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<?php
namespace Sabre\DAV\Auth\Backend;
/**
* This is an authentication backend that uses imap.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Michael Niewöhner (foss@mniewoehner.de)
* @author rosali (https://github.com/rosali)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class IMAP extends AbstractBasic
{
/**
* IMAP server in the form {host[:port][/flag1/flag2...]}.
*
* @see http://php.net/manual/en/function.imap-open.php
*
* @var string
*/
protected $mailbox;
/**
* Creates the backend object.
*
* @param string $mailbox
*/
public function __construct($mailbox)
{
$this->mailbox = $mailbox;
}
/**
* Connects to an IMAP server and tries to authenticate.
*
* @param string $username
* @param string $password
*
* @return bool
*/
protected function imapOpen($username, $password)
{
$success = false;
try {
$imap = imap_open($this->mailbox, $username, $password, OP_HALFOPEN | OP_READONLY, 1);
if ($imap) {
$success = true;
}
} catch (\ErrorException $e) {
error_log($e->getMessage());
}
$errors = imap_errors();
if ($errors) {
foreach ($errors as $error) {
error_log($error);
}
}
if (isset($imap) && $imap) {
imap_close($imap);
}
return $success;
}
/**
* Validates a username and password by trying to authenticate against IMAP.
*
* @param string $username
* @param string $password
*
* @return bool
*/
protected function validateUserPass($username, $password)
{
return $this->imapOpen($username, $password);
}
}
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