275 lines
8 KiB
JavaScript
275 lines
8 KiB
JavaScript
/**
|
|
* This module is started with bin/run.sh. It sets up a Express HTTP and a Socket.IO Server.
|
|
* Static file Requests are answered directly from this module, Socket.IO messages are passed
|
|
* to MessageHandler and minfied requests are passed to minified.
|
|
*/
|
|
|
|
/*
|
|
* 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 socketio = require('socket.io');
|
|
var fs = require('fs');
|
|
var settings = require('./settings');
|
|
var socketIORouter = require("./SocketIORouter");
|
|
var db = require('./db');
|
|
var async = require('async');
|
|
var express = require('express');
|
|
var path = require('path');
|
|
var minify = require('./minify');
|
|
var exportHandler;
|
|
var exporthtml;
|
|
var readOnlyManager;
|
|
|
|
//try to get the git version
|
|
var version = "";
|
|
try
|
|
{
|
|
var ref = fs.readFileSync("../.git/HEAD", "utf-8");
|
|
var refPath = "../.git/" + ref.substring(5, ref.indexOf("\n"));
|
|
version = fs.readFileSync(refPath, "utf-8");
|
|
version = version.substring(0, 8);
|
|
}
|
|
catch(e)
|
|
{
|
|
console.error("Can't get git version for server header\n" + e.message)
|
|
}
|
|
|
|
var serverName = "Etherpad-Lite " + version + " (http://j.mp/ep-lite)";
|
|
|
|
//cache a week
|
|
exports.maxAge = 1000*60*60*6;
|
|
|
|
async.waterfall([
|
|
//initalize the database
|
|
function (callback)
|
|
{
|
|
db.init(callback);
|
|
},
|
|
//initalize the http server
|
|
function (callback)
|
|
{
|
|
//create server
|
|
var app = express.createServer();
|
|
|
|
//load modules that needs a initalized db
|
|
readOnlyManager = require("./ReadOnlyManager");
|
|
exporthtml = require("./exporters/exporthtml");
|
|
exportHandler = require('./ExportHandler');
|
|
|
|
//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.split("?")[0]);
|
|
res.sendfile(filePath, { maxAge: exports.maxAge });
|
|
});
|
|
|
|
//if minified is disabled, we need to server the static files under /p/static too
|
|
//it looks like dynamic script loading works only for subfolders, thats the reason we're doing this
|
|
if(settings.minify == false)
|
|
{
|
|
//serve static files
|
|
app.get('/p/static/*', function(req, res)
|
|
{
|
|
res.header("Server", serverName);
|
|
var filePath = path.normalize(__dirname + "/.." + req.url.split("?")[0].replace("p/",""));
|
|
console.error(filePath);
|
|
res.sendfile(filePath, { maxAge: exports.maxAge });
|
|
});
|
|
}
|
|
|
|
//serve minified files
|
|
app.get('/minified/:id', function(req, res)
|
|
{
|
|
res.header("Server", serverName);
|
|
|
|
var id = req.params.id;
|
|
|
|
if(id == "pad.js")
|
|
{
|
|
minify.padJS(req,res);
|
|
}
|
|
else
|
|
{
|
|
res.send('404 - Not Found', 404);
|
|
}
|
|
});
|
|
|
|
//serve read only pad
|
|
app.get('/ro/:id', function(req, res)
|
|
{
|
|
res.header("Server", serverName);
|
|
|
|
var html;
|
|
var padId;
|
|
var pad;
|
|
|
|
async.series([
|
|
//translate the read only pad to a padId
|
|
function(callback)
|
|
{
|
|
readOnlyManager.getPadId(req.params.id, function(err, _padId)
|
|
{
|
|
padId = _padId;
|
|
callback(err);
|
|
});
|
|
},
|
|
//render the html document
|
|
function(callback)
|
|
{
|
|
//return if the there is no padId
|
|
if(padId == null)
|
|
{
|
|
callback("notfound");
|
|
return;
|
|
}
|
|
|
|
//render the html document
|
|
exporthtml.getPadHTMLDocument(padId, null, false, function(err, _html)
|
|
{
|
|
html = _html;
|
|
callback(err);
|
|
});
|
|
}
|
|
], function(err)
|
|
{
|
|
//throw any unexpected error
|
|
if(err && err != "notfound")
|
|
throw err;
|
|
|
|
if(err == "notfound")
|
|
res.send('404 - Not Found', 404);
|
|
else
|
|
res.send(html);
|
|
});
|
|
});
|
|
|
|
//serve pad.html under /p
|
|
app.get('/p/:pad', function(req, res, next)
|
|
{
|
|
//ensure the padname is valid and the url doesn't end with a /
|
|
if(!isValidPadname(req.params.pad) || /\/$/.test(req.url))
|
|
{
|
|
next();
|
|
return;
|
|
}
|
|
|
|
res.header("Server", serverName);
|
|
var filePath = path.normalize(__dirname + "/../static/pad.html");
|
|
res.sendfile(filePath, { maxAge: exports.maxAge });
|
|
});
|
|
|
|
//serve timeslider.html under /p/$padname/timeslider
|
|
app.get('/p/:pad/timeslider', function(req, res, next)
|
|
{
|
|
//ensure the padname is valid and the url doesn't end with a /
|
|
if(!isValidPadname(req.params.pad) || /\/$/.test(req.url))
|
|
{
|
|
next();
|
|
return;
|
|
}
|
|
|
|
res.header("Server", serverName);
|
|
var filePath = path.normalize(__dirname + "/../static/timeslider.html");
|
|
res.sendfile(filePath, { maxAge: exports.maxAge });
|
|
});
|
|
|
|
//serve timeslider.html under /p/$padname/timeslider
|
|
app.get('/p/:pad/export/:type', function(req, res, next)
|
|
{
|
|
var types = ["pdf", "doc", "txt", "html", "odt"];
|
|
//send a 404 if we don't support this filetype
|
|
if(types.indexOf(req.params.type) == -1)
|
|
{
|
|
next();
|
|
return;
|
|
}
|
|
|
|
//if abiword is disabled, and this is a format we only support with abiword, output a message
|
|
if(settings.abiword == null && req.params.type != "html" && req.params.type != "txt" )
|
|
{
|
|
res.send("Abiword is not enabled at this Etherpad Lite instance. Set the path to Abiword in settings.json to enable this feature");
|
|
return;
|
|
}
|
|
|
|
res.header("Server", serverName);
|
|
exportHandler.doExport(req, res, req.params.pad, req.params.type);
|
|
});
|
|
|
|
//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: exports.maxAge });
|
|
});
|
|
|
|
//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: exports.maxAge });
|
|
});
|
|
|
|
//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: exports.maxAge });
|
|
});
|
|
|
|
//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);
|
|
|
|
//this is only a workaround to ensure it works with all browers behind a proxy
|
|
//we should remove this when the new socket.io version is more stable
|
|
io.set('transports', ['xhr-polling']);
|
|
|
|
//reduce the log level
|
|
io.set('log level', 2);
|
|
|
|
var padMessageHandler = require("./PadMessageHandler");
|
|
var timesliderMessageHandler = require("./TimesliderMessageHandler");
|
|
|
|
//Initalize the Socket.IO Router
|
|
socketIORouter.setSocketIO(io);
|
|
socketIORouter.addComponent("pad", padMessageHandler);
|
|
socketIORouter.addComponent("timeslider", timesliderMessageHandler);
|
|
|
|
callback(null);
|
|
}
|
|
]);
|
|
|
|
function isValidPadname(padname)
|
|
{
|
|
//ensure there is no dollar sign in the pad name
|
|
if(padname.indexOf("$")!=-1)
|
|
return false;
|
|
|
|
return true;
|
|
}
|