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privatebin/lib/Persistence/WebServer.php

89 lines
2.1 KiB

<?php
/**
* PrivateBin
*
* a zero-knowledge paste bin
*
* @link https://github.com/PrivateBin/PrivateBin
* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
* @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
* @version 1.1
*/
namespace PrivateBin\Persistence;
/**
* WebServer
*
* Provides detect webserver functions.
*/
class WebServer extends AbstractPersistence
{
/**
* path in which to persist something
*
* @access private
* @static
* @var string
*/
private static $_path = 'data';
/**
* key to detect server software
*
* @access private
* @static
* @var string
*/
private static $_serverKey = 'SERVER_SOFTWARE';
/**
* get a webserver
*
* @access public
* @static
* @return array
*/
public static function getWebserver()
{
$regex = "/(?<software>\w+)\/(?<version>[0-9.a-z]*)/";
if(isset($_SERVER[self::$_serverKey]) && preg_match_all($regex, $_SERVER[self::$_serverKey], $arr))
return array_merge(['software' => $arr['software'][0]], ['version' => $arr['version'][0]]);
else
return array();
}
/**
* Write a directive into .htacess
*
*
* @access public
* @static
* @throws Exception
*/
public static function canHtaccess()
{
$file = '.htaccess';
if (is_dir(self::$_path) && !is_file($file)) {
$server = self::getWebserver();
if($server['software'] == "Apache") {
if (version_compare($server['version'], '2.2') >= 0) {
self::_store(
$file,
'Allow from none' . PHP_EOL .
'Deny from all' . PHP_EOL,
LOCK_EX
);
} else {
self::_store(
$file,
'Require all denied' . PHP_EOL,
LOCK_EX
);
}
}
}
}
}