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/*!
* Connect - vhost
* Copyright(c) 2010 Sencha Inc.
* Copyright(c) 2011 TJ Holowaychuk
* MIT Licensed
*/
/**
* Vhost:
*
* Setup vhost for the given `hostname` and `server`.
*
* connect()
* .use(connect.vhost('foo.com', fooApp))
* .use(connect.vhost('bar.com', barApp))
* .use(connect.vhost('*.com', mainApp))
*
* The `server` may be a Connect server or
* a regular Node `http.Server`.
*
* @param {String} hostname
* @param {Server} server
* @return {Function}
* @api public
*/
module.exports = function vhost(hostname, server){
if (!hostname) throw new Error('vhost hostname required');
if (!server) throw new Error('vhost server required');
var regexp = new RegExp('^' + hostname.replace(/[^*\w]/g, '\\$&').replace(/[*]/g, '(?:.*?)') + '$', 'i');
if (server.onvhost) server.onvhost(hostname);
return function vhost(req, res, next){
if (!req.headers.host) return next();
var host = req.headers.host.split(':')[0];
if (!regexp.test(host)) return next();
if ('function' == typeof server) return server(req, res, next);
server.emit('request', req, res);
};
};