1035 lines
37 KiB
JavaScript
1035 lines
37 KiB
JavaScript
define([
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||
'/bower_components/chainpad-crypto/crypto.js',
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'/common/curve.js',
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'/common/common-hash.js',
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'/common/common-util.js',
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'/common/common-realtime.js',
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'/common/common-constants.js',
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'/customize/messages.js',
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||
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'/bower_components/nthen/index.js',
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||
], function (Crypto, Curve, Hash, Util, Realtime, Constants, Messages, nThen) {
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'use strict';
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var Msg = {
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inputs: [],
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};
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var Types = {
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message: 'MSG',
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update: 'UPDATE',
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unfriend: 'UNFRIEND',
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mapId: 'MAP_ID',
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mapIdAck: 'MAP_ID_ACK'
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};
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||
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var clone = function (o) {
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return JSON.parse(JSON.stringify(o));
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||
};
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||
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var convertToUint8 = function (obj) {
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var l = Object.keys(obj).length;
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var u = new Uint8Array(l);
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for (var i = 0; i<l; i++) {
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u[i] = obj[i];
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}
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return u;
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||
};
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// TODO
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// - mute a channel (hide notifications or don't open it?)
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var createData = Msg.createData = function (proxy, hash) {
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return {
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channel: hash || Hash.createChannelId(),
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displayName: proxy[Constants.displayNameKey],
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profile: proxy.profile && proxy.profile.view,
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edPublic: proxy.edPublic,
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curvePublic: proxy.curvePublic,
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notifications: Util.find(proxy, ['mailboxes', 'notifications', 'channel']),
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avatar: proxy.profile && proxy.profile.avatar
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||
};
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};
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var getFriend = function (proxy, pubkey) {
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||
if (pubkey === proxy.curvePublic) {
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var data = createData(proxy);
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delete data.channel;
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return data;
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}
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return proxy.friends ? proxy.friends[pubkey] : undefined;
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||
};
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||
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var getFriendList = Msg.getFriendList = function (proxy) {
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if (!proxy.friends) { proxy.friends = {}; }
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return proxy.friends;
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||
};
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||
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var msgAlreadyKnown = function (channel, sig) {
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return channel.messages.some(function (message) {
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return message.sig === sig;
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});
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};
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Msg.messenger = function (store, updateMetadata) {
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var messenger = {
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handlers: {
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event: []
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},
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range_requests: {},
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};
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var eachHandler = function (type, g) {
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messenger.handlers[type].forEach(g);
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};
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var emit = function (ev, data) {
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eachHandler('event', function (f) {
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f(ev, data);
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});
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};
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messenger.on = function (type, f) {
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var stack = messenger.handlers[type];
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if (!Array.isArray(stack)) {
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return void console.error('unsupported message type');
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}
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if (typeof(f) !== 'function') {
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return void console.error('expected function');
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}
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stack.push(f);
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};
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var allowFriendsChannels = false;
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var channels = messenger.channels = {};
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var joining = {};
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// declare common variables
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var network = store.network;
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var proxy = store.proxy;
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var realtime = store.realtime;
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Msg.hk = network.historyKeeper;
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var friends = getFriendList(proxy);
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var getChannel = function (chanId) {
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return channels[chanId];
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};
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var getFriendFromChannel = function (id) {
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var friend;
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for (var k in friends) {
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if (friends[k].channel === id) {
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friend = friends[k];
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break;
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||
}
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}
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return friend;
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};
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||
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var initRangeRequest = function (txid, chanId, cb) {
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messenger.range_requests[txid] = {
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messages: [],
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cb: cb,
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||
chanId: chanId,
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};
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};
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var getRangeRequest = function (txid) {
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return messenger.range_requests[txid];
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};
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var deleteRangeRequest = function (txid) {
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delete messenger.range_requests[txid];
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};
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var getMoreHistory = function (chanId, hash, count, cb) {
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if (typeof(cb) !== 'function') { return; }
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||
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if (typeof(hash) !== 'string') {
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// Channel is empty!
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return void cb([]);
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}
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var chan = getChannel(chanId);
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if (typeof(chan) === 'undefined') {
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console.error("chan is undefined. we're going to have a problem here");
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return;
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}
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var txid = Util.uid();
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initRangeRequest(txid, chanId, cb);
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var msg = [ 'GET_HISTORY_RANGE', chan.id, {
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from: hash,
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count: count,
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txid: txid,
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}
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];
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network.sendto(network.historyKeeper, JSON.stringify(msg)).then(function () {
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}, function (err) {
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throw new Error(err);
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});
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};
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||
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/*var getCurveForChannel = function (id) {
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var channel = channels[id];
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if (!channel) { return; }
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return channel.curve;
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};*/
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||
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/*messenger.getChannelHead = function (id, cb) {
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var channel = getChannel(id);
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if (channel.isFriendChat) {
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var friend;
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for (var k in friends) {
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||
if (friends[k].channel === id) {
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friend = friends[k];
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break;
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}
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}
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if (!friend) { return void cb('NO_SUCH_FRIEND'); }
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cb(void 0, friend.lastKnownHash);
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} else {
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// TODO room
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cb('NOT_IMPLEMENTED');
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}
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};*/
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var setChannelHead = function (id, hash, cb) {
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var channel = getChannel(id);
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if (channel.isFriendChat) {
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var friend = getFriendFromChannel(id);
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if (!friend) { return void cb({error: 'NO_SUCH_FRIEND'}); }
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friend.lastKnownHash = hash;
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} else if (channel.isPadChat) {
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// Nothing to do
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} else {
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// TODO room
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return void cb({error: 'NOT_IMPLEMENTED'});
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}
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cb();
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};
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// Make sure the data we have about our friends are up-to-date when we see them online
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var checkFriendData = function (curve, data, channel) {
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if (curve === proxy.curvePublic) { return; }
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var friend = getFriend(proxy, curve);
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if (!friend) { return; }
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var types = [];
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Object.keys(data).forEach(function (k) {
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if (friend[k] !== data[k]) {
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types.push(k);
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friend[k] = data[k];
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}
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});
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emit('UPDATE_DATA', {
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info: clone(data),
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types: types,
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channel: channel
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});
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};
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// Id message allows us to map a netfluxId with a public curve key
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var onIdMessage = function (msg, sender) {
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var channel, parsed0;
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try {
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parsed0 = JSON.parse(msg);
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channel = channels[parsed0.channel];
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if (!channel) { return; }
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if (channel.userList.indexOf(sender) === -1) { return; }
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} catch (e) {
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console.log(msg);
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console.error(e);
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// Not an ID message
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return;
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}
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var decryptedMsg = channel.decrypt(parsed0.msg);
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||
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if (decryptedMsg === null) {
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return void console.error("Failed to decrypt message");
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}
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if (!decryptedMsg) {
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console.error('decrypted message was falsey but not null');
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return;
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}
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var parsed;
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try {
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parsed = JSON.parse(decryptedMsg);
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} catch (e) {
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console.error(decryptedMsg);
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return;
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}
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if (parsed[0] !== Types.mapId && parsed[0] !== Types.mapIdAck) { return; }
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||
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// check that the responding peer's encrypted netflux id matches
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// the sender field. This is to prevent replay attacks.
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if (parsed[2] !== sender || !parsed[1]) { return; }
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channel.mapId[sender] = parsed[1];
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checkFriendData(parsed[1].curvePublic, parsed[1], channel.id);
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emit('JOIN', {
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info: parsed[1],
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id: channel.id
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});
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if (channel.readOnly) { return; }
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if (parsed[0] !== Types.mapId) { return; } // Don't send your key if it's already an ACK
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// Answer with your own key
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var myData = createData(proxy);
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delete myData.channel;
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var rMsg = [Types.mapIdAck, myData, channel.wc.myID];
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var rMsgStr = JSON.stringify(rMsg);
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var cryptMsg = channel.encrypt(rMsgStr);
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var data = {
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channel: channel.id,
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msg: cryptMsg
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};
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network.sendto(sender, JSON.stringify(data));
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};
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var orderMessages = function (channel, new_messages) {
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var messages = channel.messages;
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// TODO improve performance, guarantee correct ordering
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new_messages.reverse().forEach(function (msg) {
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messages.unshift(msg);
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});
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};
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var removeFromFriendList = function (curvePublic, cb) {
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if (!proxy.friends) { return; }
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var friends = proxy.friends;
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delete friends[curvePublic];
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Realtime.whenRealtimeSyncs(realtime, function () {
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updateMetadata();
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cb();
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});
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};
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var pushMsg = function (channel, cryptMsg) {
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var sig = cryptMsg.slice(0, 64);
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if (msgAlreadyKnown(channel, sig)) { return; }
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var msg = channel.decrypt(cryptMsg);
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var parsedMsg = JSON.parse(msg);
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var curvePublic;
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if (parsedMsg[0] === Types.message) {
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// TODO validate messages here
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var res = {
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type: parsedMsg[0],
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sig: sig,
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author: parsedMsg[1],
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time: parsedMsg[2],
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text: parsedMsg[3],
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channel: channel.id,
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name: parsedMsg[4] // Display name for multi-user rooms
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// this makes debugging a whole lot easier
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//curve: getCurveForChannel(channel.id),
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};
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channel.messages.push(res);
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if (!joining[channel.id]) {
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// Channel is ready
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emit('MESSAGE', res);
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}
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return true;
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||
}
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if (parsedMsg[0] === Types.update) {
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||
checkFriendData(parsedMsg[1], parsedMsg[3], channel.id);
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return;
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}
|
||
if (parsedMsg[0] === Types.unfriend) {
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||
curvePublic = parsedMsg[1];
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||
|
||
// If this a removal from our part by in another tab, do nothing.
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||
// The channel is already closed in the proxy.on('remove') part
|
||
if (curvePublic === proxy.curvePublic) { return; }
|
||
|
||
removeFromFriendList(curvePublic, function () {
|
||
channel.wc.leave(Types.unfriend);
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||
delete channels[channel.id];
|
||
emit('UNFRIEND', {
|
||
curvePublic: curvePublic,
|
||
fromMe: false
|
||
});
|
||
});
|
||
return;
|
||
}
|
||
};
|
||
|
||
/* Broadcast a display name, profile, or avatar change to all contacts
|
||
*/
|
||
|
||
// TODO send event...
|
||
messenger.updateMyData = function () {
|
||
var friends = getFriendList(proxy);
|
||
var mySyncData = friends.me;
|
||
var myData = createData(proxy);
|
||
if (!mySyncData || mySyncData.displayName !== myData.displayName
|
||
|| mySyncData.profile !== myData.profile
|
||
|| mySyncData.avatar !== myData.avatar) {
|
||
delete myData.channel;
|
||
Object.keys(channels).forEach(function (chan) {
|
||
var channel = channels[chan];
|
||
|
||
if (!channel) {
|
||
return void console.error('NO_SUCH_CHANNEL');
|
||
}
|
||
if (channel.readOnly) { return; }
|
||
|
||
var msg = [Types.update, myData.curvePublic, +new Date(), myData];
|
||
var msgStr = JSON.stringify(msg);
|
||
var cryptMsg = channel.encrypt(msgStr);
|
||
channel.wc.bcast(cryptMsg).then(function () {
|
||
// TODO send event
|
||
//channel.refresh();
|
||
}, function (err) {
|
||
console.error(err);
|
||
});
|
||
});
|
||
|
||
emit('UPDATE', {
|
||
info: myData,
|
||
types: ['displayName', 'profile', 'avatar'],
|
||
});
|
||
friends.me = myData;
|
||
}
|
||
};
|
||
|
||
var getChannelMessagesSince = function (chan, data, keys) {
|
||
console.log('Fetching [%s] messages since [%s]', chan.id, data.lastKnownHash || '');
|
||
|
||
if (chan.isPadChat) {
|
||
// We need to use GET_HISTORY_RANGE to make sure we won't get the full history
|
||
var txid = Util.uid();
|
||
initRangeRequest(txid, chan.id, undefined);
|
||
var msg0 = ['GET_HISTORY_RANGE', chan.id, {
|
||
//from: hash,
|
||
count: 10,
|
||
txid: txid,
|
||
}
|
||
];
|
||
network.sendto(network.historyKeeper, JSON.stringify(msg0)).then(function () {
|
||
}, function (err) {
|
||
throw new Error(err);
|
||
});
|
||
return;
|
||
}
|
||
|
||
var friend = getFriendFromChannel(chan.id) || {};
|
||
var cfg = {
|
||
validateKey: keys ? keys.validateKey : undefined,
|
||
owners: [proxy.edPublic, friend.edPublic],
|
||
lastKnownHash: data.lastKnownHash
|
||
};
|
||
var msg = ['GET_HISTORY', chan.id, cfg];
|
||
network.sendto(network.historyKeeper, JSON.stringify(msg))
|
||
.then(function () {}, function (err) {
|
||
throw new Error(err);
|
||
});
|
||
};
|
||
|
||
var onChannelReady = function (chanId) {
|
||
var cb = joining[chanId];
|
||
if (typeof(cb) !== 'function') {
|
||
return void console.error('channel ready without callback');
|
||
}
|
||
delete joining[chanId];
|
||
return cb();
|
||
};
|
||
|
||
var onDirectMessage = function (msg, sender) {
|
||
if (sender !== Msg.hk) { return void onIdMessage(msg, sender); }
|
||
var parsed = JSON.parse(msg);
|
||
|
||
if (/HISTORY_RANGE/.test(parsed[0])) {
|
||
//console.log(parsed);
|
||
var txid = parsed[1];
|
||
var req = getRangeRequest(txid);
|
||
var type = parsed[0];
|
||
if (!req) {
|
||
return void console.error("received response to unknown request");
|
||
}
|
||
|
||
if (!req.cb) {
|
||
// This is the initial history for a pad chat
|
||
if (type === 'HISTORY_RANGE') {
|
||
if (!getChannel(req.chanId)) { return; }
|
||
if (!Array.isArray(parsed[2])) { return; }
|
||
pushMsg(getChannel(req.chanId), parsed[2][4]);
|
||
} else if (type === 'HISTORY_RANGE_END') {
|
||
if (!getChannel(req.chanId)) { return; }
|
||
getChannel(req.chanId).ready = true;
|
||
onChannelReady(req.chanId);
|
||
return;
|
||
}
|
||
return;
|
||
}
|
||
|
||
if (type === 'HISTORY_RANGE') {
|
||
req.messages.push(parsed[2]);
|
||
} else if (type === 'HISTORY_RANGE_END') {
|
||
// process all the messages (decrypt)
|
||
var channel = getChannel(req.chanId);
|
||
|
||
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) {
|
||
console.log('failed to decrypt');
|
||
return null;
|
||
}
|
||
}).filter(function (decrypted) {
|
||
if (!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(txid);
|
||
} else {
|
||
console.log(parsed);
|
||
}
|
||
return;
|
||
}
|
||
|
||
if ((parsed.validateKey || parsed.owners) && parsed.channel) {
|
||
return;
|
||
}
|
||
if (parsed.channel && channels[parsed.channel]) {
|
||
// Error in initial history
|
||
// History cleared while we're in the channel
|
||
if (parsed.error === 'ECLEARED') {
|
||
setChannelHead(parsed.channel, '', function () {});
|
||
channels[parsed.channel].messages = [];
|
||
emit('CLEAR_CHANNEL', parsed.channel);
|
||
return;
|
||
}
|
||
// History cleared while we were offline
|
||
// ==> we asked for an invalid last known hash
|
||
if (parsed.error && parsed.error === "EINVAL") {
|
||
setChannelHead(parsed.channel, '', function () {
|
||
getChannelMessagesSince(getChannel(parsed.channel), {}, {});
|
||
});
|
||
return;
|
||
}
|
||
|
||
// End of initial history
|
||
if (parsed.state && parsed.state === 1 && parsed.channel) {
|
||
// parsed.channel is Ready
|
||
// channel[parsed.channel].ready();
|
||
channels[parsed.channel].ready = true;
|
||
onChannelReady(parsed.channel);
|
||
return;
|
||
}
|
||
}
|
||
// Initial history message
|
||
var chan = parsed[3];
|
||
if (!chan || !channels[chan]) { return; }
|
||
pushMsg(channels[chan], parsed[4]);
|
||
};
|
||
|
||
var onMessage = function (msg, sender, chan) {
|
||
if (!channels[chan.id]) { return; }
|
||
|
||
var isMessage = pushMsg(channels[chan.id], msg);
|
||
if (isMessage) {
|
||
if (channels[chan.id].wc.myID !== sender) {
|
||
// Don't notify for your own messages
|
||
//channels[chan.id].notify();
|
||
}
|
||
//channels[chan.id].refresh();
|
||
}
|
||
};
|
||
|
||
// listen for messages...
|
||
network.on('message', function(msg, sender) {
|
||
onDirectMessage(msg, sender);
|
||
});
|
||
|
||
var removeFriend = function (curvePublic, _cb) {
|
||
var cb = Util.once(_cb);
|
||
if (typeof(cb) !== 'function') { throw new Error('NO_CALLBACK'); }
|
||
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 = channels[data.channel];
|
||
if (!channel) {
|
||
return void cb({error: "NO_SUCH_CHANNEL"});
|
||
}
|
||
|
||
if (!network.webChannels.some(function (wc) {
|
||
return wc.id === channel.id;
|
||
})) {
|
||
console.error('bad channel: ', curvePublic);
|
||
}
|
||
|
||
var msg = [Types.unfriend, proxy.curvePublic, +new Date()];
|
||
var msgStr = JSON.stringify(msg);
|
||
var cryptMsg = channel.encrypt(msgStr);
|
||
|
||
try {
|
||
if (store.mailbox && data.curvePublic && data.notifications) {
|
||
store.mailbox.sendTo('UNFRIEND', {
|
||
curvePublic: proxy.curvePublic
|
||
}, {
|
||
channel: data.notifications,
|
||
curvePublic: data.curvePublic
|
||
}, function (obj) {
|
||
console.log(obj);
|
||
if (obj && obj.error) {
|
||
return void cb(obj);
|
||
}
|
||
removeFromFriendList(curvePublic, function () {
|
||
delete channels[channel.id];
|
||
emit('UNFRIEND', {
|
||
curvePublic: curvePublic,
|
||
fromMe: true
|
||
});
|
||
cb();
|
||
});
|
||
});
|
||
} else {
|
||
removeFromFriendList(curvePublic, function () {
|
||
delete channels[channel.id];
|
||
emit('UNFRIEND', {
|
||
curvePublic: curvePublic,
|
||
fromMe: true
|
||
});
|
||
cb();
|
||
});
|
||
}
|
||
channel.wc.bcast(cryptMsg).then(function () {}, function (err) {
|
||
console.error(err);
|
||
});
|
||
} catch (e) {
|
||
cb({error: e});
|
||
}
|
||
};
|
||
|
||
var openChannel = function (data) {
|
||
var keys = data.keys;
|
||
var encryptor = data.encryptor || Curve.createEncryptor(keys);
|
||
var channel = {
|
||
id: data.channel,
|
||
isFriendChat: data.isFriendChat,
|
||
isPadChat: data.isPadChat,
|
||
padChan: data.padChan,
|
||
readOnly: data.readOnly,
|
||
sending: false,
|
||
messages: [],
|
||
userList: [],
|
||
mapId: {},
|
||
};
|
||
|
||
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 === Msg.hk) { return; }
|
||
if (channel.userList.indexOf(peer) !== -1) { return; }
|
||
channel.userList.push(peer);
|
||
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) {
|
||
var i = channel.userList.indexOf(peer);
|
||
while (i !== -1) {
|
||
channel.userList.splice(i, 1);
|
||
i = channel.userList.indexOf(peer);
|
||
}
|
||
// update status
|
||
var otherData = channel.mapId[peer];
|
||
if (!otherData) { return; }
|
||
|
||
// Make sure the leaving user is not connected with another netflux id
|
||
if (channel.userList.some(function (nId) {
|
||
return channel.mapId[nId]
|
||
&& channel.mapId[nId].curvePublic === otherData.curvePublic;
|
||
})) { return; }
|
||
|
||
// Send the notification
|
||
emit('LEAVE', {
|
||
info: otherData,
|
||
id: channel.id
|
||
});
|
||
};
|
||
|
||
var onOpen = function (chan) {
|
||
channel.wc = chan;
|
||
channels[data.channel] = channel;
|
||
|
||
chan.on('message', function (msg, sender) {
|
||
onMessage(msg, sender, chan);
|
||
});
|
||
|
||
chan.members.forEach(function (peer) {
|
||
if (peer === Msg.hk) { return; }
|
||
if (channel.userList.indexOf(peer) !== -1) { return; }
|
||
channel.userList.push(peer);
|
||
});
|
||
chan.on('join', onJoining);
|
||
chan.on('leave', onLeaving);
|
||
|
||
// FIXME don't subscribe to the channel implicitly
|
||
getChannelMessagesSince(channel, data, keys);
|
||
};
|
||
network.join(data.channel).then(onOpen, function (err) {
|
||
console.error(err);
|
||
});
|
||
network.on('reconnect', function () {
|
||
if (channel && channel.stopped) { return; }
|
||
if (!channels[data.channel]) { return; }
|
||
network.join(data.channel).then(onOpen, function (err) {
|
||
console.error(err);
|
||
});
|
||
});
|
||
};
|
||
|
||
messenger.getFriendList = function (cb) {
|
||
var friends = proxy.friends;
|
||
if (!friends) { return void cb(void 0, []); }
|
||
|
||
cb(void 0, Object.keys(proxy.friends).filter(function (k) {
|
||
return k !== 'me';
|
||
}));
|
||
};
|
||
|
||
var sendMessage = function (id, payload, cb) {
|
||
var channel = getChannel(id);
|
||
if (!channel) { return void cb({error: 'NO_CHANNEL'}); }
|
||
if (channel.readOnly) { return void cb({error: 'FORBIDDEN'}); }
|
||
if (!network.webChannels.some(function (wc) {
|
||
if (wc.id === channel.wc.id) { return true; }
|
||
})) {
|
||
return void cb({error: 'NO_SUCH_CHANNEL'});
|
||
}
|
||
|
||
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(channel, cryptMsg);
|
||
cb();
|
||
}, function (err) {
|
||
cb({error: err});
|
||
});
|
||
};
|
||
|
||
var getStatus = function (chanId, cb) {
|
||
// Display green status if one member is not me
|
||
var channel = getChannel(chanId);
|
||
if (!channel) { return void cb('NO_SUCH_CHANNEL'); }
|
||
var online = channel.userList.some(function (nId) {
|
||
var data = channel.mapId[nId] || undefined;
|
||
if (!data) { return false; }
|
||
return data.curvePublic !== proxy.curvePublic;
|
||
});
|
||
cb(online);
|
||
};
|
||
|
||
var getMyInfo = function (cb) {
|
||
cb({
|
||
curvePublic: proxy.curvePublic,
|
||
displayName: proxy[Constants.displayNameKey]
|
||
});
|
||
};
|
||
|
||
var loadFriend = function (friend, cb) {
|
||
var channel = friend.channel;
|
||
if (getChannel(channel)) { return void cb(); }
|
||
|
||
joining[channel] = cb;
|
||
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
|
||
};
|
||
openChannel(data);
|
||
};
|
||
|
||
// Friend added in our contacts in the current worker
|
||
messenger.onFriendAdded = function (friendData) {
|
||
if (!allowFriendsChannels) { return; }
|
||
var friend = friends[friendData.curvePublic];
|
||
if (typeof(friend) !== 'object') { return; }
|
||
var channel = friend.channel;
|
||
if (!channel) { return; }
|
||
loadFriend(friend, function () {
|
||
emit('FRIEND', {
|
||
curvePublic: friend.curvePublic,
|
||
});
|
||
});
|
||
};
|
||
messenger.onFriendRemoved = function (curvePublic, chanId) {
|
||
var channel = channels[chanId];
|
||
if (!channel) { return; }
|
||
if (channel.wc) {
|
||
channel.wc.leave(Types.unfriend);
|
||
}
|
||
delete channels[channel.id];
|
||
emit('UNFRIEND', {
|
||
curvePublic: curvePublic,
|
||
fromMe: true
|
||
});
|
||
};
|
||
|
||
var ready = false;
|
||
var initialized = false;
|
||
var init = function () {
|
||
allowFriendsChannels = true;
|
||
if (initialized) { return; }
|
||
initialized = true;
|
||
var friends = getFriendList(proxy);
|
||
|
||
nThen(function (waitFor) {
|
||
Object.keys(friends).forEach(function (key) {
|
||
if (key === 'me') { return; }
|
||
var friend = clone(friends[key]);
|
||
if (typeof(friend) !== 'object') { return; }
|
||
var channel = friend.channel;
|
||
if (!channel) { return; }
|
||
loadFriend(friend, waitFor());
|
||
});
|
||
// TODO load rooms
|
||
}).nThen(function () {
|
||
ready = true;
|
||
emit('READY');
|
||
});
|
||
};
|
||
//init();
|
||
|
||
var getRooms = function (data, cb) {
|
||
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 = getChannel(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
|
||
}]);
|
||
}
|
||
|
||
if (data && data.padChat) {
|
||
var pCChannel = getChannel(data.padChat);
|
||
if (!pCChannel) { return void cb({error: 'NO_SUCH_CHANNEL'}); }
|
||
return void cb([{
|
||
id: pCChannel.id,
|
||
isPadChat: true,
|
||
messages: pCChannel.messages
|
||
}]);
|
||
}
|
||
|
||
var rooms = Object.keys(channels).map(function (id) {
|
||
var r = getChannel(id);
|
||
var name, lastKnownHash, curvePublic;
|
||
if (r.isFriendChat) {
|
||
var friend = getFriendFromChannel(id);
|
||
if (!friend) { return null; }
|
||
name = friend.displayName;
|
||
lastKnownHash = friend.lastKnownHash;
|
||
curvePublic = friend.curvePublic;
|
||
} else if (r.isPadChat) {
|
||
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);
|
||
};
|
||
|
||
var getUserList = function (data, cb) {
|
||
var room = getChannel(data.id);
|
||
if (!room) { return void cb({error: 'NO_SUCH_CHANNEL'}); }
|
||
if (room.isFriendChat) {
|
||
var friend = getFriendFromChannel(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 validateKeys = {};
|
||
messenger.storeValidateKey = function (chan, key) {
|
||
validateKeys[chan] = key;
|
||
};
|
||
|
||
var openPadChat = function (data, cb) {
|
||
var channel = data.channel;
|
||
if (getChannel(channel)) {
|
||
emit('PADCHAT_READY', channel);
|
||
return void 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) || 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);
|
||
},
|
||
//lastKnownHash: friend.lastKnownHash,
|
||
//owners: [proxy.edPublic, friend.edPublic],
|
||
//isFriendChat: true
|
||
};
|
||
openChannel(chanData);
|
||
joining[channel] = function () {
|
||
emit('PADCHAT_READY', channel);
|
||
};
|
||
cb();
|
||
};
|
||
|
||
var clearOwnedChannel = function (id, cb) {
|
||
var channel = getChannel(id);
|
||
if (!channel) { return void cb({error: 'NO_CHANNEL'}); }
|
||
if (!store.rpc) { return void cb({error: 'RPC_NOT_READY'}); }
|
||
store.rpc.clearOwnedChannel(id, function (err) {
|
||
cb({error:err});
|
||
});
|
||
channel.messages = [];
|
||
};
|
||
|
||
network.on('disconnect', function () {
|
||
emit('DISCONNECT');
|
||
});
|
||
network.on('reconnect', function () {
|
||
emit('RECONNECT');
|
||
});
|
||
|
||
messenger.leavePad = function (padChan) {
|
||
// Leave chat and prevent reconnect when we leave a pad
|
||
delete validateKeys[padChan];
|
||
Object.keys(channels).some(function (chatChan) {
|
||
var channel = channels[chatChan];
|
||
if (channel.padChan !== padChan) { return; }
|
||
if (channel.wc) { channel.wc.leave(); }
|
||
channel.stopped = true;
|
||
delete channels[chatChan];
|
||
return true;
|
||
});
|
||
};
|
||
|
||
messenger.execCommand = function (obj, cb) {
|
||
var cmd = obj.cmd;
|
||
var data = obj.data;
|
||
if (cmd === 'INIT_FRIENDS') {
|
||
init();
|
||
return void cb();
|
||
}
|
||
if (cmd === 'IS_READY') {
|
||
return void cb(ready);
|
||
}
|
||
if (cmd === 'GET_ROOMS') {
|
||
return void getRooms(data, cb);
|
||
}
|
||
if (cmd === 'GET_USERLIST') {
|
||
return void getUserList(data, cb);
|
||
}
|
||
if (cmd === 'OPEN_PAD_CHAT') {
|
||
return void openPadChat(data, cb);
|
||
}
|
||
if (cmd === 'GET_MY_INFO') {
|
||
return void getMyInfo(cb);
|
||
}
|
||
if (cmd === 'REMOVE_FRIEND') {
|
||
return void removeFriend(data, cb);
|
||
}
|
||
if (cmd === 'GET_STATUS') {
|
||
return void getStatus(data, cb);
|
||
}
|
||
if (cmd === 'GET_MORE_HISTORY') {
|
||
return void getMoreHistory(data.id, data.sig, data.count, cb);
|
||
}
|
||
if (cmd === 'SEND_MESSAGE') {
|
||
return void sendMessage(data.id, data.content, cb);
|
||
}
|
||
if (cmd === 'SET_CHANNEL_HEAD') {
|
||
return void setChannelHead(data.id, data.sig, cb);
|
||
}
|
||
if (cmd === 'CLEAR_OWNED_CHANNEL') {
|
||
return void clearOwnedChannel(data, cb);
|
||
}
|
||
};
|
||
|
||
Object.freeze(messenger);
|
||
|
||
return messenger;
|
||
};
|
||
|
||
return Msg;
|
||
});
|