| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * ownCloud - galleryplus | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * This file is licensed under the Affero General Public License version 3 or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * later. See the COPYING file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @author Lukas Reschke <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @author Olivier Paroz <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @copyright Lukas Reschke 2014-2015 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @copyright Olivier Paroz 2014-2016 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | namespace OCA\GalleryPlus\Middleware; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use OCP\IConfig; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use OCP\IRequest; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use OCP\ILogger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use OCP\IURLGenerator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use OCP\AppFramework\Http; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use OCP\AppFramework\Utility\IControllerMethodReflector; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * Checks whether the "sharing check" is enabled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * @package OCA\GalleryPlus\SharingCheckMiddleware | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | class SharingCheckMiddleware extends CheckMiddleware { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	/** @var IConfig */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	private $config; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	/** @var IControllerMethodReflector */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 	protected $reflector; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	/*** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	 * Constructor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	 * @param string $appName | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	 * @param IRequest $request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 	 * @param IConfig $appConfig | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	 * @param IControllerMethodReflector $reflector | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	 * @param IURLGenerator $urlGenerator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	 * @param ILogger $logger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 34 |  | 	public function __construct( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 		$appName, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 		IRequest $request, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 		IConfig $appConfig, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 		IControllerMethodReflector $reflector, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 		IURLGenerator $urlGenerator, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 		ILogger $logger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 34 |  | 		parent::__construct( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 			$appName, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 			$request, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 			$urlGenerator, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 			$logger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 		); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 34 |  | 		$this->config = $appConfig; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 34 |  | 		$this->reflector = $reflector; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 34 |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	 * Checks if sharing is enabled before the controllers is executed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	 * Inspects the controller method annotations and if PublicPage is found | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	 * it makes sure that sharing is enabled in the configuration settings | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 	 * The check is not performed on "guest" pages which don't require sharing | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	 * to be enabled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 	 * @inheritDoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 31 |  | 	public function beforeController($controller, $methodName) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 31 |  | 		if ($this->reflector->hasAnnotation('Guest')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 3 |  | 			return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 30 |  | 		$sharingEnabled = $this->isSharingEnabled(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 30 |  | 		$isPublicPage = $this->reflector->hasAnnotation('PublicPage'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 30 |  | 		if ($isPublicPage && !$sharingEnabled) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 1 |  | 			throw new CheckException("'Sharing is disabled'", Http::STATUS_SERVICE_UNAVAILABLE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 29 |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 	 * Checks whether public sharing (via links) is enabled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 	 * @return bool | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 93 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 94 | 32 |  | 	private function isSharingEnabled() { | 
            
                                                                        
                            
            
                                    
            
            
                | 95 | 32 |  | 		$shareApiAllowLinks = $this->config->getAppValue('core', 'shareapi_allow_links', 'yes'); | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 97 | 32 |  | 		if ($shareApiAllowLinks !== 'yes') { | 
            
                                                                        
                            
            
                                    
            
            
                | 98 | 2 |  | 			return false; | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 101 | 30 |  | 		return true; | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 104 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 105 |  |  |  |