From be428000a5dd8081113323131cbc5af837a15e05 Mon Sep 17 00:00:00 2001 From: Holger Levsen Date: Fri, 4 Aug 2017 09:44:48 -0400 Subject: copied from ../2016-11-30-Profitbricks without any changes yet Signed-off-by: Holger Levsen --- .../2017-08-07-DebConf17/plugin/multiplex/index.js | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 userContent/presentations/2017-08-07-DebConf17/plugin/multiplex/index.js (limited to 'userContent/presentations/2017-08-07-DebConf17/plugin/multiplex/index.js') diff --git a/userContent/presentations/2017-08-07-DebConf17/plugin/multiplex/index.js b/userContent/presentations/2017-08-07-DebConf17/plugin/multiplex/index.js new file mode 100644 index 00000000..40c1661c --- /dev/null +++ b/userContent/presentations/2017-08-07-DebConf17/plugin/multiplex/index.js @@ -0,0 +1,56 @@ +var http = require('http'); +var express = require('express'); +var fs = require('fs'); +var io = require('socket.io'); +var crypto = require('crypto'); + +var app = express(); +var staticDir = express.static; +var server = http.createServer(app); + +io = io(server); + +var opts = { + port: process.env.PORT || 1948, + baseDir : __dirname + '/../../' +}; + +io.on( 'connection', function( socket ) { + socket.on('multiplex-statechanged', function(data) { + if (typeof data.secret == 'undefined' || data.secret == null || data.secret === '') return; + if (createHash(data.secret) === data.socketId) { + data.secret = null; + socket.broadcast.emit(data.socketId, data); + }; + }); +}); + +[ 'css', 'js', 'plugin', 'lib' ].forEach(function(dir) { + app.use('/' + dir, staticDir(opts.baseDir + dir)); +}); + +app.get("/", function(req, res) { + res.writeHead(200, {'Content-Type': 'text/html'}); + fs.createReadStream(opts.baseDir + '/index.html').pipe(res); +}); + +app.get("/token", function(req,res) { + var ts = new Date().getTime(); + var rand = Math.floor(Math.random()*9999999); + var secret = ts.toString() + rand.toString(); + res.send({secret: secret, socketId: createHash(secret)}); +}); + +var createHash = function(secret) { + var cipher = crypto.createCipher('blowfish', secret); + return(cipher.final('hex')); +}; + +// Actually listen +server.listen( opts.port || null ); + +var brown = '\033[33m', + green = '\033[32m', + reset = '\033[0m'; + +console.log( brown + "reveal.js:" + reset + " Multiplex running on port " + green + opts.port + reset ); \ No newline at end of file -- cgit v1.2.3-70-g09d2