signal-desktop/js/background.js

614 lines
21 KiB
JavaScript

/*
* vim: ts=4:sw=4:expandtab
*/
;(function() {
'use strict';
window.onInvalidStateError = function(e) {
console.log(e);
};
console.log('background page reloaded');
console.log('environment:', window.config.environment);
var initialLoadComplete = false;
window.owsDesktopApp = {};
// start a background worker for ecc
textsecure.startWorker('js/libsignal-protocol-worker.js');
Whisper.KeyChangeListener.init(textsecure.storage.protocol);
textsecure.storage.protocol.on('removePreKey', function() {
getAccountManager().refreshPreKeys();
});
var SERVER_URL = window.config.serverUrl;
var CDN_URL = window.config.cdnUrl;
var messageReceiver;
window.getSocketStatus = function() {
if (messageReceiver) {
return messageReceiver.getStatus();
} else {
return -1;
}
};
Whisper.events = _.clone(Backbone.Events);
var accountManager;
window.getAccountManager = function() {
if (!accountManager) {
var USERNAME = storage.get('number_id');
var PASSWORD = storage.get('password');
accountManager = new textsecure.AccountManager(
SERVER_URL, USERNAME, PASSWORD
);
accountManager.addEventListener('registration', function() {
if (!Whisper.Registration.everDone()) {
storage.put('safety-numbers-approval', false);
}
Whisper.Registration.markDone();
console.log("dispatching registration event");
Whisper.events.trigger('registration_done');
});
}
return accountManager;
};
storage.fetch();
// We need this 'first' check because we don't want to start the app up any other time
// than the first time. And storage.fetch() will cause onready() to fire.
var first = true;
storage.onready(function() {
if (!first) {
return;
}
first = false;
start();
});
Whisper.events.on('shutdown', function() {
if (messageReceiver) {
messageReceiver.close().then(function() {
messageReceiver = null;
Whisper.events.trigger('shutdown-complete');
});
} else {
Whisper.events.trigger('shutdown-complete');
}
});
function start() {
ConversationController.load();
window.dispatchEvent(new Event('storage_ready'));
console.log("listening for registration events");
Whisper.events.on('registration_done', function() {
console.log("handling registration event");
connect(true);
});
var appView = window.owsDesktopApp.appView = new Whisper.AppView({el: $('body')});
Whisper.WallClockListener.init(Whisper.events);
Whisper.RotateSignedPreKeyListener.init(Whisper.events);
Whisper.ExpiringMessagesListener.init(Whisper.events);
if (Whisper.Import.isIncomplete()) {
console.log('Import was interrupted, showing import error screen');
appView.openImporter();
} else if (Whisper.Registration.everDone()) {
connect();
appView.openInbox({
initialLoadComplete: initialLoadComplete
});
} else {
appView.openInstallChoice();
}
Whisper.events.on('showDebugLog', function() {
appView.openDebugLog();
});
Whisper.events.on('unauthorized', function() {
appView.inboxView.networkStatusView.update();
});
Whisper.events.on('reconnectTimer', function() {
appView.inboxView.networkStatusView.setSocketReconnectInterval(60000);
});
Whisper.events.on('contactsync', function() {
if (appView.installView) {
appView.openInbox();
}
});
Whisper.events.on('contactsync:begin', function() {
if (appView.installView && appView.installView.showSync) {
appView.installView.showSync();
}
});
Whisper.Notifications.on('click', function(conversation) {
showWindow();
if (conversation) {
appView.openConversation(conversation);
} else {
appView.openInbox({
initialLoadComplete: initialLoadComplete
});
}
});
}
window.getSyncRequest = function() {
return new textsecure.SyncRequest(textsecure.messaging, messageReceiver);
};
Whisper.events.on('start-shutdown', function() {
if (messageReceiver) {
messageReceiver.close().then(function() {
Whisper.events.trigger('shutdown-complete');
});
messageReceiver = null;
} else {
Whisper.events.trigger('shutdown-complete');
}
});
var connectCount = 0;
function connect(firstRun) {
window.removeEventListener('online', connect);
window.addEventListener('offline', disconnect);
if (!Whisper.Registration.everDone()) { return; }
if (Whisper.Import.isIncomplete()) { return; }
if (messageReceiver) {
messageReceiver.close();
messageReceiver = null;
}
var USERNAME = storage.get('number_id');
var PASSWORD = storage.get('password');
var mySignalingKey = storage.get('signaling_key');
connectCount += 1;
var options = {
retryCached: connectCount === 1,
};
Whisper.Notifications.disable(); // avoid notification flood until empty
// initialize the socket and start listening for messages
messageReceiver = new textsecure.MessageReceiver(
SERVER_URL, USERNAME, PASSWORD, mySignalingKey, options
);
messageReceiver.addEventListener('message', onMessageReceived);
messageReceiver.addEventListener('receipt', onDeliveryReceipt);
messageReceiver.addEventListener('contact', onContactReceived);
messageReceiver.addEventListener('group', onGroupReceived);
messageReceiver.addEventListener('sent', onSentMessage);
messageReceiver.addEventListener('read', onReadReceipt);
messageReceiver.addEventListener('verified', onVerified);
messageReceiver.addEventListener('error', onError);
messageReceiver.addEventListener('empty', onEmpty);
messageReceiver.addEventListener('progress', onProgress);
window.textsecure.messaging = new textsecure.MessageSender(
SERVER_URL, USERNAME, PASSWORD, CDN_URL
);
// Because v0.43.2 introduced a bug that lost contact details, v0.43.4 introduces
// a one-time contact sync to restore all lost contact/group information. We
// disable this checking if a user is first registering.
var key = 'chrome-contact-sync-v0.43.4';
if (!storage.get(key)) {
storage.put(key, true);
if (!firstRun && textsecure.storage.user.getDeviceId() != '1') {
window.getSyncRequest();
}
}
if (firstRun === true && textsecure.storage.user.getDeviceId() != '1') {
if (!storage.get('theme-setting') && textsecure.storage.get('userAgent') === 'OWI') {
storage.put('theme-setting', 'ios');
}
var syncRequest = new textsecure.SyncRequest(textsecure.messaging, messageReceiver);
Whisper.events.trigger('contactsync:begin');
syncRequest.addEventListener('success', function() {
console.log('sync successful');
storage.put('synced_at', Date.now());
Whisper.events.trigger('contactsync');
});
syncRequest.addEventListener('timeout', function() {
console.log('sync timed out');
Whisper.events.trigger('contactsync');
});
}
}
function onEmpty() {
initialLoadComplete = true;
var interval = setInterval(function() {
var view = window.owsDesktopApp.appView;
if (view) {
clearInterval(interval);
interval = null;
view.onEmpty();
}
}, 500);
Whisper.Notifications.enable();
}
function onProgress(ev) {
var count = ev.count;
var view = window.owsDesktopApp.appView;
if (view) {
view.onProgress(count);
}
}
function onContactReceived(ev) {
var details = ev.contactDetails;
var id = details.number;
if (id === textsecure.storage.user.getNumber()) {
// special case for syncing details about ourselves
if (details.profileKey) {
console.log('Got sync message with our own profile key');
storage.put('profileKey', details.profileKey);
}
}
var c = new Whisper.Conversation({
id: id
});
var error = c.validateNumber();
if (error) {
console.log('Invalid contact received', error && error.stack ? error.stack : error);
return;
}
return ConversationController.getOrCreateAndWait(id, 'private')
.then(function(conversation) {
return new Promise(function(resolve, reject) {
if (details.profileKey) {
conversation.set({profileKey: details.profileKey});
}
conversation.save({
name: details.name,
avatar: details.avatar,
color: details.color,
active_at: conversation.get('active_at') || Date.now(),
}).then(resolve, reject);
}).then(function() {
if (details.verified) {
var verified = details.verified;
var ev = new Event('verified');
ev.verified = {
state: verified.state,
destination: verified.destination,
identityKey: verified.identityKey.toArrayBuffer(),
};
ev.viaContactSync = true;
return onVerified(ev);
}
});
})
.then(ev.confirm)
.catch(function(error) {
console.log(
'onContactReceived error:',
error && error.stack ? error.stack : error
);
});
}
function onGroupReceived(ev) {
var details = ev.groupDetails;
var id = details.id;
return ConversationController.getOrCreateAndWait(id, 'group').then(function(conversation) {
var updates = {
name: details.name,
members: details.members,
avatar: details.avatar,
type: 'group',
};
if (details.active) {
updates.active_at = Date.now();
} else {
updates.left = true;
}
return new Promise(function(resolve, reject) {
conversation.save(updates).then(resolve, reject);
}).then(ev.confirm);
});
}
function onMessageReceived(ev) {
var data = ev.data;
if (data.message.flags & textsecure.protobuf.DataMessage.Flags.PROFILE_KEY_UPDATE) {
var profileKey = data.message.profileKey.toArrayBuffer();
return ConversationController.getOrCreateAndWait(data.source, 'private').then(function(sender) {
return sender.setProfileKey(profileKey).then(ev.confirm);
});
}
var message = initIncomingMessage(data);
return isMessageDuplicate(message).then(function(isDuplicate) {
if (isDuplicate) {
console.log('Received duplicate message', message.idForLogging());
ev.confirm();
return;
}
var type, id;
if (data.message.group) {
type = 'group';
id = data.message.group.id;
} else {
type = 'private';
id = data.source;
}
return ConversationController.getOrCreateAndWait(id, type).then(function() {
return message.handleDataMessage(data.message, ev.confirm, {
initialLoadComplete: initialLoadComplete
});
});
});
}
function onSentMessage(ev) {
var now = new Date().getTime();
var data = ev.data;
if (data.message.flags & textsecure.protobuf.DataMessage.Flags.PROFILE_KEY_UPDATE) {
var id = data.message.group ? data.message.group.id : data.destination;
return ConversationController.getOrCreateAndWait(id, 'private').then(function(convo) {
return convo.save({profileSharing: true}).then(ev.confirm);
});
}
var message = new Whisper.Message({
source : textsecure.storage.user.getNumber(),
sourceDevice : data.device,
sent_at : data.timestamp,
received_at : now,
conversationId : data.destination,
type : 'outgoing',
sent : true,
expirationStartTimestamp: data.expirationStartTimestamp,
});
return isMessageDuplicate(message).then(function(isDuplicate) {
if (isDuplicate) {
console.log('Received duplicate message', message.idForLogging());
ev.confirm();
return;
}
var type, id;
if (data.message.group) {
type = 'group';
id = data.message.group.id;
} else {
type = 'private';
id = data.destination;
}
return ConversationController.getOrCreateAndWait(id, type).then(function() {
return message.handleDataMessage(data.message, ev.confirm, {
initialLoadComplete: initialLoadComplete
});
});
});
}
function isMessageDuplicate(message) {
return new Promise(function(resolve) {
var fetcher = new Whisper.Message();
var options = {
index: {
name: 'unique',
value: [
message.get('source'),
message.get('sourceDevice'),
message.get('sent_at')
]
}
};
fetcher.fetch(options).always(function() {
if (fetcher.get('id')) {
return resolve(true);
}
return resolve(false);
});
}).catch(function(error) {
console.log('isMessageDuplicate error:', error && error.stack ? error.stack : error);
return false;
});
}
function initIncomingMessage(data) {
var message = new Whisper.Message({
source : data.source,
sourceDevice : data.sourceDevice,
sent_at : data.timestamp,
received_at : data.receivedAt || Date.now(),
conversationId : data.source,
type : 'incoming',
unread : 1
});
return message;
}
function disconnect() {
window.removeEventListener('offline', disconnect);
window.addEventListener('online', connect);
console.log('offline');
if (messageReceiver) {
messageReceiver.close();
messageReceiver = null;
}
}
function onError(ev) {
var error = ev.error;
console.log(error);
console.log(error.stack);
if (error.name === 'HTTPError' && (error.code == 401 || error.code == 403)) {
Whisper.Registration.remove();
Whisper.events.trigger('unauthorized');
return;
}
if (error.name === 'HTTPError' && error.code == -1) {
// Failed to connect to server
if (navigator.onLine) {
console.log('retrying in 1 minute');
setTimeout(connect, 60000);
Whisper.events.trigger('reconnectTimer');
}
return;
}
if (ev.proto) {
if (error.name === 'MessageCounterError') {
if (ev.confirm) {
ev.confirm();
}
// Ignore this message. It is likely a duplicate delivery
// because the server lost our ack the first time.
return;
}
var envelope = ev.proto;
var message = initIncomingMessage(envelope);
return message.saveErrors(error).then(function() {
var id = message.get('conversationId');
return ConversationController.getOrCreateAndWait(id, 'private').then(function(conversation) {
conversation.set({
active_at: Date.now(),
unreadCount: conversation.get('unreadCount') + 1
});
var conversation_timestamp = conversation.get('timestamp');
var message_timestamp = message.get('timestamp');
if (!conversation_timestamp || message_timestamp > conversation_timestamp) {
conversation.set({ timestamp: message.get('sent_at') });
}
conversation.trigger('newmessage', message);
conversation.notify(message);
if (ev.confirm) {
ev.confirm();
}
return new Promise(function(resolve, reject) {
conversation.save().then(resolve, reject);
});
});
});
}
throw error;
}
function onReadReceipt(ev) {
var read_at = ev.timestamp;
var timestamp = ev.read.timestamp;
var sender = ev.read.sender;
console.log('read receipt', sender, timestamp);
var receipt = Whisper.ReadReceipts.add({
sender : sender,
timestamp : timestamp,
read_at : read_at
});
receipt.on('remove', ev.confirm);
// Calling this directly so we can wait for completion
return Whisper.ReadReceipts.onReceipt(receipt);
}
function onVerified(ev) {
var number = ev.verified.destination;
var key = ev.verified.identityKey;
var state;
var c = new Whisper.Conversation({
id: number
});
var error = c.validateNumber();
if (error) {
console.log(
'Invalid verified sync received',
error && error.stack ? error.stack : error
);
return;
}
switch(ev.verified.state) {
case textsecure.protobuf.Verified.State.DEFAULT:
state = 'DEFAULT';
break;
case textsecure.protobuf.Verified.State.VERIFIED:
state = 'VERIFIED';
break;
case textsecure.protobuf.Verified.State.UNVERIFIED:
state = 'UNVERIFIED';
break;
}
console.log('got verified sync for', number, state,
ev.viaContactSync ? 'via contact sync' : '');
return ConversationController.getOrCreateAndWait(number, 'private').then(function(contact) {
var options = {
viaSyncMessage: true,
viaContactSync: ev.viaContactSync,
key: key
};
if (state === 'VERIFIED') {
return contact.setVerified(options).then(ev.confirm);
} else if (state === 'DEFAULT') {
return contact.setVerifiedDefault(options).then(ev.confirm);
} else {
return contact.setUnverified(options).then(ev.confirm);
}
});
}
function onDeliveryReceipt(ev) {
var pushMessage = ev.proto;
var timestamp = pushMessage.timestamp.toNumber();
console.log(
'delivery receipt from',
pushMessage.source + '.' + pushMessage.sourceDevice,
timestamp
);
var receipt = Whisper.DeliveryReceipts.add({
timestamp: timestamp,
source: pushMessage.source
});
receipt.on('remove', ev.confirm);
// Calling this directly so we can wait for completion
return Whisper.DeliveryReceipts.onReceipt(receipt);
}
})();