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<?php |
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/** |
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* authentification strategy based on a username cookie |
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*/ |
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namespace Graviton\SecurityBundle\Authentication\Strategies; |
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use Graviton\SecurityBundle\Entities\SecurityUser; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\Security\Core\Role\Role; |
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/** |
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* Class CookieFieldStrategy |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class CookieFieldStrategy extends AbstractHttpStrategy |
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{ |
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/** @var string */ |
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const COOKIE_FIELD_NAME = 'username'; |
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/** @var string */ |
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const COOKIE_VALUE_CORE_ID = 'finnova_id'; |
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/** @var string */ |
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const CONFIGURATION_PARAMETER_CORE_ID = 'graviton.security.core_id'; |
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/** @var string */ |
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const CONFIGURATION_PARAMETER_USER_ID = 'graviton.security.user_id'; |
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/** @var string */ |
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protected $field; |
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/** |
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* @param string $field cookie field to be examined |
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*/ |
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public function __construct($field) |
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{ |
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$this->field = $field; |
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} |
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/** |
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* Applies the defined strategy on the provided request. |
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* Value may contain a coma separated string values, we use first as identifier. |
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* |
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* @param Request $request request to handle |
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* |
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* @return string |
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*/ |
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public function apply(Request $request) |
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{ |
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$bagValue = $this->extractFieldInfo($request->cookies, $this->field); |
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// this needs to be available in a later state of the application |
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$this->extractAdUsername($request, $bagValue); |
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return $this->extractCoreId($request, $bagValue); |
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} |
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/** |
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* Provides the list of registered roles. |
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* |
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* @return Role[] |
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*/ |
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public function getRoles() |
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{ |
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return [SecurityUser::ROLE_USER]; |
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} |
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/** |
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* Finds and extracts the ad username from the cookie. |
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* |
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* @param Request $request Request stack that controls the lifecycle of requests |
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* @param string $value The string the value of self::COOKIE_FIELD_NAME shall be extracted from. |
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* |
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* @return string |
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*/ |
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2 |
View Code Duplication |
protected function extractAdUsername(Request $request, $value) |
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{ |
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$pattern = "/((?m)(?<=\b".self::COOKIE_FIELD_NAME."=)[^;]*)/i"; |
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preg_match($pattern, $value, $matches); |
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if ($matches) { |
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$request->attributes->set(self::CONFIGURATION_PARAMETER_USER_ID, $matches[0]); |
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return $matches[0]; |
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} |
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return $value; |
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} |
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/** |
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* Finds and extracts the core system id from tha cookie. |
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* |
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* @param Request $request Request stack that controls the lifecycle of requests |
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* @param string $text String to be examined for the core id. |
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* |
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* @return string |
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*/ |
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View Code Duplication |
protected function extractCoreId(Request $request, $text) |
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{ |
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$pattern = "/((?m)(?<=\b".self::COOKIE_VALUE_CORE_ID."=)[^;]*)/i"; |
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preg_match($pattern, $text, $matches); |
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if ($matches) { |
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$request->attributes->set(self::CONFIGURATION_PARAMETER_CORE_ID, $matches[0]); |
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return $matches[0]; |
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} |
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return $text; |
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} |
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} |
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libgraviton /
graviton
