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2285 lines
70 KiB
JavaScript
2285 lines
70 KiB
JavaScript
/* global _: false */
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/* global Backbone: false */
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/* global ConversationController: false */
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/* global i18n: false */
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/* global libsignal: false */
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/* global storage: false */
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/* global textsecure: false */
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/* global Whisper: 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 SEALED_SENDER = {
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UNKNOWN: 0,
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ENABLED: 1,
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DISABLED: 2,
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UNRESTRICTED: 3,
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};
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const { Util } = window.Signal;
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const {
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Conversation,
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Contact,
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Errors,
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Message,
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PhoneNumber,
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} = window.Signal.Types;
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const {
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upgradeMessageSchema,
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loadAttachmentData,
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getAbsoluteAttachmentPath,
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writeNewAttachmentData,
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deleteAttachmentData,
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} = window.Signal.Migrations;
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// Possible conversation friend states
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const FriendStatusEnum = Object.freeze({
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// New conversation, no messages sent or received
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none: 0,
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// Have received a friend request, waiting to accept/decline
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pendingAction: 1,
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// Have sent a friend request, waiting for response
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pendingResponse: 2,
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// Have sent and received prekeybundle, waiting for ciphertext confirming key exchange
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pendingCipher: 3,
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// We did it!
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friends: 4,
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});
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const COLORS = [
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'red',
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'deep_orange',
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'brown',
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'pink',
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'purple',
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'indigo',
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'blue',
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'teal',
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'green',
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'light_green',
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'blue_grey',
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];
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/**
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* A few key things that need to be known in this is the difference
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* between isFriend() and isKeyExchangeCompleted().
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*
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* `isFriend` returns whether we have accepted the other user as a friend.
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* - This is explicilty stored as a state in the conversation
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*
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* `isKeyExchangeCompleted` return whether we know for certain
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* that both of our preKeyBundles have been exchanged.
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* - This will be set when we receive a valid CIPHER or
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* PREKEY_BUNDLE message from the other user.
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* * Valid meaning we can decypher the message using the preKeys provided
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* or the keys we have stored.
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*
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* `isFriend` will determine whether we should send a FRIEND_REQUEST message.
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*
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* `isKeyExchangeCompleted` will determine whether we keep
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* sending preKeyBundle to the other user.
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*/
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Whisper.Conversation = Backbone.Model.extend({
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storeName: 'conversations',
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defaults() {
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return {
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unreadCount: 0,
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verified: textsecure.storage.protocol.VerifiedStatus.DEFAULT,
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friendStatus: FriendStatusEnum.none,
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keyExchangeCompleted: false,
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unlockTimestamp: null, // Timestamp used for expiring friend requests.
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};
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},
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idForLogging() {
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if (this.isPrivate()) {
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return this.id;
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}
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return `group(${this.id})`;
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},
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handleMessageError(message, errors) {
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this.trigger('messageError', message, errors);
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},
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initialize() {
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this.ourNumber = textsecure.storage.user.getNumber();
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this.verifiedEnum = textsecure.storage.protocol.VerifiedStatus;
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// This may be overridden by ConversationController.getOrCreate, and signify
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// our first save to the database. Or first fetch from the database.
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this.initialPromise = Promise.resolve();
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this.contactCollection = new Backbone.Collection();
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const collator = new Intl.Collator();
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this.contactCollection.comparator = (left, right) => {
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const leftLower = left.getTitle().toLowerCase();
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const rightLower = right.getTitle().toLowerCase();
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return collator.compare(leftLower, rightLower);
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};
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this.messageCollection = new Whisper.MessageCollection([], {
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conversation: this,
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});
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this.pendingFriendRequest = false;
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this.messageCollection.on('change:errors', this.handleMessageError, this);
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this.messageCollection.on('send-error', this.onMessageError, this);
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const debouncedUpdateLastMessage = _.debounce(
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this.updateLastMessage.bind(this),
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200
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);
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this.listenTo(
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this.messageCollection,
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'add remove destroy',
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debouncedUpdateLastMessage
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);
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this.listenTo(this.messageCollection, 'sent', this.updateLastMessage);
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this.listenTo(
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this.messageCollection,
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'send-error',
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this.updateLastMessage
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);
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this.on('newmessage', this.onNewMessage);
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this.on('change:profileKey', this.onChangeProfileKey);
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// Listening for out-of-band data updates
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this.on('updateMessage', this.updateAndMerge);
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this.on('delivered', this.updateAndMerge);
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this.on('read', this.updateAndMerge);
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this.on('expiration-change', this.updateAndMerge);
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this.on('expired', this.onExpired);
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const sealedSender = this.get('sealedSender');
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if (sealedSender === undefined) {
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this.set({ sealedSender: SEALED_SENDER.UNKNOWN });
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}
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this.unset('unidentifiedDelivery');
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this.unset('unidentifiedDeliveryUnrestricted');
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this.unset('hasFetchedProfile');
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this.unset('tokens');
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this.unset('lastMessage');
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this.unset('lastMessageStatus');
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this.updateTextInputState();
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this.setFriendRequestExpiryTimeout();
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},
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isMe() {
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return this.id === this.ourNumber;
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},
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isBlocked() {
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return BlockedNumberController.isBlocked(this.id);
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},
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block() {
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BlockedNumberController.block(this.id);
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this.trigger('change');
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this.messageCollection.forEach(m => m.trigger('change'));
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},
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unblock() {
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BlockedNumberController.unblock(this.id);
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this.trigger('change');
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this.messageCollection.forEach(m => m.trigger('change'));
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},
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async cleanup() {
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await window.Signal.Types.Conversation.deleteExternalFiles(
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this.attributes,
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{
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deleteAttachmentData,
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}
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);
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},
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async updateAndMerge(message) {
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this.updateLastMessage();
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const mergeMessage = () => {
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const existing = this.messageCollection.get(message.id);
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if (!existing) {
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return;
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}
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existing.merge(message.attributes);
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};
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await this.inProgressFetch;
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mergeMessage();
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},
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async onExpired(message) {
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this.updateLastMessage();
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const removeMessage = () => {
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const { id } = message;
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const existing = this.messageCollection.get(id);
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if (!existing) {
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return;
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}
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window.log.info('Remove expired message from collection', {
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sentAt: existing.get('sent_at'),
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});
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this.messageCollection.remove(id);
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existing.trigger('expired');
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};
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// If a fetch is in progress, then we need to wait until that's complete to
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// do this removal. Otherwise we could remove from messageCollection, then
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// the async database fetch could include the removed message.
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await this.inProgressFetch;
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removeMessage();
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},
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async onCalculatingPoW(pubKey, timestamp) {
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if (this.id !== pubKey) return;
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// Go through our messages and find the one that we need to update
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const messages = this.messageCollection.models.filter(m => m.get('sent_at') === timestamp);
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await Promise.all(messages.map(m => m.setCalculatingPoW()));
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},
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addSingleMessage(message, setToExpire = true) {
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const model = this.messageCollection.add(message, { merge: true });
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if (setToExpire) model.setToExpire();
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return model;
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},
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format() {
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const { format } = PhoneNumber;
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const regionCode = storage.get('regionCode');
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const color = this.getColor();
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return {
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phoneNumber: format(this.id, {
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ourRegionCode: regionCode,
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}),
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color,
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avatarPath: this.getAvatarPath(),
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name: this.getName(),
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profileName: this.getProfileName(),
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title: this.getTitle(),
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};
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},
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// This function sets `pendingFriendRequest` variable in memory
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async updatePendingFriendRequests() {
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const pendingFriendRequest = await this.hasPendingFriendRequests();
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// Only update if we have different values
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if (this.pendingFriendRequest !== pendingFriendRequest) {
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this.pendingFriendRequest = pendingFriendRequest;
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// trigger an update
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this.trigger('change');
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}
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},
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// This goes through all our message history and finds a friend request
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// But this is not a concurrent operation and thus updatePendingFriendRequests is used
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async hasPendingFriendRequests() {
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// Go through the messages and check for any pending friend requests
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const messages = await window.Signal.Data.getMessagesByConversation(
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this.id,
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{
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type: 'friend-request',
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MessageCollection: Whisper.MessageCollection,
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}
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);
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const pendingFriendRequest =
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messages.models.find(message =>
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message.isFriendRequest() &&
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message.attributes.friendStatus === 'pending'
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);
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return pendingFriendRequest !== undefined;
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},
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async getPendingFriendRequests(direction) {
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// Theoretically all our messages could be friend requests,
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// thus we have to unfortunately go through each one :(
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const messages = await window.Signal.Data.getMessagesByConversation(
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this.id,
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{
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type: 'friend-request',
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MessageCollection: Whisper.MessageCollection,
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}
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);
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// Get the messages that are matching the direction and the friendStatus
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return messages.models.filter(m =>
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m.attributes.direction === direction &&
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m.attributes.friendStatus === 'pending'
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);
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},
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getPropsForListItem() {
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const result = {
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...this.format(),
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conversationType: this.isPrivate() ? 'direct' : 'group',
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lastUpdated: this.get('timestamp'),
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unreadCount: this.get('unreadCount') || 0,
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isSelected: this.isSelected,
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showFriendRequestIndicator: this.pendingFriendRequest,
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isBlocked: this.isBlocked(),
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lastMessage: {
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status: this.lastMessageStatus,
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text: this.lastMessage,
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},
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onClick: () => this.trigger('select', this),
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};
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return result;
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},
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onMessageError() {
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this.updateVerified();
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},
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safeGetVerified() {
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const promise = textsecure.storage.protocol.getVerified(this.id);
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return promise.catch(
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() => textsecure.storage.protocol.VerifiedStatus.DEFAULT
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);
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},
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async updateVerified() {
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if (this.isPrivate()) {
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await this.initialPromise;
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const verified = await this.safeGetVerified();
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// we don't await here because we don't need to wait for this to finish
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window.Signal.Data.updateConversation(
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this.id,
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{ verified },
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{ Conversation: Whisper.Conversation }
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);
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return;
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}
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await this.fetchContacts();
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await Promise.all(
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this.contactCollection.map(async contact => {
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if (!contact.isMe()) {
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await contact.updateVerified();
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}
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})
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);
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this.onMemberVerifiedChange();
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},
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setVerifiedDefault(options) {
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const { DEFAULT } = this.verifiedEnum;
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return this.queueJob(() => this._setVerified(DEFAULT, options));
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},
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setVerified(options) {
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const { VERIFIED } = this.verifiedEnum;
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return this.queueJob(() => this._setVerified(VERIFIED, options));
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},
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setUnverified(options) {
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const { UNVERIFIED } = this.verifiedEnum;
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return this.queueJob(() => this._setVerified(UNVERIFIED, options));
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},
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async _setVerified(verified, providedOptions) {
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const options = providedOptions || {};
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_.defaults(options, {
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viaSyncMessage: false,
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viaContactSync: false,
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key: null,
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});
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const { VERIFIED, UNVERIFIED } = this.verifiedEnum;
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if (!this.isPrivate()) {
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throw new Error(
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'You cannot verify a group conversation. ' +
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'You must verify individual contacts.'
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);
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}
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const beginningVerified = this.get('verified');
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let keyChange;
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if (options.viaSyncMessage) {
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// handle the incoming key from the sync messages - need different
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// behavior if that key doesn't match the current key
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keyChange = await textsecure.storage.protocol.processVerifiedMessage(
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this.id,
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verified,
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options.key
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);
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} else {
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keyChange = await textsecure.storage.protocol.setVerified(
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this.id,
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verified
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);
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}
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this.set({ verified });
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await window.Signal.Data.updateConversation(this.id, this.attributes, {
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Conversation: Whisper.Conversation,
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});
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// Three situations result in a verification notice in the conversation:
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// 1) The message came from an explicit verification in another client (not
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// a contact sync)
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// 2) The verification value received by the contact sync is different
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// from what we have on record (and it's not a transition to UNVERIFIED)
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// 3) Our local verification status is VERIFIED and it hasn't changed,
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// but the key did change (Key1/VERIFIED to Key2/VERIFIED - but we don't
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// want to show DEFAULT->DEFAULT or UNVERIFIED->UNVERIFIED)
|
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if (
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!options.viaContactSync ||
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(beginningVerified !== verified && verified !== UNVERIFIED) ||
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(keyChange && verified === VERIFIED)
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) {
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await this.addVerifiedChange(this.id, verified === VERIFIED, {
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local: !options.viaSyncMessage,
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});
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}
|
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if (!options.viaSyncMessage) {
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await this.sendVerifySyncMessage(this.id, verified);
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}
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},
|
|
sendVerifySyncMessage(number, state) {
|
|
// Because syncVerification sends a (null) message to the target of the verify and
|
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// a sync message to our own devices, we need to send the accessKeys down for both
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// contacts. So we merge their sendOptions.
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const { sendOptions } = ConversationController.prepareForSend(
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this.ourNumber,
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{ syncMessage: true }
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);
|
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const contactSendOptions = this.getSendOptions();
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const options = Object.assign({}, sendOptions, contactSendOptions);
|
|
|
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const promise = textsecure.storage.protocol.loadIdentityKey(number);
|
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return promise.then(key =>
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this.wrapSend(
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textsecure.messaging.syncVerification(number, state, key, options)
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)
|
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);
|
|
},
|
|
isVerified() {
|
|
if (this.isPrivate()) {
|
|
return this.get('verified') === this.verifiedEnum.VERIFIED;
|
|
}
|
|
if (!this.contactCollection.length) {
|
|
return false;
|
|
}
|
|
|
|
return this.contactCollection.every(contact => {
|
|
if (contact.isMe()) {
|
|
return true;
|
|
}
|
|
return contact.isVerified();
|
|
});
|
|
},
|
|
isKeyExchangeCompleted() {
|
|
if (!this.isPrivate()) {
|
|
return false;
|
|
// throw new Error('isKeyExchangeCompleted not implemented for groups');
|
|
}
|
|
|
|
if (this.isMe()) {
|
|
return true;
|
|
}
|
|
|
|
return this.get('friendStatus') === FriendStatusEnum.friends;
|
|
},
|
|
async setKeyExchangeCompleted() {
|
|
if (this.get('friendStatus') !== FriendStatusEnum.pendingCipher) return;
|
|
|
|
this.set({ friendStatus: FriendStatusEnum.friends });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
},
|
|
async waitingForFriendRequestApproval() {
|
|
// Check if we have an incoming friend request
|
|
// Or any successful outgoing ones
|
|
const incoming = await this.getPendingFriendRequests('incoming');
|
|
const outgoing = await this.getPendingFriendRequests('outgoing');
|
|
const successfulOutgoing = outgoing.filter(o => !o.hasErrors());
|
|
|
|
return (incoming.length > 0 || successfulOutgoing.length > 0);
|
|
},
|
|
getPreKeyBundleType() {
|
|
switch (this.get('friendStatus')) {
|
|
case FriendStatusEnum.none:
|
|
case FriendStatusEnum.pendingResponse:
|
|
return textsecure.protobuf.PreKeyBundleMessage.Type.FRIEND_REQUEST;
|
|
case FriendStatusEnum.pendingAction:
|
|
case FriendStatusEnum.pendingCipher:
|
|
return textsecure.protobuf.PreKeyBundleMessage.Type.FRIEND_REQUEST_ACCEPT;
|
|
default:
|
|
return textsecure.protobuf.PreKeyBundleMessage.Type.UNKNOWN;
|
|
}
|
|
},
|
|
isFriend() {
|
|
return this.get('friendStatus') === FriendStatusEnum.pendingCipher ||
|
|
this.get('friendStatus') === FriendStatusEnum.friends;
|
|
},
|
|
// Update any pending friend requests for the current user
|
|
async updateFriendRequestUI() {
|
|
// Enable the text inputs early
|
|
this.updateTextInputState();
|
|
|
|
// We only update our friend requests if we have the user as a friend
|
|
if (!this.isFriend()) return;
|
|
|
|
// Update any pending outgoing messages
|
|
const pending = await this.getPendingFriendRequests('outgoing');
|
|
await Promise.all(
|
|
pending.map(async request => {
|
|
if (request.hasErrors()) return;
|
|
|
|
request.set({ friendStatus: 'accepted' });
|
|
await window.Signal.Data.saveMessage(request.attributes, {
|
|
Message: Whisper.Message,
|
|
});
|
|
this.trigger('updateMessage', request);
|
|
})
|
|
);
|
|
|
|
// Update our local state
|
|
await this.updatePendingFriendRequests();
|
|
|
|
// Send the notification if we had an outgoing friend request
|
|
if (pending.length > 0)
|
|
this.notifyFriendRequest(this.id, 'accepted')
|
|
},
|
|
// We have declined an incoming friend request
|
|
async onDeclineFriendRequest() {
|
|
// Should we change states for other states? (They should never happen)
|
|
if (this.get('friendStatus') === FriendStatusEnum.pendingAction) {
|
|
this.set({ friendStatus: FriendStatusEnum.none });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
await this.updateFriendRequestUI();
|
|
await this.updatePendingFriendRequests();
|
|
await window.libloki.removePreKeyBundleForNumber(this.id);
|
|
}
|
|
},
|
|
// We have accepted an incoming friend request
|
|
async onAcceptFriendRequest() {
|
|
// Should we change states for other states? (They should never happen)
|
|
if (this.get('friendStatus') === FriendStatusEnum.pendingAction) {
|
|
this.set({ friendStatus: FriendStatusEnum.pendingCipher });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
await this.updateFriendRequestUI();
|
|
await this.updatePendingFriendRequests();
|
|
window.libloki.sendFriendRequestAccepted(this.id);
|
|
}
|
|
},
|
|
// Our outgoing friend request has been accepted
|
|
async onFriendRequestAccepted() {
|
|
// TODO: Think about how we want to handle other states
|
|
if (this.get('friendStatus') === FriendStatusEnum.pendingResponse) {
|
|
this.set({ friendStatus: FriendStatusEnum.pendingCipher });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
await this.updateFriendRequestUI();
|
|
}
|
|
},
|
|
async onFriendRequestTimeout() {
|
|
// Unset the timer
|
|
if (this.unlockTimer)
|
|
clearTimeout(this.unlockTimer);
|
|
|
|
this.unlockTimer = null;
|
|
|
|
// Set the unlock timestamp to null
|
|
if (this.get('unlockTimestamp')) {
|
|
this.set({ unlockTimestamp: null });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
}
|
|
|
|
// Change any pending outgoing friend requests to expired
|
|
const outgoing = await this.getPendingFriendRequests('outgoing');
|
|
await Promise.all(
|
|
outgoing.map(async request => {
|
|
if (request.hasErrors()) return;
|
|
|
|
request.set({ friendStatus: 'expired' });
|
|
await window.Signal.Data.saveMessage(request.attributes, {
|
|
Message: Whisper.Message,
|
|
});
|
|
this.trigger('updateMessage', request);
|
|
})
|
|
);
|
|
|
|
// Update the UI
|
|
await this.updatePendingFriendRequests();
|
|
await this.updateFriendRequestUI();
|
|
},
|
|
async onFriendRequestReceived() {
|
|
switch (this.get('friendStatus')) {
|
|
case FriendStatusEnum.none:
|
|
this.set({ friendStatus: FriendStatusEnum.pendingAction });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
await this.updateFriendRequestUI();
|
|
return;
|
|
case FriendStatusEnum.pendingResponse:
|
|
this.set({ friendStatus: FriendStatusEnum.pendingCipher });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
await this.updateFriendRequestUI();
|
|
return;
|
|
case FriendStatusEnum.pendingAction:
|
|
case FriendStatusEnum.pendingCipher:
|
|
// No need to change state
|
|
return;
|
|
case FriendStatusEnum.friends:
|
|
// TODO: Handle this case (discuss with squad)
|
|
return;
|
|
default:
|
|
throw new TypeError(`Invalid friendStatus type: '${this.friendStatus}'`);
|
|
}
|
|
},
|
|
async onFriendRequestSent() {
|
|
// Check if we need to set the friend request expiry
|
|
const unlockTimestamp = this.get('unlockTimestamp');
|
|
if (!this.isFriend() && !unlockTimestamp) {
|
|
// Expire the messages after 72 hours
|
|
const hourLockDuration = 72;
|
|
const ms = 60 * 60 * 1000 * hourLockDuration;
|
|
|
|
this.set({ unlockTimestamp: Date.now() + ms });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
|
|
this.setFriendRequestExpiryTimeout();
|
|
}
|
|
|
|
if (this.get('friendStatus') === FriendStatusEnum.none) {
|
|
this.set({ friendStatus: FriendStatusEnum.pendingResponse });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
}
|
|
this.updateFriendRequestUI();
|
|
},
|
|
setFriendRequestExpiryTimeout() {
|
|
const unlockTimestamp = this.get('unlockTimestamp');
|
|
if (unlockTimestamp && !this.unlockTimer) {
|
|
const delta = Math.max(unlockTimestamp - Date.now(), 0);
|
|
this.unlockTimer = setTimeout(() => {
|
|
this.onFriendRequestTimeout();
|
|
}, delta);
|
|
}
|
|
},
|
|
isUnverified() {
|
|
if (this.isPrivate()) {
|
|
const verified = this.get('verified');
|
|
return (
|
|
verified !== this.verifiedEnum.VERIFIED &&
|
|
verified !== this.verifiedEnum.DEFAULT
|
|
);
|
|
}
|
|
if (!this.contactCollection.length) {
|
|
return true;
|
|
}
|
|
|
|
return this.contactCollection.any(contact => {
|
|
if (contact.isMe()) {
|
|
return false;
|
|
}
|
|
return contact.isUnverified();
|
|
});
|
|
},
|
|
getUnverified() {
|
|
if (this.isPrivate()) {
|
|
return this.isUnverified()
|
|
? new Backbone.Collection([this])
|
|
: new Backbone.Collection();
|
|
}
|
|
return new Backbone.Collection(
|
|
this.contactCollection.filter(contact => {
|
|
if (contact.isMe()) {
|
|
return false;
|
|
}
|
|
return contact.isUnverified();
|
|
})
|
|
);
|
|
},
|
|
setApproved() {
|
|
if (!this.isPrivate()) {
|
|
throw new Error(
|
|
'You cannot set a group conversation as trusted. ' +
|
|
'You must set individual contacts as trusted.'
|
|
);
|
|
}
|
|
|
|
return textsecure.storage.protocol.setApproval(this.id, true);
|
|
},
|
|
safeIsUntrusted() {
|
|
return textsecure.storage.protocol
|
|
.isUntrusted(this.id)
|
|
.catch(() => false);
|
|
},
|
|
isUntrusted() {
|
|
if (this.isPrivate()) {
|
|
return this.safeIsUntrusted();
|
|
}
|
|
if (!this.contactCollection.length) {
|
|
return Promise.resolve(false);
|
|
}
|
|
|
|
return Promise.all(
|
|
this.contactCollection.map(contact => {
|
|
if (contact.isMe()) {
|
|
return false;
|
|
}
|
|
return contact.safeIsUntrusted();
|
|
})
|
|
).then(results => _.any(results, result => result));
|
|
},
|
|
getUntrusted() {
|
|
// This is a bit ugly because isUntrusted() is async. Could do the work to cache
|
|
// it locally, but we really only need it for this call.
|
|
if (this.isPrivate()) {
|
|
return this.isUntrusted().then(untrusted => {
|
|
if (untrusted) {
|
|
return new Backbone.Collection([this]);
|
|
}
|
|
|
|
return new Backbone.Collection();
|
|
});
|
|
}
|
|
return Promise.all(
|
|
this.contactCollection.map(contact => {
|
|
if (contact.isMe()) {
|
|
return [false, contact];
|
|
}
|
|
return Promise.all([contact.isUntrusted(), contact]);
|
|
})
|
|
).then(results => {
|
|
const filtered = _.filter(results, result => {
|
|
const untrusted = result[0];
|
|
return untrusted;
|
|
});
|
|
return new Backbone.Collection(
|
|
_.map(filtered, result => {
|
|
const contact = result[1];
|
|
return contact;
|
|
})
|
|
);
|
|
});
|
|
},
|
|
onMemberVerifiedChange() {
|
|
// If the verified state of a member changes, our aggregate state changes.
|
|
// We trigger both events to replicate the behavior of Backbone.Model.set()
|
|
this.trigger('change:verified');
|
|
this.trigger('change');
|
|
},
|
|
toggleVerified() {
|
|
if (this.isVerified()) {
|
|
return this.setVerifiedDefault();
|
|
}
|
|
return this.setVerified();
|
|
},
|
|
|
|
async addKeyChange(keyChangedId) {
|
|
window.log.info(
|
|
'adding key change advisory for',
|
|
this.idForLogging(),
|
|
keyChangedId,
|
|
this.get('timestamp')
|
|
);
|
|
|
|
const timestamp = Date.now();
|
|
const message = {
|
|
conversationId: this.id,
|
|
type: 'keychange',
|
|
sent_at: this.get('timestamp'),
|
|
received_at: timestamp,
|
|
key_changed: keyChangedId,
|
|
unread: 1,
|
|
};
|
|
|
|
const id = await window.Signal.Data.saveMessage(message, {
|
|
Message: Whisper.Message,
|
|
});
|
|
|
|
this.trigger(
|
|
'newmessage',
|
|
new Whisper.Message({
|
|
...message,
|
|
id,
|
|
})
|
|
);
|
|
},
|
|
// Remove the message locally from our conversation
|
|
async _removeMessage(id) {
|
|
await window.Signal.Data.removeMessage(id, { Message: Whisper.Message });
|
|
const existing = this.messageCollection.get(id);
|
|
if (existing) {
|
|
this.messageCollection.remove(id);
|
|
existing.trigger('destroy');
|
|
}
|
|
},
|
|
async addVerifiedChange(verifiedChangeId, verified, providedOptions) {
|
|
const options = providedOptions || {};
|
|
_.defaults(options, { local: true });
|
|
|
|
if (this.isMe()) {
|
|
window.log.info(
|
|
'refusing to add verified change advisory for our own number'
|
|
);
|
|
return;
|
|
}
|
|
|
|
const lastMessage = this.get('timestamp') || Date.now();
|
|
|
|
window.log.info(
|
|
'adding verified change advisory for',
|
|
this.idForLogging(),
|
|
verifiedChangeId,
|
|
lastMessage
|
|
);
|
|
|
|
const timestamp = Date.now();
|
|
const message = {
|
|
conversationId: this.id,
|
|
type: 'verified-change',
|
|
sent_at: lastMessage,
|
|
received_at: timestamp,
|
|
verifiedChanged: verifiedChangeId,
|
|
verified,
|
|
local: options.local,
|
|
unread: 1,
|
|
};
|
|
|
|
const id = await window.Signal.Data.saveMessage(message, {
|
|
Message: Whisper.Message,
|
|
});
|
|
|
|
this.trigger(
|
|
'newmessage',
|
|
new Whisper.Message({
|
|
...message,
|
|
id,
|
|
})
|
|
);
|
|
|
|
if (this.isPrivate()) {
|
|
ConversationController.getAllGroupsInvolvingId(this.id).then(groups => {
|
|
_.forEach(groups, group => {
|
|
group.addVerifiedChange(this.id, verified, options);
|
|
});
|
|
});
|
|
}
|
|
},
|
|
|
|
async onReadMessage(message, readAt) {
|
|
const existing = this.messageCollection.get(message.id);
|
|
if (existing) {
|
|
const fetched = await window.Signal.Data.getMessageById(existing.id, {
|
|
Message: Whisper.Message,
|
|
});
|
|
existing.merge(fetched);
|
|
}
|
|
|
|
// We mark as read everything older than this message - to clean up old stuff
|
|
// still marked unread in the database. If the user generally doesn't read in
|
|
// the desktop app, so the desktop app only gets read syncs, we can very
|
|
// easily end up with messages never marked as read (our previous early read
|
|
// sync handling, read syncs never sent because app was offline)
|
|
|
|
// We queue it because we often get a whole lot of read syncs at once, and
|
|
// their markRead calls could very easily overlap given the async pull from DB.
|
|
|
|
// Lastly, we don't send read syncs for any message marked read due to a read
|
|
// sync. That's a notification explosion we don't need.
|
|
return this.queueJob(() =>
|
|
this.markRead(message.get('received_at'), {
|
|
sendReadReceipts: false,
|
|
readAt,
|
|
})
|
|
);
|
|
},
|
|
|
|
getUnread() {
|
|
return window.Signal.Data.getUnreadByConversation(this.id, {
|
|
MessageCollection: Whisper.MessageCollection,
|
|
});
|
|
},
|
|
|
|
validate(attributes) {
|
|
const required = ['id', 'type'];
|
|
const missing = _.filter(required, attr => !attributes[attr]);
|
|
if (missing.length) {
|
|
return `Conversation must have ${missing}`;
|
|
}
|
|
|
|
if (attributes.type !== 'private' && attributes.type !== 'group') {
|
|
return `Invalid conversation type: ${attributes.type}`;
|
|
}
|
|
|
|
const error = this.validateNumber();
|
|
if (error) {
|
|
return error;
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
validateNumber() {
|
|
if (!this.id) return 'Invalid ID';
|
|
|
|
if (this.isPrivate()) {
|
|
// Check if it's hex
|
|
const isHex = this.id.replace(/[\s]*/g, '').match(/^[0-9a-fA-F]+$/);
|
|
if (!isHex) return 'Invalid Hex ID';
|
|
|
|
// Check if it has a valid length
|
|
if (this.id.length !== 33 * 2) {
|
|
// 33 bytes in hex
|
|
this.set({ id: this.id });
|
|
return 'Invalid ID Length';
|
|
}
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
queueJob(callback) {
|
|
const previous = this.pending || Promise.resolve();
|
|
|
|
const taskWithTimeout = textsecure.createTaskWithTimeout(
|
|
callback,
|
|
`conversation ${this.idForLogging()}`
|
|
);
|
|
|
|
this.pending = previous.then(taskWithTimeout, taskWithTimeout);
|
|
const current = this.pending;
|
|
|
|
current.then(() => {
|
|
if (this.pending === current) {
|
|
delete this.pending;
|
|
}
|
|
});
|
|
|
|
return current;
|
|
},
|
|
|
|
queueMessageSend(callback) {
|
|
const previous = this.pendingSend || Promise.resolve();
|
|
|
|
const taskWithTimeout = textsecure.createTaskWithTimeout(
|
|
callback,
|
|
`conversation ${this.idForLogging()}`
|
|
);
|
|
|
|
this.pendingSend = previous.then(taskWithTimeout, taskWithTimeout);
|
|
const current = this.pendingSend;
|
|
|
|
current.then(() => {
|
|
if (this.pendingSend === current) {
|
|
delete this.pendingSend;
|
|
}
|
|
});
|
|
|
|
return current;
|
|
},
|
|
|
|
getRecipients() {
|
|
if (this.isPrivate()) {
|
|
return [this.id];
|
|
}
|
|
const me = textsecure.storage.user.getNumber();
|
|
return _.without(this.get('members'), me);
|
|
},
|
|
|
|
async makeQuote(quotedMessage) {
|
|
const { getName } = Contact;
|
|
const contact = quotedMessage.getContact();
|
|
const attachments = quotedMessage.get('attachments');
|
|
|
|
const body = quotedMessage.get('body');
|
|
const embeddedContact = quotedMessage.get('contact');
|
|
const embeddedContactName =
|
|
embeddedContact && embeddedContact.length > 0
|
|
? getName(embeddedContact[0])
|
|
: '';
|
|
|
|
return {
|
|
author: contact.id,
|
|
id: quotedMessage.get('sent_at'),
|
|
text: body || embeddedContactName,
|
|
attachments: await Promise.all(
|
|
(attachments || []).map(async attachment => {
|
|
const { contentType, fileName, thumbnail } = attachment;
|
|
|
|
return {
|
|
contentType,
|
|
// Our protos library complains about this field being undefined, so we
|
|
// force it to null
|
|
fileName: fileName || null,
|
|
thumbnail: thumbnail
|
|
? {
|
|
...(await loadAttachmentData(thumbnail)),
|
|
objectUrl: getAbsoluteAttachmentPath(thumbnail.path),
|
|
}
|
|
: null,
|
|
};
|
|
})
|
|
),
|
|
};
|
|
},
|
|
|
|
async sendMessage(body, attachments, quote) {
|
|
const destination = this.id;
|
|
const expireTimer = this.get('expireTimer');
|
|
const recipients = this.getRecipients();
|
|
|
|
let profileKey;
|
|
if (this.get('profileSharing')) {
|
|
profileKey = storage.get('profileKey');
|
|
}
|
|
|
|
this.queueJob(async () => {
|
|
const now = Date.now();
|
|
|
|
window.log.info(
|
|
'Sending message to conversation',
|
|
this.idForLogging(),
|
|
'with timestamp',
|
|
now
|
|
);
|
|
|
|
let messageWithSchema = null;
|
|
|
|
// If we are a friend then let the user send the message normally
|
|
if (this.isFriend()) {
|
|
messageWithSchema = await upgradeMessageSchema({
|
|
type: 'outgoing',
|
|
body,
|
|
conversationId: destination,
|
|
quote,
|
|
attachments,
|
|
sent_at: now,
|
|
received_at: now,
|
|
expireTimer,
|
|
recipients,
|
|
});
|
|
} else {
|
|
// We also need to make sure we don't send a new friend request
|
|
// if we already have an existing one
|
|
const incomingRequests = await this.getPendingFriendRequests('incoming');
|
|
if (incomingRequests.length > 0) return null;
|
|
|
|
// Otherwise check if we have sent a friend request
|
|
const outgoingRequests = await this.getPendingFriendRequests('outgoing');
|
|
if (outgoingRequests.length > 0) {
|
|
// Check if the requests have errored, if so then remove them
|
|
// and send the new request if possible
|
|
let friendRequestSent = false;
|
|
const promises = [];
|
|
outgoingRequests.forEach(outgoing => {
|
|
if (outgoing.hasErrors()) {
|
|
promises.push(this._removeMessage(outgoing.id));
|
|
} else {
|
|
// No errors = we have sent over the friend request
|
|
friendRequestSent = true;
|
|
}
|
|
});
|
|
await Promise.all(promises);
|
|
|
|
// If the requests didn't error then don't add a new friend request
|
|
// because one of them was sent successfully
|
|
if (friendRequestSent) return null;
|
|
}
|
|
|
|
// Send the friend request!
|
|
messageWithSchema = await upgradeMessageSchema({
|
|
type: 'friend-request',
|
|
body,
|
|
conversationId: destination,
|
|
sent_at: now,
|
|
received_at: now,
|
|
expireTimer,
|
|
recipients,
|
|
direction: 'outgoing',
|
|
friendStatus: 'pending',
|
|
});
|
|
}
|
|
|
|
const message = this.addSingleMessage(messageWithSchema);
|
|
this.lastMessage = message.getNotificationText();
|
|
this.lastMessageStatus = 'sending';
|
|
|
|
this.set({
|
|
active_at: now,
|
|
timestamp: now,
|
|
});
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
|
|
if (this.isPrivate()) {
|
|
message.set({ destination });
|
|
}
|
|
|
|
const id = await window.Signal.Data.saveMessage(message.attributes, {
|
|
Message: Whisper.Message,
|
|
});
|
|
message.set({ id });
|
|
|
|
// We're offline!
|
|
if (!textsecure.messaging) {
|
|
const errors = this.contactCollection.map(contact => {
|
|
const error = new Error('Network is not available');
|
|
error.name = 'SendMessageNetworkError';
|
|
error.number = contact.id;
|
|
return error;
|
|
});
|
|
await message.saveErrors(errors);
|
|
return null;
|
|
}
|
|
|
|
const conversationType = this.get('type');
|
|
const sendFunction = (() => {
|
|
switch (conversationType) {
|
|
case Message.PRIVATE:
|
|
return textsecure.messaging.sendMessageToNumber;
|
|
case Message.GROUP:
|
|
return textsecure.messaging.sendMessageToGroup;
|
|
default:
|
|
throw new TypeError(
|
|
`Invalid conversation type: '${conversationType}'`
|
|
);
|
|
}
|
|
})();
|
|
|
|
const attachmentsWithData = await Promise.all(
|
|
messageWithSchema.attachments.map(loadAttachmentData)
|
|
);
|
|
|
|
const options = this.getSendOptions();
|
|
|
|
// Add the message sending on another queue so that our UI doesn't get blocked
|
|
this.queueMessageSend(async () =>
|
|
message.send(
|
|
this.wrapSend(
|
|
sendFunction(
|
|
destination,
|
|
body,
|
|
attachmentsWithData,
|
|
quote,
|
|
now,
|
|
expireTimer,
|
|
profileKey,
|
|
options
|
|
)
|
|
)
|
|
)
|
|
);
|
|
|
|
return true;
|
|
});
|
|
},
|
|
async updateTextInputState() {
|
|
// Check if we need to disable the text field
|
|
if (!this.isFriend()) {
|
|
// Disable the input if we're waiting for friend request approval
|
|
const waiting = await this.waitingForFriendRequestApproval();
|
|
if (waiting) {
|
|
this.trigger('disable:input', true);
|
|
this.trigger('change:placeholder', 'disabled');
|
|
return;
|
|
}
|
|
// Tell the user to introduce themselves
|
|
this.trigger('disable:input', false);
|
|
this.trigger('change:placeholder', 'friend-request');
|
|
return;
|
|
}
|
|
this.trigger('disable:input', false);
|
|
this.trigger('change:placeholder', 'chat');
|
|
},
|
|
wrapSend(promise) {
|
|
return promise.then(
|
|
async result => {
|
|
// success
|
|
if (result) {
|
|
await this.handleMessageSendResult(
|
|
result.failoverNumbers,
|
|
result.unidentifiedDeliveries
|
|
);
|
|
}
|
|
return result;
|
|
},
|
|
async result => {
|
|
// failure
|
|
if (result) {
|
|
await this.handleMessageSendResult(
|
|
result.failoverNumbers,
|
|
result.unidentifiedDeliveries
|
|
);
|
|
}
|
|
throw result;
|
|
}
|
|
);
|
|
},
|
|
|
|
async handleMessageSendResult(failoverNumbers, unidentifiedDeliveries) {
|
|
await Promise.all(
|
|
(failoverNumbers || []).map(async number => {
|
|
const conversation = ConversationController.get(number);
|
|
|
|
if (
|
|
conversation &&
|
|
conversation.get('sealedSender') !== SEALED_SENDER.DISABLED
|
|
) {
|
|
window.log.info(
|
|
`Setting sealedSender to DISABLED for conversation ${conversation.idForLogging()}`
|
|
);
|
|
conversation.set({
|
|
sealedSender: SEALED_SENDER.DISABLED,
|
|
});
|
|
await window.Signal.Data.updateConversation(
|
|
conversation.id,
|
|
conversation.attributes,
|
|
{ Conversation: Whisper.Conversation }
|
|
);
|
|
}
|
|
})
|
|
);
|
|
|
|
await Promise.all(
|
|
(unidentifiedDeliveries || []).map(async number => {
|
|
const conversation = ConversationController.get(number);
|
|
|
|
if (
|
|
conversation &&
|
|
conversation.get('sealedSender') === SEALED_SENDER.UNKNOWN
|
|
) {
|
|
if (conversation.get('accessKey')) {
|
|
window.log.info(
|
|
`Setting sealedSender to ENABLED for conversation ${conversation.idForLogging()}`
|
|
);
|
|
conversation.set({
|
|
sealedSender: SEALED_SENDER.ENABLED,
|
|
});
|
|
} else {
|
|
window.log.info(
|
|
`Setting sealedSender to UNRESTRICTED for conversation ${conversation.idForLogging()}`
|
|
);
|
|
conversation.set({
|
|
sealedSender: SEALED_SENDER.UNRESTRICTED,
|
|
});
|
|
}
|
|
await window.Signal.Data.updateConversation(
|
|
conversation.id,
|
|
conversation.attributes,
|
|
{ Conversation: Whisper.Conversation }
|
|
);
|
|
}
|
|
})
|
|
);
|
|
},
|
|
|
|
getSendOptions(options = {}) {
|
|
const senderCertificate = storage.get('senderCertificate');
|
|
const numberInfo = this.getNumberInfo(options);
|
|
const preKeyBundleType = this.getPreKeyBundleType();
|
|
|
|
return {
|
|
senderCertificate,
|
|
numberInfo,
|
|
preKeyBundleType,
|
|
};
|
|
},
|
|
|
|
getNumberInfo(options = {}) {
|
|
const { syncMessage, disableMeCheck } = options;
|
|
|
|
// START: this code has an Expiration date of ~2018/11/21
|
|
// We don't want to enable unidentified delivery for send unless it is
|
|
// also enabled for our own account.
|
|
const me = ConversationController.getOrCreate(this.ourNumber, 'private');
|
|
if (
|
|
!disableMeCheck &&
|
|
me.get('sealedSender') === SEALED_SENDER.DISABLED
|
|
) {
|
|
return null;
|
|
}
|
|
// END
|
|
|
|
if (!this.isPrivate()) {
|
|
const infoArray = this.contactCollection.map(conversation =>
|
|
conversation.getNumberInfo(options)
|
|
);
|
|
return Object.assign({}, ...infoArray);
|
|
}
|
|
|
|
const accessKey = this.get('accessKey');
|
|
const sealedSender = this.get('sealedSender');
|
|
|
|
// We never send sync messages as sealed sender
|
|
if (syncMessage && this.id === this.ourNumber) {
|
|
return null;
|
|
}
|
|
|
|
// If we've never fetched user's profile, we default to what we have
|
|
if (sealedSender === SEALED_SENDER.UNKNOWN) {
|
|
return {
|
|
[this.id]: {
|
|
accessKey:
|
|
accessKey ||
|
|
window.Signal.Crypto.arrayBufferToBase64(
|
|
window.Signal.Crypto.getRandomBytes(16)
|
|
),
|
|
},
|
|
};
|
|
}
|
|
|
|
if (sealedSender === SEALED_SENDER.DISABLED) {
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
[this.id]: {
|
|
accessKey:
|
|
accessKey && sealedSender === SEALED_SENDER.ENABLED
|
|
? accessKey
|
|
: window.Signal.Crypto.arrayBufferToBase64(
|
|
window.Signal.Crypto.getRandomBytes(16)
|
|
),
|
|
},
|
|
};
|
|
},
|
|
async onNewMessage(message) {
|
|
if (message.get('type') === 'friend-request' && message.get('direction') === 'incoming') {
|
|
// We need to make sure we remove any pending requests that we may have
|
|
// This is to ensure that one user cannot spam us with multiple friend requests.
|
|
const incoming = await this.getPendingFriendRequests('incoming');
|
|
|
|
// Delete the old messages if it's pending
|
|
await Promise.all(
|
|
incoming
|
|
.filter(i => i.id !== message.id)
|
|
.map(request => this._removeMessage(request.id))
|
|
);
|
|
|
|
// If we have an outgoing friend request then
|
|
// we auto accept the incoming friend request
|
|
const outgoing = await this.getPendingFriendRequests('outgoing');
|
|
if (outgoing.length > 0) {
|
|
const current = this.messageCollection.find(i => i.id === message.id);
|
|
if (current) {
|
|
await current.acceptFriendRequest();
|
|
} else {
|
|
window.log.debug('onNewMessage: Failed to find incoming friend request');
|
|
}
|
|
}
|
|
|
|
// Trigger an update if we removed or updated messages
|
|
if (outgoing.length > 0 || incoming.length > 0)
|
|
this.trigger('change');
|
|
}
|
|
|
|
return this.updateLastMessage();
|
|
},
|
|
async updateLastMessage() {
|
|
if (!this.id) {
|
|
return;
|
|
}
|
|
|
|
// Update our friend indicator
|
|
this.updatePendingFriendRequests();
|
|
|
|
// Update our text input state
|
|
await this.updateTextInputState();
|
|
|
|
const messages = await window.Signal.Data.getMessagesByConversation(
|
|
this.id,
|
|
{ limit: 1, MessageCollection: Whisper.MessageCollection }
|
|
);
|
|
|
|
const lastMessageModel = messages.at(0);
|
|
const lastMessageJSON = lastMessageModel
|
|
? lastMessageModel.toJSON()
|
|
: null;
|
|
const lastMessageStatusModel = lastMessageModel
|
|
? lastMessageModel.getMessagePropStatus()
|
|
: null;
|
|
const lastMessageUpdate = Conversation.createLastMessageUpdate({
|
|
currentLastMessageText: this.get('lastMessage') || null,
|
|
currentTimestamp: this.get('timestamp') || null,
|
|
lastMessage: lastMessageJSON,
|
|
lastMessageStatus: lastMessageStatusModel,
|
|
lastMessageNotificationText: lastMessageModel
|
|
? lastMessageModel.getNotificationText()
|
|
: null,
|
|
});
|
|
|
|
let hasChanged = false;
|
|
const { lastMessage, lastMessageStatus } = lastMessageUpdate;
|
|
delete lastMessageUpdate.lastMessage;
|
|
delete lastMessageUpdate.lastMessageStatus;
|
|
|
|
hasChanged = hasChanged || lastMessage !== this.lastMessage;
|
|
this.lastMessage = lastMessage;
|
|
|
|
hasChanged = hasChanged || lastMessageStatus !== this.lastMessageStatus;
|
|
this.lastMessageStatus = lastMessageStatus;
|
|
|
|
// Because we're no longer using Backbone-integrated saves, we need to manually
|
|
// clear the changed fields here so our hasChanged() check below is useful.
|
|
this.changed = {};
|
|
this.set(lastMessageUpdate);
|
|
|
|
if (this.hasChanged()) {
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
} else if (hasChanged) {
|
|
this.trigger('change');
|
|
}
|
|
},
|
|
|
|
async updateExpirationTimer(
|
|
providedExpireTimer,
|
|
providedSource,
|
|
receivedAt,
|
|
options = {}
|
|
) {
|
|
let expireTimer = providedExpireTimer;
|
|
let source = providedSource;
|
|
|
|
_.defaults(options, { fromSync: false, fromGroupUpdate: false });
|
|
|
|
if (!expireTimer) {
|
|
expireTimer = null;
|
|
}
|
|
if (
|
|
this.get('expireTimer') === expireTimer ||
|
|
(!expireTimer && !this.get('expireTimer'))
|
|
) {
|
|
return null;
|
|
}
|
|
|
|
window.log.info("Update conversation 'expireTimer'", {
|
|
id: this.idForLogging(),
|
|
expireTimer,
|
|
source,
|
|
});
|
|
|
|
source = source || textsecure.storage.user.getNumber();
|
|
|
|
// When we add a disappearing messages notification to the conversation, we want it
|
|
// to be above the message that initiated that change, hence the subtraction.
|
|
const timestamp = (receivedAt || Date.now()) - 1;
|
|
|
|
this.set({ expireTimer });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
|
|
const message = this.messageCollection.add({
|
|
// Even though this isn't reflected to the user, we want to place the last seen
|
|
// indicator above it. We set it to 'unread' to trigger that placement.
|
|
unread: 1,
|
|
conversationId: this.id,
|
|
// No type; 'incoming' messages are specially treated by conversation.markRead()
|
|
sent_at: timestamp,
|
|
received_at: timestamp,
|
|
flags: textsecure.protobuf.DataMessage.Flags.EXPIRATION_TIMER_UPDATE,
|
|
expirationTimerUpdate: {
|
|
expireTimer,
|
|
source,
|
|
fromSync: options.fromSync,
|
|
fromGroupUpdate: options.fromGroupUpdate,
|
|
},
|
|
});
|
|
if (this.isPrivate()) {
|
|
message.set({ destination: this.id });
|
|
}
|
|
if (message.isOutgoing()) {
|
|
message.set({ recipients: this.getRecipients() });
|
|
}
|
|
|
|
const id = await window.Signal.Data.saveMessage(message.attributes, {
|
|
Message: Whisper.Message,
|
|
});
|
|
message.set({ id });
|
|
|
|
// if change was made remotely, don't send it to the number/group
|
|
if (receivedAt) {
|
|
return message;
|
|
}
|
|
|
|
let sendFunc;
|
|
if (this.get('type') === 'private') {
|
|
sendFunc = textsecure.messaging.sendExpirationTimerUpdateToNumber;
|
|
} else {
|
|
sendFunc = textsecure.messaging.sendExpirationTimerUpdateToGroup;
|
|
}
|
|
let profileKey;
|
|
if (this.get('profileSharing')) {
|
|
profileKey = storage.get('profileKey');
|
|
}
|
|
|
|
const sendOptions = this.getSendOptions();
|
|
const promise = sendFunc(
|
|
this.get('id'),
|
|
this.get('expireTimer'),
|
|
message.get('sent_at'),
|
|
profileKey,
|
|
sendOptions
|
|
);
|
|
|
|
await message.send(this.wrapSend(promise));
|
|
|
|
return message;
|
|
},
|
|
|
|
isSearchable() {
|
|
return !this.get('left');
|
|
},
|
|
|
|
async endSession() {
|
|
if (this.isPrivate()) {
|
|
const now = Date.now();
|
|
const message = this.messageCollection.add({
|
|
conversationId: this.id,
|
|
type: 'outgoing',
|
|
sent_at: now,
|
|
received_at: now,
|
|
destination: this.id,
|
|
recipients: this.getRecipients(),
|
|
flags: textsecure.protobuf.DataMessage.Flags.END_SESSION,
|
|
});
|
|
|
|
const id = await window.Signal.Data.saveMessage(message.attributes, {
|
|
Message: Whisper.Message,
|
|
});
|
|
message.set({ id });
|
|
|
|
const options = this.getSendOptions();
|
|
message.send(
|
|
this.wrapSend(
|
|
textsecure.messaging.resetSession(this.id, now, options)
|
|
)
|
|
);
|
|
}
|
|
},
|
|
|
|
async updateGroup(providedGroupUpdate) {
|
|
let groupUpdate = providedGroupUpdate;
|
|
|
|
if (this.isPrivate()) {
|
|
throw new Error('Called update group on private conversation');
|
|
}
|
|
if (groupUpdate === undefined) {
|
|
groupUpdate = this.pick(['name', 'avatar', 'members']);
|
|
}
|
|
const now = Date.now();
|
|
const message = this.messageCollection.add({
|
|
conversationId: this.id,
|
|
type: 'outgoing',
|
|
sent_at: now,
|
|
received_at: now,
|
|
group_update: groupUpdate,
|
|
});
|
|
|
|
const id = await window.Signal.Data.saveMessage(message.attributes, {
|
|
Message: Whisper.Message,
|
|
});
|
|
message.set({ id });
|
|
|
|
const options = this.getSendOptions();
|
|
message.send(
|
|
this.wrapSend(
|
|
textsecure.messaging.updateGroup(
|
|
this.id,
|
|
this.get('name'),
|
|
this.get('avatar'),
|
|
this.get('members'),
|
|
options
|
|
)
|
|
)
|
|
);
|
|
},
|
|
|
|
async leaveGroup() {
|
|
const now = Date.now();
|
|
if (this.get('type') === 'group') {
|
|
this.set({ left: true });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
|
|
const message = this.messageCollection.add({
|
|
group_update: { left: 'You' },
|
|
conversationId: this.id,
|
|
type: 'outgoing',
|
|
sent_at: now,
|
|
received_at: now,
|
|
});
|
|
|
|
const id = await window.Signal.Data.saveMessage(message.attributes, {
|
|
Message: Whisper.Message,
|
|
});
|
|
message.set({ id });
|
|
|
|
const options = this.getSendOptions();
|
|
message.send(
|
|
this.wrapSend(textsecure.messaging.leaveGroup(this.id, options))
|
|
);
|
|
}
|
|
},
|
|
|
|
async markRead(newestUnreadDate, providedOptions) {
|
|
const options = providedOptions || {};
|
|
_.defaults(options, { sendReadReceipts: true });
|
|
|
|
const conversationId = this.id;
|
|
Whisper.Notifications.remove(
|
|
Whisper.Notifications.where({
|
|
conversationId,
|
|
})
|
|
);
|
|
|
|
let unreadMessages = await this.getUnread();
|
|
const oldUnread = unreadMessages.filter(
|
|
message => message.get('received_at') <= newestUnreadDate
|
|
);
|
|
|
|
let read = await Promise.all(
|
|
_.map(oldUnread, async providedM => {
|
|
let m = providedM;
|
|
|
|
if (this.messageCollection.get(m.id)) {
|
|
m = this.messageCollection.get(m.id);
|
|
} else {
|
|
window.log.warn(
|
|
'Marked a message as read in the database, but ' +
|
|
'it was not in messageCollection.'
|
|
);
|
|
}
|
|
|
|
await m.markRead(options.readAt);
|
|
const errors = m.get('errors');
|
|
return {
|
|
sender: m.get('source'),
|
|
timestamp: m.get('sent_at'),
|
|
hasErrors: Boolean(errors && errors.length),
|
|
};
|
|
})
|
|
);
|
|
|
|
// Some messages we're marking read are local notifications with no sender
|
|
read = _.filter(read, m => Boolean(m.sender));
|
|
unreadMessages = unreadMessages.filter(m => Boolean(m.isIncoming()));
|
|
|
|
const unreadCount = unreadMessages.length - read.length;
|
|
this.set({ unreadCount });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
|
|
// If a message has errors, we don't want to send anything out about it.
|
|
// read syncs - let's wait for a client that really understands the message
|
|
// to mark it read. we'll mark our local error read locally, though.
|
|
// read receipts - here we can run into infinite loops, where each time the
|
|
// conversation is viewed, another error message shows up for the contact
|
|
read = read.filter(item => !item.hasErrors);
|
|
|
|
if (read.length && options.sendReadReceipts) {
|
|
window.log.info(`Sending ${read.length} read receipts`);
|
|
// Because syncReadMessages sends to our other devices, and sendReadReceipts goes
|
|
// to a contact, we need accessKeys for both.
|
|
const { sendOptions } = ConversationController.prepareForSend(
|
|
this.ourNumber,
|
|
{ syncMessage: true }
|
|
);
|
|
await this.wrapSend(
|
|
textsecure.messaging.syncReadMessages(read, sendOptions)
|
|
);
|
|
|
|
if (storage.get('read-receipt-setting')) {
|
|
const convoSendOptions = this.getSendOptions();
|
|
|
|
await Promise.all(
|
|
_.map(_.groupBy(read, 'sender'), async (receipts, sender) => {
|
|
const timestamps = _.map(receipts, 'timestamp');
|
|
await this.wrapSend(
|
|
textsecure.messaging.sendReadReceipts(
|
|
sender,
|
|
timestamps,
|
|
convoSendOptions
|
|
)
|
|
);
|
|
})
|
|
);
|
|
}
|
|
}
|
|
},
|
|
|
|
onChangeProfileKey() {
|
|
if (this.isPrivate()) {
|
|
this.getProfiles();
|
|
}
|
|
},
|
|
// Update profile variables dynamically
|
|
async updateProfile() {
|
|
const profileName = this.get('profileName');
|
|
const profile = await storage.getProfile(this.id);
|
|
|
|
const newProfileName = (profile && profile.name && profile.name.displayName) || null
|
|
if (profileName !== newProfileName) {
|
|
this.set({ profileName: newProfileName });
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
}
|
|
},
|
|
getProfiles() {
|
|
// request all conversation members' keys
|
|
let ids = [];
|
|
if (this.isPrivate()) {
|
|
ids = [this.id];
|
|
} else {
|
|
ids = this.get('members');
|
|
}
|
|
return Promise.all(_.map(ids, this.getProfile));
|
|
},
|
|
|
|
async getProfile(id) {
|
|
if (!textsecure.messaging) {
|
|
throw new Error(
|
|
'Conversation.getProfile: textsecure.messaging not available'
|
|
);
|
|
}
|
|
|
|
const c = await ConversationController.getOrCreateAndWait(id, 'private');
|
|
|
|
// Because we're no longer using Backbone-integrated saves, we need to manually
|
|
// clear the changed fields here so our hasChanged() check is useful.
|
|
c.changed = {};
|
|
|
|
try {
|
|
await c.deriveAccessKeyIfNeeded();
|
|
const numberInfo = c.getNumberInfo({ disableMeCheck: true }) || {};
|
|
const getInfo = numberInfo[c.id] || {};
|
|
|
|
let profile;
|
|
if (getInfo.accessKey) {
|
|
try {
|
|
profile = await textsecure.messaging.getProfile(id, {
|
|
accessKey: getInfo.accessKey,
|
|
});
|
|
} catch (error) {
|
|
if (error.code === 401 || error.code === 403) {
|
|
window.log.info(
|
|
`Setting sealedSender to DISABLED for conversation ${c.idForLogging()}`
|
|
);
|
|
c.set({ sealedSender: SEALED_SENDER.DISABLED });
|
|
profile = await textsecure.messaging.getProfile(id);
|
|
} else {
|
|
throw error;
|
|
}
|
|
}
|
|
} else {
|
|
profile = await textsecure.messaging.getProfile(id);
|
|
}
|
|
|
|
const identityKey = window.Signal.Crypto.base64ToArrayBuffer(
|
|
profile.identityKey
|
|
);
|
|
const changed = await textsecure.storage.protocol.saveIdentity(
|
|
`${id}.1`,
|
|
identityKey,
|
|
false
|
|
);
|
|
if (changed) {
|
|
// save identity will close all sessions except for .1, so we
|
|
// must close that one manually.
|
|
const address = new libsignal.SignalProtocolAddress(id, 1);
|
|
window.log.info('closing session for', address.toString());
|
|
const sessionCipher = new libsignal.SessionCipher(
|
|
textsecure.storage.protocol,
|
|
address
|
|
);
|
|
await sessionCipher.closeOpenSessionForDevice();
|
|
}
|
|
|
|
const accessKey = c.get('accessKey');
|
|
if (
|
|
profile.unrestrictedUnidentifiedAccess &&
|
|
profile.unidentifiedAccess
|
|
) {
|
|
window.log.info(
|
|
`Setting sealedSender to UNRESTRICTED for conversation ${c.idForLogging()}`
|
|
);
|
|
c.set({
|
|
sealedSender: SEALED_SENDER.UNRESTRICTED,
|
|
});
|
|
} else if (accessKey && profile.unidentifiedAccess) {
|
|
const haveCorrectKey = await window.Signal.Crypto.verifyAccessKey(
|
|
window.Signal.Crypto.base64ToArrayBuffer(accessKey),
|
|
window.Signal.Crypto.base64ToArrayBuffer(profile.unidentifiedAccess)
|
|
);
|
|
|
|
if (haveCorrectKey) {
|
|
window.log.info(
|
|
`Setting sealedSender to ENABLED for conversation ${c.idForLogging()}`
|
|
);
|
|
c.set({
|
|
sealedSender: SEALED_SENDER.ENABLED,
|
|
});
|
|
} else {
|
|
window.log.info(
|
|
`Setting sealedSender to DISABLED for conversation ${c.idForLogging()}`
|
|
);
|
|
c.set({
|
|
sealedSender: SEALED_SENDER.DISABLED,
|
|
});
|
|
}
|
|
} else {
|
|
window.log.info(
|
|
`Setting sealedSender to DISABLED for conversation ${c.idForLogging()}`
|
|
);
|
|
c.set({
|
|
sealedSender: SEALED_SENDER.DISABLED,
|
|
});
|
|
}
|
|
|
|
await c.setProfileName(profile.name);
|
|
|
|
// This might throw if we can't pull the avatar down, so we do it last
|
|
await c.setProfileAvatar(profile.avatar);
|
|
} catch (error) {
|
|
window.log.error(
|
|
'getProfile error:',
|
|
id,
|
|
error && error.stack ? error.stack : error
|
|
);
|
|
} finally {
|
|
if (c.hasChanged()) {
|
|
await window.Signal.Data.updateConversation(id, c.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
}
|
|
}
|
|
},
|
|
// Signal profile name
|
|
async setProfileName(encryptedName) {
|
|
if (!encryptedName) {
|
|
return;
|
|
}
|
|
const key = this.get('profileKey');
|
|
if (!key) {
|
|
return;
|
|
}
|
|
|
|
// decode
|
|
const keyBuffer = window.Signal.Crypto.base64ToArrayBuffer(key);
|
|
const data = window.Signal.Crypto.base64ToArrayBuffer(encryptedName);
|
|
|
|
// decrypt
|
|
const decrypted = await textsecure.crypto.decryptProfileName(
|
|
data,
|
|
keyBuffer
|
|
);
|
|
|
|
// encode
|
|
const profileName = window.Signal.Crypto.stringFromBytes(decrypted);
|
|
|
|
// set
|
|
this.set({ profileName });
|
|
},
|
|
async setProfileAvatar(avatarPath) {
|
|
if (!avatarPath) {
|
|
return;
|
|
}
|
|
|
|
const avatar = await textsecure.messaging.getAvatar(avatarPath);
|
|
const key = this.get('profileKey');
|
|
if (!key) {
|
|
return;
|
|
}
|
|
const keyBuffer = window.Signal.Crypto.base64ToArrayBuffer(key);
|
|
|
|
// decrypt
|
|
const decrypted = await textsecure.crypto.decryptProfile(
|
|
avatar,
|
|
keyBuffer
|
|
);
|
|
|
|
// update the conversation avatar only if hash differs
|
|
if (decrypted) {
|
|
const newAttributes = await window.Signal.Types.Conversation.maybeUpdateProfileAvatar(
|
|
this.attributes,
|
|
decrypted,
|
|
{
|
|
writeNewAttachmentData,
|
|
deleteAttachmentData,
|
|
}
|
|
);
|
|
this.set(newAttributes);
|
|
}
|
|
},
|
|
async setProfileKey(profileKey) {
|
|
// profileKey is a string so we can compare it directly
|
|
if (this.get('profileKey') !== profileKey) {
|
|
window.log.info(
|
|
`Setting sealedSender to UNKNOWN for conversation ${this.idForLogging()}`
|
|
);
|
|
this.set({
|
|
profileKey,
|
|
accessKey: null,
|
|
sealedSender: SEALED_SENDER.UNKNOWN,
|
|
});
|
|
|
|
await this.deriveAccessKeyIfNeeded();
|
|
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
}
|
|
},
|
|
|
|
async deriveAccessKeyIfNeeded() {
|
|
const profileKey = this.get('profileKey');
|
|
if (!profileKey) {
|
|
return;
|
|
}
|
|
if (this.get('accessKey')) {
|
|
return;
|
|
}
|
|
|
|
const profileKeyBuffer = window.Signal.Crypto.base64ToArrayBuffer(
|
|
profileKey
|
|
);
|
|
const accessKeyBuffer = await window.Signal.Crypto.deriveAccessKey(
|
|
profileKeyBuffer
|
|
);
|
|
const accessKey = window.Signal.Crypto.arrayBufferToBase64(
|
|
accessKeyBuffer
|
|
);
|
|
this.set({ accessKey });
|
|
},
|
|
|
|
async upgradeMessages(messages) {
|
|
for (let max = messages.length, i = 0; i < max; i += 1) {
|
|
const message = messages.at(i);
|
|
const { attributes } = message;
|
|
const { schemaVersion } = attributes;
|
|
|
|
if (schemaVersion < Message.CURRENT_SCHEMA_VERSION) {
|
|
// Yep, we really do want to wait for each of these
|
|
// eslint-disable-next-line no-await-in-loop
|
|
const upgradedMessage = await upgradeMessageSchema(attributes);
|
|
message.set(upgradedMessage);
|
|
// eslint-disable-next-line no-await-in-loop
|
|
await window.Signal.Data.saveMessage(upgradedMessage, {
|
|
Message: Whisper.Message,
|
|
});
|
|
}
|
|
}
|
|
},
|
|
|
|
async fetchMessages() {
|
|
if (!this.id) {
|
|
throw new Error('This conversation has no id!');
|
|
}
|
|
if (this.inProgressFetch) {
|
|
window.log.warn('Attempting to start a parallel fetchMessages() call');
|
|
return;
|
|
}
|
|
|
|
this.inProgressFetch = this.messageCollection.fetchConversation(
|
|
this.id,
|
|
undefined,
|
|
this.get('unreadCount')
|
|
);
|
|
|
|
await this.inProgressFetch;
|
|
|
|
try {
|
|
// We are now doing the work to upgrade messages before considering the load from
|
|
// the database complete. Note that we do save messages back, so it is a
|
|
// one-time hit. We do this so we have guarantees about message structure.
|
|
await this.upgradeMessages(this.messageCollection);
|
|
} catch (error) {
|
|
window.log.error(
|
|
'fetchMessages: failed to upgrade messages',
|
|
Errors.toLogFormat(error)
|
|
);
|
|
}
|
|
|
|
this.inProgressFetch = null;
|
|
},
|
|
|
|
hasMember(number) {
|
|
return _.contains(this.get('members'), number);
|
|
},
|
|
fetchContacts() {
|
|
if (this.isPrivate()) {
|
|
this.contactCollection.reset([this]);
|
|
return Promise.resolve();
|
|
}
|
|
const members = this.get('members') || [];
|
|
const promises = members.map(number =>
|
|
ConversationController.getOrCreateAndWait(number, 'private')
|
|
);
|
|
|
|
return Promise.all(promises).then(contacts => {
|
|
_.forEach(contacts, contact => {
|
|
this.listenTo(
|
|
contact,
|
|
'change:verified',
|
|
this.onMemberVerifiedChange
|
|
);
|
|
});
|
|
|
|
this.contactCollection.reset(contacts);
|
|
});
|
|
},
|
|
|
|
async destroyMessages() {
|
|
await window.Signal.Data.removeAllMessagesInConversation(this.id, {
|
|
MessageCollection: Whisper.MessageCollection,
|
|
});
|
|
|
|
this.messageCollection.reset([]);
|
|
|
|
this.set({
|
|
lastMessage: null,
|
|
timestamp: null,
|
|
active_at: null,
|
|
});
|
|
await window.Signal.Data.updateConversation(this.id, this.attributes, {
|
|
Conversation: Whisper.Conversation,
|
|
});
|
|
},
|
|
|
|
getName() {
|
|
if (this.isPrivate()) {
|
|
return this.get('name');
|
|
}
|
|
return this.get('name') || 'Unknown group';
|
|
},
|
|
|
|
getTitle() {
|
|
if (this.isPrivate()) {
|
|
return this.get('name') || this.getNumber();
|
|
}
|
|
return this.get('name') || 'Unknown group';
|
|
},
|
|
|
|
getProfileName() {
|
|
if (this.isPrivate() && !this.get('name')) {
|
|
return this.get('profileName');
|
|
}
|
|
return null;
|
|
},
|
|
|
|
getDisplayName() {
|
|
if (!this.isPrivate()) {
|
|
return this.getTitle();
|
|
}
|
|
|
|
const name = this.get('name');
|
|
if (name) {
|
|
return name;
|
|
}
|
|
|
|
const profileName = this.get('profileName');
|
|
if (profileName) {
|
|
return `${this.getNumber()} ~${profileName}`;
|
|
}
|
|
|
|
return this.getNumber();
|
|
},
|
|
|
|
getNumber() {
|
|
if (!this.isPrivate()) {
|
|
return '';
|
|
}
|
|
return this.id;
|
|
},
|
|
|
|
isPrivate() {
|
|
return this.get('type') === 'private';
|
|
},
|
|
|
|
getColor() {
|
|
if (!this.isPrivate()) {
|
|
return 'signal-blue';
|
|
}
|
|
|
|
const { migrateColor } = Util;
|
|
return migrateColor(this.get('color'));
|
|
},
|
|
getAvatarPath() {
|
|
const avatar = this.get('avatar') || this.get('profileAvatar');
|
|
|
|
if (avatar && avatar.path) {
|
|
return getAbsoluteAttachmentPath(avatar.path);
|
|
}
|
|
|
|
return null;
|
|
},
|
|
getAvatar() {
|
|
const title = this.get('name');
|
|
const color = this.getColor();
|
|
const avatar = this.get('avatar') || this.get('profileAvatar');
|
|
|
|
if (avatar && avatar.path) {
|
|
return { url: getAbsoluteAttachmentPath(avatar.path), color };
|
|
} else if (this.isPrivate()) {
|
|
const symbol = this.isValid() ? '#' : '!';
|
|
return {
|
|
color,
|
|
content: title ? title.trim()[0] : symbol,
|
|
};
|
|
}
|
|
return { url: 'images/group_default.png', color };
|
|
},
|
|
|
|
getNotificationIcon() {
|
|
return new Promise(resolve => {
|
|
const avatar = this.getAvatar();
|
|
if (avatar.url) {
|
|
resolve(avatar.url);
|
|
} else {
|
|
resolve(new Whisper.IdenticonSVGView(avatar).getDataUrl());
|
|
}
|
|
});
|
|
},
|
|
|
|
notify(message) {
|
|
if (!message.isIncoming()) {
|
|
if (message.isFriendRequest())
|
|
return this.notifyFriendRequest(message.get('source'), 'requested');
|
|
return Promise.resolve();
|
|
}
|
|
const conversationId = this.id;
|
|
|
|
return ConversationController.getOrCreateAndWait(
|
|
message.get('source'),
|
|
'private'
|
|
).then(sender =>
|
|
sender.getNotificationIcon().then(iconUrl => {
|
|
const messageJSON = message.toJSON();
|
|
const messageSentAt = messageJSON.sent_at;
|
|
const messageId = message.id;
|
|
const isExpiringMessage = Message.hasExpiration(messageJSON);
|
|
|
|
window.log.info('Add notification', {
|
|
conversationId: this.idForLogging(),
|
|
isExpiringMessage,
|
|
messageSentAt,
|
|
});
|
|
Whisper.Notifications.add({
|
|
conversationId,
|
|
iconUrl,
|
|
isExpiringMessage,
|
|
message: message.getNotificationText(),
|
|
messageId,
|
|
messageSentAt,
|
|
title: sender.getTitle(),
|
|
});
|
|
})
|
|
);
|
|
},
|
|
// Notification for friend request received
|
|
async notifyFriendRequest(source, type) {
|
|
// Data validation
|
|
if (!source)
|
|
throw new Error('Invalid source');
|
|
if (!['accepted', 'requested'].includes(type))
|
|
throw new Error('Type must be accepted or requested.');
|
|
|
|
// Call the notification on the right conversation
|
|
let conversation = this;
|
|
if (conversation.id !== source) {
|
|
try {
|
|
conversation = await ConversationController.getOrCreateAndWait(
|
|
source,
|
|
'private'
|
|
);
|
|
window.log.info(`Notify called on a different conversation.
|
|
Expected: ${this.id}. Actual: ${conversation.id}`);
|
|
} catch (e) {
|
|
throw new Error('Failed to fetch conversation.');
|
|
}
|
|
}
|
|
|
|
const isTypeAccepted = type === 'accepted';
|
|
const title = isTypeAccepted
|
|
? 'friendRequestAcceptedNotificationTitle'
|
|
: 'friendRequestNotificationTitle';
|
|
const message = isTypeAccepted
|
|
? 'friendRequestAcceptedNotificationMessage'
|
|
: 'friendRequestNotificationMessage';
|
|
|
|
const iconUrl = await conversation.getNotificationIcon();
|
|
window.log.info('Add notification for friend request updated', {
|
|
conversationId: conversation.idForLogging(),
|
|
});
|
|
Whisper.Notifications.add({
|
|
conversationId: conversation.id,
|
|
iconUrl,
|
|
isExpiringMessage: false,
|
|
message: i18n(message, conversation.getTitle()),
|
|
messageSentAt: Date.now(),
|
|
title: i18n(title),
|
|
});
|
|
},
|
|
});
|
|
|
|
Whisper.ConversationCollection = Backbone.Collection.extend({
|
|
model: Whisper.Conversation,
|
|
|
|
comparator(m) {
|
|
return -m.get('timestamp');
|
|
},
|
|
|
|
async destroyAll() {
|
|
await Promise.all(
|
|
this.models.map(conversation =>
|
|
window.Signal.Data.removeConversation(conversation.id, {
|
|
Conversation: Whisper.Conversation,
|
|
})
|
|
)
|
|
);
|
|
this.reset([]);
|
|
},
|
|
|
|
async search(providedQuery) {
|
|
let query = providedQuery.trim().toLowerCase();
|
|
query = query.replace(/[+-.()]*/g, '');
|
|
|
|
if (query.length === 0) {
|
|
return;
|
|
}
|
|
|
|
const collection = await window.Signal.Data.searchConversations(query, {
|
|
ConversationCollection: Whisper.ConversationCollection,
|
|
});
|
|
|
|
this.reset(collection.models);
|
|
},
|
|
});
|
|
|
|
Whisper.Conversation.COLORS = COLORS.concat(['grey', 'default']).join(' ');
|
|
})();
|