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<?php
namespace Sabre\DAV\Auth\Backend;
/**
* This is an authentication backend that uses a database to manage passwords.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class PDO extends AbstractDigest {
/**
* Reference to PDO connection
*
* @var PDO
*/
protected $pdo;
/**
* PDO table name we'll be using
*
* @var string
*/
public $tableName = 'users';
/**
* Creates the backend object.
*
* If the filename argument is passed in, it will parse out the specified file fist.
*
* @param \PDO $pdo
*/
function __construct(\PDO $pdo) {
$this->pdo = $pdo;
}
/**
* Returns the digest hash for a user.
*
* @param string $realm
* @param string $username
* @return string|null
*/
function getDigestHash($realm, $username) {
$stmt = $this->pdo->prepare('SELECT digesta1 FROM ' . $this->tableName . ' WHERE username = ?');
$stmt->execute([$username]);
return $stmt->fetchColumn() ?: null;
}
}
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