| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * @author Victor Dubiniuk <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @copyright Copyright (c) 2015, ownCloud, Inc. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @license AGPL-3.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * This code is free software: you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * it under the terms of the GNU Affero General Public License, version 3, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * as published by the Free Software Foundation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * GNU Affero General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * You should have received a copy of the GNU Affero General Public License, version 3, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * along with this program.  If not, see <http://www.gnu.org/licenses/> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | namespace Owncloud\Updater\Utils; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use GuzzleHttp\Client; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use Owncloud\Updater\Utils\Feed; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | class Fetcher { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	const DEFAULT_BASE_URL = 'https://updates.owncloud.com/server/'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	 * @var Locator $locator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	protected $locator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	 * @var ConfigReader $configReader | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	protected $configReader; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 	 * @var Client $httpClient | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	protected $httpClient; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	protected $requiredFeedEntries = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 		'version', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 		'versionstring', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 		'url' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	 * Constructor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 * @param Client $httpClient | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	 * @param Locator $locator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	 * @param ConfigReader $configReader | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 3 |  | 	public function __construct(Client $httpClient, Locator $locator, ConfigReader $configReader){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 3 |  | 		$this->httpClient = $httpClient; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 3 |  | 		$this->locator = $locator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 3 |  | 		$this->configReader = $configReader; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 3 |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	 * Download new owncloud package | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	 * @param Feed $feed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	 * @param Callable $onProgress | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	 * @throws \UnexpectedValueException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	public function getOwncloud(Feed $feed, callable $onProgress){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 		if ($feed->isValid()){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 			$downloadPath = $this->getBaseDownloadPath($feed); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 			if (!is_writable(dirname($downloadPath))){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 				throw new \Exception(dirname($downloadPath) . ' is not writable.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 			$url = $feed->getUrl(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 			$request = $this->httpClient->createRequest( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 					'GET', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 					$url, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 					[ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 						'save_to' => $downloadPath, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 						'timeout' => 600 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 					] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 			); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 			$request->getEmitter()->on('progress', $onProgress); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 			$response = $this->httpClient->send($request); | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 87 |  | View Code Duplication | 			if ($response->getStatusCode() !== 200){ | 
                            
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                | 88 |  |  | 				throw new \UnexpectedValueException('Failed to download ' . $url . '. Server responded with ' . $response->getStatusCode() . ' instead of 200.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 	 * Produce a local path to save the package to | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	 * @param Feed $feed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 	public function getBaseDownloadPath(Feed $feed){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 		$basePath = $this->locator->getDownloadBaseDir(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 		return $basePath . '/' . $feed->getDownloadedFileName(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 	 * Get md5 sum for the package | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	 * @param Feed $feed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 	public function getMd5(Feed $feed){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 		$fullChecksum = $this->download($feed->getChecksumUrl()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 		// we got smth like "5776cbd0a95637ade4b2c0d8694d8fca  -" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 		//strip trailing space & dash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 		return substr($fullChecksum, 0, 32); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	 * Read update feed for new releases | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	 * @return Feed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 3 |  | 	public function getFeed(){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 | 3 |  | 		$url = $this->getFeedUrl(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 3 |  | 		$xml = $this->download($url); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 3 |  | 		$tmp = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 | 3 |  | 		if ($xml){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 2 |  | 			$loadEntities = libxml_disable_entity_loader(true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 2 |  | 			$data = @simplexml_load_string($xml); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 2 |  | 			libxml_disable_entity_loader($loadEntities); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 2 |  | 			if ($data !== false){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 1 |  | 				$tmp['version'] = (string) $data->version; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 1 |  | 				$tmp['versionstring'] = (string) $data->versionstring; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 1 |  | 				$tmp['url'] = (string) $data->url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 | 1 |  | 				$tmp['web'] = (string) $data->web; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 1 |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 2 |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 3 |  | 		return new Feed($tmp); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 3 |  | 	public function getUpdateChannel(){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 3 |  | 		return $this->configReader->getByPath('apps.core.OC_Channel'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 	 * Produce complete feed URL | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 	 * @return string | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 145 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 146 | 3 |  | 	protected function getFeedUrl(){ | 
            
                                                                        
                            
            
                                    
            
            
                | 147 | 3 |  | 		$currentVersion = $this->configReader->getByPath('system.version'); | 
            
                                                                        
                            
            
                                    
            
            
                | 148 | 3 |  | 		$version = explode('.', $currentVersion); | 
            
                                                                        
                            
            
                                    
            
            
                | 149 | 3 |  | 		$version['installed'] = $this->configReader->getByPath('apps.core.installedat'); | 
            
                                                                        
                            
            
                                    
            
            
                | 150 | 3 |  | 		$version['updated'] = $this->configReader->getByPath('apps.core.lastupdatedat'); | 
            
                                                                        
                            
            
                                    
            
            
                | 151 | 3 |  | 		$version['updatechannel'] = $this->getUpdateChannel(); | 
            
                                                                        
                            
            
                                    
            
            
                | 152 | 3 |  | 		$version['edition'] = $this->configReader->getEdition(); | 
            
                                                                        
                            
            
                                    
            
            
                | 153 | 3 |  | 		$version['build'] = $this->locator->getBuild(); | 
            
                                                                        
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 155 | 3 |  | 		$url = self::DEFAULT_BASE_URL . '?version=' . implode('x', $version); | 
            
                                                                        
                            
            
                                    
            
            
                | 156 | 3 |  | 		return $url; | 
            
                                                                        
                            
            
                                    
            
            
                | 157 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 	 * Get URL content | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 	 * @param string $url | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 	 * @throws \UnexpectedValueException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 3 |  | 	protected function download($url){ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 3 |  | 		$response = $this->httpClient->get($url, ['timeout' => 600]); | 
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 167 | 3 | View Code Duplication | 		if ($response->getStatusCode() !== 200){ | 
                            
                    |  |  |  | 
                                                                                        
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                | 168 |  |  | 			throw new \UnexpectedValueException('Failed to download ' . $url . '. Server responded with ' . $response->getStatusCode() . ' instead of 200.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 | 3 |  | 		return $response->getBody()->getContents(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 173 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 174 |  |  |  | 
            
                        
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.