nextcloud / server

lib/private/AppFramework/Middleware/Security/SecurityMiddleware.php

Indentation +179 added lines, -179 removed lines

@@ -63,206 +63,206 @@
  * check fails
  */
 class SecurityMiddleware extends Middleware {
-	/** @var INavigationManager */
-	private $navigationManager;
-	/** @var IRequest */
-	private $request;
-	/** @var ControllerMethodReflector */
-	private $reflector;
-	/** @var string */
-	private $appName;
-	/** @var IURLGenerator */
-	private $urlGenerator;
-	/** @var ILogger */
-	private $logger;
-	/** @var ISession */
-	private $session;
-	/** @var bool */
-	private $isLoggedIn;
-	/** @var bool */
-	private $isAdminUser;
-	/** @var ContentSecurityPolicyManager */
-	private $contentSecurityPolicyManager;
-	/** @var CsrfTokenManager */
-	private $csrfTokenManager;
-	/** @var ContentSecurityPolicyNonceManager */
-	private $cspNonceManager;
+    /** @var INavigationManager */
+    private $navigationManager;
+    /** @var IRequest */
+    private $request;
+    /** @var ControllerMethodReflector */
+    private $reflector;
+    /** @var string */
+    private $appName;
+    /** @var IURLGenerator */
+    private $urlGenerator;
+    /** @var ILogger */
+    private $logger;
+    /** @var ISession */
+    private $session;
+    /** @var bool */
+    private $isLoggedIn;
+    /** @var bool */
+    private $isAdminUser;
+    /** @var ContentSecurityPolicyManager */
+    private $contentSecurityPolicyManager;
+    /** @var CsrfTokenManager */
+    private $csrfTokenManager;
+    /** @var ContentSecurityPolicyNonceManager */
+    private $cspNonceManager;
 
-	/**
-	 * @param IRequest $request
-	 * @param ControllerMethodReflector $reflector
-	 * @param INavigationManager $navigationManager
-	 * @param IURLGenerator $urlGenerator
-	 * @param ILogger $logger
-	 * @param ISession $session
-	 * @param string $appName
-	 * @param bool $isLoggedIn
-	 * @param bool $isAdminUser
-	 * @param ContentSecurityPolicyManager $contentSecurityPolicyManager
-	 * @param CSRFTokenManager $csrfTokenManager
-	 * @param ContentSecurityPolicyNonceManager $cspNonceManager
-	 */
-	public function __construct(IRequest $request,
-								ControllerMethodReflector $reflector,
-								INavigationManager $navigationManager,
-								IURLGenerator $urlGenerator,
-								ILogger $logger,
-								ISession $session,
-								$appName,
-								$isLoggedIn,
-								$isAdminUser,
-								ContentSecurityPolicyManager $contentSecurityPolicyManager,
-								CsrfTokenManager $csrfTokenManager,
-								ContentSecurityPolicyNonceManager $cspNonceManager) {
-		$this->navigationManager = $navigationManager;
-		$this->request = $request;
-		$this->reflector = $reflector;
-		$this->appName = $appName;
-		$this->urlGenerator = $urlGenerator;
-		$this->logger = $logger;
-		$this->session = $session;
-		$this->isLoggedIn = $isLoggedIn;
-		$this->isAdminUser = $isAdminUser;
-		$this->contentSecurityPolicyManager = $contentSecurityPolicyManager;
-		$this->csrfTokenManager = $csrfTokenManager;
-		$this->cspNonceManager = $cspNonceManager;
-	}
+    /**
+     * @param IRequest $request
+     * @param ControllerMethodReflector $reflector
+     * @param INavigationManager $navigationManager
+     * @param IURLGenerator $urlGenerator
+     * @param ILogger $logger
+     * @param ISession $session
+     * @param string $appName
+     * @param bool $isLoggedIn
+     * @param bool $isAdminUser
+     * @param ContentSecurityPolicyManager $contentSecurityPolicyManager
+     * @param CSRFTokenManager $csrfTokenManager
+     * @param ContentSecurityPolicyNonceManager $cspNonceManager
+     */
+    public function __construct(IRequest $request,
+                                ControllerMethodReflector $reflector,
+                                INavigationManager $navigationManager,
+                                IURLGenerator $urlGenerator,
+                                ILogger $logger,
+                                ISession $session,
+                                $appName,
+                                $isLoggedIn,
+                                $isAdminUser,
+                                ContentSecurityPolicyManager $contentSecurityPolicyManager,
+                                CsrfTokenManager $csrfTokenManager,
+                                ContentSecurityPolicyNonceManager $cspNonceManager) {
+        $this->navigationManager = $navigationManager;
+        $this->request = $request;
+        $this->reflector = $reflector;
+        $this->appName = $appName;
+        $this->urlGenerator = $urlGenerator;
+        $this->logger = $logger;
+        $this->session = $session;
+        $this->isLoggedIn = $isLoggedIn;
+        $this->isAdminUser = $isAdminUser;
+        $this->contentSecurityPolicyManager = $contentSecurityPolicyManager;
+        $this->csrfTokenManager = $csrfTokenManager;
+        $this->cspNonceManager = $cspNonceManager;
+    }
 
-	/**
-	 * This runs all the security checks before a method call. The
-	 * security checks are determined by inspecting the controller method
-	 * annotations
-	 * @param Controller $controller the controller
-	 * @param string $methodName the name of the method
-	 * @throws SecurityException when a security check fails
-	 */
-	public function beforeController($controller, $methodName) {
+    /**
+     * This runs all the security checks before a method call. The
+     * security checks are determined by inspecting the controller method
+     * annotations
+     * @param Controller $controller the controller
+     * @param string $methodName the name of the method
+     * @throws SecurityException when a security check fails
+     */
+    public function beforeController($controller, $methodName) {
 
-		// this will set the current navigation entry of the app, use this only
-		// for normal HTML requests and not for AJAX requests
-		$this->navigationManager->setActiveEntry($this->appName);
+        // this will set the current navigation entry of the app, use this only
+        // for normal HTML requests and not for AJAX requests
+        $this->navigationManager->setActiveEntry($this->appName);
 
-		// security checks
-		$isPublicPage = $this->reflector->hasAnnotation('PublicPage');
-		if(!$isPublicPage) {
-			if(!$this->isLoggedIn) {
-				throw new NotLoggedInException();
-			}
+        // security checks
+        $isPublicPage = $this->reflector->hasAnnotation('PublicPage');
+        if(!$isPublicPage) {
+            if(!$this->isLoggedIn) {
+                throw new NotLoggedInException();
+            }
 
-			if(!$this->reflector->hasAnnotation('NoAdminRequired')) {
-				if(!$this->isAdminUser) {
-					throw new NotAdminException();
-				}
-			}
-		}
+            if(!$this->reflector->hasAnnotation('NoAdminRequired')) {
+                if(!$this->isAdminUser) {
+                    throw new NotAdminException();
+                }
+            }
+        }
 
-		if ($this->reflector->hasAnnotation('PasswordConfirmationRequired')) {
-			$lastConfirm = (int) $this->session->get('last-password-confirm');
-			if ($lastConfirm < (time() - (30 * 60 + 15))) { // allow 15 seconds delay
-				throw new NotConfirmedException();
-			}
-		}
+        if ($this->reflector->hasAnnotation('PasswordConfirmationRequired')) {
+            $lastConfirm = (int) $this->session->get('last-password-confirm');
+            if ($lastConfirm < (time() - (30 * 60 + 15))) { // allow 15 seconds delay
+                throw new NotConfirmedException();
+            }
+        }
 
-		// Check for strict cookie requirement
-		if($this->reflector->hasAnnotation('StrictCookieRequired') || !$this->reflector->hasAnnotation('NoCSRFRequired')) {
-			if(!$this->request->passesStrictCookieCheck()) {
-				throw new StrictCookieMissingException();
-			}
-		}
-		// CSRF check - also registers the CSRF token since the session may be closed later
-		Util::callRegister();
-		if(!$this->reflector->hasAnnotation('NoCSRFRequired')) {
-			/*
+        // Check for strict cookie requirement
+        if($this->reflector->hasAnnotation('StrictCookieRequired') || !$this->reflector->hasAnnotation('NoCSRFRequired')) {
+            if(!$this->request->passesStrictCookieCheck()) {
+                throw new StrictCookieMissingException();
+            }
+        }
+        // CSRF check - also registers the CSRF token since the session may be closed later
+        Util::callRegister();
+        if(!$this->reflector->hasAnnotation('NoCSRFRequired')) {
+            /*
 			 * Only allow the CSRF check to fail on OCS Requests. This kind of
 			 * hacks around that we have no full token auth in place yet and we
 			 * do want to offer CSRF checks for web requests.
 			 */
-			if(!$this->request->passesCSRFCheck() && !(
-					$controller instanceof OCSController &&
-					$this->request->getHeader('OCS-APIREQUEST') === 'true')) {
-				throw new CrossSiteRequestForgeryException();
-			}
-		}
+            if(!$this->request->passesCSRFCheck() && !(
+                    $controller instanceof OCSController &&
+                    $this->request->getHeader('OCS-APIREQUEST') === 'true')) {
+                throw new CrossSiteRequestForgeryException();
+            }
+        }
 
-		/**
-		 * FIXME: Use DI once available
-		 * Checks if app is enabled (also includes a check whether user is allowed to access the resource)
-		 * The getAppPath() check is here since components such as settings also use the AppFramework and
-		 * therefore won't pass this check.
-		 */
-		if(\OC_App::getAppPath($this->appName) !== false && !\OC_App::isEnabled($this->appName)) {
-			throw new AppNotEnabledException();
-		}
+        /**
+         * FIXME: Use DI once available
+         * Checks if app is enabled (also includes a check whether user is allowed to access the resource)
+         * The getAppPath() check is here since components such as settings also use the AppFramework and
+         * therefore won't pass this check.
+         */
+        if(\OC_App::getAppPath($this->appName) !== false && !\OC_App::isEnabled($this->appName)) {
+            throw new AppNotEnabledException();
+        }
 
-	}
+    }
 
-	/**
-	 * Performs the default CSP modifications that may be injected by other
-	 * applications
-	 *
-	 * @param Controller $controller
-	 * @param string $methodName
-	 * @param Response $response
-	 * @return Response
-	 */
-	public function afterController($controller, $methodName, Response $response) {
-		$policy = !is_null($response->getContentSecurityPolicy()) ? $response->getContentSecurityPolicy() : new ContentSecurityPolicy();
+    /**
+     * Performs the default CSP modifications that may be injected by other
+     * applications
+     *
+     * @param Controller $controller
+     * @param string $methodName
+     * @param Response $response
+     * @return Response
+     */
+    public function afterController($controller, $methodName, Response $response) {
+        $policy = !is_null($response->getContentSecurityPolicy()) ? $response->getContentSecurityPolicy() : new ContentSecurityPolicy();
 
-		if (get_class($policy) === EmptyContentSecurityPolicy::class) {
-			return $response;
-		}
+        if (get_class($policy) === EmptyContentSecurityPolicy::class) {
+            return $response;
+        }
 
-		$defaultPolicy = $this->contentSecurityPolicyManager->getDefaultPolicy();
-		$defaultPolicy = $this->contentSecurityPolicyManager->mergePolicies($defaultPolicy, $policy);
+        $defaultPolicy = $this->contentSecurityPolicyManager->getDefaultPolicy();
+        $defaultPolicy = $this->contentSecurityPolicyManager->mergePolicies($defaultPolicy, $policy);
 
-		if($this->cspNonceManager->browserSupportsCspV3()) {
-			$defaultPolicy->useJsNonce($this->csrfTokenManager->getToken()->getEncryptedValue());
-		}
+        if($this->cspNonceManager->browserSupportsCspV3()) {
+            $defaultPolicy->useJsNonce($this->csrfTokenManager->getToken()->getEncryptedValue());
+        }
 
-		$response->setContentSecurityPolicy($defaultPolicy);
+        $response->setContentSecurityPolicy($defaultPolicy);
 
-		return $response;
-	}
+        return $response;
+    }
 
-	/**
-	 * If an SecurityException is being caught, ajax requests return a JSON error
-	 * response and non ajax requests redirect to the index
-	 * @param Controller $controller the controller that is being called
-	 * @param string $methodName the name of the method that will be called on
-	 *                           the controller
-	 * @param \Exception $exception the thrown exception
-	 * @throws \Exception the passed in exception if it can't handle it
-	 * @return Response a Response object or null in case that the exception could not be handled
-	 */
-	public function afterException($controller, $methodName, \Exception $exception) {
-		if($exception instanceof SecurityException) {
-			if($exception instanceof StrictCookieMissingException) {
-				return new RedirectResponse(\OC::$WEBROOT);
- 			}
-			if (stripos($this->request->getHeader('Accept'),'html') === false) {
-				$response = new JSONResponse(
-					array('message' => $exception->getMessage()),
-					$exception->getCode()
-				);
-			} else {
-				if($exception instanceof NotLoggedInException) {
-					$params = [];
-					if (isset($this->request->server['REQUEST_URI'])) {
-						$params['redirect_url'] = $this->request->server['REQUEST_URI'];
-					}
-					$url = $this->urlGenerator->linkToRoute('core.login.showLoginForm', $params);
-					$response = new RedirectResponse($url);
-				} else {
-					$response = new TemplateResponse('core', '403', ['file' => $exception->getMessage()], 'guest');
-					$response->setStatus($exception->getCode());
-				}
-			}
+    /**
+     * If an SecurityException is being caught, ajax requests return a JSON error
+     * response and non ajax requests redirect to the index
+     * @param Controller $controller the controller that is being called
+     * @param string $methodName the name of the method that will be called on
+     *                           the controller
+     * @param \Exception $exception the thrown exception
+     * @throws \Exception the passed in exception if it can't handle it
+     * @return Response a Response object or null in case that the exception could not be handled
+     */
+    public function afterException($controller, $methodName, \Exception $exception) {
+        if($exception instanceof SecurityException) {
+            if($exception instanceof StrictCookieMissingException) {
+                return new RedirectResponse(\OC::$WEBROOT);
+                }
+            if (stripos($this->request->getHeader('Accept'),'html') === false) {
+                $response = new JSONResponse(
+                    array('message' => $exception->getMessage()),
+                    $exception->getCode()
+                );
+            } else {
+                if($exception instanceof NotLoggedInException) {
+                    $params = [];
+                    if (isset($this->request->server['REQUEST_URI'])) {
+                        $params['redirect_url'] = $this->request->server['REQUEST_URI'];
+                    }
+                    $url = $this->urlGenerator->linkToRoute('core.login.showLoginForm', $params);
+                    $response = new RedirectResponse($url);
+                } else {
+                    $response = new TemplateResponse('core', '403', ['file' => $exception->getMessage()], 'guest');
+                    $response->setStatus($exception->getCode());
+                }
+            }
 
-			$this->logger->debug($exception->getMessage());
-			return $response;
-		}
+            $this->logger->debug($exception->getMessage());
+            return $response;
+        }
 
-		throw $exception;
-	}
+        throw $exception;
+    }
 
 }

Spacing +14 added lines, -14 removed lines

@@ -144,13 +144,13 @@ 
 
 		// security checks
 		$isPublicPage = $this->reflector->hasAnnotation('PublicPage');
-		if(!$isPublicPage) {
-			if(!$this->isLoggedIn) {
+		if (!$isPublicPage) {
+			if (!$this->isLoggedIn) {
 				throw new NotLoggedInException();
 			}
 
-			if(!$this->reflector->hasAnnotation('NoAdminRequired')) {
-				if(!$this->isAdminUser) {
+			if (!$this->reflector->hasAnnotation('NoAdminRequired')) {
+				if (!$this->isAdminUser) {
 					throw new NotAdminException();
 				}
 			}
@@ -164,20 +164,20 @@ 
 		}
 
 		// Check for strict cookie requirement
-		if($this->reflector->hasAnnotation('StrictCookieRequired') || !$this->reflector->hasAnnotation('NoCSRFRequired')) {
-			if(!$this->request->passesStrictCookieCheck()) {
+		if ($this->reflector->hasAnnotation('StrictCookieRequired') || !$this->reflector->hasAnnotation('NoCSRFRequired')) {
+			if (!$this->request->passesStrictCookieCheck()) {
 				throw new StrictCookieMissingException();
 			}
 		}
 		// CSRF check - also registers the CSRF token since the session may be closed later
 		Util::callRegister();
-		if(!$this->reflector->hasAnnotation('NoCSRFRequired')) {
+		if (!$this->reflector->hasAnnotation('NoCSRFRequired')) {
 			/*
 			 * Only allow the CSRF check to fail on OCS Requests. This kind of
 			 * hacks around that we have no full token auth in place yet and we
 			 * do want to offer CSRF checks for web requests.
 			 */
-			if(!$this->request->passesCSRFCheck() && !(
+			if (!$this->request->passesCSRFCheck() && !(
 					$controller instanceof OCSController &&
 					$this->request->getHeader('OCS-APIREQUEST') === 'true')) {
 				throw new CrossSiteRequestForgeryException();
@@ -190,7 +190,7 @@ 
 		 * The getAppPath() check is here since components such as settings also use the AppFramework and
 		 * therefore won't pass this check.
 		 */
-		if(\OC_App::getAppPath($this->appName) !== false && !\OC_App::isEnabled($this->appName)) {
+		if (\OC_App::getAppPath($this->appName) !== false && !\OC_App::isEnabled($this->appName)) {
 			throw new AppNotEnabledException();
 		}
 
@@ -215,7 +215,7 @@ 
 		$defaultPolicy = $this->contentSecurityPolicyManager->getDefaultPolicy();
 		$defaultPolicy = $this->contentSecurityPolicyManager->mergePolicies($defaultPolicy, $policy);
 
-		if($this->cspNonceManager->browserSupportsCspV3()) {
+		if ($this->cspNonceManager->browserSupportsCspV3()) {
 			$defaultPolicy->useJsNonce($this->csrfTokenManager->getToken()->getEncryptedValue());
 		}
 
@@ -235,17 +235,17 @@ 
 	 * @return Response a Response object or null in case that the exception could not be handled
 	 */
 	public function afterException($controller, $methodName, \Exception $exception) {
-		if($exception instanceof SecurityException) {
-			if($exception instanceof StrictCookieMissingException) {
+		if ($exception instanceof SecurityException) {
+			if ($exception instanceof StrictCookieMissingException) {
 				return new RedirectResponse(\OC::$WEBROOT);
  			}
-			if (stripos($this->request->getHeader('Accept'),'html') === false) {
+			if (stripos($this->request->getHeader('Accept'), 'html') === false) {
 				$response = new JSONResponse(
 					array('message' => $exception->getMessage()),
 					$exception->getCode()
 				);
 			} else {
-				if($exception instanceof NotLoggedInException) {
+				if ($exception instanceof NotLoggedInException) {
 					$params = [];
 					if (isset($this->request->server['REQUEST_URI'])) {
 						$params['redirect_url'] = $this->request->server['REQUEST_URI'];

lib/private/Route/Router.php

Indentation +309 added lines, -309 removed lines

@@ -45,339 +45,339 @@
 use Symfony\Component\Routing\Exception\ResourceNotFoundException;
 
 class Router implements IRouter {
-	/** @var RouteCollection[] */
-	protected $collections = [];
-	/** @var null|RouteCollection */
-	protected $collection = null;
-	/** @var null|string */
-	protected $collectionName = null;
-	/** @var null|RouteCollection */
-	protected $root = null;
-	/** @var null|UrlGenerator */
-	protected $generator = null;
-	/** @var string[] */
-	protected $routingFiles;
-	/** @var bool */
-	protected $loaded = false;
-	/** @var array */
-	protected $loadedApps = [];
-	/** @var ILogger */
-	protected $logger;
-	/** @var RequestContext */
-	protected $context;
+    /** @var RouteCollection[] */
+    protected $collections = [];
+    /** @var null|RouteCollection */
+    protected $collection = null;
+    /** @var null|string */
+    protected $collectionName = null;
+    /** @var null|RouteCollection */
+    protected $root = null;
+    /** @var null|UrlGenerator */
+    protected $generator = null;
+    /** @var string[] */
+    protected $routingFiles;
+    /** @var bool */
+    protected $loaded = false;
+    /** @var array */
+    protected $loadedApps = [];
+    /** @var ILogger */
+    protected $logger;
+    /** @var RequestContext */
+    protected $context;
 
-	/**
-	 * @param ILogger $logger
-	 */
-	public function __construct(ILogger $logger) {
-		$this->logger = $logger;
-		$baseUrl = \OC::$WEBROOT;
-		if(!(\OC::$server->getConfig()->getSystemValue('htaccess.IgnoreFrontController', false) === true || getenv('front_controller_active') === 'true')) {
-			$baseUrl = \OC::$server->getURLGenerator()->linkTo('', 'index.php');
-		}
-		if (!\OC::$CLI && isset($_SERVER['REQUEST_METHOD'])) {
-			$method = $_SERVER['REQUEST_METHOD'];
-		} else {
-			$method = 'GET';
-		}
-		$request = \OC::$server->getRequest();
-		$host = $request->getServerHost();
-		$schema = $request->getServerProtocol();
-		$this->context = new RequestContext($baseUrl, $method, $host, $schema);
-		// TODO cache
-		$this->root = $this->getCollection('root');
-	}
+    /**
+     * @param ILogger $logger
+     */
+    public function __construct(ILogger $logger) {
+        $this->logger = $logger;
+        $baseUrl = \OC::$WEBROOT;
+        if(!(\OC::$server->getConfig()->getSystemValue('htaccess.IgnoreFrontController', false) === true || getenv('front_controller_active') === 'true')) {
+            $baseUrl = \OC::$server->getURLGenerator()->linkTo('', 'index.php');
+        }
+        if (!\OC::$CLI && isset($_SERVER['REQUEST_METHOD'])) {
+            $method = $_SERVER['REQUEST_METHOD'];
+        } else {
+            $method = 'GET';
+        }
+        $request = \OC::$server->getRequest();
+        $host = $request->getServerHost();
+        $schema = $request->getServerProtocol();
+        $this->context = new RequestContext($baseUrl, $method, $host, $schema);
+        // TODO cache
+        $this->root = $this->getCollection('root');
+    }
 
-	/**
-	 * Get the files to load the routes from
-	 *
-	 * @return string[]
-	 */
-	public function getRoutingFiles() {
-		if (!isset($this->routingFiles)) {
-			$this->routingFiles = [];
-			foreach (\OC_APP::getEnabledApps() as $app) {
-				$appPath = \OC_App::getAppPath($app);
-				if($appPath !== false) {
-					$file = $appPath . '/appinfo/routes.php';
-					if (file_exists($file)) {
-						$this->routingFiles[$app] = $file;
-					}
-				}
-			}
-		}
-		return $this->routingFiles;
-	}
+    /**
+     * Get the files to load the routes from
+     *
+     * @return string[]
+     */
+    public function getRoutingFiles() {
+        if (!isset($this->routingFiles)) {
+            $this->routingFiles = [];
+            foreach (\OC_APP::getEnabledApps() as $app) {
+                $appPath = \OC_App::getAppPath($app);
+                if($appPath !== false) {
+                    $file = $appPath . '/appinfo/routes.php';
+                    if (file_exists($file)) {
+                        $this->routingFiles[$app] = $file;
+                    }
+                }
+            }
+        }
+        return $this->routingFiles;
+    }
 
-	/**
-	 * Loads the routes
-	 *
-	 * @param null|string $app
-	 */
-	public function loadRoutes($app = null) {
-		if(is_string($app)) {
-			$app = \OC_App::cleanAppId($app);
-		}
+    /**
+     * Loads the routes
+     *
+     * @param null|string $app
+     */
+    public function loadRoutes($app = null) {
+        if(is_string($app)) {
+            $app = \OC_App::cleanAppId($app);
+        }
 
-		$requestedApp = $app;
-		if ($this->loaded) {
-			return;
-		}
-		if (is_null($app)) {
-			$this->loaded = true;
-			$routingFiles = $this->getRoutingFiles();
-		} else {
-			if (isset($this->loadedApps[$app])) {
-				return;
-			}
-			$file = \OC_App::getAppPath($app) . '/appinfo/routes.php';
-			if ($file !== false && file_exists($file)) {
-				$routingFiles = [$app => $file];
-			} else {
-				$routingFiles = [];
-			}
-		}
-		\OC::$server->getEventLogger()->start('loadroutes' . $requestedApp, 'Loading Routes');
-		foreach ($routingFiles as $app => $file) {
-			if (!isset($this->loadedApps[$app])) {
-				if (!\OC_App::isAppLoaded($app)) {
-					// app MUST be loaded before app routes
-					// try again next time loadRoutes() is called
-					$this->loaded = false;
-					continue;
-				}
-				$this->loadedApps[$app] = true;
-				$this->useCollection($app);
-				$this->requireRouteFile($file, $app);
-				$collection = $this->getCollection($app);
-				$collection->addPrefix('/apps/' . $app);
-				$this->root->addCollection($collection);
+        $requestedApp = $app;
+        if ($this->loaded) {
+            return;
+        }
+        if (is_null($app)) {
+            $this->loaded = true;
+            $routingFiles = $this->getRoutingFiles();
+        } else {
+            if (isset($this->loadedApps[$app])) {
+                return;
+            }
+            $file = \OC_App::getAppPath($app) . '/appinfo/routes.php';
+            if ($file !== false && file_exists($file)) {
+                $routingFiles = [$app => $file];
+            } else {
+                $routingFiles = [];
+            }
+        }
+        \OC::$server->getEventLogger()->start('loadroutes' . $requestedApp, 'Loading Routes');
+        foreach ($routingFiles as $app => $file) {
+            if (!isset($this->loadedApps[$app])) {
+                if (!\OC_App::isAppLoaded($app)) {
+                    // app MUST be loaded before app routes
+                    // try again next time loadRoutes() is called
+                    $this->loaded = false;
+                    continue;
+                }
+                $this->loadedApps[$app] = true;
+                $this->useCollection($app);
+                $this->requireRouteFile($file, $app);
+                $collection = $this->getCollection($app);
+                $collection->addPrefix('/apps/' . $app);
+                $this->root->addCollection($collection);
 
-				// Also add the OCS collection
-				$collection = $this->getCollection($app.'.ocs');
-				$collection->addPrefix('/ocsapp');
-				$this->root->addCollection($collection);
-			}
-		}
-		if (!isset($this->loadedApps['core'])) {
-			$this->loadedApps['core'] = true;
-			$this->useCollection('root');
-			require_once __DIR__ . '/../../../settings/routes.php';
-			require_once __DIR__ . '/../../../core/routes.php';
+                // Also add the OCS collection
+                $collection = $this->getCollection($app.'.ocs');
+                $collection->addPrefix('/ocsapp');
+                $this->root->addCollection($collection);
+            }
+        }
+        if (!isset($this->loadedApps['core'])) {
+            $this->loadedApps['core'] = true;
+            $this->useCollection('root');
+            require_once __DIR__ . '/../../../settings/routes.php';
+            require_once __DIR__ . '/../../../core/routes.php';
 
-			// Also add the OCS collection
-			$collection = $this->getCollection('root.ocs');
-			$collection->addPrefix('/ocsapp');
-			$this->root->addCollection($collection);
-		}
-		if ($this->loaded) {
-			// include ocs routes, must be loaded last for /ocs prefix
-			require_once __DIR__ . '/../../../ocs/routes.php';
-			$collection = $this->getCollection('ocs');
-			$collection->addPrefix('/ocs');
-			$this->root->addCollection($collection);
-		}
-		\OC::$server->getEventLogger()->end('loadroutes' . $requestedApp);
-	}
+            // Also add the OCS collection
+            $collection = $this->getCollection('root.ocs');
+            $collection->addPrefix('/ocsapp');
+            $this->root->addCollection($collection);
+        }
+        if ($this->loaded) {
+            // include ocs routes, must be loaded last for /ocs prefix
+            require_once __DIR__ . '/../../../ocs/routes.php';
+            $collection = $this->getCollection('ocs');
+            $collection->addPrefix('/ocs');
+            $this->root->addCollection($collection);
+        }
+        \OC::$server->getEventLogger()->end('loadroutes' . $requestedApp);
+    }
 
-	/**
-	 * @return string
-	 * @deprecated
-	 */
-	public function getCacheKey() {
-		return '';
-	}
+    /**
+     * @return string
+     * @deprecated
+     */
+    public function getCacheKey() {
+        return '';
+    }
 
-	/**
-	 * @param string $name
-	 * @return \Symfony\Component\Routing\RouteCollection
-	 */
-	protected function getCollection($name) {
-		if (!isset($this->collections[$name])) {
-			$this->collections[$name] = new RouteCollection();
-		}
-		return $this->collections[$name];
-	}
+    /**
+     * @param string $name
+     * @return \Symfony\Component\Routing\RouteCollection
+     */
+    protected function getCollection($name) {
+        if (!isset($this->collections[$name])) {
+            $this->collections[$name] = new RouteCollection();
+        }
+        return $this->collections[$name];
+    }
 
-	/**
-	 * Sets the collection to use for adding routes
-	 *
-	 * @param string $name Name of the collection to use.
-	 * @return void
-	 */
-	public function useCollection($name) {
-		$this->collection = $this->getCollection($name);
-		$this->collectionName = $name;
-	}
+    /**
+     * Sets the collection to use for adding routes
+     *
+     * @param string $name Name of the collection to use.
+     * @return void
+     */
+    public function useCollection($name) {
+        $this->collection = $this->getCollection($name);
+        $this->collectionName = $name;
+    }
 
-	/**
-	 * returns the current collection name in use for adding routes
-	 *
-	 * @return string the collection name
-	 */
-	public function getCurrentCollection() {
-		return $this->collectionName;
-	}
+    /**
+     * returns the current collection name in use for adding routes
+     *
+     * @return string the collection name
+     */
+    public function getCurrentCollection() {
+        return $this->collectionName;
+    }
 
 
-	/**
-	 * Create a \OC\Route\Route.
-	 *
-	 * @param string $name Name of the route to create.
-	 * @param string $pattern The pattern to match
-	 * @param array $defaults An array of default parameter values
-	 * @param array $requirements An array of requirements for parameters (regexes)
-	 * @return \OC\Route\Route
-	 */
-	public function create($name,
-						   $pattern,
-						   array $defaults = [],
-						   array $requirements = []) {
-		$route = new Route($pattern, $defaults, $requirements);
-		$this->collection->add($name, $route);
-		return $route;
-	}
+    /**
+     * Create a \OC\Route\Route.
+     *
+     * @param string $name Name of the route to create.
+     * @param string $pattern The pattern to match
+     * @param array $defaults An array of default parameter values
+     * @param array $requirements An array of requirements for parameters (regexes)
+     * @return \OC\Route\Route
+     */
+    public function create($name,
+                            $pattern,
+                            array $defaults = [],
+                            array $requirements = []) {
+        $route = new Route($pattern, $defaults, $requirements);
+        $this->collection->add($name, $route);
+        return $route;
+    }
 
-	/**
-	 * Find the route matching $url
-	 *
-	 * @param string $url The url to find
-	 * @throws \Exception
-	 * @return void
-	 */
-	public function match($url) {
-		if (substr($url, 0, 6) === '/apps/') {
-			// empty string / 'apps' / $app / rest of the route
-			list(, , $app,) = explode('/', $url, 4);
+    /**
+     * Find the route matching $url
+     *
+     * @param string $url The url to find
+     * @throws \Exception
+     * @return void
+     */
+    public function match($url) {
+        if (substr($url, 0, 6) === '/apps/') {
+            // empty string / 'apps' / $app / rest of the route
+            list(, , $app,) = explode('/', $url, 4);
 
-			$app = \OC_App::cleanAppId($app);
-			\OC::$REQUESTEDAPP = $app;
-			$this->loadRoutes($app);
-		} else if (substr($url, 0, 13) === '/ocsapp/apps/') {
-			// empty string / 'ocsapp' / 'apps' / $app / rest of the route
-			list(, , , $app,) = explode('/', $url, 5);
+            $app = \OC_App::cleanAppId($app);
+            \OC::$REQUESTEDAPP = $app;
+            $this->loadRoutes($app);
+        } else if (substr($url, 0, 13) === '/ocsapp/apps/') {
+            // empty string / 'ocsapp' / 'apps' / $app / rest of the route
+            list(, , , $app,) = explode('/', $url, 5);
 
-			$app = \OC_App::cleanAppId($app);
-			\OC::$REQUESTEDAPP = $app;
-			$this->loadRoutes($app);
-		} else if (substr($url, 0, 6) === '/core/' or substr($url, 0, 10) === '/settings/') {
-			\OC::$REQUESTEDAPP = $url;
-			if (!\OC::$server->getConfig()->getSystemValue('maintenance', false) && !Util::needUpgrade()) {
-				\OC_App::loadApps();
-			}
-			$this->loadRoutes('core');
-		} else {
-			$this->loadRoutes();
-		}
+            $app = \OC_App::cleanAppId($app);
+            \OC::$REQUESTEDAPP = $app;
+            $this->loadRoutes($app);
+        } else if (substr($url, 0, 6) === '/core/' or substr($url, 0, 10) === '/settings/') {
+            \OC::$REQUESTEDAPP = $url;
+            if (!\OC::$server->getConfig()->getSystemValue('maintenance', false) && !Util::needUpgrade()) {
+                \OC_App::loadApps();
+            }
+            $this->loadRoutes('core');
+        } else {
+            $this->loadRoutes();
+        }
 
-		$matcher = new UrlMatcher($this->root, $this->context);
-		try {
-			$parameters = $matcher->match($url);
-		} catch (ResourceNotFoundException $e) {
-			if (substr($url, -1) !== '/') {
-				// We allow links to apps/files? for backwards compatibility reasons
-				// However, since Symfony does not allow empty route names, the route
-				// we need to match is '/', so we need to append the '/' here.
-				try {
-					$parameters = $matcher->match($url . '/');
-				} catch (ResourceNotFoundException $newException) {
-					// If we still didn't match a route, we throw the original exception
-					throw $e;
-				}
-			} else {
-				throw $e;
-			}
-		}
+        $matcher = new UrlMatcher($this->root, $this->context);
+        try {
+            $parameters = $matcher->match($url);
+        } catch (ResourceNotFoundException $e) {
+            if (substr($url, -1) !== '/') {
+                // We allow links to apps/files? for backwards compatibility reasons
+                // However, since Symfony does not allow empty route names, the route
+                // we need to match is '/', so we need to append the '/' here.
+                try {
+                    $parameters = $matcher->match($url . '/');
+                } catch (ResourceNotFoundException $newException) {
+                    // If we still didn't match a route, we throw the original exception
+                    throw $e;
+                }
+            } else {
+                throw $e;
+            }
+        }
 
-		\OC::$server->getEventLogger()->start('run_route', 'Run route');
-		if (isset($parameters['action'])) {
-			$action = $parameters['action'];
-			if (!is_callable($action)) {
-				throw new \Exception('not a callable action');
-			}
-			unset($parameters['action']);
-			call_user_func($action, $parameters);
-		} elseif (isset($parameters['file'])) {
-			include $parameters['file'];
-		} else {
-			throw new \Exception('no action available');
-		}
-		\OC::$server->getEventLogger()->end('run_route');
-	}
+        \OC::$server->getEventLogger()->start('run_route', 'Run route');
+        if (isset($parameters['action'])) {
+            $action = $parameters['action'];
+            if (!is_callable($action)) {
+                throw new \Exception('not a callable action');
+            }
+            unset($parameters['action']);
+            call_user_func($action, $parameters);
+        } elseif (isset($parameters['file'])) {
+            include $parameters['file'];
+        } else {
+            throw new \Exception('no action available');
+        }
+        \OC::$server->getEventLogger()->end('run_route');
+    }
 
-	/**
-	 * Get the url generator
-	 *
-	 * @return \Symfony\Component\Routing\Generator\UrlGenerator
-	 *
-	 */
-	public function getGenerator() {
-		if (null !== $this->generator) {
-			return $this->generator;
-		}
+    /**
+     * Get the url generator
+     *
+     * @return \Symfony\Component\Routing\Generator\UrlGenerator
+     *
+     */
+    public function getGenerator() {
+        if (null !== $this->generator) {
+            return $this->generator;
+        }
 
-		return $this->generator = new UrlGenerator($this->root, $this->context);
-	}
+        return $this->generator = new UrlGenerator($this->root, $this->context);
+    }
 
-	/**
-	 * Generate url based on $name and $parameters
-	 *
-	 * @param string $name Name of the route to use.
-	 * @param array $parameters Parameters for the route
-	 * @param bool $absolute
-	 * @return string
-	 */
-	public function generate($name,
-							 $parameters = [],
-							 $absolute = false) {
-		$this->loadRoutes();
-		try {
-			$referenceType = UrlGenerator::ABSOLUTE_URL;
-			if ($absolute === false) {
-				$referenceType = UrlGenerator::ABSOLUTE_PATH;
-			}
-			return $this->getGenerator()->generate($name, $parameters, $referenceType);
-		} catch (RouteNotFoundException $e) {
-			$this->logger->logException($e);
-			return '';
-		}
-	}
+    /**
+     * Generate url based on $name and $parameters
+     *
+     * @param string $name Name of the route to use.
+     * @param array $parameters Parameters for the route
+     * @param bool $absolute
+     * @return string
+     */
+    public function generate($name,
+                                $parameters = [],
+                                $absolute = false) {
+        $this->loadRoutes();
+        try {
+            $referenceType = UrlGenerator::ABSOLUTE_URL;
+            if ($absolute === false) {
+                $referenceType = UrlGenerator::ABSOLUTE_PATH;
+            }
+            return $this->getGenerator()->generate($name, $parameters, $referenceType);
+        } catch (RouteNotFoundException $e) {
+            $this->logger->logException($e);
+            return '';
+        }
+    }
 
-	/**
-	 * To isolate the variable scope used inside the $file it is required in it's own method
-	 *
-	 * @param string $file the route file location to include
-	 * @param string $appName
-	 */
-	private function requireRouteFile($file, $appName) {
-		$this->setupRoutes(include_once $file, $appName);
-	}
+    /**
+     * To isolate the variable scope used inside the $file it is required in it's own method
+     *
+     * @param string $file the route file location to include
+     * @param string $appName
+     */
+    private function requireRouteFile($file, $appName) {
+        $this->setupRoutes(include_once $file, $appName);
+    }
 
 
-	/**
-	 * If a routes.php file returns an array, try to set up the application and
-	 * register the routes for the app. The application class will be chosen by
-	 * camelcasing the appname, e.g.: my_app will be turned into
-	 * \OCA\MyApp\AppInfo\Application. If that class does not exist, a default
-	 * App will be intialized. This makes it optional to ship an
-	 * appinfo/application.php by using the built in query resolver
-	 *
-	 * @param array $routes the application routes
-	 * @param string $appName the name of the app.
-	 */
-	private function setupRoutes($routes, $appName) {
-		if (is_array($routes)) {
-			$appNameSpace = App::buildAppNamespace($appName);
+    /**
+     * If a routes.php file returns an array, try to set up the application and
+     * register the routes for the app. The application class will be chosen by
+     * camelcasing the appname, e.g.: my_app will be turned into
+     * \OCA\MyApp\AppInfo\Application. If that class does not exist, a default
+     * App will be intialized. This makes it optional to ship an
+     * appinfo/application.php by using the built in query resolver
+     *
+     * @param array $routes the application routes
+     * @param string $appName the name of the app.
+     */
+    private function setupRoutes($routes, $appName) {
+        if (is_array($routes)) {
+            $appNameSpace = App::buildAppNamespace($appName);
 
-			$applicationClassName = $appNameSpace . '\\AppInfo\\Application';
+            $applicationClassName = $appNameSpace . '\\AppInfo\\Application';
 
-			if (class_exists($applicationClassName)) {
-				$application = new $applicationClassName();
-			} else {
-				$application = new App($appName);
-			}
+            if (class_exists($applicationClassName)) {
+                $application = new $applicationClassName();
+            } else {
+                $application = new App($appName);
+            }
 
-			$application->registerRoutes($this, $routes);
-		}
-	}
+            $application->registerRoutes($this, $routes);
+        }
+    }
 }

Spacing +15 added lines, -15 removed lines

@@ -72,7 +72,7 @@ 
 	public function __construct(ILogger $logger) {
 		$this->logger = $logger;
 		$baseUrl = \OC::$WEBROOT;
-		if(!(\OC::$server->getConfig()->getSystemValue('htaccess.IgnoreFrontController', false) === true || getenv('front_controller_active') === 'true')) {
+		if (!(\OC::$server->getConfig()->getSystemValue('htaccess.IgnoreFrontController', false) === true || getenv('front_controller_active') === 'true')) {
 			$baseUrl = \OC::$server->getURLGenerator()->linkTo('', 'index.php');
 		}
 		if (!\OC::$CLI && isset($_SERVER['REQUEST_METHOD'])) {
@@ -98,8 +98,8 @@ 
 			$this->routingFiles = [];
 			foreach (\OC_APP::getEnabledApps() as $app) {
 				$appPath = \OC_App::getAppPath($app);
-				if($appPath !== false) {
-					$file = $appPath . '/appinfo/routes.php';
+				if ($appPath !== false) {
+					$file = $appPath.'/appinfo/routes.php';
 					if (file_exists($file)) {
 						$this->routingFiles[$app] = $file;
 					}
@@ -115,7 +115,7 @@ 
 	 * @param null|string $app
 	 */
 	public function loadRoutes($app = null) {
-		if(is_string($app)) {
+		if (is_string($app)) {
 			$app = \OC_App::cleanAppId($app);
 		}
 
@@ -130,14 +130,14 @@ 
 			if (isset($this->loadedApps[$app])) {
 				return;
 			}
-			$file = \OC_App::getAppPath($app) . '/appinfo/routes.php';
+			$file = \OC_App::getAppPath($app).'/appinfo/routes.php';
 			if ($file !== false && file_exists($file)) {
 				$routingFiles = [$app => $file];
 			} else {
 				$routingFiles = [];
 			}
 		}
-		\OC::$server->getEventLogger()->start('loadroutes' . $requestedApp, 'Loading Routes');
+		\OC::$server->getEventLogger()->start('loadroutes'.$requestedApp, 'Loading Routes');
 		foreach ($routingFiles as $app => $file) {
 			if (!isset($this->loadedApps[$app])) {
 				if (!\OC_App::isAppLoaded($app)) {
@@ -150,7 +150,7 @@ 
 				$this->useCollection($app);
 				$this->requireRouteFile($file, $app);
 				$collection = $this->getCollection($app);
-				$collection->addPrefix('/apps/' . $app);
+				$collection->addPrefix('/apps/'.$app);
 				$this->root->addCollection($collection);
 
 				// Also add the OCS collection
@@ -162,8 +162,8 @@ 
 		if (!isset($this->loadedApps['core'])) {
 			$this->loadedApps['core'] = true;
 			$this->useCollection('root');
-			require_once __DIR__ . '/../../../settings/routes.php';
-			require_once __DIR__ . '/../../../core/routes.php';
+			require_once __DIR__.'/../../../settings/routes.php';
+			require_once __DIR__.'/../../../core/routes.php';
 
 			// Also add the OCS collection
 			$collection = $this->getCollection('root.ocs');
@@ -172,12 +172,12 @@ 
 		}
 		if ($this->loaded) {
 			// include ocs routes, must be loaded last for /ocs prefix
-			require_once __DIR__ . '/../../../ocs/routes.php';
+			require_once __DIR__.'/../../../ocs/routes.php';
 			$collection = $this->getCollection('ocs');
 			$collection->addPrefix('/ocs');
 			$this->root->addCollection($collection);
 		}
-		\OC::$server->getEventLogger()->end('loadroutes' . $requestedApp);
+		\OC::$server->getEventLogger()->end('loadroutes'.$requestedApp);
 	}
 
 	/**
@@ -248,14 +248,14 @@ 
 	public function match($url) {
 		if (substr($url, 0, 6) === '/apps/') {
 			// empty string / 'apps' / $app / rest of the route
-			list(, , $app,) = explode('/', $url, 4);
+			list(,, $app,) = explode('/', $url, 4);
 
 			$app = \OC_App::cleanAppId($app);
 			\OC::$REQUESTEDAPP = $app;
 			$this->loadRoutes($app);
 		} else if (substr($url, 0, 13) === '/ocsapp/apps/') {
 			// empty string / 'ocsapp' / 'apps' / $app / rest of the route
-			list(, , , $app,) = explode('/', $url, 5);
+			list(,,, $app,) = explode('/', $url, 5);
 
 			$app = \OC_App::cleanAppId($app);
 			\OC::$REQUESTEDAPP = $app;
@@ -279,7 +279,7 @@ 
 				// However, since Symfony does not allow empty route names, the route
 				// we need to match is '/', so we need to append the '/' here.
 				try {
-					$parameters = $matcher->match($url . '/');
+					$parameters = $matcher->match($url.'/');
 				} catch (ResourceNotFoundException $newException) {
 					// If we still didn't match a route, we throw the original exception
 					throw $e;
@@ -369,7 +369,7 @@ 
 		if (is_array($routes)) {
 			$appNameSpace = App::buildAppNamespace($appName);
 
-			$applicationClassName = $appNameSpace . '\\AppInfo\\Application';
+			$applicationClassName = $appNameSpace.'\\AppInfo\\Application';
 
 			if (class_exists($applicationClassName)) {
 				$application = new $applicationClassName();

lib/base.php

Indentation +1018 added lines, -1018 removed lines

@@ -59,1024 +59,1024 @@
  * OC_autoload!
  */
 class OC {
-	/**
-	 * Associative array for autoloading. classname => filename
-	 */
-	public static $CLASSPATH = array();
-	/**
-	 * The installation path for Nextcloud  on the server (e.g. /srv/http/nextcloud)
-	 */
-	public static $SERVERROOT = '';
-	/**
-	 * the current request path relative to the Nextcloud root (e.g. files/index.php)
-	 */
-	private static $SUBURI = '';
-	/**
-	 * the Nextcloud root path for http requests (e.g. nextcloud/)
-	 */
-	public static $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 $APPSROOTS = array();
-
-	/**
-	 * @var string
-	 */
-	public static $configDir;
-
-	/**
-	 * requested app
-	 */
-	public static $REQUESTEDAPP = '';
-
-	/**
-	 * check if Nextcloud runs in cli mode
-	 */
-	public static $CLI = false;
-
-	/**
-	 * @var \OC\Autoloader $loader
-	 */
-	public static $loader = null;
-
-	/** @var \Composer\Autoload\ClassLoader $composerAutoloader */
-	public static $composerAutoloader = null;
-
-	/**
-	 * @var \OC\Server
-	 */
-	public static $server = null;
-
-	/**
-	 * @var \OC\Config
-	 */
-	private static $config = null;
-
-	/**
-	 * @throws \RuntimeException when the 3rdparty directory is missing or
-	 * the app path list is empty or contains an invalid path
-	 */
-	public static function initPaths() {
-		if(defined('PHPUNIT_CONFIG_DIR')) {
-			self::$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
-		 *        \OC::$server->getRequest() since \OC::$server does not yet exist.
-		 */
-		$params = [
-			'server' => [
-				'SCRIPT_NAME' => $_SERVER['SCRIPT_NAME'],
-				'SCRIPT_FILENAME' => $_SERVER['SCRIPT_FILENAME'],
-			],
-		];
-		$fakeRequest = new \OC\AppFramework\Http\Request($params, null, 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', array());
-		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::$APPSROOTS[] = array('path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true);
-		} elseif (file_exists(OC::$SERVERROOT . '/../apps')) {
-			OC::$APPSROOTS[] = array(
-				'path' => rtrim(dirname(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'
-				. ' or the folder above. You can also configure the location in the config.php file.');
-		}
-		$paths = array();
-		foreach (OC::$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 or the folder above. 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() {
-		$l = \OC::$server->getL10N('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 && self::checkUpgrade(false)) {
-
-			$urlGenerator = \OC::$server->getURLGenerator();
-
-			if (self::$CLI) {
-				echo $l->t('Cannot write into "config" directory!')."\n";
-				echo $l->t('This can usually be fixed by giving the webserver write access to the config directory')."\n";
-				echo "\n";
-				echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-dir_permissions') ])."\n";
-				exit;
-			} else {
-				OC_Template::printErrorPage(
-					$l->t('Cannot write into "config" directory!'),
-					$l->t('This can usually be fixed by giving the webserver write access to the config directory. See %s',
-					 [ $urlGenerator->linkToDocs('admin-dir_permissions') ])
-				);
-			}
-		}
-	}
-
-	public static function checkInstalled() {
-		if (defined('OC_CONSOLE')) {
-			return;
-		}
-		// Redirect to installer if not installed
-		if (!\OC::$server->getSystemConfig()->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: ' . $url);
-			}
-			exit();
-		}
-	}
-
-	public static function checkMaintenanceMode() {
-		// Allow ajax update script to execute without being stopped
-		if (\OC::$server->getSystemConfig()->getValue('maintenance', false) && OC::$SUBURI != '/core/ajax/update.php') {
-			// send http status 503
-			header('HTTP/1.1 503 Service Temporarily Unavailable');
-			header('Status: 503 Service Temporarily Unavailable');
-			header('Retry-After: 120');
-
-			// render error page
-			$template = new OC_Template('', 'update.user', 'guest');
-			OC_Util::addScript('maintenance-check');
-			$template->printPage();
-			die();
-		}
-	}
-
-	/**
-	 * Checks if the version requires an update and shows
-	 * @param bool $showTemplate Whether an update screen should get shown
-	 * @return bool|void
-	 */
-	public static function checkUpgrade($showTemplate = true) {
-		if (\OCP\Util::needUpgrade()) {
-			$systemConfig = \OC::$server->getSystemConfig();
-			if ($showTemplate && !$systemConfig->getValue('maintenance', false)) {
-				self::printUpgradePage();
-				exit();
-			} else {
-				return true;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * Prints the upgrade page
-	 */
-	private static function printUpgradePage() {
-		$systemConfig = \OC::$server->getSystemConfig();
-
-		$disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false);
-		$tooBig = false;
-		if (!$disableWebUpdater) {
-			$apps = \OC::$server->getAppManager();
-			$tooBig = false;
-			if ($apps->isInstalled('user_ldap')) {
-				$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
-
-				$result = $qb->selectAlias($qb->createFunction('COUNT(*)'), 'user_count')
-					->from('ldap_user_mapping')
-					->execute();
-				$row = $result->fetch();
-				$result->closeCursor();
-
-				$tooBig = ($row['user_count'] > 50);
-			}
-			if (!$tooBig && $apps->isInstalled('user_saml')) {
-				$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
-
-				$result = $qb->selectAlias($qb->createFunction('COUNT(*)'), 'user_count')
-					->from('user_saml_users')
-					->execute();
-				$row = $result->fetch();
-				$result->closeCursor();
-
-				$tooBig = ($row['user_count'] > 50);
-			}
-			if (!$tooBig) {
-				// count users
-				$stats = \OC::$server->getUserManager()->countUsers();
-				$totalUsers = array_sum($stats);
-				$tooBig = ($totalUsers > 50);
-			}
-		}
-		$ignoreTooBigWarning = isset($_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup']) &&
-			$_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup'] === 'IAmSuperSureToDoThis';
-
-		if ($disableWebUpdater || ($tooBig && !$ignoreTooBigWarning)) {
-			// send http status 503
-			header('HTTP/1.1 503 Service Temporarily Unavailable');
-			header('Status: 503 Service Temporarily Unavailable');
-			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', '');
-		OC_Util::addScript('config'); // needed for web root
-		OC_Util::addScript('update');
-
-		/** @var \OC\App\AppManager $appManager */
-		$appManager = \OC::$server->getAppManager();
-
-		$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();
-		$incompatibleApps = $appManager->getIncompatibleApps($ocVersion);
-		$incompatibleShippedApps = [];
-		foreach ($incompatibleApps as $appInfo) {
-			if ($appManager->isShipped($appInfo['id'])) {
-				$incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')';
-			}
-		}
-
-		if (!empty($incompatibleShippedApps)) {
-			$l = \OC::$server->getL10N('core');
-			$hint = $l->t('The files of the app %$1s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]);
-			throw new \OC\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);
-		$tmpl->assign('productName', 'Nextcloud'); // for now
-		$tmpl->assign('oldTheme', $oldTheme);
-		$tmpl->printPage();
-	}
-
-	public static function initSession() {
-		// 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 {
-			// Allow session apps to create a custom session object
-			$useCustomSession = false;
-			$session = self::$server->getSession();
-			OC_Hook::emit('OC', 'initSession', array('session' => &$session, 'sessionName' => &$sessionName, 'useCustomSession' => &$useCustomSession));
-			if (!$useCustomSession) {
-				// set the session name to the instance id - which is unique
-				$session = new \OC\Session\Internal($sessionName);
-			}
-
-			$cryptoWrapper = \OC::$server->getSessionCryptoWrapper();
-			$session = $cryptoWrapper->wrapSession($session);
-			self::$server->setSession($session);
-
-			// if session can't be started break with http 500 error
-		} catch (Exception $e) {
-			\OCP\Util::logException('base', $e);
-			//show the user a detailed error page
-			OC_Response::setStatus(OC_Response::STATUS_INTERNAL_SERVER_ERROR);
-			OC_Template::printExceptionErrorPage($e);
-			die();
-		}
-
-		$sessionLifeTime = self::getSessionLifeTime();
-
-		// session timeout
-		if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
-			if (isset($_COOKIE[session_name()])) {
-				setcookie(session_name(), null, -1, self::$WEBROOT ? : '/');
-			}
-			\OC::$server->getUserSession()->logout();
-		}
-
-		$session->set('LAST_ACTIVITY', time());
-	}
-
-	/**
-	 * @return string
-	 */
-	private static function getSessionLifeTime() {
-		return \OC::$server->getConfig()->getSystemValue('session_lifetime', 60 * 60 * 24);
-	}
-
-	public static function loadAppClassPaths() {
-		foreach (OC_App::getEnabledApps() as $app) {
-			$appPath = OC_App::getAppPath($app);
-			if ($appPath === false) {
-				continue;
-			}
-
-			$file = $appPath . '/appinfo/classpath.php';
-			if (file_exists($file)) {
-				require_once $file;
-			}
-		}
-	}
-
-	/**
-	 * Try to set some values to the required Nextcloud default
-	 */
-	public static function setRequiredIniValues() {
-		@ini_set('default_charset', 'UTF-8');
-		@ini_set('gd.jpeg_ignore_warning', 1);
-	}
-
-	/**
-	 * Send the same site cookies
-	 */
-	private static function sendSameSiteCookies() {
-		$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() {
-		$request = \OC::$server->getRequest();
-
-		// 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.
-		$incompatibleUserAgents = [
-			// OS X Finder
-			'/^WebDAVFS/',
-		];
-		if($request->isUserAgent($incompatibleUserAgents)) {
-			return;
-		}
-
-		if(count($_COOKIE) > 0) {
-			$requestUri = $request->getScriptName();
-			$processingScript = explode('/', $requestUri);
-			$processingScript = $processingScript[count($processingScript)-1];
-			// FIXME: In a SAML scenario we don't get any strict or lax cookie
-			// send for the ACS endpoint. Since we have some legacy code in Nextcloud
-			// (direct PHP files) the enforcement of lax cookies is performed here
-			// instead of the middleware.
-			//
-			// This means we cannot exclude some routes from the cookie validation,
-			// which normally is not a problem but is a little bit cumbersome for
-			// this use-case.
-			// Once the old legacy PHP endpoints have been removed we can move
-			// the verification into a middleware and also adds some exemptions.
-			//
-			// Questions about this code? Ask Lukas ;-)
-			$currentUrl = substr(explode('?',$request->getRequestUri(), 2)[0], strlen(\OC::$WEBROOT));
-			if($currentUrl === '/index.php/apps/user_saml/saml/acs' || $currentUrl === '/apps/user_saml/saml/acs') {
-				return;
-			}
-			// For the "index.php" endpoint only a lax cookie is required.
-			if($processingScript === 'index.php') {
-				if(!$request->passesLaxCookieCheck()) {
-					self::sendSameSiteCookies();
-					header('Location: '.$_SERVER['REQUEST_URI']);
-					exit();
-				}
-			} else {
-				// All other endpoints require the lax and the strict cookie
-				if(!$request->passesStrictCookieCheck()) {
-					self::sendSameSiteCookies();
-					// Debug mode gets access to the resources without strict cookie
-					// due to the fact that the SabreDAV browser also lives there.
-					if(!\OC::$server->getConfig()->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() {
-		// 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::$SERVERROOT . '/tests');
-		}
-		spl_autoload_register(array(self::$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';
-
-		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) {
-				$claimedProtocol = strtoupper($_SERVER['SERVER_PROTOCOL']);
-				$protocol = in_array($claimedProtocol, ['HTTP/1.0', 'HTTP/1.1', 'HTTP/2']) ? $claimedProtocol : 'HTTP/1.1';
-				header($protocol . ' ' . OC_Response::STATUS_SERVICE_UNAVAILABLE);
-			}
-			// 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);
-		\OC::$server->getEventLogger()->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd);
-		\OC::$server->getEventLogger()->start('boot', 'Initialize');
-
-		// Don't display errors and log them
-		error_reporting(E_ALL | E_STRICT);
-		@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 anyway
-
-		//try to set the maximum execution time to 60min
-		if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
-			@set_time_limit(3600);
-		}
-		@ini_set('max_execution_time', 3600);
-		@ini_set('max_input_time', 3600);
-
-		//try to set the maximum filesize to 10G
-		@ini_set('upload_max_filesize', '10G');
-		@ini_set('post_max_size', '10G');
-		@ini_set('file_uploads', '50');
-
-		self::setRequiredIniValues();
-		self::handleAuthHeaders();
-		self::registerAutoloaderCache();
-
-		// initialize intl fallback is necessary
-		\Patchwork\Utf8\Bootup::initIntl();
-		OC_Util::isSetLocaleWorking();
-
-		if (!defined('PHPUNIT_RUN')) {
-			OC\Log\ErrorHandler::setLogger(\OC::$server->getLogger());
-			$debug = \OC::$server->getConfig()->getSystemValue('debug', false);
-			OC\Log\ErrorHandler::register($debug);
-		}
-
-		\OC::$server->getEventLogger()->start('init_session', 'Initialize session');
-		OC_App::loadApps(array('session'));
-		if (!self::$CLI) {
-			self::initSession();
-		}
-		\OC::$server->getEventLogger()->end('init_session');
-		self::checkConfig();
-		self::checkInstalled();
-
-		OC_Response::addSecurityHeaders();
-		if(self::$server->getRequest()->getServerProtocol() === 'https') {
-			ini_set('session.cookie_secure', true);
-		}
-
-		self::performSameSiteCookieProtection();
-
-		if (!defined('OC_CONSOLE')) {
-			$errors = OC_Util::checkServer(\OC::$server->getSystemConfig());
-			if (count($errors) > 0) {
-				if (self::$CLI) {
-					// 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)$error['hint'],
-						];
-					}
-
-					try {
-						\OC::$server->getConfig()->setAppValue('core', 'cronErrors', json_encode($staticErrors));
-					} catch (\Exception $e) {
-						echo('Writing to database failed');
-					}
-					exit(1);
-				} else {
-					OC_Response::setStatus(OC_Response::STATUS_SERVICE_UNAVAILABLE);
-					OC_Util::addStyle('guest');
-					OC_Template::printGuestPage('', 'error', array('errors' => $errors));
-					exit;
-				}
-			} elseif (self::$CLI && \OC::$server->getConfig()->getSystemValue('installed', false)) {
-				\OC::$server->getConfig()->deleteAppValue('core', 'cronErrors');
-			}
-		}
-		//try to set the session lifetime
-		$sessionLifeTime = self::getSessionLifeTime();
-		@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
-
-		$systemConfig = \OC::$server->getSystemConfig();
-
-		// User and Groups
-		if (!$systemConfig->getValue("installed", false)) {
-			self::$server->getSession()->set('user_id', '');
-		}
-
-		OC_User::useBackend(new \OC\User\Database());
-		\OC::$server->getGroupManager()->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 (!self::checkUpgrade(false)) {
-			OC_User::setupBackends();
-		} else {
-			// Run upgrades in incognito mode
-			OC_User::setIncognitoMode(true);
-		}
-
-		self::registerCacheHooks();
-		self::registerFilesystemHooks();
-		self::registerShareHooks();
-		self::registerLogRotate();
-		self::registerEncryptionWrapper();
-		self::registerEncryptionHooks();
-		self::registerAccountHooks();
-		self::registerSettingsHooks();
-
-		$settings = new \OC\Settings\Application();
-		$settings->register();
-
-		//make sure temporary files are cleaned up
-		$tmpManager = \OC::$server->getTempManager();
-		register_shutdown_function(array($tmpManager, 'clean'));
-		$lockProvider = \OC::$server->getLockingProvider();
-		register_shutdown_function(array($lockProvider, 'releaseAll'));
-
-		// Check whether the sample configuration has been copied
-		if($systemConfig->getValue('copied_sample_config', false)) {
-			$l = \OC::$server->getL10N('lib');
-			header('HTTP/1.1 503 Service Temporarily Unavailable');
-			header('Status: 503 Service Temporarily Unavailable');
-			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')
-			);
-			return;
-		}
-
-		$request = \OC::$server->getRequest();
-		$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
-			// overwritehost is always trusted, workaround to not have to make
-			// \OC\AppFramework\Http\Request::getOverwriteHost public
-			&& self::$server->getConfig()->getSystemValue('overwritehost') === ''
-			&& !\OC::$server->getTrustedDomainHelper()->isTrustedDomain($host)
-			&& self::$server->getConfig()->getSystemValue('installed', false)
-		) {
-			// Allow access to CSS resources
-			$isScssRequest = false;
-			if(strpos($request->getPathInfo(), '/css/') === 0) {
-				$isScssRequest = true;
-			}
-
-			if (!$isScssRequest) {
-				header('HTTP/1.1 400 Bad Request');
-				header('Status: 400 Bad Request');
-
-				\OC::$server->getLogger()->warning(
-					'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('domain', $host);
-				$tmpl->printPage();
-
-				exit();
-			}
-		}
-		\OC::$server->getEventLogger()->end('boot');
-	}
-
-	/**
-	 * register hooks for the cache
-	 */
-	public static function registerCacheHooks() {
-		//don't try to do this before we are properly setup
-		if (\OC::$server->getSystemConfig()->getValue('installed', false) && !self::checkUpgrade(false)) {
-
-			// NOTE: This will be replaced to use OCP
-			$userSession = self::$server->getUserSession();
-			$userSession->listen('\OC\User', 'postLogin', function () {
-				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 $e) {
-					// a GC exception should not prevent users from using OC,
-					// so log the exception
-					\OC::$server->getLogger()->warning('Exception when running cache gc: ' . $e->getMessage(), array('app' => 'core'));
-				}
-			});
-		}
-	}
-
-	public static function registerSettingsHooks() {
-		$dispatcher = \OC::$server->getEventDispatcher();
-		$dispatcher->addListener(OCP\App\ManagerEvent::EVENT_APP_DISABLE, function($event) {
-			/** @var \OCP\App\ManagerEvent $event */
-			\OC::$server->getSettingsManager()->onAppDisabled($event->getAppID());
-		});
-		$dispatcher->addListener(OCP\App\ManagerEvent::EVENT_APP_UPDATE, function($event) {
-			/** @var \OCP\App\ManagerEvent $event */
-			$jobList = \OC::$server->getJobList();
-			$job = 'OC\\Settings\\RemoveOrphaned';
-			if(!($jobList->has($job, null))) {
-				$jobList->add($job);
-			}
-		});
-	}
-
-	private static function registerEncryptionWrapper() {
-		$manager = self::$server->getEncryptionManager();
-		\OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage');
-	}
-
-	private static function registerEncryptionHooks() {
-		$enabled = self::$server->getEncryptionManager()->isEnabled();
-		if ($enabled) {
-			\OCP\Util::connectHook('OCP\Share', 'post_shared', 'OC\Encryption\HookManager', 'postShared');
-			\OCP\Util::connectHook('OCP\Share', 'post_unshare', 'OC\Encryption\HookManager', 'postUnshared');
-			\OCP\Util::connectHook('OC_Filesystem', 'post_rename', 'OC\Encryption\HookManager', 'postRename');
-			\OCP\Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', 'OC\Encryption\HookManager', 'postRestore');
-		}
-	}
-
-	private static function registerAccountHooks() {
-		$hookHandler = new \OC\Accounts\Hooks(\OC::$server->getLogger());
-		\OCP\Util::connectHook('OC_User', 'changeUser', $hookHandler, 'changeUserHook');
-	}
-
-	/**
-	 * register hooks for the cache
-	 */
-	public static function registerLogRotate() {
-		$systemConfig = \OC::$server->getSystemConfig();
-		if ($systemConfig->getValue('installed', false) && $systemConfig->getValue('log_rotate_size', false) && !self::checkUpgrade(false)) {
-			//don't try to do this before we are properly setup
-			//use custom logfile path if defined, otherwise use default of nextcloud.log in data directory
-			\OC::$server->getJobList()->add('OC\Log\Rotate');
-		}
-	}
-
-	/**
-	 * register hooks for the filesystem
-	 */
-	public static function registerFilesystemHooks() {
-		// Check for blacklisted files
-		OC_Hook::connect('OC_Filesystem', 'write', 'OC\Files\Filesystem', 'isBlacklisted');
-		OC_Hook::connect('OC_Filesystem', 'rename', 'OC\Files\Filesystem', 'isBlacklisted');
-	}
-
-	/**
-	 * register hooks for sharing
-	 */
-	public static function registerShareHooks() {
-		if (\OC::$server->getSystemConfig()->getValue('installed')) {
-			OC_Hook::connect('OC_User', 'post_deleteUser', 'OC\Share20\Hooks', 'post_deleteUser');
-			OC_Hook::connect('OC_User', 'post_removeFromGroup', 'OC\Share20\Hooks', 'post_removeFromGroup');
-			OC_Hook::connect('OC_User', 'post_deleteGroup', 'OC\Share20\Hooks', 'post_deleteGroup');
-		}
-	}
-
-	protected static function registerAutoloaderCache() {
-		// 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.
-		$instanceId = \OC::$server->getSystemConfig()->getValue('instanceid', null);
-		if ($instanceId) {
-			try {
-				$memcacheFactory = \OC::$server->getMemCacheFactory();
-				self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
-			} catch (\Exception $ex) {
-			}
-		}
-	}
-
-	/**
-	 * Handle the request
-	 */
-	public static function handleRequest() {
-
-		\OC::$server->getEventLogger()->start('handle_request', 'Handle request');
-		$systemConfig = \OC::$server->getSystemConfig();
-		// load all the classpaths from the enabled apps so they are available
-		// in the routing files of each app
-		OC::loadAppClassPaths();
-
-		// Check if Nextcloud is installed or in maintenance (update) mode
-		if (!$systemConfig->getValue('installed', false)) {
-			\OC::$server->getSession()->clear();
-			$setupHelper = new OC\Setup(\OC::$server->getSystemConfig(), \OC::$server->getIniWrapper(),
-				\OC::$server->getL10N('lib'), \OC::$server->query(\OCP\Defaults::class), \OC::$server->getLogger(),
-				\OC::$server->getSecureRandom());
-			$controller = new OC\Core\Controller\SetupController($setupHelper);
-			$controller->run($_POST);
-			exit();
-		}
-
-		$request = \OC::$server->getRequest();
-		$requestPath = $request->getRawPathInfo();
-		if ($requestPath === '/heartbeat') {
-			return;
-		}
-		if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade
-			self::checkMaintenanceMode();
-			self::checkUpgrade();
-		}
-
-		// emergency app disabling
-		if ($requestPath === '/disableapp'
-			&& $request->getMethod() === 'POST'
-			&& ((array)$request->getParam('appid')) !== ''
-		) {
-			\OCP\JSON::callCheck();
-			\OCP\JSON::checkAdminUser();
-			$appIds = (array)$request->getParam('appid');
-			foreach($appIds as $appId) {
-				$appId = \OC_App::cleanAppId($appId);
-				\OC_App::disable($appId);
-			}
-			\OC_JSON::success();
-			exit();
-		}
-
-		// Always load authentication apps
-		OC_App::loadApps(['authentication']);
-
-		// Load minimum set of apps
-		if (!self::checkUpgrade(false)
-			&& !$systemConfig->getValue('maintenance', false)) {
-			// For logged-in users: Load everything
-			if(\OC::$server->getUserSession()->isLoggedIn()) {
-				OC_App::loadApps();
-			} else {
-				// For guests: Load only filesystem and logging
-				OC_App::loadApps(array('filesystem', 'logging'));
-				self::handleLogin($request);
-			}
-		}
-
-		if (!self::$CLI) {
-			try {
-				if (!$systemConfig->getValue('maintenance', false) && !self::checkUpgrade(false)) {
-					OC_App::loadApps(array('filesystem', 'logging'));
-					OC_App::loadApps();
-				}
-				OC_Util::setupFS();
-				OC::$server->getRouter()->match(\OC::$server->getRequest()->getRawPathInfo());
-				return;
-			} catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
-				//header('HTTP/1.0 404 Not Found');
-			} catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
-				OC_Response::setStatus(405);
-				return;
-			}
-		}
-
-		// Handle WebDAV
-		if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') {
-			// not allowed any more to prevent people
-			// mounting this root directly.
-			// Users need to mount remote.php/webdav instead.
-			header('HTTP/1.1 405 Method Not Allowed');
-			header('Status: 405 Method Not Allowed');
-			return;
-		}
-
-		// Someone is logged in
-		if (\OC::$server->getUserSession()->isLoggedIn()) {
-			OC_App::loadApps();
-			OC_User::setupBackends();
-			OC_Util::setupFS();
-			// FIXME
-			// Redirect to default application
-			OC_Util::redirectToDefaultPage();
-		} else {
-			// Not handled and not logged in
-			header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute('core.login.showLoginForm'));
-		}
-	}
-
-	/**
-	 * Check login: apache auth, auth token, basic auth
-	 *
-	 * @param OCP\IRequest $request
-	 * @return boolean
-	 */
-	static function handleLogin(OCP\IRequest $request) {
-		$userSession = self::$server->getUserSession();
-		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($request, \OC::$server->getBruteForceThrottler())) {
-			return true;
-		}
-		return false;
-	}
-
-	protected static function handleAuthHeaders() {
-		//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.
-		$vars = array(
-			'HTTP_AUTHORIZATION', // apache+php-cgi work around
-			'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative
-		);
-		foreach ($vars as $var) {
-			if (isset($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) {
-				list($name, $password) = explode(':', base64_decode($matches[1]), 2);
-				$_SERVER['PHP_AUTH_USER'] = $name;
-				$_SERVER['PHP_AUTH_PW'] = $password;
-				break;
-			}
-		}
-	}
+    /**
+     * Associative array for autoloading. classname => filename
+     */
+    public static $CLASSPATH = array();
+    /**
+     * The installation path for Nextcloud  on the server (e.g. /srv/http/nextcloud)
+     */
+    public static $SERVERROOT = '';
+    /**
+     * the current request path relative to the Nextcloud root (e.g. files/index.php)
+     */
+    private static $SUBURI = '';
+    /**
+     * the Nextcloud root path for http requests (e.g. nextcloud/)
+     */
+    public static $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 $APPSROOTS = array();
+
+    /**
+     * @var string
+     */
+    public static $configDir;
+
+    /**
+     * requested app
+     */
+    public static $REQUESTEDAPP = '';
+
+    /**
+     * check if Nextcloud runs in cli mode
+     */
+    public static $CLI = false;
+
+    /**
+     * @var \OC\Autoloader $loader
+     */
+    public static $loader = null;
+
+    /** @var \Composer\Autoload\ClassLoader $composerAutoloader */
+    public static $composerAutoloader = null;
+
+    /**
+     * @var \OC\Server
+     */
+    public static $server = null;
+
+    /**
+     * @var \OC\Config
+     */
+    private static $config = null;
+
+    /**
+     * @throws \RuntimeException when the 3rdparty directory is missing or
+     * the app path list is empty or contains an invalid path
+     */
+    public static function initPaths() {
+        if(defined('PHPUNIT_CONFIG_DIR')) {
+            self::$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
+         *        \OC::$server->getRequest() since \OC::$server does not yet exist.
+         */
+        $params = [
+            'server' => [
+                'SCRIPT_NAME' => $_SERVER['SCRIPT_NAME'],
+                'SCRIPT_FILENAME' => $_SERVER['SCRIPT_FILENAME'],
+            ],
+        ];
+        $fakeRequest = new \OC\AppFramework\Http\Request($params, null, 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', array());
+        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::$APPSROOTS[] = array('path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true);
+        } elseif (file_exists(OC::$SERVERROOT . '/../apps')) {
+            OC::$APPSROOTS[] = array(
+                'path' => rtrim(dirname(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'
+                . ' or the folder above. You can also configure the location in the config.php file.');
+        }
+        $paths = array();
+        foreach (OC::$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 or the folder above. 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() {
+        $l = \OC::$server->getL10N('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 && self::checkUpgrade(false)) {
+
+            $urlGenerator = \OC::$server->getURLGenerator();
+
+            if (self::$CLI) {
+                echo $l->t('Cannot write into "config" directory!')."\n";
+                echo $l->t('This can usually be fixed by giving the webserver write access to the config directory')."\n";
+                echo "\n";
+                echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-dir_permissions') ])."\n";
+                exit;
+            } else {
+                OC_Template::printErrorPage(
+                    $l->t('Cannot write into "config" directory!'),
+                    $l->t('This can usually be fixed by giving the webserver write access to the config directory. See %s',
+                        [ $urlGenerator->linkToDocs('admin-dir_permissions') ])
+                );
+            }
+        }
+    }
+
+    public static function checkInstalled() {
+        if (defined('OC_CONSOLE')) {
+            return;
+        }
+        // Redirect to installer if not installed
+        if (!\OC::$server->getSystemConfig()->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: ' . $url);
+            }
+            exit();
+        }
+    }
+
+    public static function checkMaintenanceMode() {
+        // Allow ajax update script to execute without being stopped
+        if (\OC::$server->getSystemConfig()->getValue('maintenance', false) && OC::$SUBURI != '/core/ajax/update.php') {
+            // send http status 503
+            header('HTTP/1.1 503 Service Temporarily Unavailable');
+            header('Status: 503 Service Temporarily Unavailable');
+            header('Retry-After: 120');
+
+            // render error page
+            $template = new OC_Template('', 'update.user', 'guest');
+            OC_Util::addScript('maintenance-check');
+            $template->printPage();
+            die();
+        }
+    }
+
+    /**
+     * Checks if the version requires an update and shows
+     * @param bool $showTemplate Whether an update screen should get shown
+     * @return bool|void
+     */
+    public static function checkUpgrade($showTemplate = true) {
+        if (\OCP\Util::needUpgrade()) {
+            $systemConfig = \OC::$server->getSystemConfig();
+            if ($showTemplate && !$systemConfig->getValue('maintenance', false)) {
+                self::printUpgradePage();
+                exit();
+            } else {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Prints the upgrade page
+     */
+    private static function printUpgradePage() {
+        $systemConfig = \OC::$server->getSystemConfig();
+
+        $disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false);
+        $tooBig = false;
+        if (!$disableWebUpdater) {
+            $apps = \OC::$server->getAppManager();
+            $tooBig = false;
+            if ($apps->isInstalled('user_ldap')) {
+                $qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+
+                $result = $qb->selectAlias($qb->createFunction('COUNT(*)'), 'user_count')
+                    ->from('ldap_user_mapping')
+                    ->execute();
+                $row = $result->fetch();
+                $result->closeCursor();
+
+                $tooBig = ($row['user_count'] > 50);
+            }
+            if (!$tooBig && $apps->isInstalled('user_saml')) {
+                $qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+
+                $result = $qb->selectAlias($qb->createFunction('COUNT(*)'), 'user_count')
+                    ->from('user_saml_users')
+                    ->execute();
+                $row = $result->fetch();
+                $result->closeCursor();
+
+                $tooBig = ($row['user_count'] > 50);
+            }
+            if (!$tooBig) {
+                // count users
+                $stats = \OC::$server->getUserManager()->countUsers();
+                $totalUsers = array_sum($stats);
+                $tooBig = ($totalUsers > 50);
+            }
+        }
+        $ignoreTooBigWarning = isset($_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup']) &&
+            $_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup'] === 'IAmSuperSureToDoThis';
+
+        if ($disableWebUpdater || ($tooBig && !$ignoreTooBigWarning)) {
+            // send http status 503
+            header('HTTP/1.1 503 Service Temporarily Unavailable');
+            header('Status: 503 Service Temporarily Unavailable');
+            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', '');
+        OC_Util::addScript('config'); // needed for web root
+        OC_Util::addScript('update');
+
+        /** @var \OC\App\AppManager $appManager */
+        $appManager = \OC::$server->getAppManager();
+
+        $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();
+        $incompatibleApps = $appManager->getIncompatibleApps($ocVersion);
+        $incompatibleShippedApps = [];
+        foreach ($incompatibleApps as $appInfo) {
+            if ($appManager->isShipped($appInfo['id'])) {
+                $incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')';
+            }
+        }
+
+        if (!empty($incompatibleShippedApps)) {
+            $l = \OC::$server->getL10N('core');
+            $hint = $l->t('The files of the app %$1s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]);
+            throw new \OC\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);
+        $tmpl->assign('productName', 'Nextcloud'); // for now
+        $tmpl->assign('oldTheme', $oldTheme);
+        $tmpl->printPage();
+    }
+
+    public static function initSession() {
+        // 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 {
+            // Allow session apps to create a custom session object
+            $useCustomSession = false;
+            $session = self::$server->getSession();
+            OC_Hook::emit('OC', 'initSession', array('session' => &$session, 'sessionName' => &$sessionName, 'useCustomSession' => &$useCustomSession));
+            if (!$useCustomSession) {
+                // set the session name to the instance id - which is unique
+                $session = new \OC\Session\Internal($sessionName);
+            }
+
+            $cryptoWrapper = \OC::$server->getSessionCryptoWrapper();
+            $session = $cryptoWrapper->wrapSession($session);
+            self::$server->setSession($session);
+
+            // if session can't be started break with http 500 error
+        } catch (Exception $e) {
+            \OCP\Util::logException('base', $e);
+            //show the user a detailed error page
+            OC_Response::setStatus(OC_Response::STATUS_INTERNAL_SERVER_ERROR);
+            OC_Template::printExceptionErrorPage($e);
+            die();
+        }
+
+        $sessionLifeTime = self::getSessionLifeTime();
+
+        // session timeout
+        if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
+            if (isset($_COOKIE[session_name()])) {
+                setcookie(session_name(), null, -1, self::$WEBROOT ? : '/');
+            }
+            \OC::$server->getUserSession()->logout();
+        }
+
+        $session->set('LAST_ACTIVITY', time());
+    }
+
+    /**
+     * @return string
+     */
+    private static function getSessionLifeTime() {
+        return \OC::$server->getConfig()->getSystemValue('session_lifetime', 60 * 60 * 24);
+    }
+
+    public static function loadAppClassPaths() {
+        foreach (OC_App::getEnabledApps() as $app) {
+            $appPath = OC_App::getAppPath($app);
+            if ($appPath === false) {
+                continue;
+            }
+
+            $file = $appPath . '/appinfo/classpath.php';
+            if (file_exists($file)) {
+                require_once $file;
+            }
+        }
+    }
+
+    /**
+     * Try to set some values to the required Nextcloud default
+     */
+    public static function setRequiredIniValues() {
+        @ini_set('default_charset', 'UTF-8');
+        @ini_set('gd.jpeg_ignore_warning', 1);
+    }
+
+    /**
+     * Send the same site cookies
+     */
+    private static function sendSameSiteCookies() {
+        $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() {
+        $request = \OC::$server->getRequest();
+
+        // 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.
+        $incompatibleUserAgents = [
+            // OS X Finder
+            '/^WebDAVFS/',
+        ];
+        if($request->isUserAgent($incompatibleUserAgents)) {
+            return;
+        }
+
+        if(count($_COOKIE) > 0) {
+            $requestUri = $request->getScriptName();
+            $processingScript = explode('/', $requestUri);
+            $processingScript = $processingScript[count($processingScript)-1];
+            // FIXME: In a SAML scenario we don't get any strict or lax cookie
+            // send for the ACS endpoint. Since we have some legacy code in Nextcloud
+            // (direct PHP files) the enforcement of lax cookies is performed here
+            // instead of the middleware.
+            //
+            // This means we cannot exclude some routes from the cookie validation,
+            // which normally is not a problem but is a little bit cumbersome for
+            // this use-case.
+            // Once the old legacy PHP endpoints have been removed we can move
+            // the verification into a middleware and also adds some exemptions.
+            //
+            // Questions about this code? Ask Lukas ;-)
+            $currentUrl = substr(explode('?',$request->getRequestUri(), 2)[0], strlen(\OC::$WEBROOT));
+            if($currentUrl === '/index.php/apps/user_saml/saml/acs' || $currentUrl === '/apps/user_saml/saml/acs') {
+                return;
+            }
+            // For the "index.php" endpoint only a lax cookie is required.
+            if($processingScript === 'index.php') {
+                if(!$request->passesLaxCookieCheck()) {
+                    self::sendSameSiteCookies();
+                    header('Location: '.$_SERVER['REQUEST_URI']);
+                    exit();
+                }
+            } else {
+                // All other endpoints require the lax and the strict cookie
+                if(!$request->passesStrictCookieCheck()) {
+                    self::sendSameSiteCookies();
+                    // Debug mode gets access to the resources without strict cookie
+                    // due to the fact that the SabreDAV browser also lives there.
+                    if(!\OC::$server->getConfig()->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() {
+        // 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::$SERVERROOT . '/tests');
+        }
+        spl_autoload_register(array(self::$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';
+
+        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) {
+                $claimedProtocol = strtoupper($_SERVER['SERVER_PROTOCOL']);
+                $protocol = in_array($claimedProtocol, ['HTTP/1.0', 'HTTP/1.1', 'HTTP/2']) ? $claimedProtocol : 'HTTP/1.1';
+                header($protocol . ' ' . OC_Response::STATUS_SERVICE_UNAVAILABLE);
+            }
+            // 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);
+        \OC::$server->getEventLogger()->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd);
+        \OC::$server->getEventLogger()->start('boot', 'Initialize');
+
+        // Don't display errors and log them
+        error_reporting(E_ALL | E_STRICT);
+        @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 anyway
+
+        //try to set the maximum execution time to 60min
+        if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+            @set_time_limit(3600);
+        }
+        @ini_set('max_execution_time', 3600);
+        @ini_set('max_input_time', 3600);
+
+        //try to set the maximum filesize to 10G
+        @ini_set('upload_max_filesize', '10G');
+        @ini_set('post_max_size', '10G');
+        @ini_set('file_uploads', '50');
+
+        self::setRequiredIniValues();
+        self::handleAuthHeaders();
+        self::registerAutoloaderCache();
+
+        // initialize intl fallback is necessary
+        \Patchwork\Utf8\Bootup::initIntl();
+        OC_Util::isSetLocaleWorking();
+
+        if (!defined('PHPUNIT_RUN')) {
+            OC\Log\ErrorHandler::setLogger(\OC::$server->getLogger());
+            $debug = \OC::$server->getConfig()->getSystemValue('debug', false);
+            OC\Log\ErrorHandler::register($debug);
+        }
+
+        \OC::$server->getEventLogger()->start('init_session', 'Initialize session');
+        OC_App::loadApps(array('session'));
+        if (!self::$CLI) {
+            self::initSession();
+        }
+        \OC::$server->getEventLogger()->end('init_session');
+        self::checkConfig();
+        self::checkInstalled();
+
+        OC_Response::addSecurityHeaders();
+        if(self::$server->getRequest()->getServerProtocol() === 'https') {
+            ini_set('session.cookie_secure', true);
+        }
+
+        self::performSameSiteCookieProtection();
+
+        if (!defined('OC_CONSOLE')) {
+            $errors = OC_Util::checkServer(\OC::$server->getSystemConfig());
+            if (count($errors) > 0) {
+                if (self::$CLI) {
+                    // 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)$error['hint'],
+                        ];
+                    }
+
+                    try {
+                        \OC::$server->getConfig()->setAppValue('core', 'cronErrors', json_encode($staticErrors));
+                    } catch (\Exception $e) {
+                        echo('Writing to database failed');
+                    }
+                    exit(1);
+                } else {
+                    OC_Response::setStatus(OC_Response::STATUS_SERVICE_UNAVAILABLE);
+                    OC_Util::addStyle('guest');
+                    OC_Template::printGuestPage('', 'error', array('errors' => $errors));
+                    exit;
+                }
+            } elseif (self::$CLI && \OC::$server->getConfig()->getSystemValue('installed', false)) {
+                \OC::$server->getConfig()->deleteAppValue('core', 'cronErrors');
+            }
+        }
+        //try to set the session lifetime
+        $sessionLifeTime = self::getSessionLifeTime();
+        @ini_set('gc_maxlifetime', (string)$sessionLifeTime);
+
+        $systemConfig = \OC::$server->getSystemConfig();
+
+        // User and Groups
+        if (!$systemConfig->getValue("installed", false)) {
+            self::$server->getSession()->set('user_id', '');
+        }
+
+        OC_User::useBackend(new \OC\User\Database());
+        \OC::$server->getGroupManager()->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 (!self::checkUpgrade(false)) {
+            OC_User::setupBackends();
+        } else {
+            // Run upgrades in incognito mode
+            OC_User::setIncognitoMode(true);
+        }
+
+        self::registerCacheHooks();
+        self::registerFilesystemHooks();
+        self::registerShareHooks();
+        self::registerLogRotate();
+        self::registerEncryptionWrapper();
+        self::registerEncryptionHooks();
+        self::registerAccountHooks();
+        self::registerSettingsHooks();
+
+        $settings = new \OC\Settings\Application();
+        $settings->register();
+
+        //make sure temporary files are cleaned up
+        $tmpManager = \OC::$server->getTempManager();
+        register_shutdown_function(array($tmpManager, 'clean'));
+        $lockProvider = \OC::$server->getLockingProvider();
+        register_shutdown_function(array($lockProvider, 'releaseAll'));
+
+        // Check whether the sample configuration has been copied
+        if($systemConfig->getValue('copied_sample_config', false)) {
+            $l = \OC::$server->getL10N('lib');
+            header('HTTP/1.1 503 Service Temporarily Unavailable');
+            header('Status: 503 Service Temporarily Unavailable');
+            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')
+            );
+            return;
+        }
+
+        $request = \OC::$server->getRequest();
+        $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
+            // overwritehost is always trusted, workaround to not have to make
+            // \OC\AppFramework\Http\Request::getOverwriteHost public
+            && self::$server->getConfig()->getSystemValue('overwritehost') === ''
+            && !\OC::$server->getTrustedDomainHelper()->isTrustedDomain($host)
+            && self::$server->getConfig()->getSystemValue('installed', false)
+        ) {
+            // Allow access to CSS resources
+            $isScssRequest = false;
+            if(strpos($request->getPathInfo(), '/css/') === 0) {
+                $isScssRequest = true;
+            }
+
+            if (!$isScssRequest) {
+                header('HTTP/1.1 400 Bad Request');
+                header('Status: 400 Bad Request');
+
+                \OC::$server->getLogger()->warning(
+                    '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('domain', $host);
+                $tmpl->printPage();
+
+                exit();
+            }
+        }
+        \OC::$server->getEventLogger()->end('boot');
+    }
+
+    /**
+     * register hooks for the cache
+     */
+    public static function registerCacheHooks() {
+        //don't try to do this before we are properly setup
+        if (\OC::$server->getSystemConfig()->getValue('installed', false) && !self::checkUpgrade(false)) {
+
+            // NOTE: This will be replaced to use OCP
+            $userSession = self::$server->getUserSession();
+            $userSession->listen('\OC\User', 'postLogin', function () {
+                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 $e) {
+                    // a GC exception should not prevent users from using OC,
+                    // so log the exception
+                    \OC::$server->getLogger()->warning('Exception when running cache gc: ' . $e->getMessage(), array('app' => 'core'));
+                }
+            });
+        }
+    }
+
+    public static function registerSettingsHooks() {
+        $dispatcher = \OC::$server->getEventDispatcher();
+        $dispatcher->addListener(OCP\App\ManagerEvent::EVENT_APP_DISABLE, function($event) {
+            /** @var \OCP\App\ManagerEvent $event */
+            \OC::$server->getSettingsManager()->onAppDisabled($event->getAppID());
+        });
+        $dispatcher->addListener(OCP\App\ManagerEvent::EVENT_APP_UPDATE, function($event) {
+            /** @var \OCP\App\ManagerEvent $event */
+            $jobList = \OC::$server->getJobList();
+            $job = 'OC\\Settings\\RemoveOrphaned';
+            if(!($jobList->has($job, null))) {
+                $jobList->add($job);
+            }
+        });
+    }
+
+    private static function registerEncryptionWrapper() {
+        $manager = self::$server->getEncryptionManager();
+        \OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage');
+    }
+
+    private static function registerEncryptionHooks() {
+        $enabled = self::$server->getEncryptionManager()->isEnabled();
+        if ($enabled) {
+            \OCP\Util::connectHook('OCP\Share', 'post_shared', 'OC\Encryption\HookManager', 'postShared');
+            \OCP\Util::connectHook('OCP\Share', 'post_unshare', 'OC\Encryption\HookManager', 'postUnshared');
+            \OCP\Util::connectHook('OC_Filesystem', 'post_rename', 'OC\Encryption\HookManager', 'postRename');
+            \OCP\Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', 'OC\Encryption\HookManager', 'postRestore');
+        }
+    }
+
+    private static function registerAccountHooks() {
+        $hookHandler = new \OC\Accounts\Hooks(\OC::$server->getLogger());
+        \OCP\Util::connectHook('OC_User', 'changeUser', $hookHandler, 'changeUserHook');
+    }
+
+    /**
+     * register hooks for the cache
+     */
+    public static function registerLogRotate() {
+        $systemConfig = \OC::$server->getSystemConfig();
+        if ($systemConfig->getValue('installed', false) && $systemConfig->getValue('log_rotate_size', false) && !self::checkUpgrade(false)) {
+            //don't try to do this before we are properly setup
+            //use custom logfile path if defined, otherwise use default of nextcloud.log in data directory
+            \OC::$server->getJobList()->add('OC\Log\Rotate');
+        }
+    }
+
+    /**
+     * register hooks for the filesystem
+     */
+    public static function registerFilesystemHooks() {
+        // Check for blacklisted files
+        OC_Hook::connect('OC_Filesystem', 'write', 'OC\Files\Filesystem', 'isBlacklisted');
+        OC_Hook::connect('OC_Filesystem', 'rename', 'OC\Files\Filesystem', 'isBlacklisted');
+    }
+
+    /**
+     * register hooks for sharing
+     */
+    public static function registerShareHooks() {
+        if (\OC::$server->getSystemConfig()->getValue('installed')) {
+            OC_Hook::connect('OC_User', 'post_deleteUser', 'OC\Share20\Hooks', 'post_deleteUser');
+            OC_Hook::connect('OC_User', 'post_removeFromGroup', 'OC\Share20\Hooks', 'post_removeFromGroup');
+            OC_Hook::connect('OC_User', 'post_deleteGroup', 'OC\Share20\Hooks', 'post_deleteGroup');
+        }
+    }
+
+    protected static function registerAutoloaderCache() {
+        // 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.
+        $instanceId = \OC::$server->getSystemConfig()->getValue('instanceid', null);
+        if ($instanceId) {
+            try {
+                $memcacheFactory = \OC::$server->getMemCacheFactory();
+                self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
+            } catch (\Exception $ex) {
+            }
+        }
+    }
+
+    /**
+     * Handle the request
+     */
+    public static function handleRequest() {
+
+        \OC::$server->getEventLogger()->start('handle_request', 'Handle request');
+        $systemConfig = \OC::$server->getSystemConfig();
+        // load all the classpaths from the enabled apps so they are available
+        // in the routing files of each app
+        OC::loadAppClassPaths();
+
+        // Check if Nextcloud is installed or in maintenance (update) mode
+        if (!$systemConfig->getValue('installed', false)) {
+            \OC::$server->getSession()->clear();
+            $setupHelper = new OC\Setup(\OC::$server->getSystemConfig(), \OC::$server->getIniWrapper(),
+                \OC::$server->getL10N('lib'), \OC::$server->query(\OCP\Defaults::class), \OC::$server->getLogger(),
+                \OC::$server->getSecureRandom());
+            $controller = new OC\Core\Controller\SetupController($setupHelper);
+            $controller->run($_POST);
+            exit();
+        }
+
+        $request = \OC::$server->getRequest();
+        $requestPath = $request->getRawPathInfo();
+        if ($requestPath === '/heartbeat') {
+            return;
+        }
+        if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade
+            self::checkMaintenanceMode();
+            self::checkUpgrade();
+        }
+
+        // emergency app disabling
+        if ($requestPath === '/disableapp'
+            && $request->getMethod() === 'POST'
+            && ((array)$request->getParam('appid')) !== ''
+        ) {
+            \OCP\JSON::callCheck();
+            \OCP\JSON::checkAdminUser();
+            $appIds = (array)$request->getParam('appid');
+            foreach($appIds as $appId) {
+                $appId = \OC_App::cleanAppId($appId);
+                \OC_App::disable($appId);
+            }
+            \OC_JSON::success();
+            exit();
+        }
+
+        // Always load authentication apps
+        OC_App::loadApps(['authentication']);
+
+        // Load minimum set of apps
+        if (!self::checkUpgrade(false)
+            && !$systemConfig->getValue('maintenance', false)) {
+            // For logged-in users: Load everything
+            if(\OC::$server->getUserSession()->isLoggedIn()) {
+                OC_App::loadApps();
+            } else {
+                // For guests: Load only filesystem and logging
+                OC_App::loadApps(array('filesystem', 'logging'));
+                self::handleLogin($request);
+            }
+        }
+
+        if (!self::$CLI) {
+            try {
+                if (!$systemConfig->getValue('maintenance', false) && !self::checkUpgrade(false)) {
+                    OC_App::loadApps(array('filesystem', 'logging'));
+                    OC_App::loadApps();
+                }
+                OC_Util::setupFS();
+                OC::$server->getRouter()->match(\OC::$server->getRequest()->getRawPathInfo());
+                return;
+            } catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
+                //header('HTTP/1.0 404 Not Found');
+            } catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
+                OC_Response::setStatus(405);
+                return;
+            }
+        }
+
+        // Handle WebDAV
+        if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') {
+            // not allowed any more to prevent people
+            // mounting this root directly.
+            // Users need to mount remote.php/webdav instead.
+            header('HTTP/1.1 405 Method Not Allowed');
+            header('Status: 405 Method Not Allowed');
+            return;
+        }
+
+        // Someone is logged in
+        if (\OC::$server->getUserSession()->isLoggedIn()) {
+            OC_App::loadApps();
+            OC_User::setupBackends();
+            OC_Util::setupFS();
+            // FIXME
+            // Redirect to default application
+            OC_Util::redirectToDefaultPage();
+        } else {
+            // Not handled and not logged in
+            header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute('core.login.showLoginForm'));
+        }
+    }
+
+    /**
+     * Check login: apache auth, auth token, basic auth
+     *
+     * @param OCP\IRequest $request
+     * @return boolean
+     */
+    static function handleLogin(OCP\IRequest $request) {
+        $userSession = self::$server->getUserSession();
+        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($request, \OC::$server->getBruteForceThrottler())) {
+            return true;
+        }
+        return false;
+    }
+
+    protected static function handleAuthHeaders() {
+        //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.
+        $vars = array(
+            'HTTP_AUTHORIZATION', // apache+php-cgi work around
+            'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative
+        );
+        foreach ($vars as $var) {
+            if (isset($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) {
+                list($name, $password) = explode(':', base64_decode($matches[1]), 2);
+                $_SERVER['PHP_AUTH_USER'] = $name;
+                $_SERVER['PHP_AUTH_PW'] = $password;
+                break;
+            }
+        }
+    }
 }
 
 OC::init();

Spacing +60 added lines, -60 removed lines

@@ -119,14 +119,14 @@ 
 	 * the app path list is empty or contains an invalid path
 	 */
 	public static function initPaths() {
-		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, '/') . '/';
+		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::$configDir = OC::$SERVERROOT.'/config/';
 		}
 		self::$config = new \OC\Config(self::$configDir);
 
@@ -148,9 +148,9 @@ 
 			//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.'/';
 				}
-				OC::$SUBURI = OC::$SUBURI . 'index.php';
+				OC::$SUBURI = OC::$SUBURI.'index.php';
 			}
 		}
 
@@ -162,7 +162,7 @@ 
 				OC::$WEBROOT = substr($scriptName, 0, 0 - strlen(OC::$SUBURI));
 
 				if (OC::$WEBROOT != '' && OC::$WEBROOT[0] !== '/') {
-					OC::$WEBROOT = '/' . OC::$WEBROOT;
+					OC::$WEBROOT = '/'.OC::$WEBROOT;
 				}
 			} else {
 				// The scriptName is not ending with OC::$SUBURI
@@ -191,11 +191,11 @@ 
 					OC::$APPSROOTS[] = $paths;
 				}
 			}
-		} elseif (file_exists(OC::$SERVERROOT . '/apps')) {
-			OC::$APPSROOTS[] = array('path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true);
-		} elseif (file_exists(OC::$SERVERROOT . '/../apps')) {
+		} elseif (file_exists(OC::$SERVERROOT.'/apps')) {
+			OC::$APPSROOTS[] = array('path' => OC::$SERVERROOT.'/apps', 'url' => '/apps', 'writable' => true);
+		} elseif (file_exists(OC::$SERVERROOT.'/../apps')) {
 			OC::$APPSROOTS[] = array(
-				'path' => rtrim(dirname(OC::$SERVERROOT), '/') . '/apps',
+				'path' => rtrim(dirname(OC::$SERVERROOT), '/').'/apps',
 				'url' => '/apps',
 				'writable' => true
 			);
@@ -225,8 +225,8 @@ 
 		$l = \OC::$server->getL10N('lib');
 
 		// Create config if it does not already exist
-		$configFilePath = self::$configDir .'/config.php';
-		if(!file_exists($configFilePath)) {
+		$configFilePath = self::$configDir.'/config.php';
+		if (!file_exists($configFilePath)) {
 			@touch($configFilePath);
 		}
 
@@ -241,13 +241,13 @@ 
 				echo $l->t('Cannot write into "config" directory!')."\n";
 				echo $l->t('This can usually be fixed by giving the webserver write access to the config directory')."\n";
 				echo "\n";
-				echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-dir_permissions') ])."\n";
+				echo $l->t('See %s', [$urlGenerator->linkToDocs('admin-dir_permissions')])."\n";
 				exit;
 			} else {
 				OC_Template::printErrorPage(
 					$l->t('Cannot write into "config" directory!'),
 					$l->t('This can usually be fixed by giving the webserver write access to the config directory. See %s',
-					 [ $urlGenerator->linkToDocs('admin-dir_permissions') ])
+					 [$urlGenerator->linkToDocs('admin-dir_permissions')])
 				);
 			}
 		}
@@ -262,8 +262,8 @@ 
 			if (OC::$CLI) {
 				throw new Exception('Not installed');
 			} else {
-				$url = OC::$WEBROOT . '/index.php';
-				header('Location: ' . $url);
+				$url = OC::$WEBROOT.'/index.php';
+				header('Location: '.$url);
 			}
 			exit();
 		}
@@ -387,14 +387,14 @@ 
 		$incompatibleShippedApps = [];
 		foreach ($incompatibleApps as $appInfo) {
 			if ($appManager->isShipped($appInfo['id'])) {
-				$incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')';
+				$incompatibleShippedApps[] = $appInfo['name'].' ('.$appInfo['id'].')';
 			}
 		}
 
 		if (!empty($incompatibleShippedApps)) {
 			$l = \OC::$server->getL10N('core');
 			$hint = $l->t('The files of the app %$1s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]);
-			throw new \OC\HintException('The files of the app ' . implode(', ', $incompatibleShippedApps) . ' were not replaced correctly. Make sure it is a version compatible with the server.', $hint);
+			throw new \OC\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));
@@ -409,7 +409,7 @@ 
 		ini_set('session.cookie_httponly', true);
 
 		// set the cookie path to the Nextcloud directory
-		$cookie_path = OC::$WEBROOT ? : '/';
+		$cookie_path = OC::$WEBROOT ?: '/';
 		ini_set('session.cookie_path', $cookie_path);
 
 		// Let the session name be changed in the initSession Hook
@@ -443,7 +443,7 @@ 
 		// session timeout
 		if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
 			if (isset($_COOKIE[session_name()])) {
-				setcookie(session_name(), null, -1, self::$WEBROOT ? : '/');
+				setcookie(session_name(), null, -1, self::$WEBROOT ?: '/');
 			}
 			\OC::$server->getUserSession()->logout();
 		}
@@ -465,7 +465,7 @@ 
 				continue;
 			}
 
-			$file = $appPath . '/appinfo/classpath.php';
+			$file = $appPath.'/appinfo/classpath.php';
 			if (file_exists($file)) {
 				require_once $file;
 			}
@@ -493,14 +493,14 @@ 
 
 		// Append __Host to the cookie if it meets the requirements
 		$cookiePrefix = '';
-		if($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
+		if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') {
 			$cookiePrefix = '__Host-';
 		}
 
-		foreach($policies as $policy) {
+		foreach ($policies as $policy) {
 			header(
 				sprintf(
-					'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;' . $secureCookie . 'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s',
+					'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;'.$secureCookie.'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s',
 					$cookiePrefix,
 					$policy,
 					$cookieParams['path'],
@@ -531,14 +531,14 @@ 
 			// OS X Finder
 			'/^WebDAVFS/',
 		];
-		if($request->isUserAgent($incompatibleUserAgents)) {
+		if ($request->isUserAgent($incompatibleUserAgents)) {
 			return;
 		}
 
-		if(count($_COOKIE) > 0) {
+		if (count($_COOKIE) > 0) {
 			$requestUri = $request->getScriptName();
 			$processingScript = explode('/', $requestUri);
-			$processingScript = $processingScript[count($processingScript)-1];
+			$processingScript = $processingScript[count($processingScript) - 1];
 			// FIXME: In a SAML scenario we don't get any strict or lax cookie
 			// send for the ACS endpoint. Since we have some legacy code in Nextcloud
 			// (direct PHP files) the enforcement of lax cookies is performed here
@@ -551,30 +551,30 @@ 
 			// the verification into a middleware and also adds some exemptions.
 			//
 			// Questions about this code? Ask Lukas ;-)
-			$currentUrl = substr(explode('?',$request->getRequestUri(), 2)[0], strlen(\OC::$WEBROOT));
-			if($currentUrl === '/index.php/apps/user_saml/saml/acs' || $currentUrl === '/apps/user_saml/saml/acs') {
+			$currentUrl = substr(explode('?', $request->getRequestUri(), 2)[0], strlen(\OC::$WEBROOT));
+			if ($currentUrl === '/index.php/apps/user_saml/saml/acs' || $currentUrl === '/apps/user_saml/saml/acs') {
 				return;
 			}
 			// For the "index.php" endpoint only a lax cookie is required.
-			if($processingScript === 'index.php') {
-				if(!$request->passesLaxCookieCheck()) {
+			if ($processingScript === 'index.php') {
+				if (!$request->passesLaxCookieCheck()) {
 					self::sendSameSiteCookies();
 					header('Location: '.$_SERVER['REQUEST_URI']);
 					exit();
 				}
 			} else {
 				// All other endpoints require the lax and the strict cookie
-				if(!$request->passesStrictCookieCheck()) {
+				if (!$request->passesStrictCookieCheck()) {
 					self::sendSameSiteCookies();
 					// Debug mode gets access to the resources without strict cookie
 					// due to the fact that the SabreDAV browser also lives there.
-					if(!\OC::$server->getConfig()->getSystemValue('debug', false)) {
+					if (!\OC::$server->getConfig()->getSystemValue('debug', false)) {
 						http_response_code(\OCP\AppFramework\Http::STATUS_SERVICE_UNAVAILABLE);
 						exit();
 					}
 				}
 			}
-		} elseif(!isset($_COOKIE['nc_sameSiteCookielax']) || !isset($_COOKIE['nc_sameSiteCookiestrict'])) {
+		} elseif (!isset($_COOKIE['nc_sameSiteCookielax']) || !isset($_COOKIE['nc_sameSiteCookiestrict'])) {
 			self::sendSameSiteCookies();
 		}
 	}
@@ -585,12 +585,12 @@ 
 
 		// register autoloader
 		$loaderStart = microtime(true);
-		require_once __DIR__ . '/autoloader.php';
+		require_once __DIR__.'/autoloader.php';
 		self::$loader = new \OC\Autoloader([
-			OC::$SERVERROOT . '/lib/private/legacy',
+			OC::$SERVERROOT.'/lib/private/legacy',
 		]);
 		if (defined('PHPUNIT_RUN')) {
-			self::$loader->addValidRoot(OC::$SERVERROOT . '/tests');
+			self::$loader->addValidRoot(OC::$SERVERROOT.'/tests');
 		}
 		spl_autoload_register(array(self::$loader, 'load'));
 		$loaderEnd = microtime(true);
@@ -598,12 +598,12 @@ 
 		self::$CLI = (php_sapi_name() == 'cli');
 
 		// Add default composer PSR-4 autoloader
-		self::$composerAutoloader = require_once OC::$SERVERROOT . '/lib/composer/autoload.php';
+		self::$composerAutoloader = require_once OC::$SERVERROOT.'/lib/composer/autoload.php';
 
 		try {
 			self::initPaths();
 			// setup 3rdparty autoloader
-			$vendorAutoLoad = OC::$SERVERROOT. '/3rdparty/autoload.php';
+			$vendorAutoLoad = OC::$SERVERROOT.'/3rdparty/autoload.php';
 			if (!file_exists($vendorAutoLoad)) {
 				throw new \RuntimeException('Composer autoloader not found, unable to continue. Check the folder "3rdparty". Running "git submodule update --init" will initialize the git submodule that handles the subfolder "3rdparty".');
 			}
@@ -613,7 +613,7 @@ 
 			if (!self::$CLI) {
 				$claimedProtocol = strtoupper($_SERVER['SERVER_PROTOCOL']);
 				$protocol = in_array($claimedProtocol, ['HTTP/1.0', 'HTTP/1.1', 'HTTP/2']) ? $claimedProtocol : 'HTTP/1.1';
-				header($protocol . ' ' . OC_Response::STATUS_SERVICE_UNAVAILABLE);
+				header($protocol.' '.OC_Response::STATUS_SERVICE_UNAVAILABLE);
 			}
 			// we can't use the template error page here, because this needs the
 			// DI container which isn't available yet
@@ -631,7 +631,7 @@ 
 		@ini_set('display_errors', 0);
 		@ini_set('log_errors', 1);
 
-		if(!date_default_timezone_set('UTC')) {
+		if (!date_default_timezone_set('UTC')) {
 			throw new \RuntimeException('Could not set timezone to UTC');
 		};
 
@@ -675,7 +675,7 @@ 
 		self::checkInstalled();
 
 		OC_Response::addSecurityHeaders();
-		if(self::$server->getRequest()->getServerProtocol() === 'https') {
+		if (self::$server->getRequest()->getServerProtocol() === 'https') {
 			ini_set('session.cookie_secure', true);
 		}
 
@@ -688,11 +688,11 @@ 
 					// Convert l10n string into regular string for usage in database
 					$staticErrors = [];
 					foreach ($errors as $error) {
-						echo $error['error'] . "\n";
-						echo $error['hint'] . "\n\n";
+						echo $error['error']."\n";
+						echo $error['hint']."\n\n";
 						$staticErrors[] = [
-							'error' => (string)$error['error'],
-							'hint' => (string)$error['hint'],
+							'error' => (string) $error['error'],
+							'hint' => (string) $error['hint'],
 						];
 					}
 
@@ -714,7 +714,7 @@ 
 		}
 		//try to set the session lifetime
 		$sessionLifeTime = self::getSessionLifeTime();
-		@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
+		@ini_set('gc_maxlifetime', (string) $sessionLifeTime);
 
 		$systemConfig = \OC::$server->getSystemConfig();
 
@@ -761,7 +761,7 @@ 
 		register_shutdown_function(array($lockProvider, 'releaseAll'));
 
 		// Check whether the sample configuration has been copied
-		if($systemConfig->getValue('copied_sample_config', false)) {
+		if ($systemConfig->getValue('copied_sample_config', false)) {
 			$l = \OC::$server->getL10N('lib');
 			header('HTTP/1.1 503 Service Temporarily Unavailable');
 			header('Status: 503 Service Temporarily Unavailable');
@@ -787,7 +787,7 @@ 
 		) {
 			// Allow access to CSS resources
 			$isScssRequest = false;
-			if(strpos($request->getPathInfo(), '/css/') === 0) {
+			if (strpos($request->getPathInfo(), '/css/') === 0) {
 				$isScssRequest = true;
 			}
 
@@ -823,7 +823,7 @@ 
 
 			// NOTE: This will be replaced to use OCP
 			$userSession = self::$server->getUserSession();
-			$userSession->listen('\OC\User', 'postLogin', function () {
+			$userSession->listen('\OC\User', 'postLogin', function() {
 				try {
 					$cache = new \OC\Cache\File();
 					$cache->gc();
@@ -835,7 +835,7 @@ 
 				} catch (\Exception $e) {
 					// a GC exception should not prevent users from using OC,
 					// so log the exception
-					\OC::$server->getLogger()->warning('Exception when running cache gc: ' . $e->getMessage(), array('app' => 'core'));
+					\OC::$server->getLogger()->warning('Exception when running cache gc: '.$e->getMessage(), array('app' => 'core'));
 				}
 			});
 		}
@@ -851,7 +851,7 @@ 
 			/** @var \OCP\App\ManagerEvent $event */
 			$jobList = \OC::$server->getJobList();
 			$job = 'OC\\Settings\\RemoveOrphaned';
-			if(!($jobList->has($job, null))) {
+			if (!($jobList->has($job, null))) {
 				$jobList->add($job);
 			}
 		});
@@ -961,12 +961,12 @@ 
 		// emergency app disabling
 		if ($requestPath === '/disableapp'
 			&& $request->getMethod() === 'POST'
-			&& ((array)$request->getParam('appid')) !== ''
+			&& ((array) $request->getParam('appid')) !== ''
 		) {
 			\OCP\JSON::callCheck();
 			\OCP\JSON::checkAdminUser();
-			$appIds = (array)$request->getParam('appid');
-			foreach($appIds as $appId) {
+			$appIds = (array) $request->getParam('appid');
+			foreach ($appIds as $appId) {
 				$appId = \OC_App::cleanAppId($appId);
 				\OC_App::disable($appId);
 			}
@@ -981,7 +981,7 @@ 
 		if (!self::checkUpgrade(false)
 			&& !$systemConfig->getValue('maintenance', false)) {
 			// For logged-in users: Load everything
-			if(\OC::$server->getUserSession()->isLoggedIn()) {
+			if (\OC::$server->getUserSession()->isLoggedIn()) {
 				OC_App::loadApps();
 			} else {
 				// For guests: Load only filesystem and logging

core/Middleware/TwoFactorMiddleware.php

Indentation +95 added lines, -95 removed lines

@@ -41,100 +41,100 @@
 
 class TwoFactorMiddleware extends Middleware {
 
-	/** @var Manager */
-	private $twoFactorManager;
-
-	/** @var Session */
-	private $userSession;
-
-	/** @var ISession */
-	private $session;
-
-	/** @var IURLGenerator */
-	private $urlGenerator;
-
-	/** @var IControllerMethodReflector */
-	private $reflector;
-
-	/** @var IRequest */
-	private $request;
-
-	/**
-	 * @param Manager $twoFactorManager
-	 * @param Session $userSession
-	 * @param ISession $session
-	 * @param IURLGenerator $urlGenerator
-	 */
-	public function __construct(Manager $twoFactorManager, Session $userSession, ISession $session,
-		IURLGenerator $urlGenerator, IControllerMethodReflector $reflector, IRequest $request) {
-		$this->twoFactorManager = $twoFactorManager;
-		$this->userSession = $userSession;
-		$this->session = $session;
-		$this->urlGenerator = $urlGenerator;
-		$this->reflector = $reflector;
-		$this->request = $request;
-	}
-
-	/**
-	 * @param Controller $controller
-	 * @param string $methodName
-	 */
-	public function beforeController($controller, $methodName) {
-		if ($this->reflector->hasAnnotation('PublicPage')) {
-			// Don't block public pages
-			return;
-		}
-
-		if ($controller instanceof LoginController && $methodName === 'logout') {
-			// Don't block the logout page, to allow canceling the 2FA
-			return;
-		}
-
-		if ($this->userSession->isLoggedIn()) {
-			$user = $this->userSession->getUser();
-
-			if ($this->twoFactorManager->isTwoFactorAuthenticated($user)) {
-				$this->checkTwoFactor($controller, $methodName, $user);
-			} else if ($controller instanceof TwoFactorChallengeController) {
-				// Allow access to the two-factor controllers only if two-factor authentication
-				// is in progress.
-				throw new UserAlreadyLoggedInException();
-			}
-		}
-		// TODO: dont check/enforce 2FA if a auth token is used
-	}
-
-	private function checkTwoFactor($controller, $methodName, IUser $user) {
-		// If two-factor auth is in progress disallow access to any controllers
-		// defined within "LoginController".
-		$needsSecondFactor = $this->twoFactorManager->needsSecondFactor($user);
-		$twoFactor = $controller instanceof TwoFactorChallengeController;
-
-		// Disallow access to any controller if 2FA needs to be checked
-		if ($needsSecondFactor && !$twoFactor) {
-			throw new TwoFactorAuthRequiredException();
-		}
-
-		// Allow access to the two-factor controllers only if two-factor authentication
-		// is in progress.
-		if (!$needsSecondFactor && $twoFactor) {
-			throw new UserAlreadyLoggedInException();
-		}
-	}
-
-	public function afterException($controller, $methodName, Exception $exception) {
-		if ($exception instanceof TwoFactorAuthRequiredException) {
-			$params = [];
-			if (isset($this->request->server['REQUEST_URI'])) {
-				$params['redirect_url'] = $this->request->server['REQUEST_URI'];
-			}
-			return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.selectChallenge', $params));
-		}
-		if ($exception instanceof UserAlreadyLoggedInException) {
-			return new RedirectResponse($this->urlGenerator->linkToRoute('files.view.index'));
-		}
-
-		throw $exception;
-	}
+    /** @var Manager */
+    private $twoFactorManager;
+
+    /** @var Session */
+    private $userSession;
+
+    /** @var ISession */
+    private $session;
+
+    /** @var IURLGenerator */
+    private $urlGenerator;
+
+    /** @var IControllerMethodReflector */
+    private $reflector;
+
+    /** @var IRequest */
+    private $request;
+
+    /**
+     * @param Manager $twoFactorManager
+     * @param Session $userSession
+     * @param ISession $session
+     * @param IURLGenerator $urlGenerator
+     */
+    public function __construct(Manager $twoFactorManager, Session $userSession, ISession $session,
+        IURLGenerator $urlGenerator, IControllerMethodReflector $reflector, IRequest $request) {
+        $this->twoFactorManager = $twoFactorManager;
+        $this->userSession = $userSession;
+        $this->session = $session;
+        $this->urlGenerator = $urlGenerator;
+        $this->reflector = $reflector;
+        $this->request = $request;
+    }
+
+    /**
+     * @param Controller $controller
+     * @param string $methodName
+     */
+    public function beforeController($controller, $methodName) {
+        if ($this->reflector->hasAnnotation('PublicPage')) {
+            // Don't block public pages
+            return;
+        }
+
+        if ($controller instanceof LoginController && $methodName === 'logout') {
+            // Don't block the logout page, to allow canceling the 2FA
+            return;
+        }
+
+        if ($this->userSession->isLoggedIn()) {
+            $user = $this->userSession->getUser();
+
+            if ($this->twoFactorManager->isTwoFactorAuthenticated($user)) {
+                $this->checkTwoFactor($controller, $methodName, $user);
+            } else if ($controller instanceof TwoFactorChallengeController) {
+                // Allow access to the two-factor controllers only if two-factor authentication
+                // is in progress.
+                throw new UserAlreadyLoggedInException();
+            }
+        }
+        // TODO: dont check/enforce 2FA if a auth token is used
+    }
+
+    private function checkTwoFactor($controller, $methodName, IUser $user) {
+        // If two-factor auth is in progress disallow access to any controllers
+        // defined within "LoginController".
+        $needsSecondFactor = $this->twoFactorManager->needsSecondFactor($user);
+        $twoFactor = $controller instanceof TwoFactorChallengeController;
+
+        // Disallow access to any controller if 2FA needs to be checked
+        if ($needsSecondFactor && !$twoFactor) {
+            throw new TwoFactorAuthRequiredException();
+        }
+
+        // Allow access to the two-factor controllers only if two-factor authentication
+        // is in progress.
+        if (!$needsSecondFactor && $twoFactor) {
+            throw new UserAlreadyLoggedInException();
+        }
+    }
+
+    public function afterException($controller, $methodName, Exception $exception) {
+        if ($exception instanceof TwoFactorAuthRequiredException) {
+            $params = [];
+            if (isset($this->request->server['REQUEST_URI'])) {
+                $params['redirect_url'] = $this->request->server['REQUEST_URI'];
+            }
+            return new RedirectResponse($this->urlGenerator->linkToRoute('core.TwoFactorChallenge.selectChallenge', $params));
+        }
+        if ($exception instanceof UserAlreadyLoggedInException) {
+            return new RedirectResponse($this->urlGenerator->linkToRoute('files.view.index'));
+        }
+
+        throw $exception;
+    }
 
 }