63 lines
1.5 KiB
PHP
63 lines
1.5 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
* Server
|
||
|
|
*
|
||
|
|
* Makes it more convenient to get variables
|
||
|
|
* from the global server array
|
||
|
|
*
|
||
|
|
* @package Kirby Toolkit
|
||
|
|
* @author Bastian Allgeier <bastian@getkirby.com>
|
||
|
|
* @link http://getkirby.com
|
||
|
|
* @copyright Bastian Allgeier
|
||
|
|
* @license http://www.opensource.org/licenses/mit-license.php MIT License
|
||
|
|
*/
|
||
|
|
class Server {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a value from the _SERVER array
|
||
|
|
*
|
||
|
|
* <code>
|
||
|
|
*
|
||
|
|
* server::get('document_root');
|
||
|
|
* // sample output: /var/www/kirby
|
||
|
|
*
|
||
|
|
* server::get();
|
||
|
|
* // returns the whole server array
|
||
|
|
*
|
||
|
|
* </code>
|
||
|
|
*
|
||
|
|
* @param mixed $key The key to look for. Pass false or null to return the entire server array.
|
||
|
|
* @param mixed $default Optional default value, which should be returned if no element has been found
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public static function get($key = false, $default = null) {
|
||
|
|
if(empty($key)) return $_SERVER;
|
||
|
|
$key = str::upper($key);
|
||
|
|
$value = a::get($_SERVER, $key, $default);
|
||
|
|
return static::sanitize($key, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function sanitize($key, $value) {
|
||
|
|
|
||
|
|
switch($key) {
|
||
|
|
case 'SERVER_ADDR':
|
||
|
|
case 'SERVER_NAME':
|
||
|
|
case 'HTTP_HOST':
|
||
|
|
$value = strip_tags($value);
|
||
|
|
$value = preg_replace('![^\w.:-]+!iu', '', $value);
|
||
|
|
$value = trim($value, '-');
|
||
|
|
$value = htmlspecialchars($value);
|
||
|
|
break;
|
||
|
|
case 'SERVER_PORT':
|
||
|
|
$value = preg_replace('![^0-9]+!', '', $value);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $value;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|