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<?php
/**
*
* @package auth
* @copyright (c) 2013 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
use OAuth\Common\Token\TokenInterface;
use OAuth\Common\Storage\TokenStorageInterface;
use OAuth\Common\Storage\Exception\StorageException;
use OAuth\Common\Storage\Exception\TokenNotFoundException;
/**
* OAuth storage wrapper for phpbb's cache
*
* @package auth
*/
class phpbb_auth_provider_oauth_token_storage implements TokenStorageInterface
{
/**
* Cache driver.
*
* @var phpbb_db_driver
*/
protected $db;
/**
* phpBB user
*
* @var phpbb_user
*/
protected $user;
/**
* Name of the OAuth provider
*
* @var string
*/
protected $service_name;
/**
* OAuth token table
*
* @var string
*/
protected $auth_provider_oauth_table;
/**
* @var object|TokenInterface
*/
protected $cachedToken;
/**
* Creates token storage for phpBB.
*
* @param phpbb_db_driver $db
* @param phpbb_user $user
* @param string $service_name
* @param string $auth_provider_oauth_table
*/
public function __construct(phpbb_db_driver $db, phpbb_user $user, $service_name, $auth_provider_oauth_table)
{
$this->db = $db;
$this->user = $user;
$this->service_name = $service_name;
$this->auth_provider_oauth_table = $auth_provider_oauth_table;
}
/**
* {@inheritdoc}
*/
public function retrieveAccessToken()
{
if( $this->cachedToken instanceOf TokenInterface ) {
return $this->cachedToken;
}
$data = array(
'user_id' => $this->user->data['user_id'],
'provider' => $this->service_name,
);
if ($this->user->data['user_id'] == ANONYMOUS)
{
$data['session_id'] = $this->user->data['session_id'];
}
$sql = 'SELECT oauth_token FROM ' . $this->auth_provider_oauth_table . '
WHERE ' . $this->db->sql_build_array('SELECT', $data);
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if (!$row)
{
// TODO: translate
throw new TokenNotFoundException('Token not stored');
}
$token = unserialize($row['oauth_token']);
// Ensure that the token was serialized/unserialized correctly
if (!($token instanceof TokenInterface))
{
$this->clearToken();
// TODO: translate
throw new TokenNotFoundException('Token not stored correctly');
}
$this->cachedToken = $token;
return $token;
}
/**
* {@inheritdoc}
*/
public function storeAccessToken(TokenInterface $token)
{
$this->cachedToken = $token;
$data = array(
'user_id' => $this->user->data['user_id'],
'provider' => $this->service_name,
'oauth_token' => serialize($token),
);
if ($this->user->data['user_id'] == ANONYMOUS)
{
$data['session_id'] = $this->user->data['session_id'];
}
$sql = 'INSERT INTO ' . $this->auth_provider_oauth_table . '
' . $this->db->sql_build_array('INSERT', $data);
$this->db->sql_query($sql);
}
/**
* {@inheritdoc}
*/
public function hasAccessToken()
{
if( $this->cachedToken ) {
return true;
}
$data = array(
'user_id' => $this->user->data['user_id'],
'provider' => $this->service_name,
);
if ($this->user->data['user_id'] == ANONYMOUS)
{
$data['session_id'] = $this->user->data['session_id'];
}
$sql = 'SELECT oauth_token FROM ' . $this->auth_provider_oauth_table . '
WHERE ' . $this->db->sql_build_array('SELECT', $data);
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if (!$row)
{
return false;
}
return true;
}
/**
* {@inheritdoc}
*/
public function clearToken()
{
$this->cachedToken = null;
$sql = 'DELETE FROM ' . $this->auth_provider_oauth_table . '
WHERE user_id = ' . $this->user->data['user_id'] . '
AND provider = ' . $this->db->sql_escape($this->oauth_provider);
if ($this->user->data['user_id'] == ANONYMOUS)
{
$sql .= ' AND session_id = \'' . $this->user->data['session_id'] . '\'';
}
$this->db->sql_query($sql);
}
/**
* Updates the user_id field in the database assosciated with the token
*
* @param int $user_id
*/
public function set_user_id($user_id)
{
if (!$this->cachedToken)
{
return;
}
$sql = 'UPDATE ' . $this->auth_provider_oauth_table . '
SET ' . $this->db->sql_build_array('UPDATE', array(
'user_id' => (int) $user_id
)) . '
WHERE user_id = ' . $this->user->data['user_id'] . '
AND session_id = \'' . $this->user->data['session_id'] . '\'';
$this->db->sql_query($sql);
}
}
|
