601 lines
23 KiB
JavaScript
601 lines
23 KiB
JavaScript
"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.IndexedDBCryptoStore = void 0;
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var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
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var _logger = require("../../logger");
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var _localStorageCryptoStore = require("./localStorage-crypto-store");
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var _memoryCryptoStore = require("./memory-crypto-store");
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var IndexedDBCryptoStoreBackend = _interopRequireWildcard(require("./indexeddb-crypto-store-backend"));
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var _errors = require("../../errors");
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var IndexedDBHelpers = _interopRequireWildcard(require("../../indexeddb-helpers"));
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function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
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function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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/*
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Copyright 2017 - 2021 The Matrix.org Foundation C.I.C.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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/**
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* Internal module. indexeddb storage for e2e.
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*/
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/**
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* An implementation of CryptoStore, which is normally backed by an indexeddb,
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* but with fallback to MemoryCryptoStore.
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*/
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class IndexedDBCryptoStore {
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static exists(indexedDB, dbName) {
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return IndexedDBHelpers.exists(indexedDB, dbName);
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}
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/**
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* Create a new IndexedDBCryptoStore
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*
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* @param indexedDB - global indexedDB instance
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* @param dbName - name of db to connect to
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*/
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constructor(indexedDB, dbName) {
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this.indexedDB = indexedDB;
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this.dbName = dbName;
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(0, _defineProperty2.default)(this, "backendPromise", void 0);
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(0, _defineProperty2.default)(this, "backend", void 0);
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}
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/**
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* Ensure the database exists and is up-to-date, or fall back to
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* a local storage or in-memory store.
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*
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* This must be called before the store can be used.
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*
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* @returns resolves to either an IndexedDBCryptoStoreBackend.Backend,
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* or a MemoryCryptoStore
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*/
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startup() {
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if (this.backendPromise) {
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return this.backendPromise;
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}
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this.backendPromise = new Promise((resolve, reject) => {
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if (!this.indexedDB) {
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reject(new Error("no indexeddb support available"));
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return;
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}
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_logger.logger.log(`connecting to indexeddb ${this.dbName}`);
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const req = this.indexedDB.open(this.dbName, IndexedDBCryptoStoreBackend.VERSION);
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req.onupgradeneeded = ev => {
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const db = req.result;
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const oldVersion = ev.oldVersion;
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IndexedDBCryptoStoreBackend.upgradeDatabase(db, oldVersion);
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};
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req.onblocked = () => {
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_logger.logger.log(`can't yet open IndexedDBCryptoStore because it is open elsewhere`);
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};
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req.onerror = ev => {
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_logger.logger.log("Error connecting to indexeddb", ev);
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reject(req.error);
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};
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req.onsuccess = () => {
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const db = req.result;
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_logger.logger.log(`connected to indexeddb ${this.dbName}`);
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resolve(new IndexedDBCryptoStoreBackend.Backend(db));
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};
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}).then(backend => {
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// Edge has IndexedDB but doesn't support compund keys which we use fairly extensively.
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// Try a dummy query which will fail if the browser doesn't support compund keys, so
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// we can fall back to a different backend.
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return backend.doTxn("readonly", [IndexedDBCryptoStore.STORE_INBOUND_GROUP_SESSIONS, IndexedDBCryptoStore.STORE_INBOUND_GROUP_SESSIONS_WITHHELD], txn => {
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backend.getEndToEndInboundGroupSession("", "", txn, () => {});
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}).then(() => backend);
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}).catch(e => {
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if (e.name === "VersionError") {
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_logger.logger.warn("Crypto DB is too new for us to use!", e);
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// don't fall back to a different store: the user has crypto data
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// in this db so we should use it or nothing at all.
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throw new _errors.InvalidCryptoStoreError(_errors.InvalidCryptoStoreState.TooNew);
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}
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_logger.logger.warn(`unable to connect to indexeddb ${this.dbName}` + `: falling back to localStorage store: ${e}`);
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try {
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return new _localStorageCryptoStore.LocalStorageCryptoStore(global.localStorage);
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} catch (e) {
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_logger.logger.warn(`unable to open localStorage: falling back to in-memory store: ${e}`);
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return new _memoryCryptoStore.MemoryCryptoStore();
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}
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}).then(backend => {
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this.backend = backend;
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return backend;
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});
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return this.backendPromise;
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}
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/**
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* Delete all data from this store.
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*
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* @returns resolves when the store has been cleared.
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*/
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deleteAllData() {
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return new Promise((resolve, reject) => {
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if (!this.indexedDB) {
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reject(new Error("no indexeddb support available"));
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return;
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}
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_logger.logger.log(`Removing indexeddb instance: ${this.dbName}`);
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const req = this.indexedDB.deleteDatabase(this.dbName);
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req.onblocked = () => {
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_logger.logger.log(`can't yet delete IndexedDBCryptoStore because it is open elsewhere`);
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};
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req.onerror = ev => {
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_logger.logger.log("Error deleting data from indexeddb", ev);
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reject(req.error);
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};
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req.onsuccess = () => {
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_logger.logger.log(`Removed indexeddb instance: ${this.dbName}`);
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resolve();
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};
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}).catch(e => {
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// in firefox, with indexedDB disabled, this fails with a
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// DOMError. We treat this as non-fatal, so that people can
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// still use the app.
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_logger.logger.warn(`unable to delete IndexedDBCryptoStore: ${e}`);
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});
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}
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/**
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* Look for an existing outgoing room key request, and if none is found,
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* add a new one
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*
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*
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* @returns resolves to
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* {@link OutgoingRoomKeyRequest}: either the
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* same instance as passed in, or the existing one.
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*/
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getOrAddOutgoingRoomKeyRequest(request) {
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return this.backend.getOrAddOutgoingRoomKeyRequest(request);
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}
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/**
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* Look for an existing room key request
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*
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* @param requestBody - existing request to look for
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*
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* @returns resolves to the matching
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* {@link OutgoingRoomKeyRequest}, or null if
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* not found
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*/
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getOutgoingRoomKeyRequest(requestBody) {
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return this.backend.getOutgoingRoomKeyRequest(requestBody);
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}
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/**
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* Look for room key requests by state
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*
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* @param wantedStates - list of acceptable states
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*
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* @returns resolves to the a
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* {@link OutgoingRoomKeyRequest}, or null if
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* there are no pending requests in those states. If there are multiple
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* requests in those states, an arbitrary one is chosen.
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*/
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getOutgoingRoomKeyRequestByState(wantedStates) {
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return this.backend.getOutgoingRoomKeyRequestByState(wantedStates);
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}
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/**
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* Look for room key requests by state –
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* unlike above, return a list of all entries in one state.
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*
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* @returns Returns an array of requests in the given state
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*/
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getAllOutgoingRoomKeyRequestsByState(wantedState) {
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return this.backend.getAllOutgoingRoomKeyRequestsByState(wantedState);
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}
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/**
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* Look for room key requests by target device and state
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*
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* @param userId - Target user ID
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* @param deviceId - Target device ID
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* @param wantedStates - list of acceptable states
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*
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* @returns resolves to a list of all the
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* {@link OutgoingRoomKeyRequest}
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*/
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getOutgoingRoomKeyRequestsByTarget(userId, deviceId, wantedStates) {
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return this.backend.getOutgoingRoomKeyRequestsByTarget(userId, deviceId, wantedStates);
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}
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/**
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* Look for an existing room key request by id and state, and update it if
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* found
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*
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* @param requestId - ID of request to update
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* @param expectedState - state we expect to find the request in
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* @param updates - name/value map of updates to apply
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*
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* @returns resolves to
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* {@link OutgoingRoomKeyRequest}
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* updated request, or null if no matching row was found
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*/
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updateOutgoingRoomKeyRequest(requestId, expectedState, updates) {
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return this.backend.updateOutgoingRoomKeyRequest(requestId, expectedState, updates);
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}
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/**
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* Look for an existing room key request by id and state, and delete it if
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* found
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*
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* @param requestId - ID of request to update
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* @param expectedState - state we expect to find the request in
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*
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* @returns resolves once the operation is completed
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*/
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deleteOutgoingRoomKeyRequest(requestId, expectedState) {
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return this.backend.deleteOutgoingRoomKeyRequest(requestId, expectedState);
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}
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// Olm Account
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/*
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* Get the account pickle from the store.
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* This requires an active transaction. See doTxn().
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*
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* @param txn - An active transaction. See doTxn().
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* @param func - Called with the account pickle
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*/
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getAccount(txn, func) {
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this.backend.getAccount(txn, func);
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}
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/**
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* Write the account pickle to the store.
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* This requires an active transaction. See doTxn().
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*
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* @param txn - An active transaction. See doTxn().
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* @param accountPickle - The new account pickle to store.
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*/
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storeAccount(txn, accountPickle) {
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this.backend.storeAccount(txn, accountPickle);
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}
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/**
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* Get the public part of the cross-signing keys (eg. self-signing key,
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* user signing key).
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*
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* @param txn - An active transaction. See doTxn().
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* @param func - Called with the account keys object:
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* `{ key_type: base64 encoded seed }` where key type = user_signing_key_seed or self_signing_key_seed
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*/
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getCrossSigningKeys(txn, func) {
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this.backend.getCrossSigningKeys(txn, func);
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}
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/**
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* @param txn - An active transaction. See doTxn().
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* @param func - Called with the private key
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* @param type - A key type
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*/
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getSecretStorePrivateKey(txn, func, type) {
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this.backend.getSecretStorePrivateKey(txn, func, type);
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}
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/**
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* Write the cross-signing keys back to the store
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*
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* @param txn - An active transaction. See doTxn().
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* @param keys - keys object as getCrossSigningKeys()
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*/
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storeCrossSigningKeys(txn, keys) {
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this.backend.storeCrossSigningKeys(txn, keys);
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}
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/**
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* Write the cross-signing private keys back to the store
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*
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* @param txn - An active transaction. See doTxn().
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* @param type - The type of cross-signing private key to store
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* @param key - keys object as getCrossSigningKeys()
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*/
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storeSecretStorePrivateKey(txn, type, key) {
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this.backend.storeSecretStorePrivateKey(txn, type, key);
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}
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// Olm sessions
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/**
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* Returns the number of end-to-end sessions in the store
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* @param txn - An active transaction. See doTxn().
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* @param func - Called with the count of sessions
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*/
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countEndToEndSessions(txn, func) {
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this.backend.countEndToEndSessions(txn, func);
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}
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/**
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* Retrieve a specific end-to-end session between the logged-in user
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* and another device.
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* @param deviceKey - The public key of the other device.
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* @param sessionId - The ID of the session to retrieve
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* @param txn - An active transaction. See doTxn().
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* @param func - Called with A map from sessionId
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* to session information object with 'session' key being the
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* Base64 end-to-end session and lastReceivedMessageTs being the
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* timestamp in milliseconds at which the session last received
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* a message.
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*/
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getEndToEndSession(deviceKey, sessionId, txn, func) {
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this.backend.getEndToEndSession(deviceKey, sessionId, txn, func);
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}
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/**
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* Retrieve the end-to-end sessions between the logged-in user and another
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* device.
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* @param deviceKey - The public key of the other device.
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* @param txn - An active transaction. See doTxn().
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* @param func - Called with A map from sessionId
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* to session information object with 'session' key being the
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* Base64 end-to-end session and lastReceivedMessageTs being the
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* timestamp in milliseconds at which the session last received
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* a message.
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*/
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getEndToEndSessions(deviceKey, txn, func) {
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this.backend.getEndToEndSessions(deviceKey, txn, func);
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}
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/**
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* Retrieve all end-to-end sessions
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* @param txn - An active transaction. See doTxn().
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* @param func - Called one for each session with
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* an object with, deviceKey, lastReceivedMessageTs, sessionId
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* and session keys.
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*/
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getAllEndToEndSessions(txn, func) {
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this.backend.getAllEndToEndSessions(txn, func);
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}
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/**
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* Store a session between the logged-in user and another device
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* @param deviceKey - The public key of the other device.
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* @param sessionId - The ID for this end-to-end session.
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* @param sessionInfo - Session information object
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* @param txn - An active transaction. See doTxn().
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*/
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storeEndToEndSession(deviceKey, sessionId, sessionInfo, txn) {
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this.backend.storeEndToEndSession(deviceKey, sessionId, sessionInfo, txn);
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}
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storeEndToEndSessionProblem(deviceKey, type, fixed) {
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return this.backend.storeEndToEndSessionProblem(deviceKey, type, fixed);
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}
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getEndToEndSessionProblem(deviceKey, timestamp) {
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return this.backend.getEndToEndSessionProblem(deviceKey, timestamp);
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}
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filterOutNotifiedErrorDevices(devices) {
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return this.backend.filterOutNotifiedErrorDevices(devices);
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}
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// Inbound group sessions
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/**
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* Retrieve the end-to-end inbound group session for a given
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* server key and session ID
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* @param senderCurve25519Key - The sender's curve 25519 key
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* @param sessionId - The ID of the session
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* @param txn - An active transaction. See doTxn().
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* @param func - Called with A map from sessionId
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* to Base64 end-to-end session.
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*/
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getEndToEndInboundGroupSession(senderCurve25519Key, sessionId, txn, func) {
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this.backend.getEndToEndInboundGroupSession(senderCurve25519Key, sessionId, txn, func);
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}
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/**
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* Fetches all inbound group sessions in the store
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* @param txn - An active transaction. See doTxn().
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* @param func - Called once for each group session
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* in the store with an object having keys `{senderKey, sessionId, sessionData}`,
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* then once with null to indicate the end of the list.
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*/
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getAllEndToEndInboundGroupSessions(txn, func) {
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this.backend.getAllEndToEndInboundGroupSessions(txn, func);
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}
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/**
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* Adds an end-to-end inbound group session to the store.
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* If there already exists an inbound group session with the same
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* senderCurve25519Key and sessionID, the session will not be added.
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* @param senderCurve25519Key - The sender's curve 25519 key
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* @param sessionId - The ID of the session
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* @param sessionData - The session data structure
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* @param txn - An active transaction. See doTxn().
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*/
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addEndToEndInboundGroupSession(senderCurve25519Key, sessionId, sessionData, txn) {
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this.backend.addEndToEndInboundGroupSession(senderCurve25519Key, sessionId, sessionData, txn);
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}
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/**
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* Writes an end-to-end inbound group session to the store.
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* If there already exists an inbound group session with the same
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* senderCurve25519Key and sessionID, it will be overwritten.
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* @param senderCurve25519Key - The sender's curve 25519 key
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* @param sessionId - The ID of the session
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* @param sessionData - The session data structure
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* @param txn - An active transaction. See doTxn().
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*/
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storeEndToEndInboundGroupSession(senderCurve25519Key, sessionId, sessionData, txn) {
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this.backend.storeEndToEndInboundGroupSession(senderCurve25519Key, sessionId, sessionData, txn);
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}
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storeEndToEndInboundGroupSessionWithheld(senderCurve25519Key, sessionId, sessionData, txn) {
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this.backend.storeEndToEndInboundGroupSessionWithheld(senderCurve25519Key, sessionId, sessionData, txn);
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}
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// End-to-end device tracking
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/**
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* Store the state of all tracked devices
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* This contains devices for each user, a tracking state for each user
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* and a sync token matching the point in time the snapshot represents.
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* These all need to be written out in full each time such that the snapshot
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* is always consistent, so they are stored in one object.
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*
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* @param txn - An active transaction. See doTxn().
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*/
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storeEndToEndDeviceData(deviceData, txn) {
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this.backend.storeEndToEndDeviceData(deviceData, txn);
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}
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/**
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* Get the state of all tracked devices
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*
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* @param txn - An active transaction. See doTxn().
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* @param func - Function called with the
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* device data
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*/
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getEndToEndDeviceData(txn, func) {
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this.backend.getEndToEndDeviceData(txn, func);
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}
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// End to End Rooms
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/**
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* Store the end-to-end state for a room.
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* @param roomId - The room's ID.
|
||
* @param roomInfo - The end-to-end info for the room.
|
||
* @param txn - An active transaction. See doTxn().
|
||
*/
|
||
storeEndToEndRoom(roomId, roomInfo, txn) {
|
||
this.backend.storeEndToEndRoom(roomId, roomInfo, txn);
|
||
}
|
||
|
||
/**
|
||
* Get an object of `roomId->roomInfo` for all e2e rooms in the store
|
||
* @param txn - An active transaction. See doTxn().
|
||
* @param func - Function called with the end-to-end encrypted rooms
|
||
*/
|
||
getEndToEndRooms(txn, func) {
|
||
this.backend.getEndToEndRooms(txn, func);
|
||
}
|
||
|
||
// session backups
|
||
|
||
/**
|
||
* Get the inbound group sessions that need to be backed up.
|
||
* @param limit - The maximum number of sessions to retrieve. 0
|
||
* for no limit.
|
||
* @returns resolves to an array of inbound group sessions
|
||
*/
|
||
getSessionsNeedingBackup(limit) {
|
||
return this.backend.getSessionsNeedingBackup(limit);
|
||
}
|
||
|
||
/**
|
||
* Count the inbound group sessions that need to be backed up.
|
||
* @param txn - An active transaction. See doTxn(). (optional)
|
||
* @returns resolves to the number of sessions
|
||
*/
|
||
countSessionsNeedingBackup(txn) {
|
||
return this.backend.countSessionsNeedingBackup(txn);
|
||
}
|
||
|
||
/**
|
||
* Unmark sessions as needing to be backed up.
|
||
* @param sessions - The sessions that need to be backed up.
|
||
* @param txn - An active transaction. See doTxn(). (optional)
|
||
* @returns resolves when the sessions are unmarked
|
||
*/
|
||
unmarkSessionsNeedingBackup(sessions, txn) {
|
||
return this.backend.unmarkSessionsNeedingBackup(sessions, txn);
|
||
}
|
||
|
||
/**
|
||
* Mark sessions as needing to be backed up.
|
||
* @param sessions - The sessions that need to be backed up.
|
||
* @param txn - An active transaction. See doTxn(). (optional)
|
||
* @returns resolves when the sessions are marked
|
||
*/
|
||
markSessionsNeedingBackup(sessions, txn) {
|
||
return this.backend.markSessionsNeedingBackup(sessions, txn);
|
||
}
|
||
|
||
/**
|
||
* Add a shared-history group session for a room.
|
||
* @param roomId - The room that the key belongs to
|
||
* @param senderKey - The sender's curve 25519 key
|
||
* @param sessionId - The ID of the session
|
||
* @param txn - An active transaction. See doTxn(). (optional)
|
||
*/
|
||
addSharedHistoryInboundGroupSession(roomId, senderKey, sessionId, txn) {
|
||
this.backend.addSharedHistoryInboundGroupSession(roomId, senderKey, sessionId, txn);
|
||
}
|
||
|
||
/**
|
||
* Get the shared-history group session for a room.
|
||
* @param roomId - The room that the key belongs to
|
||
* @param txn - An active transaction. See doTxn(). (optional)
|
||
* @returns Promise which resolves to an array of [senderKey, sessionId]
|
||
*/
|
||
getSharedHistoryInboundGroupSessions(roomId, txn) {
|
||
return this.backend.getSharedHistoryInboundGroupSessions(roomId, txn);
|
||
}
|
||
|
||
/**
|
||
* Park a shared-history group session for a room we may be invited to later.
|
||
*/
|
||
addParkedSharedHistory(roomId, parkedData, txn) {
|
||
this.backend.addParkedSharedHistory(roomId, parkedData, txn);
|
||
}
|
||
|
||
/**
|
||
* Pop out all shared-history group sessions for a room.
|
||
*/
|
||
takeParkedSharedHistory(roomId, txn) {
|
||
return this.backend.takeParkedSharedHistory(roomId, txn);
|
||
}
|
||
|
||
/**
|
||
* Perform a transaction on the crypto store. Any store methods
|
||
* that require a transaction (txn) object to be passed in may
|
||
* only be called within a callback of either this function or
|
||
* one of the store functions operating on the same transaction.
|
||
*
|
||
* @param mode - 'readwrite' if you need to call setter
|
||
* functions with this transaction. Otherwise, 'readonly'.
|
||
* @param stores - List IndexedDBCryptoStore.STORE_*
|
||
* options representing all types of object that will be
|
||
* accessed or written to with this transaction.
|
||
* @param func - Function called with the
|
||
* transaction object: an opaque object that should be passed
|
||
* to store functions.
|
||
* @param log - A possibly customised log
|
||
* @returns Promise that resolves with the result of the `func`
|
||
* when the transaction is complete. If the backend is
|
||
* async (ie. the indexeddb backend) any of the callback
|
||
* functions throwing an exception will cause this promise to
|
||
* reject with that exception. On synchronous backends, the
|
||
* exception will propagate to the caller of the getFoo method.
|
||
*/
|
||
doTxn(mode, stores, func, log) {
|
||
return this.backend.doTxn(mode, stores, func, log);
|
||
}
|
||
}
|
||
exports.IndexedDBCryptoStore = IndexedDBCryptoStore;
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_ACCOUNT", "account");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_SESSIONS", "sessions");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_INBOUND_GROUP_SESSIONS", "inbound_group_sessions");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_INBOUND_GROUP_SESSIONS_WITHHELD", "inbound_group_sessions_withheld");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_SHARED_HISTORY_INBOUND_GROUP_SESSIONS", "shared_history_inbound_group_sessions");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_PARKED_SHARED_HISTORY", "parked_shared_history");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_DEVICE_DATA", "device_data");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_ROOMS", "rooms");
|
||
(0, _defineProperty2.default)(IndexedDBCryptoStore, "STORE_BACKUP", "sessions_needing_backup");
|
||
//# sourceMappingURL=indexeddb-crypto-store.js.map
|