100 lines
2.7 KiB
PHP
100 lines
2.7 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This file supplies a dumb store backend for OpenID servers and
|
||
|
|
* consumers.
|
||
|
|
*
|
||
|
|
* PHP versions 4 and 5
|
||
|
|
*
|
||
|
|
* LICENSE: See the COPYING file included in this distribution.
|
||
|
|
*
|
||
|
|
* @package OpenID
|
||
|
|
* @author JanRain, Inc. <openid@janrain.com>
|
||
|
|
* @copyright 2005-2008 Janrain, Inc.
|
||
|
|
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Import the interface for creating a new store class.
|
||
|
|
*/
|
||
|
|
require_once 'Auth/OpenID/Interface.php';
|
||
|
|
require_once 'Auth/OpenID/HMAC.php';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This is a store for use in the worst case, when you have no way of
|
||
|
|
* saving state on the consumer site. Using this store makes the
|
||
|
|
* consumer vulnerable to replay attacks, as it's unable to use
|
||
|
|
* nonces. Avoid using this store if it is at all possible.
|
||
|
|
*
|
||
|
|
* Most of the methods of this class are implementation details.
|
||
|
|
* Users of this class need to worry only about the constructor.
|
||
|
|
*
|
||
|
|
* @package OpenID
|
||
|
|
*/
|
||
|
|
class Auth_OpenID_DumbStore extends Auth_OpenID_OpenIDStore {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a new {@link Auth_OpenID_DumbStore} instance. For the security
|
||
|
|
* of the tokens generated by the library, this class attempts to
|
||
|
|
* at least have a secure implementation of getAuthKey.
|
||
|
|
*
|
||
|
|
* When you create an instance of this class, pass in a secret
|
||
|
|
* phrase. The phrase is hashed with sha1 to make it the correct
|
||
|
|
* length and form for an auth key. That allows you to use a long
|
||
|
|
* string as the secret phrase, which means you can make it very
|
||
|
|
* difficult to guess.
|
||
|
|
*
|
||
|
|
* Each {@link Auth_OpenID_DumbStore} instance that is created for use by
|
||
|
|
* your consumer site needs to use the same $secret_phrase.
|
||
|
|
*
|
||
|
|
* @param string secret_phrase The phrase used to create the auth
|
||
|
|
* key returned by getAuthKey
|
||
|
|
*/
|
||
|
|
function Auth_OpenID_DumbStore($secret_phrase)
|
||
|
|
{
|
||
|
|
$this->auth_key = Auth_OpenID_SHA1($secret_phrase);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This implementation does nothing.
|
||
|
|
*/
|
||
|
|
function storeAssociation($server_url, $association)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This implementation always returns null.
|
||
|
|
*/
|
||
|
|
function getAssociation($server_url, $handle = null)
|
||
|
|
{
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This implementation always returns false.
|
||
|
|
*/
|
||
|
|
function removeAssociation($server_url, $handle)
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* In a system truly limited to dumb mode, nonces must all be
|
||
|
|
* accepted. This therefore always returns true, which makes
|
||
|
|
* replay attacks feasible.
|
||
|
|
*/
|
||
|
|
function useNonce($server_url, $timestamp, $salt)
|
||
|
|
{
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the auth key generated by the constructor.
|
||
|
|
*/
|
||
|
|
function getAuthKey()
|
||
|
|
{
|
||
|
|
return $this->auth_key;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|