cryptpad/www/common/outer/messenger.js

1089 lines
38 KiB
JavaScript

define([
'/bower_components/chainpad-crypto/crypto.js',
'/common/common-hash.js',
'/common/common-util.js',
'/common/common-realtime.js',
'/common/common-messaging.js',
'/common/common-constants.js',
'/customize/messages.js',
'/customize/application_config.js',
'/bower_components/nthen/index.js',
], function (Crypto, Hash, Util, Realtime, Messaging, Constants, Messages, AppConfig, nThen) {
'use strict';
var Curve = Crypto.Curve;
var Msg = {};
var Types = {
message: 'MSG',
unfriend: 'UNFRIEND',
mapId: 'MAP_ID',
mapIdAck: 'MAP_ID_ACK'
};
var clone = function (o) {
return JSON.parse(JSON.stringify(o));
};
var convertToUint8 = function (obj) {
var l = Object.keys(obj).length;
var u = new Uint8Array(l);
for (var i = 0; i<l; i++) {
u[i] = obj[i];
}
return u;
};
var createData = Messaging.createData;
var getFriend = function (proxy, pubkey) {
if (pubkey === proxy.curvePublic) {
var data = createData(proxy);
delete data.channel;
return data;
}
return proxy.friends ? proxy.friends[pubkey] : undefined;
};
var getFriendList = Msg.getFriendList = function (proxy) {
if (!proxy.friends) { proxy.friends = {}; }
return proxy.friends;
};
var msgAlreadyKnown = function (channel, sig) {
return channel.messages.some(function (message) {
return message.sig === sig;
});
};
var getFriendFromChannel = function (ctx, id) {
var proxy = ctx.store.proxy;
var friends = getFriendList(proxy);
var friend;
for (var k in friends) {
if (friends[k].channel === id) {
friend = friends[k];
break;
}
}
return friend;
};
var initRangeRequest = function (ctx, txid, chanId, cb) {
if (!ctx.range_requests) { ctx.range_requests = {}; }
ctx.range_requests[txid] = {
messages: [],
cb: cb,
chanId: chanId,
};
};
var getRangeRequest = function (ctx, txid) {
return ctx.range_requests[txid];
};
var deleteRangeRequest = function (ctx, txid) {
delete ctx.range_requests[txid];
};
// History
var getMoreHistory = function (ctx, chanId, hash, count, cb) {
if (typeof(cb) !== 'function') { return; }
if (typeof(hash) !== 'string') {
// Channel is empty!
return void cb([]);
}
var chan = ctx.channels[chanId];
if (typeof(chan) === 'undefined') {
console.error("chan is undefined. we're going to have a problem here");
return;
}
var txid = Util.uid();
initRangeRequest(ctx, txid, chanId, cb);
var msg = [ 'GET_HISTORY_RANGE', chan.id, {
from: hash,
count: count,
txid: txid,
}
];
var network = ctx.store.network;
network.sendto(network.historyKeeper, JSON.stringify(msg)).then(function () {
}, function (err) {
console.error(err);
});
};
var getChannelMessagesSince = function (ctx, channel, data, keys) {
var network = ctx.store.network;
console.log('Fetching [%s] messages since [%s]', channel.id, data.lastKnownHash || '');
if (channel.isPadChat || channel.isTeamChat) {
// We need to use GET_HISTORY_RANGE to make sure we won't get the full history
var txid = Util.uid();
initRangeRequest(ctx, txid, channel.id, undefined);
var msg0 = ['GET_HISTORY_RANGE', channel.id, {
//from: hash,
count: 10,
txid: txid,
}
];
network.sendto(network.historyKeeper, JSON.stringify(msg0)).then(function () {
}, function (err) {
console.error(err);
});
return;
}
// Friend chat, intial history
var proxy = ctx.store.proxy;
var friend = getFriendFromChannel(ctx, channel.id) || {};
var cfg = {
metadata: {
validateKey: keys ? keys.validateKey : undefined,
owners: [proxy.edPublic, friend.edPublic],
},
lastKnownHash: data.lastKnownHash
};
var msg = ['GET_HISTORY', channel.id, cfg];
network.sendto(network.historyKeeper, JSON.stringify(msg))
.then(function () {}, function (err) {
console.error(err);
});
};
var setChannelHead = function (ctx, id, hash, cb) {
var channel = ctx.channels[id];
if (channel.isFriendChat) {
var friend = getFriendFromChannel(ctx, id);
if (!friend) { return void cb({error: 'NO_SUCH_FRIEND'}); }
friend.lastKnownHash = hash;
} else if (channel.isPadChat) {
// Nothing to do
} else if (channel.isTeamChat) {
// Nothing to do
} else {
// TODO room
return void cb({error: 'NOT_IMPLEMENTED'});
}
cb();
};
var onChannelReady = function (ctx, chanId) {
var channel = ctx.channels[chanId];
if (!channel) { return; }
channel.ready = true;
channel.onReady.fire();
};
// Id message allows us to map a netfluxId with a public curve key
var onIdMessage = function (ctx, msg, sender) {
// Parse the history message and make sure it is related to an existing channel
var channel, parsed0;
try {
parsed0 = JSON.parse(msg);
channel = ctx.channels[parsed0.channel];
if (!channel || channel.wc.members.indexOf(sender) === -1) { return; }
} catch (e) {
return void console.error(e, msg);
}
// Decrypt and parse its content...
var decryptedMsg = channel.decrypt(parsed0.msg);
if (!decryptedMsg) { return void console.error("Failed to decrypt message"); }
var parsed = Util.tryParse(decryptedMsg);
if (!parsed) { return void console.error(decryptedMsg); }
// Keep only ID messages here
if (parsed[0] !== Types.mapId && parsed[0] !== Types.mapIdAck) { return; }
// check that the responding peer's encrypted netflux id matches
// the sender field. This is to prevent replay attacks.
if (parsed[2] !== sender || !parsed[1]) { return; }
channel.mapId[sender] = parsed[1];
ctx.emit('JOIN', {
info: parsed[1],
id: channel.id
}, channel.clients);
if (channel.readOnly) { return; } // Don't send your key if you're a reader
if (parsed[0] !== Types.mapId) { return; } // Don't send your key if it's already an ACK
// Answer with your own key
var proxy = ctx.store.proxy;
var myData = createData(proxy);
delete myData.channel;
var rMsg = [Types.mapIdAck, myData, channel.wc.myID];
var rMsgStr = JSON.stringify(rMsg);
var cryptMsg = channel.encrypt(rMsgStr);
var data = {
channel: channel.id,
msg: cryptMsg
};
var network = ctx.store.network;
network.sendto(sender, JSON.stringify(data));
};
var orderMessages = function (channel, new_messages) {
var messages = channel.messages;
// TODO improve performance, guarantee correct ordering
new_messages.reverse().forEach(function (msg) {
messages.unshift(msg);
});
};
var removeFromFriendList = function (ctx, curvePublic, cb) {
var proxy = ctx.store.proxy;
var friends = proxy.friends;
if (!friends) { return; }
delete friends[curvePublic];
Realtime.whenRealtimeSyncs(ctx.store.realtime, function () {
ctx.updateMetadata();
cb();
});
};
var pushMsg = function (ctx, channel, cryptMsg) {
var sig = cryptMsg.slice(0, 64);
if (msgAlreadyKnown(channel, sig)) { return; }
var msg = channel.decrypt(cryptMsg);
var parsedMsg = JSON.parse(msg);
var curvePublic;
// Chat message
if (parsedMsg[0] === Types.message) {
var res = {
type: parsedMsg[0],
sig: sig,
author: parsedMsg[1],
time: parsedMsg[2],
text: parsedMsg[3],
channel: channel.id,
name: parsedMsg[4] // Display name for multi-user rooms
};
channel.messages.push(res);
if (channel.ready) { ctx.emit('MESSAGE', res, channel.clients); }
return true;
}
var proxy = ctx.store.proxy;
if (parsedMsg[0] === Types.unfriend) {
curvePublic = parsedMsg[1];
// If this a removal from our part in another tab, do nothing.
// The channel is already closed in the proxy.on('remove') part
if (curvePublic === proxy.curvePublic) { return; }
removeFromFriendList(ctx, curvePublic, function () {
channel.wc.leave(Types.unfriend);
var network = ctx.store.network;
if (channel.onReconnect) { network.off('reconnect', channel.onReconnect); }
delete ctx.channels[channel.id];
ctx.emit('UNFRIEND', {
curvePublic: curvePublic,
fromMe: false
}, channel.clients);
});
return;
}
};
var onDirectMessage = function (ctx, msg, sender) {
var hk = ctx.store.network.historyKeeper;
if (sender !== hk) { return void onIdMessage(ctx, msg, sender); }
var parsed = JSON.parse(msg);
if ((parsed.validateKey || parsed.owners) && parsed.channel) {
// Metadata message
return;
}
var channel;
if (/HISTORY_RANGE/.test(parsed[0])) {
var txid = parsed[1];
var req = getRangeRequest(ctx, txid);
var type = parsed[0];
if (!req) { return; }
channel = ctx.channels[req.chanId];
if (!channel) { return; }
if (!req.cb) { // This is the initial history for a pad chat
if (type === 'HISTORY_RANGE') {
if (!Array.isArray(parsed[2])) { return; }
pushMsg(ctx, channel, parsed[2][4]);
} else if (type === 'HISTORY_RANGE_END') {
onChannelReady(ctx, req.chanId);
return deleteRangeRequest(ctx, txid);
}
return;
}
// "More history": we need to store all the messages and cb all of them at once
// to make sure we won't display them in the wrong order (we receive the oldest first...)
if (type === 'HISTORY_RANGE') {
req.messages.push(parsed[2]);
} else if (type === 'HISTORY_RANGE_END') {
// process all the messages (decrypt)
var decrypted = req.messages.map(function (msg) {
if (msg[2] !== 'MSG') { return; }
try {
return {
d: JSON.parse(channel.decrypt(msg[4])),
sig: msg[4].slice(0, 64),
};
} catch (e) {
return void console.log('failed to decrypt');
}
}).filter(function (decrypted) {
if (!decrypted || !decrypted.d || decrypted.d[0] !== Types.message) { return; }
if (msgAlreadyKnown(channel, decrypted.sig)) { return; }
return decrypted;
}).map(function (O) {
return {
type: O.d[0],
sig: O.sig,
author: O.d[1],
time: O.d[2],
text: O.d[3],
channel: req.chanId,
name: O.d[4]
};
});
orderMessages(channel, decrypted);
req.cb(decrypted);
return deleteRangeRequest(ctx, txid);
} else {
console.log(parsed);
}
return;
}
if (parsed.channel && ctx.channels[parsed.channel]) {
channel = ctx.channels[parsed.channel];
// Error in initial history
// History cleared while we're in the channel
if (parsed.error === 'ECLEARED') {
setChannelHead(ctx, parsed.channel, '', function () {});
channel.messages = [];
ctx.emit('CLEAR_CHANNEL', parsed.channel, channel.clients);
return;
}
// History cleared while we were offline
// ==> we asked for an invalid last known hash
if (parsed.error && parsed.error === "EINVAL") {
setChannelHead(ctx, parsed.channel, '', function () {
getChannelMessagesSince(ctx, channel, {}, {});
});
return;
}
// End of initial history
if (parsed.state && parsed.state === 1 && parsed.channel) {
return void onChannelReady(ctx, parsed.channel);
}
}
// Initial history message
channel = ctx.channels[parsed[3]];
if (!channel) { return; }
pushMsg(ctx, channel, parsed[4]);
};
var onMessage = function (ctx, msg, sender, chan) {
var channel = ctx.channels[chan.id];
if (!channel) { return; }
pushMsg(ctx, channel, msg);
};
var onFriendRemoved = function (ctx, curvePublic, chanId) {
var channel = ctx.channels[chanId];
if (!channel) { return; }
if (channel.wc) {
channel.wc.leave(Types.unfriend);
}
var network = ctx.store.network;
if (channel.onReconnect) { network.off('reconnect', channel.onReconnect); }
delete ctx.channels[channel.id];
ctx.emit('UNFRIEND', {
curvePublic: curvePublic,
fromMe: true
}, ctx.friendsClients);
};
var removeFriend = function (ctx, curvePublic, _cb) {
var cb = Util.once(_cb);
if (typeof(cb) !== 'function') { return void console.error('NO_CALLBACK'); }
var proxy = ctx.store.proxy;
var data = getFriend(proxy, curvePublic);
if (!data) {
// friend is not valid
console.error('friend is not valid');
return void cb({error: 'INVALID_FRIEND'});
}
var channel = ctx.channels[data.channel];
// Unfriend with mailbox
if (ctx.store.mailbox && data.curvePublic && data.notifications) {
Messaging.removeFriend(ctx.store, curvePublic, function (obj) {
if (obj && obj.error) { return void cb({error:obj.error}); }
ctx.updateMetadata();
cb(obj);
});
return;
}
// Unfriend with channel
if (!channel) {
return void cb({error: "NO_SUCH_CHANNEL"});
}
try {
var msg = [Types.unfriend, proxy.curvePublic, +new Date()];
var msgStr = JSON.stringify(msg);
var cryptMsg = channel.encrypt(msgStr);
channel.wc.bcast(cryptMsg).then(function () {}, function (err) {
if (err) { return void cb({error:err}); }
onFriendRemoved(ctx, curvePublic, data.channel);
removeFromFriendList(ctx, curvePublic, function () {
cb();
});
});
} catch (e) {
cb({error: e});
}
};
// Cancel pending friend requests
var cancelFriend = function (ctx, data, _cb) {
var cb = Util.once(_cb);
if (typeof(cb) !== 'function') { return void console.error('NO_CALLBACK'); }
ctx.Store.cancelFriendRequest(data, cb);
};
var getAllClients = function (ctx) {
var all = [];
Array.prototype.push.apply(all, ctx.friendsClients);
Object.keys(ctx.channels).forEach(function (id) {
Array.prototype.push.apply(all, ctx.channels[id].clients);
});
return Util.deduplicateString(all);
};
var muteUser = function (ctx, data, _cb) {
var cb = Util.once(Util.mkAsync(_cb));
var proxy = ctx.store.proxy;
var muted = proxy.mutedUsers = proxy.mutedUsers || {};
if (muted[data.curvePublic]) { return void cb(); }
muted[data.curvePublic] = data;
ctx.emit('UPDATE_MUTED', null, getAllClients(ctx));
cb();
};
var unmuteUser = function (ctx, curvePublic, _cb) {
var cb = Util.once(Util.mkAsync(_cb));
var proxy = ctx.store.proxy;
var muted = proxy.mutedUsers = proxy.mutedUsers || {};
delete muted[curvePublic];
ctx.emit('UPDATE_MUTED', null, getAllClients(ctx));
cb(Object.keys(muted).length);
};
var getMutedUsers = function (ctx, cb) {
var proxy = ctx.store.proxy;
if (cb) {
return void cb(proxy.mutedUsers || {});
}
return proxy.mutedUsers || {};
};
var openChannel = function (ctx, data) {
var proxy = ctx.store.proxy;
var network = ctx.store.network;
var hk = network.historyKeeper;
var keys = data.keys;
var encryptor = data.encryptor || Curve.createEncryptor(keys);
var channel = {
id: data.channel,
isFriendChat: data.isFriendChat,
isPadChat: data.isPadChat,
isTeamChat: data.isTeamChat,
padChan: data.padChan, // Channel ID of the pad linked to this pad chat
readOnly: data.readOnly,
ready: false,
onReady: Util.mkEvent(true),
sending: false,
messages: [],
clients: data.clients || [],
onUserlistUpdate: data.onUserlistUpdate || function () {},
mapId: {},
};
if (data.onReady) { channel.onReady.reg(data.onReady); }
channel.encrypt = function (msg) {
if (channel.readOnly) { return; }
return encryptor.encrypt(msg);
};
channel.decrypt = data.decrypt || function (msg) {
return encryptor.decrypt(msg);
};
var onJoining = function (peer) {
if (peer === hk) { return; }
if (channel.readOnly) { return; }
// Join event will be sent once we are able to ID this peer
var myData = createData(proxy);
delete myData.channel;
var msg = [Types.mapId, myData, channel.wc.myID];
var msgStr = JSON.stringify(msg);
var cryptMsg = channel.encrypt(msgStr);
var data = {
channel: channel.id,
msg: cryptMsg
};
network.sendto(peer, JSON.stringify(data));
};
var onLeaving = function (peer) {
if (peer === hk) { return; }
// update status
var otherData = channel.mapId[peer];
if (!otherData) { return; }
// Make sure the leaving user is not connected with another netflux id
if (channel.wc.members.some(function (nId) {
return channel.mapId[nId]
&& channel.mapId[nId].curvePublic === otherData.curvePublic;
})) { return; }
// Send the notification
ctx.emit('LEAVE', {
info: otherData,
id: channel.id
}, channel.clients);
};
var onOpen = function (chan) {
channel.wc = chan;
ctx.channels[data.channel] = channel;
chan.on('message', function (msg, sender) {
onMessage(ctx, msg, sender, chan);
});
chan.on('join', onJoining);
chan.on('leave', onLeaving);
getChannelMessagesSince(ctx, channel, data, keys);
};
network.join(data.channel).then(onOpen, function (err) {
console.error(err);
});
channel.onReconnect = function () {
if (channel && channel.stopped) { return; }
if (!ctx.channels[data.channel]) { return; }
network.join(data.channel).then(onOpen, function (err) {
console.error(err);
});
};
network.on('reconnect', channel.onReconnect);
};
var sendMessage = function (ctx, id, payload, cb) {
var channel = ctx.channels[id];
if (!channel) { return void cb({error: 'NO_CHANNEL'}); }
if (channel.readOnly) { return void cb({error: 'FORBIDDEN'}); }
var network = ctx.store.network;
if (!network.webChannels.some(function (wc) {
if (wc.id === channel.wc.id) { return true; }
})) {
return void cb({error: 'NO_SUCH_CHANNEL'});
}
var proxy = ctx.store.proxy;
var msg = [Types.message, proxy.curvePublic, +new Date(), payload];
if (!channel.isFriendChat) {
var name = proxy[Constants.displayNameKey] ||
Messages.anonymous + '#' + proxy.uid.slice(0,5);
msg.push(name);
}
var msgStr = JSON.stringify(msg);
var cryptMsg = channel.encrypt(msgStr);
channel.wc.bcast(cryptMsg).then(function () {
pushMsg(ctx, channel, cryptMsg);
cb();
}, function (err) {
cb({error: err});
});
};
var getOnlineList = function (ctx, chanId) {
var channel = ctx.channels[chanId];
if (!channel) { return; }
var online = []; // Store online members to avoid duplicates
// Add ourselves
var myData = createData(ctx.store.proxy, false);
online.push(myData.curvePublic);
channel.wc.members.forEach(function (nId) {
if (nId === ctx.store.network.historyKeeper) { return; }
var data = channel.mapId[nId] || {};
if (!data.curvePublic) { return; }
if (online.indexOf(data.curvePublic) !== -1) { return; }
online.push(data.curvePublic);
});
return online;
};
// Display green status if one member is not me
var getStatus = function (ctx, chanId, cb) {
var channel = ctx.channels[chanId];
if (!channel) { return void cb('NO_SUCH_CHANNEL'); }
if (channel.onUserlistUpdate) {
channel.onUserlistUpdate();
}
var proxy = ctx.store.proxy;
var online = channel.wc.members.some(function (nId) {
if (nId === ctx.store.network.historyKeeper) { return; }
var data = channel.mapId[nId] || undefined;
if (!data) { return false; }
return data.curvePublic !== proxy.curvePublic;
});
cb(online);
};
var getMyInfo = function (ctx, cb) {
var proxy = ctx.store.proxy;
cb({
curvePublic: proxy.curvePublic,
displayName: proxy[Constants.displayNameKey]
});
};
var loadFriend = function (ctx, clientId, friend, _cb) {
var cb = Util.once(Util.mkAsync(_cb));
var chanId = friend.channel;
var channel = ctx.channels[chanId];
if (channel) {
// Fired instantly if already ready
return void channel.onReady.reg(function () {
if (channel.clients.indexOf(clientId) === -1) {
channel.clients.push(clientId);
}
cb();
});
}
var proxy = ctx.store.proxy;
var keys = Curve.deriveKeys(friend.curvePublic, proxy.curvePrivate);
var data = {
keys: keys,
channel: friend.channel,
lastKnownHash: friend.lastKnownHash,
owners: [proxy.edPublic, friend.edPublic],
isFriendChat: true,
clients: clientId ? [clientId] : ctx.friendsClients,
onReady: cb
};
openChannel(ctx, data);
};
var initFriends = function (ctx, clientId, cb) {
var friends = getFriendList(ctx.store.proxy);
nThen(function (waitFor) {
// Load or get all friends channels
Object.keys(friends).forEach(function (key) {
if (key === 'me') {
// At some point a bug inserted a friend's channel into our "me" data.
// This led to displaying our name instead of our friend's name in the
// contacts app. The following line is here to prevent this issue to happen
// again.
delete friends.me.channel;
return;
}
var friend = clone(friends[key]);
if (typeof(friend) !== 'object') { return; }
if (!friend.channel) { return; }
loadFriend(ctx, clientId, friend, waitFor());
});
}).nThen(function () {
if (ctx.friendsClients.indexOf(clientId) === -1) {
ctx.friendsClients.push(clientId);
}
cb();
});
};
var getRooms = function (ctx, data, cb) {
var proxy = ctx.store.proxy;
// Get a single friend's room (on friend added)
if (data && data.curvePublic) {
var curvePublic = data.curvePublic;
// We need to get data about a new friend's room
var friend = getFriend(proxy, curvePublic);
if (!friend) { return void cb({error: 'NO_SUCH_FRIEND'}); }
var channel = ctx.channels[friend.channel];
if (!channel) { return void cb({error: 'NO_SUCH_CHANNEL'}); }
return void cb([{
id: channel.id,
isFriendChat: true,
name: friend.displayName,
lastKnownHash: friend.lastKnownHash,
curvePublic: friend.curvePublic,
messages: channel.messages
}]);
}
// Pad chat room
if (data && data.padChat) {
var pCChannel = ctx.channels[data.padChat];
if (!pCChannel) { return void cb({error: 'NO_SUCH_CHANNEL'}); }
return void cb([{
id: pCChannel.id,
isPadChat: true,
messages: pCChannel.messages
}]);
}
// Team chat room
if (data && data.teamChat) {
var tCChannel = ctx.channels[data.teamChat];
if (!tCChannel) { return void cb({error: 'NO_SUCH_CHANNEL'}); }
return void cb([{
id: tCChannel.id,
isTeamChat: true,
messages: tCChannel.messages
}]);
}
// Existing friends...
var rooms = Object.keys(ctx.channels).map(function (id) {
var r = ctx.channels[id];
var name, lastKnownHash, curvePublic;
if (r.isFriendChat) {
var friend = getFriendFromChannel(ctx, id);
if (!friend) { return null; }
name = friend.displayName;
lastKnownHash = friend.lastKnownHash;
curvePublic = friend.curvePublic;
} else if (r.isPadChat) {
return;
} else if (r.isTeamChat) {
return;
} else {
// TODO room get metadata (name) && lastKnownHash
}
return {
id: r.id,
isFriendChat: r.isFriendChat,
name: name,
lastKnownHash: lastKnownHash,
curvePublic: curvePublic,
messages: r.messages
};
}).filter(function (x) { return x; });
cb(rooms);
};
// Gte the static userlist of a room (eveyrone who has accessed to the room)
var getUserList = function (ctx, data, cb) {
var room = ctx.channels[data.id];
if (!room) { return void cb({error: 'NO_SUCH_CHANNEL'}); }
if (room.isFriendChat) {
var friend = getFriendFromChannel(ctx, data.id);
if (!friend) { return void cb({error: 'NO_SUCH_FRIEND'}); }
cb([friend]);
} else {
// TODO room userlist in rooms...
// (this is the static userlist, not the netflux one)
cb([]);
}
};
var openPadChat = function (ctx, clientId, data, _cb) {
var chanId = data.channel;
var cb = Util.once(Util.mkAsync(function () {
ctx.emit('PADCHAT_READY', chanId, [clientId]);
_cb();
}));
var channel = ctx.channels[chanId];
if (channel) {
return void channel.onReady.reg(function () {
if (channel.clients.indexOf(clientId) === -1) {
channel.clients.push(clientId);
}
cb();
});
}
var secret = data.secret;
if (secret.keys.cryptKey) {
secret.keys.cryptKey = convertToUint8(secret.keys.cryptKey);
}
var encryptor = Crypto.createEncryptor(secret.keys);
var vKey = (secret.keys && secret.keys.validateKey) || ctx.validateKeys[secret.channel];
var chanData = {
padChan: data.secret && data.secret.channel,
readOnly: typeof(secret.keys) === "object" && !secret.keys.validateKey,
encryptor: encryptor,
channel: data.channel,
isPadChat: true,
decrypt: function (msg) {
return encryptor.decrypt(msg, vKey);
},
clients: [clientId],
onReady: cb
};
openChannel(ctx, chanData);
};
var openTeamChat = function (ctx, clientId, data, onUpdate, _cb) {
var chatData = data;
var chanId = chatData.channel;
var secret = chatData.secret;
if (!chanId || !secret) { return void _cb({error: 'EINVAL'}); }
var cb = Util.once(Util.mkAsync(function () {
ctx.emit('TEAMCHAT_READY', chanId, [clientId]);
_cb({
readOnly: typeof(secret.keys) === "object" && !secret.keys.validateKey,
channel: chanId
});
}));
var channel = ctx.channels[chanId];
if (channel) {
return void channel.onReady.reg(function () {
if (channel.clients.indexOf(clientId) === -1) {
channel.clients.push(clientId);
}
cb();
});
}
if (secret.keys.cryptKey) {
secret.keys.cryptKey = convertToUint8(secret.keys.cryptKey);
}
var encryptor = Crypto.createEncryptor(secret.keys);
var vKey = (secret.keys && secret.keys.validateKey) || chatData.validateKey;
var chanData = {
teamId: data.teamId,
readOnly: typeof(secret.keys) === "object" && !secret.keys.validateKey,
encryptor: encryptor,
channel: chanId,
isTeamChat: true,
decrypt: function (msg) {
return encryptor.decrypt(msg, vKey);
},
clients: [clientId],
onUserlistUpdate: onUpdate,
onReady: cb
};
openChannel(ctx, chanData);
};
var clearOwnedChannel = function (ctx, id, cb) {
var channel = ctx.channels[id];
if (!channel) { return void cb({error: 'NO_CHANNEL'}); }
if (!ctx.store.rpc) { return void cb({error: 'RPC_NOT_READY'}); }
ctx.store.rpc.clearOwnedChannel(id, function (err) {
cb({error:err});
if (!err) {
channel.messages = [];
ctx.emit('CLEAR_CHANNEL', id, channel.clients);
}
});
};
// Remove a client from all the team they're subscribed to
var removeClient = function (ctx, cId) {
var friendsIdx = ctx.friendsClients.indexOf(cId);
if (friendsIdx !== -1) {
ctx.friendsClients.splice(friendsIdx, 1);
}
Object.keys(ctx.channels).forEach(function (id) {
var channel = ctx.channels[id];
var clients = channel.clients;
var idx = clients.indexOf(cId);
if (idx !== -1) { clients.splice(idx, 1); }
if (clients.length === 0) {
if (channel.wc) { channel.wc.leave(); }
var network = ctx.store.network;
if (channel.onReconnect) { network.off('reconnect', channel.onReconnect); }
channel.stopped = true;
delete ctx.channels[id];
return true;
}
});
};
Msg.init = function (cfg, waitFor, emit) {
var messenger = {};
var store = cfg.store;
if (AppConfig.availablePadTypes.indexOf('contacts') === -1) { return; }
var ctx = {
store: store,
Store: cfg.Store,
updateMetadata: cfg.updateMetadata,
pinPads: cfg.pinPads,
emit: emit,
friendsClients: [],
channels: {},
validateKeys: {},
range_requests: {}
};
store.proxy.on('change', ['mutedUsers'], function () {
ctx.emit('UPDATE_MUTED', null, getAllClients(ctx));
});
ctx.store.network.on('message', function(msg, sender) {
onDirectMessage(ctx, msg, sender);
});
ctx.store.network.on('disconnect', function () {
ctx.emit('DISCONNECT', null, getAllClients(ctx));
});
ctx.store.network.on('reconnect', function () {
ctx.emit('RECONNECT', null, getAllClients(ctx));
});
messenger.onFriendUpdate = function (curve) {
var friend = getFriend(store.proxy, curve);
if (!friend || !friend.channel) { return; }
var chan = ctx.channels[friend.channel];
if (chan) {
ctx.emit('UPDATE_DATA', {
info: clone(friend),
channel: friend.channel
}, chan.clients);
}
};
// Friend added in our contacts in the current worker
messenger.onFriendAdded = function (friendData) {
if (!ctx.friendsClients.length) { return; }
var friend = getFriend(ctx.store.proxy, friendData.curvePublic);
if (typeof(friend) !== 'object') { return; }
var channel = friend.channel;
if (!channel) { return; }
// Already friend? don't load the channel a second time
var chanId = friend.channel;
var chan = ctx.channels[chanId];
if (chan) { return; }
// Load the channel and add the friend to the contacts app
loadFriend(ctx, null, friend, function () {
emit('FRIEND', {
curvePublic: friend.curvePublic,
}, ctx.friendsClients);
});
};
messenger.onFriendRemoved = function (curvePublic, chanId) {
onFriendRemoved(ctx, curvePublic, chanId);
};
messenger.getOnlineList = function (chanId) {
return getOnlineList(ctx, chanId);
};
messenger.storeValidateKey = function (chan, key) {
ctx.validateKeys[chan] = key;
};
messenger.leavePad = function (padChan) {
// Leave chat and prevent reconnect when we leave a pad
delete ctx.validateKeys[padChan];
Object.keys(ctx.channels).some(function (chatChan) {
var channel = ctx.channels[chatChan];
if (channel.padChan !== padChan) { return; }
if (channel.wc) { channel.wc.leave(); }
var network = ctx.store.network;
if (channel.onReconnect) { network.off('reconnect', channel.onReconnect); }
channel.stopped = true;
delete ctx.channels[chatChan];
return true;
});
};
messenger.openTeamChat = function (data, onUpdate, cId, cb) {
openTeamChat(ctx, cId, data, onUpdate, cb);
};
messenger.removeClient = function (clientId) {
removeClient(ctx, clientId);
};
messenger.execCommand = function (clientId, obj, cb) {
var cmd = obj.cmd;
var data = obj.data;
if (cmd === 'INIT_FRIENDS') {
return void initFriends(ctx, clientId, cb);
}
if (cmd === 'GET_ROOMS') {
return void getRooms(ctx, data, cb);
}
if (cmd === 'GET_MUTED_USERS') {
return void getMutedUsers(ctx, cb);
}
if (cmd === 'GET_USERLIST') {
return void getUserList(ctx, data, cb);
}
if (cmd === 'OPEN_PAD_CHAT') {
return void openPadChat(ctx, clientId, data, cb);
}
if (cmd === 'GET_MY_INFO') {
return void getMyInfo(ctx, cb);
}
if (cmd === 'REMOVE_FRIEND') {
return void removeFriend(ctx, data, cb);
}
if (cmd === 'CANCEL_FRIEND') {
return void cancelFriend(ctx, data, cb);
}
if (cmd === 'MUTE_USER') {
return void muteUser(ctx, data, cb);
}
if (cmd === 'UNMUTE_USER') {
return void unmuteUser(ctx, data, cb);
}
if (cmd === 'GET_STATUS') {
return void getStatus(ctx, data, cb);
}
if (cmd === 'GET_MORE_HISTORY') {
return void getMoreHistory(ctx, data.id, data.sig, data.count, cb);
}
if (cmd === 'SEND_MESSAGE') {
return void sendMessage(ctx, data.id, data.content, cb);
}
if (cmd === 'SET_CHANNEL_HEAD') {
return void setChannelHead(ctx, data.id, data.sig, cb);
}
if (cmd === 'CLEAR_OWNED_CHANNEL') {
return void clearOwnedChannel(ctx, data, cb);
}
};
return messenger;
};
return Msg;
});