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auth.rxbn.de/bin/web/module.js

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/*
* This file is part of the authRXBN single sign-on package.
*
* (c) Ruben Meyer <contact@rxbn.de>
*/
// init
var methods = {};
/**
* start web server
* @author Ruben Meyer
* @return {Void}
*/
methods.start = () => {
// init express framework
let express = require('express');
let session_handler = require('express-session');
// utilities
let fs = require('fs');
let path = require('path');
let mime = require('mime-types');
// app variable
let app = express();
app.set('view engine', 'pug'); // page engine
app.set('views', global['__dirname']+'/bin/web/views');
let bp = require('body-parser'); // POST Body parser
let cp = require('cookie-parser'); // Cookie handler
// Access Control Headers
app.use( (req, res, next) => {
res.set({
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'X-Powered-By': global['gds'].cfg.web.poweredBy
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});
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
next();
});
//static files
app.use('/res', (req, res, next) => {
if(typeof global['gds'].cache.web == 'undefined') global['gds'].cache.web = {};
let dir = global['__dirname'] + '/res/web';
let joined_path = path.join(dir, /^[^?]+/.exec(req.url)[0]);
// path already cached; not exist
if(global['gds'].cache.web[joined_path] == false) {
res.status(404).end();
// path already cached; exist
} else if(global['gds'].cache.web[joined_path] == true){
let contentType = mime.contentType(path.extname(joined_path));
res.setHeader('Content-Type', contentType);
fs.createReadStream(joined_path).pipe(res);
// check path
} else {
fs.exists(joined_path, (exists) => {
global['gds'].cache.web[joined_path] = exists;
if(exists) {
let contentType = mime.contentType(path.extname(joined_path));
res.setHeader('Content-Type', contentType);
fs.createReadStream(joined_path).pipe(res);
} else {
res.status(404).end();
}
});
}
});
// BodyParser & CookieParser
app.use(bp.json());
app.use(bp.urlencoded({
extended: true
}));
app.use(cp(global['gds'].cfg.web.cookieKey));
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// Pretty print
if(app.get('env') === 'debug')
app.locals.pretty = true;
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// Sessions
session_options = {
secret: global['gds'].cfg.web.sessionKey,
resave: false,
saveUninitialized: false, cookie: {}};
if(app.get('env') === 'production') {
session_options.cookie.secure = true;
}
app.use(session_handler(session_options));
// web routes
app.use('/', require(global['__dirname']+'/bin/web/routes/static'));
app.use('/api', require(global['__dirname']+'/bin/web/routes/api'));
// start server
app.listen(global['gds'].cfg.web.port, () => {
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global['modules'].logs.log("Server is listening on port: "+global['gds'].cfg.web.port);
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});
};
module.exports = methods;