nextcloud / server

public.php

Indentation +49 added lines, -49 removed lines

@@ -33,62 +33,62 @@
 require_once __DIR__ . '/lib/versioncheck.php';
 
 try {
-	require_once __DIR__ . '/lib/base.php';
-	if (\OCP\Util::needUpgrade()) {
-		// since the behavior of apps or remotes are unpredictable during
-		// an upgrade, return a 503 directly
-		OC_Template::printErrorPage('Service unavailable', '', 503);
-		exit;
-	}
+    require_once __DIR__ . '/lib/base.php';
+    if (\OCP\Util::needUpgrade()) {
+        // since the behavior of apps or remotes are unpredictable during
+        // an upgrade, return a 503 directly
+        OC_Template::printErrorPage('Service unavailable', '', 503);
+        exit;
+    }
 
-	OC::checkMaintenanceMode(\OC::$server->get(\OC\SystemConfig::class));
-	$request = \OC::$server->getRequest();
-	$pathInfo = $request->getPathInfo();
+    OC::checkMaintenanceMode(\OC::$server->get(\OC\SystemConfig::class));
+    $request = \OC::$server->getRequest();
+    $pathInfo = $request->getPathInfo();
 
-	if (!$pathInfo && $request->getParam('service', '') === '') {
-		http_response_code(404);
-		exit;
-	} elseif ($request->getParam('service', '')) {
-		$service = $request->getParam('service', '');
-	} else {
-		$pathInfo = trim($pathInfo, '/');
-		[$service] = explode('/', $pathInfo);
-	}
-	$file = \OC::$server->getConfig()->getAppValue('core', 'public_' . strip_tags($service));
-	if ($file === '') {
-		http_response_code(404);
-		exit;
-	}
+    if (!$pathInfo && $request->getParam('service', '') === '') {
+        http_response_code(404);
+        exit;
+    } elseif ($request->getParam('service', '')) {
+        $service = $request->getParam('service', '');
+    } else {
+        $pathInfo = trim($pathInfo, '/');
+        [$service] = explode('/', $pathInfo);
+    }
+    $file = \OC::$server->getConfig()->getAppValue('core', 'public_' . strip_tags($service));
+    if ($file === '') {
+        http_response_code(404);
+        exit;
+    }
 
-	$parts = explode('/', $file, 2);
-	$app = $parts[0];
+    $parts = explode('/', $file, 2);
+    $app = $parts[0];
 
-	// Load all required applications
-	\OC::$REQUESTEDAPP = $app;
-	OC_App::loadApps(['authentication']);
-	OC_App::loadApps(['extended_authentication']);
-	OC_App::loadApps(['filesystem', 'logging']);
+    // Load all required applications
+    \OC::$REQUESTEDAPP = $app;
+    OC_App::loadApps(['authentication']);
+    OC_App::loadApps(['extended_authentication']);
+    OC_App::loadApps(['filesystem', 'logging']);
 
-	if (!\OC::$server->getAppManager()->isInstalled($app)) {
-		http_response_code(404);
-		exit;
-	}
-	OC_App::loadApp($app);
-	OC_User::setIncognitoMode(true);
+    if (!\OC::$server->getAppManager()->isInstalled($app)) {
+        http_response_code(404);
+        exit;
+    }
+    OC_App::loadApp($app);
+    OC_User::setIncognitoMode(true);
 
-	$baseuri = OC::$WEBROOT . '/public.php/' . $service . '/';
+    $baseuri = OC::$WEBROOT . '/public.php/' . $service . '/';
 
-	require_once OC_App::getAppPath($app) . '/' . $parts[1];
+    require_once OC_App::getAppPath($app) . '/' . $parts[1];
 } catch (Exception $ex) {
-	$status = 500;
-	if ($ex instanceof \OC\ServiceUnavailableException) {
-		$status = 503;
-	}
-	//show the user a detailed error page
-	\OC::$server->getLogger()->logException($ex, ['app' => 'public']);
-	OC_Template::printExceptionErrorPage($ex, $status);
+    $status = 500;
+    if ($ex instanceof \OC\ServiceUnavailableException) {
+        $status = 503;
+    }
+    //show the user a detailed error page
+    \OC::$server->getLogger()->logException($ex, ['app' => 'public']);
+    OC_Template::printExceptionErrorPage($ex, $status);
 } catch (Error $ex) {
-	//show the user a detailed error page
-	\OC::$server->getLogger()->logException($ex, ['app' => 'public']);
-	OC_Template::printExceptionErrorPage($ex, 500);
+    //show the user a detailed error page
+    \OC::$server->getLogger()->logException($ex, ['app' => 'public']);
+    OC_Template::printExceptionErrorPage($ex, 500);
 }

remote.php

Indentation +102 added lines, -102 removed lines

@@ -50,47 +50,47 @@ 
  * @param Exception|Error $e
  */
 function handleException($e) {
-	try {
-		$request = \OC::$server->getRequest();
-		// in case the request content type is text/xml - we assume it's a WebDAV request
-		$isXmlContentType = strpos($request->getHeader('Content-Type'), 'text/xml');
-		if ($isXmlContentType === 0) {
-			// fire up a simple server to properly process the exception
-			$server = new Server();
-			if (!($e instanceof RemoteException)) {
-				// we shall not log on RemoteException
-				$server->addPlugin(new ExceptionLoggerPlugin('webdav', \OC::$server->get(LoggerInterface::class)));
-			}
-			$server->on('beforeMethod:*', function () use ($e) {
-				if ($e instanceof RemoteException) {
-					switch ($e->getCode()) {
-						case 503:
-							throw new ServiceUnavailable($e->getMessage());
-						case 404:
-							throw new \Sabre\DAV\Exception\NotFound($e->getMessage());
-					}
-				}
-				$class = get_class($e);
-				$msg = $e->getMessage();
-				throw new ServiceUnavailable("$class: $msg");
-			});
-			$server->exec();
-		} else {
-			$statusCode = 500;
-			if ($e instanceof \OC\ServiceUnavailableException) {
-				$statusCode = 503;
-			}
-			if ($e instanceof RemoteException) {
-				// we shall not log on RemoteException
-				OC_Template::printErrorPage($e->getMessage(), '', $e->getCode());
-			} else {
-				\OC::$server->get(LoggerInterface::class)->error($e->getMessage(), ['app' => 'remote','exception' => $e]);
-				OC_Template::printExceptionErrorPage($e, $statusCode);
-			}
-		}
-	} catch (\Exception $e) {
-		OC_Template::printExceptionErrorPage($e, 500);
-	}
+    try {
+        $request = \OC::$server->getRequest();
+        // in case the request content type is text/xml - we assume it's a WebDAV request
+        $isXmlContentType = strpos($request->getHeader('Content-Type'), 'text/xml');
+        if ($isXmlContentType === 0) {
+            // fire up a simple server to properly process the exception
+            $server = new Server();
+            if (!($e instanceof RemoteException)) {
+                // we shall not log on RemoteException
+                $server->addPlugin(new ExceptionLoggerPlugin('webdav', \OC::$server->get(LoggerInterface::class)));
+            }
+            $server->on('beforeMethod:*', function () use ($e) {
+                if ($e instanceof RemoteException) {
+                    switch ($e->getCode()) {
+                        case 503:
+                            throw new ServiceUnavailable($e->getMessage());
+                        case 404:
+                            throw new \Sabre\DAV\Exception\NotFound($e->getMessage());
+                    }
+                }
+                $class = get_class($e);
+                $msg = $e->getMessage();
+                throw new ServiceUnavailable("$class: $msg");
+            });
+            $server->exec();
+        } else {
+            $statusCode = 500;
+            if ($e instanceof \OC\ServiceUnavailableException) {
+                $statusCode = 503;
+            }
+            if ($e instanceof RemoteException) {
+                // we shall not log on RemoteException
+                OC_Template::printErrorPage($e->getMessage(), '', $e->getCode());
+            } else {
+                \OC::$server->get(LoggerInterface::class)->error($e->getMessage(), ['app' => 'remote','exception' => $e]);
+                OC_Template::printExceptionErrorPage($e, $statusCode);
+            }
+        }
+    } catch (\Exception $e) {
+        OC_Template::printExceptionErrorPage($e, 500);
+    }
 }
 
 /**
@@ -98,80 +98,80 @@ 
  * @return string
  */
 function resolveService($service) {
-	$services = [
-		'webdav' => 'dav/appinfo/v1/webdav.php',
-		'dav' => 'dav/appinfo/v2/remote.php',
-		'caldav' => 'dav/appinfo/v1/caldav.php',
-		'calendar' => 'dav/appinfo/v1/caldav.php',
-		'carddav' => 'dav/appinfo/v1/carddav.php',
-		'contacts' => 'dav/appinfo/v1/carddav.php',
-		'files' => 'dav/appinfo/v1/webdav.php',
-		'direct' => 'dav/appinfo/v2/direct.php',
-	];
-	if (isset($services[$service])) {
-		return $services[$service];
-	}
+    $services = [
+        'webdav' => 'dav/appinfo/v1/webdav.php',
+        'dav' => 'dav/appinfo/v2/remote.php',
+        'caldav' => 'dav/appinfo/v1/caldav.php',
+        'calendar' => 'dav/appinfo/v1/caldav.php',
+        'carddav' => 'dav/appinfo/v1/carddav.php',
+        'contacts' => 'dav/appinfo/v1/carddav.php',
+        'files' => 'dav/appinfo/v1/webdav.php',
+        'direct' => 'dav/appinfo/v2/direct.php',
+    ];
+    if (isset($services[$service])) {
+        return $services[$service];
+    }
 
-	return \OC::$server->getConfig()->getAppValue('core', 'remote_' . $service);
+    return \OC::$server->getConfig()->getAppValue('core', 'remote_' . $service);
 }
 
 try {
-	require_once __DIR__ . '/lib/base.php';
+    require_once __DIR__ . '/lib/base.php';
 
-	// All resources served via the DAV endpoint should have the strictest possible
-	// policy. Exempted from this is the SabreDAV browser plugin which overwrites
-	// this policy with a softer one if debug mode is enabled.
-	header("Content-Security-Policy: default-src 'none';");
+    // All resources served via the DAV endpoint should have the strictest possible
+    // policy. Exempted from this is the SabreDAV browser plugin which overwrites
+    // this policy with a softer one if debug mode is enabled.
+    header("Content-Security-Policy: default-src 'none';");
 
-	if (\OCP\Util::needUpgrade()) {
-		// since the behavior of apps or remotes are unpredictable during
-		// an upgrade, return a 503 directly
-		throw new RemoteException('Service unavailable', 503);
-	}
+    if (\OCP\Util::needUpgrade()) {
+        // since the behavior of apps or remotes are unpredictable during
+        // an upgrade, return a 503 directly
+        throw new RemoteException('Service unavailable', 503);
+    }
 
-	$request = \OC::$server->getRequest();
-	$pathInfo = $request->getPathInfo();
-	if ($pathInfo === false || $pathInfo === '') {
-		throw new RemoteException('Path not found', 404);
-	}
-	if (!$pos = strpos($pathInfo, '/', 1)) {
-		$pos = strlen($pathInfo);
-	}
-	$service = substr($pathInfo, 1, $pos - 1);
+    $request = \OC::$server->getRequest();
+    $pathInfo = $request->getPathInfo();
+    if ($pathInfo === false || $pathInfo === '') {
+        throw new RemoteException('Path not found', 404);
+    }
+    if (!$pos = strpos($pathInfo, '/', 1)) {
+        $pos = strlen($pathInfo);
+    }
+    $service = substr($pathInfo, 1, $pos - 1);
 
-	$file = resolveService($service);
+    $file = resolveService($service);
 
-	if (is_null($file)) {
-		throw new RemoteException('Path not found', 404);
-	}
+    if (is_null($file)) {
+        throw new RemoteException('Path not found', 404);
+    }
 
-	$file = ltrim($file, '/');
+    $file = ltrim($file, '/');
 
-	$parts = explode('/', $file, 2);
-	$app = $parts[0];
+    $parts = explode('/', $file, 2);
+    $app = $parts[0];
 
-	// Load all required applications
-	\OC::$REQUESTEDAPP = $app;
-	OC_App::loadApps(['authentication']);
-	OC_App::loadApps(['extended_authentication']);
-	OC_App::loadApps(['filesystem', 'logging']);
+    // Load all required applications
+    \OC::$REQUESTEDAPP = $app;
+    OC_App::loadApps(['authentication']);
+    OC_App::loadApps(['extended_authentication']);
+    OC_App::loadApps(['filesystem', 'logging']);
 
-	switch ($app) {
-		case 'core':
-			$file = OC::$SERVERROOT .'/'. $file;
-			break;
-		default:
-			if (!\OC::$server->getAppManager()->isInstalled($app)) {
-				throw new RemoteException('App not installed: ' . $app);
-			}
-			OC_App::loadApp($app);
-			$file = OC_App::getAppPath($app) .'/'. $parts[1];
-			break;
-	}
-	$baseuri = OC::$WEBROOT . '/remote.php/'.$service.'/';
-	require_once $file;
+    switch ($app) {
+        case 'core':
+            $file = OC::$SERVERROOT .'/'. $file;
+            break;
+        default:
+            if (!\OC::$server->getAppManager()->isInstalled($app)) {
+                throw new RemoteException('App not installed: ' . $app);
+            }
+            OC_App::loadApp($app);
+            $file = OC_App::getAppPath($app) .'/'. $parts[1];
+            break;
+    }
+    $baseuri = OC::$WEBROOT . '/remote.php/'.$service.'/';
+    require_once $file;
 } catch (Exception $ex) {
-	handleException($ex);
+    handleException($ex);
 } catch (Error $e) {
-	handleException($e);
+    handleException($e);
 }

lib/private/Updater.php

Indentation +468 added lines, -468 removed lines

@@ -72,472 +72,472 @@
  *  - failure(string $message)
  */
 class Updater extends BasicEmitter {
-	/** @var LoggerInterface */
-	private $log;
-
-	/** @var IConfig */
-	private $config;
-
-	/** @var Checker */
-	private $checker;
-
-	/** @var Installer */
-	private $installer;
-
-	private $logLevelNames = [
-		0 => 'Debug',
-		1 => 'Info',
-		2 => 'Warning',
-		3 => 'Error',
-		4 => 'Fatal',
-	];
-
-	public function __construct(IConfig $config,
-								Checker $checker,
-								?LoggerInterface $log,
-								Installer $installer) {
-		$this->log = $log;
-		$this->config = $config;
-		$this->checker = $checker;
-		$this->installer = $installer;
-	}
-
-	/**
-	 * 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(): bool {
-		$this->logAllEvents();
-
-		$logLevel = $this->config->getSystemValue('loglevel', ILogger::WARN);
-		$this->emit('\OC\Updater', 'setDebugLogLevel', [ $logLevel, $this->logLevelNames[$logLevel] ]);
-		$this->config->setSystemValue('loglevel', ILogger::DEBUG);
-
-		$wasMaintenanceModeEnabled = $this->config->getSystemValueBool('maintenance');
-
-		if (!$wasMaintenanceModeEnabled) {
-			$this->config->setSystemValue('maintenance', true);
-			$this->emit('\OC\Updater', 'maintenanceEnabled');
-		}
-
-		// Clear CAN_INSTALL file if not on git
-		if (\OC_Util::getChannel() !== 'git' && is_file(\OC::$configDir.'/CAN_INSTALL')) {
-			if (!unlink(\OC::$configDir . '/CAN_INSTALL')) {
-				$this->log->error('Could not cleanup CAN_INSTALL from your config folder. Please remove this file manually.');
-			}
-		}
-
-		$installedVersion = $this->config->getSystemValue('version', '0.0.0');
-		$currentVersion = implode('.', \OCP\Util::getVersion());
-
-		$this->log->debug('starting upgrade from ' . $installedVersion . ' to ' . $currentVersion, ['app' => 'core']);
-
-		$success = true;
-		try {
-			$this->doUpgrade($currentVersion, $installedVersion);
-		} catch (HintException $exception) {
-			$this->log->error($exception->getMessage(), [
-				'exception' => $exception,
-			]);
-			$this->emit('\OC\Updater', 'failure', [$exception->getMessage() . ': ' .$exception->getHint()]);
-			$success = false;
-		} catch (\Exception $exception) {
-			$this->log->error($exception->getMessage(), [
-				'exception' => $exception,
-			]);
-			$this->emit('\OC\Updater', 'failure', [get_class($exception) . ': ' .$exception->getMessage()]);
-			$success = false;
-		}
-
-		$this->emit('\OC\Updater', 'updateEnd', [$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 $success;
-	}
-
-	/**
-	 * Return version from which this version is allowed to upgrade from
-	 *
-	 * @return array allowed previous versions per vendor
-	 */
-	private function getAllowedPreviousVersions(): array {
-		// this should really be a JSON file
-		require \OC::$SERVERROOT . '/version.php';
-		/** @var array $OC_VersionCanBeUpgradedFrom */
-		return $OC_VersionCanBeUpgradedFrom;
-	}
-
-	/**
-	 * Return vendor from which this version was published
-	 *
-	 * @return string Get the vendor
-	 */
-	private function getVendor(): string {
-		// this should really be a JSON file
-		require \OC::$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(string $oldVersion, string $newVersion, array $allowedPreviousVersions): bool {
-		$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 === '' && (
-			isset($allowedPreviousVersions['owncloud'][$oldVersion]) ||
-			isset($allowedPreviousVersions['owncloud'][$majorMinor])
-		)) {
-			$currentVendor = 'owncloud';
-			$this->config->setAppValue('core', 'vendor', $currentVendor);
-		}
-
-		if ($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(string $currentVersion, string $installedVersion): void {
-		// 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->get(\OCP\EventDispatcher\IEventDispatcher::class), \OC::$server->get(LoggerInterface::class));
-		$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);
-
-		/** @var AppManager $appManager */
-		$appManager = \OC::$server->getAppManager();
-
-		// upgrade appstore apps
-		$this->upgradeAppStoreApps($appManager->getInstalledApps());
-		$autoDisabledApps = $appManager->getAutoDisabledApps();
-		if (!empty($autoDisabledApps)) {
-			$this->upgradeAppStoreApps(array_keys($autoDisabledApps), $autoDisabledApps);
-		}
-
-		// install new shipped apps on upgrade
-		$errors = Installer::installShippedApps(true);
-		foreach ($errors as $appId => $exception) {
-			/** @var \Exception $exception */
-			$this->log->error($exception->getMessage(), [
-				'exception' => $exception,
-				'app' => $appId,
-			]);
-			$this->emit('\OC\Updater', 'failure', [$appId . ': ' . $exception->getMessage()]);
-		}
-
-		// post-upgrade repairs
-		$repair = new Repair(Repair::getRepairSteps(), \OC::$server->get(\OCP\EventDispatcher\IEventDispatcher::class), \OC::$server->get(LoggerInterface::class));
-		$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(): void {
-		$this->emit('\OC\Updater', 'dbUpgradeBefore');
-
-		// execute core migrations
-		$ms = new MigrationService('core', \OC::$server->get(Connection::class));
-		$ms->migrate();
-
-		$this->emit('\OC\Updater', 'dbUpgrade');
-	}
-
-	/**
-	 * upgrades all apps within a major ownCloud upgrade. Also loads "priority"
-	 * (types authentication, filesystem, logging, in that order) afterwards.
-	 *
-	 * @throws NeedsUpdateException
-	 */
-	protected function doAppUpgrade(): void {
-		$apps = \OC_App::getEnabledApps();
-		$priorityTypes = ['authentication', 'extended_authentication', 'filesystem', 'logging'];
-		$pseudoOtherType = 'other';
-		$stacks = [$pseudoOtherType => []];
-
-		foreach ($apps as $appId) {
-			$priorityType = false;
-			foreach ($priorityTypes as $type) {
-				if (!isset($stacks[$type])) {
-					$stacks[$type] = [];
-				}
-				if (\OC_App::isType($appId, [$type])) {
-					$stacks[$type][] = $appId;
-					$priorityType = true;
-					break;
-				}
-			}
-			if (!$priorityType) {
-				$stacks[$pseudoOtherType][] = $appId;
-			}
-		}
-		foreach (array_merge($priorityTypes, [$pseudoOtherType]) as $type) {
-			$stack = $stacks[$type];
-			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.
-	 *
-	 * @throws \Exception
-	 */
-	private function checkAppsRequirements(): void {
-		$isCoreUpgrade = $this->isCodeUpgrade();
-		$apps = OC_App::getEnabledApps();
-		$version = implode('.', Util::getVersion());
-		$appManager = \OC::$server->getAppManager();
-		foreach ($apps as $app) {
-			// check if the app is compatible with this version of Nextcloud
-			$info = $appManager->getAppInfo($app);
-			if ($info === null || !OC_App::isAppCompatible($version, $info)) {
-				if ($appManager->isShipped($app)) {
-					throw new \UnexpectedValueException('The files of the app "' . $app . '" were not correctly replaced before running the update');
-				}
-				$appManager->disableApp($app, true);
-				$this->emit('\OC\Updater', 'incompatibleAppDisabled', [$app]);
-			}
-		}
-	}
-
-	/**
-	 * @return bool
-	 */
-	private function isCodeUpgrade(): bool {
-		$installedVersion = $this->config->getSystemValue('version', '0.0.0');
-		$currentVersion = implode('.', Util::getVersion());
-		if (version_compare($currentVersion, $installedVersion, '>')) {
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * @param array $apps
-	 * @param array $previousEnableStates
-	 * @throws \Exception
-	 */
-	private function upgradeAppStoreApps(array $apps, array $previousEnableStates = []): void {
-		foreach ($apps 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]);
-
-				if (!empty($previousEnableStates)) {
-					$ocApp = new \OC_App();
-					if (!empty($previousEnableStates[$app]) && is_array($previousEnableStates[$app])) {
-						$ocApp->enable($app, $previousEnableStates[$app]);
-					} else {
-						$ocApp->enable($app);
-					}
-				}
-			} catch (\Exception $ex) {
-				$this->log->error($ex->getMessage(), [
-					'exception' => $ex,
-				]);
-			}
-		}
-	}
-
-	private function logAllEvents(): void {
-		$log = $this->log;
-
-		/** @var IEventDispatcher $dispatcher */
-		$dispatcher = \OC::$server->get(IEventDispatcher::class);
-		$dispatcher->addListener(
-			MigratorExecuteSqlEvent::class,
-			function (MigratorExecuteSqlEvent $event) use ($log): void {
-				$log->info(get_class($event).': ' . $event->getSql() . ' (' . $event->getCurrentStep() . ' of ' . $event->getMaxStep() . ')', ['app' => 'updater']);
-			}
-		);
-
-		$repairListener = function (Event $event) use ($log): void {
-			if ($event instanceof RepairStartEvent) {
-				$log->info(get_class($event).': Starting ... ' . $event->getMaxStep() .  ' (' . $event->getCurrentStepName() . ')', ['app' => 'updater']);
-			} elseif ($event instanceof RepairAdvanceEvent) {
-				$desc = $event->getDescription();
-				if (empty($desc)) {
-					$desc = '';
-				}
-				$log->info(get_class($event).': ' . $desc . ' (' . $event->getIncrement() . ')', ['app' => 'updater']);
-			} elseif ($event instanceof RepairFinishEvent) {
-				$log->info(get_class($event), ['app' => 'updater']);
-			} elseif ($event instanceof RepairStepEvent) {
-				$log->info(get_class($event).': Repair step: ' . $event->getStepName(), ['app' => 'updater']);
-			} elseif ($event instanceof RepairInfoEvent) {
-				$log->info(get_class($event).': Repair info: ' . $event->getMessage(), ['app' => 'updater']);
-			} elseif ($event instanceof RepairWarningEvent) {
-				$log->warning(get_class($event).': Repair warning: ' . $event->getMessage(), ['app' => 'updater']);
-			} elseif ($event instanceof RepairErrorEvent) {
-				$log->error(get_class($event).': Repair error: ' . $event->getMessage(), ['app' => 'updater']);
-			}
-		};
-
-		$dispatcher->addListener(RepairStartEvent::class, $repairListener);
-		$dispatcher->addListener(RepairAdvanceEvent::class, $repairListener);
-		$dispatcher->addListener(RepairFinishEvent::class, $repairListener);
-		$dispatcher->addListener(RepairStepEvent::class, $repairListener);
-		$dispatcher->addListener(RepairInfoEvent::class, $repairListener);
-		$dispatcher->addListener(RepairWarningEvent::class, $repairListener);
-		$dispatcher->addListener(RepairErrorEvent::class, $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']);
-		});
-		$this->listen('\OC\Updater', 'incompatibleAppDisabled', function ($app) use ($log) {
-			$log->info('\OC\Updater::incompatibleAppDisabled: Disabled incompatible app: ' . $app, ['app' => 'updater']);
-		});
-		$this->listen('\OC\Updater', 'checkAppStoreAppBefore', function ($app) use ($log) {
-			$log->debug('\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->debug('\OC\Updater::checkAppStoreApp: Checked for update of app "' . $app . '" in appstore', ['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']);
-		});
-		$this->listen('\OC\Updater', 'appUpgradeStarted', function ($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']);
-		});
-	}
+    /** @var LoggerInterface */
+    private $log;
+
+    /** @var IConfig */
+    private $config;
+
+    /** @var Checker */
+    private $checker;
+
+    /** @var Installer */
+    private $installer;
+
+    private $logLevelNames = [
+        0 => 'Debug',
+        1 => 'Info',
+        2 => 'Warning',
+        3 => 'Error',
+        4 => 'Fatal',
+    ];
+
+    public function __construct(IConfig $config,
+                                Checker $checker,
+                                ?LoggerInterface $log,
+                                Installer $installer) {
+        $this->log = $log;
+        $this->config = $config;
+        $this->checker = $checker;
+        $this->installer = $installer;
+    }
+
+    /**
+     * 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(): bool {
+        $this->logAllEvents();
+
+        $logLevel = $this->config->getSystemValue('loglevel', ILogger::WARN);
+        $this->emit('\OC\Updater', 'setDebugLogLevel', [ $logLevel, $this->logLevelNames[$logLevel] ]);
+        $this->config->setSystemValue('loglevel', ILogger::DEBUG);
+
+        $wasMaintenanceModeEnabled = $this->config->getSystemValueBool('maintenance');
+
+        if (!$wasMaintenanceModeEnabled) {
+            $this->config->setSystemValue('maintenance', true);
+            $this->emit('\OC\Updater', 'maintenanceEnabled');
+        }
+
+        // Clear CAN_INSTALL file if not on git
+        if (\OC_Util::getChannel() !== 'git' && is_file(\OC::$configDir.'/CAN_INSTALL')) {
+            if (!unlink(\OC::$configDir . '/CAN_INSTALL')) {
+                $this->log->error('Could not cleanup CAN_INSTALL from your config folder. Please remove this file manually.');
+            }
+        }
+
+        $installedVersion = $this->config->getSystemValue('version', '0.0.0');
+        $currentVersion = implode('.', \OCP\Util::getVersion());
+
+        $this->log->debug('starting upgrade from ' . $installedVersion . ' to ' . $currentVersion, ['app' => 'core']);
+
+        $success = true;
+        try {
+            $this->doUpgrade($currentVersion, $installedVersion);
+        } catch (HintException $exception) {
+            $this->log->error($exception->getMessage(), [
+                'exception' => $exception,
+            ]);
+            $this->emit('\OC\Updater', 'failure', [$exception->getMessage() . ': ' .$exception->getHint()]);
+            $success = false;
+        } catch (\Exception $exception) {
+            $this->log->error($exception->getMessage(), [
+                'exception' => $exception,
+            ]);
+            $this->emit('\OC\Updater', 'failure', [get_class($exception) . ': ' .$exception->getMessage()]);
+            $success = false;
+        }
+
+        $this->emit('\OC\Updater', 'updateEnd', [$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 $success;
+    }
+
+    /**
+     * Return version from which this version is allowed to upgrade from
+     *
+     * @return array allowed previous versions per vendor
+     */
+    private function getAllowedPreviousVersions(): array {
+        // this should really be a JSON file
+        require \OC::$SERVERROOT . '/version.php';
+        /** @var array $OC_VersionCanBeUpgradedFrom */
+        return $OC_VersionCanBeUpgradedFrom;
+    }
+
+    /**
+     * Return vendor from which this version was published
+     *
+     * @return string Get the vendor
+     */
+    private function getVendor(): string {
+        // this should really be a JSON file
+        require \OC::$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(string $oldVersion, string $newVersion, array $allowedPreviousVersions): bool {
+        $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 === '' && (
+            isset($allowedPreviousVersions['owncloud'][$oldVersion]) ||
+            isset($allowedPreviousVersions['owncloud'][$majorMinor])
+        )) {
+            $currentVendor = 'owncloud';
+            $this->config->setAppValue('core', 'vendor', $currentVendor);
+        }
+
+        if ($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(string $currentVersion, string $installedVersion): void {
+        // 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->get(\OCP\EventDispatcher\IEventDispatcher::class), \OC::$server->get(LoggerInterface::class));
+        $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);
+
+        /** @var AppManager $appManager */
+        $appManager = \OC::$server->getAppManager();
+
+        // upgrade appstore apps
+        $this->upgradeAppStoreApps($appManager->getInstalledApps());
+        $autoDisabledApps = $appManager->getAutoDisabledApps();
+        if (!empty($autoDisabledApps)) {
+            $this->upgradeAppStoreApps(array_keys($autoDisabledApps), $autoDisabledApps);
+        }
+
+        // install new shipped apps on upgrade
+        $errors = Installer::installShippedApps(true);
+        foreach ($errors as $appId => $exception) {
+            /** @var \Exception $exception */
+            $this->log->error($exception->getMessage(), [
+                'exception' => $exception,
+                'app' => $appId,
+            ]);
+            $this->emit('\OC\Updater', 'failure', [$appId . ': ' . $exception->getMessage()]);
+        }
+
+        // post-upgrade repairs
+        $repair = new Repair(Repair::getRepairSteps(), \OC::$server->get(\OCP\EventDispatcher\IEventDispatcher::class), \OC::$server->get(LoggerInterface::class));
+        $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(): void {
+        $this->emit('\OC\Updater', 'dbUpgradeBefore');
+
+        // execute core migrations
+        $ms = new MigrationService('core', \OC::$server->get(Connection::class));
+        $ms->migrate();
+
+        $this->emit('\OC\Updater', 'dbUpgrade');
+    }
+
+    /**
+     * upgrades all apps within a major ownCloud upgrade. Also loads "priority"
+     * (types authentication, filesystem, logging, in that order) afterwards.
+     *
+     * @throws NeedsUpdateException
+     */
+    protected function doAppUpgrade(): void {
+        $apps = \OC_App::getEnabledApps();
+        $priorityTypes = ['authentication', 'extended_authentication', 'filesystem', 'logging'];
+        $pseudoOtherType = 'other';
+        $stacks = [$pseudoOtherType => []];
+
+        foreach ($apps as $appId) {
+            $priorityType = false;
+            foreach ($priorityTypes as $type) {
+                if (!isset($stacks[$type])) {
+                    $stacks[$type] = [];
+                }
+                if (\OC_App::isType($appId, [$type])) {
+                    $stacks[$type][] = $appId;
+                    $priorityType = true;
+                    break;
+                }
+            }
+            if (!$priorityType) {
+                $stacks[$pseudoOtherType][] = $appId;
+            }
+        }
+        foreach (array_merge($priorityTypes, [$pseudoOtherType]) as $type) {
+            $stack = $stacks[$type];
+            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.
+     *
+     * @throws \Exception
+     */
+    private function checkAppsRequirements(): void {
+        $isCoreUpgrade = $this->isCodeUpgrade();
+        $apps = OC_App::getEnabledApps();
+        $version = implode('.', Util::getVersion());
+        $appManager = \OC::$server->getAppManager();
+        foreach ($apps as $app) {
+            // check if the app is compatible with this version of Nextcloud
+            $info = $appManager->getAppInfo($app);
+            if ($info === null || !OC_App::isAppCompatible($version, $info)) {
+                if ($appManager->isShipped($app)) {
+                    throw new \UnexpectedValueException('The files of the app "' . $app . '" were not correctly replaced before running the update');
+                }
+                $appManager->disableApp($app, true);
+                $this->emit('\OC\Updater', 'incompatibleAppDisabled', [$app]);
+            }
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    private function isCodeUpgrade(): bool {
+        $installedVersion = $this->config->getSystemValue('version', '0.0.0');
+        $currentVersion = implode('.', Util::getVersion());
+        if (version_compare($currentVersion, $installedVersion, '>')) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @param array $apps
+     * @param array $previousEnableStates
+     * @throws \Exception
+     */
+    private function upgradeAppStoreApps(array $apps, array $previousEnableStates = []): void {
+        foreach ($apps 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]);
+
+                if (!empty($previousEnableStates)) {
+                    $ocApp = new \OC_App();
+                    if (!empty($previousEnableStates[$app]) && is_array($previousEnableStates[$app])) {
+                        $ocApp->enable($app, $previousEnableStates[$app]);
+                    } else {
+                        $ocApp->enable($app);
+                    }
+                }
+            } catch (\Exception $ex) {
+                $this->log->error($ex->getMessage(), [
+                    'exception' => $ex,
+                ]);
+            }
+        }
+    }
+
+    private function logAllEvents(): void {
+        $log = $this->log;
+
+        /** @var IEventDispatcher $dispatcher */
+        $dispatcher = \OC::$server->get(IEventDispatcher::class);
+        $dispatcher->addListener(
+            MigratorExecuteSqlEvent::class,
+            function (MigratorExecuteSqlEvent $event) use ($log): void {
+                $log->info(get_class($event).': ' . $event->getSql() . ' (' . $event->getCurrentStep() . ' of ' . $event->getMaxStep() . ')', ['app' => 'updater']);
+            }
+        );
+
+        $repairListener = function (Event $event) use ($log): void {
+            if ($event instanceof RepairStartEvent) {
+                $log->info(get_class($event).': Starting ... ' . $event->getMaxStep() .  ' (' . $event->getCurrentStepName() . ')', ['app' => 'updater']);
+            } elseif ($event instanceof RepairAdvanceEvent) {
+                $desc = $event->getDescription();
+                if (empty($desc)) {
+                    $desc = '';
+                }
+                $log->info(get_class($event).': ' . $desc . ' (' . $event->getIncrement() . ')', ['app' => 'updater']);
+            } elseif ($event instanceof RepairFinishEvent) {
+                $log->info(get_class($event), ['app' => 'updater']);
+            } elseif ($event instanceof RepairStepEvent) {
+                $log->info(get_class($event).': Repair step: ' . $event->getStepName(), ['app' => 'updater']);
+            } elseif ($event instanceof RepairInfoEvent) {
+                $log->info(get_class($event).': Repair info: ' . $event->getMessage(), ['app' => 'updater']);
+            } elseif ($event instanceof RepairWarningEvent) {
+                $log->warning(get_class($event).': Repair warning: ' . $event->getMessage(), ['app' => 'updater']);
+            } elseif ($event instanceof RepairErrorEvent) {
+                $log->error(get_class($event).': Repair error: ' . $event->getMessage(), ['app' => 'updater']);
+            }
+        };
+
+        $dispatcher->addListener(RepairStartEvent::class, $repairListener);
+        $dispatcher->addListener(RepairAdvanceEvent::class, $repairListener);
+        $dispatcher->addListener(RepairFinishEvent::class, $repairListener);
+        $dispatcher->addListener(RepairStepEvent::class, $repairListener);
+        $dispatcher->addListener(RepairInfoEvent::class, $repairListener);
+        $dispatcher->addListener(RepairWarningEvent::class, $repairListener);
+        $dispatcher->addListener(RepairErrorEvent::class, $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']);
+        });
+        $this->listen('\OC\Updater', 'incompatibleAppDisabled', function ($app) use ($log) {
+            $log->info('\OC\Updater::incompatibleAppDisabled: Disabled incompatible app: ' . $app, ['app' => 'updater']);
+        });
+        $this->listen('\OC\Updater', 'checkAppStoreAppBefore', function ($app) use ($log) {
+            $log->debug('\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->debug('\OC\Updater::checkAppStoreApp: Checked for update of app "' . $app . '" in appstore', ['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']);
+        });
+        $this->listen('\OC\Updater', 'appUpgradeStarted', function ($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']);
+        });
+    }
 }

lib/base.php

Indentation +1070 added lines, -1070 removed lines

@@ -91,1076 +91,1076 @@
  * OC_autoload!
  */
 class OC {
-	/**
-	 * Associative array for autoloading. classname => filename
-	 */
-	public static array $CLASSPATH = [];
-	/**
-	 * The installation path for Nextcloud  on the server (e.g. /srv/http/nextcloud)
-	 */
-	public static string $SERVERROOT = '';
-	/**
-	 * the current request path relative to the Nextcloud root (e.g. files/index.php)
-	 */
-	private static string $SUBURI = '';
-	/**
-	 * the Nextcloud root path for http requests (e.g. nextcloud/)
-	 */
-	public static string $WEBROOT = '';
-	/**
-	 * The installation path array of the apps folder on the server (e.g. /srv/http/nextcloud) 'path' and
-	 * web path in 'url'
-	 */
-	public static array $APPSROOTS = [];
-
-	public static string $configDir;
-
-	/**
-	 * requested app
-	 */
-	public static string $REQUESTEDAPP = '';
-
-	/**
-	 * check if Nextcloud runs in cli mode
-	 */
-	public static bool $CLI = false;
-
-	public static \OC\Autoloader $loader;
-
-	public static \Composer\Autoload\ClassLoader $composerAutoloader;
-
-	public static \OC\Server $server;
-
-	private static \OC\Config $config;
-
-	/**
-	 * @throws \RuntimeException when the 3rdparty directory is missing or
-	 * the app path list is empty or contains an invalid path
-	 */
-	public static function initPaths(): void {
-		if (defined('PHPUNIT_CONFIG_DIR')) {
-			self::$configDir = OC::$SERVERROOT . '/' . PHPUNIT_CONFIG_DIR . '/';
-		} elseif (defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) {
-			self::$configDir = OC::$SERVERROOT . '/tests/config/';
-		} elseif ($dir = getenv('NEXTCLOUD_CONFIG_DIR')) {
-			self::$configDir = rtrim($dir, '/') . '/';
-		} else {
-			self::$configDir = OC::$SERVERROOT . '/config/';
-		}
-		self::$config = new \OC\Config(self::$configDir);
-
-		OC::$SUBURI = str_replace("\\", "/", substr(realpath($_SERVER["SCRIPT_FILENAME"] ?? ''), strlen(OC::$SERVERROOT)));
-		/**
-		 * FIXME: The following lines are required because we can't yet instantiate
-		 *        Server::get(\OCP\IRequest::class) since \OC::$server does not yet exist.
-		 */
-		$params = [
-			'server' => [
-				'SCRIPT_NAME' => $_SERVER['SCRIPT_NAME'] ?? null,
-				'SCRIPT_FILENAME' => $_SERVER['SCRIPT_FILENAME'] ?? null,
-			],
-		];
-		$fakeRequest = new \OC\AppFramework\Http\Request(
-			$params,
-			new \OC\AppFramework\Http\RequestId($_SERVER['UNIQUE_ID'] ?? '', new \OC\Security\SecureRandom()),
-			new \OC\AllConfig(new \OC\SystemConfig(self::$config))
-		);
-		$scriptName = $fakeRequest->getScriptName();
-		if (substr($scriptName, -1) == '/') {
-			$scriptName .= 'index.php';
-			//make sure suburi follows the same rules as scriptName
-			if (substr(OC::$SUBURI, -9) != 'index.php') {
-				if (substr(OC::$SUBURI, -1) != '/') {
-					OC::$SUBURI = OC::$SUBURI . '/';
-				}
-				OC::$SUBURI = OC::$SUBURI . 'index.php';
-			}
-		}
-
-
-		if (OC::$CLI) {
-			OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
-		} else {
-			if (substr($scriptName, 0 - strlen(OC::$SUBURI)) === OC::$SUBURI) {
-				OC::$WEBROOT = substr($scriptName, 0, 0 - strlen(OC::$SUBURI));
-
-				if (OC::$WEBROOT != '' && OC::$WEBROOT[0] !== '/') {
-					OC::$WEBROOT = '/' . OC::$WEBROOT;
-				}
-			} else {
-				// The scriptName is not ending with OC::$SUBURI
-				// This most likely means that we are calling from CLI.
-				// However some cron jobs still need to generate
-				// a web URL, so we use overwritewebroot as a fallback.
-				OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
-			}
-
-			// Resolve /nextcloud to /nextcloud/ to ensure to always have a trailing
-			// slash which is required by URL generation.
-			if (isset($_SERVER['REQUEST_URI']) && $_SERVER['REQUEST_URI'] === \OC::$WEBROOT &&
-					substr($_SERVER['REQUEST_URI'], -1) !== '/') {
-				header('Location: '.\OC::$WEBROOT.'/');
-				exit();
-			}
-		}
-
-		// search the apps folder
-		$config_paths = self::$config->getValue('apps_paths', []);
-		if (!empty($config_paths)) {
-			foreach ($config_paths as $paths) {
-				if (isset($paths['url']) && isset($paths['path'])) {
-					$paths['url'] = rtrim($paths['url'], '/');
-					$paths['path'] = rtrim($paths['path'], '/');
-					OC::$APPSROOTS[] = $paths;
-				}
-			}
-		} elseif (file_exists(OC::$SERVERROOT . '/apps')) {
-			OC::$APPSROOTS[] = ['path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true];
-		}
-
-		if (empty(OC::$APPSROOTS)) {
-			throw new \RuntimeException('apps directory not found! Please put the Nextcloud apps folder in the Nextcloud folder'
-				. '. You can also configure the location in the config.php file.');
-		}
-		$paths = [];
-		foreach (OC::$APPSROOTS as $path) {
-			$paths[] = $path['path'];
-			if (!is_dir($path['path'])) {
-				throw new \RuntimeException(sprintf('App directory "%s" not found! Please put the Nextcloud apps folder in the'
-					. ' Nextcloud folder. You can also configure the location in the config.php file.', $path['path']));
-			}
-		}
-
-		// set the right include path
-		set_include_path(
-			implode(PATH_SEPARATOR, $paths)
-		);
-	}
-
-	public static function checkConfig(): void {
-		$l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
-
-		// Create config if it does not already exist
-		$configFilePath = self::$configDir .'/config.php';
-		if (!file_exists($configFilePath)) {
-			@touch($configFilePath);
-		}
-
-		// Check if config is writable
-		$configFileWritable = is_writable($configFilePath);
-		if (!$configFileWritable && !OC_Helper::isReadOnlyConfigEnabled()
-			|| !$configFileWritable && \OCP\Util::needUpgrade()) {
-			$urlGenerator = Server::get(IURLGenerator::class);
-
-			if (self::$CLI) {
-				echo $l->t('Cannot write into "config" directory!')."\n";
-				echo $l->t('This can usually be fixed by giving the web server write access to the config directory.')."\n";
-				echo "\n";
-				echo $l->t('But, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.')."\n";
-				echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ])."\n";
-				exit;
-			} else {
-				OC_Template::printErrorPage(
-					$l->t('Cannot write into "config" directory!'),
-					$l->t('This can usually be fixed by giving the web server write access to the config directory.') . ' '
-					. $l->t('But, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.') . ' '
-					. $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ]),
-					503
-				);
-			}
-		}
-	}
-
-	public static function checkInstalled(\OC\SystemConfig $systemConfig): void {
-		if (defined('OC_CONSOLE')) {
-			return;
-		}
-		// Redirect to installer if not installed
-		if (!$systemConfig->getValue('installed', false) && OC::$SUBURI !== '/index.php' && OC::$SUBURI !== '/status.php') {
-			if (OC::$CLI) {
-				throw new Exception('Not installed');
-			} else {
-				$url = OC::$WEBROOT . '/index.php';
-				header('Location: ' . $url);
-			}
-			exit();
-		}
-	}
-
-	public static function checkMaintenanceMode(\OC\SystemConfig $systemConfig): void {
-		// Allow ajax update script to execute without being stopped
-		if (((bool) $systemConfig->getValue('maintenance', false)) && OC::$SUBURI != '/core/ajax/update.php') {
-			// send http status 503
-			http_response_code(503);
-			header('X-Nextcloud-Maintenance-Mode: 1');
-			header('Retry-After: 120');
-
-			// render error page
-			$template = new OC_Template('', 'update.user', 'guest');
-			\OCP\Util::addScript('core', 'maintenance');
-			\OCP\Util::addStyle('core', 'guest');
-			$template->printPage();
-			die();
-		}
-	}
-
-	/**
-	 * Prints the upgrade page
-	 */
-	private static function printUpgradePage(\OC\SystemConfig $systemConfig): void {
-		$disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false);
-		$tooBig = false;
-		if (!$disableWebUpdater) {
-			$apps = Server::get(\OCP\App\IAppManager::class);
-			if ($apps->isInstalled('user_ldap')) {
-				$qb = Server::get(\OCP\IDBConnection::class)->getQueryBuilder();
-
-				$result = $qb->select($qb->func()->count('*', 'user_count'))
-					->from('ldap_user_mapping')
-					->executeQuery();
-				$row = $result->fetch();
-				$result->closeCursor();
-
-				$tooBig = ($row['user_count'] > 50);
-			}
-			if (!$tooBig && $apps->isInstalled('user_saml')) {
-				$qb = Server::get(\OCP\IDBConnection::class)->getQueryBuilder();
-
-				$result = $qb->select($qb->func()->count('*', 'user_count'))
-					->from('user_saml_users')
-					->executeQuery();
-				$row = $result->fetch();
-				$result->closeCursor();
-
-				$tooBig = ($row['user_count'] > 50);
-			}
-			if (!$tooBig) {
-				// count users
-				$stats = Server::get(\OCP\IUserManager::class)->countUsers();
-				$totalUsers = array_sum($stats);
-				$tooBig = ($totalUsers > 50);
-			}
-		}
-		$ignoreTooBigWarning = isset($_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup']) &&
-			$_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup'] === 'IAmSuperSureToDoThis';
-
-		if ($disableWebUpdater || ($tooBig && !$ignoreTooBigWarning)) {
-			// send http status 503
-			http_response_code(503);
-			header('Retry-After: 120');
-
-			// render error page
-			$template = new OC_Template('', 'update.use-cli', 'guest');
-			$template->assign('productName', 'nextcloud'); // for now
-			$template->assign('version', OC_Util::getVersionString());
-			$template->assign('tooBig', $tooBig);
-
-			$template->printPage();
-			die();
-		}
-
-		// check whether this is a core update or apps update
-		$installedVersion = $systemConfig->getValue('version', '0.0.0');
-		$currentVersion = implode('.', \OCP\Util::getVersion());
-
-		// if not a core upgrade, then it's apps upgrade
-		$isAppsOnlyUpgrade = version_compare($currentVersion, $installedVersion, '=');
-
-		$oldTheme = $systemConfig->getValue('theme');
-		$systemConfig->setValue('theme', '');
-		\OCP\Util::addScript('core', 'common');
-		\OCP\Util::addScript('core', 'main');
-		\OCP\Util::addTranslations('core');
-		\OCP\Util::addScript('core', 'update');
-
-		/** @var \OC\App\AppManager $appManager */
-		$appManager = Server::get(\OCP\App\IAppManager::class);
-
-		$tmpl = new OC_Template('', 'update.admin', 'guest');
-		$tmpl->assign('version', OC_Util::getVersionString());
-		$tmpl->assign('isAppsOnlyUpgrade', $isAppsOnlyUpgrade);
-
-		// get third party apps
-		$ocVersion = \OCP\Util::getVersion();
-		$ocVersion = implode('.', $ocVersion);
-		$incompatibleApps = $appManager->getIncompatibleApps($ocVersion);
-		$incompatibleShippedApps = [];
-		foreach ($incompatibleApps as $appInfo) {
-			if ($appManager->isShipped($appInfo['id'])) {
-				$incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')';
-			}
-		}
-
-		if (!empty($incompatibleShippedApps)) {
-			$l = Server::get(\OCP\L10N\IFactory::class)->get('core');
-			$hint = $l->t('The files of the app %1$s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]);
-			throw new \OCP\HintException('The files of the app ' . implode(', ', $incompatibleShippedApps) . ' were not replaced correctly. Make sure it is a version compatible with the server.', $hint);
-		}
-
-		$tmpl->assign('appsToUpgrade', $appManager->getAppsNeedingUpgrade($ocVersion));
-		$tmpl->assign('incompatibleAppsList', $incompatibleApps);
-		try {
-			$defaults = new \OC_Defaults();
-			$tmpl->assign('productName', $defaults->getName());
-		} catch (Throwable $error) {
-			$tmpl->assign('productName', 'Nextcloud');
-		}
-		$tmpl->assign('oldTheme', $oldTheme);
-		$tmpl->printPage();
-	}
-
-	public static function initSession(): void {
-		$request = Server::get(IRequest::class);
-
-		// TODO: Temporary disabled again to solve issues with CalDAV/CardDAV clients like DAVx5 that use cookies
-		// TODO: See https://github.com/nextcloud/server/issues/37277#issuecomment-1476366147 and the other comments
-		// TODO: for further information.
-		// $isDavRequest = strpos($request->getRequestUri(), '/remote.php/dav') === 0 || strpos($request->getRequestUri(), '/remote.php/webdav') === 0;
-		// if ($request->getHeader('Authorization') !== '' && is_null($request->getCookie('cookie_test')) && $isDavRequest && !isset($_COOKIE['nc_session_id'])) {
-		// setcookie('cookie_test', 'test', time() + 3600);
-		// // Do not initialize the session if a request is authenticated directly
-		// // unless there is a session cookie already sent along
-		// return;
-		// }
-
-		if ($request->getServerProtocol() === 'https') {
-			ini_set('session.cookie_secure', 'true');
-		}
-
-		// prevents javascript from accessing php session cookies
-		ini_set('session.cookie_httponly', 'true');
-
-		// set the cookie path to the Nextcloud directory
-		$cookie_path = OC::$WEBROOT ? : '/';
-		ini_set('session.cookie_path', $cookie_path);
-
-		// Let the session name be changed in the initSession Hook
-		$sessionName = OC_Util::getInstanceId();
-
-		try {
-			// set the session name to the instance id - which is unique
-			$session = new \OC\Session\Internal($sessionName);
-
-			$cryptoWrapper = Server::get(\OC\Session\CryptoWrapper::class);
-			$session = $cryptoWrapper->wrapSession($session);
-			self::$server->setSession($session);
-
-			// if session can't be started break with http 500 error
-		} catch (Exception $e) {
-			Server::get(LoggerInterface::class)->error($e->getMessage(), ['app' => 'base','exception' => $e]);
-			//show the user a detailed error page
-			OC_Template::printExceptionErrorPage($e, 500);
-			die();
-		}
-
-		//try to set the session lifetime
-		$sessionLifeTime = self::getSessionLifeTime();
-		@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
-
-		// session timeout
-		if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
-			if (isset($_COOKIE[session_name()])) {
-				setcookie(session_name(), '', -1, self::$WEBROOT ? : '/');
-			}
-			Server::get(IUserSession::class)->logout();
-		}
-
-		if (!self::hasSessionRelaxedExpiry()) {
-			$session->set('LAST_ACTIVITY', time());
-		}
-		$session->close();
-	}
-
-	private static function getSessionLifeTime(): int {
-		return Server::get(\OC\AllConfig::class)->getSystemValueInt('session_lifetime', 60 * 60 * 24);
-	}
-
-	/**
-	 * @return bool true if the session expiry should only be done by gc instead of an explicit timeout
-	 */
-	public static function hasSessionRelaxedExpiry(): bool {
-		return Server::get(\OC\AllConfig::class)->getSystemValueBool('session_relaxed_expiry', false);
-	}
-
-	/**
-	 * Try to set some values to the required Nextcloud default
-	 */
-	public static function setRequiredIniValues(): void {
-		@ini_set('default_charset', 'UTF-8');
-		@ini_set('gd.jpeg_ignore_warning', '1');
-	}
-
-	/**
-	 * Send the same site cookies
-	 */
-	private static function sendSameSiteCookies(): void {
-		$cookieParams = session_get_cookie_params();
-		$secureCookie = ($cookieParams['secure'] === true) ? 'secure; ' : '';
-		$policies = [
-			'lax',
-			'strict',
-		];
-
-		// Append __Host to the cookie if it meets the requirements
-		$cookiePrefix = '';
-		if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
-			$cookiePrefix = '__Host-';
-		}
-
-		foreach ($policies as $policy) {
-			header(
-				sprintf(
-					'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;' . $secureCookie . 'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s',
-					$cookiePrefix,
-					$policy,
-					$cookieParams['path'],
-					$policy
-				),
-				false
-			);
-		}
-	}
-
-	/**
-	 * Same Site cookie to further mitigate CSRF attacks. This cookie has to
-	 * be set in every request if cookies are sent to add a second level of
-	 * defense against CSRF.
-	 *
-	 * If the cookie is not sent this will set the cookie and reload the page.
-	 * We use an additional cookie since we want to protect logout CSRF and
-	 * also we can't directly interfere with PHP's session mechanism.
-	 */
-	private static function performSameSiteCookieProtection(\OCP\IConfig $config): void {
-		$request = Server::get(IRequest::class);
-
-		// Some user agents are notorious and don't really properly follow HTTP
-		// specifications. For those, have an automated opt-out. Since the protection
-		// for remote.php is applied in base.php as starting point we need to opt out
-		// here.
-		$incompatibleUserAgents = $config->getSystemValue('csrf.optout');
-
-		// Fallback, if csrf.optout is unset
-		if (!is_array($incompatibleUserAgents)) {
-			$incompatibleUserAgents = [
-				// OS X Finder
-				'/^WebDAVFS/',
-				// Windows webdav drive
-				'/^Microsoft-WebDAV-MiniRedir/',
-			];
-		}
-
-		if ($request->isUserAgent($incompatibleUserAgents)) {
-			return;
-		}
-
-		if (count($_COOKIE) > 0) {
-			$requestUri = $request->getScriptName();
-			$processingScript = explode('/', $requestUri);
-			$processingScript = $processingScript[count($processingScript) - 1];
-
-			// index.php routes are handled in the middleware
-			if ($processingScript === 'index.php') {
-				return;
-			}
-
-			// All other endpoints require the lax and the strict cookie
-			if (!$request->passesStrictCookieCheck()) {
-				logger('core')->warning('Request does not pass strict cookie check');
-				self::sendSameSiteCookies();
-				// Debug mode gets access to the resources without strict cookie
-				// due to the fact that the SabreDAV browser also lives there.
-				if (!$config->getSystemValue('debug', false)) {
-					http_response_code(\OCP\AppFramework\Http::STATUS_SERVICE_UNAVAILABLE);
-					exit();
-				}
-			}
-		} elseif (!isset($_COOKIE['nc_sameSiteCookielax']) || !isset($_COOKIE['nc_sameSiteCookiestrict'])) {
-			self::sendSameSiteCookies();
-		}
-	}
-
-	public static function init(): void {
-		// calculate the root directories
-		OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4));
-
-		// register autoloader
-		$loaderStart = microtime(true);
-		require_once __DIR__ . '/autoloader.php';
-		self::$loader = new \OC\Autoloader([
-			OC::$SERVERROOT . '/lib/private/legacy',
-		]);
-		if (defined('PHPUNIT_RUN')) {
-			self::$loader->addValidRoot(OC::$SERVERROOT . '/tests');
-		}
-		spl_autoload_register([self::$loader, 'load']);
-		$loaderEnd = microtime(true);
-
-		self::$CLI = (php_sapi_name() == 'cli');
-
-		// Add default composer PSR-4 autoloader
-		self::$composerAutoloader = require_once OC::$SERVERROOT . '/lib/composer/autoload.php';
-		self::$composerAutoloader->setApcuPrefix('composer_autoload');
-
-		try {
-			self::initPaths();
-			// setup 3rdparty autoloader
-			$vendorAutoLoad = OC::$SERVERROOT. '/3rdparty/autoload.php';
-			if (!file_exists($vendorAutoLoad)) {
-				throw new \RuntimeException('Composer autoloader not found, unable to continue. Check the folder "3rdparty". Running "git submodule update --init" will initialize the git submodule that handles the subfolder "3rdparty".');
-			}
-			require_once $vendorAutoLoad;
-		} catch (\RuntimeException $e) {
-			if (!self::$CLI) {
-				http_response_code(503);
-			}
-			// we can't use the template error page here, because this needs the
-			// DI container which isn't available yet
-			print($e->getMessage());
-			exit();
-		}
-
-		// setup the basic server
-		self::$server = new \OC\Server(\OC::$WEBROOT, self::$config);
-		self::$server->boot();
-
-		$eventLogger = Server::get(\OCP\Diagnostics\IEventLogger::class);
-		$eventLogger->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd);
-		$eventLogger->start('boot', 'Initialize');
-
-		// Override php.ini and log everything if we're troubleshooting
-		if (self::$config->getValue('loglevel') === ILogger::DEBUG) {
-			error_reporting(E_ALL);
-		}
-
-		// Don't display errors and log them
-		@ini_set('display_errors', '0');
-		@ini_set('log_errors', '1');
-
-		if (!date_default_timezone_set('UTC')) {
-			throw new \RuntimeException('Could not set timezone to UTC');
-		}
-
-
-		//try to configure php to enable big file uploads.
-		//this doesn´t work always depending on the webserver and php configuration.
-		//Let´s try to overwrite some defaults if they are smaller than 1 hour
-
-		if (intval(@ini_get('max_execution_time') ?? 0) < 3600) {
-			@ini_set('max_execution_time', strval(3600));
-		}
-
-		if (intval(@ini_get('max_input_time') ?? 0) < 3600) {
-			@ini_set('max_input_time', strval(3600));
-		}
-
-		//try to set the maximum execution time to the largest time limit we have
-		if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
-			@set_time_limit(max(intval(@ini_get('max_execution_time')), intval(@ini_get('max_input_time'))));
-		}
-
-		self::setRequiredIniValues();
-		self::handleAuthHeaders();
-		$systemConfig = Server::get(\OC\SystemConfig::class);
-		self::registerAutoloaderCache($systemConfig);
-
-		// initialize intl fallback if necessary
-		OC_Util::isSetLocaleWorking();
-
-		$config = Server::get(\OCP\IConfig::class);
-		if (!defined('PHPUNIT_RUN')) {
-			$errorHandler = new OC\Log\ErrorHandler(
-				\OCP\Server::get(\Psr\Log\LoggerInterface::class),
-			);
-			$exceptionHandler = [$errorHandler, 'onException'];
-			if ($config->getSystemValue('debug', false)) {
-				set_error_handler([$errorHandler, 'onAll'], E_ALL);
-				if (\OC::$CLI) {
-					$exceptionHandler = ['OC_Template', 'printExceptionErrorPage'];
-				}
-			} else {
-				set_error_handler([$errorHandler, 'onError']);
-			}
-			register_shutdown_function([$errorHandler, 'onShutdown']);
-			set_exception_handler($exceptionHandler);
-		}
-
-		/** @var \OC\AppFramework\Bootstrap\Coordinator $bootstrapCoordinator */
-		$bootstrapCoordinator = Server::get(\OC\AppFramework\Bootstrap\Coordinator::class);
-		$bootstrapCoordinator->runInitialRegistration();
-
-		$eventLogger->start('init_session', 'Initialize session');
-		OC_App::loadApps(['session']);
-		if (!self::$CLI) {
-			self::initSession();
-		}
-		$eventLogger->end('init_session');
-		self::checkConfig();
-		self::checkInstalled($systemConfig);
-
-		OC_Response::addSecurityHeaders();
-
-		self::performSameSiteCookieProtection($config);
-
-		if (!defined('OC_CONSOLE')) {
-			$errors = OC_Util::checkServer($systemConfig);
-			if (count($errors) > 0) {
-				if (!self::$CLI) {
-					http_response_code(503);
-					OC_Util::addStyle('guest');
-					try {
-						OC_Template::printGuestPage('', 'error', ['errors' => $errors]);
-						exit;
-					} catch (\Exception $e) {
-						// In case any error happens when showing the error page, we simply fall back to posting the text.
-						// This might be the case when e.g. the data directory is broken and we can not load/write SCSS to/from it.
-					}
-				}
-
-				// Convert l10n string into regular string for usage in database
-				$staticErrors = [];
-				foreach ($errors as $error) {
-					echo $error['error'] . "\n";
-					echo $error['hint'] . "\n\n";
-					$staticErrors[] = [
-						'error' => (string)$error['error'],
-						'hint' => (string)$error['hint'],
-					];
-				}
-
-				try {
-					$config->setAppValue('core', 'cronErrors', json_encode($staticErrors));
-				} catch (\Exception $e) {
-					echo('Writing to database failed');
-				}
-				exit(1);
-			} elseif (self::$CLI && $config->getSystemValue('installed', false)) {
-				$config->deleteAppValue('core', 'cronErrors');
-			}
-		}
-
-		// User and Groups
-		if (!$systemConfig->getValue("installed", false)) {
-			self::$server->getSession()->set('user_id', '');
-		}
-
-		OC_User::useBackend(new \OC\User\Database());
-		Server::get(\OCP\IGroupManager::class)->addBackend(new \OC\Group\Database());
-
-		// Subscribe to the hook
-		\OCP\Util::connectHook(
-			'\OCA\Files_Sharing\API\Server2Server',
-			'preLoginNameUsedAsUserName',
-			'\OC\User\Database',
-			'preLoginNameUsedAsUserName'
-		);
-
-		//setup extra user backends
-		if (!\OCP\Util::needUpgrade()) {
-			OC_User::setupBackends();
-		} else {
-			// Run upgrades in incognito mode
-			OC_User::setIncognitoMode(true);
-		}
-
-		self::registerCleanupHooks($systemConfig);
-		self::registerShareHooks($systemConfig);
-		self::registerEncryptionWrapperAndHooks();
-		self::registerAccountHooks();
-		self::registerResourceCollectionHooks();
-		self::registerFileReferenceEventListener();
-		self::registerRenderReferenceEventListener();
-		self::registerAppRestrictionsHooks();
-
-		// Make sure that the application class is not loaded before the database is setup
-		if ($systemConfig->getValue("installed", false)) {
-			OC_App::loadApp('settings');
-			/* Build core application to make sure that listeners are registered */
-			Server::get(\OC\Core\Application::class);
-		}
-
-		//make sure temporary files are cleaned up
-		$tmpManager = Server::get(\OCP\ITempManager::class);
-		register_shutdown_function([$tmpManager, 'clean']);
-		$lockProvider = Server::get(\OCP\Lock\ILockingProvider::class);
-		register_shutdown_function([$lockProvider, 'releaseAll']);
-
-		// Check whether the sample configuration has been copied
-		if ($systemConfig->getValue('copied_sample_config', false)) {
-			$l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
-			OC_Template::printErrorPage(
-				$l->t('Sample configuration detected'),
-				$l->t('It has been detected that the sample configuration has been copied. This can break your installation and is unsupported. Please read the documentation before performing changes on config.php'),
-				503
-			);
-			return;
-		}
-
-		$request = Server::get(IRequest::class);
-		$host = $request->getInsecureServerHost();
-		/**
-		 * if the host passed in headers isn't trusted
-		 * FIXME: Should not be in here at all :see_no_evil:
-		 */
-		if (!OC::$CLI
-			&& !Server::get(\OC\Security\TrustedDomainHelper::class)->isTrustedDomain($host)
-			&& $config->getSystemValue('installed', false)
-		) {
-			// Allow access to CSS resources
-			$isScssRequest = false;
-			if (strpos($request->getPathInfo() ?: '', '/css/') === 0) {
-				$isScssRequest = true;
-			}
-
-			if (substr($request->getRequestUri(), -11) === '/status.php') {
-				http_response_code(400);
-				header('Content-Type: application/json');
-				echo '{"error": "Trusted domain error.", "code": 15}';
-				exit();
-			}
-
-			if (!$isScssRequest) {
-				http_response_code(400);
-				Server::get(LoggerInterface::class)->info(
-					'Trusted domain error. "{remoteAddress}" tried to access using "{host}" as host.',
-					[
-						'app' => 'core',
-						'remoteAddress' => $request->getRemoteAddress(),
-						'host' => $host,
-					]
-				);
-
-				$tmpl = new OCP\Template('core', 'untrustedDomain', 'guest');
-				$tmpl->assign('docUrl', Server::get(IURLGenerator::class)->linkToDocs('admin-trusted-domains'));
-				$tmpl->printPage();
-
-				exit();
-			}
-		}
-		$eventLogger->end('boot');
-		$eventLogger->log('init', 'OC::init', $loaderStart, microtime(true));
-		$eventLogger->start('runtime', 'Runtime');
-		$eventLogger->start('request', 'Full request after boot');
-		register_shutdown_function(function () use ($eventLogger) {
-			$eventLogger->end('request');
-		});
-	}
-
-	/**
-	 * register hooks for the cleanup of cache and bruteforce protection
-	 */
-	public static function registerCleanupHooks(\OC\SystemConfig $systemConfig): void {
-		//don't try to do this before we are properly setup
-		if ($systemConfig->getValue('installed', false) && !\OCP\Util::needUpgrade()) {
-			// NOTE: This will be replaced to use OCP
-			$userSession = Server::get(\OC\User\Session::class);
-			$userSession->listen('\OC\User', 'postLogin', function () use ($userSession) {
-				if (!defined('PHPUNIT_RUN') && $userSession->isLoggedIn()) {
-					// reset brute force delay for this IP address and username
-					$uid = $userSession->getUser()->getUID();
-					$request = Server::get(IRequest::class);
-					$throttler = Server::get(\OC\Security\Bruteforce\Throttler::class);
-					$throttler->resetDelay($request->getRemoteAddress(), 'login', ['user' => $uid]);
-				}
-
-				try {
-					$cache = new \OC\Cache\File();
-					$cache->gc();
-				} catch (\OC\ServerNotAvailableException $e) {
-					// not a GC exception, pass it on
-					throw $e;
-				} catch (\OC\ForbiddenException $e) {
-					// filesystem blocked for this request, ignore
-				} catch (\Exception $e) {
-					// a GC exception should not prevent users from using OC,
-					// so log the exception
-					Server::get(LoggerInterface::class)->warning('Exception when running cache gc.', [
-						'app' => 'core',
-						'exception' => $e,
-					]);
-				}
-			});
-		}
-	}
-
-	private static function registerEncryptionWrapperAndHooks(): void {
-		$manager = Server::get(\OCP\Encryption\IManager::class);
-		\OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage');
-
-		$enabled = $manager->isEnabled();
-		if ($enabled) {
-			\OCP\Util::connectHook(Share::class, 'post_shared', HookManager::class, 'postShared');
-			\OCP\Util::connectHook(Share::class, 'post_unshare', HookManager::class, 'postUnshared');
-			\OCP\Util::connectHook('OC_Filesystem', 'post_rename', HookManager::class, 'postRename');
-			\OCP\Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', HookManager::class, 'postRestore');
-		}
-	}
-
-	private static function registerAccountHooks(): void {
-		/** @var IEventDispatcher $dispatcher */
-		$dispatcher = Server::get(IEventDispatcher::class);
-		$dispatcher->addServiceListener(UserChangedEvent::class, \OC\Accounts\Hooks::class);
-	}
-
-	private static function registerAppRestrictionsHooks(): void {
-		/** @var \OC\Group\Manager $groupManager */
-		$groupManager = Server::get(\OCP\IGroupManager::class);
-		$groupManager->listen('\OC\Group', 'postDelete', function (\OCP\IGroup $group) {
-			$appManager = Server::get(\OCP\App\IAppManager::class);
-			$apps = $appManager->getEnabledAppsForGroup($group);
-			foreach ($apps as $appId) {
-				$restrictions = $appManager->getAppRestriction($appId);
-				if (empty($restrictions)) {
-					continue;
-				}
-				$key = array_search($group->getGID(), $restrictions);
-				unset($restrictions[$key]);
-				$restrictions = array_values($restrictions);
-				if (empty($restrictions)) {
-					$appManager->disableApp($appId);
-				} else {
-					$appManager->enableAppForGroups($appId, $restrictions);
-				}
-			}
-		});
-	}
-
-	private static function registerResourceCollectionHooks(): void {
-		\OC\Collaboration\Resources\Listener::register(Server::get(SymfonyAdapter::class), Server::get(IEventDispatcher::class));
-	}
-
-	private static function registerFileReferenceEventListener(): void {
-		\OC\Collaboration\Reference\File\FileReferenceEventListener::register(Server::get(IEventDispatcher::class));
-	}
-
-	private static function registerRenderReferenceEventListener() {
-		\OC\Collaboration\Reference\RenderReferenceEventListener::register(Server::get(IEventDispatcher::class));
-	}
-
-	/**
-	 * register hooks for sharing
-	 */
-	public static function registerShareHooks(\OC\SystemConfig $systemConfig): void {
-		if ($systemConfig->getValue('installed')) {
-			OC_Hook::connect('OC_User', 'post_deleteUser', Hooks::class, 'post_deleteUser');
-			OC_Hook::connect('OC_User', 'post_deleteGroup', Hooks::class, 'post_deleteGroup');
-
-			/** @var IEventDispatcher $dispatcher */
-			$dispatcher = Server::get(IEventDispatcher::class);
-			$dispatcher->addServiceListener(UserRemovedEvent::class, \OC\Share20\UserRemovedListener::class);
-		}
-	}
-
-	protected static function registerAutoloaderCache(\OC\SystemConfig $systemConfig): void {
-		// The class loader takes an optional low-latency cache, which MUST be
-		// namespaced. The instanceid is used for namespacing, but might be
-		// unavailable at this point. Furthermore, it might not be possible to
-		// generate an instanceid via \OC_Util::getInstanceId() because the
-		// config file may not be writable. As such, we only register a class
-		// loader cache if instanceid is available without trying to create one.
-		$instanceId = $systemConfig->getValue('instanceid', null);
-		if ($instanceId) {
-			try {
-				$memcacheFactory = Server::get(\OCP\ICacheFactory::class);
-				self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
-			} catch (\Exception $ex) {
-			}
-		}
-	}
-
-	/**
-	 * Handle the request
-	 */
-	public static function handleRequest(): void {
-		Server::get(\OCP\Diagnostics\IEventLogger::class)->start('handle_request', 'Handle request');
-		$systemConfig = Server::get(\OC\SystemConfig::class);
-
-		// Check if Nextcloud is installed or in maintenance (update) mode
-		if (!$systemConfig->getValue('installed', false)) {
-			\OC::$server->getSession()->clear();
-			$setupHelper = new OC\Setup(
-				$systemConfig,
-				Server::get(\bantu\IniGetWrapper\IniGetWrapper::class),
-				Server::get(\OCP\L10N\IFactory::class)->get('lib'),
-				Server::get(\OCP\Defaults::class),
-				Server::get(\Psr\Log\LoggerInterface::class),
-				Server::get(\OCP\Security\ISecureRandom::class),
-				Server::get(\OC\Installer::class)
-			);
-			$controller = new OC\Core\Controller\SetupController($setupHelper);
-			$controller->run($_POST);
-			exit();
-		}
-
-		$request = Server::get(IRequest::class);
-		$requestPath = $request->getRawPathInfo();
-		if ($requestPath === '/heartbeat') {
-			return;
-		}
-		if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade
-			self::checkMaintenanceMode($systemConfig);
-
-			if (\OCP\Util::needUpgrade()) {
-				if (function_exists('opcache_reset')) {
-					opcache_reset();
-				}
-				if (!((bool) $systemConfig->getValue('maintenance', false))) {
-					self::printUpgradePage($systemConfig);
-					exit();
-				}
-			}
-		}
-
-		// emergency app disabling
-		if ($requestPath === '/disableapp'
-			&& $request->getMethod() === 'POST'
-		) {
-			\OC_JSON::callCheck();
-			\OC_JSON::checkAdminUser();
-			$appIds = (array)$request->getParam('appid');
-			foreach ($appIds as $appId) {
-				$appId = \OC_App::cleanAppId($appId);
-				Server::get(\OCP\App\IAppManager::class)->disableApp($appId);
-			}
-			\OC_JSON::success();
-			exit();
-		}
-
-		// Always load authentication apps
-		OC_App::loadApps(['authentication']);
-		OC_App::loadApps(['extended_authentication']);
-
-		// Load minimum set of apps
-		if (!\OCP\Util::needUpgrade()
-			&& !((bool) $systemConfig->getValue('maintenance', false))) {
-			// For logged-in users: Load everything
-			if (Server::get(IUserSession::class)->isLoggedIn()) {
-				OC_App::loadApps();
-			} else {
-				// For guests: Load only filesystem and logging
-				OC_App::loadApps(['filesystem', 'logging']);
-
-				// Don't try to login when a client is trying to get a OAuth token.
-				// OAuth needs to support basic auth too, so the login is not valid
-				// inside Nextcloud and the Login exception would ruin it.
-				if ($request->getRawPathInfo() !== '/apps/oauth2/api/v1/token') {
-					self::handleLogin($request);
-				}
-			}
-		}
-
-		if (!self::$CLI) {
-			try {
-				if (!((bool) $systemConfig->getValue('maintenance', false)) && !\OCP\Util::needUpgrade()) {
-					OC_App::loadApps(['filesystem', 'logging']);
-					OC_App::loadApps();
-				}
-				Server::get(\OC\Route\Router::class)->match($request->getRawPathInfo());
-				return;
-			} catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
-				//header('HTTP/1.0 404 Not Found');
-			} catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
-				http_response_code(405);
-				return;
-			}
-		}
-
-		// Handle WebDAV
-		if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') {
-			// not allowed any more to prevent people
-			// mounting this root directly.
-			// Users need to mount remote.php/webdav instead.
-			http_response_code(405);
-			return;
-		}
-
-		// Handle requests for JSON or XML
-		$acceptHeader = $request->getHeader('Accept');
-		if (in_array($acceptHeader, ['application/json', 'application/xml'], true)) {
-			http_response_code(404);
-			return;
-		}
-
-		// Handle resources that can't be found
-		// This prevents browsers from redirecting to the default page and then
-		// attempting to parse HTML as CSS and similar.
-		$destinationHeader = $request->getHeader('Sec-Fetch-Dest');
-		if (in_array($destinationHeader, ['font', 'script', 'style'])) {
-			http_response_code(404);
-			return;
-		}
-
-		// Redirect to the default app or login only as an entry point
-		if ($requestPath === '') {
-			// Someone is logged in
-			if (Server::get(IUserSession::class)->isLoggedIn()) {
-				header('Location: ' . Server::get(IURLGenerator::class)->linkToDefaultPageUrl());
-			} else {
-				// Not handled and not logged in
-				header('Location: ' . Server::get(IURLGenerator::class)->linkToRouteAbsolute('core.login.showLoginForm'));
-			}
-			return;
-		}
-
-		try {
-			Server::get(\OC\Route\Router::class)->match('/error/404');
-		} catch (\Exception $e) {
-			if (!$e instanceof MethodNotAllowedException) {
-				logger('core')->emergency($e->getMessage(), ['exception' => $e]);
-			}
-			$l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
-			OC_Template::printErrorPage(
-				$l->t('404'),
-				$l->t('The page could not be found on the server.'),
-				404
-			);
-		}
-	}
-
-	/**
-	 * Check login: apache auth, auth token, basic auth
-	 */
-	public static function handleLogin(OCP\IRequest $request): bool {
-		$userSession = Server::get(\OC\User\Session::class);
-		if (OC_User::handleApacheAuth()) {
-			return true;
-		}
-		if ($userSession->tryTokenLogin($request)) {
-			return true;
-		}
-		if (isset($_COOKIE['nc_username'])
-			&& isset($_COOKIE['nc_token'])
-			&& isset($_COOKIE['nc_session_id'])
-			&& $userSession->loginWithCookie($_COOKIE['nc_username'], $_COOKIE['nc_token'], $_COOKIE['nc_session_id'])) {
-			return true;
-		}
-		if ($userSession->tryBasicAuthLogin($request, Server::get(\OC\Security\Bruteforce\Throttler::class))) {
-			return true;
-		}
-		return false;
-	}
-
-	protected static function handleAuthHeaders(): void {
-		//copy http auth headers for apache+php-fcgid work around
-		if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) {
-			$_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION'];
-		}
-
-		// Extract PHP_AUTH_USER/PHP_AUTH_PW from other headers if necessary.
-		$vars = [
-			'HTTP_AUTHORIZATION', // apache+php-cgi work around
-			'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative
-		];
-		foreach ($vars as $var) {
-			if (isset($_SERVER[$var]) && is_string($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) {
-				$credentials = explode(':', base64_decode($matches[1]), 2);
-				if (count($credentials) === 2) {
-					$_SERVER['PHP_AUTH_USER'] = $credentials[0];
-					$_SERVER['PHP_AUTH_PW'] = $credentials[1];
-					break;
-				}
-			}
-		}
-	}
+    /**
+     * Associative array for autoloading. classname => filename
+     */
+    public static array $CLASSPATH = [];
+    /**
+     * The installation path for Nextcloud  on the server (e.g. /srv/http/nextcloud)
+     */
+    public static string $SERVERROOT = '';
+    /**
+     * the current request path relative to the Nextcloud root (e.g. files/index.php)
+     */
+    private static string $SUBURI = '';
+    /**
+     * the Nextcloud root path for http requests (e.g. nextcloud/)
+     */
+    public static string $WEBROOT = '';
+    /**
+     * The installation path array of the apps folder on the server (e.g. /srv/http/nextcloud) 'path' and
+     * web path in 'url'
+     */
+    public static array $APPSROOTS = [];
+
+    public static string $configDir;
+
+    /**
+     * requested app
+     */
+    public static string $REQUESTEDAPP = '';
+
+    /**
+     * check if Nextcloud runs in cli mode
+     */
+    public static bool $CLI = false;
+
+    public static \OC\Autoloader $loader;
+
+    public static \Composer\Autoload\ClassLoader $composerAutoloader;
+
+    public static \OC\Server $server;
+
+    private static \OC\Config $config;
+
+    /**
+     * @throws \RuntimeException when the 3rdparty directory is missing or
+     * the app path list is empty or contains an invalid path
+     */
+    public static function initPaths(): void {
+        if (defined('PHPUNIT_CONFIG_DIR')) {
+            self::$configDir = OC::$SERVERROOT . '/' . PHPUNIT_CONFIG_DIR . '/';
+        } elseif (defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) {
+            self::$configDir = OC::$SERVERROOT . '/tests/config/';
+        } elseif ($dir = getenv('NEXTCLOUD_CONFIG_DIR')) {
+            self::$configDir = rtrim($dir, '/') . '/';
+        } else {
+            self::$configDir = OC::$SERVERROOT . '/config/';
+        }
+        self::$config = new \OC\Config(self::$configDir);
+
+        OC::$SUBURI = str_replace("\\", "/", substr(realpath($_SERVER["SCRIPT_FILENAME"] ?? ''), strlen(OC::$SERVERROOT)));
+        /**
+         * FIXME: The following lines are required because we can't yet instantiate
+         *        Server::get(\OCP\IRequest::class) since \OC::$server does not yet exist.
+         */
+        $params = [
+            'server' => [
+                'SCRIPT_NAME' => $_SERVER['SCRIPT_NAME'] ?? null,
+                'SCRIPT_FILENAME' => $_SERVER['SCRIPT_FILENAME'] ?? null,
+            ],
+        ];
+        $fakeRequest = new \OC\AppFramework\Http\Request(
+            $params,
+            new \OC\AppFramework\Http\RequestId($_SERVER['UNIQUE_ID'] ?? '', new \OC\Security\SecureRandom()),
+            new \OC\AllConfig(new \OC\SystemConfig(self::$config))
+        );
+        $scriptName = $fakeRequest->getScriptName();
+        if (substr($scriptName, -1) == '/') {
+            $scriptName .= 'index.php';
+            //make sure suburi follows the same rules as scriptName
+            if (substr(OC::$SUBURI, -9) != 'index.php') {
+                if (substr(OC::$SUBURI, -1) != '/') {
+                    OC::$SUBURI = OC::$SUBURI . '/';
+                }
+                OC::$SUBURI = OC::$SUBURI . 'index.php';
+            }
+        }
+
+
+        if (OC::$CLI) {
+            OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
+        } else {
+            if (substr($scriptName, 0 - strlen(OC::$SUBURI)) === OC::$SUBURI) {
+                OC::$WEBROOT = substr($scriptName, 0, 0 - strlen(OC::$SUBURI));
+
+                if (OC::$WEBROOT != '' && OC::$WEBROOT[0] !== '/') {
+                    OC::$WEBROOT = '/' . OC::$WEBROOT;
+                }
+            } else {
+                // The scriptName is not ending with OC::$SUBURI
+                // This most likely means that we are calling from CLI.
+                // However some cron jobs still need to generate
+                // a web URL, so we use overwritewebroot as a fallback.
+                OC::$WEBROOT = self::$config->getValue('overwritewebroot', '');
+            }
+
+            // Resolve /nextcloud to /nextcloud/ to ensure to always have a trailing
+            // slash which is required by URL generation.
+            if (isset($_SERVER['REQUEST_URI']) && $_SERVER['REQUEST_URI'] === \OC::$WEBROOT &&
+                    substr($_SERVER['REQUEST_URI'], -1) !== '/') {
+                header('Location: '.\OC::$WEBROOT.'/');
+                exit();
+            }
+        }
+
+        // search the apps folder
+        $config_paths = self::$config->getValue('apps_paths', []);
+        if (!empty($config_paths)) {
+            foreach ($config_paths as $paths) {
+                if (isset($paths['url']) && isset($paths['path'])) {
+                    $paths['url'] = rtrim($paths['url'], '/');
+                    $paths['path'] = rtrim($paths['path'], '/');
+                    OC::$APPSROOTS[] = $paths;
+                }
+            }
+        } elseif (file_exists(OC::$SERVERROOT . '/apps')) {
+            OC::$APPSROOTS[] = ['path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true];
+        }
+
+        if (empty(OC::$APPSROOTS)) {
+            throw new \RuntimeException('apps directory not found! Please put the Nextcloud apps folder in the Nextcloud folder'
+                . '. You can also configure the location in the config.php file.');
+        }
+        $paths = [];
+        foreach (OC::$APPSROOTS as $path) {
+            $paths[] = $path['path'];
+            if (!is_dir($path['path'])) {
+                throw new \RuntimeException(sprintf('App directory "%s" not found! Please put the Nextcloud apps folder in the'
+                    . ' Nextcloud folder. You can also configure the location in the config.php file.', $path['path']));
+            }
+        }
+
+        // set the right include path
+        set_include_path(
+            implode(PATH_SEPARATOR, $paths)
+        );
+    }
+
+    public static function checkConfig(): void {
+        $l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
+
+        // Create config if it does not already exist
+        $configFilePath = self::$configDir .'/config.php';
+        if (!file_exists($configFilePath)) {
+            @touch($configFilePath);
+        }
+
+        // Check if config is writable
+        $configFileWritable = is_writable($configFilePath);
+        if (!$configFileWritable && !OC_Helper::isReadOnlyConfigEnabled()
+            || !$configFileWritable && \OCP\Util::needUpgrade()) {
+            $urlGenerator = Server::get(IURLGenerator::class);
+
+            if (self::$CLI) {
+                echo $l->t('Cannot write into "config" directory!')."\n";
+                echo $l->t('This can usually be fixed by giving the web server write access to the config directory.')."\n";
+                echo "\n";
+                echo $l->t('But, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.')."\n";
+                echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ])."\n";
+                exit;
+            } else {
+                OC_Template::printErrorPage(
+                    $l->t('Cannot write into "config" directory!'),
+                    $l->t('This can usually be fixed by giving the web server write access to the config directory.') . ' '
+                    . $l->t('But, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.') . ' '
+                    . $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ]),
+                    503
+                );
+            }
+        }
+    }
+
+    public static function checkInstalled(\OC\SystemConfig $systemConfig): void {
+        if (defined('OC_CONSOLE')) {
+            return;
+        }
+        // Redirect to installer if not installed
+        if (!$systemConfig->getValue('installed', false) && OC::$SUBURI !== '/index.php' && OC::$SUBURI !== '/status.php') {
+            if (OC::$CLI) {
+                throw new Exception('Not installed');
+            } else {
+                $url = OC::$WEBROOT . '/index.php';
+                header('Location: ' . $url);
+            }
+            exit();
+        }
+    }
+
+    public static function checkMaintenanceMode(\OC\SystemConfig $systemConfig): void {
+        // Allow ajax update script to execute without being stopped
+        if (((bool) $systemConfig->getValue('maintenance', false)) && OC::$SUBURI != '/core/ajax/update.php') {
+            // send http status 503
+            http_response_code(503);
+            header('X-Nextcloud-Maintenance-Mode: 1');
+            header('Retry-After: 120');
+
+            // render error page
+            $template = new OC_Template('', 'update.user', 'guest');
+            \OCP\Util::addScript('core', 'maintenance');
+            \OCP\Util::addStyle('core', 'guest');
+            $template->printPage();
+            die();
+        }
+    }
+
+    /**
+     * Prints the upgrade page
+     */
+    private static function printUpgradePage(\OC\SystemConfig $systemConfig): void {
+        $disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false);
+        $tooBig = false;
+        if (!$disableWebUpdater) {
+            $apps = Server::get(\OCP\App\IAppManager::class);
+            if ($apps->isInstalled('user_ldap')) {
+                $qb = Server::get(\OCP\IDBConnection::class)->getQueryBuilder();
+
+                $result = $qb->select($qb->func()->count('*', 'user_count'))
+                    ->from('ldap_user_mapping')
+                    ->executeQuery();
+                $row = $result->fetch();
+                $result->closeCursor();
+
+                $tooBig = ($row['user_count'] > 50);
+            }
+            if (!$tooBig && $apps->isInstalled('user_saml')) {
+                $qb = Server::get(\OCP\IDBConnection::class)->getQueryBuilder();
+
+                $result = $qb->select($qb->func()->count('*', 'user_count'))
+                    ->from('user_saml_users')
+                    ->executeQuery();
+                $row = $result->fetch();
+                $result->closeCursor();
+
+                $tooBig = ($row['user_count'] > 50);
+            }
+            if (!$tooBig) {
+                // count users
+                $stats = Server::get(\OCP\IUserManager::class)->countUsers();
+                $totalUsers = array_sum($stats);
+                $tooBig = ($totalUsers > 50);
+            }
+        }
+        $ignoreTooBigWarning = isset($_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup']) &&
+            $_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup'] === 'IAmSuperSureToDoThis';
+
+        if ($disableWebUpdater || ($tooBig && !$ignoreTooBigWarning)) {
+            // send http status 503
+            http_response_code(503);
+            header('Retry-After: 120');
+
+            // render error page
+            $template = new OC_Template('', 'update.use-cli', 'guest');
+            $template->assign('productName', 'nextcloud'); // for now
+            $template->assign('version', OC_Util::getVersionString());
+            $template->assign('tooBig', $tooBig);
+
+            $template->printPage();
+            die();
+        }
+
+        // check whether this is a core update or apps update
+        $installedVersion = $systemConfig->getValue('version', '0.0.0');
+        $currentVersion = implode('.', \OCP\Util::getVersion());
+
+        // if not a core upgrade, then it's apps upgrade
+        $isAppsOnlyUpgrade = version_compare($currentVersion, $installedVersion, '=');
+
+        $oldTheme = $systemConfig->getValue('theme');
+        $systemConfig->setValue('theme', '');
+        \OCP\Util::addScript('core', 'common');
+        \OCP\Util::addScript('core', 'main');
+        \OCP\Util::addTranslations('core');
+        \OCP\Util::addScript('core', 'update');
+
+        /** @var \OC\App\AppManager $appManager */
+        $appManager = Server::get(\OCP\App\IAppManager::class);
+
+        $tmpl = new OC_Template('', 'update.admin', 'guest');
+        $tmpl->assign('version', OC_Util::getVersionString());
+        $tmpl->assign('isAppsOnlyUpgrade', $isAppsOnlyUpgrade);
+
+        // get third party apps
+        $ocVersion = \OCP\Util::getVersion();
+        $ocVersion = implode('.', $ocVersion);
+        $incompatibleApps = $appManager->getIncompatibleApps($ocVersion);
+        $incompatibleShippedApps = [];
+        foreach ($incompatibleApps as $appInfo) {
+            if ($appManager->isShipped($appInfo['id'])) {
+                $incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')';
+            }
+        }
+
+        if (!empty($incompatibleShippedApps)) {
+            $l = Server::get(\OCP\L10N\IFactory::class)->get('core');
+            $hint = $l->t('The files of the app %1$s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]);
+            throw new \OCP\HintException('The files of the app ' . implode(', ', $incompatibleShippedApps) . ' were not replaced correctly. Make sure it is a version compatible with the server.', $hint);
+        }
+
+        $tmpl->assign('appsToUpgrade', $appManager->getAppsNeedingUpgrade($ocVersion));
+        $tmpl->assign('incompatibleAppsList', $incompatibleApps);
+        try {
+            $defaults = new \OC_Defaults();
+            $tmpl->assign('productName', $defaults->getName());
+        } catch (Throwable $error) {
+            $tmpl->assign('productName', 'Nextcloud');
+        }
+        $tmpl->assign('oldTheme', $oldTheme);
+        $tmpl->printPage();
+    }
+
+    public static function initSession(): void {
+        $request = Server::get(IRequest::class);
+
+        // TODO: Temporary disabled again to solve issues with CalDAV/CardDAV clients like DAVx5 that use cookies
+        // TODO: See https://github.com/nextcloud/server/issues/37277#issuecomment-1476366147 and the other comments
+        // TODO: for further information.
+        // $isDavRequest = strpos($request->getRequestUri(), '/remote.php/dav') === 0 || strpos($request->getRequestUri(), '/remote.php/webdav') === 0;
+        // if ($request->getHeader('Authorization') !== '' && is_null($request->getCookie('cookie_test')) && $isDavRequest && !isset($_COOKIE['nc_session_id'])) {
+        // setcookie('cookie_test', 'test', time() + 3600);
+        // // Do not initialize the session if a request is authenticated directly
+        // // unless there is a session cookie already sent along
+        // return;
+        // }
+
+        if ($request->getServerProtocol() === 'https') {
+            ini_set('session.cookie_secure', 'true');
+        }
+
+        // prevents javascript from accessing php session cookies
+        ini_set('session.cookie_httponly', 'true');
+
+        // set the cookie path to the Nextcloud directory
+        $cookie_path = OC::$WEBROOT ? : '/';
+        ini_set('session.cookie_path', $cookie_path);
+
+        // Let the session name be changed in the initSession Hook
+        $sessionName = OC_Util::getInstanceId();
+
+        try {
+            // set the session name to the instance id - which is unique
+            $session = new \OC\Session\Internal($sessionName);
+
+            $cryptoWrapper = Server::get(\OC\Session\CryptoWrapper::class);
+            $session = $cryptoWrapper->wrapSession($session);
+            self::$server->setSession($session);
+
+            // if session can't be started break with http 500 error
+        } catch (Exception $e) {
+            Server::get(LoggerInterface::class)->error($e->getMessage(), ['app' => 'base','exception' => $e]);
+            //show the user a detailed error page
+            OC_Template::printExceptionErrorPage($e, 500);
+            die();
+        }
+
+        //try to set the session lifetime
+        $sessionLifeTime = self::getSessionLifeTime();
+        @ini_set('gc_maxlifetime', (string)$sessionLifeTime);
+
+        // session timeout
+        if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
+            if (isset($_COOKIE[session_name()])) {
+                setcookie(session_name(), '', -1, self::$WEBROOT ? : '/');
+            }
+            Server::get(IUserSession::class)->logout();
+        }
+
+        if (!self::hasSessionRelaxedExpiry()) {
+            $session->set('LAST_ACTIVITY', time());
+        }
+        $session->close();
+    }
+
+    private static function getSessionLifeTime(): int {
+        return Server::get(\OC\AllConfig::class)->getSystemValueInt('session_lifetime', 60 * 60 * 24);
+    }
+
+    /**
+     * @return bool true if the session expiry should only be done by gc instead of an explicit timeout
+     */
+    public static function hasSessionRelaxedExpiry(): bool {
+        return Server::get(\OC\AllConfig::class)->getSystemValueBool('session_relaxed_expiry', false);
+    }
+
+    /**
+     * Try to set some values to the required Nextcloud default
+     */
+    public static function setRequiredIniValues(): void {
+        @ini_set('default_charset', 'UTF-8');
+        @ini_set('gd.jpeg_ignore_warning', '1');
+    }
+
+    /**
+     * Send the same site cookies
+     */
+    private static function sendSameSiteCookies(): void {
+        $cookieParams = session_get_cookie_params();
+        $secureCookie = ($cookieParams['secure'] === true) ? 'secure; ' : '';
+        $policies = [
+            'lax',
+            'strict',
+        ];
+
+        // Append __Host to the cookie if it meets the requirements
+        $cookiePrefix = '';
+        if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
+            $cookiePrefix = '__Host-';
+        }
+
+        foreach ($policies as $policy) {
+            header(
+                sprintf(
+                    'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;' . $secureCookie . 'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s',
+                    $cookiePrefix,
+                    $policy,
+                    $cookieParams['path'],
+                    $policy
+                ),
+                false
+            );
+        }
+    }
+
+    /**
+     * Same Site cookie to further mitigate CSRF attacks. This cookie has to
+     * be set in every request if cookies are sent to add a second level of
+     * defense against CSRF.
+     *
+     * If the cookie is not sent this will set the cookie and reload the page.
+     * We use an additional cookie since we want to protect logout CSRF and
+     * also we can't directly interfere with PHP's session mechanism.
+     */
+    private static function performSameSiteCookieProtection(\OCP\IConfig $config): void {
+        $request = Server::get(IRequest::class);
+
+        // Some user agents are notorious and don't really properly follow HTTP
+        // specifications. For those, have an automated opt-out. Since the protection
+        // for remote.php is applied in base.php as starting point we need to opt out
+        // here.
+        $incompatibleUserAgents = $config->getSystemValue('csrf.optout');
+
+        // Fallback, if csrf.optout is unset
+        if (!is_array($incompatibleUserAgents)) {
+            $incompatibleUserAgents = [
+                // OS X Finder
+                '/^WebDAVFS/',
+                // Windows webdav drive
+                '/^Microsoft-WebDAV-MiniRedir/',
+            ];
+        }
+
+        if ($request->isUserAgent($incompatibleUserAgents)) {
+            return;
+        }
+
+        if (count($_COOKIE) > 0) {
+            $requestUri = $request->getScriptName();
+            $processingScript = explode('/', $requestUri);
+            $processingScript = $processingScript[count($processingScript) - 1];
+
+            // index.php routes are handled in the middleware
+            if ($processingScript === 'index.php') {
+                return;
+            }
+
+            // All other endpoints require the lax and the strict cookie
+            if (!$request->passesStrictCookieCheck()) {
+                logger('core')->warning('Request does not pass strict cookie check');
+                self::sendSameSiteCookies();
+                // Debug mode gets access to the resources without strict cookie
+                // due to the fact that the SabreDAV browser also lives there.
+                if (!$config->getSystemValue('debug', false)) {
+                    http_response_code(\OCP\AppFramework\Http::STATUS_SERVICE_UNAVAILABLE);
+                    exit();
+                }
+            }
+        } elseif (!isset($_COOKIE['nc_sameSiteCookielax']) || !isset($_COOKIE['nc_sameSiteCookiestrict'])) {
+            self::sendSameSiteCookies();
+        }
+    }
+
+    public static function init(): void {
+        // calculate the root directories
+        OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4));
+
+        // register autoloader
+        $loaderStart = microtime(true);
+        require_once __DIR__ . '/autoloader.php';
+        self::$loader = new \OC\Autoloader([
+            OC::$SERVERROOT . '/lib/private/legacy',
+        ]);
+        if (defined('PHPUNIT_RUN')) {
+            self::$loader->addValidRoot(OC::$SERVERROOT . '/tests');
+        }
+        spl_autoload_register([self::$loader, 'load']);
+        $loaderEnd = microtime(true);
+
+        self::$CLI = (php_sapi_name() == 'cli');
+
+        // Add default composer PSR-4 autoloader
+        self::$composerAutoloader = require_once OC::$SERVERROOT . '/lib/composer/autoload.php';
+        self::$composerAutoloader->setApcuPrefix('composer_autoload');
+
+        try {
+            self::initPaths();
+            // setup 3rdparty autoloader
+            $vendorAutoLoad = OC::$SERVERROOT. '/3rdparty/autoload.php';
+            if (!file_exists($vendorAutoLoad)) {
+                throw new \RuntimeException('Composer autoloader not found, unable to continue. Check the folder "3rdparty". Running "git submodule update --init" will initialize the git submodule that handles the subfolder "3rdparty".');
+            }
+            require_once $vendorAutoLoad;
+        } catch (\RuntimeException $e) {
+            if (!self::$CLI) {
+                http_response_code(503);
+            }
+            // we can't use the template error page here, because this needs the
+            // DI container which isn't available yet
+            print($e->getMessage());
+            exit();
+        }
+
+        // setup the basic server
+        self::$server = new \OC\Server(\OC::$WEBROOT, self::$config);
+        self::$server->boot();
+
+        $eventLogger = Server::get(\OCP\Diagnostics\IEventLogger::class);
+        $eventLogger->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd);
+        $eventLogger->start('boot', 'Initialize');
+
+        // Override php.ini and log everything if we're troubleshooting
+        if (self::$config->getValue('loglevel') === ILogger::DEBUG) {
+            error_reporting(E_ALL);
+        }
+
+        // Don't display errors and log them
+        @ini_set('display_errors', '0');
+        @ini_set('log_errors', '1');
+
+        if (!date_default_timezone_set('UTC')) {
+            throw new \RuntimeException('Could not set timezone to UTC');
+        }
+
+
+        //try to configure php to enable big file uploads.
+        //this doesn´t work always depending on the webserver and php configuration.
+        //Let´s try to overwrite some defaults if they are smaller than 1 hour
+
+        if (intval(@ini_get('max_execution_time') ?? 0) < 3600) {
+            @ini_set('max_execution_time', strval(3600));
+        }
+
+        if (intval(@ini_get('max_input_time') ?? 0) < 3600) {
+            @ini_set('max_input_time', strval(3600));
+        }
+
+        //try to set the maximum execution time to the largest time limit we have
+        if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+            @set_time_limit(max(intval(@ini_get('max_execution_time')), intval(@ini_get('max_input_time'))));
+        }
+
+        self::setRequiredIniValues();
+        self::handleAuthHeaders();
+        $systemConfig = Server::get(\OC\SystemConfig::class);
+        self::registerAutoloaderCache($systemConfig);
+
+        // initialize intl fallback if necessary
+        OC_Util::isSetLocaleWorking();
+
+        $config = Server::get(\OCP\IConfig::class);
+        if (!defined('PHPUNIT_RUN')) {
+            $errorHandler = new OC\Log\ErrorHandler(
+                \OCP\Server::get(\Psr\Log\LoggerInterface::class),
+            );
+            $exceptionHandler = [$errorHandler, 'onException'];
+            if ($config->getSystemValue('debug', false)) {
+                set_error_handler([$errorHandler, 'onAll'], E_ALL);
+                if (\OC::$CLI) {
+                    $exceptionHandler = ['OC_Template', 'printExceptionErrorPage'];
+                }
+            } else {
+                set_error_handler([$errorHandler, 'onError']);
+            }
+            register_shutdown_function([$errorHandler, 'onShutdown']);
+            set_exception_handler($exceptionHandler);
+        }
+
+        /** @var \OC\AppFramework\Bootstrap\Coordinator $bootstrapCoordinator */
+        $bootstrapCoordinator = Server::get(\OC\AppFramework\Bootstrap\Coordinator::class);
+        $bootstrapCoordinator->runInitialRegistration();
+
+        $eventLogger->start('init_session', 'Initialize session');
+        OC_App::loadApps(['session']);
+        if (!self::$CLI) {
+            self::initSession();
+        }
+        $eventLogger->end('init_session');
+        self::checkConfig();
+        self::checkInstalled($systemConfig);
+
+        OC_Response::addSecurityHeaders();
+
+        self::performSameSiteCookieProtection($config);
+
+        if (!defined('OC_CONSOLE')) {
+            $errors = OC_Util::checkServer($systemConfig);
+            if (count($errors) > 0) {
+                if (!self::$CLI) {
+                    http_response_code(503);
+                    OC_Util::addStyle('guest');
+                    try {
+                        OC_Template::printGuestPage('', 'error', ['errors' => $errors]);
+                        exit;
+                    } catch (\Exception $e) {
+                        // In case any error happens when showing the error page, we simply fall back to posting the text.
+                        // This might be the case when e.g. the data directory is broken and we can not load/write SCSS to/from it.
+                    }
+                }
+
+                // Convert l10n string into regular string for usage in database
+                $staticErrors = [];
+                foreach ($errors as $error) {
+                    echo $error['error'] . "\n";
+                    echo $error['hint'] . "\n\n";
+                    $staticErrors[] = [
+                        'error' => (string)$error['error'],
+                        'hint' => (string)$error['hint'],
+                    ];
+                }
+
+                try {
+                    $config->setAppValue('core', 'cronErrors', json_encode($staticErrors));
+                } catch (\Exception $e) {
+                    echo('Writing to database failed');
+                }
+                exit(1);
+            } elseif (self::$CLI && $config->getSystemValue('installed', false)) {
+                $config->deleteAppValue('core', 'cronErrors');
+            }
+        }
+
+        // User and Groups
+        if (!$systemConfig->getValue("installed", false)) {
+            self::$server->getSession()->set('user_id', '');
+        }
+
+        OC_User::useBackend(new \OC\User\Database());
+        Server::get(\OCP\IGroupManager::class)->addBackend(new \OC\Group\Database());
+
+        // Subscribe to the hook
+        \OCP\Util::connectHook(
+            '\OCA\Files_Sharing\API\Server2Server',
+            'preLoginNameUsedAsUserName',
+            '\OC\User\Database',
+            'preLoginNameUsedAsUserName'
+        );
+
+        //setup extra user backends
+        if (!\OCP\Util::needUpgrade()) {
+            OC_User::setupBackends();
+        } else {
+            // Run upgrades in incognito mode
+            OC_User::setIncognitoMode(true);
+        }
+
+        self::registerCleanupHooks($systemConfig);
+        self::registerShareHooks($systemConfig);
+        self::registerEncryptionWrapperAndHooks();
+        self::registerAccountHooks();
+        self::registerResourceCollectionHooks();
+        self::registerFileReferenceEventListener();
+        self::registerRenderReferenceEventListener();
+        self::registerAppRestrictionsHooks();
+
+        // Make sure that the application class is not loaded before the database is setup
+        if ($systemConfig->getValue("installed", false)) {
+            OC_App::loadApp('settings');
+            /* Build core application to make sure that listeners are registered */
+            Server::get(\OC\Core\Application::class);
+        }
+
+        //make sure temporary files are cleaned up
+        $tmpManager = Server::get(\OCP\ITempManager::class);
+        register_shutdown_function([$tmpManager, 'clean']);
+        $lockProvider = Server::get(\OCP\Lock\ILockingProvider::class);
+        register_shutdown_function([$lockProvider, 'releaseAll']);
+
+        // Check whether the sample configuration has been copied
+        if ($systemConfig->getValue('copied_sample_config', false)) {
+            $l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
+            OC_Template::printErrorPage(
+                $l->t('Sample configuration detected'),
+                $l->t('It has been detected that the sample configuration has been copied. This can break your installation and is unsupported. Please read the documentation before performing changes on config.php'),
+                503
+            );
+            return;
+        }
+
+        $request = Server::get(IRequest::class);
+        $host = $request->getInsecureServerHost();
+        /**
+         * if the host passed in headers isn't trusted
+         * FIXME: Should not be in here at all :see_no_evil:
+         */
+        if (!OC::$CLI
+            && !Server::get(\OC\Security\TrustedDomainHelper::class)->isTrustedDomain($host)
+            && $config->getSystemValue('installed', false)
+        ) {
+            // Allow access to CSS resources
+            $isScssRequest = false;
+            if (strpos($request->getPathInfo() ?: '', '/css/') === 0) {
+                $isScssRequest = true;
+            }
+
+            if (substr($request->getRequestUri(), -11) === '/status.php') {
+                http_response_code(400);
+                header('Content-Type: application/json');
+                echo '{"error": "Trusted domain error.", "code": 15}';
+                exit();
+            }
+
+            if (!$isScssRequest) {
+                http_response_code(400);
+                Server::get(LoggerInterface::class)->info(
+                    'Trusted domain error. "{remoteAddress}" tried to access using "{host}" as host.',
+                    [
+                        'app' => 'core',
+                        'remoteAddress' => $request->getRemoteAddress(),
+                        'host' => $host,
+                    ]
+                );
+
+                $tmpl = new OCP\Template('core', 'untrustedDomain', 'guest');
+                $tmpl->assign('docUrl', Server::get(IURLGenerator::class)->linkToDocs('admin-trusted-domains'));
+                $tmpl->printPage();
+
+                exit();
+            }
+        }
+        $eventLogger->end('boot');
+        $eventLogger->log('init', 'OC::init', $loaderStart, microtime(true));
+        $eventLogger->start('runtime', 'Runtime');
+        $eventLogger->start('request', 'Full request after boot');
+        register_shutdown_function(function () use ($eventLogger) {
+            $eventLogger->end('request');
+        });
+    }
+
+    /**
+     * register hooks for the cleanup of cache and bruteforce protection
+     */
+    public static function registerCleanupHooks(\OC\SystemConfig $systemConfig): void {
+        //don't try to do this before we are properly setup
+        if ($systemConfig->getValue('installed', false) && !\OCP\Util::needUpgrade()) {
+            // NOTE: This will be replaced to use OCP
+            $userSession = Server::get(\OC\User\Session::class);
+            $userSession->listen('\OC\User', 'postLogin', function () use ($userSession) {
+                if (!defined('PHPUNIT_RUN') && $userSession->isLoggedIn()) {
+                    // reset brute force delay for this IP address and username
+                    $uid = $userSession->getUser()->getUID();
+                    $request = Server::get(IRequest::class);
+                    $throttler = Server::get(\OC\Security\Bruteforce\Throttler::class);
+                    $throttler->resetDelay($request->getRemoteAddress(), 'login', ['user' => $uid]);
+                }
+
+                try {
+                    $cache = new \OC\Cache\File();
+                    $cache->gc();
+                } catch (\OC\ServerNotAvailableException $e) {
+                    // not a GC exception, pass it on
+                    throw $e;
+                } catch (\OC\ForbiddenException $e) {
+                    // filesystem blocked for this request, ignore
+                } catch (\Exception $e) {
+                    // a GC exception should not prevent users from using OC,
+                    // so log the exception
+                    Server::get(LoggerInterface::class)->warning('Exception when running cache gc.', [
+                        'app' => 'core',
+                        'exception' => $e,
+                    ]);
+                }
+            });
+        }
+    }
+
+    private static function registerEncryptionWrapperAndHooks(): void {
+        $manager = Server::get(\OCP\Encryption\IManager::class);
+        \OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage');
+
+        $enabled = $manager->isEnabled();
+        if ($enabled) {
+            \OCP\Util::connectHook(Share::class, 'post_shared', HookManager::class, 'postShared');
+            \OCP\Util::connectHook(Share::class, 'post_unshare', HookManager::class, 'postUnshared');
+            \OCP\Util::connectHook('OC_Filesystem', 'post_rename', HookManager::class, 'postRename');
+            \OCP\Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', HookManager::class, 'postRestore');
+        }
+    }
+
+    private static function registerAccountHooks(): void {
+        /** @var IEventDispatcher $dispatcher */
+        $dispatcher = Server::get(IEventDispatcher::class);
+        $dispatcher->addServiceListener(UserChangedEvent::class, \OC\Accounts\Hooks::class);
+    }
+
+    private static function registerAppRestrictionsHooks(): void {
+        /** @var \OC\Group\Manager $groupManager */
+        $groupManager = Server::get(\OCP\IGroupManager::class);
+        $groupManager->listen('\OC\Group', 'postDelete', function (\OCP\IGroup $group) {
+            $appManager = Server::get(\OCP\App\IAppManager::class);
+            $apps = $appManager->getEnabledAppsForGroup($group);
+            foreach ($apps as $appId) {
+                $restrictions = $appManager->getAppRestriction($appId);
+                if (empty($restrictions)) {
+                    continue;
+                }
+                $key = array_search($group->getGID(), $restrictions);
+                unset($restrictions[$key]);
+                $restrictions = array_values($restrictions);
+                if (empty($restrictions)) {
+                    $appManager->disableApp($appId);
+                } else {
+                    $appManager->enableAppForGroups($appId, $restrictions);
+                }
+            }
+        });
+    }
+
+    private static function registerResourceCollectionHooks(): void {
+        \OC\Collaboration\Resources\Listener::register(Server::get(SymfonyAdapter::class), Server::get(IEventDispatcher::class));
+    }
+
+    private static function registerFileReferenceEventListener(): void {
+        \OC\Collaboration\Reference\File\FileReferenceEventListener::register(Server::get(IEventDispatcher::class));
+    }
+
+    private static function registerRenderReferenceEventListener() {
+        \OC\Collaboration\Reference\RenderReferenceEventListener::register(Server::get(IEventDispatcher::class));
+    }
+
+    /**
+     * register hooks for sharing
+     */
+    public static function registerShareHooks(\OC\SystemConfig $systemConfig): void {
+        if ($systemConfig->getValue('installed')) {
+            OC_Hook::connect('OC_User', 'post_deleteUser', Hooks::class, 'post_deleteUser');
+            OC_Hook::connect('OC_User', 'post_deleteGroup', Hooks::class, 'post_deleteGroup');
+
+            /** @var IEventDispatcher $dispatcher */
+            $dispatcher = Server::get(IEventDispatcher::class);
+            $dispatcher->addServiceListener(UserRemovedEvent::class, \OC\Share20\UserRemovedListener::class);
+        }
+    }
+
+    protected static function registerAutoloaderCache(\OC\SystemConfig $systemConfig): void {
+        // The class loader takes an optional low-latency cache, which MUST be
+        // namespaced. The instanceid is used for namespacing, but might be
+        // unavailable at this point. Furthermore, it might not be possible to
+        // generate an instanceid via \OC_Util::getInstanceId() because the
+        // config file may not be writable. As such, we only register a class
+        // loader cache if instanceid is available without trying to create one.
+        $instanceId = $systemConfig->getValue('instanceid', null);
+        if ($instanceId) {
+            try {
+                $memcacheFactory = Server::get(\OCP\ICacheFactory::class);
+                self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
+            } catch (\Exception $ex) {
+            }
+        }
+    }
+
+    /**
+     * Handle the request
+     */
+    public static function handleRequest(): void {
+        Server::get(\OCP\Diagnostics\IEventLogger::class)->start('handle_request', 'Handle request');
+        $systemConfig = Server::get(\OC\SystemConfig::class);
+
+        // Check if Nextcloud is installed or in maintenance (update) mode
+        if (!$systemConfig->getValue('installed', false)) {
+            \OC::$server->getSession()->clear();
+            $setupHelper = new OC\Setup(
+                $systemConfig,
+                Server::get(\bantu\IniGetWrapper\IniGetWrapper::class),
+                Server::get(\OCP\L10N\IFactory::class)->get('lib'),
+                Server::get(\OCP\Defaults::class),
+                Server::get(\Psr\Log\LoggerInterface::class),
+                Server::get(\OCP\Security\ISecureRandom::class),
+                Server::get(\OC\Installer::class)
+            );
+            $controller = new OC\Core\Controller\SetupController($setupHelper);
+            $controller->run($_POST);
+            exit();
+        }
+
+        $request = Server::get(IRequest::class);
+        $requestPath = $request->getRawPathInfo();
+        if ($requestPath === '/heartbeat') {
+            return;
+        }
+        if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade
+            self::checkMaintenanceMode($systemConfig);
+
+            if (\OCP\Util::needUpgrade()) {
+                if (function_exists('opcache_reset')) {
+                    opcache_reset();
+                }
+                if (!((bool) $systemConfig->getValue('maintenance', false))) {
+                    self::printUpgradePage($systemConfig);
+                    exit();
+                }
+            }
+        }
+
+        // emergency app disabling
+        if ($requestPath === '/disableapp'
+            && $request->getMethod() === 'POST'
+        ) {
+            \OC_JSON::callCheck();
+            \OC_JSON::checkAdminUser();
+            $appIds = (array)$request->getParam('appid');
+            foreach ($appIds as $appId) {
+                $appId = \OC_App::cleanAppId($appId);
+                Server::get(\OCP\App\IAppManager::class)->disableApp($appId);
+            }
+            \OC_JSON::success();
+            exit();
+        }
+
+        // Always load authentication apps
+        OC_App::loadApps(['authentication']);
+        OC_App::loadApps(['extended_authentication']);
+
+        // Load minimum set of apps
+        if (!\OCP\Util::needUpgrade()
+            && !((bool) $systemConfig->getValue('maintenance', false))) {
+            // For logged-in users: Load everything
+            if (Server::get(IUserSession::class)->isLoggedIn()) {
+                OC_App::loadApps();
+            } else {
+                // For guests: Load only filesystem and logging
+                OC_App::loadApps(['filesystem', 'logging']);
+
+                // Don't try to login when a client is trying to get a OAuth token.
+                // OAuth needs to support basic auth too, so the login is not valid
+                // inside Nextcloud and the Login exception would ruin it.
+                if ($request->getRawPathInfo() !== '/apps/oauth2/api/v1/token') {
+                    self::handleLogin($request);
+                }
+            }
+        }
+
+        if (!self::$CLI) {
+            try {
+                if (!((bool) $systemConfig->getValue('maintenance', false)) && !\OCP\Util::needUpgrade()) {
+                    OC_App::loadApps(['filesystem', 'logging']);
+                    OC_App::loadApps();
+                }
+                Server::get(\OC\Route\Router::class)->match($request->getRawPathInfo());
+                return;
+            } catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
+                //header('HTTP/1.0 404 Not Found');
+            } catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
+                http_response_code(405);
+                return;
+            }
+        }
+
+        // Handle WebDAV
+        if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') {
+            // not allowed any more to prevent people
+            // mounting this root directly.
+            // Users need to mount remote.php/webdav instead.
+            http_response_code(405);
+            return;
+        }
+
+        // Handle requests for JSON or XML
+        $acceptHeader = $request->getHeader('Accept');
+        if (in_array($acceptHeader, ['application/json', 'application/xml'], true)) {
+            http_response_code(404);
+            return;
+        }
+
+        // Handle resources that can't be found
+        // This prevents browsers from redirecting to the default page and then
+        // attempting to parse HTML as CSS and similar.
+        $destinationHeader = $request->getHeader('Sec-Fetch-Dest');
+        if (in_array($destinationHeader, ['font', 'script', 'style'])) {
+            http_response_code(404);
+            return;
+        }
+
+        // Redirect to the default app or login only as an entry point
+        if ($requestPath === '') {
+            // Someone is logged in
+            if (Server::get(IUserSession::class)->isLoggedIn()) {
+                header('Location: ' . Server::get(IURLGenerator::class)->linkToDefaultPageUrl());
+            } else {
+                // Not handled and not logged in
+                header('Location: ' . Server::get(IURLGenerator::class)->linkToRouteAbsolute('core.login.showLoginForm'));
+            }
+            return;
+        }
+
+        try {
+            Server::get(\OC\Route\Router::class)->match('/error/404');
+        } catch (\Exception $e) {
+            if (!$e instanceof MethodNotAllowedException) {
+                logger('core')->emergency($e->getMessage(), ['exception' => $e]);
+            }
+            $l = Server::get(\OCP\L10N\IFactory::class)->get('lib');
+            OC_Template::printErrorPage(
+                $l->t('404'),
+                $l->t('The page could not be found on the server.'),
+                404
+            );
+        }
+    }
+
+    /**
+     * Check login: apache auth, auth token, basic auth
+     */
+    public static function handleLogin(OCP\IRequest $request): bool {
+        $userSession = Server::get(\OC\User\Session::class);
+        if (OC_User::handleApacheAuth()) {
+            return true;
+        }
+        if ($userSession->tryTokenLogin($request)) {
+            return true;
+        }
+        if (isset($_COOKIE['nc_username'])
+            && isset($_COOKIE['nc_token'])
+            && isset($_COOKIE['nc_session_id'])
+            && $userSession->loginWithCookie($_COOKIE['nc_username'], $_COOKIE['nc_token'], $_COOKIE['nc_session_id'])) {
+            return true;
+        }
+        if ($userSession->tryBasicAuthLogin($request, Server::get(\OC\Security\Bruteforce\Throttler::class))) {
+            return true;
+        }
+        return false;
+    }
+
+    protected static function handleAuthHeaders(): void {
+        //copy http auth headers for apache+php-fcgid work around
+        if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) {
+            $_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION'];
+        }
+
+        // Extract PHP_AUTH_USER/PHP_AUTH_PW from other headers if necessary.
+        $vars = [
+            'HTTP_AUTHORIZATION', // apache+php-cgi work around
+            'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative
+        ];
+        foreach ($vars as $var) {
+            if (isset($_SERVER[$var]) && is_string($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) {
+                $credentials = explode(':', base64_decode($matches[1]), 2);
+                if (count($credentials) === 2) {
+                    $_SERVER['PHP_AUTH_USER'] = $credentials[0];
+                    $_SERVER['PHP_AUTH_PW'] = $credentials[1];
+                    break;
+                }
+            }
+        }
+    }
 }
 
 OC::init();

ocs/v1.php

Indentation +40 added lines, -40 removed lines

@@ -31,14 +31,14 @@ 
 require_once __DIR__ . '/../lib/base.php';
 
 if (\OCP\Util::needUpgrade()
-	|| \OC::$server->getConfig()->getSystemValueBool('maintenance')) {
-	// since the behavior of apps or remotes are unpredictable during
-	// an upgrade, return a 503 directly
-	http_response_code(503);
-	header('X-Nextcloud-Maintenance-Mode: 1');
-	$response = new \OC\OCS\Result(null, 503, 'Service unavailable');
-	OC_API::respond($response, OC_API::requestedFormat());
-	exit;
+    || \OC::$server->getConfig()->getSystemValueBool('maintenance')) {
+    // since the behavior of apps or remotes are unpredictable during
+    // an upgrade, return a 503 directly
+    http_response_code(503);
+    header('X-Nextcloud-Maintenance-Mode: 1');
+    $response = new \OC\OCS\Result(null, 503, 'Service unavailable');
+    OC_API::respond($response, OC_API::requestedFormat());
+    exit;
 }
 
 use Symfony\Component\Routing\Exception\ResourceNotFoundException;
@@ -48,46 +48,46 @@ 
  * Try the appframework routes
  */
 try {
-	OC_App::loadApps(['session']);
-	OC_App::loadApps(['authentication']);
-	OC_App::loadApps(['extended_authentication']);
+    OC_App::loadApps(['session']);
+    OC_App::loadApps(['authentication']);
+    OC_App::loadApps(['extended_authentication']);
 
-	// load all apps to get all api routes properly setup
-	// FIXME: this should ideally appear after handleLogin but will cause
-	// side effects in existing apps
-	OC_App::loadApps();
+    // load all apps to get all api routes properly setup
+    // FIXME: this should ideally appear after handleLogin but will cause
+    // side effects in existing apps
+    OC_App::loadApps();
 
-	if (!\OC::$server->getUserSession()->isLoggedIn()) {
-		OC::handleLogin(\OC::$server->getRequest());
-	}
+    if (!\OC::$server->getUserSession()->isLoggedIn()) {
+        OC::handleLogin(\OC::$server->getRequest());
+    }
 
-	OC::$server->get(\OC\Route\Router::class)->match('/ocsapp'.\OC::$server->getRequest()->getRawPathInfo());
+    OC::$server->get(\OC\Route\Router::class)->match('/ocsapp'.\OC::$server->getRequest()->getRawPathInfo());
 } catch (ResourceNotFoundException $e) {
-	OC_API::setContentType();
+    OC_API::setContentType();
 
-	$format = \OC::$server->getRequest()->getParam('format', 'xml');
-	$txt = 'Invalid query, please check the syntax. API specifications are here:'
-		.' http://www.freedesktop.org/wiki/Specifications/open-collaboration-services.'."\n";
-	OC_API::respond(new \OC\OCS\Result(null, \OCP\AppFramework\OCSController::RESPOND_NOT_FOUND, $txt), $format);
+    $format = \OC::$server->getRequest()->getParam('format', 'xml');
+    $txt = 'Invalid query, please check the syntax. API specifications are here:'
+        .' http://www.freedesktop.org/wiki/Specifications/open-collaboration-services.'."\n";
+    OC_API::respond(new \OC\OCS\Result(null, \OCP\AppFramework\OCSController::RESPOND_NOT_FOUND, $txt), $format);
 } catch (MethodNotAllowedException $e) {
-	OC_API::setContentType();
-	http_response_code(405);
+    OC_API::setContentType();
+    http_response_code(405);
 } catch (\OC\OCS\Exception $ex) {
-	OC_API::respond($ex->getResult(), OC_API::requestedFormat());
+    OC_API::respond($ex->getResult(), OC_API::requestedFormat());
 } catch (\OC\User\LoginException $e) {
-	OC_API::respond(new \OC\OCS\Result(null, \OCP\AppFramework\OCSController::RESPOND_UNAUTHORISED, 'Unauthorised'));
+    OC_API::respond(new \OC\OCS\Result(null, \OCP\AppFramework\OCSController::RESPOND_UNAUTHORISED, 'Unauthorised'));
 } catch (\Exception $e) {
-	\OC::$server->getLogger()->logException($e);
-	OC_API::setContentType();
+    \OC::$server->getLogger()->logException($e);
+    OC_API::setContentType();
 
-	$format = \OC::$server->getRequest()->getParam('format', 'xml');
-	$txt = 'Internal Server Error'."\n";
-	try {
-		if (\OC::$server->getSystemConfig()->getValue('debug', false)) {
-			$txt .= $e->getMessage();
-		}
-	} catch (\Throwable $e) {
-		// Just to be save
-	}
-	OC_API::respond(new \OC\OCS\Result(null, \OCP\AppFramework\OCSController::RESPOND_SERVER_ERROR, $txt), $format);
+    $format = \OC::$server->getRequest()->getParam('format', 'xml');
+    $txt = 'Internal Server Error'."\n";
+    try {
+        if (\OC::$server->getSystemConfig()->getValue('debug', false)) {
+            $txt .= $e->getMessage();
+        }
+    } catch (\Throwable $e) {
+        // Just to be save
+    }
+    OC_API::respond(new \OC\OCS\Result(null, \OCP\AppFramework\OCSController::RESPOND_SERVER_ERROR, $txt), $format);
 }