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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* @copyright Copyright (c) 2016, Lukas Reschke <[email protected]> |
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* |
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* @author Arthur Schiwon <[email protected]> |
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* @author Brice Maron <[email protected]> |
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* @author Christoph Wurst <[email protected]> |
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* @author Frank Karlitschek <[email protected]> |
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* @author Georg Ehrke <[email protected]> |
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* @author Joas Schilling <[email protected]> |
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* @author Kamil Domanski <[email protected]> |
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* @author Lukas Reschke <[email protected]> |
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* @author Morris Jobke <[email protected]> |
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* @author Robin Appelman <[email protected]> |
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* @author root "root@oc.(none)" |
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* @author Thomas Müller <[email protected]> |
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* @author Thomas Tanghus <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OC; |
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use Doctrine\DBAL\Exception\TableExistsException; |
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use OC\App\AppStore\Bundles\Bundle; |
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use OC\App\AppStore\Fetcher\AppFetcher; |
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use OC\Archive\TAR; |
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use OC_App; |
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use OC_DB; |
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use OC_Helper; |
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use OCP\Http\Client\IClientService; |
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use OCP\IConfig; |
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use OCP\ILogger; |
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use OCP\ITempManager; |
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use phpseclib\File\X509; |
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/** |
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* This class provides the functionality needed to install, update and remove apps |
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*/ |
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class Installer { |
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/** @var AppFetcher */ |
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private $appFetcher; |
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/** @var IClientService */ |
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private $clientService; |
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/** @var ITempManager */ |
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private $tempManager; |
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/** @var ILogger */ |
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private $logger; |
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/** @var IConfig */ |
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private $config; |
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/** @var array - for caching the result of app fetcher */ |
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private $apps = null; |
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/** @var bool|null - for caching the result of the ready status */ |
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private $isInstanceReadyForUpdates = null; |
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/** |
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* @param AppFetcher $appFetcher |
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* @param IClientService $clientService |
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* @param ITempManager $tempManager |
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* @param ILogger $logger |
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* @param IConfig $config |
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*/ |
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public function __construct(AppFetcher $appFetcher, |
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IClientService $clientService, |
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ITempManager $tempManager, |
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ILogger $logger, |
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IConfig $config) { |
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$this->appFetcher = $appFetcher; |
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$this->clientService = $clientService; |
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$this->tempManager = $tempManager; |
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$this->logger = $logger; |
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$this->config = $config; |
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} |
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/** |
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* Installs an app that is located in one of the app folders already |
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* |
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* @param string $appId App to install |
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* @throws \Exception |
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* @return string app ID |
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*/ |
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public function installApp($appId) { |
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$app = \OC_App::findAppInDirectories($appId); |
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if($app === false) { |
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throw new \Exception('App not found in any app directory'); |
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} |
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$basedir = $app['path'].'/'.$appId; |
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$info = OC_App::getAppInfo($basedir.'/appinfo/info.xml', true); |
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$l = \OC::$server->getL10N('core'); |
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if(!is_array($info)) { |
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throw new \Exception( |
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$l->t('App "%s" cannot be installed because appinfo file cannot be read.', |
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[$appId] |
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) |
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); |
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} |
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$ignoreMaxApps = $this->config->getSystemValue('app_install_overwrite', []); |
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$ignoreMax = in_array($appId, $ignoreMaxApps); |
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$version = implode('.', \OCP\Util::getVersion()); |
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if (!\OC_App::isAppCompatible($version, $info, $ignoreMax)) { |
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throw new \Exception( |
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// TODO $l |
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$l->t('App "%s" cannot be installed because it is not compatible with this version of the server.', |
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[$info['name']] |
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) |
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); |
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} |
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// check for required dependencies |
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\OC_App::checkAppDependencies($this->config, $l, $info, $ignoreMax); |
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\OC_App::registerAutoloading($appId, $basedir); |
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//install the database |
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if(is_file($basedir.'/appinfo/database.xml')) { |
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if (\OC::$server->getConfig()->getAppValue($info['id'], 'installed_version') === null) { |
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OC_DB::createDbFromStructure($basedir.'/appinfo/database.xml'); |
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} else { |
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OC_DB::updateDbFromStructure($basedir.'/appinfo/database.xml'); |
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} |
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} else { |
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$ms = new \OC\DB\MigrationService($info['id'], \OC::$server->getDatabaseConnection()); |
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$ms->migrate(); |
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} |
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\OC_App::setupBackgroundJobs($info['background-jobs']); |
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//run appinfo/install.php |
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self::includeAppScript($basedir . '/appinfo/install.php'); |
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$appData = OC_App::getAppInfo($appId); |
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OC_App::executeRepairSteps($appId, $appData['repair-steps']['install']); |
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//set the installed version |
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\OC::$server->getConfig()->setAppValue($info['id'], 'installed_version', OC_App::getAppVersion($info['id'], false)); |
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\OC::$server->getConfig()->setAppValue($info['id'], 'enabled', 'no'); |
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//set remote/public handlers |
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foreach($info['remote'] as $name=>$path) { |
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\OC::$server->getConfig()->setAppValue('core', 'remote_'.$name, $info['id'].'/'.$path); |
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} |
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foreach($info['public'] as $name=>$path) { |
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\OC::$server->getConfig()->setAppValue('core', 'public_'.$name, $info['id'].'/'.$path); |
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} |
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OC_App::setAppTypes($info['id']); |
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return $info['id']; |
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} |
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/** |
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* Updates the specified app from the appstore |
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* |
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* @param string $appId |
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* @return bool |
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*/ |
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public function updateAppstoreApp($appId) { |
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if($this->isUpdateAvailable($appId)) { |
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try { |
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$this->downloadApp($appId); |
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} catch (\Exception $e) { |
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$this->logger->logException($e, [ |
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'level' => ILogger::ERROR, |
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'app' => 'core', |
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]); |
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return false; |
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} |
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return OC_App::updateApp($appId); |
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} |
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return false; |
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} |
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/** |
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* Downloads an app and puts it into the app directory |
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* |
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* @param string $appId |
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* |
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* @throws \Exception If the installation was not successful |
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*/ |
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public function downloadApp($appId) { |
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$appId = strtolower($appId); |
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$apps = $this->appFetcher->get(); |
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foreach($apps as $app) { |
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if($app['id'] === $appId) { |
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// Load the certificate |
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$certificate = new X509(); |
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$certificate->loadCA(file_get_contents(__DIR__ . '/../../resources/codesigning/root.crt')); |
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$loadedCertificate = $certificate->loadX509($app['certificate']); |
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// Verify if the certificate has been revoked |
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$crl = new X509(); |
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$crl->loadCA(file_get_contents(__DIR__ . '/../../resources/codesigning/root.crt')); |
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$crl->loadCRL(file_get_contents(__DIR__ . '/../../resources/codesigning/root.crl')); |
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if($crl->validateSignature() !== true) { |
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throw new \Exception('Could not validate CRL signature'); |
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} |
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$csn = $loadedCertificate['tbsCertificate']['serialNumber']->toString(); |
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$revoked = $crl->getRevoked($csn); |
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if ($revoked !== false) { |
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throw new \Exception( |
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sprintf( |
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'Certificate "%s" has been revoked', |
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$csn |
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) |
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); |
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} |
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// Verify if the certificate has been issued by the Nextcloud Code Authority CA |
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if($certificate->validateSignature() !== true) { |
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throw new \Exception( |
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sprintf( |
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'App with id %s has a certificate not issued by a trusted Code Signing Authority', |
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$appId |
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) |
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); |
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} |
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// Verify if the certificate is issued for the requested app id |
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$certInfo = openssl_x509_parse($app['certificate']); |
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if(!isset($certInfo['subject']['CN'])) { |
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throw new \Exception( |
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sprintf( |
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'App with id %s has a cert with no CN', |
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$appId |
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) |
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); |
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} |
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if($certInfo['subject']['CN'] !== $appId) { |
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throw new \Exception( |
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sprintf( |
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'App with id %s has a cert issued to %s', |
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$appId, |
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$certInfo['subject']['CN'] |
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) |
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); |
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} |
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// Download the release |
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$tempFile = $this->tempManager->getTemporaryFile('.tar.gz'); |
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$client = $this->clientService->newClient(); |
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$client->get($app['releases'][0]['download'], ['save_to' => $tempFile]); |
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// Check if the signature actually matches the downloaded content |
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$certificate = openssl_get_publickey($app['certificate']); |
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$verified = (bool)openssl_verify(file_get_contents($tempFile), base64_decode($app['releases'][0]['signature']), $certificate, OPENSSL_ALGO_SHA512); |
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openssl_free_key($certificate); |
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if($verified === true) { |
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// Seems to match, let's proceed |
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$extractDir = $this->tempManager->getTemporaryFolder(); |
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$archive = new TAR($tempFile); |
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if($archive) { |
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if (!$archive->extract($extractDir)) { |
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throw new \Exception( |
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sprintf( |
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'Could not extract app %s', |
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$appId |
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) |
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); |
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} |
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$allFiles = scandir($extractDir); |
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$folders = array_diff($allFiles, ['.', '..']); |
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$folders = array_values($folders); |
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if(count($folders) > 1) { |
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throw new \Exception( |
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sprintf( |
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'Extracted app %s has more than 1 folder', |
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$appId |
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) |
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); |
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} |
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// Check if appinfo/info.xml has the same app ID as well |
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$loadEntities = libxml_disable_entity_loader(false); |
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$xml = simplexml_load_file($extractDir . '/' . $folders[0] . '/appinfo/info.xml'); |
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libxml_disable_entity_loader($loadEntities); |
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if((string)$xml->id !== $appId) { |
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throw new \Exception( |
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sprintf( |
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'App for id %s has a wrong app ID in info.xml: %s', |
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$appId, |
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(string)$xml->id |
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) |
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); |
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} |
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// Check if the version is lower than before |
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$currentVersion = OC_App::getAppVersion($appId); |
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$newVersion = (string)$xml->version; |
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if(version_compare($currentVersion, $newVersion) === 1) { |
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throw new \Exception( |
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sprintf( |
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'App for id %s has version %s and tried to update to lower version %s', |
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$appId, |
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$currentVersion, |
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$newVersion |
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) |
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); |
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} |
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$baseDir = OC_App::getInstallPath() . '/' . $appId; |
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// Remove old app with the ID if existent |
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OC_Helper::rmdirr($baseDir); |
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// Move to app folder |
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if(@mkdir($baseDir)) { |
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$extractDir .= '/' . $folders[0]; |
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OC_Helper::copyr($extractDir, $baseDir); |
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} |
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OC_Helper::copyr($extractDir, $baseDir); |
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OC_Helper::rmdirr($extractDir); |
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return; |
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} else { |
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throw new \Exception( |
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sprintf( |
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'Could not extract app with ID %s to %s', |
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$appId, |
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$extractDir |
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) |
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); |
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} |
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} else { |
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// Signature does not match |
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throw new \Exception( |
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sprintf( |
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'App with id %s has invalid signature', |
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$appId |
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) |
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); |
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} |
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} |
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|
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} |
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|
|
|
355
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throw new \Exception( |
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|
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sprintf( |
357
|
|
|
'Could not download app %s', |
358
|
|
|
$appId |
359
|
|
|
) |
360
|
|
|
); |
361
|
|
|
} |
362
|
|
|
|
363
|
|
|
/** |
364
|
|
|
* Check if an update for the app is available |
365
|
|
|
* |
366
|
|
|
* @param string $appId |
367
|
|
|
* @return string|false false or the version number of the update |
368
|
|
|
*/ |
369
|
|
|
public function isUpdateAvailable($appId) { |
370
|
|
|
if ($this->isInstanceReadyForUpdates === null) { |
371
|
|
|
$installPath = OC_App::getInstallPath(); |
372
|
|
|
if ($installPath === false || $installPath === null) { |
373
|
|
|
$this->isInstanceReadyForUpdates = false; |
374
|
|
|
} else { |
375
|
|
|
$this->isInstanceReadyForUpdates = true; |
376
|
|
|
} |
377
|
|
|
} |
378
|
|
|
|
379
|
|
|
if ($this->isInstanceReadyForUpdates === false) { |
380
|
|
|
return false; |
381
|
|
|
} |
382
|
|
|
|
383
|
|
|
if ($this->isInstalledFromGit($appId) === true) { |
384
|
|
|
return false; |
385
|
|
|
} |
386
|
|
|
|
387
|
|
|
if ($this->apps === null) { |
388
|
|
|
$this->apps = $this->appFetcher->get(); |
389
|
|
|
} |
390
|
|
|
|
391
|
|
|
foreach($this->apps as $app) { |
392
|
|
|
if($app['id'] === $appId) { |
393
|
|
|
$currentVersion = OC_App::getAppVersion($appId); |
|
|
|
|
394
|
|
|
|
395
|
|
|
if (!isset($app['releases'][0]['version'])) { |
396
|
|
|
return false; |
397
|
|
|
} |
398
|
|
|
$newestVersion = $app['releases'][0]['version']; |
399
|
|
|
if ($currentVersion !== '0' && version_compare($newestVersion, $currentVersion, '>')) { |
400
|
|
|
return $newestVersion; |
401
|
|
|
} else { |
402
|
|
|
return false; |
403
|
|
|
} |
404
|
|
|
} |
405
|
|
|
} |
406
|
|
|
|
407
|
|
|
return false; |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
/** |
411
|
|
|
* Check if app has been installed from git |
412
|
|
|
* @param string $name name of the application to remove |
413
|
|
|
* @return boolean |
414
|
|
|
* |
415
|
|
|
* The function will check if the path contains a .git folder |
416
|
|
|
*/ |
417
|
|
|
private function isInstalledFromGit($appId) { |
418
|
|
|
$app = \OC_App::findAppInDirectories($appId); |
419
|
|
|
if($app === false) { |
420
|
|
|
return false; |
421
|
|
|
} |
422
|
|
|
$basedir = $app['path'].'/'.$appId; |
423
|
|
|
return file_exists($basedir.'/.git/'); |
424
|
|
|
} |
425
|
|
|
|
426
|
|
|
/** |
427
|
|
|
* Check if app is already downloaded |
428
|
|
|
* @param string $name name of the application to remove |
429
|
|
|
* @return boolean |
430
|
|
|
* |
431
|
|
|
* The function will check if the app is already downloaded in the apps repository |
432
|
|
|
*/ |
433
|
|
|
public function isDownloaded($name) { |
434
|
|
|
foreach(\OC::$APPSROOTS as $dir) { |
435
|
|
|
$dirToTest = $dir['path']; |
436
|
|
|
$dirToTest .= '/'; |
437
|
|
|
$dirToTest .= $name; |
438
|
|
|
$dirToTest .= '/'; |
439
|
|
|
|
440
|
|
|
if (is_dir($dirToTest)) { |
441
|
|
|
return true; |
442
|
|
|
} |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
return false; |
446
|
|
|
} |
447
|
|
|
|
448
|
|
|
/** |
449
|
|
|
* Removes an app |
450
|
|
|
* @param string $appId ID of the application to remove |
451
|
|
|
* @return boolean |
452
|
|
|
* |
453
|
|
|
* |
454
|
|
|
* This function works as follows |
455
|
|
|
* -# call uninstall repair steps |
456
|
|
|
* -# removing the files |
457
|
|
|
* |
458
|
|
|
* The function will not delete preferences, tables and the configuration, |
459
|
|
|
* this has to be done by the function oc_app_uninstall(). |
460
|
|
|
*/ |
461
|
|
|
public function removeApp($appId) { |
462
|
|
|
if($this->isDownloaded( $appId )) { |
463
|
|
|
if (\OC::$server->getAppManager()->isShipped($appId)) { |
464
|
|
|
return false; |
465
|
|
|
} |
466
|
|
|
$appDir = OC_App::getInstallPath() . '/' . $appId; |
|
|
|
|
467
|
|
|
OC_Helper::rmdirr($appDir); |
468
|
|
|
return true; |
469
|
|
|
}else{ |
470
|
|
|
\OCP\Util::writeLog('core', 'can\'t remove app '.$appId.'. It is not installed.', ILogger::ERROR); |
|
|
|
|
471
|
|
|
|
472
|
|
|
return false; |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
} |
476
|
|
|
|
477
|
|
|
/** |
478
|
|
|
* Installs the app within the bundle and marks the bundle as installed |
479
|
|
|
* |
480
|
|
|
* @param Bundle $bundle |
481
|
|
|
* @throws \Exception If app could not get installed |
482
|
|
|
*/ |
483
|
|
|
public function installAppBundle(Bundle $bundle) { |
484
|
|
|
$appIds = $bundle->getAppIdentifiers(); |
485
|
|
|
foreach($appIds as $appId) { |
486
|
|
|
if(!$this->isDownloaded($appId)) { |
487
|
|
|
$this->downloadApp($appId); |
488
|
|
|
} |
489
|
|
|
$this->installApp($appId); |
490
|
|
|
$app = new OC_App(); |
491
|
|
|
$app->enable($appId); |
492
|
|
|
} |
493
|
|
|
$bundles = json_decode($this->config->getAppValue('core', 'installed.bundles', json_encode([])), true); |
494
|
|
|
$bundles[] = $bundle->getIdentifier(); |
495
|
|
|
$this->config->setAppValue('core', 'installed.bundles', json_encode($bundles)); |
496
|
|
|
} |
497
|
|
|
|
498
|
|
|
/** |
499
|
|
|
* Installs shipped apps |
500
|
|
|
* |
501
|
|
|
* This function installs all apps found in the 'apps' directory that should be enabled by default; |
502
|
|
|
* @param bool $softErrors When updating we ignore errors and simply log them, better to have a |
503
|
|
|
* working ownCloud at the end instead of an aborted update. |
504
|
|
|
* @return array Array of error messages (appid => Exception) |
505
|
|
|
*/ |
506
|
|
|
public static function installShippedApps($softErrors = false) { |
507
|
|
|
$appManager = \OC::$server->getAppManager(); |
508
|
|
|
$config = \OC::$server->getConfig(); |
509
|
|
|
$errors = []; |
510
|
|
|
foreach(\OC::$APPSROOTS as $app_dir) { |
511
|
|
|
if($dir = opendir( $app_dir['path'] )) { |
512
|
|
|
while( false !== ( $filename = readdir( $dir ))) { |
513
|
|
|
if( $filename[0] !== '.' and is_dir($app_dir['path']."/$filename") ) { |
514
|
|
|
if( file_exists( $app_dir['path']."/$filename/appinfo/info.xml" )) { |
515
|
|
|
if($config->getAppValue($filename, "installed_version", null) === null) { |
516
|
|
|
$info=OC_App::getAppInfo($filename); |
|
|
|
|
517
|
|
|
$enabled = isset($info['default_enable']); |
518
|
|
|
if (($enabled || in_array($filename, $appManager->getAlwaysEnabledApps())) |
519
|
|
|
&& $config->getAppValue($filename, 'enabled') !== 'no') { |
520
|
|
|
if ($softErrors) { |
521
|
|
|
try { |
522
|
|
|
Installer::installShippedApp($filename); |
523
|
|
|
} catch (HintException $e) { |
524
|
|
|
if ($e->getPrevious() instanceof TableExistsException) { |
525
|
|
|
$errors[$filename] = $e; |
526
|
|
|
continue; |
527
|
|
|
} |
528
|
|
|
throw $e; |
529
|
|
|
} |
530
|
|
|
} else { |
531
|
|
|
Installer::installShippedApp($filename); |
532
|
|
|
} |
533
|
|
|
$config->setAppValue($filename, 'enabled', 'yes'); |
534
|
|
|
} |
535
|
|
|
} |
536
|
|
|
} |
537
|
|
|
} |
538
|
|
|
} |
539
|
|
|
closedir( $dir ); |
540
|
|
|
} |
541
|
|
|
} |
542
|
|
|
|
543
|
|
|
return $errors; |
544
|
|
|
} |
545
|
|
|
|
546
|
|
|
/** |
547
|
|
|
* install an app already placed in the app folder |
548
|
|
|
* @param string $app id of the app to install |
549
|
|
|
* @return integer |
550
|
|
|
*/ |
551
|
|
|
public static function installShippedApp($app) { |
552
|
|
|
//install the database |
553
|
|
|
$appPath = OC_App::getAppPath($app); |
554
|
|
|
\OC_App::registerAutoloading($app, $appPath); |
555
|
|
|
|
556
|
|
|
if(is_file("$appPath/appinfo/database.xml")) { |
557
|
|
|
try { |
558
|
|
|
OC_DB::createDbFromStructure("$appPath/appinfo/database.xml"); |
559
|
|
|
} catch (TableExistsException $e) { |
560
|
|
|
throw new HintException( |
561
|
|
|
'Failed to enable app ' . $app, |
562
|
|
|
'Please ask for help via one of our <a href="https://nextcloud.com/support/" target="_blank" rel="noreferrer noopener">support channels</a>.', |
563
|
|
|
0, $e |
564
|
|
|
); |
565
|
|
|
} |
566
|
|
|
} else { |
567
|
|
|
$ms = new \OC\DB\MigrationService($app, \OC::$server->getDatabaseConnection()); |
568
|
|
|
$ms->migrate(); |
569
|
|
|
} |
570
|
|
|
|
571
|
|
|
//run appinfo/install.php |
572
|
|
|
self::includeAppScript("$appPath/appinfo/install.php"); |
573
|
|
|
|
574
|
|
|
$info = OC_App::getAppInfo($app); |
|
|
|
|
575
|
|
|
if (is_null($info)) { |
576
|
|
|
return false; |
|
|
|
|
577
|
|
|
} |
578
|
|
|
\OC_App::setupBackgroundJobs($info['background-jobs']); |
579
|
|
|
|
580
|
|
|
OC_App::executeRepairSteps($app, $info['repair-steps']['install']); |
581
|
|
|
|
582
|
|
|
$config = \OC::$server->getConfig(); |
583
|
|
|
|
584
|
|
|
$config->setAppValue($app, 'installed_version', OC_App::getAppVersion($app)); |
|
|
|
|
585
|
|
|
if (array_key_exists('ocsid', $info)) { |
586
|
|
|
$config->setAppValue($app, 'ocsid', $info['ocsid']); |
587
|
|
|
} |
588
|
|
|
|
589
|
|
|
//set remote/public handlers |
590
|
|
|
foreach($info['remote'] as $name=>$path) { |
591
|
|
|
$config->setAppValue('core', 'remote_'.$name, $app.'/'.$path); |
592
|
|
|
} |
593
|
|
|
foreach($info['public'] as $name=>$path) { |
594
|
|
|
$config->setAppValue('core', 'public_'.$name, $app.'/'.$path); |
595
|
|
|
} |
596
|
|
|
|
597
|
|
|
OC_App::setAppTypes($info['id']); |
598
|
|
|
|
599
|
|
|
return $info['id']; |
600
|
|
|
} |
601
|
|
|
|
602
|
|
|
/** |
603
|
|
|
* @param string $script |
604
|
|
|
*/ |
605
|
|
|
private static function includeAppScript($script) { |
606
|
|
|
if ( file_exists($script) ){ |
607
|
|
|
include $script; |
608
|
|
|
} |
609
|
|
|
} |
610
|
|
|
} |
611
|
|
|
|
This function has been deprecated. The supplier of the function has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the function will be removed and what other function to use instead.