streams/vendor/sabre/dav/lib/DAV/Auth/Backend/File.php
2016-06-28 21:45:14 +02:00

77 lines
1.8 KiB
PHP

<?php
namespace Sabre\DAV\Auth\Backend;
use Sabre\DAV;
/**
* This is an authentication backend that uses a file to manage passwords.
*
* The backend file must conform to Apache's htdigest format
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class File extends AbstractDigest {
/**
* List of users
*
* @var array
*/
protected $users = [];
/**
* Creates the backend object.
*
* If the filename argument is passed in, it will parse out the specified file first.
*
* @param string|null $filename
*/
function __construct($filename = null) {
if (!is_null($filename))
$this->loadFile($filename);
}
/**
* Loads an htdigest-formatted file. This method can be called multiple times if
* more than 1 file is used.
*
* @param string $filename
* @return void
*/
function loadFile($filename) {
foreach (file($filename, FILE_IGNORE_NEW_LINES) as $line) {
if (substr_count($line, ":") !== 2)
throw new DAV\Exception('Malformed htdigest file. Every line should contain 2 colons');
list($username, $realm, $A1) = explode(':', $line);
if (!preg_match('/^[a-zA-Z0-9]{32}$/', $A1))
throw new DAV\Exception('Malformed htdigest file. Invalid md5 hash');
$this->users[$realm . ':' . $username] = $A1;
}
}
/**
* Returns a users' information
*
* @param string $realm
* @param string $username
* @return string
*/
function getDigestHash($realm, $username) {
return isset($this->users[$realm . ':' . $username]) ? $this->users[$realm . ':' . $username] : false;
}
}