pad.pub0.org/node/server.js

134 lines
3.8 KiB
JavaScript

/**
* 2011 Peter 'Pita' Martischka
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
require('joose');
//var http = require('http')
//var url = require('url')
var socketio = require('socket.io')
var settings = require('./settings')
var db = require('./db')
var async = require('async');
var express = require('express');
var path = require('path');
var serverName = "Etherpad-Lite ( http://j.mp/ep-lite )";
async.waterfall([
//initalize the database
function (callback)
{
db.init(callback);
},
//initalize the http server
function (callback)
{
//create server
var app = express.createServer();
//set logging
if(settings.logHTTP)
app.use(express.logger({ format: ':date: :status, :method :url' }));
//serve static files
app.get('/static/*', function(req, res)
{
res.header("Server", serverName);
var filePath = path.normalize(__dirname + "/.." + req.url);
res.sendfile(filePath, { maxAge: 1000*60*60 });
});
//serve pad.html under /p
app.get('/p/:pad', function(req, res)
{
res.header("Server", serverName);
var filePath = path.normalize(__dirname + "/../static/pad.html");
res.sendfile(filePath, { maxAge: 1000*60*60 });
});
//serve index.html under /
app.get('/', function(req, res)
{
res.header("Server", serverName);
var filePath = path.normalize(__dirname + "/../static/index.html");
res.sendfile(filePath, { maxAge: 1000*60*60 });
});
//serve robots.txt
app.get('/robots.txt', function(req, res)
{
res.header("Server", serverName);
var filePath = path.normalize(__dirname + "/../static/robots.txt");
res.sendfile(filePath, { maxAge: 1000*60*60 });
});
//serve favicon.ico
app.get('/favicon.ico', function(req, res)
{
res.header("Server", serverName);
var filePath = path.normalize(__dirname + "/../static/favicon.ico");
res.sendfile(filePath, { maxAge: 1000*60*60 });
});
//redirect the newpad requests
app.get('/newpad', function(req, res)
{
res.header("Server", serverName);
res.redirect('/p/' + randomPadName());
});
//let the server listen
app.listen(settings.port);
console.log("Server is listening at port " + settings.port);
//init socket.io and redirect all requests to the MessageHandler
var io = socketio.listen(app);
var messageHandler = require("./MessageHandler");
messageHandler.setSocketIO(io);
io.on('connection', function(client){
try{
messageHandler.handleConnect(client);
}catch(e){errorlog(e);}
client.on('message', function(message){
try{
messageHandler.handleMessage(client, message);
}catch(e){errorlog(e);}
});
client.on('disconnect', function(){
try{
messageHandler.handleDisconnect(client);
}catch(e){errorlog(e);}
});
});
callback(null);
}
]);
function randomPadName()
{
var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
var string_length = 10;
var randomstring = '';
for (var i=0; i<string_length; i++) {
var rnum = Math.floor(Math.random() * chars.length);
randomstring += chars.substring(rnum,rnum+1);
}
return randomstring;
}