111 lines
3.4 KiB
JavaScript
111 lines
3.4 KiB
JavaScript
// Copyright 2017-2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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/* global
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Backbone,
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Whisper,
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MessageController
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*/
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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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window.Whisper = window.Whisper || {};
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Whisper.ReadSyncs = new (Backbone.Collection.extend({
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forMessage(message) {
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const senderId = window.ConversationController.ensureContactIds({
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e164: message.get('source'),
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uuid: message.get('sourceUuid'),
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});
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const receipt = this.findWhere({
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senderId,
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timestamp: message.get('sent_at'),
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});
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if (receipt) {
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window.log.info('Found early read sync for message');
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this.remove(receipt);
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return receipt;
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}
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return null;
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},
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async onReceipt(receipt) {
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try {
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const messages = await window.Signal.Data.getMessagesBySentAt(
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receipt.get('timestamp'),
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{
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MessageCollection: Whisper.MessageCollection,
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}
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);
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const found = messages.find(item => {
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const senderId = window.ConversationController.ensureContactIds({
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e164: item.get('source'),
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uuid: item.get('sourceUuid'),
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});
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return item.isIncoming() && senderId === receipt.get('senderId');
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});
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if (found) {
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Whisper.Notifications.removeBy({ messageId: found.id });
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} else {
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window.log.info(
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'No message for read sync',
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receipt.get('senderId'),
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receipt.get('sender'),
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receipt.get('senderUuid'),
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receipt.get('timestamp')
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);
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return;
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}
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const message = MessageController.register(found.id, found);
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const readAt = receipt.get('read_at');
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// If message is unread, we mark it read. Otherwise, we update the expiration
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// timer to the time specified by the read sync if it's earlier than
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// the previous read time.
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if (message.isUnread()) {
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await message.markRead(readAt, { skipSave: true });
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// onReadMessage may result in messages older than this one being
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// marked read. We want those messages to have the same expire timer
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// start time as this one, so we pass the readAt value through.
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const conversation = message.getConversation();
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if (conversation) {
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conversation.onReadMessage(message, readAt);
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}
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} else {
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const now = Date.now();
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const existingTimestamp = message.get('expirationStartTimestamp');
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const expirationStartTimestamp = Math.min(
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now,
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Math.min(existingTimestamp || now, readAt || now)
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);
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message.set({ expirationStartTimestamp });
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const force = true;
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await message.setToExpire(force, { skipSave: true });
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const conversation = message.getConversation();
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if (conversation) {
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conversation.trigger('expiration-change', message);
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}
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}
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await window.Signal.Data.saveMessage(message.attributes, {
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Message: Whisper.Message,
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});
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this.remove(receipt);
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} catch (error) {
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window.log.error(
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'ReadSyncs.onReceipt error:',
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error && error.stack ? error.stack : error
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);
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}
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},
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}))();
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})();
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