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<?php |
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/** |
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* Class SessionStorage |
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* |
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* @created 09.07.2017 |
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* @author Smiley <[email protected]> |
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* @copyright 2017 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\OAuth\Storage; |
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use chillerlan\OAuth\Core\AccessToken; |
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use chillerlan\OAuth\OAuthOptions; |
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use chillerlan\Settings\SettingsContainerInterface; |
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use function array_key_exists; |
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use function array_keys; |
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use function session_start; |
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use function session_status; |
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use function session_write_close; |
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use const PHP_SESSION_NONE; |
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/** |
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* Implements a session storage adapter. Session storage is half persistent as tokens are stored for the duration of the session. |
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*/ |
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class SessionStorage extends OAuthStorageAbstract{ |
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/** |
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* the key name for the token storage array in $_SESSION |
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*/ |
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protected string $tokenVar; |
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/** |
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* the key name for the CSRF token storage array in $_SESSION |
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*/ |
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protected string $stateVar; |
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/** |
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* SessionStorage constructor. |
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*/ |
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public function __construct(OAuthOptions|SettingsContainerInterface $options = null){ |
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parent::__construct($options); |
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$this->tokenVar = $this->options->sessionTokenVar; |
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$this->stateVar = $this->options->sessionStateVar; |
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// Determine if the session has started. |
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// @link http://stackoverflow.com/a/18542272/1470961 |
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if($this->options->sessionStart && !(session_status() !== PHP_SESSION_NONE)){ |
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session_start(); |
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} |
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if(!isset($_SESSION[$this->tokenVar])){ |
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$_SESSION[$this->tokenVar] = []; |
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} |
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if(!isset($_SESSION[$this->stateVar])){ |
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$_SESSION[$this->stateVar] = []; |
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} |
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} |
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/** |
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* SessionStorage destructor. |
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* |
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* @codeCoverageIgnore |
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*/ |
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public function __destruct(){ |
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if($this->options->sessionStart){ |
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session_write_close(); |
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} |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function storeAccessToken(AccessToken $token, string $service = null):OAuthStorageInterface{ |
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$_SESSION[$this->tokenVar][$this->getServiceName($service)] = $this->toStorage($token); |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getAccessToken(string $service = null):AccessToken{ |
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if($this->hasAccessToken($service)){ |
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return $this->fromStorage($_SESSION[$this->tokenVar][$this->getServiceName($service)]); |
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} |
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throw new OAuthStorageException('token not found'); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function hasAccessToken(string $service = null):bool{ |
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return isset($_SESSION[$this->tokenVar], $_SESSION[$this->tokenVar][$this->getServiceName($service)]); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clearAccessToken(string $service = null):OAuthStorageInterface{ |
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$serviceName = $this->getServiceName($service); |
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if(array_key_exists($serviceName, $_SESSION[$this->tokenVar])){ |
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unset($_SESSION[$this->tokenVar][$serviceName]); |
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} |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clearAllAccessTokens():OAuthStorageInterface{ |
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foreach(array_keys($_SESSION[$this->tokenVar]) as $service){ |
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unset($_SESSION[$this->tokenVar][$service]); |
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} |
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unset($_SESSION[$this->tokenVar]); |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function storeCSRFState(string $state, string $service = null):OAuthStorageInterface{ |
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$_SESSION[$this->stateVar][$this->getServiceName($service)] = $state; |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getCSRFState(string $service = null):string{ |
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if($this->hasCSRFState($service)){ |
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return $_SESSION[$this->stateVar][$this->getServiceName($service)]; |
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} |
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throw new OAuthStorageException('state not found'); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function hasCSRFState(string $service = null):bool{ |
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return isset($_SESSION[$this->stateVar], $_SESSION[$this->stateVar][$this->getServiceName($service)]); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clearCSRFState(string $service = null):OAuthStorageInterface{ |
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$serviceName = $this->getServiceName($service); |
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if(array_key_exists($serviceName, $_SESSION[$this->stateVar])){ |
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unset($_SESSION[$this->stateVar][$serviceName]); |
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} |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clearAllCSRFStates():OAuthStorageInterface{ |
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unset($_SESSION[$this->stateVar]); |
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return $this; |
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} |
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} |
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