signal-desktop/js/models/conversations.js
2018-03-19 19:27:59 -04:00

1315 lines
44 KiB
JavaScript

/* eslint-disable */
/* global Signal: false */
/* global storage: false */
/* global textsecure: false */
/* global Whisper: false */
(function () {
'use strict';
window.Whisper = window.Whisper || {};
const { Attachment, Message } = window.Signal.Types;
// TODO: Factor out private and group subclasses of Conversation
var COLORS = [
'red',
'pink',
'purple',
'deep_purple',
'indigo',
'blue',
'light_blue',
'cyan',
'teal',
'green',
'light_green',
'orange',
'deep_orange',
'amber',
'blue_grey',
];
function constantTimeEqualArrayBuffers(ab1, ab2) {
if (!(ab1 instanceof ArrayBuffer && ab2 instanceof ArrayBuffer)) {
return false;
}
if (ab1.byteLength !== ab2.byteLength) {
return false;
}
var result = 0;
var ta1 = new Uint8Array(ab1);
var ta2 = new Uint8Array(ab2);
for (var i = 0; i < ab1.byteLength; ++i) {
result = result | ta1[i] ^ ta2[i];
}
return result === 0;
}
Whisper.Conversation = Backbone.Model.extend({
database: Whisper.Database,
storeName: 'conversations',
defaults: function() {
return {
unreadCount: 0,
verified: textsecure.storage.protocol.VerifiedStatus.DEFAULT
};
},
idForLogging: function() {
if (this.isPrivate()) {
return this.id;
}
return 'group(' + this.id + ')';
},
handleMessageError: function(message, errors) {
this.trigger('messageError', message, errors);
},
initialize: function() {
this.ourNumber = textsecure.storage.user.getNumber();
this.verifiedEnum = textsecure.storage.protocol.VerifiedStatus;
// This may be overridden by ConversationController.getOrCreate, and signify
// our first save to the database. Or first fetch from the database.
this.initialPromise = Promise.resolve();
this.contactCollection = new Backbone.Collection();
var collator = new Intl.Collator();
this.contactCollection.comparator = function(left, right) {
left = left.getTitle().toLowerCase();
right = right.getTitle().toLowerCase();
return collator.compare(left, right);
};
this.messageCollection = new Whisper.MessageCollection([], {
conversation: this
});
this.messageCollection.on('change:errors', this.handleMessageError, this);
this.messageCollection.on('send-error', this.onMessageError, this);
this.on('change:avatar', this.updateAvatarUrl);
this.on('change:profileAvatar', this.updateAvatarUrl);
this.on('change:profileKey', this.onChangeProfileKey);
this.on('destroy', this.revokeAvatarUrl);
},
isMe: function() {
return this.id === this.ourNumber;
},
onMessageError: function() {
this.updateVerified();
},
safeGetVerified: function() {
return textsecure.storage.protocol.getVerified(this.id).catch(function() {
return textsecure.storage.protocol.VerifiedStatus.DEFAULT;
});
},
updateVerified: function() {
if (this.isPrivate()) {
return Promise.all([
this.safeGetVerified(),
this.initialPromise,
]).then(function(results) {
var trust = results[0];
// we don't return here because we don't need to wait for this to finish
this.save({verified: trust});
}.bind(this));
} else {
return this.fetchContacts().then(function() {
return Promise.all(this.contactCollection.map(function(contact) {
if (!contact.isMe()) {
return contact.updateVerified();
}
}.bind(this)));
}.bind(this)).then(this.onMemberVerifiedChange.bind(this));
}
},
setVerifiedDefault: function(options) {
var DEFAULT = this.verifiedEnum.DEFAULT;
return this.queueJob(function() {
return this._setVerified(DEFAULT, options);
}.bind(this));
},
setVerified: function(options) {
var VERIFIED = this.verifiedEnum.VERIFIED;
return this.queueJob(function() {
return this._setVerified(VERIFIED, options);
}.bind(this));
},
setUnverified: function(options) {
var UNVERIFIED = this.verifiedEnum.UNVERIFIED;
return this.queueJob(function() {
return this._setVerified(UNVERIFIED, options);
}.bind(this));
},
_setVerified: function(verified, options) {
options = options || {};
_.defaults(options, {viaSyncMessage: false, viaContactSync: false, key: null});
var DEFAULT = this.verifiedEnum.DEFAULT;
var VERIFIED = this.verifiedEnum.VERIFIED;
var UNVERIFIED = this.verifiedEnum.UNVERIFIED;
if (!this.isPrivate()) {
throw new Error('You cannot verify a group conversation. ' +
'You must verify individual contacts.');
}
var beginningVerified = this.get('verified');
var promise;
if (options.viaSyncMessage) {
// handle the incoming key from the sync messages - need different
// behavior if that key doesn't match the current key
promise = textsecure.storage.protocol.processVerifiedMessage(
this.id, verified, options.key
);
} else {
promise = textsecure.storage.protocol.setVerified(
this.id, verified
);
}
var keychange;
return promise.then(function(updatedKey) {
keychange = updatedKey;
return new Promise(function(resolve) {
return this.save({verified: verified}).always(resolve);
}.bind(this));
}.bind(this)).then(function() {
// Three situations result in a verification notice in the conversation:
// 1) The message came from an explicit verification in another client (not
// a contact sync)
// 2) The verification value received by the contact sync is different
// from what we have on record (and it's not a transition to UNVERIFIED)
// 3) Our local verification status is VERIFIED and it hasn't changed,
// but the key did change (Key1/VERIFIED to Key2/VERIFIED - but we don't
// want to show DEFAULT->DEFAULT or UNVERIFIED->UNVERIFIED)
if (!options.viaContactSync
|| (beginningVerified !== verified && verified !== UNVERIFIED)
|| (keychange && verified === VERIFIED)) {
this.addVerifiedChange(this.id, verified === VERIFIED, {local: !options.viaSyncMessage});
}
if (!options.viaSyncMessage) {
return this.sendVerifySyncMessage(this.id, verified);
}
}.bind(this));
},
sendVerifySyncMessage: function(number, state) {
return textsecure.storage.protocol.loadIdentityKey(number).then(function(key) {
return textsecure.messaging.syncVerification(number, state, key);
});
},
getIdentityKeys: function() {
var lookup = {};
if (this.isPrivate()) {
return textsecure.storage.protocol.loadIdentityKey(this.id).then(function(key) {
lookup[this.id] = key;
return lookup;
}.bind(this)).catch(function(error) {
console.log(
'getIdentityKeys error for conversation',
this.idForLogging(),
error && error.stack ? error.stack : error
);
return lookup;
}.bind(this));
} else {
return Promise.all(this.contactCollection.map(function(contact) {
return textsecure.storage.protocol.loadIdentityKey(contact.id).then(function(key) {
lookup[contact.id] = key;
}).catch(function(error) {
console.log(
'getIdentityKeys error for group member',
contact.idForLogging(),
error && error.stack ? error.stack : error
);
});
})).then(function() {
return lookup;
});
}
},
replay: function(error, message) {
var replayable = new textsecure.ReplayableError(error);
return replayable.replay(message.attributes).catch(function(error) {
console.log(
'replay error:',
error && error.stack ? error.stack : error
);
});
},
decryptOldIncomingKeyErrors: function() {
// We want to run just once per conversation
if (this.get('decryptedOldIncomingKeyErrors')) {
return Promise.resolve();
}
console.log('decryptOldIncomingKeyErrors start for', this.idForLogging());
var messages = this.messageCollection.filter(function(message) {
var errors = message.get('errors');
if (!errors || !errors[0]) {
return false;
}
var error = _.find(errors, function(error) {
return error.name === 'IncomingIdentityKeyError';
});
return Boolean(error);
});
var markComplete = function() {
console.log('decryptOldIncomingKeyErrors complete for', this.idForLogging());
return new Promise(function(resolve) {
this.save({decryptedOldIncomingKeyErrors: true}).always(resolve);
}.bind(this));
}.bind(this);
if (!messages.length) {
return markComplete();
}
console.log('decryptOldIncomingKeyErrors found', messages.length, 'messages to process');
var safeDelete = function(message) {
return new Promise(function(resolve) {
message.destroy().always(resolve);
});
};
return this.getIdentityKeys().then(function(lookup) {
return Promise.all(_.map(messages, function(message) {
var source = message.get('source');
var error = _.find(message.get('errors'), function(error) {
return error.name === 'IncomingIdentityKeyError';
});
var key = lookup[source];
if (!key) {
return;
}
if (constantTimeEqualArrayBuffers(key, error.identityKey)) {
return this.replay(error, message).then(function() {
return safeDelete(message);
});
}
}.bind(this)));
}.bind(this)).catch(function(error) {
console.log(
'decryptOldIncomingKeyErrors error:',
error && error.stack ? error.stack : error
);
}).then(markComplete);
},
isVerified: function() {
if (this.isPrivate()) {
return this.get('verified') === this.verifiedEnum.VERIFIED;
} else {
if (!this.contactCollection.length) {
return false;
}
return this.contactCollection.every(function(contact) {
if (contact.isMe()) {
return true;
} else {
return contact.isVerified();
}
}.bind(this));
}
},
isUnverified: function() {
if (this.isPrivate()) {
var verified = this.get('verified');
return verified !== this.verifiedEnum.VERIFIED && verified !== this.verifiedEnum.DEFAULT;
} else {
if (!this.contactCollection.length) {
return true;
}
return this.contactCollection.any(function(contact) {
if (contact.isMe()) {
return false;
} else {
return contact.isUnverified();
}
}.bind(this));
}
},
getUnverified: function() {
if (this.isPrivate()) {
return this.isUnverified() ? new Backbone.Collection([this]) : new Backbone.Collection();
} else {
return new Backbone.Collection(this.contactCollection.filter(function(contact) {
if (contact.isMe()) {
return false;
} else {
return contact.isUnverified();
}
}.bind(this)));
}
},
setApproved: function() {
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: function() {
return textsecure.storage.protocol.isUntrusted(this.id).catch(function() {
return false;
});
},
isUntrusted: function() {
if (this.isPrivate()) {
return this.safeIsUntrusted();
} else {
if (!this.contactCollection.length) {
return Promise.resolve(false);
}
return Promise.all(this.contactCollection.map(function(contact) {
if (contact.isMe()) {
return false;
} else {
return contact.safeIsUntrusted();
}
}.bind(this))).then(function(results) {
return _.any(results, function(result) {
return result;
});
});
}
},
getUntrusted: function() {
// 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(function(untrusted) {
if (untrusted) {
return new Backbone.Collection([this]);
}
return new Backbone.Collection();
}.bind(this));
} else {
return Promise.all(this.contactCollection.map(function(contact) {
if (contact.isMe()) {
return [false, contact];
} else {
return Promise.all([contact.isUntrusted(), contact]);
}
}.bind(this))).then(function(results) {
results = _.filter(results, function(result) {
var untrusted = result[0];
return untrusted;
});
return new Backbone.Collection(_.map(results, function(result) {
var contact = result[1];
return contact;
}));
}.bind(this));
}
},
onMemberVerifiedChange: function() {
// 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: function() {
if (this.isVerified()) {
return this.setVerifiedDefault();
} else {
return this.setVerified();
}
},
addKeyChange: function(id) {
console.log(
'adding key change advisory for',
this.idForLogging(),
id,
this.get('timestamp')
);
var timestamp = Date.now();
var message = new Whisper.Message({
conversationId : this.id,
type : 'keychange',
sent_at : this.get('timestamp'),
received_at : timestamp,
key_changed : id,
unread : 1
});
message.save().then(this.trigger.bind(this,'newmessage', message));
},
addVerifiedChange: function(id, verified, options) {
options = options || {};
_.defaults(options, {local: true});
if (this.isMe()) {
console.log('refusing to add verified change advisory for our own number');
return;
}
var lastMessage = this.get('timestamp') || Date.now();
console.log(
'adding verified change advisory for',
this.idForLogging(),
id,
lastMessage
);
var timestamp = Date.now();
var message = new Whisper.Message({
conversationId : this.id,
type : 'verified-change',
sent_at : lastMessage,
received_at : timestamp,
verifiedChanged : id,
verified : verified,
local : options.local,
unread : 1
});
message.save().then(this.trigger.bind(this,'newmessage', message));
if (this.isPrivate()) {
ConversationController.getAllGroupsInvolvingId(id).then(function(groups) {
_.forEach(groups, function(group) {
group.addVerifiedChange(id, verified, options);
});
});
}
},
onReadMessage: function(message) {
if (this.messageCollection.get(message.id)) {
this.messageCollection.get(message.id).fetch();
}
// 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(function() {
return this.markRead(message.get('received_at'), {sendReadReceipts: false});
}.bind(this));
},
getUnread: function() {
var conversationId = this.id;
var unreadMessages = new Whisper.MessageCollection();
return new Promise(function(resolve) {
return unreadMessages.fetch({
index: {
// 'unread' index
name : 'unread',
lower : [conversationId],
upper : [conversationId, Number.MAX_VALUE],
}
}).always(function() {
resolve(unreadMessages);
});
});
},
validate: function(attributes, options) {
var required = ['id', 'type'];
var missing = _.filter(required, function(attr) { return !attributes[attr]; });
if (missing.length) { return "Conversation must have " + missing; }
if (attributes.type !== 'private' && attributes.type !== 'group') {
return "Invalid conversation type: " + attributes.type;
}
var error = this.validateNumber();
if (error) { return error; }
this.updateTokens();
},
validateNumber: function() {
if (this.isPrivate()) {
var regionCode = storage.get('regionCode');
var number = libphonenumber.util.parseNumber(this.id, regionCode);
if (number.isValidNumber) {
this.set({ id: number.e164 });
} else {
return number.error || "Invalid phone number";
}
}
},
updateTokens: function() {
var tokens = [];
var name = this.get('name');
if (typeof name === 'string') {
tokens.push(name.toLowerCase());
tokens = tokens.concat(name.trim().toLowerCase().split(/[\s\-_\(\)\+]+/));
}
if (this.isPrivate()) {
var regionCode = storage.get('regionCode');
var number = libphonenumber.util.parseNumber(this.id, regionCode);
tokens.push(
number.nationalNumber,
number.countryCode + number.nationalNumber
);
}
this.set({tokens: tokens});
},
queueJob: function(callback) {
var previous = this.pending || Promise.resolve();
var taskWithTimeout = textsecure.createTaskWithTimeout(
callback,
'conversation ' + this.idForLogging()
);
var current = this.pending = previous.then(taskWithTimeout, taskWithTimeout);
current.then(function() {
if (this.pending === current) {
delete this.pending;
}
}.bind(this));
return current;
},
getRecipients: function() {
if (this.isPrivate()) {
return [ this.id ];
} else {
var me = textsecure.storage.user.getNumber();
return _.without(this.get('members'), me);
}
},
/* jshint ignore:start */
/* eslint-enable */
sendMessage(body, attachments) {
this.queueJob(async () => {
const now = Date.now();
console.log(
'Sending message to conversation',
this.idForLogging(),
'with timestamp',
now
);
const messageWithSchema = await Message.upgradeSchema({
type: 'outgoing',
body,
conversationId: this.id,
attachments,
sent_at: now,
received_at: now,
expireTimer: this.get('expireTimer'),
recipients: this.getRecipients(),
});
const message = this.messageCollection.add(messageWithSchema);
if (this.isPrivate()) {
message.set({ destination: this.id });
}
message.save();
this.save({
active_at: now,
timestamp: now,
lastMessage: message.getNotificationText(),
});
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}'`);
}
})();
let profileKey;
if (this.get('profileSharing')) {
profileKey = storage.get('profileKey');
}
message.send(sendFunction(
this.get('id'),
body,
messageWithSchema.attachments,
now,
this.get('expireTimer'),
profileKey
));
});
},
/* jshint ignore:end */
/* eslint-disable */
updateLastMessage: function() {
var collection = new Whisper.MessageCollection();
return collection.fetchConversation(this.id, 1).then(function() {
var lastMessage = collection.at(0);
if (lastMessage) {
var type = lastMessage.get('type');
var shouldSkipUpdate = type === 'verified-change' || lastMessage.get('expirationTimerUpdate');
if (shouldSkipUpdate) {
return;
}
this.set({
lastMessage : lastMessage.getNotificationText(),
timestamp : lastMessage.get('sent_at')
});
} else {
this.set({ lastMessage: '', timestamp: null });
}
if (this.hasChanged('lastMessage') || this.hasChanged('timestamp')) {
this.save();
}
}.bind(this));
},
updateExpirationTimer: function(expireTimer, source, received_at, options) {
options = options || {};
_.defaults(options, {fromSync: false});
if (!expireTimer) {
expireTimer = null;
}
if (this.get('expireTimer') === expireTimer
|| (!expireTimer && !this.get('expireTimer'))) {
return;
}
console.log(
'Updating expireTimer for conversation',
this.idForLogging(),
'to',
expireTimer,
'via',
source
);
source = source || textsecure.storage.user.getNumber();
var timestamp = received_at || Date.now();
var message = this.messageCollection.add({
conversationId : this.id,
type : received_at ? 'incoming' : 'outgoing',
sent_at : timestamp,
received_at : timestamp,
flags : textsecure.protobuf.DataMessage.Flags.EXPIRATION_TIMER_UPDATE,
expirationTimerUpdate : {
expireTimer : expireTimer,
source : source,
fromSync : options.fromSync,
}
});
if (this.isPrivate()) {
message.set({destination: this.id});
}
if (message.isOutgoing()) {
message.set({recipients: this.getRecipients() });
}
return Promise.all([
wrapDeferred(message.save()),
wrapDeferred(this.save({ expireTimer: expireTimer })),
]).then(function() {
if (message.isIncoming()) {
return message;
}
// change was made locally, send it to the number/group
var sendFunc;
if (this.get('type') == 'private') {
sendFunc = textsecure.messaging.sendExpirationTimerUpdateToNumber;
}
else {
sendFunc = textsecure.messaging.sendExpirationTimerUpdateToGroup;
}
var profileKey;
if (this.get('profileSharing')) {
profileKey = storage.get('profileKey');
}
var promise = sendFunc(this.get('id'),
this.get('expireTimer'),
message.get('sent_at'),
profileKey
);
return message.send(promise).then(function() {
return message;
});
}.bind(this));
},
isSearchable: function() {
return !this.get('left') || !!this.get('lastMessage');
},
endSession: function() {
if (this.isPrivate()) {
var now = Date.now();
var message = this.messageCollection.create({
conversationId : this.id,
type : 'outgoing',
sent_at : now,
received_at : now,
destination : this.id,
recipients : this.getRecipients(),
flags : textsecure.protobuf.DataMessage.Flags.END_SESSION
});
message.send(textsecure.messaging.resetSession(this.id, now));
}
},
updateGroup: function(group_update) {
if (this.isPrivate()) {
throw new Error("Called update group on private conversation");
}
if (group_update === undefined) {
group_update = this.pick(['name', 'avatar', 'members']);
}
var now = Date.now();
var message = this.messageCollection.create({
conversationId : this.id,
type : 'outgoing',
sent_at : now,
received_at : now,
group_update : group_update
});
message.send(textsecure.messaging.updateGroup(
this.id,
this.get('name'),
this.get('avatar'),
this.get('members')
));
},
leaveGroup: function() {
var now = Date.now();
if (this.get('type') === 'group') {
this.save({left: true});
var message = this.messageCollection.create({
group_update: { left: 'You' },
conversationId : this.id,
type : 'outgoing',
sent_at : now,
received_at : now
});
message.send(textsecure.messaging.leaveGroup(this.id));
}
},
markRead: function(newestUnreadDate, options) {
options = options || {};
_.defaults(options, {sendReadReceipts: true});
var conversationId = this.id;
Whisper.Notifications.remove(Whisper.Notifications.where({
conversationId: conversationId
}));
return this.getUnread().then(function(unreadMessages) {
var promises = [];
var oldUnread = unreadMessages.filter(function(message) {
return message.get('received_at') <= newestUnreadDate;
});
var read = _.map(oldUnread, function(m) {
if (this.messageCollection.get(m.id)) {
m = this.messageCollection.get(m.id);
} else {
console.log('Marked a message as read in the database, but ' +
'it was not in messageCollection.');
}
promises.push(m.markRead());
var errors = m.get('errors');
return {
sender : m.get('source'),
timestamp : m.get('sent_at'),
hasErrors : Boolean(errors && errors.length)
};
}.bind(this));
// Some messages we're marking read are local notifications with no sender
read = _.filter(read, function(m) {
return Boolean(m.sender);
});
unreadMessages = unreadMessages.filter(function(m) {
return Boolean(m.isIncoming());
});
var unreadCount = unreadMessages.length - read.length;
var promise = new Promise(function(resolve, reject) {
this.save({ unreadCount: unreadCount }).then(resolve, reject);
}.bind(this));
promises.push(promise);
// 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(function(item) {
return !item.hasErrors;
});
if (read.length && options.sendReadReceipts) {
console.log('Sending', read.length, 'read receipts');
promises.push(textsecure.messaging.syncReadMessages(read));
if (storage.get('read-receipt-setting')) {
_.each(_.groupBy(read, 'sender'), function(receipts, sender) {
var timestamps = _.map(receipts, 'timestamp');
promises.push(textsecure.messaging.sendReadReceipts(sender, timestamps));
});
}
}
return Promise.all(promises);
}.bind(this));
},
onChangeProfileKey: function() {
if (this.isPrivate()) {
this.getProfiles();
}
},
getProfiles: function() {
// request all conversation members' keys
var ids = [];
if (this.isPrivate()) {
ids = [this.id];
} else {
ids = this.get('members');
}
return Promise.all(_.map(ids, this.getProfile));
},
getProfile: function(id) {
if (!textsecure.messaging) {
var message = 'Conversation.getProfile: textsecure.messaging not available';
return Promise.reject(new Error(message));
}
return textsecure.messaging.getProfile(id).then(function(profile) {
var identityKey = dcodeIO.ByteBuffer.wrap(profile.identityKey, 'base64').toArrayBuffer();
return textsecure.storage.protocol.saveIdentity(
id + '.1', identityKey, false
).then(function(changed) {
if (changed) {
// save identity will close all sessions except for .1, so we
// must close that one manually.
var address = new libsignal.SignalProtocolAddress(id, 1);
console.log('closing session for', address.toString());
var sessionCipher = new libsignal.SessionCipher(textsecure.storage.protocol, address);
return sessionCipher.closeOpenSessionForDevice();
}
}).then(function() {
var c = ConversationController.get(id);
return Promise.all([
c.setProfileName(profile.name),
c.setProfileAvatar(profile.avatar)
]).then(function() {
// success
return new Promise(function(resolve, reject) {
c.save().then(resolve, reject);
});
}, function(e) {
// fail
if (e.name === 'ProfileDecryptError') {
// probably the profile key has changed.
console.log(
'decryptProfile error:',
id,
profile,
e && e.stack ? e.stack : e
);
}
});
}.bind(this));
}.bind(this)).catch(function(error) {
console.log(
'getProfile error:',
error && error.stack ? error.stack : error
);
});
},
setProfileName: function(encryptedName) {
var key = this.get('profileKey');
if (!key) { return; }
try {
// decode
var data = dcodeIO.ByteBuffer.wrap(encryptedName, 'base64').toArrayBuffer();
// decrypt
return textsecure.crypto.decryptProfileName(data, key).then(function(decrypted) {
// encode
var name = dcodeIO.ByteBuffer.wrap(decrypted).toString('utf8');
// set
this.set({profileName: name});
}.bind(this));
}
catch (e) {
return Promise.reject(e);
}
},
setProfileAvatar: function(avatarPath) {
if (!avatarPath) { return; }
return textsecure.messaging.getAvatar(avatarPath).then(function(avatar) {
var key = this.get('profileKey');
if (!key) { return; }
// decrypt
return textsecure.crypto.decryptProfile(avatar, key).then(function(decrypted) {
// set
this.set({
profileAvatar: {
data: decrypted,
contentType: 'image/jpeg',
size: decrypted.byteLength
}
});
}.bind(this));
}.bind(this));
},
setProfileKey: function(key) {
return new Promise(function(resolve, reject) {
if (!constantTimeEqualArrayBuffers(this.get('profileKey'), key)) {
this.save({profileKey: key}).then(resolve, reject);
} else {
resolve();
}
}.bind(this));
},
fetchMessages: function() {
if (!this.id) {
return Promise.reject('This conversation has no id!');
}
return this.messageCollection.fetchConversation(this.id, null, this.get('unreadCount'));
},
hasMember: function(number) {
return _.contains(this.get('members'), number);
},
fetchContacts: function(options) {
if (this.isPrivate()) {
this.contactCollection.reset([this]);
return Promise.resolve();
} else {
var members = this.get('members') || [];
var promises = members.map(function(number) {
return ConversationController.getOrCreateAndWait(number, 'private');
});
return Promise.all(promises).then(function(contacts) {
_.forEach(contacts, function(contact) {
this.listenTo(contact, 'change:verified', this.onMemberVerifiedChange);
}.bind(this));
this.contactCollection.reset(contacts);
}.bind(this));
}
},
destroyMessages: function() {
this.messageCollection.fetch({
index: {
// 'conversation' index on [conversationId, received_at]
name : 'conversation',
lower : [this.id],
upper : [this.id, Number.MAX_VALUE],
}
}).then(function() {
var models = this.messageCollection.models;
this.messageCollection.reset([]);
_.each(models, function(message) {
message.destroy();
});
this.save({
lastMessage: null,
timestamp: null,
active_at: null,
});
}.bind(this));
},
getName: function() {
if (this.isPrivate()) {
return this.get('name');
} else {
return this.get('name') || 'Unknown group';
}
},
getTitle: function() {
if (this.isPrivate()) {
return this.get('name') || this.getNumber();
} else {
return this.get('name') || 'Unknown group';
}
},
getProfileName: function() {
if (this.isPrivate() && !this.get('name')) {
return this.get('profileName');
}
},
getDisplayName: function() {
if (!this.isPrivate()) {
return this.getTitle();
}
var name = this.get('name');
if (name) {
return name;
}
var profileName = this.get('profileName');
if (profileName) {
return this.getNumber() + ' ~' + profileName;
}
return this.getNumber();
},
getNumber: function() {
if (!this.isPrivate()) {
return '';
}
var number = this.id;
try {
var parsedNumber = libphonenumber.parse(number);
var regionCode = libphonenumber.getRegionCodeForNumber(parsedNumber);
if (regionCode === storage.get('regionCode')) {
return libphonenumber.format(parsedNumber, libphonenumber.PhoneNumberFormat.NATIONAL);
} else {
return libphonenumber.format(parsedNumber, libphonenumber.PhoneNumberFormat.INTERNATIONAL);
}
} catch (e) {
return number;
}
},
isPrivate: function() {
return this.get('type') === 'private';
},
revokeAvatarUrl: function() {
if (this.avatarUrl) {
URL.revokeObjectURL(this.avatarUrl);
this.avatarUrl = null;
}
},
updateAvatarUrl: function(silent) {
this.revokeAvatarUrl();
var avatar = this.get('avatar') || this.get('profileAvatar');
if (avatar) {
this.avatarUrl = URL.createObjectURL(
new Blob([avatar.data], {type: avatar.contentType})
);
} else {
this.avatarUrl = null;
}
if (!silent) {
this.trigger('change');
}
},
getColor: function() {
var title = this.get('name');
var color = this.get('color');
if (!color) {
if (this.isPrivate()) {
if (title) {
color = COLORS[Math.abs(this.hashCode()) % 15];
} else {
color = 'grey';
}
} else {
color = 'default';
}
}
return color;
},
getAvatar: function() {
if (this.avatarUrl === undefined) {
this.updateAvatarUrl(true);
}
var title = this.get('name');
var color = this.getColor();
if (this.avatarUrl) {
return { url: this.avatarUrl, color: color };
} else if (this.isPrivate()) {
return {
color: color,
content: title ? title.trim()[0] : '#'
};
} else {
return { url: 'images/group_default.png', color: color };
}
},
getNotificationIcon: function() {
return new Promise(function(resolve) {
var avatar = this.getAvatar();
if (avatar.url) {
resolve(avatar.url);
} else {
resolve(new Whisper.IdenticonSVGView(avatar).getDataUrl());
}
}.bind(this));
},
notify: function(message) {
if (!message.isIncoming()) {
return Promise.resolve();
}
var conversationId = this.id;
return ConversationController.getOrCreateAndWait(message.get('source'), 'private')
.then(function(sender) {
return sender.getNotificationIcon().then(function(iconUrl) {
console.log('adding notification');
Whisper.Notifications.add({
title : sender.getTitle(),
message : message.getNotificationText(),
iconUrl : iconUrl,
imageUrl : message.getImageUrl(),
conversationId : conversationId,
messageId : message.id
});
});
});
},
hashCode: function() {
if (this.hash === undefined) {
var string = this.getTitle() || '';
if (string.length === 0) {
return 0;
}
var hash = 0;
for (var i = 0; i < string.length; i++) {
hash = ((hash<<5)-hash) + string.charCodeAt(i);
hash = hash & hash; // Convert to 32bit integer
}
this.hash = hash;
}
return this.hash;
}
});
Whisper.ConversationCollection = Backbone.Collection.extend({
database: Whisper.Database,
storeName: 'conversations',
model: Whisper.Conversation,
comparator: function(m) {
return -m.get('timestamp');
},
destroyAll: function () {
return Promise.all(this.models.map(function(m) {
return new Promise(function(resolve, reject) {
m.destroy().then(resolve).fail(reject);
});
}));
},
search: function(query) {
query = query.trim().toLowerCase();
if (query.length > 0) {
query = query.replace(/[-.\(\)]*/g,'').replace(/^\+(\d*)$/, '$1');
var lastCharCode = query.charCodeAt(query.length - 1);
var nextChar = String.fromCharCode(lastCharCode + 1);
var upper = query.slice(0, -1) + nextChar;
return new Promise(function(resolve) {
this.fetch({
index: {
name: 'search', // 'search' index on tokens array
lower: query,
upper: upper,
excludeUpper: true
}
}).always(resolve);
}.bind(this));
}
},
fetchAlphabetical: function() {
return new Promise(function(resolve) {
this.fetch({
index: {
name: 'search', // 'search' index on tokens array
},
limit: 100
}).always(resolve);
}.bind(this));
},
fetchGroups: function(number) {
return new Promise(function(resolve) {
this.fetch({
index: {
name: 'group',
only: number
}
}).always(resolve);
}.bind(this));
}
});
Whisper.Conversation.COLORS = COLORS.concat(['grey', 'default']).join(' ');
// Special collection for fetching all the groups a certain number appears in
Whisper.GroupCollection = Backbone.Collection.extend({
database: Whisper.Database,
storeName: 'conversations',
model: Whisper.Conversation,
fetchGroups: function(number) {
return new Promise(function(resolve) {
this.fetch({
index: {
name: 'group',
only: number
}
}).always(resolve);
}.bind(this));
}
});
})();