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259 gduche 1 
<?php
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/**
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 * Zend Framework
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 *
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 * LICENSE
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 *
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 * This source file is subject to the new BSD license that is bundled
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 * with this package in the file LICENSE.txt.
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 * It is also available through the world-wide-web at this URL:
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 * http://framework.zend.com/license/new-bsd
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 * If you did not receive a copy of the license and are unable to
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 * obtain it through the world-wide-web, please send an email
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 * to license@zend.com so we can send you a copy immediately.
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 *
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 * @category   Zend
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 * @package    Zend_OpenId
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 * @subpackage Zend_OpenId_Consumer
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 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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 * @license    http://framework.zend.com/license/new-bsd     New BSD License
299 jpm 21 
 * @version    $Id: Storage.php 299 2011-01-18 14:03:46Z jpm $
259 gduche 22 
 */
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/**
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 * Abstract class to implement external storage for OpenID consumer
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 *
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 * @category   Zend
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 * @package    Zend_OpenId
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 * @subpackage Zend_OpenId_Consumer
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 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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 * @license    http://framework.zend.com/license/new-bsd     New BSD License
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 */
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abstract class Storage
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{
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    /**
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     * Stores information about association identified by $url/$handle
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     *
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     * @param string $url OpenID server URL
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     * @param string $handle assiciation handle
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     * @param string $macFunc HMAC function (sha1 or sha256)
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     * @param string $secret shared secret
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     * @param long $expires expiration UNIX time
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     * @return void
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     */
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    abstract public function addAssociation($url, $handle, $macFunc, $secret, $expires);
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    /**
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     * Gets information about association identified by $url
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     * Returns true if given association found and not expired and false
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     * otherwise
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     *
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     * @param string $url OpenID server URL
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     * @param string &$handle assiciation handle
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     * @param string &$macFunc HMAC function (sha1 or sha256)
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     * @param string &$secret shared secret
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     * @param long &$expires expiration UNIX time
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     * @return bool
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     */
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    abstract public function getAssociation($url, &$handle, &$macFunc, &$secret, &$expires);
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    /**
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     * Gets information about association identified by $handle
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     * Returns true if given association found and not expired and false
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     * othverwise
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     *
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     * @param string $handle assiciation handle
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     * @param string &$url OpenID server URL
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     * @param string &$macFunc HMAC function (sha1 or sha256)
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     * @param string &$secret shared secret
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     * @param long &$expires expiration UNIX time
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     * @return bool
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     */
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    abstract public function getAssociationByHandle($handle, &$url, &$macFunc, &$secret, &$expires);
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    /**
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     * Deletes association identified by $url
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     *
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     * @param string $url OpenID server URL
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     * @return void
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     */
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    abstract public function delAssociation($url);
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    /**
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     * Stores information discovered from identity $id
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     *
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     * @param string $id identity
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     * @param string $realId discovered real identity URL
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     * @param string $server discovered OpenID server URL
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     * @param float $version discovered OpenID protocol version
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     * @param long $expires expiration UNIX time
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     * @return void
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     */
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    abstract public function addDiscoveryInfo($id, $realId, $server, $version, $expires);
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    /**
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     * Gets information discovered from identity $id
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     * Returns true if such information exists and false otherwise
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     *
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     * @param string $id identity
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     * @param string &$realId discovered real identity URL
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     * @param string &$server discovered OpenID server URL
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     * @param float &$version discovered OpenID protocol version
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     * @param long &$expires expiration UNIX time
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     * @return bool
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     */
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    abstract public function getDiscoveryInfo($id, &$realId, &$server, &$version, &$expires);
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    /**
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     * Removes cached information discovered from identity $id
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     *
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     * @param string $id identity
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     * @return bool
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     */
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    abstract public function delDiscoveryInfo($id);
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    /**
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     * The function checks the uniqueness of openid.response_nonce
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     *
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     * @param string $provider openid.openid_op_endpoint field from authentication response
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     * @param string $nonce openid.response_nonce field from authentication response
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     * @return bool
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     */
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    abstract public function isUniqueNonce($provider, $nonce);
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    /**
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     * Removes data from the uniqueness database that is older then given date
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     *
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     * @param string $date Date of expired data
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     */
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    abstract public function purgeNonces($date=null);
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}