| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * @author Arthur Schiwon <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * @author Frank Karlitschek <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @author Joas Schilling <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @author Lukas Reschke <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @author Morris Jobke <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @author Robin Appelman <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @author Steffen Lindner <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @author Thomas Müller <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @author Victor Dubiniuk <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @author Vincent Petry <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @copyright Copyright (c) 2017, ownCloud GmbH | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * @license AGPL-3.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * This code is free software: you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * it under the terms of the GNU Affero General Public License, version 3, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * as published by the Free Software Foundation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * GNU Affero General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * You should have received a copy of the GNU Affero General Public License, version 3, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * along with this program.  If not, see <http://www.gnu.org/licenses/> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | namespace OC; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | use OC\Hooks\BasicEmitter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | use OC\IntegrityCheck\Checker; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | use OC_App; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | use OCP\IConfig; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | use OCP\ILogger; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | use OCP\Util; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | use Symfony\Component\EventDispatcher\GenericEvent; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  * Class that handles autoupdating of ownCloud | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  * Hooks provided in scope \OC\Updater | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  *  - maintenanceStart() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  *  - maintenanceEnd() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  *  - dbUpgrade() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  *  - failure(string $message) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | class Updater extends BasicEmitter { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	/** @var ILogger $log */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	private $log; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	/** @var IConfig */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	private $config; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	/** @var Checker */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	private $checker; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	private $logLevelNames = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 		0 => 'Debug', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 		1 => 'Info', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 		2 => 'Warning', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 		3 => 'Error', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 		4 => 'Fatal', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	 * @param IConfig $config | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	 * @param Checker $checker | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 	 * @param ILogger $log | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	public function __construct(IConfig $config, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 								Checker $checker, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 								ILogger $log = null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 		$this->log = $log; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 		$this->config = $config; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 		$this->checker = $checker; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	 * runs the update actions in maintenance mode, does not upgrade the source files | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 	 * except the main .htaccess file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 	 * @return bool true if the operation succeeded, false otherwise | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 	public function upgrade() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 		$this->emitRepairEvents(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 		$logLevel = $this->config->getSystemValue('loglevel', Util::WARN); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 		$this->emit('\OC\Updater', 'setDebugLogLevel', [ $logLevel, $this->logLevelNames[$logLevel] ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 		$this->config->setSystemValue('loglevel', Util::DEBUG); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 		$wasMaintenanceModeEnabled = $this->config->getSystemValue('maintenance', false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 		if(!$wasMaintenanceModeEnabled) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 			$this->config->setSystemValue('maintenance', true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 			$this->emit('\OC\Updater', 'maintenanceEnabled'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 		$installedVersion = $this->config->getSystemValue('version', '0.0.0'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 		$currentVersion = implode('.', Util::getVersion()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 		$this->log->debug('starting upgrade from ' . $installedVersion . ' to ' . $currentVersion, ['app' => 'core']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 		$success = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 		try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 			$this->doUpgrade($currentVersion, $installedVersion); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 		} catch (\Exception $exception) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 			$this->log->logException($exception, ['app' => 'core']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 			$this->emit('\OC\Updater', 'failure', [get_class($exception) . ': ' .$exception->getMessage()]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 			$success = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 		$this->emit('\OC\Updater', 'updateEnd', [$success]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 		if(!$wasMaintenanceModeEnabled && $success) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 			$this->config->setSystemValue('maintenance', false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 			$this->emit('\OC\Updater', 'maintenanceDisabled'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 		} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 			$this->emit('\OC\Updater', 'maintenanceActive'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 		$this->emit('\OC\Updater', 'resetLogLevel', [ $logLevel, $this->logLevelNames[$logLevel] ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 		$this->config->setSystemValue('loglevel', $logLevel); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 		$this->config->setSystemValue('installed', true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 		return $success; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 	 * Return version from which this version is allowed to upgrade from | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 	 * @return string allowed previous version | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 	private function getAllowedPreviousVersion() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 		// this should really be a JSON file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 		require \OC::$SERVERROOT . '/version.php'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 		/** @var array $OC_VersionCanBeUpgradedFrom */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 		return implode('.', $OC_VersionCanBeUpgradedFrom); | 
                            
                    |  |  |  | 
                                                                                        
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                | 141 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 	 * Return vendor from which this version was published | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  | 	 * @return string Get the vendor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 	private function getVendor() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 		// this should really be a JSON file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 		require \OC::$SERVERROOT . '/version.php'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 		/** @var string $vendor */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 		return (string) $vendor; | 
                            
                    |  |  |  | 
                                                                                        
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                | 153 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | 	 * Whether an upgrade to a specified version is possible | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | 	 * @param string $oldVersion | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | 	 * @param string $newVersion | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 	 * @param string $allowedPreviousVersion | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 	public function isUpgradePossible($oldVersion, $newVersion, $allowedPreviousVersion) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 		$allowedUpgrade =  (version_compare($allowedPreviousVersion, $oldVersion, '<=') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 			&& (version_compare($oldVersion, $newVersion, '<=') || $this->config->getSystemValue('debug', false))); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  | 		if ($allowedUpgrade) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 			return $allowedUpgrade; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 		// Upgrade not allowed, someone switching vendor? | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | 		if ($this->getVendor() !== $this->config->getAppValue('core', 'vendor', '')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 			$oldVersion = explode('.', $oldVersion); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 			$newVersion = explode('.', $newVersion); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 			return $oldVersion[0] === $newVersion[0] && $oldVersion[1] === $newVersion[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  | 	 * runs the update actions in maintenance mode, does not upgrade the source files | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | 	 * except the main .htaccess file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  | 	 * @param string $currentVersion current version to upgrade to | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  | 	 * @param string $installedVersion previous version from which to upgrade from | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  | 	 * @throws \Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  | 	private function doUpgrade($currentVersion, $installedVersion) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  | 		// Stop update if the update is over several major versions | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  | 		$allowedPreviousVersion = $this->getAllowedPreviousVersion(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  | 		if (!self::isUpgradePossible($installedVersion, $currentVersion, $allowedPreviousVersion)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  | 			throw new \Exception('Updates between multiple major versions and downgrades are unsupported.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  | 		// Update .htaccess files | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  | 		try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  | 			Setup::updateHtaccess(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  | 			Setup::protectDataDirectory(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  | 		} catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  | 			throw new \Exception($e->getMessage()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  | 		// create empty file in data dir, so we can later find | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  | 		// out that this is indeed an ownCloud data directory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  | 		// (in case it didn't exist before) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  | 		file_put_contents($this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') . '/.ocdata', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  | 		// pre-upgrade repairs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  | 		$repair = new Repair(Repair::getBeforeUpgradeRepairSteps(), \OC::$server->getEventDispatcher()); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  | 		$repair->run(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  | 		$this->doCoreUpgrade(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  | 		try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  | 			// TODO: replace with the new repair step mechanism https://github.com/owncloud/core/pull/24378 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  | 			Setup::installBackgroundJobs(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  | 		} catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  | 			throw new \Exception($e->getMessage()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  | 		// update all shipped apps | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  | 		$disabledApps = $this->checkAppsRequirements(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  | 		$this->doAppUpgrade(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  | 		// upgrade appstore apps | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  | 		$this->upgradeAppStoreApps($disabledApps); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | 		// install new shipped apps on upgrade | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  | 		OC_App::loadApps('authentication'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  | 		$errors = Installer::installShippedApps(true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  | 		foreach ($errors as $appId => $exception) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  | 			/** @var \Exception $exception */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  | 			$this->log->logException($exception, ['app' => $appId]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  | 			$this->emit('\OC\Updater', 'failure', [$appId . ': ' . $exception->getMessage()]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  | 		// post-upgrade repairs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  | 		$repair = new Repair(Repair::getRepairSteps(), \OC::$server->getEventDispatcher()); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  | 		$repair->run(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  | 		//Invalidate update feed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  | 		$this->config->setAppValue('core', 'lastupdatedat', 0); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  | 		// Check for code integrity if not disabled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  | 		if(\OC::$server->getIntegrityCodeChecker()->isCodeCheckEnforced()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  | 			$this->emit('\OC\Updater', 'startCheckCodeIntegrity'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  | 			$this->checker->runInstanceVerification(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  | 			$this->emit('\OC\Updater', 'finishedCheckCodeIntegrity'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  | 		// only set the final version if everything went well | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  | 		$this->config->setSystemValue('version', implode('.', Util::getVersion())); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  | 		$this->config->setAppValue('core', 'vendor', $this->getVendor()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  | 	protected function doCoreUpgrade() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  | 		$this->emit('\OC\Updater', 'dbUpgradeBefore'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  | 		// execute core migrations | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  | 		if (is_dir(\OC::$SERVERROOT."/core/Migrations")) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  | 			$ms = new \OC\DB\MigrationService('core', \OC::$server->getDatabaseConnection()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  | 			$ms->migrate(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  | 		$this->emit('\OC\Updater', 'dbUpgrade'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  | 	 * upgrades all apps within a major ownCloud upgrade. Also loads "priority" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  | 	 * (types authentication, filesystem, logging, in that order) afterwards. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  | 	 * @throws NeedsUpdateException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  | 	protected function doAppUpgrade() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  | 		$apps = \OC_App::getEnabledApps(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  | 		$priorityTypes = ['authentication', 'filesystem', 'logging']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  | 		$pseudoOtherType = 'other'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  | 		$stacks = [$pseudoOtherType => []]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  | 		foreach ($apps as $appId) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  | 			$priorityType = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  | 			foreach ($priorityTypes as $type) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  | 				if(!isset($stacks[$type])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  | 					$stacks[$type] = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  | 				if (\OC_App::isType($appId, $type)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  | 					$stacks[$type][] = $appId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  | 					$priorityType = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  | 					break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  | 			if (!$priorityType) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  | 				$stacks[$pseudoOtherType][] = $appId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  | 		foreach ($stacks as $type => $stack) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  | 			foreach ($stack as $appId) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  | 				if (\OC_App::shouldUpgrade($appId)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  | 					$this->emit('\OC\Updater', 'appUpgradeStarted', [$appId, \OC_App::getAppVersion($appId)]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  | 					\OC_App::updateApp($appId); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  | 					$this->emit('\OC\Updater', 'appUpgrade', [$appId, \OC_App::getAppVersion($appId)]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  | 				if($type !== $pseudoOtherType) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  | 					// load authentication, filesystem and logging apps after | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  | 					// upgrading them. Other apps my need to rely on modifying | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  | 					// user and/or filesystem aspects. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  | 					\OC_App::loadApp($appId, false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  | 	 * check if the current enabled apps are compatible with the current | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  | 	 * ownCloud version. disable them if not. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  | 	 * This is important if you upgrade ownCloud and have non ported 3rd | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  | 	 * party apps installed. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  | 	 * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  | 	 * @throws \Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  | 	private function checkAppsRequirements() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  | 		$isCoreUpgrade = $this->isCodeUpgrade(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  | 		$apps = OC_App::getEnabledApps(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  | 		$version = Util::getVersion(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  | 		$disabledApps = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  | 		foreach ($apps as $app) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  | 			// check if the app is compatible with this version of ownCloud | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  | 			$info = OC_App::getAppInfo($app); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  | 			if(!OC_App::isAppCompatible($version, $info)) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                            
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  | 				OC_App::disable($app); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  | 				$disabledApps[]= $app; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  | 				$this->emit('\OC\Updater', 'incompatibleAppDisabled', [$app]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  | 			// no need to disable any app in case this is a non-core upgrade | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  | 			if (!$isCoreUpgrade) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  | 			// shipped apps will remain enabled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  | 			if (OC_App::isShipped($app)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  | 			// authentication and session apps will remain enabled as well | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  | 			if (OC_App::isType($app, ['session', 'authentication'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  | 		return $disabledApps; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  | 	private function isCodeUpgrade() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  | 		$installedVersion = $this->config->getSystemValue('version', '0.0.0'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  | 		$currentVersion = implode('.', Util::getVersion()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  | 		if (version_compare($currentVersion, $installedVersion, '>')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  | 			return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  | 	 * @param array $disabledApps | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  | 	 * @throws \Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  | 	private function upgradeAppStoreApps(array $disabledApps) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  | 		$dispatcher = \OC::$server->getEventDispatcher(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  | 		foreach($disabledApps as $app) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 |  |  | 			try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 |  |  | 				$this->emit('\OC\Updater', 'upgradeAppStoreApp', [$app]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 |  |  | 				$dispatcher->dispatch( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 |  |  | 					self::class . '::upgradeAppStoreApps', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 |  |  | 					new GenericEvent($app) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 |  |  | 				); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 |  |  | 			} catch (\Exception $ex) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 |  |  | 				$this->log->logException($ex, ['app' => 'core']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 384 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 385 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 386 |  |  | 	 * Forward messages emitted by the repair routine | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 387 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 388 |  |  | 	private function emitRepairEvents() { | 
            
                                                                        
                            
            
                                    
            
            
                | 389 |  |  | 		$dispatcher = \OC::$server->getEventDispatcher(); | 
            
                                                                        
                            
            
                                    
            
            
                | 390 |  |  | 		$dispatcher->addListener('\OC\Repair::warning', function ($event) { | 
            
                                                                        
                            
            
                                    
            
            
                | 391 |  |  | 			if ($event instanceof GenericEvent) { | 
            
                                                                        
                            
            
                                    
            
            
                | 392 |  |  | 				$this->emit('\OC\Updater', 'repairWarning', $event->getArguments()); | 
            
                                                                        
                            
            
                                    
            
            
                | 393 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 394 |  |  | 		}); | 
            
                                                                        
                            
            
                                    
            
            
                | 395 |  |  | 		$dispatcher->addListener('\OC\Repair::error', function ($event) { | 
            
                                                                        
                            
            
                                    
            
            
                | 396 |  |  | 			if ($event instanceof GenericEvent) { | 
            
                                                                        
                            
            
                                    
            
            
                | 397 |  |  | 				$this->emit('\OC\Updater', 'repairError', $event->getArguments()); | 
            
                                                                        
                            
            
                                    
            
            
                | 398 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 399 |  |  | 		}); | 
            
                                                                        
                            
            
                                    
            
            
                | 400 |  |  | 		$dispatcher->addListener('\OC\Repair::info', function ($event) { | 
            
                                                                        
                            
            
                                    
            
            
                | 401 |  |  | 			if ($event instanceof GenericEvent) { | 
            
                                                                        
                            
            
                                    
            
            
                | 402 |  |  | 				$this->emit('\OC\Updater', 'repairInfo', $event->getArguments()); | 
            
                                                                        
                            
            
                                    
            
            
                | 403 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 404 |  |  | 		}); | 
            
                                                                        
                            
            
                                    
            
            
                | 405 |  |  | 		$dispatcher->addListener('\OC\Repair::step', function ($event) { | 
            
                                                                        
                            
            
                                    
            
            
                | 406 |  |  | 			if ($event instanceof GenericEvent) { | 
            
                                                                        
                            
            
                                    
            
            
                | 407 |  |  | 				$this->emit('\OC\Updater', 'repairStep', $event->getArguments()); | 
            
                                                                        
                            
            
                                    
            
            
                | 408 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 409 |  |  | 		}); | 
            
                                                                        
                            
            
                                    
            
            
                | 410 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 411 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 412 |  |  | } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 413 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 414 |  |  |  | 
            
                        
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.