vendor/bshaffer/oauth2-server-bundle/OAuth2/ServerBundle/Storage/RefreshToken.php

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<?php

namespace OAuth2\ServerBundle\Storage;

use OAuth2\Storage\RefreshTokenInterface;
use Doctrine\ORM\EntityManager;

class RefreshToken implements RefreshTokenInterface
{
    private $em;

    public function __construct(EntityManager $EntityManager)
    {
        $this->em = $EntityManager;
    }

    /**
     * Grant refresh access tokens.
     *
     * Retrieve the stored data for the given refresh token.
     *
     * Required for OAuth2::GRANT_TYPE_REFRESH_TOKEN.
     *
     * @param $refresh_token
     * Refresh token to be check with.
     *
     * @return
     * An associative array as below, and NULL if the refresh_token is
     * invalid:
     * - refresh_token: Stored refresh token identifier.
     * - client_id: Stored client identifier.
     * - user_id: Stored user identifier.
     * - expires: Stored expiration unix timestamp.
     * - scope: (optional) Stored scope values in space-separated string.
     *
     * @see http://tools.ietf.org/html/rfc6749#section-6
     *
     * @ingroup oauth2_section_6
     */
    public function getRefreshToken($refresh_token)
    {
        $refreshToken = $this->em->getRepository('OAuth2ServerBundle:RefreshToken')->find($refresh_token);

        if (!$refreshToken) {
            return null;
        }

        // Get Client
        $client = $refreshToken->getClient();

        return array(
            'refresh_token' => $refreshToken->getToken(),
            'client_id' => $client->getClientId(),
            'user_id' => $refreshToken->getUserId(),
            'expires' => $refreshToken->getExpires()->getTimestamp(),
            'scope' => $refreshToken->getScope()
        );
    }

    /**