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<?php
namespace IMSGlobal\LTI\ToolProvider;
use IMSGlobal\LTI\OAuth;
/**
* Class to represent an OAuth datastore
*
* @author Stephen P Vickers <svickers@imsglobal.org>
* @copyright IMS Global Learning Consortium Inc
* @date 2016
* @version 3.0.2
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
*/
class OAuthDataStore extends OAuth\OAuthDataStore
{
/**
* Tool Provider object.
*
* @var ToolProvider $toolProvider
*/
private $toolProvider = null;
/**
* Class constructor.
*
* @param ToolProvider $toolProvider Tool_Provider object
*/
public function __construct($toolProvider)
{
$this->toolProvider = $toolProvider;
}
/**
* Create an OAuthConsumer object for the tool consumer.
*
* @param string $consumerKey Consumer key value
*
* @return OAuthConsumer OAuthConsumer object
*/
function lookup_consumer($consumerKey)
{
return new OAuth\OAuthConsumer($this->toolProvider->consumer->getKey(),
$this->toolProvider->consumer->secret);
}
/**
* Create an OAuthToken object for the tool consumer.
*
* @param string $consumer OAuthConsumer object
* @param string $tokenType Token type
* @param string $token Token value
*
* @return OAuthToken OAuthToken object
*/
function lookup_token($consumer, $tokenType, $token)
{
return new OAuth\OAuthToken($consumer, '');
}
/**
* Lookup nonce value for the tool consumer.
*
* @param OAuthConsumer $consumer OAuthConsumer object
* @param string $token Token value
* @param string $value Nonce value
* @param string $timestamp Date/time of request
*
* @return boolean True if the nonce value already exists
*/
function lookup_nonce($consumer, $token, $value, $timestamp)
{
$nonce = new ConsumerNonce($this->toolProvider->consumer, $value);
$ok = !$nonce->load();
if ($ok) {
$ok = $nonce->save();
}
if (!$ok) {
$this->toolProvider->reason = 'Invalid nonce.';
}
return !$ok;
}
/**
* Get new request token.
*
* @param OAuthConsumer $consumer OAuthConsumer object
* @param string $callback Callback URL
*
* @return string Null value
*/
function new_request_token($consumer, $callback = null)
{
return null;
}
/**
* Get new access token.
*
* @param string $token Token value
* @param OAuthConsumer $consumer OAuthConsumer object
* @param string $verifier Verification code
*
* @return string Null value
*/
function new_access_token($token, $consumer, $verifier = null)
{
return null;
}
}