Move handleAttachment and processDecrypted
Make these internal methods on MessageReceiver. Todo: refactor identity key errors to use a given message receiver. // FREEBIE
This commit is contained in:
lilia
parent
a8f4bac2f7
commit
c8a1e090d2
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@ -38628,114 +38628,6 @@ window.textsecure.utils = function() {
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return self;
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}();
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function handleAttachment(attachment) {
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function getAttachment() {
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return TextSecureServer.getAttachment(attachment.id.toString());
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}
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function decryptAttachment(encrypted) {
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return textsecure.crypto.decryptAttachment(
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encrypted,
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attachment.key.toArrayBuffer()
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);
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}
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function updateAttachment(data) {
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attachment.data = data;
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}
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return getAttachment().
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then(decryptAttachment).
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then(updateAttachment);
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}
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function processDecrypted(decrypted, source) {
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// Now that its decrypted, validate the message and clean it up for consumer processing
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// Note that messages may (generally) only perform one action and we ignore remaining fields
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// after the first action.
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if (decrypted.flags == null)
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decrypted.flags = 0;
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if ((decrypted.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION)
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== textsecure.protobuf.DataMessage.Flags.END_SESSION) {
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decrypted.body = null;
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decrypted.attachments = [];
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decrypted.group = null;
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return Promise.resolve(decrypted);
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}
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if (decrypted.flags != 0) {
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throw new Error("Unknown flags in message");
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}
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var promises = [];
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if (decrypted.group !== null) {
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decrypted.group.id = getString(decrypted.group.id);
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if (decrypted.group.type == textsecure.protobuf.GroupContext.Type.UPDATE) {
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if (decrypted.group.avatar !== null) {
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promises.push(handleAttachment(decrypted.group.avatar));
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}
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}
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promises.push(textsecure.storage.groups.getNumbers(decrypted.group.id).then(function(existingGroup) {
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if (existingGroup === undefined) {
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if (decrypted.group.type != textsecure.protobuf.GroupContext.Type.UPDATE) {
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throw new Error("Got message for unknown group");
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}
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return textsecure.storage.groups.createNewGroup(decrypted.group.members, decrypted.group.id);
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} else {
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var fromIndex = existingGroup.indexOf(source);
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if (fromIndex < 0) {
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//TODO: This could be indication of a race...
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throw new Error("Sender was not a member of the group they were sending from");
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}
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switch(decrypted.group.type) {
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case textsecure.protobuf.GroupContext.Type.UPDATE:
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return textsecure.storage.groups.updateNumbers(
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decrypted.group.id, decrypted.group.members
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).then(function(added) {
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decrypted.group.added = added;
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if (decrypted.group.avatar === null &&
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decrypted.group.added.length == 0 &&
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decrypted.group.name === null) {
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return;
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}
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decrypted.body = null;
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decrypted.attachments = [];
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});
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break;
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case textsecure.protobuf.GroupContext.Type.QUIT:
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decrypted.body = null;
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decrypted.attachments = [];
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return textsecure.storage.groups.removeNumber(decrypted.group.id, source);
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case textsecure.protobuf.GroupContext.Type.DELIVER:
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decrypted.group.name = null;
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decrypted.group.members = [];
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decrypted.group.avatar = null;
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break;
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default:
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throw new Error("Unknown group message type");
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}
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}
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}));
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}
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for (var i in decrypted.attachments) {
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promises.push(handleAttachment(decrypted.attachments[i]));
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}
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return Promise.all(promises).then(function() {
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return decrypted;
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});
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}
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/*
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* vim: ts=4:sw=4:expandtab
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@ -39289,303 +39181,400 @@ var TextSecureServer = (function() {
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* vim: ts=4:sw=4:expandtab
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*/
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;(function () {
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'use strict';
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window.textsecure = window.textsecure || {};
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function MessageReceiver(url, username, password, signalingKey) {
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this.url = url;
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this.signalingKey = signalingKey;
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this.username = username;
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this.password = password;
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this.server = new TextSecureServer(url, username, password);
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function MessageReceiver(url, username, password, signalingKey) {
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this.url = url;
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this.signalingKey = signalingKey;
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this.username = username;
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this.password = password;
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this.server = new TextSecureServer(url, username, password);
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var unencoded = textsecure.utils.unencodeNumber(username);
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this.number = unencoded[0];
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this.deviceId = unencoded[1];
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this.connect();
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}
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MessageReceiver.prototype = {
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constructor: MessageReceiver,
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connect: function() {
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if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
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this.socket.close();
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}
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console.log('opening websocket');
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// initialize the socket and start listening for messages
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this.socket = this.server.getMessageSocket();
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this.socket.onclose = this.onclose.bind(this);
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this.socket.onerror = this.onerror.bind(this);
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this.socket.onopen = this.onopen.bind(this);
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this.wsr = new WebSocketResource(this.socket, {
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handleRequest: this.handleRequest.bind(this),
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keepalive: { path: '/v1/keepalive', disconnect: true }
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});
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},
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close: function() {
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this.wsr.close();
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delete this.listeners;
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},
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onopen: function() {
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console.log('websocket open');
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},
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onerror: function(error) {
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console.log('websocket error');
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},
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onclose: function(ev) {
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var eventTarget = this;
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console.log('websocket closed', ev.code);
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// possible 403 or network issue. Make an request to confirm
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this.server.getDevices(this.number).
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then(this.connect.bind(this)). // No HTTP error? Reconnect
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catch(function(e) {
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var ev = new Event('error');
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ev.error = e;
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eventTarget.dispatchEvent(ev);
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});
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},
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handleRequest: function(request) {
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this.wsr.resetKeepAliveTimer();
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// TODO: handle different types of requests. for now we only expect
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// PUT /messages <encrypted IncomingPushMessageSignal>
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textsecure.crypto.decryptWebsocketMessage(request.body, this.signalingKey).then(function(plaintext) {
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var envelope = textsecure.protobuf.Envelope.decode(plaintext);
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// After this point, decoding errors are not the server's
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// fault, and we should handle them gracefully and tell the
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// user they received an invalid message
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request.respond(200, 'OK');
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if (envelope.type === textsecure.protobuf.Envelope.Type.RECEIPT) {
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this.onDeliveryReceipt(envelope);
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} else if (envelope.content) {
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this.handleContentMessage(envelope);
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} else if (envelope.legacyMessage) {
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this.handleLegacyMessage(envelope);
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} else {
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throw new Error('Received message with no content and no legacyMessage');
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}
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}.bind(this)).catch(function(e) {
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request.respond(500, 'Bad encrypted websocket message');
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console.log("Error handling incoming message:", e);
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var unencoded = textsecure.utils.unencodeNumber(username);
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this.number = unencoded[0];
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this.deviceId = unencoded[1];
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}
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MessageReceiver.prototype = {
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constructor: MessageReceiver,
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connect: function() {
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if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
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this.socket.close();
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}
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console.log('opening websocket');
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// initialize the socket and start listening for messages
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this.socket = this.server.getMessageSocket();
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this.socket.onclose = this.onclose.bind(this);
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this.socket.onerror = this.onerror.bind(this);
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this.socket.onopen = this.onopen.bind(this);
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this.wsr = new WebSocketResource(this.socket, {
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handleRequest: this.handleRequest.bind(this),
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keepalive: { path: '/v1/keepalive', disconnect: true }
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});
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},
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close: function() {
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this.wsr.close();
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delete this.listeners;
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},
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onopen: function() {
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console.log('websocket open');
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},
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onerror: function(error) {
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console.log('websocket error');
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},
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onclose: function(ev) {
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var eventTarget = this;
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console.log('websocket closed', ev.code);
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// possible 403 or network issue. Make an request to confirm
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this.server.getDevices(this.number).
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then(this.connect.bind(this)). // No HTTP error? Reconnect
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catch(function(e) {
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var ev = new Event('error');
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ev.error = e;
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this.dispatchEvent(ev);
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}.bind(this));
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},
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getStatus: function() {
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if (this.socket) {
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return this.socket.readyState;
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eventTarget.dispatchEvent(ev);
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});
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},
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handleRequest: function(request) {
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this.wsr.resetKeepAliveTimer();
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// TODO: handle different types of requests. for now we only expect
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// PUT /messages <encrypted IncomingPushMessageSignal>
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textsecure.crypto.decryptWebsocketMessage(request.body, this.signalingKey).then(function(plaintext) {
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var envelope = textsecure.protobuf.Envelope.decode(plaintext);
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// After this point, decoding errors are not the server's
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// fault, and we should handle them gracefully and tell the
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// user they received an invalid message
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request.respond(200, 'OK');
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if (envelope.type === textsecure.protobuf.Envelope.Type.RECEIPT) {
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this.onDeliveryReceipt(envelope);
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} else if (envelope.content) {
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this.handleContentMessage(envelope);
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} else if (envelope.legacyMessage) {
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this.handleLegacyMessage(envelope);
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} else {
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return -1;
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throw new Error('Received message with no content and no legacyMessage');
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}
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},
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onDeliveryReceipt: function (envelope) {
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var ev = new Event('receipt');
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}.bind(this)).catch(function(e) {
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request.respond(500, 'Bad encrypted websocket message');
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console.log("Error handling incoming message:", e);
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var ev = new Event('error');
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ev.error = e;
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this.dispatchEvent(ev);
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}.bind(this));
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},
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getStatus: function() {
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if (this.socket) {
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return this.socket.readyState;
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} else {
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return -1;
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}
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},
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onDeliveryReceipt: function (envelope) {
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var ev = new Event('receipt');
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ev.proto = envelope;
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this.dispatchEvent(ev);
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},
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decrypt: function(envelope, ciphertext) {
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return textsecure.protocol_wrapper.decrypt(
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envelope.source,
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envelope.sourceDevice,
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envelope.type,
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ciphertext
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).catch(function(error) {
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var ev = new Event('error');
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ev.error = error;
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ev.proto = envelope;
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this.dispatchEvent(ev);
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},
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decrypt: function(envelope, ciphertext) {
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return textsecure.protocol_wrapper.decrypt(
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envelope.source,
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envelope.sourceDevice,
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envelope.type,
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ciphertext
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).catch(function(error) {
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var ev = new Event('error');
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ev.error = error;
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ev.proto = envelope;
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this.dispatchEvent(ev);
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throw error; // reject this promise
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}.bind(this));
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},
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handleSentMessage: function(destination, timestamp, message) {
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return processDecrypted(message, this.number).then(function(message) {
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var ev = new Event('sent');
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ev.data = {
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destination : destination,
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timestamp : timestamp.toNumber(),
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message : message
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};
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleDataMessage: function(envelope, message, close_session) {
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if ((message.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION) ==
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textsecure.protobuf.DataMessage.Flags.END_SESSION ) {
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close_session();
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}
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return processDecrypted(message, envelope.source).then(function(message) {
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var ev = new Event('message');
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ev.data = {
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source : envelope.source,
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timestamp : envelope.timestamp.toNumber(),
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message : message
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};
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleLegacyMessage: function (envelope) {
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return this.decrypt(envelope, envelope.legacyMessage).then(function(result) {
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var plaintext = result[0]; // array buffer
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var close_session = result[1]; // function
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var message = textsecure.protobuf.DataMessage.decode(plaintext);
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return this.handleDataMessage(envelope, message, close_session);
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}.bind(this));
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},
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handleContentMessage: function (envelope) {
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return this.decrypt(envelope, envelope.content).then(function(result) {
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var plaintext = result[0]; // array buffer
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var close_session = result[1]; // function
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var content = textsecure.protobuf.Content.decode(plaintext);
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if (content.syncMessage) {
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return this.handleSyncMessage(envelope, content.syncMessage);
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} else if (content.dataMessage) {
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return this.handleDataMessage(envelope, content.dataMessage, close_session);
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} else {
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throw new Error('Got Content message with no dataMessage and no syncMessage');
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}
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}.bind(this));
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},
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handleSyncMessage: function(envelope, syncMessage) {
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if (envelope.source !== this.number) {
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throw new Error('Received sync message from another number');
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}
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if (envelope.sourceDevice == this.deviceId) {
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throw new Error('Received sync message from our own device');
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}
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if (syncMessage.sent) {
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var sentMessage = syncMessage.sent;
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return this.handleSentMessage(
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sentMessage.destination,
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sentMessage.timestamp,
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sentMessage.message
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);
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} else if (syncMessage.contacts) {
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this.handleContacts(syncMessage.contacts);
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} else if (syncMessage.groups) {
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this.handleGroups(syncMessage.groups);
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throw error; // reject this promise
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}.bind(this));
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},
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handleSentMessage: function(destination, timestamp, message) {
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return this.processDecrypted(message, this.number).then(function(message) {
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var ev = new Event('sent');
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ev.data = {
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destination : destination,
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timestamp : timestamp.toNumber(),
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message : message
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};
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleDataMessage: function(envelope, message, close_session) {
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if ((message.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION) ==
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textsecure.protobuf.DataMessage.Flags.END_SESSION ) {
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close_session();
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}
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return this.processDecrypted(message, envelope.source).then(function(message) {
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var ev = new Event('message');
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ev.data = {
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source : envelope.source,
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timestamp : envelope.timestamp.toNumber(),
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message : message
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};
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleLegacyMessage: function (envelope) {
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return this.decrypt(envelope, envelope.legacyMessage).then(function(result) {
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var plaintext = result[0]; // array buffer
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var close_session = result[1]; // function
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var message = textsecure.protobuf.DataMessage.decode(plaintext);
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return this.handleDataMessage(envelope, message, close_session);
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}.bind(this));
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},
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handleContentMessage: function (envelope) {
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return this.decrypt(envelope, envelope.content).then(function(result) {
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var plaintext = result[0]; // array buffer
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var close_session = result[1]; // function
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var content = textsecure.protobuf.Content.decode(plaintext);
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if (content.syncMessage) {
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return this.handleSyncMessage(envelope, content.syncMessage);
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} else if (content.dataMessage) {
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return this.handleDataMessage(envelope, content.dataMessage, close_session);
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} else {
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throw new Error('Got SyncMessage with no sent, contacts, or groups');
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throw new Error('Got Content message with no dataMessage and no syncMessage');
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}
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},
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handleContacts: function(contacts) {
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var eventTarget = this;
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var attachmentPointer = contacts.blob;
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return handleAttachment(attachmentPointer).then(function() {
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var contactBuffer = new ContactBuffer(attachmentPointer.data);
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var contactDetails = contactBuffer.next();
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while (contactDetails !== undefined) {
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var ev = new Event('contact');
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ev.contactDetails = contactDetails;
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eventTarget.dispatchEvent(ev);
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contactDetails = contactBuffer.next();
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}
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eventTarget.dispatchEvent(new Event('contactsync'));
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});
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},
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handleGroups: function(groups) {
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var eventTarget = this;
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var attachmentPointer = groups.blob;
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return handleAttachment(attachmentPointer).then(function() {
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var groupBuffer = new GroupBuffer(attachmentPointer.data);
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var groupDetails = groupBuffer.next();
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while (groupDetails !== undefined) {
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(function(groupDetails) {
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groupDetails.id = getString(groupDetails.id);
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textsecure.storage.groups.getGroup(groupDetails.id).
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then(function(existingGroup) {
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if (existingGroup === undefined) {
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return textsecure.storage.groups.createNewGroup(
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groupDetails.members, groupDetails.id
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);
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} else {
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return textsecure.storage.groups.updateNumbers(
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groupDetails.id, groupDetails.members
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);
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}
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}).then(function() {
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||||
var ev = new Event('group');
|
||||
ev.groupDetails = groupDetails;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
});
|
||||
})(groupDetails);
|
||||
groupDetails = groupBuffer.next();
|
||||
}
|
||||
});
|
||||
},
|
||||
|
||||
/* Implements EventTarget */
|
||||
dispatchEvent: function(ev) {
|
||||
if (!(ev instanceof Event)) {
|
||||
throw new Error('Expects an event');
|
||||
}.bind(this));
|
||||
},
|
||||
handleSyncMessage: function(envelope, syncMessage) {
|
||||
if (envelope.source !== this.number) {
|
||||
throw new Error('Received sync message from another number');
|
||||
}
|
||||
if (envelope.sourceDevice == this.deviceId) {
|
||||
throw new Error('Received sync message from our own device');
|
||||
}
|
||||
if (syncMessage.sent) {
|
||||
var sentMessage = syncMessage.sent;
|
||||
return this.handleSentMessage(
|
||||
sentMessage.destination,
|
||||
sentMessage.timestamp,
|
||||
sentMessage.message
|
||||
);
|
||||
} else if (syncMessage.contacts) {
|
||||
this.handleContacts(syncMessage.contacts);
|
||||
} else if (syncMessage.groups) {
|
||||
this.handleGroups(syncMessage.groups);
|
||||
} else {
|
||||
throw new Error('Got SyncMessage with no sent, contacts, or groups');
|
||||
}
|
||||
},
|
||||
handleContacts: function(contacts) {
|
||||
var eventTarget = this;
|
||||
var attachmentPointer = contacts.blob;
|
||||
return this.handleAttachment(attachmentPointer).then(function() {
|
||||
var contactBuffer = new ContactBuffer(attachmentPointer.data);
|
||||
var contactDetails = contactBuffer.next();
|
||||
while (contactDetails !== undefined) {
|
||||
var ev = new Event('contact');
|
||||
ev.contactDetails = contactDetails;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
contactDetails = contactBuffer.next();
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
eventTarget.dispatchEvent(new Event('contactsync'));
|
||||
});
|
||||
},
|
||||
handleGroups: function(groups) {
|
||||
var eventTarget = this;
|
||||
var attachmentPointer = groups.blob;
|
||||
return this.handleAttachment(attachmentPointer).then(function() {
|
||||
var groupBuffer = new GroupBuffer(attachmentPointer.data);
|
||||
var groupDetails = groupBuffer.next();
|
||||
while (groupDetails !== undefined) {
|
||||
(function(groupDetails) {
|
||||
groupDetails.id = getString(groupDetails.id);
|
||||
textsecure.storage.groups.getGroup(groupDetails.id).
|
||||
then(function(existingGroup) {
|
||||
if (existingGroup === undefined) {
|
||||
return textsecure.storage.groups.createNewGroup(
|
||||
groupDetails.members, groupDetails.id
|
||||
);
|
||||
} else {
|
||||
return textsecure.storage.groups.updateNumbers(
|
||||
groupDetails.id, groupDetails.members
|
||||
);
|
||||
}
|
||||
}).then(function() {
|
||||
var ev = new Event('group');
|
||||
ev.groupDetails = groupDetails;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
});
|
||||
})(groupDetails);
|
||||
groupDetails = groupBuffer.next();
|
||||
}
|
||||
var listeners = this.listeners[ev.type];
|
||||
if (typeof listeners === 'object') {
|
||||
for (var i=0; i < listeners.length; ++i) {
|
||||
if (typeof listeners[i] === 'function') {
|
||||
listeners[i].call(null, ev);
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
addEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
if (typeof listeners !== 'object') {
|
||||
listeners = [];
|
||||
}
|
||||
listeners.push(callback);
|
||||
this.listeners[eventName] = listeners;
|
||||
},
|
||||
removeEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
for (var i=0; i < listeners.length; ++ i) {
|
||||
if (listeners[i] === callback) {
|
||||
listeners.splice(i, 1);
|
||||
return;
|
||||
}
|
||||
}
|
||||
this.listeners[eventName] = listeners;
|
||||
});
|
||||
},
|
||||
handleAttachment: function(attachment) {
|
||||
function decryptAttachment(encrypted) {
|
||||
return textsecure.crypto.decryptAttachment(
|
||||
encrypted,
|
||||
attachment.key.toArrayBuffer()
|
||||
);
|
||||
}
|
||||
|
||||
};
|
||||
function updateAttachment(data) {
|
||||
attachment.data = data;
|
||||
}
|
||||
|
||||
textsecure.MessageReceiver = function(url, username, password, signalingKey) {
|
||||
var messageReceiver = new MessageReceiver(url, username, password, signalingKey);
|
||||
return this.server.getAttachment(attachment.id.toString()).
|
||||
then(decryptAttachment).
|
||||
then(updateAttachment);
|
||||
},
|
||||
processDecrypted: function(decrypted, source) {
|
||||
// Now that its decrypted, validate the message and clean it up for consumer processing
|
||||
// Note that messages may (generally) only perform one action and we ignore remaining fields
|
||||
// after the first action.
|
||||
|
||||
this.addEventListener = messageReceiver.addEventListener.bind(messageReceiver);
|
||||
this.removeEventListener = messageReceiver.removeEventListener.bind(messageReceiver);
|
||||
this.getStatus = messageReceiver.getStatus.bind(messageReceiver);
|
||||
this.close = messageReceiver.close.bind(messageReceiver);
|
||||
};
|
||||
if (decrypted.flags == null)
|
||||
decrypted.flags = 0;
|
||||
|
||||
textsecure.MessageReceiver.prototype = {
|
||||
constructor: textsecure.MessageReceiver
|
||||
};
|
||||
if ((decrypted.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION)
|
||||
== textsecure.protobuf.DataMessage.Flags.END_SESSION) {
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
decrypted.group = null;
|
||||
return Promise.resolve(decrypted);
|
||||
}
|
||||
if (decrypted.flags != 0) {
|
||||
throw new Error("Unknown flags in message");
|
||||
}
|
||||
|
||||
var promises = [];
|
||||
|
||||
if (decrypted.group !== null) {
|
||||
decrypted.group.id = getString(decrypted.group.id);
|
||||
|
||||
if (decrypted.group.type == textsecure.protobuf.GroupContext.Type.UPDATE) {
|
||||
if (decrypted.group.avatar !== null) {
|
||||
promises.push(this.handleAttachment(decrypted.group.avatar));
|
||||
}
|
||||
}
|
||||
|
||||
promises.push(textsecure.storage.groups.getNumbers(decrypted.group.id).then(function(existingGroup) {
|
||||
if (existingGroup === undefined) {
|
||||
if (decrypted.group.type != textsecure.protobuf.GroupContext.Type.UPDATE) {
|
||||
throw new Error("Got message for unknown group");
|
||||
}
|
||||
return textsecure.storage.groups.createNewGroup(decrypted.group.members, decrypted.group.id);
|
||||
} else {
|
||||
var fromIndex = existingGroup.indexOf(source);
|
||||
|
||||
if (fromIndex < 0) {
|
||||
//TODO: This could be indication of a race...
|
||||
throw new Error("Sender was not a member of the group they were sending from");
|
||||
}
|
||||
|
||||
switch(decrypted.group.type) {
|
||||
case textsecure.protobuf.GroupContext.Type.UPDATE:
|
||||
return textsecure.storage.groups.updateNumbers(
|
||||
decrypted.group.id, decrypted.group.members
|
||||
).then(function(added) {
|
||||
decrypted.group.added = added;
|
||||
|
||||
if (decrypted.group.avatar === null &&
|
||||
decrypted.group.added.length == 0 &&
|
||||
decrypted.group.name === null) {
|
||||
return;
|
||||
}
|
||||
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
});
|
||||
|
||||
break;
|
||||
case textsecure.protobuf.GroupContext.Type.QUIT:
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
return textsecure.storage.groups.removeNumber(decrypted.group.id, source);
|
||||
case textsecure.protobuf.GroupContext.Type.DELIVER:
|
||||
decrypted.group.name = null;
|
||||
decrypted.group.members = [];
|
||||
decrypted.group.avatar = null;
|
||||
|
||||
break;
|
||||
default:
|
||||
throw new Error("Unknown group message type");
|
||||
}
|
||||
}
|
||||
}));
|
||||
}
|
||||
|
||||
for (var i in decrypted.attachments) {
|
||||
promises.push(this.handleAttachment(decrypted.attachments[i]));
|
||||
}
|
||||
return Promise.all(promises).then(function() {
|
||||
return decrypted;
|
||||
});
|
||||
},
|
||||
|
||||
/* Implements EventTarget */
|
||||
dispatchEvent: function(ev) {
|
||||
if (!(ev instanceof Event)) {
|
||||
throw new Error('Expects an event');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[ev.type];
|
||||
if (typeof listeners === 'object') {
|
||||
for (var i=0; i < listeners.length; ++i) {
|
||||
if (typeof listeners[i] === 'function') {
|
||||
listeners[i].call(null, ev);
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
addEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
if (typeof listeners !== 'object') {
|
||||
listeners = [];
|
||||
}
|
||||
listeners.push(callback);
|
||||
this.listeners[eventName] = listeners;
|
||||
},
|
||||
removeEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
for (var i=0; i < listeners.length; ++ i) {
|
||||
if (listeners[i] === callback) {
|
||||
listeners.splice(i, 1);
|
||||
return;
|
||||
}
|
||||
}
|
||||
this.listeners[eventName] = listeners;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
window.textsecure = window.textsecure || {};
|
||||
|
||||
textsecure.MessageReceiver = function(url, username, password, signalingKey) {
|
||||
var messageReceiver = new MessageReceiver(url, username, password, signalingKey);
|
||||
this.addEventListener = messageReceiver.addEventListener.bind(messageReceiver);
|
||||
this.removeEventListener = messageReceiver.removeEventListener.bind(messageReceiver);
|
||||
this.getStatus = messageReceiver.getStatus.bind(messageReceiver);
|
||||
this.close = messageReceiver.close.bind(messageReceiver);
|
||||
messageReceiver.connect();
|
||||
};
|
||||
|
||||
textsecure.MessageReceiver.prototype = {
|
||||
constructor: textsecure.MessageReceiver
|
||||
};
|
||||
|
||||
}());
|
||||
|
||||
/*
|
||||
* vim: ts=4:sw=4:expandtab
|
||||
|
|
|
|||
|
|
@ -113,111 +113,3 @@ window.textsecure.utils = function() {
|
|||
return self;
|
||||
}();
|
||||
|
||||
function handleAttachment(attachment) {
|
||||
function getAttachment() {
|
||||
return TextSecureServer.getAttachment(attachment.id.toString());
|
||||
}
|
||||
|
||||
function decryptAttachment(encrypted) {
|
||||
return textsecure.crypto.decryptAttachment(
|
||||
encrypted,
|
||||
attachment.key.toArrayBuffer()
|
||||
);
|
||||
}
|
||||
|
||||
function updateAttachment(data) {
|
||||
attachment.data = data;
|
||||
}
|
||||
|
||||
return getAttachment().
|
||||
then(decryptAttachment).
|
||||
then(updateAttachment);
|
||||
}
|
||||
|
||||
function processDecrypted(decrypted, source) {
|
||||
|
||||
// Now that its decrypted, validate the message and clean it up for consumer processing
|
||||
// Note that messages may (generally) only perform one action and we ignore remaining fields
|
||||
// after the first action.
|
||||
|
||||
if (decrypted.flags == null)
|
||||
decrypted.flags = 0;
|
||||
|
||||
if ((decrypted.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION)
|
||||
== textsecure.protobuf.DataMessage.Flags.END_SESSION) {
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
decrypted.group = null;
|
||||
return Promise.resolve(decrypted);
|
||||
}
|
||||
if (decrypted.flags != 0) {
|
||||
throw new Error("Unknown flags in message");
|
||||
}
|
||||
|
||||
var promises = [];
|
||||
|
||||
if (decrypted.group !== null) {
|
||||
decrypted.group.id = getString(decrypted.group.id);
|
||||
|
||||
if (decrypted.group.type == textsecure.protobuf.GroupContext.Type.UPDATE) {
|
||||
if (decrypted.group.avatar !== null) {
|
||||
promises.push(handleAttachment(decrypted.group.avatar));
|
||||
}
|
||||
}
|
||||
|
||||
promises.push(textsecure.storage.groups.getNumbers(decrypted.group.id).then(function(existingGroup) {
|
||||
if (existingGroup === undefined) {
|
||||
if (decrypted.group.type != textsecure.protobuf.GroupContext.Type.UPDATE) {
|
||||
throw new Error("Got message for unknown group");
|
||||
}
|
||||
return textsecure.storage.groups.createNewGroup(decrypted.group.members, decrypted.group.id);
|
||||
} else {
|
||||
var fromIndex = existingGroup.indexOf(source);
|
||||
|
||||
if (fromIndex < 0) {
|
||||
//TODO: This could be indication of a race...
|
||||
throw new Error("Sender was not a member of the group they were sending from");
|
||||
}
|
||||
|
||||
switch(decrypted.group.type) {
|
||||
case textsecure.protobuf.GroupContext.Type.UPDATE:
|
||||
return textsecure.storage.groups.updateNumbers(
|
||||
decrypted.group.id, decrypted.group.members
|
||||
).then(function(added) {
|
||||
decrypted.group.added = added;
|
||||
|
||||
if (decrypted.group.avatar === null &&
|
||||
decrypted.group.added.length == 0 &&
|
||||
decrypted.group.name === null) {
|
||||
return;
|
||||
}
|
||||
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
});
|
||||
|
||||
break;
|
||||
case textsecure.protobuf.GroupContext.Type.QUIT:
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
return textsecure.storage.groups.removeNumber(decrypted.group.id, source);
|
||||
case textsecure.protobuf.GroupContext.Type.DELIVER:
|
||||
decrypted.group.name = null;
|
||||
decrypted.group.members = [];
|
||||
decrypted.group.avatar = null;
|
||||
|
||||
break;
|
||||
default:
|
||||
throw new Error("Unknown group message type");
|
||||
}
|
||||
}
|
||||
}));
|
||||
}
|
||||
|
||||
for (var i in decrypted.attachments) {
|
||||
promises.push(handleAttachment(decrypted.attachments[i]));
|
||||
}
|
||||
return Promise.all(promises).then(function() {
|
||||
return decrypted;
|
||||
});
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2,300 +2,397 @@
|
|||
* vim: ts=4:sw=4:expandtab
|
||||
*/
|
||||
|
||||
;(function () {
|
||||
'use strict';
|
||||
window.textsecure = window.textsecure || {};
|
||||
function MessageReceiver(url, username, password, signalingKey) {
|
||||
this.url = url;
|
||||
this.signalingKey = signalingKey;
|
||||
this.username = username;
|
||||
this.password = password;
|
||||
this.server = new TextSecureServer(url, username, password);
|
||||
|
||||
function MessageReceiver(url, username, password, signalingKey) {
|
||||
this.url = url;
|
||||
this.signalingKey = signalingKey;
|
||||
this.username = username;
|
||||
this.password = password;
|
||||
this.server = new TextSecureServer(url, username, password);
|
||||
|
||||
var unencoded = textsecure.utils.unencodeNumber(username);
|
||||
this.number = unencoded[0];
|
||||
this.deviceId = unencoded[1];
|
||||
this.connect();
|
||||
}
|
||||
|
||||
MessageReceiver.prototype = {
|
||||
constructor: MessageReceiver,
|
||||
connect: function() {
|
||||
if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
|
||||
this.socket.close();
|
||||
}
|
||||
console.log('opening websocket');
|
||||
// initialize the socket and start listening for messages
|
||||
this.socket = this.server.getMessageSocket();
|
||||
this.socket.onclose = this.onclose.bind(this);
|
||||
this.socket.onerror = this.onerror.bind(this);
|
||||
this.socket.onopen = this.onopen.bind(this);
|
||||
this.wsr = new WebSocketResource(this.socket, {
|
||||
handleRequest: this.handleRequest.bind(this),
|
||||
keepalive: { path: '/v1/keepalive', disconnect: true }
|
||||
});
|
||||
},
|
||||
close: function() {
|
||||
this.wsr.close();
|
||||
delete this.listeners;
|
||||
},
|
||||
onopen: function() {
|
||||
console.log('websocket open');
|
||||
},
|
||||
onerror: function(error) {
|
||||
console.log('websocket error');
|
||||
},
|
||||
onclose: function(ev) {
|
||||
var eventTarget = this;
|
||||
console.log('websocket closed', ev.code);
|
||||
// possible 403 or network issue. Make an request to confirm
|
||||
this.server.getDevices(this.number).
|
||||
then(this.connect.bind(this)). // No HTTP error? Reconnect
|
||||
catch(function(e) {
|
||||
var ev = new Event('error');
|
||||
ev.error = e;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
});
|
||||
},
|
||||
handleRequest: function(request) {
|
||||
this.wsr.resetKeepAliveTimer();
|
||||
// TODO: handle different types of requests. for now we only expect
|
||||
// PUT /messages <encrypted IncomingPushMessageSignal>
|
||||
textsecure.crypto.decryptWebsocketMessage(request.body, this.signalingKey).then(function(plaintext) {
|
||||
var envelope = textsecure.protobuf.Envelope.decode(plaintext);
|
||||
// After this point, decoding errors are not the server's
|
||||
// fault, and we should handle them gracefully and tell the
|
||||
// user they received an invalid message
|
||||
request.respond(200, 'OK');
|
||||
|
||||
if (envelope.type === textsecure.protobuf.Envelope.Type.RECEIPT) {
|
||||
this.onDeliveryReceipt(envelope);
|
||||
} else if (envelope.content) {
|
||||
this.handleContentMessage(envelope);
|
||||
} else if (envelope.legacyMessage) {
|
||||
this.handleLegacyMessage(envelope);
|
||||
} else {
|
||||
throw new Error('Received message with no content and no legacyMessage');
|
||||
}
|
||||
|
||||
}.bind(this)).catch(function(e) {
|
||||
request.respond(500, 'Bad encrypted websocket message');
|
||||
console.log("Error handling incoming message:", e);
|
||||
var unencoded = textsecure.utils.unencodeNumber(username);
|
||||
this.number = unencoded[0];
|
||||
this.deviceId = unencoded[1];
|
||||
}
|
||||
MessageReceiver.prototype = {
|
||||
constructor: MessageReceiver,
|
||||
connect: function() {
|
||||
if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
|
||||
this.socket.close();
|
||||
}
|
||||
console.log('opening websocket');
|
||||
// initialize the socket and start listening for messages
|
||||
this.socket = this.server.getMessageSocket();
|
||||
this.socket.onclose = this.onclose.bind(this);
|
||||
this.socket.onerror = this.onerror.bind(this);
|
||||
this.socket.onopen = this.onopen.bind(this);
|
||||
this.wsr = new WebSocketResource(this.socket, {
|
||||
handleRequest: this.handleRequest.bind(this),
|
||||
keepalive: { path: '/v1/keepalive', disconnect: true }
|
||||
});
|
||||
},
|
||||
close: function() {
|
||||
this.wsr.close();
|
||||
delete this.listeners;
|
||||
},
|
||||
onopen: function() {
|
||||
console.log('websocket open');
|
||||
},
|
||||
onerror: function(error) {
|
||||
console.log('websocket error');
|
||||
},
|
||||
onclose: function(ev) {
|
||||
var eventTarget = this;
|
||||
console.log('websocket closed', ev.code);
|
||||
// possible 403 or network issue. Make an request to confirm
|
||||
this.server.getDevices(this.number).
|
||||
then(this.connect.bind(this)). // No HTTP error? Reconnect
|
||||
catch(function(e) {
|
||||
var ev = new Event('error');
|
||||
ev.error = e;
|
||||
this.dispatchEvent(ev);
|
||||
}.bind(this));
|
||||
},
|
||||
getStatus: function() {
|
||||
if (this.socket) {
|
||||
return this.socket.readyState;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
});
|
||||
},
|
||||
handleRequest: function(request) {
|
||||
this.wsr.resetKeepAliveTimer();
|
||||
// TODO: handle different types of requests. for now we only expect
|
||||
// PUT /messages <encrypted IncomingPushMessageSignal>
|
||||
textsecure.crypto.decryptWebsocketMessage(request.body, this.signalingKey).then(function(plaintext) {
|
||||
var envelope = textsecure.protobuf.Envelope.decode(plaintext);
|
||||
// After this point, decoding errors are not the server's
|
||||
// fault, and we should handle them gracefully and tell the
|
||||
// user they received an invalid message
|
||||
request.respond(200, 'OK');
|
||||
|
||||
if (envelope.type === textsecure.protobuf.Envelope.Type.RECEIPT) {
|
||||
this.onDeliveryReceipt(envelope);
|
||||
} else if (envelope.content) {
|
||||
this.handleContentMessage(envelope);
|
||||
} else if (envelope.legacyMessage) {
|
||||
this.handleLegacyMessage(envelope);
|
||||
} else {
|
||||
return -1;
|
||||
throw new Error('Received message with no content and no legacyMessage');
|
||||
}
|
||||
},
|
||||
onDeliveryReceipt: function (envelope) {
|
||||
var ev = new Event('receipt');
|
||||
|
||||
}.bind(this)).catch(function(e) {
|
||||
request.respond(500, 'Bad encrypted websocket message');
|
||||
console.log("Error handling incoming message:", e);
|
||||
var ev = new Event('error');
|
||||
ev.error = e;
|
||||
this.dispatchEvent(ev);
|
||||
}.bind(this));
|
||||
},
|
||||
getStatus: function() {
|
||||
if (this.socket) {
|
||||
return this.socket.readyState;
|
||||
} else {
|
||||
return -1;
|
||||
}
|
||||
},
|
||||
onDeliveryReceipt: function (envelope) {
|
||||
var ev = new Event('receipt');
|
||||
ev.proto = envelope;
|
||||
this.dispatchEvent(ev);
|
||||
},
|
||||
decrypt: function(envelope, ciphertext) {
|
||||
return textsecure.protocol_wrapper.decrypt(
|
||||
envelope.source,
|
||||
envelope.sourceDevice,
|
||||
envelope.type,
|
||||
ciphertext
|
||||
).catch(function(error) {
|
||||
var ev = new Event('error');
|
||||
ev.error = error;
|
||||
ev.proto = envelope;
|
||||
this.dispatchEvent(ev);
|
||||
},
|
||||
decrypt: function(envelope, ciphertext) {
|
||||
return textsecure.protocol_wrapper.decrypt(
|
||||
envelope.source,
|
||||
envelope.sourceDevice,
|
||||
envelope.type,
|
||||
ciphertext
|
||||
).catch(function(error) {
|
||||
var ev = new Event('error');
|
||||
ev.error = error;
|
||||
ev.proto = envelope;
|
||||
this.dispatchEvent(ev);
|
||||
throw error; // reject this promise
|
||||
}.bind(this));
|
||||
},
|
||||
handleSentMessage: function(destination, timestamp, message) {
|
||||
return processDecrypted(message, this.number).then(function(message) {
|
||||
var ev = new Event('sent');
|
||||
ev.data = {
|
||||
destination : destination,
|
||||
timestamp : timestamp.toNumber(),
|
||||
message : message
|
||||
};
|
||||
this.dispatchEvent(ev);
|
||||
}.bind(this));
|
||||
},
|
||||
handleDataMessage: function(envelope, message, close_session) {
|
||||
if ((message.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION) ==
|
||||
textsecure.protobuf.DataMessage.Flags.END_SESSION ) {
|
||||
close_session();
|
||||
}
|
||||
return processDecrypted(message, envelope.source).then(function(message) {
|
||||
var ev = new Event('message');
|
||||
ev.data = {
|
||||
source : envelope.source,
|
||||
timestamp : envelope.timestamp.toNumber(),
|
||||
message : message
|
||||
};
|
||||
this.dispatchEvent(ev);
|
||||
}.bind(this));
|
||||
},
|
||||
handleLegacyMessage: function (envelope) {
|
||||
return this.decrypt(envelope, envelope.legacyMessage).then(function(result) {
|
||||
var plaintext = result[0]; // array buffer
|
||||
var close_session = result[1]; // function
|
||||
var message = textsecure.protobuf.DataMessage.decode(plaintext);
|
||||
return this.handleDataMessage(envelope, message, close_session);
|
||||
}.bind(this));
|
||||
},
|
||||
handleContentMessage: function (envelope) {
|
||||
return this.decrypt(envelope, envelope.content).then(function(result) {
|
||||
var plaintext = result[0]; // array buffer
|
||||
var close_session = result[1]; // function
|
||||
var content = textsecure.protobuf.Content.decode(plaintext);
|
||||
if (content.syncMessage) {
|
||||
return this.handleSyncMessage(envelope, content.syncMessage);
|
||||
} else if (content.dataMessage) {
|
||||
return this.handleDataMessage(envelope, content.dataMessage, close_session);
|
||||
} else {
|
||||
throw new Error('Got Content message with no dataMessage and no syncMessage');
|
||||
}
|
||||
}.bind(this));
|
||||
},
|
||||
handleSyncMessage: function(envelope, syncMessage) {
|
||||
if (envelope.source !== this.number) {
|
||||
throw new Error('Received sync message from another number');
|
||||
}
|
||||
if (envelope.sourceDevice == this.deviceId) {
|
||||
throw new Error('Received sync message from our own device');
|
||||
}
|
||||
if (syncMessage.sent) {
|
||||
var sentMessage = syncMessage.sent;
|
||||
return this.handleSentMessage(
|
||||
sentMessage.destination,
|
||||
sentMessage.timestamp,
|
||||
sentMessage.message
|
||||
);
|
||||
} else if (syncMessage.contacts) {
|
||||
this.handleContacts(syncMessage.contacts);
|
||||
} else if (syncMessage.groups) {
|
||||
this.handleGroups(syncMessage.groups);
|
||||
throw error; // reject this promise
|
||||
}.bind(this));
|
||||
},
|
||||
handleSentMessage: function(destination, timestamp, message) {
|
||||
return this.processDecrypted(message, this.number).then(function(message) {
|
||||
var ev = new Event('sent');
|
||||
ev.data = {
|
||||
destination : destination,
|
||||
timestamp : timestamp.toNumber(),
|
||||
message : message
|
||||
};
|
||||
this.dispatchEvent(ev);
|
||||
}.bind(this));
|
||||
},
|
||||
handleDataMessage: function(envelope, message, close_session) {
|
||||
if ((message.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION) ==
|
||||
textsecure.protobuf.DataMessage.Flags.END_SESSION ) {
|
||||
close_session();
|
||||
}
|
||||
return this.processDecrypted(message, envelope.source).then(function(message) {
|
||||
var ev = new Event('message');
|
||||
ev.data = {
|
||||
source : envelope.source,
|
||||
timestamp : envelope.timestamp.toNumber(),
|
||||
message : message
|
||||
};
|
||||
this.dispatchEvent(ev);
|
||||
}.bind(this));
|
||||
},
|
||||
handleLegacyMessage: function (envelope) {
|
||||
return this.decrypt(envelope, envelope.legacyMessage).then(function(result) {
|
||||
var plaintext = result[0]; // array buffer
|
||||
var close_session = result[1]; // function
|
||||
var message = textsecure.protobuf.DataMessage.decode(plaintext);
|
||||
return this.handleDataMessage(envelope, message, close_session);
|
||||
}.bind(this));
|
||||
},
|
||||
handleContentMessage: function (envelope) {
|
||||
return this.decrypt(envelope, envelope.content).then(function(result) {
|
||||
var plaintext = result[0]; // array buffer
|
||||
var close_session = result[1]; // function
|
||||
var content = textsecure.protobuf.Content.decode(plaintext);
|
||||
if (content.syncMessage) {
|
||||
return this.handleSyncMessage(envelope, content.syncMessage);
|
||||
} else if (content.dataMessage) {
|
||||
return this.handleDataMessage(envelope, content.dataMessage, close_session);
|
||||
} else {
|
||||
throw new Error('Got SyncMessage with no sent, contacts, or groups');
|
||||
throw new Error('Got Content message with no dataMessage and no syncMessage');
|
||||
}
|
||||
},
|
||||
handleContacts: function(contacts) {
|
||||
var eventTarget = this;
|
||||
var attachmentPointer = contacts.blob;
|
||||
return handleAttachment(attachmentPointer).then(function() {
|
||||
var contactBuffer = new ContactBuffer(attachmentPointer.data);
|
||||
var contactDetails = contactBuffer.next();
|
||||
while (contactDetails !== undefined) {
|
||||
var ev = new Event('contact');
|
||||
ev.contactDetails = contactDetails;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
contactDetails = contactBuffer.next();
|
||||
}
|
||||
eventTarget.dispatchEvent(new Event('contactsync'));
|
||||
});
|
||||
},
|
||||
handleGroups: function(groups) {
|
||||
var eventTarget = this;
|
||||
var attachmentPointer = groups.blob;
|
||||
return handleAttachment(attachmentPointer).then(function() {
|
||||
var groupBuffer = new GroupBuffer(attachmentPointer.data);
|
||||
var groupDetails = groupBuffer.next();
|
||||
while (groupDetails !== undefined) {
|
||||
(function(groupDetails) {
|
||||
groupDetails.id = getString(groupDetails.id);
|
||||
textsecure.storage.groups.getGroup(groupDetails.id).
|
||||
then(function(existingGroup) {
|
||||
if (existingGroup === undefined) {
|
||||
return textsecure.storage.groups.createNewGroup(
|
||||
groupDetails.members, groupDetails.id
|
||||
);
|
||||
} else {
|
||||
return textsecure.storage.groups.updateNumbers(
|
||||
groupDetails.id, groupDetails.members
|
||||
);
|
||||
}
|
||||
}).then(function() {
|
||||
var ev = new Event('group');
|
||||
ev.groupDetails = groupDetails;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
});
|
||||
})(groupDetails);
|
||||
groupDetails = groupBuffer.next();
|
||||
}
|
||||
});
|
||||
},
|
||||
|
||||
/* Implements EventTarget */
|
||||
dispatchEvent: function(ev) {
|
||||
if (!(ev instanceof Event)) {
|
||||
throw new Error('Expects an event');
|
||||
}.bind(this));
|
||||
},
|
||||
handleSyncMessage: function(envelope, syncMessage) {
|
||||
if (envelope.source !== this.number) {
|
||||
throw new Error('Received sync message from another number');
|
||||
}
|
||||
if (envelope.sourceDevice == this.deviceId) {
|
||||
throw new Error('Received sync message from our own device');
|
||||
}
|
||||
if (syncMessage.sent) {
|
||||
var sentMessage = syncMessage.sent;
|
||||
return this.handleSentMessage(
|
||||
sentMessage.destination,
|
||||
sentMessage.timestamp,
|
||||
sentMessage.message
|
||||
);
|
||||
} else if (syncMessage.contacts) {
|
||||
this.handleContacts(syncMessage.contacts);
|
||||
} else if (syncMessage.groups) {
|
||||
this.handleGroups(syncMessage.groups);
|
||||
} else {
|
||||
throw new Error('Got SyncMessage with no sent, contacts, or groups');
|
||||
}
|
||||
},
|
||||
handleContacts: function(contacts) {
|
||||
var eventTarget = this;
|
||||
var attachmentPointer = contacts.blob;
|
||||
return this.handleAttachment(attachmentPointer).then(function() {
|
||||
var contactBuffer = new ContactBuffer(attachmentPointer.data);
|
||||
var contactDetails = contactBuffer.next();
|
||||
while (contactDetails !== undefined) {
|
||||
var ev = new Event('contact');
|
||||
ev.contactDetails = contactDetails;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
contactDetails = contactBuffer.next();
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
eventTarget.dispatchEvent(new Event('contactsync'));
|
||||
});
|
||||
},
|
||||
handleGroups: function(groups) {
|
||||
var eventTarget = this;
|
||||
var attachmentPointer = groups.blob;
|
||||
return this.handleAttachment(attachmentPointer).then(function() {
|
||||
var groupBuffer = new GroupBuffer(attachmentPointer.data);
|
||||
var groupDetails = groupBuffer.next();
|
||||
while (groupDetails !== undefined) {
|
||||
(function(groupDetails) {
|
||||
groupDetails.id = getString(groupDetails.id);
|
||||
textsecure.storage.groups.getGroup(groupDetails.id).
|
||||
then(function(existingGroup) {
|
||||
if (existingGroup === undefined) {
|
||||
return textsecure.storage.groups.createNewGroup(
|
||||
groupDetails.members, groupDetails.id
|
||||
);
|
||||
} else {
|
||||
return textsecure.storage.groups.updateNumbers(
|
||||
groupDetails.id, groupDetails.members
|
||||
);
|
||||
}
|
||||
}).then(function() {
|
||||
var ev = new Event('group');
|
||||
ev.groupDetails = groupDetails;
|
||||
eventTarget.dispatchEvent(ev);
|
||||
});
|
||||
})(groupDetails);
|
||||
groupDetails = groupBuffer.next();
|
||||
}
|
||||
var listeners = this.listeners[ev.type];
|
||||
if (typeof listeners === 'object') {
|
||||
for (var i=0; i < listeners.length; ++i) {
|
||||
if (typeof listeners[i] === 'function') {
|
||||
listeners[i].call(null, ev);
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
addEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
if (typeof listeners !== 'object') {
|
||||
listeners = [];
|
||||
}
|
||||
listeners.push(callback);
|
||||
this.listeners[eventName] = listeners;
|
||||
},
|
||||
removeEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
for (var i=0; i < listeners.length; ++ i) {
|
||||
if (listeners[i] === callback) {
|
||||
listeners.splice(i, 1);
|
||||
return;
|
||||
}
|
||||
}
|
||||
this.listeners[eventName] = listeners;
|
||||
});
|
||||
},
|
||||
handleAttachment: function(attachment) {
|
||||
function decryptAttachment(encrypted) {
|
||||
return textsecure.crypto.decryptAttachment(
|
||||
encrypted,
|
||||
attachment.key.toArrayBuffer()
|
||||
);
|
||||
}
|
||||
|
||||
};
|
||||
function updateAttachment(data) {
|
||||
attachment.data = data;
|
||||
}
|
||||
|
||||
textsecure.MessageReceiver = function(url, username, password, signalingKey) {
|
||||
var messageReceiver = new MessageReceiver(url, username, password, signalingKey);
|
||||
return this.server.getAttachment(attachment.id.toString()).
|
||||
then(decryptAttachment).
|
||||
then(updateAttachment);
|
||||
},
|
||||
processDecrypted: function(decrypted, source) {
|
||||
// Now that its decrypted, validate the message and clean it up for consumer processing
|
||||
// Note that messages may (generally) only perform one action and we ignore remaining fields
|
||||
// after the first action.
|
||||
|
||||
this.addEventListener = messageReceiver.addEventListener.bind(messageReceiver);
|
||||
this.removeEventListener = messageReceiver.removeEventListener.bind(messageReceiver);
|
||||
this.getStatus = messageReceiver.getStatus.bind(messageReceiver);
|
||||
this.close = messageReceiver.close.bind(messageReceiver);
|
||||
};
|
||||
if (decrypted.flags == null)
|
||||
decrypted.flags = 0;
|
||||
|
||||
textsecure.MessageReceiver.prototype = {
|
||||
constructor: textsecure.MessageReceiver
|
||||
};
|
||||
if ((decrypted.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION)
|
||||
== textsecure.protobuf.DataMessage.Flags.END_SESSION) {
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
decrypted.group = null;
|
||||
return Promise.resolve(decrypted);
|
||||
}
|
||||
if (decrypted.flags != 0) {
|
||||
throw new Error("Unknown flags in message");
|
||||
}
|
||||
|
||||
var promises = [];
|
||||
|
||||
if (decrypted.group !== null) {
|
||||
decrypted.group.id = getString(decrypted.group.id);
|
||||
|
||||
if (decrypted.group.type == textsecure.protobuf.GroupContext.Type.UPDATE) {
|
||||
if (decrypted.group.avatar !== null) {
|
||||
promises.push(this.handleAttachment(decrypted.group.avatar));
|
||||
}
|
||||
}
|
||||
|
||||
promises.push(textsecure.storage.groups.getNumbers(decrypted.group.id).then(function(existingGroup) {
|
||||
if (existingGroup === undefined) {
|
||||
if (decrypted.group.type != textsecure.protobuf.GroupContext.Type.UPDATE) {
|
||||
throw new Error("Got message for unknown group");
|
||||
}
|
||||
return textsecure.storage.groups.createNewGroup(decrypted.group.members, decrypted.group.id);
|
||||
} else {
|
||||
var fromIndex = existingGroup.indexOf(source);
|
||||
|
||||
if (fromIndex < 0) {
|
||||
//TODO: This could be indication of a race...
|
||||
throw new Error("Sender was not a member of the group they were sending from");
|
||||
}
|
||||
|
||||
switch(decrypted.group.type) {
|
||||
case textsecure.protobuf.GroupContext.Type.UPDATE:
|
||||
return textsecure.storage.groups.updateNumbers(
|
||||
decrypted.group.id, decrypted.group.members
|
||||
).then(function(added) {
|
||||
decrypted.group.added = added;
|
||||
|
||||
if (decrypted.group.avatar === null &&
|
||||
decrypted.group.added.length == 0 &&
|
||||
decrypted.group.name === null) {
|
||||
return;
|
||||
}
|
||||
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
});
|
||||
|
||||
break;
|
||||
case textsecure.protobuf.GroupContext.Type.QUIT:
|
||||
decrypted.body = null;
|
||||
decrypted.attachments = [];
|
||||
return textsecure.storage.groups.removeNumber(decrypted.group.id, source);
|
||||
case textsecure.protobuf.GroupContext.Type.DELIVER:
|
||||
decrypted.group.name = null;
|
||||
decrypted.group.members = [];
|
||||
decrypted.group.avatar = null;
|
||||
|
||||
break;
|
||||
default:
|
||||
throw new Error("Unknown group message type");
|
||||
}
|
||||
}
|
||||
}));
|
||||
}
|
||||
|
||||
for (var i in decrypted.attachments) {
|
||||
promises.push(this.handleAttachment(decrypted.attachments[i]));
|
||||
}
|
||||
return Promise.all(promises).then(function() {
|
||||
return decrypted;
|
||||
});
|
||||
},
|
||||
|
||||
/* Implements EventTarget */
|
||||
dispatchEvent: function(ev) {
|
||||
if (!(ev instanceof Event)) {
|
||||
throw new Error('Expects an event');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[ev.type];
|
||||
if (typeof listeners === 'object') {
|
||||
for (var i=0; i < listeners.length; ++i) {
|
||||
if (typeof listeners[i] === 'function') {
|
||||
listeners[i].call(null, ev);
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
addEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
if (typeof listeners !== 'object') {
|
||||
listeners = [];
|
||||
}
|
||||
listeners.push(callback);
|
||||
this.listeners[eventName] = listeners;
|
||||
},
|
||||
removeEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
for (var i=0; i < listeners.length; ++ i) {
|
||||
if (listeners[i] === callback) {
|
||||
listeners.splice(i, 1);
|
||||
return;
|
||||
}
|
||||
}
|
||||
this.listeners[eventName] = listeners;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
window.textsecure = window.textsecure || {};
|
||||
|
||||
textsecure.MessageReceiver = function(url, username, password, signalingKey) {
|
||||
var messageReceiver = new MessageReceiver(url, username, password, signalingKey);
|
||||
this.addEventListener = messageReceiver.addEventListener.bind(messageReceiver);
|
||||
this.removeEventListener = messageReceiver.removeEventListener.bind(messageReceiver);
|
||||
this.getStatus = messageReceiver.getStatus.bind(messageReceiver);
|
||||
this.close = messageReceiver.close.bind(messageReceiver);
|
||||
messageReceiver.connect();
|
||||
};
|
||||
|
||||
textsecure.MessageReceiver.prototype = {
|
||||
constructor: textsecure.MessageReceiver
|
||||
};
|
||||
|
||||
}());
|
||||
|
|
|
|||
Loading…
Reference in New Issue