68 lines
2.6 KiB
JavaScript
68 lines
2.6 KiB
JavaScript
/* vim: ts=4:sw=4:expandtab
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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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(eventTarget) {
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if (eventTarget instanceof EventTarget) {
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this.target = eventTarget;
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} else {
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throw new TypeError('MessageReceiver expected an EventTarget');
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}
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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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// initialize the socket and start listening for messages
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this.socket = TextSecureServer.getMessageWebsocket();
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var eventTarget = this.target;
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new WebSocketResource(this.socket, function(request) {
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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).then(function(plaintext) {
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var proto = textsecure.protobuf.IncomingPushMessageSignal.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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var ev = new Event('signal');
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ev.proto = proto;
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eventTarget.dispatchEvent(ev);
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}).catch(function(e) {
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console.log("Error handling incoming message:", e);
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extension.trigger('error', e);
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request.respond(500, 'Bad encrypted websocket message');
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});
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});
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},
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getStatus: function() {
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if (this.socket) {
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return this.socket.getStatus();
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} else {
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return -1;
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}
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}
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};
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textsecure.MessageReceiver = MessageReceiver;
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}());
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