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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Doctrine\Security\RememberMe;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Types\Type as DoctrineType;
use Symfony\Component\Security\Core\Authentication\RememberMe\PersistentToken;
use Symfony\Component\Security\Core\Authentication\RememberMe\PersistentTokenInterface;
use Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface;
use Symfony\Component\Security\Core\Exception\TokenNotFoundException;
/**
* This class provides storage for the tokens that is set in "remember me"
* cookies. This way no password secrets will be stored in the cookies on
* the client machine, and thus the security is improved.
*
* This depends only on doctrine in order to get a database connection
* and to do the conversion of the datetime column.
*
* In order to use this class, you need the following table in your database:
*
* CREATE TABLE `rememberme_token` (
* `series` char(88) UNIQUE PRIMARY KEY NOT NULL,
* `value` char(88) NOT NULL,
* `lastUsed` datetime NOT NULL,
* `class` varchar(100) NOT NULL,
* `username` varchar(200) NOT NULL
* );
*/
class DoctrineTokenProvider implements TokenProviderInterface
{
private $conn;
public function __construct(Connection $conn)
{
$this->conn = $conn;
}
/**
* {@inheritdoc}
*/
public function loadTokenBySeries($series)
{
// the alias for lastUsed works around case insensitivity in PostgreSQL
$sql = 'SELECT class, username, value, lastUsed AS last_used'
.' FROM rememberme_token WHERE series=:series';
$paramValues = ['series' => $series];
$paramTypes = ['series' => \PDO::PARAM_STR];
$stmt = $this->conn->executeQuery($sql, $paramValues, $paramTypes);
$row = $stmt->fetch(\PDO::FETCH_ASSOC);
if ($row) {
return new PersistentToken($row['class'], $row['username'], $series, $row['value'], new \DateTime($row['last_used']));
}
throw new TokenNotFoundException('No token found.');
}
/**
* {@inheritdoc}
*/
public function deleteTokenBySeries($series)
{
$sql = 'DELETE FROM rememberme_token WHERE series=:series';
$paramValues = ['series' => $series];
$paramTypes = ['series' => \PDO::PARAM_STR];
$this->conn->executeUpdate($sql, $paramValues, $paramTypes);
}
/**
* {@inheritdoc}
*/
public function updateToken($series, $tokenValue, \DateTime $lastUsed)
{
$sql = 'UPDATE rememberme_token SET value=:value, lastUsed=:lastUsed'
.' WHERE series=:series';
$paramValues = [
'value' => $tokenValue,
'lastUsed' => $lastUsed,
'series' => $series,
];
$paramTypes = [
'value' => \PDO::PARAM_STR,
'lastUsed' => DoctrineType::DATETIME,
'series' => \PDO::PARAM_STR,
];
$updated = $this->conn->executeUpdate($sql, $paramValues, $paramTypes);
if ($updated < 1) {
throw new TokenNotFoundException('No token found.');
}
}
/**
* {@inheritdoc}
*/
public function createNewToken(PersistentTokenInterface $token)
{
$sql = 'INSERT INTO rememberme_token'
.' (class, username, series, value, lastUsed)'
.' VALUES (:class, :username, :series, :value, :lastUsed)';
$paramValues = [
'class' => $token->getClass(),
'username' => $token->getUsername(),
'series' => $token->getSeries(),
'value' => $token->getTokenValue(),
'lastUsed' => $token->getLastUsed(),
];
$paramTypes = [
'class' => \PDO::PARAM_STR,
'username' => \PDO::PARAM_STR,
'series' => \PDO::PARAM_STR,
'value' => \PDO::PARAM_STR,
'lastUsed' => DoctrineType::DATETIME,
];
$this->conn->executeUpdate($sql, $paramValues, $paramTypes);
}
}
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