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<?php
/**
* This is an authentication backend that uses a file to manage passwords.
*
* The backend file must conform to Apache's htdigest format
*
* @package Sabre
* @subpackage DAV
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Sabre_DAV_Auth_Backend_PDO extends Sabre_DAV_Auth_Backend_AbstractDigest {
/**
* Reference to PDO connection
*
* @var PDO
*/
protected $pdo;
/**
* PDO table name we'll be using
*
* @var string
*/
protected $tableName;
/**
* Creates the backend object.
*
* If the filename argument is passed in, it will parse out the specified file fist.
*
* @param PDO $pdo
* @param string $tableName The PDO table name to use
*/
public function __construct(PDO $pdo, $tableName = 'users') {
$this->pdo = $pdo;
$this->tableName = $tableName;
}
/**
* Returns the digest hash for a user.
*
* @param string $realm
* @param string $username
* @return string|null
*/
public function getDigestHash($realm,$username) {
$stmt = $this->pdo->prepare('SELECT username, digesta1 FROM '.$this->tableName.' WHERE username = ?');
$stmt->execute(array($username));
$result = $stmt->fetchAll();
if (!count($result)) return;
return $result[0]['digesta1'];
}
}
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