mirror of
https://github.com/matrix-org/dendrite
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32bf14a37c
* Add querying device keys Makes a bunch of sytests pass * Apparently only the current version supports uploading keys * Linting
174 lines
6.2 KiB
Go
174 lines
6.2 KiB
Go
// Copyright 2021 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package postgres
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import (
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"context"
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"database/sql"
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"encoding/json"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/userapi/api"
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)
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const keyBackupTableSchema = `
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CREATE TABLE IF NOT EXISTS account_e2e_room_keys (
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user_id TEXT NOT NULL,
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room_id TEXT NOT NULL,
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session_id TEXT NOT NULL,
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version TEXT NOT NULL,
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first_message_index INTEGER NOT NULL,
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forwarded_count INTEGER NOT NULL,
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is_verified BOOLEAN NOT NULL,
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session_data TEXT NOT NULL
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);
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CREATE UNIQUE INDEX IF NOT EXISTS e2e_room_keys_idx ON account_e2e_room_keys(user_id, room_id, session_id, version);
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CREATE UNIQUE INDEX IF NOT EXISTS e2e_room_keys_versions_idx ON account_e2e_room_keys(user_id, version);
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`
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const insertBackupKeySQL = "" +
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"INSERT INTO account_e2e_room_keys(user_id, room_id, session_id, version, first_message_index, forwarded_count, is_verified, session_data) " +
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"VALUES ($1, $2, $3, $4, $5, $6, $7, $8)"
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const updateBackupKeySQL = "" +
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"UPDATE account_e2e_room_keys SET first_message_index=$1, forwarded_count=$2, is_verified=$3, session_data=$4 " +
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"WHERE user_id=$5 AND room_id=$6 AND session_id=$7 AND version=$8"
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const countKeysSQL = "" +
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"SELECT COUNT(*) FROM account_e2e_room_keys WHERE user_id = $1 AND version = $2"
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const selectKeysSQL = "" +
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"SELECT room_id, session_id, first_message_index, forwarded_count, is_verified, session_data FROM account_e2e_room_keys " +
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"WHERE user_id = $1 AND version = $2"
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const selectKeysByRoomIDSQL = "" +
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"SELECT room_id, session_id, first_message_index, forwarded_count, is_verified, session_data FROM account_e2e_room_keys " +
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"WHERE user_id = $1 AND version = $2 AND room_id = $3"
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const selectKeysByRoomIDAndSessionIDSQL = "" +
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"SELECT room_id, session_id, first_message_index, forwarded_count, is_verified, session_data FROM account_e2e_room_keys " +
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"WHERE user_id = $1 AND version = $2 AND room_id = $3 AND session_id = $4"
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type keyBackupStatements struct {
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insertBackupKeyStmt *sql.Stmt
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updateBackupKeyStmt *sql.Stmt
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countKeysStmt *sql.Stmt
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selectKeysStmt *sql.Stmt
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selectKeysByRoomIDStmt *sql.Stmt
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selectKeysByRoomIDAndSessionIDStmt *sql.Stmt
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}
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func (s *keyBackupStatements) prepare(db *sql.DB) (err error) {
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_, err = db.Exec(keyBackupTableSchema)
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if err != nil {
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return
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}
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if s.insertBackupKeyStmt, err = db.Prepare(insertBackupKeySQL); err != nil {
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return
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}
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if s.updateBackupKeyStmt, err = db.Prepare(updateBackupKeySQL); err != nil {
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return
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}
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if s.countKeysStmt, err = db.Prepare(countKeysSQL); err != nil {
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return
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}
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if s.selectKeysStmt, err = db.Prepare(selectKeysSQL); err != nil {
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return
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}
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if s.selectKeysByRoomIDStmt, err = db.Prepare(selectKeysByRoomIDSQL); err != nil {
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return
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}
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if s.selectKeysByRoomIDAndSessionIDStmt, err = db.Prepare(selectKeysByRoomIDAndSessionIDSQL); err != nil {
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return
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}
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return
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}
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func (s keyBackupStatements) countKeys(
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ctx context.Context, txn *sql.Tx, userID, version string,
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) (count int64, err error) {
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err = txn.Stmt(s.countKeysStmt).QueryRowContext(ctx, userID, version).Scan(&count)
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return
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}
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func (s *keyBackupStatements) insertBackupKey(
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ctx context.Context, txn *sql.Tx, userID, version string, key api.InternalKeyBackupSession,
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) (err error) {
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_, err = txn.Stmt(s.insertBackupKeyStmt).ExecContext(
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ctx, userID, key.RoomID, key.SessionID, version, key.FirstMessageIndex, key.ForwardedCount, key.IsVerified, string(key.SessionData),
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)
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return
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}
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func (s *keyBackupStatements) updateBackupKey(
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ctx context.Context, txn *sql.Tx, userID, version string, key api.InternalKeyBackupSession,
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) (err error) {
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_, err = txn.Stmt(s.updateBackupKeyStmt).ExecContext(
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ctx, key.FirstMessageIndex, key.ForwardedCount, key.IsVerified, string(key.SessionData), userID, key.RoomID, key.SessionID, version,
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)
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return
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}
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func (s *keyBackupStatements) selectKeys(
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ctx context.Context, txn *sql.Tx, userID, version string,
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) (map[string]map[string]api.KeyBackupSession, error) {
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rows, err := txn.Stmt(s.selectKeysStmt).QueryContext(ctx, userID, version)
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if err != nil {
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return nil, err
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}
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return unpackKeys(ctx, rows)
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}
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func (s *keyBackupStatements) selectKeysByRoomID(
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ctx context.Context, txn *sql.Tx, userID, version, roomID string,
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) (map[string]map[string]api.KeyBackupSession, error) {
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rows, err := txn.Stmt(s.selectKeysByRoomIDStmt).QueryContext(ctx, userID, version, roomID)
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if err != nil {
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return nil, err
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}
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return unpackKeys(ctx, rows)
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}
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func (s *keyBackupStatements) selectKeysByRoomIDAndSessionID(
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ctx context.Context, txn *sql.Tx, userID, version, roomID, sessionID string,
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) (map[string]map[string]api.KeyBackupSession, error) {
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rows, err := txn.Stmt(s.selectKeysByRoomIDAndSessionIDStmt).QueryContext(ctx, userID, version, roomID, sessionID)
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if err != nil {
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return nil, err
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}
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return unpackKeys(ctx, rows)
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}
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func unpackKeys(ctx context.Context, rows *sql.Rows) (map[string]map[string]api.KeyBackupSession, error) {
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result := make(map[string]map[string]api.KeyBackupSession)
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defer internal.CloseAndLogIfError(ctx, rows, "selectKeysStmt.Close failed")
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for rows.Next() {
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var key api.InternalKeyBackupSession
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// room_id, session_id, first_message_index, forwarded_count, is_verified, session_data
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var sessionDataStr string
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if err := rows.Scan(&key.RoomID, &key.SessionID, &key.FirstMessageIndex, &key.ForwardedCount, &key.IsVerified, &sessionDataStr); err != nil {
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return nil, err
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}
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key.SessionData = json.RawMessage(sessionDataStr)
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roomData := result[key.RoomID]
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if roomData == nil {
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roomData = make(map[string]api.KeyBackupSession)
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}
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roomData[key.SessionID] = key.KeyBackupSession
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result[key.RoomID] = roomData
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}
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return result, nil
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}
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