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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 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.app);
/* 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);
data.cookie = connect.utils.parseCookie(data.headers.cookie);
data.sessionID = data.cookie.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);
});
});
// the following has been successfully tested with the following browsers
// works also behind reverse proxy
// Firefox 14.0.1
// IE8 with Native XMLHTTP support
// IE8 without Native XMLHTTP support
// Chrome 21.0.1180.79
io.set('transports', ['jsonp-polling']);
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});
}
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