814 lines
26 KiB
JavaScript
814 lines
26 KiB
JavaScript
/* global _: false */
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/* global Backbone: false */
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/* global Whisper: false */
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/* global textsecure: false */
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/* global ConversationController: false */
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/* global i18n: false */
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/* global getAccountManager: false */
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/* eslint-disable more/no-then */
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// eslint-disable-next-line func-names
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(function () {
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'use strict';
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window.Whisper = window.Whisper || {};
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const { Message: TypedMessage } = window.Signal.Types;
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const { deleteAttachmentData } = window.Signal.Migrations;
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window.Whisper.Message = Backbone.Model.extend({
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database: Whisper.Database,
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storeName: 'messages',
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initialize(attributes) {
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if (_.isObject(attributes)) {
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this.set(TypedMessage.initializeSchemaVersion(attributes));
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}
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this.on('change:attachments', this.updateImageUrl);
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this.on('destroy', this.onDestroy);
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this.on('change:expirationStartTimestamp', this.setToExpire);
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this.on('change:expireTimer', this.setToExpire);
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this.on('unload', this.unload);
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this.setToExpire();
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},
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idForLogging() {
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return `${this.get('source')}.${this.get('sourceDevice')} ${this.get('sent_at')}`;
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},
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defaults() {
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return {
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timestamp: new Date().getTime(),
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attachments: [],
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};
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},
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validate(attributes) {
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const required = ['conversationId', 'received_at', 'sent_at'];
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const missing = _.filter(required, attr => !attributes[attr]);
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if (missing.length) {
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console.log(`Message missing attributes: ${missing}`);
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}
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},
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isEndSession() {
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const flag = textsecure.protobuf.DataMessage.Flags.END_SESSION;
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// eslint-disable-next-line no-bitwise
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return !!(this.get('flags') & flag);
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},
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isExpirationTimerUpdate() {
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const flag = textsecure.protobuf.DataMessage.Flags.EXPIRATION_TIMER_UPDATE;
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// eslint-disable-next-line no-bitwise
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return !!(this.get('flags') & flag);
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},
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isGroupUpdate() {
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return !!(this.get('group_update'));
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},
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isIncoming() {
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return this.get('type') === 'incoming';
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},
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isUnread() {
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return !!this.get('unread');
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},
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// overriding this to allow for this.unset('unread'), save to db, then fetch()
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// to propagate. We don't want the unset key in the db so our unread index stays
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// small.
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/* eslint-disable */
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/* jscs:disable */
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fetch(options) {
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options = options ? _.clone(options) : {};
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if (options.parse === void 0) options.parse = true;
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const model = this;
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const success = options.success;
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options.success = function (resp) {
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model.attributes = {}; // this is the only changed line
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if (!model.set(model.parse(resp, options), options)) return false;
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if (success) success(model, resp, options);
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model.trigger('sync', model, resp, options);
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};
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const error = options.error;
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options.error = function (resp) {
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if (error) error(model, resp, options);
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model.trigger('error', model, resp, options);
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};
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return this.sync('read', this, options);
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},
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/* jscs:enable */
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/* eslint-enable */
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/* eslint-disable more/no-then */
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getNameForNumber(number) {
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const conversation = ConversationController.get(number);
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if (!conversation) {
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return number;
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}
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return conversation.getDisplayName();
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},
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getDescription() {
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if (this.isGroupUpdate()) {
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const groupUpdate = this.get('group_update');
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if (groupUpdate.left === 'You') {
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return i18n('youLeftTheGroup');
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} else if (groupUpdate.left) {
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return i18n('leftTheGroup', this.getNameForNumber(groupUpdate.left));
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}
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const messages = [i18n('updatedTheGroup')];
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if (groupUpdate.name) {
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messages.push(i18n('titleIsNow', groupUpdate.name));
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}
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if (groupUpdate.joined && groupUpdate.joined.length) {
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const names = _.map(groupUpdate.joined, this.getNameForNumber.bind(this));
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if (names.length > 1) {
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messages.push(i18n('multipleJoinedTheGroup', names.join(', ')));
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} else {
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messages.push(i18n('joinedTheGroup', names[0]));
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}
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}
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return messages.join(' ');
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}
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if (this.isEndSession()) {
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return i18n('sessionEnded');
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}
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if (this.isIncoming() && this.hasErrors()) {
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return i18n('incomingError');
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}
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return this.get('body');
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},
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isKeyChange() {
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return this.get('type') === 'keychange';
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},
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getNotificationText() {
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const description = this.getDescription();
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if (description) {
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return description;
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}
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if (this.get('attachments').length > 0) {
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return i18n('mediaMessage');
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}
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if (this.isExpirationTimerUpdate()) {
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const { expireTimer } = this.get('expirationTimerUpdate');
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return i18n(
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'timerSetTo',
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Whisper.ExpirationTimerOptions.getAbbreviated(expireTimer)
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);
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}
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if (this.isKeyChange()) {
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const conversation = this.getModelForKeyChange();
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return i18n('keychanged', conversation.getTitle());
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}
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return '';
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},
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async onDestroy() {
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this.revokeImageUrl();
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const attachments = this.get('attachments');
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await Promise.all(attachments.map(deleteAttachmentData));
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},
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updateImageUrl() {
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this.revokeImageUrl();
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const attachment = this.get('attachments')[0];
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if (attachment) {
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const blob = new Blob([attachment.data], {
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type: attachment.contentType,
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});
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this.imageUrl = URL.createObjectURL(blob);
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} else {
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this.imageUrl = null;
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}
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},
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unload() {
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if (this.quoteThumbnail) {
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URL.revokeObjectURL(this.quoteThumbnail.objectUrl);
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this.quoteThumbnail = null;
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}
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if (this.quotedMessageFromDatabase) {
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this.quotedMessageFromDatabase.unload();
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this.quotedMessageFromDatabase = null;
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}
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if (this.quotedMessage) {
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this.quotedMessage = null;
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}
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this.revokeImageUrl();
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},
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revokeImageUrl() {
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if (this.imageUrl) {
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URL.revokeObjectURL(this.imageUrl);
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this.imageUrl = null;
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}
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},
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getImageUrl() {
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if (this.imageUrl === undefined) {
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this.updateImageUrl();
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}
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return this.imageUrl;
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},
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getConversation() {
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// This needs to be an unsafe call, because this method is called during
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// initial module setup. We may be in the middle of the initial fetch to
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// the database.
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return ConversationController.getUnsafe(this.get('conversationId'));
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},
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getExpirationTimerUpdateSource() {
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if (this.isExpirationTimerUpdate()) {
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const conversationId = this.get('expirationTimerUpdate').source;
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return ConversationController.getOrCreate(conversationId, 'private');
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}
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return Promise.resolve();
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},
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getContact() {
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let conversationId = this.get('source');
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if (!this.isIncoming()) {
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conversationId = textsecure.storage.user.getNumber();
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}
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return ConversationController.getOrCreate(conversationId, 'private');
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},
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getModelForKeyChange() {
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const id = this.get('key_changed');
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if (!this.modelForKeyChange) {
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const c = ConversationController.getOrCreate(id, 'private');
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this.modelForKeyChange = c;
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}
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return this.modelForKeyChange;
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},
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getModelForVerifiedChange() {
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const id = this.get('verifiedChanged');
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if (!this.modelForVerifiedChange) {
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const c = ConversationController.getOrCreate(id, 'private');
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this.modelForVerifiedChange = c;
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}
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return this.modelForVerifiedChange;
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},
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isOutgoing() {
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return this.get('type') === 'outgoing';
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},
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hasErrors() {
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return _.size(this.get('errors')) > 0;
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},
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getStatus(number) {
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const readBy = this.get('read_by') || [];
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if (readBy.indexOf(number) >= 0) {
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return 'read';
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}
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const deliveredTo = this.get('delivered_to') || [];
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if (deliveredTo.indexOf(number) >= 0) {
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return 'delivered';
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}
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const sentTo = this.get('sent_to') || [];
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if (sentTo.indexOf(number) >= 0) {
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return 'sent';
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}
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return null;
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},
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send(promise) {
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this.trigger('pending');
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return promise.then((result) => {
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const now = Date.now();
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this.trigger('done');
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if (result.dataMessage) {
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this.set({ dataMessage: result.dataMessage });
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}
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const sentTo = this.get('sent_to') || [];
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this.save({
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sent_to: _.union(sentTo, result.successfulNumbers),
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sent: true,
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expirationStartTimestamp: now,
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});
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this.sendSyncMessage();
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}).catch((result) => {
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const now = Date.now();
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this.trigger('done');
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if (result.dataMessage) {
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this.set({ dataMessage: result.dataMessage });
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}
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let promises = [];
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if (result instanceof Error) {
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this.saveErrors(result);
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if (result.name === 'SignedPreKeyRotationError') {
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promises.push(getAccountManager().rotateSignedPreKey());
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} else if (result.name === 'OutgoingIdentityKeyError') {
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const c = ConversationController.get(result.number);
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promises.push(c.getProfiles());
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}
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} else {
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this.saveErrors(result.errors);
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if (result.successfulNumbers.length > 0) {
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const sentTo = this.get('sent_to') || [];
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this.set({
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sent_to: _.union(sentTo, result.successfulNumbers),
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sent: true,
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expirationStartTimestamp: now,
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});
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promises.push(this.sendSyncMessage());
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}
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promises = promises.concat(_.map(result.errors, (error) => {
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if (error.name === 'OutgoingIdentityKeyError') {
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const c = ConversationController.get(error.number);
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promises.push(c.getProfiles());
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}
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}));
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}
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return Promise.all(promises).then(() => {
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this.trigger('send-error', this.get('errors'));
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});
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});
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},
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someRecipientsFailed() {
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const c = this.getConversation();
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if (!c || c.isPrivate()) {
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return false;
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}
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const recipients = c.contactCollection.length - 1;
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const errors = this.get('errors');
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if (!errors) {
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return false;
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}
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if (errors.length > 0 && recipients > 0 && errors.length < recipients) {
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return true;
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}
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return false;
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},
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sendSyncMessage() {
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this.syncPromise = this.syncPromise || Promise.resolve();
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this.syncPromise = this.syncPromise.then(() => {
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const dataMessage = this.get('dataMessage');
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if (this.get('synced') || !dataMessage) {
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return Promise.resolve();
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}
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return textsecure.messaging.sendSyncMessage(
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dataMessage,
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this.get('sent_at'),
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this.get('destination'),
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this.get('expirationStartTimestamp')
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).then(() => {
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this.save({ synced: true, dataMessage: null });
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});
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});
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},
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saveErrors(providedErrors) {
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let errors = providedErrors;
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if (!(errors instanceof Array)) {
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errors = [errors];
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}
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errors.forEach((e) => {
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console.log(
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'Message.saveErrors:',
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e && e.reason ? e.reason : null,
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e && e.stack ? e.stack : e
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);
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});
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errors = errors.map((e) => {
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if (e.constructor === Error ||
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e.constructor === TypeError ||
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e.constructor === ReferenceError) {
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return _.pick(e, 'name', 'message', 'code', 'number', 'reason');
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}
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return e;
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});
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errors = errors.concat(this.get('errors') || []);
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return this.save({ errors });
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},
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hasNetworkError() {
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const error = _.find(
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this.get('errors'),
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e => (e.name === 'MessageError' ||
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e.name === 'OutgoingMessageError' ||
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e.name === 'SendMessageNetworkError' ||
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e.name === 'SignedPreKeyRotationError')
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);
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return !!error;
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},
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removeOutgoingErrors(number) {
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const errors = _.partition(
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this.get('errors'),
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e => e.number === number &&
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(e.name === 'MessageError' ||
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e.name === 'OutgoingMessageError' ||
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e.name === 'SendMessageNetworkError' ||
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e.name === 'SignedPreKeyRotationError' ||
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e.name === 'OutgoingIdentityKeyError')
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);
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this.set({ errors: errors[1] });
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return errors[0][0];
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},
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isReplayableError(e) {
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return (e.name === 'MessageError' ||
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e.name === 'OutgoingMessageError' ||
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e.name === 'SendMessageNetworkError' ||
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e.name === 'SignedPreKeyRotationError' ||
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e.name === 'OutgoingIdentityKeyError');
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},
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resend(number) {
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const error = this.removeOutgoingErrors(number);
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if (error) {
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const promise = new textsecure.ReplayableError(error).replay();
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this.send(promise);
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}
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},
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handleDataMessage(dataMessage, confirm) {
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// This function is called from the background script in a few scenarios:
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// 1. on an incoming message
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// 2. on a sent message sync'd from another device
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// 3. in rare cases, an incoming message can be retried, though it will
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// still go through one of the previous two codepaths
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const message = this;
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const source = message.get('source');
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const type = message.get('type');
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let conversationId = message.get('conversationId');
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if (dataMessage.group) {
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conversationId = dataMessage.group.id;
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}
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const GROUP_TYPES = textsecure.protobuf.GroupContext.Type;
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const conversation = ConversationController.get(conversationId);
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return conversation.queueJob(() => new Promise((resolve) => {
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const now = new Date().getTime();
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let attributes = { type: 'private' };
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if (dataMessage.group) {
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let groupUpdate = null;
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attributes = {
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type: 'group',
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groupId: dataMessage.group.id,
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};
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if (dataMessage.group.type === GROUP_TYPES.UPDATE) {
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attributes = {
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type: 'group',
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groupId: dataMessage.group.id,
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name: dataMessage.group.name,
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avatar: dataMessage.group.avatar,
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members: _.union(dataMessage.group.members, conversation.get('members')),
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};
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groupUpdate = conversation.changedAttributes(_.pick(
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dataMessage.group,
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'name',
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'avatar'
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)) || {};
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const difference = _.difference(
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attributes.members,
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conversation.get('members')
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);
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if (difference.length > 0) {
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groupUpdate.joined = difference;
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}
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if (conversation.get('left')) {
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console.log('re-added to a left group');
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attributes.left = false;
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}
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} else if (dataMessage.group.type === GROUP_TYPES.QUIT) {
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if (source === textsecure.storage.user.getNumber()) {
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attributes.left = true;
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groupUpdate = { left: 'You' };
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} else {
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groupUpdate = { left: source };
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}
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attributes.members = _.without(conversation.get('members'), source);
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}
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if (groupUpdate !== null) {
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message.set({ group_update: groupUpdate });
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}
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}
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message.set({
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schemaVersion: dataMessage.schemaVersion,
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body: dataMessage.body,
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conversationId: conversation.id,
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attachments: dataMessage.attachments,
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quote: dataMessage.quote,
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decrypted_at: now,
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flags: dataMessage.flags,
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errors: [],
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});
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if (type === 'outgoing') {
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const receipts = Whisper.DeliveryReceipts.forMessage(conversation, message);
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receipts.forEach(() => message.set({
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delivered: (message.get('delivered') || 0) + 1,
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}));
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}
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attributes.active_at = now;
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conversation.set(attributes);
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if (message.isExpirationTimerUpdate()) {
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message.set({
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expirationTimerUpdate: {
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source,
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expireTimer: dataMessage.expireTimer,
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},
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});
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conversation.set({ expireTimer: dataMessage.expireTimer });
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} else if (dataMessage.expireTimer) {
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message.set({ expireTimer: dataMessage.expireTimer });
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}
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// NOTE: Remove once the above uses
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// `Conversation::updateExpirationTimer`:
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const { expireTimer } = dataMessage;
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const shouldLogExpireTimerChange =
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message.isExpirationTimerUpdate() || expireTimer;
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if (shouldLogExpireTimerChange) {
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console.log(
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'Updating expireTimer for conversation',
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conversation.idForLogging(),
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'to',
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expireTimer,
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'via `handleDataMessage`'
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);
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}
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if (!message.isEndSession() && !message.isGroupUpdate()) {
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if (dataMessage.expireTimer) {
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if (dataMessage.expireTimer !== conversation.get('expireTimer')) {
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conversation.updateExpirationTimer(
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dataMessage.expireTimer, source,
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message.get('received_at')
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);
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}
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} else if (conversation.get('expireTimer')) {
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|
conversation.updateExpirationTimer(
|
|
null, source,
|
|
message.get('received_at')
|
|
);
|
|
}
|
|
}
|
|
if (type === 'incoming') {
|
|
const readSync = Whisper.ReadSyncs.forMessage(message);
|
|
if (readSync) {
|
|
if (message.get('expireTimer') && !message.get('expirationStartTimestamp')) {
|
|
message.set('expirationStartTimestamp', readSync.get('read_at'));
|
|
}
|
|
}
|
|
if (readSync || message.isExpirationTimerUpdate()) {
|
|
message.unset('unread');
|
|
// This is primarily to allow the conversation to mark all older messages as
|
|
// read, as is done when we receive a read sync for a message we already
|
|
// know about.
|
|
Whisper.ReadSyncs.notifyConversation(message);
|
|
} else {
|
|
conversation.set('unreadCount', conversation.get('unreadCount') + 1);
|
|
}
|
|
}
|
|
|
|
if (type === 'outgoing') {
|
|
const reads = Whisper.ReadReceipts.forMessage(conversation, message);
|
|
if (reads.length) {
|
|
const readBy = reads.map(receipt => receipt.get('reader'));
|
|
message.set({
|
|
read_by: _.union(message.get('read_by'), readBy),
|
|
});
|
|
}
|
|
|
|
message.set({ recipients: conversation.getRecipients() });
|
|
}
|
|
|
|
const conversationTimestamp = conversation.get('timestamp');
|
|
if (!conversationTimestamp || message.get('sent_at') > conversationTimestamp) {
|
|
conversation.set({
|
|
lastMessage: message.getNotificationText(),
|
|
timestamp: message.get('sent_at'),
|
|
});
|
|
}
|
|
|
|
if (dataMessage.profileKey) {
|
|
const profileKey = dataMessage.profileKey.toArrayBuffer();
|
|
if (source === textsecure.storage.user.getNumber()) {
|
|
conversation.set({ profileSharing: true });
|
|
} else if (conversation.isPrivate()) {
|
|
conversation.set({ profileKey });
|
|
} else {
|
|
ConversationController.getOrCreateAndWait(
|
|
source,
|
|
'private'
|
|
).then((sender) => {
|
|
sender.setProfileKey(profileKey);
|
|
});
|
|
}
|
|
}
|
|
|
|
const handleError = (error) => {
|
|
const errorForLog = error && error.stack ? error.stack : error;
|
|
console.log('handleDataMessage', message.idForLogging(), 'error:', errorForLog);
|
|
return resolve();
|
|
};
|
|
|
|
message.save().then(() => {
|
|
conversation.save().then(() => {
|
|
try {
|
|
conversation.trigger('newmessage', message);
|
|
} catch (e) {
|
|
return handleError(e);
|
|
}
|
|
// We fetch() here because, between the message.save() above and the previous
|
|
// line's trigger() call, we might have marked all messages unread in the
|
|
// database. This message might already be read!
|
|
const previousUnread = message.get('unread');
|
|
return message.fetch().then(() => {
|
|
try {
|
|
if (previousUnread !== message.get('unread')) {
|
|
console.log('Caught race condition on new message read state! ' +
|
|
'Manually starting timers.');
|
|
// We call markRead() even though the message is already marked read
|
|
// because we need to start expiration timers, etc.
|
|
message.markRead();
|
|
}
|
|
|
|
if (message.get('unread')) {
|
|
return conversation.notify(message).then(() => {
|
|
confirm();
|
|
return resolve();
|
|
}, handleError);
|
|
}
|
|
|
|
confirm();
|
|
return resolve();
|
|
} catch (e) {
|
|
return handleError(e);
|
|
}
|
|
}, () => {
|
|
try {
|
|
console.log(
|
|
'handleDataMessage: Message',
|
|
message.idForLogging(),
|
|
'was deleted'
|
|
);
|
|
|
|
confirm();
|
|
return resolve();
|
|
} catch (e) {
|
|
return handleError(e);
|
|
}
|
|
});
|
|
}, handleError);
|
|
}, handleError);
|
|
}));
|
|
},
|
|
markRead(readAt) {
|
|
this.unset('unread');
|
|
if (this.get('expireTimer') && !this.get('expirationStartTimestamp')) {
|
|
this.set('expirationStartTimestamp', readAt || Date.now());
|
|
}
|
|
Whisper.Notifications.remove(Whisper.Notifications.where({
|
|
messageId: this.id,
|
|
}));
|
|
return new Promise((resolve, reject) => {
|
|
this.save().then(resolve, reject);
|
|
});
|
|
},
|
|
isExpiring() {
|
|
return this.get('expireTimer') && this.get('expirationStartTimestamp');
|
|
},
|
|
isExpired() {
|
|
return this.msTilExpire() <= 0;
|
|
},
|
|
msTilExpire() {
|
|
if (!this.isExpiring()) {
|
|
return Infinity;
|
|
}
|
|
const now = Date.now();
|
|
const start = this.get('expirationStartTimestamp');
|
|
const delta = this.get('expireTimer') * 1000;
|
|
let msFromNow = (start + delta) - now;
|
|
if (msFromNow < 0) {
|
|
msFromNow = 0;
|
|
}
|
|
return msFromNow;
|
|
},
|
|
setToExpire() {
|
|
if (this.isExpiring() && !this.get('expires_at')) {
|
|
const start = this.get('expirationStartTimestamp');
|
|
const delta = this.get('expireTimer') * 1000;
|
|
const expiresAt = start + delta;
|
|
|
|
// This method can be called due to the expiration-related .set() calls in
|
|
// handleDataMessage(), but the .save() here would conflict with the
|
|
// same call at the end of handleDataMessage(). So we only call .save()
|
|
// here if we've previously saved this model.
|
|
if (!this.isNew()) {
|
|
this.save('expires_at', expiresAt);
|
|
}
|
|
|
|
Whisper.ExpiringMessagesListener.update();
|
|
console.log('message', this.get('sent_at'), 'expires at', expiresAt);
|
|
}
|
|
},
|
|
|
|
});
|
|
|
|
Whisper.MessageCollection = Backbone.Collection.extend({
|
|
model: Whisper.Message,
|
|
database: Whisper.Database,
|
|
storeName: 'messages',
|
|
comparator(left, right) {
|
|
if (left.get('received_at') === right.get('received_at')) {
|
|
return (left.get('sent_at') || 0) - (right.get('sent_at') || 0);
|
|
}
|
|
|
|
return (left.get('received_at') || 0) - (right.get('received_at') || 0);
|
|
},
|
|
initialize(models, options) {
|
|
if (options) {
|
|
this.conversation = options.conversation;
|
|
}
|
|
},
|
|
destroyAll() {
|
|
return Promise.all(this.models.map(m => new Promise((resolve, reject) => {
|
|
m.destroy().then(resolve).fail(reject);
|
|
})));
|
|
},
|
|
|
|
fetchSentAt(timestamp) {
|
|
return new Promise((resolve => this.fetch({
|
|
index: {
|
|
// 'receipt' index on sent_at
|
|
name: 'receipt',
|
|
only: timestamp,
|
|
},
|
|
}).always(resolve)));
|
|
},
|
|
|
|
getLoadedUnreadCount() {
|
|
return this.reduce((total, model) => {
|
|
const unread = model.get('unread') && model.isIncoming();
|
|
return total + (unread ? 1 : 0);
|
|
}, 0);
|
|
},
|
|
|
|
fetchConversation(conversationId, providedLimit, providedUnreadCount) {
|
|
let limit = providedLimit;
|
|
let unreadCount = providedUnreadCount;
|
|
|
|
if (typeof limit !== 'number') {
|
|
limit = 100;
|
|
}
|
|
if (typeof unreadCount !== 'number') {
|
|
unreadCount = 0;
|
|
}
|
|
|
|
let startingLoadedUnread = 0;
|
|
if (unreadCount > 0) {
|
|
startingLoadedUnread = this.getLoadedUnreadCount();
|
|
}
|
|
return new Promise((resolve) => {
|
|
let upper;
|
|
if (this.length === 0) {
|
|
// fetch the most recent messages first
|
|
upper = Number.MAX_VALUE;
|
|
} else {
|
|
// not our first rodeo, fetch older messages.
|
|
upper = this.at(0).get('received_at');
|
|
}
|
|
const options = { remove: false, limit };
|
|
options.index = {
|
|
// 'conversation' index on [conversationId, received_at]
|
|
name: 'conversation',
|
|
lower: [conversationId],
|
|
upper: [conversationId, upper],
|
|
order: 'desc',
|
|
// SELECT messages WHERE conversationId = this.id ORDER
|
|
// received_at DESC
|
|
};
|
|
this.fetch(options).always(resolve);
|
|
}).then(() => {
|
|
if (unreadCount <= 0) {
|
|
return Promise.resolve();
|
|
}
|
|
|
|
const loadedUnread = this.getLoadedUnreadCount();
|
|
if (loadedUnread >= unreadCount) {
|
|
return Promise.resolve();
|
|
}
|
|
|
|
if (startingLoadedUnread === loadedUnread) {
|
|
// that fetch didn't get us any more unread. stop fetching more.
|
|
return Promise.resolve();
|
|
}
|
|
|
|
console.log('fetchConversation: doing another fetch to get all unread');
|
|
return this.fetchConversation(conversationId, limit, unreadCount);
|
|
});
|
|
},
|
|
|
|
fetchNextExpiring() {
|
|
this.fetch({ index: { name: 'expires_at' }, limit: 1 });
|
|
},
|
|
|
|
fetchExpired() {
|
|
console.log('loading expired messages');
|
|
this.fetch({
|
|
conditions: { expires_at: { $lte: Date.now() } },
|
|
addIndividually: true,
|
|
});
|
|
},
|
|
});
|
|
}());
|