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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @copyright Copyright (c) 2016, Lukas Reschke <lukas@statuscode.ch>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Bjoern Schiessle <bjoern@schiessle.org>
* @author Frank Karlitschek <frank@karlitschek.de>
* @author Joas Schilling <coding@schilljs.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Steffen Lindner <mail@steffen-lindner.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Victor Dubiniuk <dubiniuk@owncloud.com>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @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 <http://www.gnu.org/licenses/>
*
*/
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 Installer */
private $installer;
/** @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
* @param Installer $installer
*/
public function __construct(IConfig $config,
Checker $checker,
ILogger $log = null,
Installer $installer) {
$this->log = $log;
$this->config = $config;
$this->checker = $checker;
$this->installer = $installer;
// 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)) {
$currentVendor = 'nextcloud';
} else if (isset($allowedPreviousVersions['owncloud'][$oldVersion])) {
$currentVendor = 'owncloud';
}
}
if ($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');
$appManager = \OC::$server->getAppManager();
foreach ($apps as $appId) {
$info = \OC_App::getAppInfo($appId);
$compatible = \OC_App::isAppCompatible($version, $info);
$isShipped = $appManager->isShipped($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 = [];
$appManager = \OC::$server->getAppManager();
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, $info)) {
if ($appManager->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 (!$isCoreUpgrade) {
continue;
}
// shipped apps will remain enabled
if ($appManager->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 {
$this->emit('\OC\Updater', 'checkAppStoreAppBefore', [$app]);
if ($this->installer->isUpdateAvailable($app)) {
$this->emit('\OC\Updater', 'upgradeAppStoreApp', [$app]);
$this->installer->updateAppstoreApp($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']);
});
}
}