Fixing client side require, the minify code is completly unused now, very ugly solution

This commit is contained in:
Peter 'Pita' Martischka 2012-03-04 23:45:33 +01:00
parent 8b5925440a
commit 7b518eeb2d
4 changed files with 249 additions and 786 deletions

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@ -1,500 +0,0 @@
/**
* 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 (Primary Technology Ltd)
*
* 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.
*/
var ERR = require("async-stacktrace");
var log4js = require('log4js');
var os = require("os");
var socketio = require('socket.io');
var fs = require('fs');
var settings = require('./utils/Settings');
var db = require('./db/DB');
var async = require('async');
var express = require('express');
var path = require('path');
var minify = require('./utils/Minify');
var CachingMiddleware = require('./utils/caching_middleware');
var Yajsml = require('yajsml');
var formidable = require('formidable');
var apiHandler;
var exportHandler;
var importHandler;
var exporthtml;
var readOnlyManager;
var padManager;
var securityManager;
var socketIORouter;
//try to get the git version
var version = "";
try
{
var rootPath = path.normalize(__dirname + "/../")
var ref = fs.readFileSync(rootPath + ".git/HEAD", "utf-8");
var refPath = rootPath + ".git/" + ref.substring(5, ref.indexOf("\n"));
version = fs.readFileSync(refPath, "utf-8");
version = version.substring(0, 7);
console.log("Your Etherpad Lite git version is " + version);
}
catch(e)
{
console.warn("Can't get git version for server header\n" + e.message)
}
console.log("Report bugs at https://github.com/Pita/etherpad-lite/issues")
var serverName = "Etherpad-Lite " + version + " (http://j.mp/ep-lite)";
exports.maxAge = settings.maxAge;
//set loglevel
log4js.setGlobalLogLevel(settings.loglevel);
async.waterfall([
//initalize the database
function (callback)
{
db.init(callback);
},
//initalize the http server
function (callback)
{
//create server
var app = express.createServer();
app.use(function (req, res, next) {
res.header("Server", serverName);
next();
});
//redirects browser to the pad's sanitized url if needed. otherwise, renders the html
app.param('pad', function (req, res, next, padId) {
//ensure the padname is valid and the url doesn't end with a /
if(!padManager.isValidPadId(padId) || /\/$/.test(req.url))
{
res.send('Such a padname is forbidden', 404);
}
else
{
padManager.sanitizePadId(padId, function(sanitizedPadId) {
//the pad id was sanitized, so we redirect to the sanitized version
if(sanitizedPadId != padId)
{
var real_path = req.path.replace(/^\/p\/[^\/]+/, './' + sanitizedPadId);
res.header('Location', real_path);
res.send('You should be redirected to <a href="' + real_path + '">' + real_path + '</a>', 302);
}
//the pad id was fine, so just render it
else
{
next();
}
});
}
});
//load modules that needs a initalized db
readOnlyManager = require("./db/ReadOnlyManager");
exporthtml = require("./utils/ExportHtml");
exportHandler = require('./handler/ExportHandler');
importHandler = require('./handler/ImportHandler');
apiHandler = require('./handler/APIHandler');
padManager = require('./db/PadManager');
securityManager = require('./db/SecurityManager');
socketIORouter = require("./handler/SocketIORouter");
//install logging
var httpLogger = log4js.getLogger("http");
app.configure(function()
{
// Activate http basic auth if it has been defined in settings.json
if(settings.httpAuth != null) app.use(basic_auth);
// If the log level specified in the config file is WARN or ERROR the application server never starts listening to requests as reported in issue #158.
// Not installing the log4js connect logger when the log level has a higher severity than INFO since it would not log at that level anyway.
if (!(settings.loglevel === "WARN" || settings.loglevel == "ERROR"))
app.use(log4js.connectLogger(httpLogger, { level: log4js.levels.INFO, format: ':status, :method :url'}));
app.use(express.cookieParser());
});
app.error(function(err, req, res, next){
res.send(500);
console.error(err.stack ? err.stack : err.toString());
gracefulShutdown();
});
// Cache both minified and static.
var assetCache = new CachingMiddleware;
app.all('/(minified|static)/*', assetCache.handle);
// Minify will serve static files compressed (minify enabled). It also has
// file-specific hacks for ace/require-kernel/etc.
app.all('/static/:filename(*)', minify.minify);
// Setup middleware that will package JavaScript files served by minify for
// CommonJS loader on the client-side.
var jsServer = new (Yajsml.Server)({
rootPath: 'minified/'
, rootURI: 'http://localhost:' + settings.port + '/static/js/'
});
var StaticAssociator = Yajsml.associators.StaticAssociator;
var associations =
Yajsml.associators.associationsForSimpleMapping(minify.tar);
var associator = new StaticAssociator(associations);
jsServer.setAssociator(associator);
app.use(jsServer);
//checks for padAccess
function hasPadAccess(req, res, callback)
{
securityManager.checkAccess(req.params.pad, req.cookies.sessionid, req.cookies.token, req.cookies.password, function(err, accessObj)
{
if(ERR(err, callback)) return;
//there is access, continue
if(accessObj.accessStatus == "grant")
{
callback();
}
//no access
else
{
res.send("403 - Can't touch this", 403);
}
});
}
//checks for basic http auth
function basic_auth (req, res, next) {
if (req.headers.authorization && req.headers.authorization.search('Basic ') === 0) {
// fetch login and password
if (new Buffer(req.headers.authorization.split(' ')[1], 'base64').toString() == settings.httpAuth) {
next();
return;
}
}
res.header('WWW-Authenticate', 'Basic realm="Protected Area"');
if (req.headers.authorization) {
setTimeout(function () {
res.send('Authentication required', 401);
}, 1000);
} else {
res.send('Authentication required', 401);
}
}
//serve read only pad
app.get('/ro/:id', function(req, res)
{
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)
{
if(ERR(err, callback)) return;
padId = _padId;
//we need that to tell hasPadAcess about the pad
req.params.pad = padId;
callback();
});
},
//render the html document
function(callback)
{
//return if the there is no padId
if(padId == null)
{
callback("notfound");
return;
}
hasPadAccess(req, res, function()
{
//render the html document
exporthtml.getPadHTMLDocument(padId, null, false, function(err, _html)
{
if(ERR(err, callback)) return;
html = _html;
callback();
});
});
}
], function(err)
{
//throw any unexpected error
if(err && err != "notfound")
ERR(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)
{
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)
{
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/:rev?/export/:type', function(req, res, next)
{
var types = ["pdf", "doc", "txt", "html", "odt", "dokuwiki"];
//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 &&
["odt", "pdf", "doc"].indexOf(req.params.type) !== -1)
{
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("Access-Control-Allow-Origin", "*");
hasPadAccess(req, res, function()
{
exportHandler.doExport(req, res, req.params.pad, req.params.type);
});
});
//handle import requests
app.post('/p/:pad/import', function(req, res, next)
{
//if abiword is disabled, skip handling this request
if(settings.abiword == null)
{
next();
return;
}
hasPadAccess(req, res, function()
{
importHandler.doImport(req, res, req.params.pad);
});
});
var apiLogger = log4js.getLogger("API");
//This is for making an api call, collecting all post information and passing it to the apiHandler
var apiCaller = function(req, res, fields)
{
res.header("Content-Type", "application/json; charset=utf-8");
apiLogger.info("REQUEST, " + req.params.func + ", " + JSON.stringify(fields));
//wrap the send function so we can log the response
res._send = res.send;
res.send = function(response)
{
response = JSON.stringify(response);
apiLogger.info("RESPONSE, " + req.params.func + ", " + response);
//is this a jsonp call, if yes, add the function call
if(req.query.jsonp)
response = req.query.jsonp + "(" + response + ")";
res._send(response);
}
//call the api handler
apiHandler.handle(req.params.func, fields, req, res);
}
//This is a api GET call, collect all post informations and pass it to the apiHandler
app.get('/api/1/:func', function(req, res)
{
apiCaller(req, res, req.query)
});
//This is a api POST call, collect all post informations and pass it to the apiHandler
app.post('/api/1/:func', function(req, res)
{
new formidable.IncomingForm().parse(req, function(err, fields, files)
{
apiCaller(req, res, fields)
});
});
//The Etherpad client side sends information about how a disconnect happen
app.post('/ep/pad/connection-diagnostic-info', function(req, res)
{
new formidable.IncomingForm().parse(req, function(err, fields, files)
{
console.log("DIAGNOSTIC-INFO: " + fields.diagnosticInfo);
res.end("OK");
});
});
//The Etherpad client side sends information about client side javscript errors
app.post('/jserror', function(req, res)
{
new formidable.IncomingForm().parse(req, function(err, fields, files)
{
console.error("CLIENT SIDE JAVASCRIPT ERROR: " + fields.errorInfo);
res.end("OK");
});
});
//serve index.html under /
app.get('/', function(req, res)
{
var filePath = path.normalize(__dirname + "/../static/index.html");
res.sendfile(filePath, { maxAge: exports.maxAge });
});
//serve robots.txt
app.get('/robots.txt', function(req, res)
{
var filePath = path.normalize(__dirname + "/../static/robots.txt");
res.sendfile(filePath, { maxAge: exports.maxAge });
});
//serve favicon.ico
app.get('/favicon.ico', function(req, res)
{
var filePath = path.normalize(__dirname + "/../static/custom/favicon.ico");
res.sendfile(filePath, { maxAge: exports.maxAge }, function(err)
{
//there is no custom favicon, send the default favicon
if(err)
{
filePath = path.normalize(__dirname + "/../static/favicon.ico");
res.sendfile(filePath, { maxAge: exports.maxAge });
}
});
});
//let the server listen
app.listen(settings.port, settings.ip);
console.log("Server is listening at " + settings.ip + ":" + settings.port);
var onShutdown = false;
var gracefulShutdown = function(err)
{
if(err && err.stack)
{
console.error(err.stack);
}
else if(err)
{
console.error(err);
}
//ensure there is only one graceful shutdown running
if(onShutdown) return;
onShutdown = true;
console.log("graceful shutdown...");
//stop the http server
app.close();
//do the db shutdown
db.db.doShutdown(function()
{
console.log("db sucessfully closed.");
process.exit(0);
});
setTimeout(function(){
process.exit(1);
}, 3000);
}
//connect graceful shutdown with sigint and uncaughtexception
if(os.type().indexOf("Windows") == -1)
{
//sigint is so far not working on windows
//https://github.com/joyent/node/issues/1553
process.on('SIGINT', gracefulShutdown);
}
process.on('uncaughtException', gracefulShutdown);
//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']);
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');
var padMessageHandler = require("./handler/PadMessageHandler");
var timesliderMessageHandler = require("./handler/TimesliderMessageHandler");
//Initalize the Socket.IO Router
socketIORouter.setSocketIO(io);
socketIORouter.addComponent("pad", padMessageHandler);
socketIORouter.addComponent("timeslider", timesliderMessageHandler);
callback(null);
}
]);

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@ -1,15 +1,60 @@
var path = require('path');
var minify = require('../../utils/Minify');
var plugins = require("ep_etherpad-lite/static/js/pluginfw/plugins");
var CachingMiddleware = require('../../utils/caching_middleware');
var settings = require("../../utils/Settings");
var Yajsml = require('yajsml');
var fs = require("fs");
var ERR = require("async-stacktrace");
exports.expressCreateServer = function (hook_name, args, cb) {
//serve static files
args.app.get('/static/js/require-kernel.js', function (req, res, next) {
res.header("Content-Type","application/javascript; charset: utf-8");
res.write(minify.requireDefinition()); // + "\n require.setLibraryURI('/plugins'); ");
res.end();
/* Handle static files for plugins:
paths like "/static/plugins/ep_myplugin/js/test.js"
are rewritten into ROOT_PATH_OF_MYPLUGIN/static/js/test.js,
commonly ETHERPAD_ROOT/node_modules/ep_myplugin/static/js/test.js
*/
args.app.get(/^\/minified\/plugins\/([^\/]+)\/static\/(.*)/, function(req, res, next) {
var plugin_name = req.params[0];
var modulePath = req.url.split("?")[0].substr("/minified/plugins/".length);
var fullPath = require.resolve(modulePath);
if (plugins.plugins[plugin_name] == undefined) {
return next();
}
fs.readFile(fullPath, "utf8", function(err, data){
if(ERR(err)) return;
res.send("require.define('" + modulePath + "', function (require, exports, module) {" + data + "})");
})
//require.define("/plugins.js", function (require, exports, module) {
//res.sendfile(fullPath);
});
// Cache both minified and static.
var assetCache = new CachingMiddleware;
args.app.all('/(minified|static)/*', assetCache.handle);
// Minify will serve static files compressed (minify enabled). It also has
// file-specific hacks for ace/require-kernel/etc.
args.app.all('/static/:filename(*)', minify.minify);
// Setup middleware that will package JavaScript files served by minify for
// CommonJS loader on the client-side.
var jsServer = new (Yajsml.Server)({
rootPath: 'minified/'
, rootURI: 'http://localhost:' + settings.port + '/static/js/'
});
var StaticAssociator = Yajsml.associators.StaticAssociator;
var associations =
Yajsml.associators.associationsForSimpleMapping(minify.tar);
var associator = new StaticAssociator(associations);
jsServer.setAssociator(associator);
args.app.use(jsServer);
// serve plugin definitions
// not very static, but served here so that client can do require("pluginfw/static/js/plugin-definitions.js");
args.app.get('/pluginfw/plugin-definitions.json', function (req, res, next) {
@ -17,30 +62,4 @@ exports.expressCreateServer = function (hook_name, args, cb) {
res.write(JSON.stringify({"plugins": plugins.plugins, "parts": plugins.parts}));
res.end();
});
/* Handle static files for plugins:
paths like "/static/plugins/ep_myplugin/js/test.js"
are rewritten into ROOT_PATH_OF_MYPLUGIN/static/js/test.js,
commonly ETHERPAD_ROOT/node_modules/ep_myplugin/static/js/test.js
*/
args.app.get(/^\/plugins\/([^\/]+)\/static\/(.*)/, function(req, res, next) {
var plugin_name = req.params[0];
var url = req.params[1].replace(/\.\./g, '').split("?")[0];
if (plugins.plugins[plugin_name] == undefined) {
return next();
}
var filePath = path.normalize(path.join(plugins.plugins[plugin_name].package.path, "static", url));
res.sendfile(filePath, { maxAge: exports.maxAge });
});
// Handle normal static files
args.app.get('/static/*', function(req, res) {
var filePath = path.normalize(__dirname + "/../../.." +
req.url.replace(/\.\./g, '').split("?")[0]);
res.sendfile(filePath, { maxAge: exports.maxAge });
});
}

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@ -27,63 +27,182 @@ var cleanCSS = require('clean-css');
var jsp = require("uglify-js").parser;
var pro = require("uglify-js").uglify;
var path = require('path');
var Buffer = require('buffer').Buffer;
var zlib = require('zlib');
var RequireKernel = require('require-kernel');
var server = require('../server');
var os = require('os');
var ROOT_DIR = path.normalize(__dirname + "/../" );
var JS_DIR = ROOT_DIR + '../static/js/';
var CSS_DIR = ROOT_DIR + '../static/css/';
var CACHE_DIR = path.join(settings.root, 'var');
var ROOT_DIR = path.normalize(__dirname + "/../../static/");
var TAR_PATH = path.join(__dirname, 'tar.json');
var tar = JSON.parse(fs.readFileSync(TAR_PATH, 'utf8'));
// Rewrite tar to include modules with no extensions and proper rooted paths.
exports.tar = {};
for (var key in tar) {
exports.tar['/' + key] =
tar[key].map(function (p) {return '/' + p}).concat(
tar[key].map(function (p) {return '/' + p.replace(/\.js$/, '')})
);
}
/**
* creates the minifed javascript for the given minified name
* @param req the Express request
* @param res the Express response
*/
exports.minifyJS = function(req, res, next)
exports.minify = function(req, res, next)
{
var jsFilename = req.params[0];
var filename = req.params['filename'];
//choose the js files we need
var jsFiles = undefined;
if (Object.prototype.hasOwnProperty.call(tar, jsFilename)) {
jsFiles = tar[jsFilename];
// No relative paths, especially if they may go up the file hierarchy.
filename = path.normalize(path.join(ROOT_DIR, filename));
if (filename.indexOf(ROOT_DIR) == 0) {
filename = filename.slice(ROOT_DIR.length);
filename = filename.replace(/\\/g, '/'); // Windows (safe generally?)
} else {
/* Not in tar list, but try anyways, if it fails, pass to `next`.
Actually try, not check in filesystem here because
we don't want to duplicate the require.resolve() handling
*/
jsFiles = [jsFilename];
res.writeHead(404, {});
res.end();
return;
}
// What content type should this be?
// TODO: This should use a MIME module.
var contentType;
if (filename.match(/\.js$/)) {
contentType = "text/javascript";
} else if (filename.match(/\.css$/)) {
contentType = "text/css";
} else if (filename.match(/\.html$/)) {
contentType = "text/html";
} else if (filename.match(/\.txt$/)) {
contentType = "text/plain";
} else if (filename.match(/\.png$/)) {
contentType = "image/png";
} else if (filename.match(/\.gif$/)) {
contentType = "image/gif";
} else if (filename.match(/\.ico$/)) {
contentType = "image/x-icon";
} else {
contentType = "application/octet-stream";
}
statFile(filename, function (error, date, exists) {
if (date) {
date = new Date(date);
res.setHeader('last-modified', date.toUTCString());
res.setHeader('date', (new Date()).toUTCString());
if (server.maxAge) {
var expiresDate = new Date((new Date()).getTime()+server.maxAge*1000);
res.setHeader('expires', expiresDate.toUTCString());
res.setHeader('cache-control', 'max-age=' + server.maxAge);
}
}
if (error) {
res.writeHead(500, {});
res.end();
} else if (!exists) {
res.writeHead(404, {});
res.end();
} else if (new Date(req.headers['if-modified-since']) >= date) {
res.writeHead(304, {});
res.end();
} else {
if (req.method == 'HEAD') {
res.header("Content-Type", contentType);
res.writeHead(200, {});
res.end();
} else if (req.method == 'GET') {
getFileCompressed(filename, contentType, function (error, content) {
if(ERR(error)) return;
res.header("Content-Type", contentType);
res.writeHead(200, {});
res.write(content);
res.end();
});
} else {
res.writeHead(405, {'allow': 'HEAD, GET'});
res.end();
}
}
_handle(req, res, jsFilename, jsFiles, function (err) {
console.log("Unable to load minified file " + jsFilename + ": " + err.toString());
/* Throw away error and generate a 404, not 500 */
next();
});
}
function _handle(req, res, jsFilename, jsFiles, next) {
res.header("Content-Type","text/javascript");
// find all includes in ace.js and embed them.
function getAceFile(callback) {
fs.readFile(ROOT_DIR + 'js/ace.js', "utf8", function(err, data) {
if(ERR(err, callback)) return;
var cacheName = CACHE_DIR + "/minified_" + jsFilename.replace(/\//g, "_");
// Find all includes in ace.js and embed them
var founds = data.match(/\$\$INCLUDE_[a-zA-Z_]+\("[^"]*"\)/gi);
if (!settings.minify) {
founds = [];
}
// Always include the require kernel.
founds.push('$$INCLUDE_JS("../static/js/require-kernel.js")');
//minifying is enabled
if(settings.minify)
{
var result = undefined;
data += ';\n';
data += 'Ace2Editor.EMBEDED = Ace2Editor.EMBEDED || {};\n';
// Request the contents of the included file on the server-side and write
// them into the file.
async.forEach(founds, function (item, callback) {
var filename = item.match(/"([^"]*)"/)[1];
var request = require('request');
var baseURI = 'http://localhost:' + settings.port
request(baseURI + path.normalize(path.join('/static/', filename)), function (error, response, body) {
if (!error && response.statusCode == 200) {
data += 'Ace2Editor.EMBEDED[' + JSON.stringify(filename) + '] = '
+ JSON.stringify(body || '') + ';\n';
} else {
// Silence?
}
callback();
});
}, function(error) {
callback(error, data);
});
});
}
// Check for the existance of the file and get the last modification date.
function statFile(filename, callback) {
if (filename == 'js/ace.js') {
// Sometimes static assets are inlined into this file, so we have to stat
// everything.
lastModifiedDateOfEverything(function (error, date) {
callback(error, date, !error);
});
} else if (filename == 'js/require-kernel.js') {
callback(null, requireLastModified(), true);
} else {
fs.stat(ROOT_DIR + filename, function (error, stats) {
if (error) {
if (error.code == "ENOENT") {
// Stat the directory instead.
fs.stat(path.dirname(ROOT_DIR + filename), function (error, stats) {
if (error) {
if (error.code == "ENOENT") {
callback(null, null, false);
} else {
callback(error);
}
} else {
callback(null, stats.mtime.getTime(), false);
}
});
} else {
callback(error);
}
} else {
callback(null, stats.mtime.getTime(), true);
}
});
}
}
function lastModifiedDateOfEverything(callback) {
var folders2check = [ROOT_DIR + 'js/', ROOT_DIR + 'css/'];
var latestModification = 0;
async.series([
//find out the highest modification date
function(callback)
{
var folders2check = [CSS_DIR, JS_DIR];
//go trough this two folders
async.forEach(folders2check, function(path, callback)
{
@ -116,227 +235,52 @@ function _handle(req, res, jsFilename, jsFiles, next) {
});
}, callback);
});
}, callback);
},
function(callback)
{
//check the modification time of the minified js
fs.stat(cacheName, function(err, stats)
{
if(err && err.code != "ENOENT")
{
ERR(err, callback);
return;
}
//there is no minfied file or there new changes since this file was generated, so continue generating this file
if((err && err.code == "ENOENT") || stats.mtime.getTime() < latestModification)
{
callback();
}
//the minified file is still up to date, stop minifying
else
{
callback("stop");
}
});
},
//load all js files
function (callback)
{
var values = [];
tarCode(
jsFiles
, function (content) {values.push(content)}
, function (err) {
if(ERR(err, next)) return;
result = values.join('');
callback();
});
},
//put all together and write it into a file
function(callback)
{
async.parallel([
//write the results plain in a file
function(callback)
{
fs.writeFile(cacheName, result, "utf8", callback);
},
//write the results compressed in a file
function(callback)
{
zlib.gzip(result, function(err, compressedResult){
//weird gzip bug that returns 0 instead of null if everything is ok
err = err === 0 ? null : err;
if(ERR(err, callback)) return;
fs.writeFile(cacheName + ".gz", compressedResult, callback);
});
}
],callback);
}
], function(err)
{
if(err && err != "stop")
{
if(ERR(err)) return;
}
//check if gzip is supported by this browser
var gzipSupport = req.header('Accept-Encoding', '').indexOf('gzip') != -1;
var pathStr;
if(gzipSupport && os.type().indexOf("Windows") == -1)
{
pathStr = path.normalize(cacheName + ".gz");
res.header('Content-Encoding', 'gzip');
}
else
{
pathStr = path.normalize(cacheName);
}
res.sendfile(pathStr, { maxAge: server.maxAge });
})
}
//minifying is disabled, so put the files together in one file
else
{
tarCode(
jsFiles
, function (content) {res.write(content)}
, function (err) {
if(ERR(err, next)) return;
res.end();
});
}
}
// find all includes in ace.js and embed them.
function getAceFile(callback) {
fs.readFile(JS_DIR + 'ace.js', "utf8", function(err, data) {
if(ERR(err, callback)) return;
// Find all includes in ace.js and embed them
var founds = data.match(/\$\$INCLUDE_[a-zA-Z_]+\([a-zA-Z0-9.\/_"-]+\)/gi);
if (!settings.minify) {
founds = [];
}
founds.push('$$INCLUDE_JS("../static/js/require-kernel.js")');
data += ';\n';
data += 'Ace2Editor.EMBEDED = Ace2Editor.EMBEDED || {};\n';
//go trough all includes
async.forEach(founds, function (item, callback) {
var filename = item.match(/"([^"]*)"/)[1];
var type = item.match(/INCLUDE_([A-Z]+)/)[1];
var shortFilename = (filename.match(/^..\/static\/js\/(.*)$/, '')||[])[1];
//read the included files
if (shortFilename) {
if (shortFilename == 'require-kernel.js') {
// the kernel isnt actually on the file system.
handleEmbed(null, requireDefinition());
} else {
var contents = '';
tarCode(tar[shortFilename] || shortFilename
, function (content) {
contents += content;
}
, function () {
handleEmbed(null, contents);
}
);
}
} else {
fs.readFile(ROOT_DIR + filename, "utf8", handleEmbed);
}
function handleEmbed(error, data_) {
if (error) {
return; // Don't bother to include it.
}
if (settings.minify) {
if (type == "JS") {
try {
data_ = compressJS([data_]);
} catch (e) {
// Ignore, include uncompresseed, which will break in browser.
}
} else {
data_ = compressCSS([data_]);
}
}
data += 'Ace2Editor.EMBEDED[' + JSON.stringify(filename) + '] = '
+ JSON.stringify(data_) + ';\n';
callback();
}
}, function(error) {
callback(error, data);
});
}, function () {
callback(null, latestModification);
});
}
exports.requireDefinition = requireDefinition;
// This should be provided by the module, but until then, just use startup
// time.
var _requireLastModified = new Date();
function requireLastModified() {
return _requireLastModified.toUTCString();
}
function requireDefinition() {
return 'var require = ' + RequireKernel.kernelSource + ';\n';
}
function tarCode(jsFiles, write, callback) {
write('require.define({');
var initialEntry = true;
async.forEach(jsFiles, function (filename, callback){
var path;
var srcPath;
if (filename.indexOf('plugins/') == 0) {
srcPath = filename.substring('plugins/'.length);
path = require.resolve(srcPath);
function getFileCompressed(filename, contentType, callback) {
getFile(filename, function (error, content) {
if (error || !content) {
callback(error, content);
} else {
srcPath = '/' + filename;
path = JS_DIR + filename;
}
srcPath = JSON.stringify(srcPath);
var srcPathAbbv = JSON.stringify(srcPath.replace(/\.js$/, ''));
if (filename == 'ace.js') {
getAceFile(handleFile);
} else {
fs.readFile(path, "utf8", handleFile);
}
function handleFile(err, data) {
if(ERR(err, callback)) return;
if (!initialEntry) {
write('\n,');
} else {
initialEntry = false;
}
write(srcPath + ': ')
data = '(function (require, exports, module) {' + data + '})';
if (settings.minify) {
write(compressJS([data]));
} else {
write(data);
if (contentType == 'text/javascript') {
try {
content = compressJS([content]);
} catch (error) {
// silence
}
if (srcPath != srcPathAbbv) {
write('\n,' + srcPathAbbv + ': null');
} else if (contentType == 'text/css') {
content = compressCSS([content]);
}
callback();
}
}, function (err) {
if(ERR(err, callback)) return;
write('});\n');
callback();
callback(null, content);
}
});
}
function getFile(filename, callback) {
if (filename == 'js/ace.js') {
getAceFile(callback);
} else if (filename == 'js/require-kernel.js') {
callback(undefined, requireDefinition());
} else {
fs.readFile(ROOT_DIR + filename, callback);
}
}
function compressJS(values)
{
var complete = values.join("\n");