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Developer Network License
The Joomla! Developer Network content is © copyright 2006 by the individual contributors and can be used in accordance with the
Creative Commons License, Attribution- NonCommercial- ShareAlike 2.5
Source code for file /openid/Auth/OpenID/DumbStore.php
Documentation is available at
DumbStore.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. <
[email protected]
>
*
@copyright
2005 Janrain, Inc.
*
@license
http://www.gnu.org/copyleft/lesser.html LGPL
*/
/**
* Import the interface for creating a new store class.
*/
require_once
'Auth/OpenID/Interface.php'
;
require_once
'Auth/OpenID/HMACSHA1.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
;
}
/**
* This implementation does nothing.
*/
function
storeNonce
(
$nonce
)
{
}
/**
* 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
(
$nonce
)
{
return
true
;
}
/**
* This method returns the auth key generated by the constructor.
*/
function
getAuthKey
(
)
{
return
$this
->
auth_key
;
}
/**
* This store is a dumb mode store, so this method is overridden
* to return true.
*/
function
isDumb
(
)
{
return
true
;
}
}
?>
Documentation generated on Mon, 05 Mar 2007 20:56:52 +0000 by
phpDocumentor 1.3.1