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; });