Commit 7c5ab63f authored by Richard van der Hoff's avatar Richard van der Hoff
Browse files

js group demo: use a remoteOps object

To make sure that we don't sneakily use methods which we wouldn't be able to
for remote users, expose an interface object which contains the remote
interface.
parent 952a3e15
......@@ -24,8 +24,9 @@ function DemoUser(name) {
this.olmAccount = new Olm.Account();
this.olmAccount.create();
/* a list of the people in our chat */
this.peers = [];
/* the people in our chat, indexed by their Curve25519 identity key.
*/
this.peers = {};
/* for each peer, a one-to-one session - indexed by id key and created on
* demand */
......@@ -41,6 +42,18 @@ function DemoUser(name) {
/* a list of pending tasks */
this.tasks = [];
this.taskWorker = undefined;
/* the operations our peers are allowed to do on us */
var publicOps = [
"getIdKey", "getOneTimeKey",
"receiveOneToOne", "receiveGroup",
];
this.remoteOps = {};
for (var i=0; i<publicOps.length; i++) {
var op = publicOps[i];
this.remoteOps[op] = this[op].bind(this);
}
}
DemoUser.prototype._progress = function(message) {
......@@ -121,8 +134,9 @@ DemoUser.prototype.addTask = function(description, task, callback) {
}
};
DemoUser.prototype.addPeer = function(peer) {
this.peers.push(peer);
DemoUser.prototype.addPeer = function(peerOps) {
var id = peerOps.getIdKey();
this.peers[id] = peerOps;
};
DemoUser.prototype.getIdKey = function() {
......@@ -158,14 +172,15 @@ DemoUser.prototype.getOneTimeKey = function() {
/**
* retrieve, or initiate, a one-to-one session to a given peer
*/
DemoUser.prototype.getPeerSession = function(peer, callback) {
DemoUser.prototype.getPeerSession = function(peerId, callback) {
var self = this;
var peerId = peer.getIdKey();
if (this.peerSessions[peerId]) {
callback(this.peerSessions[peerId]);
return;
}
var peer = this.peers[peerId];
this.addTask("get peer keys", function(done) {
key = peer.getOneTimeKey();
done(key);
......@@ -182,9 +197,9 @@ DemoUser.prototype.getPeerSession = function(peer, callback) {
/**
* encrypt a one-to-one message and prepare it for sending to a peer
*/
DemoUser.prototype.sendToPeer = function(peer, message, callback) {
DemoUser.prototype.sendToPeer = function(peerId, message, callback) {
var self = this;
this.getPeerSession(peer, function(session) {
this.getPeerSession(peerId, function(session) {
self.addTask("encrypt one-to-one message", function(done) {
var encrypted = session.encrypt(message);
var packet = {
......@@ -194,7 +209,7 @@ DemoUser.prototype.sendToPeer = function(peer, message, callback) {
var json = JSON.stringify(packet);
var el = buttonAndTextElement("send", json, function(ev) {
peer.receiveOneToOne(json);
self.peers[peerId].receiveOneToOne(json);
});
self.cipherOutputDiv.appendChild(el);
done();
......@@ -285,8 +300,10 @@ DemoUser.prototype.getGroupSession = function() {
};
var jsonmsg = JSON.stringify(keymsg);
for (var i = 0; i < this.peers.length; i++) {
var peer = this.peers[i];
for (var peer in this.peers) {
if (!this.peers.hasOwnProperty(peer)) {
continue;
}
this.sendToPeer(peer, jsonmsg);
}
......@@ -376,9 +393,11 @@ DemoUser.prototype.encrypt = function(message) {
var json = JSON.stringify(packet);
var el = buttonAndTextElement("send", json, function(ev) {
for (var i = 0; i < self.peers.length; i++) {
var peer = self.peers[i];
peer.receiveGroup(json);
for (var peer in self.peers) {
if (!self.peers.hasOwnProperty(peer)) {
continue;
}
self.peers[peer].receiveGroup(json);
}
});
self.groupOutputDiv.appendChild(el);
......@@ -413,8 +432,8 @@ function startDemo() {
initUserDiv(user2, document.getElementById("user2"));
user2.generateKeys();
user1.addPeer(user2);
user2.addPeer(user1);
user1.addPeer(user2.remoteOps);
user2.addPeer(user1.remoteOps);
}
......
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