nextcloud / server

lib/private/Security/IdentityProof/Manager.php

Indentation +110 added lines, -110 removed lines

@@ -28,116 +28,116 @@
 use OCP\Security\ICrypto;
 
 class Manager {
-	/** @var IAppData */
-	private $appData;
-	/** @var ICrypto */
-	private $crypto;
-	/** @var IConfig */
-	private $config;
-
-	/**
-	 * @param Factory $appDataFactory
-	 * @param ICrypto $crypto
-	 * @param IConfig $config
-	 */
-	public function __construct(Factory $appDataFactory,
-								ICrypto $crypto,
-								IConfig $config
-	) {
-		$this->appData = $appDataFactory->get('identityproof');
-		$this->crypto = $crypto;
-		$this->config = $config;
-	}
-
-	/**
-	 * Calls the openssl functions to generate a public and private key.
-	 * In a separate function for unit testing purposes.
-	 *
-	 * @return array [$publicKey, $privateKey]
-	 */
-	protected function generateKeyPair() {
-		$config = [
-			'digest_alg' => 'sha512',
-			'private_key_bits' => 2048,
-		];
-
-		// Generate new key
-		$res = openssl_pkey_new($config);
-		openssl_pkey_export($res, $privateKey);
-
-		// Extract the public key from $res to $pubKey
-		$publicKey = openssl_pkey_get_details($res);
-		$publicKey = $publicKey['key'];
-
-		return [$publicKey, $privateKey];
-	}
-
-	/**
-	 * Generate a key for a given ID
-	 * Note: If a key already exists it will be overwritten
-	 *
-	 * @param string $id key id
-	 * @return Key
-	 */
-	protected function generateKey($id) {
-		list($publicKey, $privateKey) = $this->generateKeyPair();
-
-		// Write the private and public key to the disk
-		try {
-			$this->appData->newFolder($id);
-		} catch (\Exception $e) {}
-		$folder = $this->appData->getFolder($id);
-		$folder->newFile('private')
-			->putContent($this->crypto->encrypt($privateKey));
-		$folder->newFile('public')
-			->putContent($publicKey);
-
-		return new Key($publicKey, $privateKey);
-	}
-
-	/**
-	 * Get key for a specific id
-	 *
-	 * @param string $id
-	 * @return Key
-	 */
-	protected function retrieveKey($id) {
-		try {
-			$folder = $this->appData->getFolder($id);
-			$privateKey = $this->crypto->decrypt(
-				$folder->getFile('private')->getContent()
-			);
-			$publicKey = $folder->getFile('public')->getContent();
-			return new Key($publicKey, $privateKey);
-		} catch (\Exception $e) {
-			return $this->generateKey($id);
-		}
-	}
-
-	/**
-	 * Get public and private key for $user
-	 *
-	 * @param IUser $user
-	 * @return Key
-	 */
-	public function getKey(IUser $user) {
-		$uid = $user->getUID();
-		return $this->retrieveKey('user-' . $uid);
-	}
-
-	/**
-	 * Get instance wide public and private key
-	 *
-	 * @return Key
-	 * @throws \RuntimeException
-	 */
-	public function getSystemKey() {
-		$instanceId = $this->config->getSystemValue('instanceid', null);
-		if ($instanceId === null) {
-			throw new \RuntimeException('no instance id!');
-		}
-		return $this->retrieveKey('system-' . $instanceId);
-	}
+    /** @var IAppData */
+    private $appData;
+    /** @var ICrypto */
+    private $crypto;
+    /** @var IConfig */
+    private $config;
+
+    /**
+     * @param Factory $appDataFactory
+     * @param ICrypto $crypto
+     * @param IConfig $config
+     */
+    public function __construct(Factory $appDataFactory,
+                                ICrypto $crypto,
+                                IConfig $config
+    ) {
+        $this->appData = $appDataFactory->get('identityproof');
+        $this->crypto = $crypto;
+        $this->config = $config;
+    }
+
+    /**
+     * Calls the openssl functions to generate a public and private key.
+     * In a separate function for unit testing purposes.
+     *
+     * @return array [$publicKey, $privateKey]
+     */
+    protected function generateKeyPair() {
+        $config = [
+            'digest_alg' => 'sha512',
+            'private_key_bits' => 2048,
+        ];
+
+        // Generate new key
+        $res = openssl_pkey_new($config);
+        openssl_pkey_export($res, $privateKey);
+
+        // Extract the public key from $res to $pubKey
+        $publicKey = openssl_pkey_get_details($res);
+        $publicKey = $publicKey['key'];
+
+        return [$publicKey, $privateKey];
+    }
+
+    /**
+     * Generate a key for a given ID
+     * Note: If a key already exists it will be overwritten
+     *
+     * @param string $id key id
+     * @return Key
+     */
+    protected function generateKey($id) {
+        list($publicKey, $privateKey) = $this->generateKeyPair();
+
+        // Write the private and public key to the disk
+        try {
+            $this->appData->newFolder($id);
+        } catch (\Exception $e) {}
+        $folder = $this->appData->getFolder($id);
+        $folder->newFile('private')
+            ->putContent($this->crypto->encrypt($privateKey));
+        $folder->newFile('public')
+            ->putContent($publicKey);
+
+        return new Key($publicKey, $privateKey);
+    }
+
+    /**
+     * Get key for a specific id
+     *
+     * @param string $id
+     * @return Key
+     */
+    protected function retrieveKey($id) {
+        try {
+            $folder = $this->appData->getFolder($id);
+            $privateKey = $this->crypto->decrypt(
+                $folder->getFile('private')->getContent()
+            );
+            $publicKey = $folder->getFile('public')->getContent();
+            return new Key($publicKey, $privateKey);
+        } catch (\Exception $e) {
+            return $this->generateKey($id);
+        }
+    }
+
+    /**
+     * Get public and private key for $user
+     *
+     * @param IUser $user
+     * @return Key
+     */
+    public function getKey(IUser $user) {
+        $uid = $user->getUID();
+        return $this->retrieveKey('user-' . $uid);
+    }
+
+    /**
+     * Get instance wide public and private key
+     *
+     * @return Key
+     * @throws \RuntimeException
+     */
+    public function getSystemKey() {
+        $instanceId = $this->config->getSystemValue('instanceid', null);
+        if ($instanceId === null) {
+            throw new \RuntimeException('no instance id!');
+        }
+        return $this->retrieveKey('system-' . $instanceId);
+    }
 
 
 }

Spacing +2 added lines, -2 removed lines

@@ -122,7 +122,7 @@ 
 	 */
 	public function getKey(IUser $user) {
 		$uid = $user->getUID();
-		return $this->retrieveKey('user-' . $uid);
+		return $this->retrieveKey('user-'.$uid);
 	}
 
 	/**
@@ -136,7 +136,7 @@ 
 		if ($instanceId === null) {
 			throw new \RuntimeException('no instance id!');
 		}
-		return $this->retrieveKey('system-' . $instanceId);
+		return $this->retrieveKey('system-'.$instanceId);
 	}
 
 

lib/private/Repair/NC13/RepairIdentityProofKeyFolders.php

Indentation +66 added lines, -66 removed lines

@@ -32,79 +32,79 @@
 
 class RepairIdentityProofKeyFolders implements IRepairStep {
 
-	/** @var IConfig */
-	private $config;
+    /** @var IConfig */
+    private $config;
 
-	/** @var \OC\Files\AppData\AppData */
-	private $appDataIdentityProof;
+    /** @var \OC\Files\AppData\AppData */
+    private $appDataIdentityProof;
 
-	/** @var IRootFolder */
-	private $rootFolder;
+    /** @var IRootFolder */
+    private $rootFolder;
 
-	/** @var string */
-	private $identityProofDir;
+    /** @var string */
+    private $identityProofDir;
 
-	/**
-	 * RepairIdentityProofKeyFolders constructor.
-	 *
-	 * @param IConfig $config
-	 * @param Factory $appDataFactory
-	 * @param IRootFolder $rootFolder
-	 */
-	public function __construct(IConfig $config, Factory $appDataFactory, IRootFolder $rootFolder) {
-		$this->config = $config;
-		$this->appDataIdentityProof = $appDataFactory->get('identityproof');
-		$this->rootFolder = $rootFolder;
+    /**
+     * RepairIdentityProofKeyFolders constructor.
+     *
+     * @param IConfig $config
+     * @param Factory $appDataFactory
+     * @param IRootFolder $rootFolder
+     */
+    public function __construct(IConfig $config, Factory $appDataFactory, IRootFolder $rootFolder) {
+        $this->config = $config;
+        $this->appDataIdentityProof = $appDataFactory->get('identityproof');
+        $this->rootFolder = $rootFolder;
 
-		$instanceId = $this->config->getSystemValue('instanceid', null);
-		if ($instanceId === null) {
-			throw new \RuntimeException('no instance id!');
-		}
-		$this->identityProofDir = 'appdata_' . $instanceId . '/identityproof/';
-	}
+        $instanceId = $this->config->getSystemValue('instanceid', null);
+        if ($instanceId === null) {
+            throw new \RuntimeException('no instance id!');
+        }
+        $this->identityProofDir = 'appdata_' . $instanceId . '/identityproof/';
+    }
 
-	/**
-	 * Returns the step's name
-	 *
-	 * @return string
-	 * @since 9.1.0
-	 */
-	public function getName() {
-		return "Rename folder with user specific keys";
-	}
+    /**
+     * Returns the step's name
+     *
+     * @return string
+     * @since 9.1.0
+     */
+    public function getName() {
+        return "Rename folder with user specific keys";
+    }
 
-	/**
-	 * Run repair step.
-	 * Must throw exception on error.
-	 *
-	 * @param IOutput $output
-	 * @throws \Exception in case of failure
-	 * @since 9.1.0
-	 */
-	public function run(IOutput $output) {
-		$versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0');
-		if (version_compare($versionFromBeforeUpdate, '13.0.0.1', '<=')) {
-			$count = $this->repair();
-			$output->info('Repaired ' . $count . ' folders');
-		}
-	}
+    /**
+     * Run repair step.
+     * Must throw exception on error.
+     *
+     * @param IOutput $output
+     * @throws \Exception in case of failure
+     * @since 9.1.0
+     */
+    public function run(IOutput $output) {
+        $versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0');
+        if (version_compare($versionFromBeforeUpdate, '13.0.0.1', '<=')) {
+            $count = $this->repair();
+            $output->info('Repaired ' . $count . ' folders');
+        }
+    }
 
-	/**
-	 * rename all dirs with user specific keys to 'user-uid'
-	 *
-	 * @return int
-	 */
-	private function repair() {
-		$count = 0;
-		$dirListing = $this->appDataIdentityProof->getDirectoryListing();
-		/** @var ISimpleFolder $folder */
-		foreach ($dirListing as $folder) {
-			$name = $folder->getName();
-			$node = $this->rootFolder->get($this->identityProofDir . $name);
-			$node->move($this->identityProofDir . 'user-' . $name);
-			$count++;
-		}
+    /**
+     * rename all dirs with user specific keys to 'user-uid'
+     *
+     * @return int
+     */
+    private function repair() {
+        $count = 0;
+        $dirListing = $this->appDataIdentityProof->getDirectoryListing();
+        /** @var ISimpleFolder $folder */
+        foreach ($dirListing as $folder) {
+            $name = $folder->getName();
+            $node = $this->rootFolder->get($this->identityProofDir . $name);
+            $node->move($this->identityProofDir . 'user-' . $name);
+            $count++;
+        }
 
-		return $count;
-	}
+        return $count;
+    }
 }

Spacing +4 added lines, -4 removed lines

@@ -60,7 +60,7 @@ 
 		if ($instanceId === null) {
 			throw new \RuntimeException('no instance id!');
 		}
-		$this->identityProofDir = 'appdata_' . $instanceId . '/identityproof/';
+		$this->identityProofDir = 'appdata_'.$instanceId.'/identityproof/';
 	}
 
 	/**
@@ -85,7 +85,7 @@ 
 		$versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0');
 		if (version_compare($versionFromBeforeUpdate, '13.0.0.1', '<=')) {
 			$count = $this->repair();
-			$output->info('Repaired ' . $count . ' folders');
+			$output->info('Repaired '.$count.' folders');
 		}
 	}
 
@@ -100,8 +100,8 @@ 
 		/** @var ISimpleFolder $folder */
 		foreach ($dirListing as $folder) {
 			$name = $folder->getName();
-			$node = $this->rootFolder->get($this->identityProofDir . $name);
-			$node->move($this->identityProofDir . 'user-' . $name);
+			$node = $this->rootFolder->get($this->identityProofDir.$name);
+			$node->move($this->identityProofDir.'user-'.$name);
 			$count++;
 		}
 

lib/private/AppFramework/DependencyInjection/DIContainer.php

Indentation +377 added lines, -377 removed lines

@@ -63,381 +63,381 @@
 
 class DIContainer extends SimpleContainer implements IAppContainer {
 
-	/**
-	 * @var array
-	 */
-	private $middleWares = array();
-
-	/** @var ServerContainer */
-	private $server;
-
-	/**
-	 * Put your class dependencies in here
-	 * @param string $appName the name of the app
-	 * @param array $urlParams
-	 * @param ServerContainer|null $server
-	 */
-	public function __construct($appName, $urlParams = array(), ServerContainer $server = null){
-		parent::__construct();
-		$this['AppName'] = $appName;
-		$this['urlParams'] = $urlParams;
-
-		/** @var \OC\ServerContainer $server */
-		if ($server === null) {
-			$server = \OC::$server;
-		}
-		$this->server = $server;
-		$this->server->registerAppContainer($appName, $this);
-
-		// aliases
-		$this->registerAlias('appName', 'AppName');
-		$this->registerAlias('webRoot', 'WebRoot');
-		$this->registerAlias('userId', 'UserId');
-
-		/**
-		 * Core services
-		 */
-		$this->registerService(IOutput::class, function($c){
-			return new Output($this->getServer()->getWebRoot());
-		});
-
-		$this->registerService(Folder::class, function() {
-			return $this->getServer()->getUserFolder();
-		});
-
-		$this->registerService(IAppData::class, function (SimpleContainer $c) {
-			return $this->getServer()->getAppDataDir($c->query('AppName'));
-		});
-
-		$this->registerService(IL10N::class, function($c) {
-			return $this->getServer()->getL10N($c->query('AppName'));
-		});
-
-		$this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
-		$this->registerAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
-
-		$this->registerService(IRequest::class, function() {
-			return $this->getServer()->query(IRequest::class);
-		});
-		$this->registerAlias('Request', IRequest::class);
-
-		$this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
-		$this->registerAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
-
-		$this->registerAlias(\OC\User\Session::class, \OCP\IUserSession::class);
-
-		$this->registerService(IServerContainer::class, function ($c) {
-			return $this->getServer();
-		});
-		$this->registerAlias('ServerContainer', IServerContainer::class);
-
-		$this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
-			return $c->query('OCA\WorkflowEngine\Manager');
-		});
-
-		$this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
-			return $c;
-		});
-
-		// commonly used attributes
-		$this->registerService('UserId', function ($c) {
-			return $c->query('OCP\\IUserSession')->getSession()->get('user_id');
-		});
-
-		$this->registerService('WebRoot', function ($c) {
-			return $c->query('ServerContainer')->getWebRoot();
-		});
-
-		$this->registerService('fromMailAddress', function() {
-			return Util::getDefaultEmailAddress('no-reply');
-		});
-
-		$this->registerService('OC_Defaults', function ($c) {
-			return $c->getServer()->getThemingDefaults();
-		});
-
-		$this->registerService('OCP\Encryption\IManager', function ($c) {
-			return $this->getServer()->getEncryptionManager();
-		});
-
-		$this->registerService(IConfig::class, function ($c) {
-			return $c->query(OC\GlobalScale\Config::class);
-		});
-
-		$this->registerService(IValidator::class, function($c) {
-			return $c->query(Validator::class);
-		});
-
-		$this->registerService(\OC\Security\IdentityProof\Manager::class, function ($c) {
-			return new \OC\Security\IdentityProof\Manager(
-				$this->getServer()->query(\OC\Files\AppData\Factory::class),
-				$this->getServer()->getCrypto(),
-				$this->getServer()->getConfig()
-			);
-		});
-
-		/**
-		 * App Framework APIs
-		 */
-		$this->registerService('API', function($c){
-			$c->query('OCP\\ILogger')->debug(
-				'Accessing the API class is deprecated! Use the appropriate ' .
-				'services instead!'
-			);
-			return new API($c['AppName']);
-		});
-
-		$this->registerService('Protocol', function($c){
-			/** @var \OC\Server $server */
-			$server = $c->query('ServerContainer');
-			$protocol = $server->getRequest()->getHttpProtocol();
-			return new Http($_SERVER, $protocol);
-		});
-
-		$this->registerService('Dispatcher', function($c) {
-			return new Dispatcher(
-				$c['Protocol'],
-				$c['MiddlewareDispatcher'],
-				$c['ControllerMethodReflector'],
-				$c['Request']
-			);
-		});
-
-		/**
-		 * App Framework default arguments
-		 */
-		$this->registerParameter('corsMethods', 'PUT, POST, GET, DELETE, PATCH');
-		$this->registerParameter('corsAllowedHeaders', 'Authorization, Content-Type, Accept');
-		$this->registerParameter('corsMaxAge', 1728000);
-
-		/**
-		 * Middleware
-		 */
-		$app = $this;
-		$this->registerService('SecurityMiddleware', function($c) use ($app){
-			/** @var \OC\Server $server */
-			$server = $app->getServer();
-
-			return new SecurityMiddleware(
-				$c['Request'],
-				$c['ControllerMethodReflector'],
-				$server->getNavigationManager(),
-				$server->getURLGenerator(),
-				$server->getLogger(),
-				$server->getSession(),
-				$c['AppName'],
-				$app->isLoggedIn(),
-				$app->isAdminUser(),
-				$server->getContentSecurityPolicyManager(),
-				$server->getCsrfTokenManager(),
-				$server->getContentSecurityPolicyNonceManager()
-			);
-
-		});
-
-		$this->registerService('BruteForceMiddleware', function($c) use ($app) {
-			/** @var \OC\Server $server */
-			$server = $app->getServer();
-
-			return new OC\AppFramework\Middleware\Security\BruteForceMiddleware(
-				$c['ControllerMethodReflector'],
-				$server->getBruteForceThrottler(),
-				$server->getRequest()
-			);
-		});
-
-		$this->registerService('RateLimitingMiddleware', function($c) use ($app) {
-			/** @var \OC\Server $server */
-			$server = $app->getServer();
-
-			return new RateLimitingMiddleware(
-				$server->getRequest(),
-				$server->getUserSession(),
-				$c['ControllerMethodReflector'],
-				$c->query(OC\Security\RateLimiting\Limiter::class)
-			);
-		});
-
-		$this->registerService('CORSMiddleware', function($c) {
-			return new CORSMiddleware(
-				$c['Request'],
-				$c['ControllerMethodReflector'],
-				$c->query(IUserSession::class),
-				$c->getServer()->getBruteForceThrottler()
-			);
-		});
-
-		$this->registerService('SessionMiddleware', function($c) use ($app) {
-			return new SessionMiddleware(
-				$c['Request'],
-				$c['ControllerMethodReflector'],
-				$app->getServer()->getSession()
-			);
-		});
-
-		$this->registerService('TwoFactorMiddleware', function (SimpleContainer $c) use ($app) {
-			$twoFactorManager = $c->getServer()->getTwoFactorAuthManager();
-			$userSession = $app->getServer()->getUserSession();
-			$session = $app->getServer()->getSession();
-			$urlGenerator = $app->getServer()->getURLGenerator();
-			$reflector = $c['ControllerMethodReflector'];
-			$request = $app->getServer()->getRequest();
-			return new TwoFactorMiddleware($twoFactorManager, $userSession, $session, $urlGenerator, $reflector, $request);
-		});
-
-		$this->registerService('OCSMiddleware', function (SimpleContainer $c) {
-			return new OCSMiddleware(
-				$c['Request']
-			);
-		});
-
-		$middleWares = &$this->middleWares;
-		$this->registerService('MiddlewareDispatcher', function($c) use (&$middleWares) {
-			$dispatcher = new MiddlewareDispatcher();
-			$dispatcher->registerMiddleware($c['CORSMiddleware']);
-			$dispatcher->registerMiddleware($c['OCSMiddleware']);
-			$dispatcher->registerMiddleware($c['SecurityMiddleware']);
-			$dispatcher->registerMiddleware($c['TwoFactorMiddleware']);
-			$dispatcher->registerMiddleware($c['BruteForceMiddleware']);
-			$dispatcher->registerMiddleware($c['RateLimitingMiddleware']);
-
-			foreach($middleWares as $middleWare) {
-				$dispatcher->registerMiddleware($c[$middleWare]);
-			}
-
-			$dispatcher->registerMiddleware($c['SessionMiddleware']);
-			return $dispatcher;
-		});
-
-	}
-
-
-	/**
-	 * @deprecated implements only deprecated methods
-	 * @return IApi
-	 */
-	public function getCoreApi()
-	{
-		return $this->query('API');
-	}
-
-	/**
-	 * @return \OCP\IServerContainer
-	 */
-	public function getServer()
-	{
-		return $this->server;
-	}
-
-	/**
-	 * @param string $middleWare
-	 * @return boolean|null
-	 */
-	public function registerMiddleWare($middleWare) {
-		array_push($this->middleWares, $middleWare);
-	}
-
-	/**
-	 * used to return the appname of the set application
-	 * @return string the name of your application
-	 */
-	public function getAppName() {
-		return $this->query('AppName');
-	}
-
-	/**
-	 * @deprecated use IUserSession->isLoggedIn()
-	 * @return boolean
-	 */
-	public function isLoggedIn() {
-		return \OC::$server->getUserSession()->isLoggedIn();
-	}
-
-	/**
-	 * @deprecated use IGroupManager->isAdmin($userId)
-	 * @return boolean
-	 */
-	public function isAdminUser() {
-		$uid = $this->getUserId();
-		return \OC_User::isAdminUser($uid);
-	}
-
-	private function getUserId() {
-		return $this->getServer()->getSession()->get('user_id');
-	}
-
-	/**
-	 * @deprecated use the ILogger instead
-	 * @param string $message
-	 * @param string $level
-	 * @return mixed
-	 */
-	public function log($message, $level) {
-		switch($level){
-			case 'debug':
-				$level = \OCP\Util::DEBUG;
-				break;
-			case 'info':
-				$level = \OCP\Util::INFO;
-				break;
-			case 'warn':
-				$level = \OCP\Util::WARN;
-				break;
-			case 'fatal':
-				$level = \OCP\Util::FATAL;
-				break;
-			default:
-				$level = \OCP\Util::ERROR;
-				break;
-		}
-		\OCP\Util::writeLog($this->getAppName(), $message, $level);
-	}
-
-	/**
-	 * Register a capability
-	 *
-	 * @param string $serviceName e.g. 'OCA\Files\Capabilities'
-	 */
-	public function registerCapability($serviceName) {
-		$this->query('OC\CapabilitiesManager')->registerCapability(function() use ($serviceName) {
-			return $this->query($serviceName);
-		});
-	}
-
-	/**
-	 * @param string $name
-	 * @return mixed
-	 * @throws QueryException if the query could not be resolved
-	 */
-	public function query($name) {
-		try {
-			return $this->queryNoFallback($name);
-		} catch (QueryException $e) {
-			return $this->getServer()->query($name);
-		}
-	}
-
-	/**
-	 * @param string $name
-	 * @return mixed
-	 * @throws QueryException if the query could not be resolved
-	 */
-	public function queryNoFallback($name) {
-		$name = $this->sanitizeName($name);
-
-		if ($this->offsetExists($name)) {
-			return parent::query($name);
-		} else {
-			if ($this['AppName'] === 'settings' && strpos($name, 'OC\\Settings\\') === 0) {
-				return parent::query($name);
-			} else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
-				return parent::query($name);
-			} else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
-				return parent::query($name);
-			}
-		}
-
-		throw new QueryException('Could not resolve ' . $name . '!' .
-			' Class can not be instantiated');
-	}
+    /**
+     * @var array
+     */
+    private $middleWares = array();
+
+    /** @var ServerContainer */
+    private $server;
+
+    /**
+     * Put your class dependencies in here
+     * @param string $appName the name of the app
+     * @param array $urlParams
+     * @param ServerContainer|null $server
+     */
+    public function __construct($appName, $urlParams = array(), ServerContainer $server = null){
+        parent::__construct();
+        $this['AppName'] = $appName;
+        $this['urlParams'] = $urlParams;
+
+        /** @var \OC\ServerContainer $server */
+        if ($server === null) {
+            $server = \OC::$server;
+        }
+        $this->server = $server;
+        $this->server->registerAppContainer($appName, $this);
+
+        // aliases
+        $this->registerAlias('appName', 'AppName');
+        $this->registerAlias('webRoot', 'WebRoot');
+        $this->registerAlias('userId', 'UserId');
+
+        /**
+         * Core services
+         */
+        $this->registerService(IOutput::class, function($c){
+            return new Output($this->getServer()->getWebRoot());
+        });
+
+        $this->registerService(Folder::class, function() {
+            return $this->getServer()->getUserFolder();
+        });
+
+        $this->registerService(IAppData::class, function (SimpleContainer $c) {
+            return $this->getServer()->getAppDataDir($c->query('AppName'));
+        });
+
+        $this->registerService(IL10N::class, function($c) {
+            return $this->getServer()->getL10N($c->query('AppName'));
+        });
+
+        $this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
+        $this->registerAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
+
+        $this->registerService(IRequest::class, function() {
+            return $this->getServer()->query(IRequest::class);
+        });
+        $this->registerAlias('Request', IRequest::class);
+
+        $this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
+        $this->registerAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
+
+        $this->registerAlias(\OC\User\Session::class, \OCP\IUserSession::class);
+
+        $this->registerService(IServerContainer::class, function ($c) {
+            return $this->getServer();
+        });
+        $this->registerAlias('ServerContainer', IServerContainer::class);
+
+        $this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
+            return $c->query('OCA\WorkflowEngine\Manager');
+        });
+
+        $this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
+            return $c;
+        });
+
+        // commonly used attributes
+        $this->registerService('UserId', function ($c) {
+            return $c->query('OCP\\IUserSession')->getSession()->get('user_id');
+        });
+
+        $this->registerService('WebRoot', function ($c) {
+            return $c->query('ServerContainer')->getWebRoot();
+        });
+
+        $this->registerService('fromMailAddress', function() {
+            return Util::getDefaultEmailAddress('no-reply');
+        });
+
+        $this->registerService('OC_Defaults', function ($c) {
+            return $c->getServer()->getThemingDefaults();
+        });
+
+        $this->registerService('OCP\Encryption\IManager', function ($c) {
+            return $this->getServer()->getEncryptionManager();
+        });
+
+        $this->registerService(IConfig::class, function ($c) {
+            return $c->query(OC\GlobalScale\Config::class);
+        });
+
+        $this->registerService(IValidator::class, function($c) {
+            return $c->query(Validator::class);
+        });
+
+        $this->registerService(\OC\Security\IdentityProof\Manager::class, function ($c) {
+            return new \OC\Security\IdentityProof\Manager(
+                $this->getServer()->query(\OC\Files\AppData\Factory::class),
+                $this->getServer()->getCrypto(),
+                $this->getServer()->getConfig()
+            );
+        });
+
+        /**
+         * App Framework APIs
+         */
+        $this->registerService('API', function($c){
+            $c->query('OCP\\ILogger')->debug(
+                'Accessing the API class is deprecated! Use the appropriate ' .
+                'services instead!'
+            );
+            return new API($c['AppName']);
+        });
+
+        $this->registerService('Protocol', function($c){
+            /** @var \OC\Server $server */
+            $server = $c->query('ServerContainer');
+            $protocol = $server->getRequest()->getHttpProtocol();
+            return new Http($_SERVER, $protocol);
+        });
+
+        $this->registerService('Dispatcher', function($c) {
+            return new Dispatcher(
+                $c['Protocol'],
+                $c['MiddlewareDispatcher'],
+                $c['ControllerMethodReflector'],
+                $c['Request']
+            );
+        });
+
+        /**
+         * App Framework default arguments
+         */
+        $this->registerParameter('corsMethods', 'PUT, POST, GET, DELETE, PATCH');
+        $this->registerParameter('corsAllowedHeaders', 'Authorization, Content-Type, Accept');
+        $this->registerParameter('corsMaxAge', 1728000);
+
+        /**
+         * Middleware
+         */
+        $app = $this;
+        $this->registerService('SecurityMiddleware', function($c) use ($app){
+            /** @var \OC\Server $server */
+            $server = $app->getServer();
+
+            return new SecurityMiddleware(
+                $c['Request'],
+                $c['ControllerMethodReflector'],
+                $server->getNavigationManager(),
+                $server->getURLGenerator(),
+                $server->getLogger(),
+                $server->getSession(),
+                $c['AppName'],
+                $app->isLoggedIn(),
+                $app->isAdminUser(),
+                $server->getContentSecurityPolicyManager(),
+                $server->getCsrfTokenManager(),
+                $server->getContentSecurityPolicyNonceManager()
+            );
+
+        });
+
+        $this->registerService('BruteForceMiddleware', function($c) use ($app) {
+            /** @var \OC\Server $server */
+            $server = $app->getServer();
+
+            return new OC\AppFramework\Middleware\Security\BruteForceMiddleware(
+                $c['ControllerMethodReflector'],
+                $server->getBruteForceThrottler(),
+                $server->getRequest()
+            );
+        });
+
+        $this->registerService('RateLimitingMiddleware', function($c) use ($app) {
+            /** @var \OC\Server $server */
+            $server = $app->getServer();
+
+            return new RateLimitingMiddleware(
+                $server->getRequest(),
+                $server->getUserSession(),
+                $c['ControllerMethodReflector'],
+                $c->query(OC\Security\RateLimiting\Limiter::class)
+            );
+        });
+
+        $this->registerService('CORSMiddleware', function($c) {
+            return new CORSMiddleware(
+                $c['Request'],
+                $c['ControllerMethodReflector'],
+                $c->query(IUserSession::class),
+                $c->getServer()->getBruteForceThrottler()
+            );
+        });
+
+        $this->registerService('SessionMiddleware', function($c) use ($app) {
+            return new SessionMiddleware(
+                $c['Request'],
+                $c['ControllerMethodReflector'],
+                $app->getServer()->getSession()
+            );
+        });
+
+        $this->registerService('TwoFactorMiddleware', function (SimpleContainer $c) use ($app) {
+            $twoFactorManager = $c->getServer()->getTwoFactorAuthManager();
+            $userSession = $app->getServer()->getUserSession();
+            $session = $app->getServer()->getSession();
+            $urlGenerator = $app->getServer()->getURLGenerator();
+            $reflector = $c['ControllerMethodReflector'];
+            $request = $app->getServer()->getRequest();
+            return new TwoFactorMiddleware($twoFactorManager, $userSession, $session, $urlGenerator, $reflector, $request);
+        });
+
+        $this->registerService('OCSMiddleware', function (SimpleContainer $c) {
+            return new OCSMiddleware(
+                $c['Request']
+            );
+        });
+
+        $middleWares = &$this->middleWares;
+        $this->registerService('MiddlewareDispatcher', function($c) use (&$middleWares) {
+            $dispatcher = new MiddlewareDispatcher();
+            $dispatcher->registerMiddleware($c['CORSMiddleware']);
+            $dispatcher->registerMiddleware($c['OCSMiddleware']);
+            $dispatcher->registerMiddleware($c['SecurityMiddleware']);
+            $dispatcher->registerMiddleware($c['TwoFactorMiddleware']);
+            $dispatcher->registerMiddleware($c['BruteForceMiddleware']);
+            $dispatcher->registerMiddleware($c['RateLimitingMiddleware']);
+
+            foreach($middleWares as $middleWare) {
+                $dispatcher->registerMiddleware($c[$middleWare]);
+            }
+
+            $dispatcher->registerMiddleware($c['SessionMiddleware']);
+            return $dispatcher;
+        });
+
+    }
+
+
+    /**
+     * @deprecated implements only deprecated methods
+     * @return IApi
+     */
+    public function getCoreApi()
+    {
+        return $this->query('API');
+    }
+
+    /**
+     * @return \OCP\IServerContainer
+     */
+    public function getServer()
+    {
+        return $this->server;
+    }
+
+    /**
+     * @param string $middleWare
+     * @return boolean|null
+     */
+    public function registerMiddleWare($middleWare) {
+        array_push($this->middleWares, $middleWare);
+    }
+
+    /**
+     * used to return the appname of the set application
+     * @return string the name of your application
+     */
+    public function getAppName() {
+        return $this->query('AppName');
+    }
+
+    /**
+     * @deprecated use IUserSession->isLoggedIn()
+     * @return boolean
+     */
+    public function isLoggedIn() {
+        return \OC::$server->getUserSession()->isLoggedIn();
+    }
+
+    /**
+     * @deprecated use IGroupManager->isAdmin($userId)
+     * @return boolean
+     */
+    public function isAdminUser() {
+        $uid = $this->getUserId();
+        return \OC_User::isAdminUser($uid);
+    }
+
+    private function getUserId() {
+        return $this->getServer()->getSession()->get('user_id');
+    }
+
+    /**
+     * @deprecated use the ILogger instead
+     * @param string $message
+     * @param string $level
+     * @return mixed
+     */
+    public function log($message, $level) {
+        switch($level){
+            case 'debug':
+                $level = \OCP\Util::DEBUG;
+                break;
+            case 'info':
+                $level = \OCP\Util::INFO;
+                break;
+            case 'warn':
+                $level = \OCP\Util::WARN;
+                break;
+            case 'fatal':
+                $level = \OCP\Util::FATAL;
+                break;
+            default:
+                $level = \OCP\Util::ERROR;
+                break;
+        }
+        \OCP\Util::writeLog($this->getAppName(), $message, $level);
+    }
+
+    /**
+     * Register a capability
+     *
+     * @param string $serviceName e.g. 'OCA\Files\Capabilities'
+     */
+    public function registerCapability($serviceName) {
+        $this->query('OC\CapabilitiesManager')->registerCapability(function() use ($serviceName) {
+            return $this->query($serviceName);
+        });
+    }
+
+    /**
+     * @param string $name
+     * @return mixed
+     * @throws QueryException if the query could not be resolved
+     */
+    public function query($name) {
+        try {
+            return $this->queryNoFallback($name);
+        } catch (QueryException $e) {
+            return $this->getServer()->query($name);
+        }
+    }
+
+    /**
+     * @param string $name
+     * @return mixed
+     * @throws QueryException if the query could not be resolved
+     */
+    public function queryNoFallback($name) {
+        $name = $this->sanitizeName($name);
+
+        if ($this->offsetExists($name)) {
+            return parent::query($name);
+        } else {
+            if ($this['AppName'] === 'settings' && strpos($name, 'OC\\Settings\\') === 0) {
+                return parent::query($name);
+            } else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
+                return parent::query($name);
+            } else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
+                return parent::query($name);
+            }
+        }
+
+        throw new QueryException('Could not resolve ' . $name . '!' .
+            ' Class can not be instantiated');
+    }
 }

Spacing +21 added lines, -21 removed lines

@@ -77,7 +77,7 @@ 
 	 * @param array $urlParams
 	 * @param ServerContainer|null $server
 	 */
-	public function __construct($appName, $urlParams = array(), ServerContainer $server = null){
+	public function __construct($appName, $urlParams = array(), ServerContainer $server = null) {
 		parent::__construct();
 		$this['AppName'] = $appName;
 		$this['urlParams'] = $urlParams;
@@ -97,7 +97,7 @@ 
 		/**
 		 * Core services
 		 */
-		$this->registerService(IOutput::class, function($c){
+		$this->registerService(IOutput::class, function($c) {
 			return new Output($this->getServer()->getWebRoot());
 		});
 
@@ -105,7 +105,7 @@ 
 			return $this->getServer()->getUserFolder();
 		});
 
-		$this->registerService(IAppData::class, function (SimpleContainer $c) {
+		$this->registerService(IAppData::class, function(SimpleContainer $c) {
 			return $this->getServer()->getAppDataDir($c->query('AppName'));
 		});
 
@@ -126,25 +126,25 @@ 
 
 		$this->registerAlias(\OC\User\Session::class, \OCP\IUserSession::class);
 
-		$this->registerService(IServerContainer::class, function ($c) {
+		$this->registerService(IServerContainer::class, function($c) {
 			return $this->getServer();
 		});
 		$this->registerAlias('ServerContainer', IServerContainer::class);
 
-		$this->registerService(\OCP\WorkflowEngine\IManager::class, function ($c) {
+		$this->registerService(\OCP\WorkflowEngine\IManager::class, function($c) {
 			return $c->query('OCA\WorkflowEngine\Manager');
 		});
 
-		$this->registerService(\OCP\AppFramework\IAppContainer::class, function ($c) {
+		$this->registerService(\OCP\AppFramework\IAppContainer::class, function($c) {
 			return $c;
 		});
 
 		// commonly used attributes
-		$this->registerService('UserId', function ($c) {
+		$this->registerService('UserId', function($c) {
 			return $c->query('OCP\\IUserSession')->getSession()->get('user_id');
 		});
 
-		$this->registerService('WebRoot', function ($c) {
+		$this->registerService('WebRoot', function($c) {
 			return $c->query('ServerContainer')->getWebRoot();
 		});
 
@@ -152,15 +152,15 @@ 
 			return Util::getDefaultEmailAddress('no-reply');
 		});
 
-		$this->registerService('OC_Defaults', function ($c) {
+		$this->registerService('OC_Defaults', function($c) {
 			return $c->getServer()->getThemingDefaults();
 		});
 
-		$this->registerService('OCP\Encryption\IManager', function ($c) {
+		$this->registerService('OCP\Encryption\IManager', function($c) {
 			return $this->getServer()->getEncryptionManager();
 		});
 
-		$this->registerService(IConfig::class, function ($c) {
+		$this->registerService(IConfig::class, function($c) {
 			return $c->query(OC\GlobalScale\Config::class);
 		});
 
@@ -168,7 +168,7 @@ 
 			return $c->query(Validator::class);
 		});
 
-		$this->registerService(\OC\Security\IdentityProof\Manager::class, function ($c) {
+		$this->registerService(\OC\Security\IdentityProof\Manager::class, function($c) {
 			return new \OC\Security\IdentityProof\Manager(
 				$this->getServer()->query(\OC\Files\AppData\Factory::class),
 				$this->getServer()->getCrypto(),
@@ -179,15 +179,15 @@ 
 		/**
 		 * App Framework APIs
 		 */
-		$this->registerService('API', function($c){
+		$this->registerService('API', function($c) {
 			$c->query('OCP\\ILogger')->debug(
-				'Accessing the API class is deprecated! Use the appropriate ' .
+				'Accessing the API class is deprecated! Use the appropriate '.
 				'services instead!'
 			);
 			return new API($c['AppName']);
 		});
 
-		$this->registerService('Protocol', function($c){
+		$this->registerService('Protocol', function($c) {
 			/** @var \OC\Server $server */
 			$server = $c->query('ServerContainer');
 			$protocol = $server->getRequest()->getHttpProtocol();
@@ -275,7 +275,7 @@ 
 			);
 		});
 
-		$this->registerService('TwoFactorMiddleware', function (SimpleContainer $c) use ($app) {
+		$this->registerService('TwoFactorMiddleware', function(SimpleContainer $c) use ($app) {
 			$twoFactorManager = $c->getServer()->getTwoFactorAuthManager();
 			$userSession = $app->getServer()->getUserSession();
 			$session = $app->getServer()->getSession();
@@ -285,7 +285,7 @@ 
 			return new TwoFactorMiddleware($twoFactorManager, $userSession, $session, $urlGenerator, $reflector, $request);
 		});
 
-		$this->registerService('OCSMiddleware', function (SimpleContainer $c) {
+		$this->registerService('OCSMiddleware', function(SimpleContainer $c) {
 			return new OCSMiddleware(
 				$c['Request']
 			);
@@ -301,7 +301,7 @@ 
 			$dispatcher->registerMiddleware($c['BruteForceMiddleware']);
 			$dispatcher->registerMiddleware($c['RateLimitingMiddleware']);
 
-			foreach($middleWares as $middleWare) {
+			foreach ($middleWares as $middleWare) {
 				$dispatcher->registerMiddleware($c[$middleWare]);
 			}
 
@@ -373,7 +373,7 @@ 
 	 * @return mixed
 	 */
 	public function log($message, $level) {
-		switch($level){
+		switch ($level) {
 			case 'debug':
 				$level = \OCP\Util::DEBUG;
 				break;
@@ -432,12 +432,12 @@ 
 				return parent::query($name);
 			} else if ($this['AppName'] === 'core' && strpos($name, 'OC\\Core\\') === 0) {
 				return parent::query($name);
-			} else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']) . '\\') === 0) {
+			} else if (strpos($name, \OC\AppFramework\App::buildAppNamespace($this['AppName']).'\\') === 0) {
 				return parent::query($name);
 			}
 		}
 
-		throw new QueryException('Could not resolve ' . $name . '!' .
+		throw new QueryException('Could not resolve '.$name.'!'.
 			' Class can not be instantiated');
 	}
 }

lib/private/Repair.php

Indentation +177 added lines, -177 removed lines

@@ -56,181 +56,181 @@
 use Symfony\Component\EventDispatcher\GenericEvent;
 
 class Repair implements IOutput{
-	/* @var IRepairStep[] */
-	private $repairSteps;
-	/** @var EventDispatcher */
-	private $dispatcher;
-	/** @var string */
-	private $currentStep;
-
-	/**
-	 * Creates a new repair step runner
-	 *
-	 * @param IRepairStep[] $repairSteps array of RepairStep instances
-	 * @param EventDispatcher $dispatcher
-	 */
-	public function __construct($repairSteps = [], EventDispatcher $dispatcher = null) {
-		$this->repairSteps = $repairSteps;
-		$this->dispatcher = $dispatcher;
-	}
-
-	/**
-	 * Run a series of repair steps for common problems
-	 */
-	public function run() {
-		if (count($this->repairSteps) === 0) {
-			$this->emit('\OC\Repair', 'info', array('No repair steps available'));
-			return;
-		}
-		// run each repair step
-		foreach ($this->repairSteps as $step) {
-			$this->currentStep = $step->getName();
-			$this->emit('\OC\Repair', 'step', [$this->currentStep]);
-			$step->run($this);
-		}
-	}
-
-	/**
-	 * Add repair step
-	 *
-	 * @param IRepairStep|string $repairStep repair step
-	 * @throws \Exception
-	 */
-	public function addStep($repairStep) {
-		if (is_string($repairStep)) {
-			try {
-				$s = \OC::$server->query($repairStep);
-			} catch (QueryException $e) {
-				if (class_exists($repairStep)) {
-					$s = new $repairStep();
-				} else {
-					throw new \Exception("Repair step '$repairStep' is unknown");
-				}
-			}
-
-			if ($s instanceof IRepairStep) {
-				$this->repairSteps[] = $s;
-			} else {
-				throw new \Exception("Repair step '$repairStep' is not of type \\OCP\\Migration\\IRepairStep");
-			}
-		} else {
-			$this->repairSteps[] = $repairStep;
-		}
-	}
-
-	/**
-	 * Returns the default repair steps to be run on the
-	 * command line or after an upgrade.
-	 *
-	 * @return IRepairStep[]
-	 */
-	public static function getRepairSteps() {
-		return [
-			new Collation(\OC::$server->getConfig(), \OC::$server->getLogger(), \OC::$server->getDatabaseConnection(), false),
-			new RepairMimeTypes(\OC::$server->getConfig()),
-			new CleanTags(\OC::$server->getDatabaseConnection(), \OC::$server->getUserManager()),
-			new RepairInvalidShares(\OC::$server->getConfig(), \OC::$server->getDatabaseConnection()),
-			new RemoveRootShares(\OC::$server->getDatabaseConnection(), \OC::$server->getUserManager(), \OC::$server->getLazyRootFolder()),
-			new MoveUpdaterStepFile(\OC::$server->getConfig()),
-			new MoveAvatars(
-				\OC::$server->getJobList(),
-				\OC::$server->getConfig()
-			),
-			new CleanPreviews(
-				\OC::$server->getJobList(),
-				\OC::$server->getUserManager(),
-				\OC::$server->getConfig()
-			),
-			new FixMountStorages(\OC::$server->getDatabaseConnection()),
-			new UpdateLanguageCodes(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig()),
-			new InstallCoreBundle(
-				\OC::$server->query(BundleFetcher::class),
-				\OC::$server->getConfig(),
-				\OC::$server->query(Installer::class)
-			),
-			new RepairInvalidPaths(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig()),
-			new RepairIdentityProofKeyFolders(\OC::$server->getConfig(), \OC::$server->query(Factory::class), \OC::$server->getRootFolder()),
-		];
-	}
-
-	/**
-	 * Returns expensive repair steps to be run on the
-	 * command line with a special option.
-	 *
-	 * @return IRepairStep[]
-	 */
-	public static function getExpensiveRepairSteps() {
-		return [
-			new OldGroupMembershipShares(\OC::$server->getDatabaseConnection(), \OC::$server->getGroupManager())
-		];
-	}
-
-	/**
-	 * Returns the repair steps to be run before an
-	 * upgrade.
-	 *
-	 * @return IRepairStep[]
-	 */
-	public static function getBeforeUpgradeRepairSteps() {
-		$connection = \OC::$server->getDatabaseConnection();
-		$config = \OC::$server->getConfig();
-		$steps = [
-			new Collation(\OC::$server->getConfig(), \OC::$server->getLogger(), $connection, true),
-			new SqliteAutoincrement($connection),
-			new SaveAccountsTableData($connection, $config),
-			new DropAccountTermsTable($connection),
-		];
-
-		return $steps;
-	}
-
-	/**
-	 * @param string $scope
-	 * @param string $method
-	 * @param array $arguments
-	 */
-	public function emit($scope, $method, array $arguments = []) {
-		if (!is_null($this->dispatcher)) {
-			$this->dispatcher->dispatch("$scope::$method",
-				new GenericEvent("$scope::$method", $arguments));
-		}
-	}
-
-	public function info($string) {
-		// for now just emit as we did in the past
-		$this->emit('\OC\Repair', 'info', array($string));
-	}
-
-	/**
-	 * @param string $message
-	 */
-	public function warning($message) {
-		// for now just emit as we did in the past
-		$this->emit('\OC\Repair', 'warning', [$message]);
-	}
-
-	/**
-	 * @param int $max
-	 */
-	public function startProgress($max = 0) {
-		// for now just emit as we did in the past
-		$this->emit('\OC\Repair', 'startProgress', [$max, $this->currentStep]);
-	}
-
-	/**
-	 * @param int $step
-	 * @param string $description
-	 */
-	public function advance($step = 1, $description = '') {
-		// for now just emit as we did in the past
-		$this->emit('\OC\Repair', 'advance', [$step, $description]);
-	}
-
-	/**
-	 * @param int $max
-	 */
-	public function finishProgress() {
-		// for now just emit as we did in the past
-		$this->emit('\OC\Repair', 'finishProgress', []);
-	}
+    /* @var IRepairStep[] */
+    private $repairSteps;
+    /** @var EventDispatcher */
+    private $dispatcher;
+    /** @var string */
+    private $currentStep;
+
+    /**
+     * Creates a new repair step runner
+     *
+     * @param IRepairStep[] $repairSteps array of RepairStep instances
+     * @param EventDispatcher $dispatcher
+     */
+    public function __construct($repairSteps = [], EventDispatcher $dispatcher = null) {
+        $this->repairSteps = $repairSteps;
+        $this->dispatcher = $dispatcher;
+    }
+
+    /**
+     * Run a series of repair steps for common problems
+     */
+    public function run() {
+        if (count($this->repairSteps) === 0) {
+            $this->emit('\OC\Repair', 'info', array('No repair steps available'));
+            return;
+        }
+        // run each repair step
+        foreach ($this->repairSteps as $step) {
+            $this->currentStep = $step->getName();
+            $this->emit('\OC\Repair', 'step', [$this->currentStep]);
+            $step->run($this);
+        }
+    }
+
+    /**
+     * Add repair step
+     *
+     * @param IRepairStep|string $repairStep repair step
+     * @throws \Exception
+     */
+    public function addStep($repairStep) {
+        if (is_string($repairStep)) {
+            try {
+                $s = \OC::$server->query($repairStep);
+            } catch (QueryException $e) {
+                if (class_exists($repairStep)) {
+                    $s = new $repairStep();
+                } else {
+                    throw new \Exception("Repair step '$repairStep' is unknown");
+                }
+            }
+
+            if ($s instanceof IRepairStep) {
+                $this->repairSteps[] = $s;
+            } else {
+                throw new \Exception("Repair step '$repairStep' is not of type \\OCP\\Migration\\IRepairStep");
+            }
+        } else {
+            $this->repairSteps[] = $repairStep;
+        }
+    }
+
+    /**
+     * Returns the default repair steps to be run on the
+     * command line or after an upgrade.
+     *
+     * @return IRepairStep[]
+     */
+    public static function getRepairSteps() {
+        return [
+            new Collation(\OC::$server->getConfig(), \OC::$server->getLogger(), \OC::$server->getDatabaseConnection(), false),
+            new RepairMimeTypes(\OC::$server->getConfig()),
+            new CleanTags(\OC::$server->getDatabaseConnection(), \OC::$server->getUserManager()),
+            new RepairInvalidShares(\OC::$server->getConfig(), \OC::$server->getDatabaseConnection()),
+            new RemoveRootShares(\OC::$server->getDatabaseConnection(), \OC::$server->getUserManager(), \OC::$server->getLazyRootFolder()),
+            new MoveUpdaterStepFile(\OC::$server->getConfig()),
+            new MoveAvatars(
+                \OC::$server->getJobList(),
+                \OC::$server->getConfig()
+            ),
+            new CleanPreviews(
+                \OC::$server->getJobList(),
+                \OC::$server->getUserManager(),
+                \OC::$server->getConfig()
+            ),
+            new FixMountStorages(\OC::$server->getDatabaseConnection()),
+            new UpdateLanguageCodes(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig()),
+            new InstallCoreBundle(
+                \OC::$server->query(BundleFetcher::class),
+                \OC::$server->getConfig(),
+                \OC::$server->query(Installer::class)
+            ),
+            new RepairInvalidPaths(\OC::$server->getDatabaseConnection(), \OC::$server->getConfig()),
+            new RepairIdentityProofKeyFolders(\OC::$server->getConfig(), \OC::$server->query(Factory::class), \OC::$server->getRootFolder()),
+        ];
+    }
+
+    /**
+     * Returns expensive repair steps to be run on the
+     * command line with a special option.
+     *
+     * @return IRepairStep[]
+     */
+    public static function getExpensiveRepairSteps() {
+        return [
+            new OldGroupMembershipShares(\OC::$server->getDatabaseConnection(), \OC::$server->getGroupManager())
+        ];
+    }
+
+    /**
+     * Returns the repair steps to be run before an
+     * upgrade.
+     *
+     * @return IRepairStep[]
+     */
+    public static function getBeforeUpgradeRepairSteps() {
+        $connection = \OC::$server->getDatabaseConnection();
+        $config = \OC::$server->getConfig();
+        $steps = [
+            new Collation(\OC::$server->getConfig(), \OC::$server->getLogger(), $connection, true),
+            new SqliteAutoincrement($connection),
+            new SaveAccountsTableData($connection, $config),
+            new DropAccountTermsTable($connection),
+        ];
+
+        return $steps;
+    }
+
+    /**
+     * @param string $scope
+     * @param string $method
+     * @param array $arguments
+     */
+    public function emit($scope, $method, array $arguments = []) {
+        if (!is_null($this->dispatcher)) {
+            $this->dispatcher->dispatch("$scope::$method",
+                new GenericEvent("$scope::$method", $arguments));
+        }
+    }
+
+    public function info($string) {
+        // for now just emit as we did in the past
+        $this->emit('\OC\Repair', 'info', array($string));
+    }
+
+    /**
+     * @param string $message
+     */
+    public function warning($message) {
+        // for now just emit as we did in the past
+        $this->emit('\OC\Repair', 'warning', [$message]);
+    }
+
+    /**
+     * @param int $max
+     */
+    public function startProgress($max = 0) {
+        // for now just emit as we did in the past
+        $this->emit('\OC\Repair', 'startProgress', [$max, $this->currentStep]);
+    }
+
+    /**
+     * @param int $step
+     * @param string $description
+     */
+    public function advance($step = 1, $description = '') {
+        // for now just emit as we did in the past
+        $this->emit('\OC\Repair', 'advance', [$step, $description]);
+    }
+
+    /**
+     * @param int $max
+     */
+    public function finishProgress() {
+        // for now just emit as we did in the past
+        $this->emit('\OC\Repair', 'finishProgress', []);
+    }
 }