| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * @author Björn Schießle <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * @author Thomas Müller <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @copyright Copyright (c) 2018, ownCloud GmbH | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @license AGPL-3.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * This code is free software: you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * it under the terms of the GNU Affero General Public License, version 3, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * as published by the Free Software Foundation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * GNU Affero General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * You should have received a copy of the GNU Affero General Public License, version 3, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * along with this program.  If not, see <http://www.gnu.org/licenses/> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | namespace OCA\FederatedFileSharing; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use OC\HintException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use OCP\IL10N; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use OCP\IURLGenerator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  * Class AddressHandler - parse, modify and construct federated sharing addresses | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  * @package OCA\FederatedFileSharing | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | class AddressHandler { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 	/** @var IL10N */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 	private $l; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	/** @var IURLGenerator */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	private $urlGenerator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 	 * AddressHandler constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	 * @param IURLGenerator $urlGenerator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	 * @param IL10N $il10n | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 46 | 256 |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  | 	public function __construct( | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  | 		IURLGenerator $urlGenerator, | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  | 		IL10N $il10n | 
            
                                                                        
                            
            
                                    
            
            
                | 50 | 256 |  | 	) { | 
            
                                                                        
                            
            
                                    
            
            
                | 51 | 256 |  | 		$this->l = $il10n; | 
            
                                                                        
                            
            
                                    
            
            
                | 52 | 256 |  | 		$this->urlGenerator = $urlGenerator; | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	 * split user and remote from federated cloud id | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	 * @param string $address federated share address | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	 * @return array [user, remoteURL] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	 * @throws HintException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 233 |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 233 |  | 	public function splitUserRemote($address) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 4 |  | 		if (\strpos($address, '@') === false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 4 |  | 			$hint = $this->l->t('Invalid Federated Cloud ID'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 			throw new HintException('Invalid Federated Cloud ID', $hint); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 229 |  | 		// Find the first character that is not allowed in user names | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 | 229 |  | 		$id = \str_replace('\\', '/', $address); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 229 |  | 		$posSlash = \strpos($id, '/'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 		$posColon = \strpos($id, ':'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 229 |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 73 | 18 | View Code Duplication | 		if ($posSlash === false && $posColon === false) { | 
                            
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                | 74 | 229 |  | 			$invalidPos = \strlen($id); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 5 |  | 		} elseif ($posSlash === false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 211 |  | 			$invalidPos = $posColon; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 41 |  | 		} elseif ($posColon === false) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 41 |  | 			$invalidPos = $posSlash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 165 |  | 		} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 			$invalidPos = \min($posSlash, $posColon); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 229 |  | 		// Find the last @ before $invalidPos | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 229 |  | 		$pos = $lastAtPos = 0; | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 85 | 229 | View Code Duplication | 		while ($lastAtPos !== false && $lastAtPos <= $invalidPos) { | 
                            
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                | 86 | 229 |  | 			$pos = $lastAtPos; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 229 |  | 			$lastAtPos = \strpos($id, '@', $pos + 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 229 |  |  | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 90 | 229 | View Code Duplication | 		if ($pos !== false) { | 
                            
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                | 91 | 229 |  | 			$user = \substr($id, 0, $pos); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 229 |  | 			$remote = \substr($id, $pos + 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 229 |  | 			$remote = $this->fixRemoteURL($remote); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 225 |  | 			if (!empty($user) && !empty($remote)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 				return [$user, $remote]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 | 4 |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 4 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 4 |  | 		$hint = $this->l->t('Invalid Federated Cloud ID'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 		throw new HintException('Invalid Federated Cloud ID', $hint); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 	 * @param string $uid | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 	 * @return Address | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 9 |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 | 9 |  | 	public function getLocalUserFederatedAddress($uid) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 | 9 |  | 		$host = $this->generateRemoteURL(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 		return new Address("{$uid}@{$host}"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 	 * generate remote URL part of federated ID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	 * @return string url of the current server | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	public function generateRemoteURL() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 		$url = $this->urlGenerator->getAbsoluteURL('/'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 		return $url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 24 |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 24 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 | 24 |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 	 * remove protocol from URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 24 |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 	 * @param string $url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 11 |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 11 |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 11 |  | 	public function removeProtocolFromUrl($url) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 11 |  | 		// replace all characters before :// and :// itself | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 11 |  | 		return \preg_replace('|^(.*?://)|', '', $url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 11 |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 11 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 11 |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 11 |  | 	 * Strips away a potential file names and trailing slashes: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 11 |  | 	 * - http://localhost | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 	 * - http://localhost/ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 11 |  | 	 * - http://localhost/index.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 6 |  | 	 * - http://localhost/index.php/s/{shareToken} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 5 |  | 	 * all return: http://localhost | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 | 18 |  | 	 * @param string $remote | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 146 |  | View Code Duplication | 	protected function fixRemoteURL($remote) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 		$remote = \str_replace('\\', '/', $remote); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 		if ($fileNamePosition = \strpos($remote, '/index.php')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 			$remote = \substr($remote, 0, $fileNamePosition); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 		$remote = \rtrim($remote, '/'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 | 27 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 27 |  | 		return $remote; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 | 4 |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 155 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 156 |  |  |  | 
            
                        
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.