* * @author Arthur Schiwon * @author Frank Karlitschek * @author Joas Schilling * @author Lukas Reschke * @author Morris Jobke * @author Robin Appelman * @author Steffen Lindner * @author Thomas Müller * @author Victor Dubiniuk * @author Vincent Petry * * @license AGPL-3.0 * * This code is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, version 3, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License, version 3, * along with this program. If not, see * */ namespace OC; use OC\DB\MigrationService; use OC\Hooks\BasicEmitter; use OC\IntegrityCheck\Checker; use OC_App; use OCP\IConfig; use OCP\ILogger; use OCP\Util; use Symfony\Component\EventDispatcher\GenericEvent; /** * Class that handles autoupdating of ownCloud * * Hooks provided in scope \OC\Updater * - maintenanceStart() * - maintenanceEnd() * - dbUpgrade() * - failure(string $message) */ class Updater extends BasicEmitter { /** @var ILogger $log */ private $log; /** @var IConfig */ private $config; /** @var Checker */ private $checker; /** @var bool */ private $skip3rdPartyAppsDisable; private $logLevelNames = [ 0 => 'Debug', 1 => 'Info', 2 => 'Warning', 3 => 'Error', 4 => 'Fatal', ]; /** * @param IConfig $config * @param Checker $checker * @param ILogger $log */ public function __construct(IConfig $config, Checker $checker, ILogger $log = null) { $this->log = $log; $this->config = $config; $this->checker = $checker; // If at least PHP 7.0.0 is used we don't need to disable apps as we catch // fatal errors and exceptions and disable the app just instead. if(version_compare(phpversion(), '7.0.0', '>=')) { $this->skip3rdPartyAppsDisable = true; } } /** * Sets whether the update disables 3rd party apps. * This can be set to true to skip the disable. * * @param bool $flag false to not disable, true otherwise */ public function setSkip3rdPartyAppsDisable($flag) { $this->skip3rdPartyAppsDisable = $flag; } /** * runs the update actions in maintenance mode, does not upgrade the source files * except the main .htaccess file * * @return bool true if the operation succeeded, false otherwise */ public function upgrade() { $this->emitRepairEvents(); $this->logAllEvents(); $logLevel = $this->config->getSystemValue('loglevel', Util::WARN); $this->emit('\OC\Updater', 'setDebugLogLevel', [ $logLevel, $this->logLevelNames[$logLevel] ]); $this->config->setSystemValue('loglevel', Util::DEBUG); $wasMaintenanceModeEnabled = $this->config->getSystemValue('maintenance', false); if(!$wasMaintenanceModeEnabled) { $this->config->setSystemValue('maintenance', true); $this->emit('\OC\Updater', 'maintenanceEnabled'); } $installedVersion = $this->config->getSystemValue('version', '0.0.0'); $currentVersion = implode('.', \OCP\Util::getVersion()); $this->log->debug('starting upgrade from ' . $installedVersion . ' to ' . $currentVersion, array('app' => 'core')); $success = true; try { $this->doUpgrade($currentVersion, $installedVersion); } catch (HintException $exception) { $this->log->logException($exception, ['app' => 'core']); $this->emit('\OC\Updater', 'failure', array($exception->getMessage() . ': ' .$exception->getHint())); $success = false; } catch (\Exception $exception) { $this->log->logException($exception, ['app' => 'core']); $this->emit('\OC\Updater', 'failure', array(get_class($exception) . ': ' .$exception->getMessage())); $success = false; } $this->emit('\OC\Updater', 'updateEnd', array($success)); if(!$wasMaintenanceModeEnabled && $success) { $this->config->setSystemValue('maintenance', false); $this->emit('\OC\Updater', 'maintenanceDisabled'); } else { $this->emit('\OC\Updater', 'maintenanceActive'); } $this->emit('\OC\Updater', 'resetLogLevel', [ $logLevel, $this->logLevelNames[$logLevel] ]); $this->config->setSystemValue('loglevel', $logLevel); $this->config->setSystemValue('installed', true); return $success; } /** * Return version from which this version is allowed to upgrade from * * @return array allowed previous versions per vendor */ private function getAllowedPreviousVersions() { // this should really be a JSON file require \OC::$SERVERROOT . '/version.php'; /** @var array $OC_VersionCanBeUpgradedFrom */ return $OC_VersionCanBeUpgradedFrom; } /** * Return vendor from which this version was published * * @return string Get the vendor */ private function getVendor() { // this should really be a JSON file require \OC::$SERVERROOT . '/version.php'; /** @var string $vendor */ return (string) $vendor; } /** * Whether an upgrade to a specified version is possible * @param string $oldVersion * @param string $newVersion * @param array $allowedPreviousVersions * @return bool */ public function isUpgradePossible($oldVersion, $newVersion, array $allowedPreviousVersions) { $version = explode('.', $oldVersion); $majorMinor = $version[0] . '.' . $version[1]; $currentVendor = $this->config->getAppValue('core', 'vendor', ''); // Vendor was not set correctly on install, so we have to white-list known versions if ($currentVendor === '') { if (in_array($oldVersion, [ '11.0.2.7', '11.0.1.2', '11.0.0.10', ], true)) { $currentVendor = 'nextcloud'; } else if (in_array($oldVersion, [ '10.0.0.12', ], true)) { $currentVendor = 'owncloud'; } } if ($currentVendor === 'nextcloud') { return isset($allowedPreviousVersions[$currentVendor][$majorMinor]) && (version_compare($oldVersion, $newVersion, '<=') || $this->config->getSystemValue('debug', false)); } // Check if the instance can be migrated return isset($allowedPreviousVersions[$currentVendor][$majorMinor]) || isset($allowedPreviousVersions[$currentVendor][$oldVersion]); } /** * runs the update actions in maintenance mode, does not upgrade the source files * except the main .htaccess file * * @param string $currentVersion current version to upgrade to * @param string $installedVersion previous version from which to upgrade from * * @throws \Exception */ private function doUpgrade($currentVersion, $installedVersion) { // Stop update if the update is over several major versions $allowedPreviousVersions = $this->getAllowedPreviousVersions(); if (!$this->isUpgradePossible($installedVersion, $currentVersion, $allowedPreviousVersions)) { throw new \Exception('Updates between multiple major versions and downgrades are unsupported.'); } // Update .htaccess files try { Setup::updateHtaccess(); Setup::protectDataDirectory(); } catch (\Exception $e) { throw new \Exception($e->getMessage()); } // create empty file in data dir, so we can later find // out that this is indeed an ownCloud data directory // (in case it didn't exist before) file_put_contents($this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') . '/.ocdata', ''); // pre-upgrade repairs $repair = new Repair(Repair::getBeforeUpgradeRepairSteps(), \OC::$server->getEventDispatcher()); $repair->run(); $this->doCoreUpgrade(); try { // TODO: replace with the new repair step mechanism https://github.com/owncloud/core/pull/24378 Setup::installBackgroundJobs(); } catch (\Exception $e) { throw new \Exception($e->getMessage()); } // update all shipped apps $this->checkAppsRequirements(); $this->doAppUpgrade(); // Update the appfetchers version so it downloads the correct list from the appstore \OC::$server->getAppFetcher()->setVersion($currentVersion); // upgrade appstore apps $this->upgradeAppStoreApps(\OC::$server->getAppManager()->getInstalledApps()); // install new shipped apps on upgrade OC_App::loadApps('authentication'); $errors = Installer::installShippedApps(true); foreach ($errors as $appId => $exception) { /** @var \Exception $exception */ $this->log->logException($exception, ['app' => $appId]); $this->emit('\OC\Updater', 'failure', [$appId . ': ' . $exception->getMessage()]); } // post-upgrade repairs $repair = new Repair(Repair::getRepairSteps(), \OC::$server->getEventDispatcher()); $repair->run(); //Invalidate update feed $this->config->setAppValue('core', 'lastupdatedat', 0); // Check for code integrity if not disabled if(\OC::$server->getIntegrityCodeChecker()->isCodeCheckEnforced()) { $this->emit('\OC\Updater', 'startCheckCodeIntegrity'); $this->checker->runInstanceVerification(); $this->emit('\OC\Updater', 'finishedCheckCodeIntegrity'); } // only set the final version if everything went well $this->config->setSystemValue('version', implode('.', Util::getVersion())); $this->config->setAppValue('core', 'vendor', $this->getVendor()); } protected function doCoreUpgrade() { $this->emit('\OC\Updater', 'dbUpgradeBefore'); // execute core migrations $ms = new MigrationService('core', \OC::$server->getDatabaseConnection()); $ms->migrate(); $this->emit('\OC\Updater', 'dbUpgrade'); } /** * @param string $version the oc version to check app compatibility with */ protected function checkAppUpgrade($version) { $apps = \OC_App::getEnabledApps(); $this->emit('\OC\Updater', 'appUpgradeCheckBefore'); foreach ($apps as $appId) { $info = \OC_App::getAppInfo($appId); $compatible = \OC_App::isAppCompatible($version, $info); $isShipped = \OC_App::isShipped($appId); if ($compatible && $isShipped && \OC_App::shouldUpgrade($appId)) { /** * FIXME: The preupdate check is performed before the database migration, otherwise database changes * are not possible anymore within it. - Consider this when touching the code. * @link https://github.com/owncloud/core/issues/10980 * @see \OC_App::updateApp */ if (file_exists(\OC_App::getAppPath($appId) . '/appinfo/preupdate.php')) { $this->includePreUpdate($appId); } if (file_exists(\OC_App::getAppPath($appId) . '/appinfo/database.xml')) { $this->emit('\OC\Updater', 'appSimulateUpdate', array($appId)); \OC_DB::simulateUpdateDbFromStructure(\OC_App::getAppPath($appId) . '/appinfo/database.xml'); } } } $this->emit('\OC\Updater', 'appUpgradeCheck'); } /** * Includes the pre-update file. Done here to prevent namespace mixups. * @param string $appId */ private function includePreUpdate($appId) { include \OC_App::getAppPath($appId) . '/appinfo/preupdate.php'; } /** * upgrades all apps within a major ownCloud upgrade. Also loads "priority" * (types authentication, filesystem, logging, in that order) afterwards. * * @throws NeedsUpdateException */ protected function doAppUpgrade() { $apps = \OC_App::getEnabledApps(); $priorityTypes = array('authentication', 'filesystem', 'logging'); $pseudoOtherType = 'other'; $stacks = array($pseudoOtherType => array()); foreach ($apps as $appId) { $priorityType = false; foreach ($priorityTypes as $type) { if(!isset($stacks[$type])) { $stacks[$type] = array(); } if (\OC_App::isType($appId, $type)) { $stacks[$type][] = $appId; $priorityType = true; break; } } if (!$priorityType) { $stacks[$pseudoOtherType][] = $appId; } } foreach ($stacks as $type => $stack) { foreach ($stack as $appId) { if (\OC_App::shouldUpgrade($appId)) { $this->emit('\OC\Updater', 'appUpgradeStarted', [$appId, \OC_App::getAppVersion($appId)]); \OC_App::updateApp($appId); $this->emit('\OC\Updater', 'appUpgrade', [$appId, \OC_App::getAppVersion($appId)]); } if($type !== $pseudoOtherType) { // load authentication, filesystem and logging apps after // upgrading them. Other apps my need to rely on modifying // user and/or filesystem aspects. \OC_App::loadApp($appId); } } } } /** * check if the current enabled apps are compatible with the current * ownCloud version. disable them if not. * This is important if you upgrade ownCloud and have non ported 3rd * party apps installed. * * @return array * @throws \Exception */ private function checkAppsRequirements() { $isCoreUpgrade = $this->isCodeUpgrade(); $apps = OC_App::getEnabledApps(); $version = Util::getVersion(); $disabledApps = []; foreach ($apps as $app) { // check if the app is compatible with this version of ownCloud $info = OC_App::getAppInfo($app); if(!OC_App::isAppCompatible($version, $info)) { if (OC_App::isShipped($app)) { throw new \UnexpectedValueException('The files of the app "' . $app . '" were not correctly replaced before running the update'); } OC_App::disable($app); $this->emit('\OC\Updater', 'incompatibleAppDisabled', array($app)); } // no need to disable any app in case this is a non-core upgrade if (!$isCoreUpgrade) { continue; } // shipped apps will remain enabled if (OC_App::isShipped($app)) { continue; } // authentication and session apps will remain enabled as well if (OC_App::isType($app, ['session', 'authentication'])) { continue; } // disable any other 3rd party apps if not overriden if(!$this->skip3rdPartyAppsDisable) { \OC_App::disable($app); $disabledApps[]= $app; $this->emit('\OC\Updater', 'thirdPartyAppDisabled', array($app)); }; } return $disabledApps; } /** * @return bool */ private function isCodeUpgrade() { $installedVersion = $this->config->getSystemValue('version', '0.0.0'); $currentVersion = implode('.', Util::getVersion()); if (version_compare($currentVersion, $installedVersion, '>')) { return true; } return false; } /** * @param array $disabledApps * @throws \Exception */ private function upgradeAppStoreApps(array $disabledApps) { foreach($disabledApps as $app) { try { $installer = new Installer( \OC::$server->getAppFetcher(), \OC::$server->getHTTPClientService(), \OC::$server->getTempManager(), $this->log, \OC::$server->getConfig() ); $this->emit('\OC\Updater', 'checkAppStoreAppBefore', [$app]); if (Installer::isUpdateAvailable($app, \OC::$server->getAppFetcher())) { $this->emit('\OC\Updater', 'upgradeAppStoreApp', [$app]); $installer->updateAppstoreApp($app); } $this->emit('\OC\Updater', 'checkAppStoreApp', [$app]); } catch (\Exception $ex) { $this->log->logException($ex, ['app' => 'core']); } } } /** * Forward messages emitted by the repair routine */ private function emitRepairEvents() { $dispatcher = \OC::$server->getEventDispatcher(); $dispatcher->addListener('\OC\Repair::warning', function ($event) { if ($event instanceof GenericEvent) { $this->emit('\OC\Updater', 'repairWarning', $event->getArguments()); } }); $dispatcher->addListener('\OC\Repair::error', function ($event) { if ($event instanceof GenericEvent) { $this->emit('\OC\Updater', 'repairError', $event->getArguments()); } }); $dispatcher->addListener('\OC\Repair::info', function ($event) { if ($event instanceof GenericEvent) { $this->emit('\OC\Updater', 'repairInfo', $event->getArguments()); } }); $dispatcher->addListener('\OC\Repair::step', function ($event) { if ($event instanceof GenericEvent) { $this->emit('\OC\Updater', 'repairStep', $event->getArguments()); } }); } private function logAllEvents() { $log = $this->log; $dispatcher = \OC::$server->getEventDispatcher(); $dispatcher->addListener('\OC\DB\Migrator::executeSql', function($event) use ($log) { if (!$event instanceof GenericEvent) { return; } $log->info('\OC\DB\Migrator::executeSql: ' . $event->getSubject() . ' (' . $event->getArgument(0) . ' of ' . $event->getArgument(1) . ')', ['app' => 'updater']); }); $dispatcher->addListener('\OC\DB\Migrator::checkTable', function($event) use ($log) { if (!$event instanceof GenericEvent) { return; } $log->info('\OC\DB\Migrator::checkTable: ' . $event->getSubject() . ' (' . $event->getArgument(0) . ' of ' . $event->getArgument(1) . ')', ['app' => 'updater']); }); $repairListener = function($event) use ($log) { if (!$event instanceof GenericEvent) { return; } switch ($event->getSubject()) { case '\OC\Repair::startProgress': $log->info('\OC\Repair::startProgress: Starting ... ' . $event->getArgument(1) . ' (' . $event->getArgument(0) . ')', ['app' => 'updater']); break; case '\OC\Repair::advance': $desc = $event->getArgument(1); if (empty($desc)) { $desc = ''; } $log->info('\OC\Repair::advance: ' . $desc . ' (' . $event->getArgument(0) . ')', ['app' => 'updater']); break; case '\OC\Repair::finishProgress': $log->info('\OC\Repair::finishProgress', ['app' => 'updater']); break; case '\OC\Repair::step': $log->info('\OC\Repair::step: Repair step: ' . $event->getArgument(0), ['app' => 'updater']); break; case '\OC\Repair::info': $log->info('\OC\Repair::info: Repair info: ' . $event->getArgument(0), ['app' => 'updater']); break; case '\OC\Repair::warning': $log->warning('\OC\Repair::warning: Repair warning: ' . $event->getArgument(0), ['app' => 'updater']); break; case '\OC\Repair::error': $log->error('\OC\Repair::error: Repair error: ' . $event->getArgument(0), ['app' => 'updater']); break; } }; $dispatcher->addListener('\OC\Repair::startProgress', $repairListener); $dispatcher->addListener('\OC\Repair::advance', $repairListener); $dispatcher->addListener('\OC\Repair::finishProgress', $repairListener); $dispatcher->addListener('\OC\Repair::step', $repairListener); $dispatcher->addListener('\OC\Repair::info', $repairListener); $dispatcher->addListener('\OC\Repair::warning', $repairListener); $dispatcher->addListener('\OC\Repair::error', $repairListener); $this->listen('\OC\Updater', 'maintenanceEnabled', function () use($log) { $log->info('\OC\Updater::maintenanceEnabled: Turned on maintenance mode', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'maintenanceDisabled', function () use($log) { $log->info('\OC\Updater::maintenanceDisabled: Turned off maintenance mode', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'maintenanceActive', function () use($log) { $log->info('\OC\Updater::maintenanceActive: Maintenance mode is kept active', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'updateEnd', function ($success) use($log) { if ($success) { $log->info('\OC\Updater::updateEnd: Update successful', ['app' => 'updater']); } else { $log->error('\OC\Updater::updateEnd: Update failed', ['app' => 'updater']); } }); $this->listen('\OC\Updater', 'dbUpgradeBefore', function () use($log) { $log->info('\OC\Updater::dbUpgradeBefore: Updating database schema', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'dbUpgrade', function () use($log) { $log->info('\OC\Updater::dbUpgrade: Updated database', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'dbSimulateUpgradeBefore', function () use($log) { $log->info('\OC\Updater::dbSimulateUpgradeBefore: Checking whether the database schema can be updated (this can take a long time depending on the database size)', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'dbSimulateUpgrade', function () use($log) { $log->info('\OC\Updater::dbSimulateUpgrade: Checked database schema update', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'incompatibleAppDisabled', function ($app) use($log) { $log->info('\OC\Updater::incompatibleAppDisabled: Disabled incompatible app: ' . $app, ['app' => 'updater']); }); $this->listen('\OC\Updater', 'thirdPartyAppDisabled', function ($app) use ($log) { $log->info('\OC\Updater::thirdPartyAppDisabled: Disabled 3rd-party app: ' . $app, ['app' => 'updater']); }); $this->listen('\OC\Updater', 'checkAppStoreAppBefore', function ($app) use($log) { $log->info('\OC\Updater::checkAppStoreAppBefore: Checking for update of app "' . $app . '" in appstore', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'upgradeAppStoreApp', function ($app) use($log) { $log->info('\OC\Updater::upgradeAppStoreApp: Update app "' . $app . '" from appstore', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'checkAppStoreApp', function ($app) use($log) { $log->info('\OC\Updater::checkAppStoreApp: Checked for update of app "' . $app . '" in appstore', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'appUpgradeCheckBefore', function () use ($log) { $log->info('\OC\Updater::appUpgradeCheckBefore: Checking updates of apps', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'appSimulateUpdate', function ($app) use ($log) { $log->info('\OC\Updater::appSimulateUpdate: Checking whether the database schema for <' . $app . '> can be updated (this can take a long time depending on the database size)', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'appUpgradeCheck', function () use ($log) { $log->info('\OC\Updater::appUpgradeCheck: Checked database schema update for apps', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'appUpgradeStarted', function ($app) use ($log) { $log->info('\OC\Updater::appUpgradeStarted: Updating <' . $app . '> ...', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'appUpgrade', function ($app, $version) use ($log) { $log->info('\OC\Updater::appUpgrade: Updated <' . $app . '> to ' . $version, ['app' => 'updater']); }); $this->listen('\OC\Updater', 'failure', function ($message) use($log) { $log->error('\OC\Updater::failure: ' . $message, ['app' => 'updater']); }); $this->listen('\OC\Updater', 'setDebugLogLevel', function () use($log) { $log->info('\OC\Updater::setDebugLogLevel: Set log level to debug', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'resetLogLevel', function ($logLevel, $logLevelName) use($log) { $log->info('\OC\Updater::resetLogLevel: Reset log level to ' . $logLevelName . '(' . $logLevel . ')', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'startCheckCodeIntegrity', function () use($log) { $log->info('\OC\Updater::startCheckCodeIntegrity: Starting code integrity check...', ['app' => 'updater']); }); $this->listen('\OC\Updater', 'finishedCheckCodeIntegrity', function () use($log) { $log->info('\OC\Updater::finishedCheckCodeIntegrity: Finished code integrity check', ['app' => 'updater']); }); } }