diff --git a/www/assert/main.js b/www/assert/main.js index 56cc29116..e88e13fd1 100644 --- a/www/assert/main.js +++ b/www/assert/main.js @@ -5,10 +5,11 @@ define([ '/drive/tests.js', '/common/test.js', '/common/common-hash.js', + '/common/common-util.js', '/common/common-thumbnail.js', '/common/wire.js', '/common/flat-dom.js', -], function ($, Hyperjson, Sortify, Drive, Test, Hash, Thumb, Wire, Flat) { +], function ($, Hyperjson, Sortify, Drive, Test, Hash, Util, Thumb, Wire, Flat) { window.Hyperjson = Hyperjson; window.Sortify = Sortify; @@ -248,9 +249,13 @@ define([ } }; - var respond; + + var evt = Util.mkEvent(); + var respond = function (e, out) { + evt.fire(e, out); + }; cb(void 0, { - send: function (raw, cb) { + send: function (raw /*, cb */) { try { var parsed = JSON.parse(raw); var txid = parsed.txid; @@ -267,7 +272,7 @@ define([ } catch (e) { console.error("PEWPEW"); } }, receive: function (f) { - respond = f; + evt.reg(f); }, }); }, diff --git a/www/common/common-messenger2.js b/www/common/common-messenger2.js new file mode 100644 index 000000000..be9a68972 --- /dev/null +++ b/www/common/common-messenger2.js @@ -0,0 +1,754 @@ +define([ + 'jquery', + '/bower_components/chainpad-crypto/crypto.js', + '/common/curve.js', + '/common/common-hash.js', + '/bower_components/chainpad-listmap/chainpad-listmap.js', +], function ($, Crypto, Curve, Hash, Listmap) { + 'use strict'; + var Msg = { + inputs: [], + }; + + var Types = { + message: 'MSG', + update: 'UPDATE', + unfriend: 'UNFRIEND', + mapId: 'MAP_ID', + mapIdAck: 'MAP_ID_ACK' + }; + + var clone = function (o) { + return JSON.parse(JSON.stringify(o)); + }; + + // TODO + // - mute a channel (hide notifications or don't open it?) + var createData = Msg.createData = function (proxy, hash) { + return { + channel: hash || Hash.createChannelId(), + displayName: proxy['cryptpad.username'], + profile: proxy.profile && proxy.profile.view, + edPublic: proxy.edPublic, + curvePublic: proxy.curvePublic, + avatar: proxy.profile && proxy.profile.avatar + }; + }; + + 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 eachFriend = function (friends, cb) { + Object.keys(friends).forEach(function (id) { + if (id === 'me') { return; } + cb(friends[id], id, friends); + }); + }; + + Msg.getFriendChannelsList = function (proxy) { + var list = []; + eachFriend(proxy, function (friend) { + list.push(friend.channel); + }); + return list; + }; + + var msgAlreadyKnown = function (channel, sig) { + return channel.messages.some(function (message) { + return message[0] === sig; + }); + }; + + Msg.messenger = function (common) { + var messenger = { + handlers: { + message: [], + join: [], + leave: [], + update: [], + friend: [], + unfriend: [], + }, + range_requests: {}, + }; + + var eachHandler = function (type, g) { + messenger.handlers[type].forEach(g); + }; + + messenger.on = function (type, f) { + var stack = messenger.handlers[type]; + if (!Array.isArray(stack)) { + return void console.error('unsupported message type'); + } + if (typeof(f) !== 'function') { + return void console.error('expected function'); + } + stack.push(f); + }; + + var channels = messenger.channels = {}; + + var joining = {}; + + // declare common variables + var network = common.getNetwork(); + var proxy = common.getProxy(); + var realtime = common.getRealtime(); + Msg.hk = network.historyKeeper; + var friends = getFriendList(proxy); + + var getChannel = function (curvePublic) { + var friend = friends[curvePublic]; + if (!friend) { return; } + var chanId = friend.channel; + if (!chanId) { return; } + return channels[chanId]; + }; + + var initRangeRequest = function (txid, curvePublic, sig, cb) { + messenger.range_requests[txid] = { + messages: [], + cb: cb, + curvePublic: curvePublic, + sig: sig, + }; + }; + + var getRangeRequest = function (txid) { + return messenger.range_requests[txid]; + }; + + var deleteRangeRequest = function (txid) { + delete messenger.range_requests[txid]; + }; + + messenger.getMoreHistory = function (curvePublic, hash, count, cb) { + if (typeof(cb) !== 'function') { return; } + + if (typeof(hash) !== 'string') { + // FIXME hash is not necessarily defined. + // What does this mean? + console.error("not sure what to do here"); + return; + } + + var chan = getChannel(curvePublic); + if (typeof(chan) === 'undefined') { + console.error("chan is undefined. we're going to have a problem here"); + return; + } + + var txid = common.uid(); + initRangeRequest(txid, curvePublic, hash, cb); + var msg = [ 'GET_HISTORY_RANGE', chan.id, { + from: hash, + count: count, + txid: txid, + } + ]; + + network.sendto(network.historyKeeper, JSON.stringify(msg)).then(function () { + }, function (err) { + throw new Error(err); + }); + }; + + var getCurveForChannel = function (id) { + var channel = channels[id]; + if (!channel) { return; } + return channel.curve; + }; + + messenger.getChannelHead = function (curvePublic, cb) { + var friend = friends[curvePublic]; + if (!friend) { return void cb('NO_SUCH_FRIEND'); } + cb(void 0, friend.lastKnownHash); + }; + + messenger.setChannelHead = function (curvePublic, hash, cb) { + var friend = friends[curvePublic]; + if (!friend) { return void cb('NO_SUCH_FRIEND'); } + friend.lastKnownHash = hash; + cb(); + }; + + // Id message allows us to map a netfluxId with a public curve key + var onIdMessage = function (msg, sender) { + var channel; + var isId = Object.keys(channels).some(function (chanId) { + if (channels[chanId].userList.indexOf(sender) !== -1) { + channel = channels[chanId]; + return true; + } + }); + + if (!isId) { return; } + + var decryptedMsg = channel.encryptor.decrypt(msg); + + if (decryptedMsg === null) { + return void console.error("Failed to decrypt message"); + } + + if (!decryptedMsg) { + console.error('decrypted message was falsey but not null'); + return; + } + + var parsed; + try { + parsed = JSON.parse(decryptedMsg); + } catch (e) { + console.error(decryptedMsg); + return; + } + 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]; + eachHandler('join', function (f) { + f(parsed[1], channel.id); + }); + + if (parsed[0] !== Types.mapId) { return; } // Don't send your key if it's already an ACK + // Answer with your own key + var rMsg = [Types.mapIdAck, proxy.curvePublic, channel.wc.myID]; + var rMsgStr = JSON.stringify(rMsg); + var cryptMsg = channel.encryptor.encrypt(rMsgStr); + network.sendto(sender, cryptMsg); + }; + + var orderMessages = function (curvePublic, new_messages /*, sig */) { + var channel = getChannel(curvePublic); + var messages = channel.messages; + + // TODO improve performance, guarantee correct ordering + new_messages.reverse().forEach(function (msg) { + messages.unshift(msg); + }); + }; + + var removeFromFriendList = function (curvePublic, cb) { + if (!proxy.friends) { return; } + var friends = proxy.friends; + delete friends[curvePublic]; + common.whenRealtimeSyncs(realtime, cb); + }; + + var pushMsg = function (channel, cryptMsg) { + var msg = channel.encryptor.decrypt(cryptMsg); + var sig = cryptMsg.slice(0, 64); + if (msgAlreadyKnown(channel, sig)) { return; } + + var parsedMsg = JSON.parse(msg); + var curvePublic; + if (parsedMsg[0] === Types.message) { + // TODO validate messages here + var res = { + type: parsedMsg[0], + sig: sig, + author: parsedMsg[1], + time: parsedMsg[2], + text: parsedMsg[3], + // this makes debugging a whole lot easier + curve: getCurveForChannel(channel.id), + }; + + channel.messages.push(res); + eachHandler('message', function (f) { + f(res); + }); + + return true; + } + if (parsedMsg[0] === Types.update) { + if (parsedMsg[1] === proxy.curvePublic) { return; } + curvePublic = parsedMsg[1]; + var newdata = parsedMsg[3]; + var data = getFriend(proxy, parsedMsg[1]); + var types = []; + Object.keys(newdata).forEach(function (k) { + if (data[k] !== newdata[k]) { + types.push(k); + data[k] = newdata[k]; + } + }); + + eachHandler('update', function (f) { + f(clone(newdata), curvePublic); + }); + return; + } + if (parsedMsg[0] === Types.unfriend) { + curvePublic = parsedMsg[1]; + delete friends[curvePublic]; + + removeFromFriendList(parsedMsg[1], function () { + channel.wc.leave(Types.unfriend); + eachHandler('unfriend', function (f) { + f(curvePublic); + }); + }); + 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'); + } + + + var msg = [Types.update, myData.curvePublic, +new Date(), myData]; + var msgStr = JSON.stringify(msg); + var cryptMsg = channel.encryptor.encrypt(msgStr); + channel.wc.bcast(cryptMsg).then(function () { + // TODO send event + //channel.refresh(); + }, function (err) { + console.error(err); + }); + }); + eachHandler('update', function (f) { + f(myData, myData.curvePublic); + }); + friends.me = myData; + } + }; + + 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 (common, 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 (type === 'HISTORY_RANGE') { + req.messages.push(parsed[2]); + } else if (type === 'HISTORY_RANGE_END') { + // process all the messages (decrypt) + var curvePublic = req.curvePublic; + var channel = getChannel(curvePublic); + + var decrypted = req.messages.map(function (msg) { + if (msg[2] !== 'MSG') { return; } + try { + return { + d: JSON.parse(channel.encryptor.decrypt(msg[4])), + sig: msg[4].slice(0, 64), + }; + } catch (e) { + console.log('failed to decrypt'); + return null; + } + }).filter(function (decrypted) { + 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], + curve: curvePublic, + }; + }); + + orderMessages(curvePublic, decrypted, req.sig); + req.cb(void 0, decrypted); + return deleteRangeRequest(txid); + } else { + console.log(parsed); + } + return; + } + + if ((parsed.validateKey || parsed.owners) && parsed.channel) { + return; + } + if (parsed.state && parsed.state === 1 && parsed.channel) { + if (channels[parsed.channel]) { + // parsed.channel is Ready + // channel[parsed.channel].ready(); + channels[parsed.channel].ready = true; + onChannelReady(parsed.channel); + var updateTypes = channels[parsed.channel].updateOnReady; + if (updateTypes) { + + //channels[parsed.channel].updateUI(updateTypes); + } + } + return; + } + 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(); + // TODO emit message event + } + }; + + // listen for messages... + network.on('message', function(msg, sender) { + onDirectMessage(common, msg, sender); + }); + + messenger.removeFriend = function (curvePublic, 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; + } + + var channel = channels[data.channel]; + if (!channel) { + return void cb("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.encryptor.encrypt(msgStr); + + // TODO emit remove_friend event? + try { + channel.wc.bcast(cryptMsg).then(function () { + delete friends[curvePublic]; + delete channels[curvePublic]; + common.whenRealtimeSyncs(realtime, function () { + cb(); + }); + }, function (err) { + console.error(err); + cb(err); + }); + } catch (e) { + cb(e); + } + }; + + var getChannelMessagesSince = function (chan, data, keys) { + console.log('Fetching [%s] messages since [%s]', data.curvePublic, data.lastKnownHash || ''); + var cfg = { + validateKey: keys.validateKey, + owners: [proxy.edPublic, data.edPublic], + lastKnownHash: data.lastKnownHash + }; + var msg = ['GET_HISTORY', chan.id, cfg]; + network.sendto(network.historyKeeper, JSON.stringify(msg)) + .then($.noop, function (err) { + throw new Error(err); + }); + }; + + var openFriendChannel = function (data, f) { + var keys = Curve.deriveKeys(data.curvePublic, proxy.curvePrivate); + var encryptor = Curve.createEncryptor(keys); + network.join(data.channel).then(function (chan) { + var channel = channels[data.channel] = { + id: data.channel, + sending: false, + friendEd: f, + keys: keys, + curve: data.curvePublic, + encryptor: encryptor, + messages: [], + wc: chan, + userList: [], + mapId: {}, + send: function (payload, cb) { + if (!network.webChannels.some(function (wc) { + if (wc.id === channel.wc.id) { return true; } + })) { + return void cb('NO_SUCH_CHANNEL'); + } + + var msg = [Types.message, proxy.curvePublic, +new Date(), payload]; + var msgStr = JSON.stringify(msg); + var cryptMsg = channel.encryptor.encrypt(msgStr); + + channel.wc.bcast(cryptMsg).then(function () { + pushMsg(channel, cryptMsg); + cb(); + }, function (err) { + cb(err); + }); + } + }; + chan.on('message', function (msg, sender) { + onMessage(msg, sender, chan); + }); + + var onJoining = function (peer) { + if (peer === Msg.hk) { return; } + if (channel.userList.indexOf(peer) !== -1) { return; } + + channel.userList.push(peer); + var msg = [Types.mapId, proxy.curvePublic, chan.myID]; + var msgStr = JSON.stringify(msg); + var cryptMsg = channel.encryptor.encrypt(msgStr); + network.sendto(peer, cryptMsg); + }; + 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', function (peer) { + var curvePublic = channel.mapId[peer]; + var i = channel.userList.indexOf(peer); + while (i !== -1) { + channel.userList.splice(i, 1); + i = channel.userList.indexOf(peer); + } + // update status + if (!curvePublic) { return; } + eachHandler('leave', function (f) { + f(curvePublic, channel.id); + }); + }); + + // FIXME don't subscribe to the channel implicitly + getChannelMessagesSince(chan, data, keys); + }, 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'; + })); + }; + + messenger.openFriendChannel = function (curvePublic, cb) { + if (typeof(curvePublic) !== 'string') { return void cb('INVALID_ID'); } + if (typeof(cb) !== 'function') { throw new Error('expected callback'); } + + var friend = clone(friends[curvePublic]); + if (typeof(friend) !== 'object') { + return void cb('NO_FRIEND_DATA'); + } + var channel = friend.channel; + if (!channel) { return void cb('E_NO_CHANNEL'); } + joining[channel] = cb; + openFriendChannel(friend, curvePublic); + }; + + messenger.sendMessage = function (curvePublic, payload, cb) { + var channel = getChannel(curvePublic); + if (!channel) { return void cb('NO_CHANNEL'); } + if (!network.webChannels.some(function (wc) { + if (wc.id === channel.wc.id) { return true; } + })) { + return void cb('NO_SUCH_CHANNEL'); + } + + var msg = [Types.message, proxy.curvePublic, +new Date(), payload]; + var msgStr = JSON.stringify(msg); + var cryptMsg = channel.encryptor.encrypt(msgStr); + + channel.wc.bcast(cryptMsg).then(function () { + pushMsg(channel, cryptMsg); + cb(); + }, function (err) { + cb(err); + }); + }; + + messenger.getStatus = function (curvePublic, cb) { + var channel = getChannel(curvePublic); + if (!channel) { return void cb('NO_SUCH_CHANNEL'); } + var online = channel.userList.some(function (nId) { + return channel.mapId[nId] === curvePublic; + }); + cb(void 0, online); + }; + + messenger.getFriendInfo = function (curvePublic, cb) { + setTimeout(function () { + var friend = friends[curvePublic]; + if (!friend) { return void cb('NO_SUCH_FRIEND'); } + // this clone will be redundant when ui uses postmessage + cb(void 0, clone(friend)); + }); + }; + + messenger.getMyInfo = function (cb) { + cb(void 0, { + curvePublic: proxy.curvePublic, + displayName: common.getDisplayName(), + }); + }; + + // TODO listen for changes to your friend list + // emit 'update' events for clients + + //var update = function (curvePublic + proxy.on('change', ['friends'], function (o, n, p) { + var curvePublic; + if (o === undefined) { + // new friend added + curvePublic = p.slice(-1)[0]; + eachHandler('friend', function (f) { + f(curvePublic, clone(n)); + }); + return; + } + + console.error(o, n, p); + }).on('remove', ['friends'], function (o, p) { + eachHandler('unfriend', function (f) { + f(p[1]); // TODO + }); + }); + + Object.freeze(messenger); + + return messenger; + }; + + // createInvite(theirPublicKey, function (e, data) { /* data.url */ }); + window.createInvitation = Msg.createInvitation = function (common, theirPublic, cb) { + +// theirPublic 'DHpRgRclYEvKdZO2gnN8bUyf6A4mEo8RmUGlGi9ChGo=' + + var proxy = common.getProxy(); + var myPublic = proxy.curvePublic; + + var mySecret = proxy.curvePrivate; + var keys = Curve.deriveKeys(theirPublic, mySecret); + var encryptor = Curve.createEncryptor(keys); + + var channel = common.createChannelId(); + + // create a channel encrypted with your curve private and their curvePublic + // TODO support 'owners'. You should be able to delete the channel. + var ListmapConfig = { + data: {}, + network: common.getNetwork(), + channel: channel, + readOnly: false, + validateKey: keys.validateKey, + crypto: encryptor, + username: 'invite-author', + logLevel: 1, + }; + + var lm = Listmap.create(ListmapConfig); + + var inviteProxy = lm.proxy; + inviteProxy.on('create', function () { + console.log('created'); + }) + .on('ready', function () { + /* do your stuff ... + then, once everything is synchronized, abort */ + + // a random channel + var destinationChannel = common.createChannelId(); + + // store all of the information necessary for them to become your friend + var myData = createData(proxy, destinationChannel); + Object.keys(myData).forEach(function (k) { + inviteProxy[k] = myData[k]; + }); + + //console.log(inviteProxy); + var urlSafeChannel = common.hexToBase64(destinationChannel); + var urlSafePublic = myPublic.replace(/\//g, '-'); + + var res = { + url: '/invite/#/1/' + urlSafeChannel + '/' + urlSafePublic + '/', + }; + +// "/invite/#/1/ilrOtygzDVoUSRpOOJrUuQ/e8jvf36S3chzkkcaMrLSW7PPrz7VDp85lIFNI26dTmr=/" + cb(void 0, res); + +/* + * add their key to your 'friends' object as a pending request? + * create a read-only link to that channel cb(void 0, { url: HERE }) + * /invite/#/1/invite/channel/yourCurvePublicKey +*/ + +/* UI + * copy link to clipboard + * instruct user to send that link to the other user out-of-band +*/ + + }) + .on('disconnect', function () { + }) + .on('change', [], function (/*o, n, p*/) { + + }); + }; + + return Msg; +}); diff --git a/www/common/wire.js b/www/common/wire.js index e0a3530b2..c4b59cfae 100644 --- a/www/common/wire.js +++ b/www/common/wire.js @@ -82,7 +82,7 @@ opt = { var cb = pending[txid]; if (data.error) { return void cb(data.error); } cb(void 0, data.content); - } catch (e) { console.error("UNHANDLED_MESSAGE", data); } + } catch (e) { console.error("UNHANDLED_MESSAGE", raw); } }); cb(void 0, rpc);