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<?php |
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/** |
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* @copyright 2017, Roeland Jago Douma <[email protected]> |
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* |
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* @author Roeland Jago Douma <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\AppFramework\Middleware\Security; |
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use OC\AppFramework\Http\Request; |
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use OC\AppFramework\Middleware\Security\Exceptions\LaxSameSiteCookieFailedException; |
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use OC\AppFramework\Utility\ControllerMethodReflector; |
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use OCP\AppFramework\Http; |
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use OCP\AppFramework\Http\Response; |
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use OCP\AppFramework\Middleware; |
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class SameSiteCookieMiddleware extends Middleware { |
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/** @var Request */ |
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private $request; |
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/** @var ControllerMethodReflector */ |
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private $reflector; |
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public function __construct(Request $request, |
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ControllerMethodReflector $reflector) { |
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$this->request = $request; |
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$this->reflector = $reflector; |
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} |
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public function beforeController($controller, $methodName) { |
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$requestUri = $this->request->getScriptName(); |
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$processingScript = explode('/', $requestUri); |
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$processingScript = $processingScript[count($processingScript)-1]; |
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if ($processingScript !== 'index.php') { |
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return; |
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} |
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$noSSC = $this->reflector->hasAnnotation('NoSameSiteCookieRequired'); |
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if ($noSSC) { |
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return; |
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} |
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if (!$this->request->passesLaxCookieCheck()) { |
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throw new LaxSameSiteCookieFailedException(); |
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} |
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} |
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public function afterException($controller, $methodName, \Exception $exception) { |
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if ($exception instanceof LaxSameSiteCookieFailedException) { |
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$respone = new Response(); |
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$respone->setStatus(Http::STATUS_FOUND); |
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$respone->addHeader('Location', $this->request->getRequestUri()); |
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$this->setSameSiteCookie(); |
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return $respone; |
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} |
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throw $exception; |
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} |
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View Code Duplication |
protected function setSameSiteCookie() { |
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$cookieParams = $this->request->getCookieParams(); |
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$secureCookie = ($cookieParams['secure'] === true) ? 'secure; ' : ''; |
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$policies = [ |
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'lax', |
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'strict', |
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]; |
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// Append __Host to the cookie if it meets the requirements |
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$cookiePrefix = ''; |
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if($cookieParams['secure'] === true && $cookieParams['path'] === '/') { |
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$cookiePrefix = '__Host-'; |
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} |
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foreach($policies as $policy) { |
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header( |
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sprintf( |
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'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;' . $secureCookie . 'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s', |
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$cookiePrefix, |
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$policy, |
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$cookieParams['path'], |
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$policy |
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), |
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false |
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); |
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} |
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} |
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} |
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nextcloud /
server
