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var log4js = require('log4js');
var socketio = require('socket.io');
var settings = require('../../utils/Settings');
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 connect = require('connect');
exports.expressCreateServer = function (hook_name, args, cb) {
//init socket.io and redirect all requests to the MessageHandler
var io = socketio.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 */
io.set('authorization', function (data, accept) {
if (!data.headers.cookie) return accept('No session cookie transmitted.', false);
// Use connect's cookie parser, because it knows how to parse signed cookies
connect.cookieParser(webaccess.secret)(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 connect.middleware.session.Session(data, session);
accept(null, true);
});
});
});
// 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
io.set('transports', ['xhr-polling', 'jsonp-polling', 'htmlfile']);
var socketIOLogger = log4js.getLogger("socket.io");
io.set('logger', {
debug: function (str)
{
socketIOLogger.debug.apply(socketIOLogger, arguments);
},
info: function (str)
{
socketIOLogger.info.apply(socketIOLogger, arguments);
},
warn: function (str)
{
socketIOLogger.warn.apply(socketIOLogger, arguments);
},
error: function (str)
{
socketIOLogger.error.apply(socketIOLogger, arguments);
},
});
//minify socket.io javascript
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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