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var settings = require('../../utils/Settings');
var socketio = require('socket.io');
var socketIORouter = require("../../handler/SocketIORouter");
var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks");
var webaccess = require("ep_etherpad-lite/node/hooks/express/webaccess");
var padMessageHandler = require("../../handler/PadMessageHandler");
var cookieParser = require('cookie-parser');
var sessionModule = require('express-session');
exports.expressCreateServer = function (hook_name, args, cb) {
//init socket.io and redirect all requests to the MessageHandler
// there shouldn't be a browser that isn't compatible to all
// transports in this list at once
// e.g. XHR is disabled in IE by default, so in IE it should use jsonp-polling
var io = socketio({
transports: settings.socketTransportProtocols
}).listen(args.server);
/* Require an express session cookie to be present, and load the
* session. See http://www.danielbaulig.de/socket-ioexpress for more
* info */
var cookieParserFn = cookieParser(webaccess.secret, {});
io.use(function(socket, accept) {
var data = socket.request;
// Use a setting if we want to allow load Testing
if(!data.headers.cookie && settings.loadTest){
accept(null, true);
}else{
if (!data.headers.cookie) return accept('No session cookie transmitted.', false);
}
cookieParserFn(data, {}, function(err){
if(err) {
console.error(err);
accept("Couldn't parse request cookies. ", false);
return;
}
data.sessionID = data.signedCookies.express_sid;
args.app.sessionStore.get(data.sessionID, function (err, session) {
if (err || !session) return accept('Bad session / session has expired', false);
data.session = new sessionModule.Session(data, session);
accept(null, true);
});
});
});
// var socketIOLogger = log4js.getLogger("socket.io");
// Debug logging now has to be set at an environment level, this is stupid.
// https://github.com/Automattic/socket.io/wiki/Migrating-to-1.0
// This debug logging environment is set in Settings.js
//minify socket.io javascript
// Due to a shitty decision by the SocketIO team minification is
// no longer available, details available at:
// http://stackoverflow.com/questions/23981741/minify-socket-io-socket-io-js-with-1-0
// if(settings.minify) io.enable('browser client minification');
//Initalize the Socket.IO Router
socketIORouter.setSocketIO(io);
socketIORouter.addComponent("pad", padMessageHandler);
hooks.callAll("socketio", {"app": args.app, "io": io, "server": args.server});
}
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