716 lines
22 KiB
TypeScript
716 lines
22 KiB
TypeScript
import { debounce, reduce, uniq, without } from 'lodash';
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import dataInterface from './sql/Client';
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import {
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ConversationModelCollectionType,
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WhatIsThis,
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ConversationAttributesTypeType,
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} from './model-types.d';
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import { SendOptionsType, CallbackResultType } from './textsecure/SendMessage';
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import { ConversationModel } from './models/conversations';
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const MAX_MESSAGE_BODY_LENGTH = 64 * 1024;
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const {
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getAllConversations,
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getAllGroupsInvolvingId,
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getMessagesBySentAt,
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migrateConversationMessages,
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removeConversation,
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saveConversation,
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updateConversation,
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} = dataInterface;
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// We have to run this in background.js, after all backbone models and collections on
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// Whisper.* have been created. Once those are in typescript we can use more reasonable
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// require statements for referencing these things, giving us more flexibility here.
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export function start(): void {
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const conversations = new window.Whisper.ConversationCollection();
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// This class is entirely designed to keep the app title, badge and tray icon updated.
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// In the future it could listen to redux changes and do its updates there.
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const inboxCollection = new (window.Backbone.Collection.extend({
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initialize() {
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this.listenTo(conversations, 'add change:active_at', this.addActive);
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this.listenTo(conversations, 'reset', () => this.reset([]));
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const debouncedUpdateUnreadCount = debounce(
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this.updateUnreadCount.bind(this),
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1000
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);
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this.on('add remove change:unreadCount', debouncedUpdateUnreadCount);
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window.Whisper.events.on('updateUnreadCount', debouncedUpdateUnreadCount);
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},
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addActive(model: ConversationModel) {
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if (model.get('active_at')) {
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this.add(model);
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} else {
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this.remove(model);
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}
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},
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updateUnreadCount() {
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const canCountMutedConversations = window.storage.get(
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'badge-count-muted-conversations'
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);
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const newUnreadCount = reduce(
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this.map((m: ConversationModel) =>
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!canCountMutedConversations && m.isMuted() ? 0 : m.get('unreadCount')
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),
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(item: number, memo: number) => (item || 0) + memo,
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0
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);
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window.storage.put('unreadCount', newUnreadCount);
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if (newUnreadCount > 0) {
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window.setBadgeCount(newUnreadCount);
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window.document.title = `${window.getTitle()} (${newUnreadCount})`;
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} else {
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window.setBadgeCount(0);
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window.document.title = window.getTitle();
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}
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window.updateTrayIcon(newUnreadCount);
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},
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}))();
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window.getInboxCollection = () => inboxCollection;
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window.getConversations = () => conversations;
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window.ConversationController = new ConversationController(conversations);
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}
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export class ConversationController {
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_initialFetchComplete: boolean | undefined;
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_initialPromise: Promise<void> = Promise.resolve();
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_conversations: ConversationModelCollectionType;
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constructor(conversations?: ConversationModelCollectionType) {
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if (!conversations) {
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throw new Error('ConversationController: need conversation collection!');
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}
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this._conversations = conversations;
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}
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get(id?: string | null): ConversationModel | undefined {
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if (!this._initialFetchComplete) {
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throw new Error(
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'ConversationController.get() needs complete initial fetch'
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);
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}
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// This function takes null just fine. Backbone typings are too restrictive.
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return this._conversations.get(id as string);
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}
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dangerouslyCreateAndAdd(
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attributes: Partial<ConversationModel>
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): ConversationModel {
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return this._conversations.add(attributes);
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}
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getOrCreate(
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identifier: string | null,
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type: ConversationAttributesTypeType,
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additionalInitialProps = {}
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): ConversationModel {
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if (typeof identifier !== 'string') {
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throw new TypeError("'id' must be a string");
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}
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if (type !== 'private' && type !== 'group') {
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throw new TypeError(
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`'type' must be 'private' or 'group'; got: '${type}'`
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);
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}
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if (!this._initialFetchComplete) {
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throw new Error(
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'ConversationController.get() needs complete initial fetch'
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);
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}
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let conversation = this._conversations.get(identifier);
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if (conversation) {
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return conversation;
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}
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const id = window.getGuid();
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if (type === 'group') {
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conversation = this._conversations.add({
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id,
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uuid: null,
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e164: null,
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groupId: identifier,
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type,
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version: 2,
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...additionalInitialProps,
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});
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} else if (window.isValidGuid(identifier)) {
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conversation = this._conversations.add({
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id,
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uuid: identifier,
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e164: null,
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groupId: null,
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type,
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version: 2,
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...additionalInitialProps,
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});
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} else {
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conversation = this._conversations.add({
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id,
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uuid: null,
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e164: identifier,
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groupId: null,
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type,
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version: 2,
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...additionalInitialProps,
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});
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}
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const create = async () => {
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if (!conversation.isValid()) {
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const validationError = conversation.validationError || {};
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window.log.error(
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'Contact is not valid. Not saving, but adding to collection:',
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conversation.idForLogging(),
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validationError.stack
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);
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return conversation;
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}
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try {
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await saveConversation(conversation.attributes);
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} catch (error) {
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window.log.error(
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'Conversation save failed! ',
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identifier,
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type,
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'Error:',
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error && error.stack ? error.stack : error
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);
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throw error;
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}
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return conversation;
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};
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conversation.initialPromise = create();
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return conversation;
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}
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async getOrCreateAndWait(
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id: string | null,
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type: ConversationAttributesTypeType,
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additionalInitialProps = {}
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): Promise<ConversationModel> {
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await this._initialPromise;
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const conversation = this.getOrCreate(id, type, additionalInitialProps);
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if (conversation) {
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await conversation.initialPromise;
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return conversation;
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}
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throw new Error('getOrCreateAndWait: did not get conversation');
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}
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getConversationId(address: string | null): string | null {
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if (!address) {
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return null;
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}
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const [id] = window.textsecure.utils.unencodeNumber(address);
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const conv = this.get(id);
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if (conv) {
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return conv.get('id');
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}
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return null;
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}
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getOurConversationId(): string | undefined {
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const e164 = window.textsecure.storage.user.getNumber();
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const uuid = window.textsecure.storage.user.getUuid();
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return this.ensureContactIds({ e164, uuid, highTrust: true });
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}
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/**
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* Given a UUID and/or an E164, resolves to a string representing the local
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* database id of the given contact. In high trust mode, it may create new contacts,
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* and it may merge contacts.
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*
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* highTrust = uuid/e164 pairing came from CDS, the server, or your own device
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*/
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ensureContactIds({
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e164,
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uuid,
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highTrust,
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}: {
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e164?: string | null;
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uuid?: string | null;
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highTrust?: boolean;
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}): string | undefined {
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// Check for at least one parameter being provided. This is necessary
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// because this path can be called on startup to resolve our own ID before
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// our phone number or UUID are known. The existing behavior in these
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// cases can handle a returned `undefined` id, so we do that.
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const normalizedUuid = uuid ? uuid.toLowerCase() : undefined;
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const identifier = normalizedUuid || e164;
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if ((!e164 && !uuid) || !identifier) {
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return undefined;
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}
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const convoE164 = this.get(e164);
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const convoUuid = this.get(normalizedUuid);
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// 1. Handle no match at all
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if (!convoE164 && !convoUuid) {
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window.log.info(
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'ensureContactIds: Creating new contact, no matches found'
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);
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const newConvo = this.getOrCreate(identifier, 'private');
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if (highTrust && e164) {
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newConvo.updateE164(e164);
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}
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if (normalizedUuid) {
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newConvo.updateUuid(normalizedUuid);
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}
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if (highTrust && e164 && normalizedUuid) {
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updateConversation(newConvo.attributes);
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}
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return newConvo.get('id');
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// 2. Handle match on only E164
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}
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if (convoE164 && !convoUuid) {
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const haveUuid = Boolean(normalizedUuid);
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window.log.info(
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`ensureContactIds: e164-only match found (have UUID: ${haveUuid})`
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);
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// If we are only searching based on e164 anyway, then return the first result
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if (!normalizedUuid) {
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return convoE164.get('id');
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}
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// Fill in the UUID for an e164-only contact
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if (normalizedUuid && !convoE164.get('uuid')) {
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if (highTrust) {
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window.log.info('ensureContactIds: Adding UUID to e164-only match');
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convoE164.updateUuid(normalizedUuid);
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updateConversation(convoE164.attributes);
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}
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return convoE164.get('id');
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}
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window.log.info(
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'ensureContactIds: e164 already had UUID, creating a new contact'
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);
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// If existing e164 match already has UUID, create a new contact...
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const newConvo = this.getOrCreate(normalizedUuid, 'private');
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if (highTrust) {
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window.log.info(
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'ensureContactIds: Moving e164 from old contact to new'
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);
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// Remove the e164 from the old contact...
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convoE164.set({ e164: undefined });
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updateConversation(convoE164.attributes);
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// ...and add it to the new one.
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newConvo.updateE164(e164);
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updateConversation(newConvo.attributes);
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}
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return newConvo.get('id');
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// 3. Handle match on only UUID
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}
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if (!convoE164 && convoUuid) {
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window.log.info(
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`ensureContactIds: UUID-only match found (have e164: ${Boolean(e164)})`
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);
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if (e164 && highTrust) {
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convoUuid.updateE164(e164);
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updateConversation(convoUuid.attributes);
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}
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return convoUuid.get('id');
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}
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// For some reason, TypeScript doesn't believe that we can trust that these two values
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// are truthy by this point. So we'll throw if we get there.
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if (!convoE164 || !convoUuid) {
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throw new Error('ensureContactIds: convoE164 or convoUuid are falsey!');
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}
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// Now, we know that we have a match for both e164 and uuid checks
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if (convoE164 === convoUuid) {
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return convoUuid.get('id');
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}
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if (highTrust) {
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// Conflict: If e164 match already has a UUID, we remove its e164.
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if (convoE164.get('uuid') && convoE164.get('uuid') !== normalizedUuid) {
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window.log.info(
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'ensureContactIds: e164 match had different UUID than incoming pair, removing its e164.'
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);
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// Remove the e164 from the old contact...
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convoE164.set({ e164: undefined });
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updateConversation(convoE164.attributes);
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// ...and add it to the new one.
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convoUuid.updateE164(e164);
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updateConversation(convoUuid.attributes);
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return convoUuid.get('id');
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}
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window.log.warn(
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`ensureContactIds: Found a split contact - UUID ${normalizedUuid} and E164 ${e164}. Merging.`
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);
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// Conflict: If e164 match has no UUID, we merge. We prefer the UUID match.
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// Note: no await here, we want to keep this function synchronous
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convoUuid.updateE164(e164);
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// `then` is used to trigger async updates, not affecting return value
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// eslint-disable-next-line more/no-then
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this.combineContacts(convoUuid, convoE164)
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.then(() => {
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// If the old conversation was currently displayed, we load the new one
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window.Whisper.events.trigger('refreshConversation', {
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newId: convoUuid.get('id'),
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oldId: convoE164.get('id'),
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});
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})
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.catch(error => {
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const errorText = error && error.stack ? error.stack : error;
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window.log.warn(
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`ensureContactIds error combining contacts: ${errorText}`
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);
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});
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}
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return convoUuid.get('id');
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}
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async checkForConflicts(): Promise<void> {
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window.log.info('checkForConflicts: starting...');
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const byUuid = Object.create(null);
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const byE164 = Object.create(null);
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// We iterate from the oldest conversations to the newest. This allows us, in a
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// conflict case, to keep the one with activity the most recently.
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const models = [...this._conversations.models.reverse()];
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const max = models.length;
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for (let i = 0; i < max; i += 1) {
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const conversation = models[i];
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const uuid = conversation.get('uuid');
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const e164 = conversation.get('e164');
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if (uuid) {
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const existing = byUuid[uuid];
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if (!existing) {
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byUuid[uuid] = conversation;
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} else {
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window.log.warn(
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`checkForConflicts: Found conflict with uuid ${uuid}`
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);
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// Keep the newer one if it has an e164, otherwise keep existing
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if (conversation.get('e164')) {
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// Keep new one
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// eslint-disable-next-line no-await-in-loop
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await this.combineContacts(conversation, existing);
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byUuid[uuid] = conversation;
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} else {
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// Keep existing - note that this applies if neither had an e164
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// eslint-disable-next-line no-await-in-loop
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await this.combineContacts(existing, conversation);
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}
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}
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}
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if (e164) {
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const existing = byE164[e164];
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if (!existing) {
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byE164[e164] = conversation;
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} else {
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// If we have two contacts with the same e164 but different truthy UUIDs, then
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// we'll delete the e164 on the older one
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if (
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conversation.get('uuid') &&
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existing.get('uuid') &&
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conversation.get('uuid') !== existing.get('uuid')
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) {
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window.log.warn(
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`checkForConflicts: Found two matches on e164 ${e164} with different truthy UUIDs. Dropping e164 on older.`
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);
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existing.set({ e164: undefined });
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updateConversation(existing.attributes);
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byE164[e164] = conversation;
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// eslint-disable-next-line no-continue
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continue;
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}
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window.log.warn(
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`checkForConflicts: Found conflict with e164 ${e164}`
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);
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// Keep the newer one if it has a UUID, otherwise keep existing
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if (conversation.get('uuid')) {
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// Keep new one
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// eslint-disable-next-line no-await-in-loop
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await this.combineContacts(conversation, existing);
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byE164[e164] = conversation;
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} else {
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// Keep existing - note that this applies if neither had a UUID
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// eslint-disable-next-line no-await-in-loop
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await this.combineContacts(existing, conversation);
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}
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}
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}
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}
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window.log.info('checkForConflicts: complete!');
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}
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async combineContacts(
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current: ConversationModel,
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obsolete: ConversationModel
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): Promise<void> {
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const obsoleteId = obsolete.get('id');
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const currentId = current.get('id');
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window.log.warn('combineContacts: Combining two conversations', {
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obsolete: obsoleteId,
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current: currentId,
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});
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if (!current.get('profileKey') && obsolete.get('profileKey')) {
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window.log.warn(
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'combineContacts: Copying profile key from old to new contact'
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);
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const profileKey = obsolete.get('profileKey');
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if (profileKey) {
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await current.setProfileKey(profileKey);
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}
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}
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window.log.warn(
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'combineContacts: Delete all sessions tied to old conversationId'
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);
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const deviceIds = await window.textsecure.storage.protocol.getDeviceIds(
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obsoleteId
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);
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await Promise.all(
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deviceIds.map(async deviceId => {
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await window.textsecure.storage.protocol.removeSession(
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`${obsoleteId}.${deviceId}`
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);
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})
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);
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window.log.warn(
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'combineContacts: Delete all identity information tied to old conversationId'
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);
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await window.textsecure.storage.protocol.removeIdentityKey(obsoleteId);
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window.log.warn(
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'combineContacts: Ensure that all V1 groups have new conversationId instead of old'
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);
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const groups = await this.getAllGroupsInvolvingId(obsoleteId);
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groups.forEach(group => {
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const members = group.get('members');
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const withoutObsolete = without(members, obsoleteId);
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const currentAdded = uniq([...withoutObsolete, currentId]);
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group.set({
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members: currentAdded,
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});
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updateConversation(group.attributes);
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});
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// Note: we explicitly don't want to update V2 groups
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window.log.warn(
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'combineContacts: Delete the obsolete conversation from the database'
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);
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|
await removeConversation(obsoleteId, {
|
|
Conversation: window.Whisper.Conversation,
|
|
});
|
|
|
|
window.log.warn('combineContacts: Update messages table');
|
|
await migrateConversationMessages(obsoleteId, currentId);
|
|
|
|
window.log.warn(
|
|
'combineContacts: Eliminate old conversation from ConversationController lookups'
|
|
);
|
|
this._conversations.remove(obsolete);
|
|
this._conversations.resetLookups();
|
|
|
|
window.log.warn('combineContacts: Complete!', {
|
|
obsolete: obsoleteId,
|
|
current: currentId,
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Given a groupId and optional additional initialization properties,
|
|
* ensures the existence of a group conversation and returns a string
|
|
* representing the local database ID of the group conversation.
|
|
*/
|
|
ensureGroup(groupId: string, additionalInitProps = {}): string {
|
|
return this.getOrCreate(groupId, 'group', additionalInitProps).get('id');
|
|
}
|
|
|
|
/**
|
|
* Given certain metadata about a message (an identifier of who wrote the
|
|
* message and the sent_at timestamp of the message) returns the
|
|
* conversation the message belongs to OR null if a conversation isn't
|
|
* found.
|
|
*/
|
|
// eslint-disable-next-line class-methods-use-this
|
|
async getConversationForTargetMessage(
|
|
targetFromId: string,
|
|
targetTimestamp: number
|
|
): Promise<boolean | ConversationModel | null | undefined> {
|
|
const messages = await getMessagesBySentAt(targetTimestamp, {
|
|
MessageCollection: window.Whisper.MessageCollection,
|
|
});
|
|
const targetMessage = messages.find(m => {
|
|
const contact = m.getContact();
|
|
|
|
if (!contact) {
|
|
return false;
|
|
}
|
|
|
|
const mcid = contact.get('id');
|
|
return mcid === targetFromId;
|
|
});
|
|
|
|
if (targetMessage) {
|
|
return targetMessage.getConversation();
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
prepareForSend(
|
|
id: string | undefined,
|
|
options?: WhatIsThis
|
|
): {
|
|
wrap: (
|
|
promise: Promise<CallbackResultType | void | null>
|
|
) => Promise<CallbackResultType | void | null>;
|
|
sendOptions: SendOptionsType | undefined;
|
|
} {
|
|
// id is any valid conversation identifier
|
|
const conversation = this.get(id);
|
|
const sendOptions = conversation
|
|
? conversation.getSendOptions(options)
|
|
: undefined;
|
|
const wrap = conversation
|
|
? conversation.wrapSend.bind(conversation)
|
|
: async (promise: Promise<CallbackResultType | void | null>) => promise;
|
|
|
|
return { wrap, sendOptions };
|
|
}
|
|
|
|
async getAllGroupsInvolvingId(
|
|
conversationId: string
|
|
): Promise<Array<ConversationModel>> {
|
|
const groups = await getAllGroupsInvolvingId(conversationId, {
|
|
ConversationCollection: window.Whisper.ConversationCollection,
|
|
});
|
|
return groups.map(group => this._conversations.add(group));
|
|
}
|
|
|
|
async loadPromise(): Promise<void> {
|
|
return this._initialPromise;
|
|
}
|
|
|
|
reset(): void {
|
|
this._initialPromise = Promise.resolve();
|
|
this._initialFetchComplete = false;
|
|
this._conversations.reset([]);
|
|
}
|
|
|
|
isFetchComplete(): boolean | undefined {
|
|
return this._initialFetchComplete;
|
|
}
|
|
|
|
async load(): Promise<void> {
|
|
window.log.info('ConversationController: starting initial fetch');
|
|
|
|
if (this._conversations.length) {
|
|
throw new Error('ConversationController: Already loaded!');
|
|
}
|
|
|
|
const load = async () => {
|
|
try {
|
|
const collection = await getAllConversations({
|
|
ConversationCollection: window.Whisper.ConversationCollection,
|
|
});
|
|
|
|
this._conversations.add(collection.models);
|
|
|
|
this._initialFetchComplete = true;
|
|
|
|
await Promise.all(
|
|
this._conversations.map(async conversation => {
|
|
try {
|
|
// This call is important to allow Conversation models not to generate their
|
|
// cached props on initial construction if we're in the middle of the load
|
|
// from the database. Then we come back to the models when it is safe and
|
|
// generate those props.
|
|
conversation.generateProps();
|
|
|
|
if (!conversation.get('lastMessage')) {
|
|
await conversation.updateLastMessage();
|
|
}
|
|
|
|
// In case a too-large draft was saved to the database
|
|
const draft = conversation.get('draft');
|
|
if (draft && draft.length > MAX_MESSAGE_BODY_LENGTH) {
|
|
conversation.set({
|
|
draft: draft.slice(0, MAX_MESSAGE_BODY_LENGTH),
|
|
});
|
|
updateConversation(conversation.attributes);
|
|
}
|
|
} catch (error) {
|
|
window.log.error(
|
|
'ConversationController.load/map: Failed to prepare a conversation',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
}
|
|
})
|
|
);
|
|
window.log.info('ConversationController: done with initial fetch');
|
|
} catch (error) {
|
|
window.log.error(
|
|
'ConversationController: initial fetch failed',
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
throw error;
|
|
}
|
|
};
|
|
|
|
this._initialPromise = load();
|
|
|
|
return this._initialPromise;
|
|
}
|
|
}
|