Merge branch 'side-channel'
This commit is contained in:
tigerbot
commit
c9f2c52afd
28
handlers.js
28
handlers.js
|
|
@ -2,7 +2,7 @@
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|||
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var http = require('http');
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var tls = require('tls');
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var packerStream = require('tunnel-packer').Stream;
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var wrapSocket = require('tunnel-packer').wrapSocket;
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var redirectHttps = require('redirect-https')();
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module.exports.create = function (program) {
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@ -57,19 +57,8 @@ module.exports.create = function (program) {
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// tlsServer.emit('connection', socket); // this didn't work either
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//console.log('chunkLen', firstChunk.byteLength);
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var myDuplex = packerStream.create(socket);
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console.log('httpsInvalid servername', servername);
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program.tlsInvalidSniServer.emit('connection', myDuplex);
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socket.on('data', function (chunk) {
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console.log('[' + Date.now() + '] socket data', chunk.byteLength);
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myDuplex.push(chunk);
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});
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socket.on('error', function (err) {
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console.error('[error] httpsInvalid TODO close');
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console.error(err);
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});
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program.tlsInvalidSniServer.emit('connection', wrapSocket(socket));
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};
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//
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@ -97,18 +86,7 @@ module.exports.create = function (program) {
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// tlsServer.emit('connection', socket); // this didn't work either
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//console.log('chunkLen', firstChunk.byteLength);
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var myDuplex = packerStream.create(socket);
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console.log('httpsTunnel (Admin) servername', servername);
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program.tlsTunnelServer.emit('connection', myDuplex);
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socket.on('data', function (chunk) {
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console.log('[' + Date.now() + '] socket data', chunk.byteLength);
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myDuplex.push(chunk);
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});
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socket.on('error', function (err) {
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console.error('[error] httpsTunnel (Admin) TODO close');
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console.error(err);
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});
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program.tlsTunnelServer.emit('connection', wrapSocket(socket));
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};
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};
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@ -46,14 +46,15 @@
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},
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"homepage": "https://github.com/Daplie/node-tunnel-server#readme",
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"dependencies": {
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"bluebird": "^3.5.0",
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"cluster-store": "^2.0.4",
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"commander": "^2.9.0",
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"greenlock": "^2.1.12",
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"jsonwebtoken": "^7.1.9",
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"localhost.daplie.me-certificates": "^1.3.0",
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"localhost.daplie.me-certificates": "^1.3.3",
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"redirect-https": "^1.1.0",
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"sni": "^1.0.0",
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"tunnel-packer": "^1.0.0",
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"tunnel-packer": "^1.3.0",
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"ws": "^2.2.3"
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}
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}
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427
wstunneld.js
427
wstunneld.js
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@ -2,31 +2,56 @@
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var sni = require('sni');
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var url = require('url');
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var PromiseA = require('bluebird');
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var jwt = require('jsonwebtoken');
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var packer = require('tunnel-packer');
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function timeoutPromise(duration) {
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return new PromiseA(function (resolve) {
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setTimeout(resolve, duration);
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});
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}
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var Devices = {};
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Devices.add = function (store, servername, newDevice) {
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var devices = Devices.list(store, servername);
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var devices = store[servername] || [];
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devices.push(newDevice);
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store[servername] = devices;
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};
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Devices.remove = function (store, servername, device) {
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var devices = Devices.list(store, servername);
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var devices = store[servername] || [];
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var index = devices.indexOf(device);
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if (index < 0) {
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var id = device.deviceId || device.servername || device.id;
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console.warn('attempted to remove non-present device', id, 'from', servername);
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console.warn('attempted to remove non-present device', device.deviceId, 'from', servername);
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return null;
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}
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return devices.splice(index, 1)[0];
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};
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Devices.list = function (store, servername) {
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return store[servername] || [];
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if (store[servername] && store[servername].length) {
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return store[servername];
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}
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// There wasn't an exact match so check any of the wildcard domains, sorted longest
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// first so the one with the biggest natural match with be found first.
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var deviceList = [];
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Object.keys(store).filter(function (pattern) {
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return pattern[0] === '*' && store[pattern].length;
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}).sort(function (a, b) {
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return b.length - a.length;
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}).some(function (pattern) {
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var subPiece = pattern.slice(1);
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if (subPiece === servername.slice(-subPiece.length)) {
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console.log('"'+servername+'" matches "'+pattern+'"');
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deviceList = store[pattern];
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return true;
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}
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});
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return deviceList;
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};
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Devices.exist = function (store, servername) {
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return (store[servername] || []).length;
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return !!(Devices.list(store, servername).length);
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};
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Devices.next = function (store, servername) {
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var devices = Devices.list(store, servername);
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@ -48,48 +73,69 @@ module.exports.create = function (copts) {
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var pongTimeout = copts.pongTimeout || 10*1000;
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function onWsConnection(ws) {
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var location = url.parse(ws.upgradeReq.url, true);
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var authn = (ws.upgradeReq.headers.authorization||'').split(/\s+/);
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var jwtoken;
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var token;
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var socketId = packer.socketToId(ws.upgradeReq.socket);
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var remotes = {};
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try {
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if (authn[0]) {
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if ('basic' === authn[0].toLowerCase()) {
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authn = new Buffer(authn[1], 'base64').toString('ascii').split(':');
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}
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/*
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if (-1 !== [ 'bearer', 'jwk' ].indexOf(authn[0].toLowerCase())) {
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jwtoken = authn[1];
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}
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*/
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}
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jwtoken = authn[1] || location.query.access_token;
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} catch(e) {
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jwtoken = null;
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function logName() {
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var result = Object.keys(remotes).map(function (jwtoken) {
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return remotes[jwtoken].deviceId;
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}).join(';');
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return result || socketId;
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}
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try {
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token = jwt.verify(jwtoken, copts.secret);
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} catch(e) {
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token = null;
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function closeBrowserConn(cid) {
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var remote;
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Object.keys(remotes).some(function (jwtoken) {
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if (remotes[jwtoken].clients[cid]) {
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remote = remotes[jwtoken];
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return true;
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}
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/*
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if (!token || !token.name) {
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console.log('location, token');
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console.log(location.query.access_token);
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console.log(token);
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}
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*/
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if (!token) {
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ws.send(JSON.stringify({ error: { message: "invalid access token", code: "E_INVALID_TOKEN" } }));
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ws.close();
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});
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if (!remote) {
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return;
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}
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//console.log('[wstunneld.js] DEBUG', token);
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PromiseA.resolve()
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.then(function () {
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remote.clients[cid].end();
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return timeoutPromise(500);
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})
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.then(function () {
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if (remote.clients[cid]) {
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console.warn(cid, 'browser connection still present after calling `end`');
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remote.clients[cid].destroy();
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return timeoutPromise(500);
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}
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})
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.then(function () {
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if (remote.clients[cid]) {
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console.error(cid, 'browser connection still present after calling `destroy`');
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delete remote.clients[cid];
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}
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})
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.catch(function (err) {
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console.warn('failed to close browser connection', cid, err);
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})
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;
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}
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function addToken(jwtoken) {
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if (remotes[jwtoken]) {
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// return { message: "token sent multiple times", code: "E_TOKEN_REPEAT" };
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return null;
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}
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var token;
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try {
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token = jwt.verify(jwtoken, copts.secret);
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} catch (e) {
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token = null;
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}
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if (!token) {
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return { message: "invalid access token", code: "E_INVALID_TOKEN" };
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}
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if (!Array.isArray(token.domains)) {
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if ('string' === typeof token.name) {
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|
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@ -97,72 +143,156 @@ module.exports.create = function (copts) {
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}
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}
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if (!Array.isArray(token.domains)) {
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ws.send(JSON.stringify({ error: { message: "invalid server name", code: "E_INVALID_NAME" } }));
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if (!Array.isArray(token.domains) || !token.domains.length) {
|
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return { message: "invalid server name", code: "E_INVALID_NAME" };
|
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}
|
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if (token.domains.some(function (name) { return typeof name !== 'string'; })) {
|
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return { message: "invalid server name", code: "E_INVALID_NAME" };
|
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}
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// Add the custom properties we need to manage this remote, then add it to all the relevant
|
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// domains and the list of all this websocket's remotes.
|
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token.deviceId = (token.device && (token.device.id || token.device.hostname)) || token.domains.join(',');
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token.ws = ws;
|
||||
token.clients = {};
|
||||
|
||||
token.domains.forEach(function (domainname) {
|
||||
console.log('domainname', domainname);
|
||||
Devices.add(deviceLists, domainname, token);
|
||||
});
|
||||
remotes[jwtoken] = token;
|
||||
console.log("added token '" + token.deviceId + "' to websocket", socketId);
|
||||
return null;
|
||||
}
|
||||
|
||||
function removeToken(jwtoken) {
|
||||
var remote = remotes[jwtoken];
|
||||
if (!remote) {
|
||||
return { message: 'specified token not present', code: 'E_INVALID_TOKEN'};
|
||||
}
|
||||
|
||||
// Prevent any more browser connections being sent to this remote, and any existing
|
||||
// connections from trying to send more data across the connection.
|
||||
remote.domains.forEach(function (domainname) {
|
||||
Devices.remove(deviceLists, domainname, remote);
|
||||
});
|
||||
remote.ws = null;
|
||||
|
||||
// Close all of the existing browser connections associated with this websocket connection.
|
||||
Object.keys(remote.clients).forEach(function (cid) {
|
||||
closeBrowserConn(cid);
|
||||
});
|
||||
delete remotes[jwtoken];
|
||||
console.log("removed token '" + remote.deviceId + "' from websocket", socketId);
|
||||
return null;
|
||||
}
|
||||
|
||||
var firstToken;
|
||||
var authn = (ws.upgradeReq.headers.authorization||'').split(/\s+/);
|
||||
if (authn[0] && 'basic' === authn[0].toLowerCase()) {
|
||||
try {
|
||||
authn = new Buffer(authn[1], 'base64').toString('ascii').split(':');
|
||||
firstToken = authn[1];
|
||||
} catch (err) { }
|
||||
}
|
||||
if (!firstToken) {
|
||||
firstToken = url.parse(ws.upgradeReq.url, true).query.access_token;
|
||||
}
|
||||
if (firstToken) {
|
||||
var err = addToken(firstToken);
|
||||
if (err) {
|
||||
ws.send(packer.pack(null, [0, err], 'control'));
|
||||
ws.close();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
var remote = {};
|
||||
remote.ws = ws;
|
||||
remote.servername = (token.device && token.device.hostname) || token.domains.join(',');
|
||||
remote.deviceId = (token.device && token.device.id) || null;
|
||||
remote.id = packer.socketToId(ws.upgradeReq.socket);
|
||||
console.log("remote.id", remote.id);
|
||||
remote.domains = token.domains;
|
||||
remote.clients = {};
|
||||
// TODO allow tls to be decrypted by server if client is actually a browser
|
||||
// and we haven't implemented tls in the browser yet
|
||||
// remote.decrypt = token.decrypt;
|
||||
var commandHandlers = {
|
||||
add_token: addToken
|
||||
, delete_token: function (token) {
|
||||
if (token !== '*') {
|
||||
return removeToken(token);
|
||||
}
|
||||
var err;
|
||||
Object.keys(remotes).some(function (jwtoken) {
|
||||
err = removeToken(jwtoken);
|
||||
return err;
|
||||
});
|
||||
return err;
|
||||
}
|
||||
};
|
||||
|
||||
var handlers = {
|
||||
onmessage: function (opts) {
|
||||
// opts.data
|
||||
var cid = packer.addrToId(opts);
|
||||
var cstream = remote.clients[cid];
|
||||
|
||||
console.log("remote '" + remote.servername + " : " + remote.id + "' has data for '" + cid + "'", opts.data.byteLength);
|
||||
|
||||
if (!cstream) {
|
||||
remote.ws.send(packer.pack(opts, null, 'error'));
|
||||
var packerHandlers = {
|
||||
oncontrol: function (opts) {
|
||||
var cmd, err;
|
||||
try {
|
||||
cmd = JSON.parse(opts.data.toString());
|
||||
} catch (err) {}
|
||||
if (!Array.isArray(cmd) || typeof cmd[0] !== 'number') {
|
||||
var msg = 'received bad command "' + opts.data.toString() + '"';
|
||||
console.warn(msg, 'from websocket', socketId);
|
||||
ws.send(packer.pack(null, [0, {message: msg, code: 'E_BAD_COMMAND'}], 'control'));
|
||||
return;
|
||||
}
|
||||
|
||||
cstream.browser.write(opts.data);
|
||||
if (cmd[0] < 0) {
|
||||
// We only ever send one command and we send it once, so we just hard coded the ID as 1.
|
||||
if (cmd[0] === -1) {
|
||||
if (cmd[1]) {
|
||||
console.log('received error response to hello from', socketId, cmd[1]);
|
||||
}
|
||||
}
|
||||
else {
|
||||
console.warn('received response to unknown command', cmd, 'from', socketId);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
if (cmd[0] === 0) {
|
||||
console.warn('received dis-associated error from', socketId, cmd[1]);
|
||||
return;
|
||||
}
|
||||
|
||||
if (commandHandlers[cmd[1]]) {
|
||||
err = commandHandlers[cmd[1]].apply(null, cmd.slice(2));
|
||||
}
|
||||
else {
|
||||
err = { message: 'unknown command "'+cmd[1]+'"', code: 'E_UNKNOWN_COMMAND' };
|
||||
}
|
||||
|
||||
ws.send(packer.pack(null, [-cmd[0], err], 'control'));
|
||||
}
|
||||
, onmessage: function (opts) {
|
||||
var cid = packer.addrToId(opts);
|
||||
console.log("remote '" + logName() + "' has data for '" + cid + "'", opts.data.byteLength);
|
||||
|
||||
var browserConn;
|
||||
Object.keys(remotes).some(function (jwtoken) {
|
||||
if (remotes[jwtoken].clients[cid]) {
|
||||
browserConn = remotes[jwtoken].clients[cid];
|
||||
return true;
|
||||
}
|
||||
});
|
||||
|
||||
if (browserConn) {
|
||||
browserConn.write(opts.data);
|
||||
}
|
||||
else {
|
||||
ws.send(packer.pack(opts, null, 'error'));
|
||||
}
|
||||
}
|
||||
, onend: function (opts) {
|
||||
var cid = packer.addrToId(opts);
|
||||
console.log('[TunnelEnd]', cid);
|
||||
handlers._onend(cid);
|
||||
closeBrowserConn(cid);
|
||||
}
|
||||
, onerror: function (opts) {
|
||||
var cid = packer.addrToId(opts);
|
||||
console.log('[TunnelError]', cid);
|
||||
handlers._onend(cid);
|
||||
}
|
||||
, _onend: function (cid) {
|
||||
var c = remote.clients[cid];
|
||||
delete remote.clients[cid];
|
||||
try {
|
||||
c.browser.end();
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
try {
|
||||
c.wrapped.end();
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
closeBrowserConn(cid);
|
||||
}
|
||||
};
|
||||
remote.unpacker = packer.create(handlers);
|
||||
|
||||
// Now that we have created our remote object we need to store it in the deviceList for
|
||||
// each domainname we are supposed to be handling.
|
||||
token.domains.forEach(function (domainname) {
|
||||
console.log('domainname', domainname);
|
||||
Devices.add(deviceLists, domainname, remote);
|
||||
});
|
||||
var unpacker = packer.create(packerHandlers);
|
||||
|
||||
var lastActivity = Date.now();
|
||||
var timeoutId;
|
||||
|
|
@ -182,11 +312,11 @@ module.exports.create = function (copts) {
|
|||
// Otherwise we check to see if the pong has also timed out, and if not we send a ping
|
||||
// and call this function again when the pong will have timed out.
|
||||
else if (silent < activityTimeout + pongTimeout) {
|
||||
console.log('pinging', remote.deviceId || remote.servername);
|
||||
console.log('pinging', logName());
|
||||
try {
|
||||
remote.ws.ping();
|
||||
ws.ping();
|
||||
} catch (err) {
|
||||
console.warn('failed to ping home cloud', remote.deviceId || remote.servername);
|
||||
console.warn('failed to ping home cloud', logName());
|
||||
}
|
||||
timeoutId = setTimeout(checkTimeout, pongTimeout);
|
||||
}
|
||||
|
|
@ -194,8 +324,8 @@ module.exports.create = function (copts) {
|
|||
// Last case means the ping we sent before didn't get a response soon enough, so we
|
||||
// need to close the websocket connection.
|
||||
else {
|
||||
console.log('home cloud', remote.deviceId || remote.servername, 'connection timed out');
|
||||
remote.ws.close(1013, 'connection timeout');
|
||||
console.log('home cloud', logName(), 'connection timed out');
|
||||
ws.close(1013, 'connection timeout');
|
||||
}
|
||||
}
|
||||
timeoutId = setTimeout(checkTimeout, activityTimeout);
|
||||
|
|
@ -208,95 +338,54 @@ module.exports.create = function (copts) {
|
|||
refreshTimeout();
|
||||
console.log('message from home cloud to tunneler to browser', chunk.byteLength);
|
||||
//console.log(chunk.toString());
|
||||
remote.unpacker.fns.addChunk(chunk);
|
||||
unpacker.fns.addChunk(chunk);
|
||||
});
|
||||
|
||||
function hangup() {
|
||||
clearTimeout(timeoutId);
|
||||
console.log('home cloud', remote.deviceId || remote.servername, 'connection closing');
|
||||
// the remote will handle closing its local connections
|
||||
Object.keys(remote.clients).forEach(function (cid) {
|
||||
try {
|
||||
remote.clients[cid].browser.end();
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
});
|
||||
token.domains.forEach(function (domainname) {
|
||||
Devices.remove(deviceLists, domainname, remote);
|
||||
console.log('home cloud', logName(), 'connection closing');
|
||||
Object.keys(remotes).forEach(function (jwtoken) {
|
||||
removeToken(jwtoken);
|
||||
});
|
||||
ws.terminate();
|
||||
}
|
||||
|
||||
ws.on('close', hangup);
|
||||
ws.on('error', hangup);
|
||||
|
||||
// We only ever send one command and we send it once, so we just hard code the ID as 1
|
||||
ws.send(packer.pack(null, [1, 'hello', [unpacker._version], Object.keys(commandHandlers)], 'control'));
|
||||
}
|
||||
|
||||
function pipeWs(servername, service, browser, remote) {
|
||||
console.log('pipeWs');
|
||||
function pipeWs(servername, service, browserConn, remote) {
|
||||
console.log('[pipeWs] servername:', servername, 'service:', service);
|
||||
|
||||
//var remote = deviceLists[servername];
|
||||
var ws = remote.ws;
|
||||
//var address = packer.socketToAddr(ws.upgradeReq.socket);
|
||||
var baddress = packer.socketToAddr(browser);
|
||||
var cid = packer.addrToId(baddress);
|
||||
console.log('servername:', servername);
|
||||
console.log('service:', service);
|
||||
baddress.service = service;
|
||||
var wrapForRemote = packer.Transform.create({
|
||||
id: cid
|
||||
//, remoteId: remote.id
|
||||
, address: baddress
|
||||
, servername: servername
|
||||
, service: service
|
||||
var browserAddr = packer.socketToAddr(browserConn);
|
||||
browserAddr.service = service;
|
||||
var cid = packer.addrToId(browserAddr);
|
||||
console.log('[pipeWs] browser is', cid, 'home-cloud is', packer.socketToId(remote.ws.upgradeReq.socket));
|
||||
|
||||
function sendWs(data, serviceOverride) {
|
||||
if (remote.ws) {
|
||||
try {
|
||||
remote.ws.send(packer.pack(browserAddr, data, serviceOverride), { binary: true });
|
||||
} catch (err) {
|
||||
console.warn('[pipeWs] error sending websocket message', err);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
remote.clients[cid] = browserConn;
|
||||
browserConn.on('data', function (chunk) {
|
||||
console.log('[pipeWs] data from browser to tunneler', chunk.byteLength);
|
||||
sendWs(chunk);
|
||||
});
|
||||
console.log('home-cloud is', packer.socketToId(remote.ws.upgradeReq.socket));
|
||||
console.log('browser is', cid);
|
||||
var bstream = remote.clients[cid] = {
|
||||
wrapped: browser.pipe(wrapForRemote)
|
||||
, browser: browser
|
||||
, address: baddress
|
||||
};
|
||||
//var bstream = remote.clients[cid] = wrapForRemote.pipe(browser);
|
||||
bstream.wrapped.on('data', function (pchunk) {
|
||||
// var chunk = socket.read();
|
||||
console.log('[bstream] data from browser to tunneler', pchunk.byteLength);
|
||||
//console.log(JSON.stringify(pchunk.toString()));
|
||||
try {
|
||||
ws.send(pchunk, { binary: true });
|
||||
} catch(e) {
|
||||
try {
|
||||
bstream.browser.end();
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
}
|
||||
browserConn.on('error', function (err) {
|
||||
console.warn('[pipeWs] browser connection error', err);
|
||||
});
|
||||
bstream.wrapped.on('error', function (err) {
|
||||
console.error('[error] bstream.wrapped.error');
|
||||
console.error(err);
|
||||
try {
|
||||
ws.send(packer.pack(baddress, null, 'error'), { binary: true });
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
try {
|
||||
bstream.browser.end();
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
delete remote.clients[cid];
|
||||
});
|
||||
bstream.wrapped.on('end', function () {
|
||||
try {
|
||||
ws.send(packer.pack(baddress, null, 'end'), { binary: true });
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
try {
|
||||
bstream.browser.end();
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
browserConn.on('close', function (hadErr) {
|
||||
console.log('[pipeWs] browser connection closing');
|
||||
sendWs(null, hadErr ? 'error': 'end');
|
||||
delete remote.clients[cid];
|
||||
});
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue