<?php

/*

 * Copyright 2010 Johannes M. Schmitt <schmittjoh@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

namespace JMS\SecurityExtraBundle\Security\Authentication\Token;

use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;

use Symfony\Component\Security\Core\Authentication\Token\AbstractToken;

/**

 * This token is automatically generated by the RunAsManager when an invocation

 * is supposed to be run with a different Token.

 *

 * @author Johannes M. Schmitt <schmittjoh@gmail.com>

 */

class RunAsUserToken extends AbstractToken

{

    private $originalToken;

    private $key;

    private $credentials;

    public function __construct($key, $user, $credentials, array $roles, TokenInterface $originalToken)

    {

        parent::__construct($roles);

        $this->originalToken = $originalToken;

        $this->credentials = $credentials;

        $this->key = $key;

        $this->setUser($user);

        $this->setAuthenticated(true);

    }

    public function getKey()

    {

        return $this->key;

    }

    public function getOriginalToken()

    {

        return $this->originalToken;

    }

    public function getCredentials()

    {

        return $this->credentials;

    }

    public function eraseCredentials()

    {

        parent::eraseCredentials();

        $this->credentials = null;

    }

    public function serialize()

    {

        return serialize(array(

            $this->originalToken,

            $this->key,

            $this->credentials,

            parent::serialize(),

        ));

    }

    public function unserialize($str)

    {

        list($this->originalToken, $this->key, $this->credentials, $parentStr) = unserialize($str);

        parent::unserialize($parentStr);

    }

}