,
|
|
})
|
|
}
|
|
return strippedEvents, rows.Err()
|
|
}
|