nextcloud / server

lib/public/Federation/ICloudFederationNotification.php

Indentation +19 added lines, -19 removed lines

@@ -30,24 +30,24 @@
  */
 interface ICloudFederationNotification {
 
-	/**
-	 * add a message to the notification
-	 *
-	 * @param string $notificationType (e.g. SHARE_ACCEPTED)
-	 * @param string $resourceType (e.g. file, calendar, contact,...)
-	 * @param $providerId id of the share
-	 * @param array $notification , payload of the notification
-	 *
-	 * @since 14.0.0
-	 */
-	public function setMessage($notificationType, $resourceType, $providerId, array $notification);
+    /**
+     * add a message to the notification
+     *
+     * @param string $notificationType (e.g. SHARE_ACCEPTED)
+     * @param string $resourceType (e.g. file, calendar, contact,...)
+     * @param $providerId id of the share
+     * @param array $notification , payload of the notification
+     *
+     * @since 14.0.0
+     */
+    public function setMessage($notificationType, $resourceType, $providerId, array $notification);
 
-	/**
-	 * get message, ready to send out
-	 *
-	 * @return array
-	 *
-	 * @since 14.0.0
-	 */
-	public function getMessage();
+    /**
+     * get message, ready to send out
+     *
+     * @return array
+     *
+     * @since 14.0.0
+     */
+    public function getMessage();
 }

lib/public/Federation/ICloudFederationShare.php

Indentation +216 added lines, -216 removed lines

@@ -30,221 +30,221 @@
  */
 interface ICloudFederationShare {
 
-	/**
-	 * set uid of the recipient
-	 *
-	 * @param string $user
-	 *
-	 * @since 14.0.0
-	 */
-	public function setShareWith($user);
-
-	/**
-	 * set resource name (e.g. file, calendar, contact,...)
-	 *
-	 * @param string $name
-	 *
-	 * @since 14.0.0
-	 */
-	public function setResourceName($name);
-
-	/**
-	 * set resource type (e.g. file, calendar, contact,...)
-	 *
-	 * @param string $resourceType
-	 *
-	 * @since 14.0.0
-	 */
-	public function setResourceType($resourceType);
-
-	/**
-	 * set resource description (optional)
-	 *
-	 * @param string $description
-	 *
-	 * @since 14.0.0
-	 */
-	public function setDescription($description);
-
-	/**
-	 * set provider ID (e.g. file ID)
-	 *
-	 * @param string $providerId
-	 *
-	 * @since 14.0.0
-	 */
-	public function setProviderId($providerId);
-
-	/**
-	 * set owner UID
-	 *
-	 * @param string $owner
-	 *
-	 * @since 14.0.0
-	 */
-	public function setOwner($owner);
-
-	/**
-	 * set owner display name
-	 *
-	 * @param string $ownerDisplayName
-	 *
-	 * @since 14.0.0
-	 */
-	public function setOwnerDisplayName($ownerDisplayName);
-
-	/**
-	 * set UID of the user who sends the share
-	 *
-	 * @param string $sharedBy
-	 *
-	 * @since 14.0.0
-	 */
-	public function setSharedBy($sharedBy);
-
-	/**
-	 * set display name of the user who sends the share
-	 *
-	 * @param $sharedByDisplayName
-	 *
-	 * @since 14.0.0
-	 */
-	public function setSharedByDisplayName($sharedByDisplayName);
-
-	/**
-	 * set protocol specification
-	 *
-	 * @param array $protocol
-	 *
-	 * @since 14.0.0
-	 */
-	public function setProtocol(array $protocol);
-
-	/**
-	 * share type (group or user)
-	 *
-	 * @param string $shareType
-	 *
-	 * @since 14.0.0
-	 */
-	public function setShareType($shareType);
-
-	/**
-	 * get the whole share, ready to send out
-	 *
-	 * @return array
-	 *
-	 * @since 14.0.0
-	 */
-	public function getShare();
-
-	/**
-	 * get uid of the recipient
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getShareWith();
-
-	/**
-	 * get resource name (e.g. file, calendar, contact,...)
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getResourceName();
-
-	/**
-	 * get resource type (e.g. file, calendar, contact,...)
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getResourceType();
-
-	/**
-	 * get resource description (optional)
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getDescription();
-
-	/**
-	 * get provider ID (e.g. file ID)
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getProviderId();
-
-	/**
-	 * get owner UID
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getOwner();
-
-	/**
-	 * get owner display name
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getOwnerDisplayName();
-
-	/**
-	 * get UID of the user who sends the share
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getSharedBy();
-
-	/**
-	 * get display name of the user who sends the share
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getSharedByDisplayName();
-
-	/**
-	 * get share type (group or user)
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getShareType();
-
-	/**
-	 * get share Secret
-	 *
-	 * @return string
-	 *
-	 * @since 14.0.0
-	 */
-	public function getShareSecret();
-
-
-	/**
-	 * get protocol specification
-	 *
-	 * @return array
-	 *
-	 * @since 14.0.0
-	 */
-	public function getProtocol();
+    /**
+     * set uid of the recipient
+     *
+     * @param string $user
+     *
+     * @since 14.0.0
+     */
+    public function setShareWith($user);
+
+    /**
+     * set resource name (e.g. file, calendar, contact,...)
+     *
+     * @param string $name
+     *
+     * @since 14.0.0
+     */
+    public function setResourceName($name);
+
+    /**
+     * set resource type (e.g. file, calendar, contact,...)
+     *
+     * @param string $resourceType
+     *
+     * @since 14.0.0
+     */
+    public function setResourceType($resourceType);
+
+    /**
+     * set resource description (optional)
+     *
+     * @param string $description
+     *
+     * @since 14.0.0
+     */
+    public function setDescription($description);
+
+    /**
+     * set provider ID (e.g. file ID)
+     *
+     * @param string $providerId
+     *
+     * @since 14.0.0
+     */
+    public function setProviderId($providerId);
+
+    /**
+     * set owner UID
+     *
+     * @param string $owner
+     *
+     * @since 14.0.0
+     */
+    public function setOwner($owner);
+
+    /**
+     * set owner display name
+     *
+     * @param string $ownerDisplayName
+     *
+     * @since 14.0.0
+     */
+    public function setOwnerDisplayName($ownerDisplayName);
+
+    /**
+     * set UID of the user who sends the share
+     *
+     * @param string $sharedBy
+     *
+     * @since 14.0.0
+     */
+    public function setSharedBy($sharedBy);
+
+    /**
+     * set display name of the user who sends the share
+     *
+     * @param $sharedByDisplayName
+     *
+     * @since 14.0.0
+     */
+    public function setSharedByDisplayName($sharedByDisplayName);
+
+    /**
+     * set protocol specification
+     *
+     * @param array $protocol
+     *
+     * @since 14.0.0
+     */
+    public function setProtocol(array $protocol);
+
+    /**
+     * share type (group or user)
+     *
+     * @param string $shareType
+     *
+     * @since 14.0.0
+     */
+    public function setShareType($shareType);
+
+    /**
+     * get the whole share, ready to send out
+     *
+     * @return array
+     *
+     * @since 14.0.0
+     */
+    public function getShare();
+
+    /**
+     * get uid of the recipient
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getShareWith();
+
+    /**
+     * get resource name (e.g. file, calendar, contact,...)
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getResourceName();
+
+    /**
+     * get resource type (e.g. file, calendar, contact,...)
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getResourceType();
+
+    /**
+     * get resource description (optional)
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getDescription();
+
+    /**
+     * get provider ID (e.g. file ID)
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getProviderId();
+
+    /**
+     * get owner UID
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getOwner();
+
+    /**
+     * get owner display name
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getOwnerDisplayName();
+
+    /**
+     * get UID of the user who sends the share
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getSharedBy();
+
+    /**
+     * get display name of the user who sends the share
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getSharedByDisplayName();
+
+    /**
+     * get share type (group or user)
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getShareType();
+
+    /**
+     * get share Secret
+     *
+     * @return string
+     *
+     * @since 14.0.0
+     */
+    public function getShareSecret();
+
+
+    /**
+     * get protocol specification
+     *
+     * @return array
+     *
+     * @since 14.0.0
+     */
+    public function getProtocol();
 
 }

lib/public/Federation/Exceptions/ProviderCouldNotAddShareException.php

Indentation +13 added lines, -13 removed lines

@@ -33,19 +33,19 @@
  */
 class ProviderCouldNotAddShareException extends HintException {
 
-	/**
-	 * ProviderCouldNotAddShareException constructor.
-	 *
-	 * @since 14.0.0
-	 *
-	 * @param string $message
-	 * @param string $hint
-	 * @param int $code
-	 * @param \Exception|null $previous
-	 */
-	public function __construct($message, $hint = '', $code = Http::STATUS_BAD_REQUEST, \Exception $previous = null) {
-		parent::__construct($message, $hint, $code, $previous);
-	}
+    /**
+     * ProviderCouldNotAddShareException constructor.
+     *
+     * @since 14.0.0
+     *
+     * @param string $message
+     * @param string $hint
+     * @param int $code
+     * @param \Exception|null $previous
+     */
+    public function __construct($message, $hint = '', $code = Http::STATUS_BAD_REQUEST, \Exception $previous = null) {
+        parent::__construct($message, $hint, $code, $previous);
+    }
 
 
 }

lib/public/Federation/ICloudFederationFactory.php

Indentation +28 added lines, -28 removed lines

@@ -30,33 +30,33 @@
  */
 interface ICloudFederationFactory {
 
-	/**
-	 * get a CloudFederationShare Object to prepare a share you want to send
-	 *
-	 * @param string $shareWith
-	 * @param string $name resource name (e.g. document.odt)
-	 * @param string $description share description (optional)
-	 * @param string $providerId resource UID on the provider side
-	 * @param string $owner provider specific UID of the user who owns the resource
-	 * @param string $ownerDisplayName display name of the user who shared the item
-	 * @param string $sharedBy provider specific UID of the user who shared the resource
-	 * @param string $sharedByDisplayName display name of the user who shared the resource
-	 * @param string $sharedSecret used to authenticate requests across servers
-	 * @param string $shareType ('group' or 'user' share)
-	 * @param $resourceType ('file', 'calendar',...)
-	 * @return ICloudFederationShare
-	 *
-	 * @since 14.0.0
-	 */
-	public function getCloudFederationShare($shareWith, $name, $description, $providerId, $owner, $ownerDisplayName, $sharedBy, $sharedByDisplayName, $sharedSecret, $shareType, $resourceType);
+    /**
+     * get a CloudFederationShare Object to prepare a share you want to send
+     *
+     * @param string $shareWith
+     * @param string $name resource name (e.g. document.odt)
+     * @param string $description share description (optional)
+     * @param string $providerId resource UID on the provider side
+     * @param string $owner provider specific UID of the user who owns the resource
+     * @param string $ownerDisplayName display name of the user who shared the item
+     * @param string $sharedBy provider specific UID of the user who shared the resource
+     * @param string $sharedByDisplayName display name of the user who shared the resource
+     * @param string $sharedSecret used to authenticate requests across servers
+     * @param string $shareType ('group' or 'user' share)
+     * @param $resourceType ('file', 'calendar',...)
+     * @return ICloudFederationShare
+     *
+     * @since 14.0.0
+     */
+    public function getCloudFederationShare($shareWith, $name, $description, $providerId, $owner, $ownerDisplayName, $sharedBy, $sharedByDisplayName, $sharedSecret, $shareType, $resourceType);
 
-	/**
-	 * get a Cloud FederationNotification object to prepare a notification you
-	 * want to send
-	 *
-	 * @return ICloudFederationNotification
-	 *
-	 * @since 14.0.0
-	 */
-	public function getCloudFederationNotification();
+    /**
+     * get a Cloud FederationNotification object to prepare a notification you
+     * want to send
+     *
+     * @return ICloudFederationNotification
+     *
+     * @since 14.0.0
+     */
+    public function getCloudFederationNotification();
 }

lib/public/Federation/Exceptions/AuthenticationFailedException.php

Indentation +12 added lines, -12 removed lines

@@ -32,17 +32,17 @@
  */
 class AuthenticationFailedException extends HintException {
 
-	/**
-	 * BadRequestException constructor.
-	 *
-	 * @since 14.0.0
-	 *
-	 */
-	public function __construct() {
-		$l = \OC::$server->getL10N('federation');
-		$message = 'Authentication failed, wrong token or provider ID given';
-		$hint = $l->t('Authentication failed, wrong token or provider ID given');
-		parent::__construct($message, $hint);
-	}
+    /**
+     * BadRequestException constructor.
+     *
+     * @since 14.0.0
+     *
+     */
+    public function __construct() {
+        $l = \OC::$server->getL10N('federation');
+        $message = 'Authentication failed, wrong token or provider ID given';
+        $hint = $l->t('Authentication failed, wrong token or provider ID given');
+        parent::__construct($message, $hint);
+    }
 
 }

lib/private/Share/Constants.php

Indentation +19 added lines, -19 removed lines

@@ -29,27 +29,27 @@
 
 class Constants {
 
-	const SHARE_TYPE_USER = 0;
-	const SHARE_TYPE_GROUP = 1;
-	const SHARE_TYPE_LINK = 3;
-	const SHARE_TYPE_EMAIL = 4;
-	const SHARE_TYPE_CONTACT = 5; // ToDo Check if it is still in use otherwise remove it
-	const SHARE_TYPE_REMOTE = 6;
-	const SHARE_TYPE_CIRCLE = 7;
-	const SHARE_TYPE_GUEST = 8;
-	const SHARE_TYPE_REMOTE_GROUP = 9;
+    const SHARE_TYPE_USER = 0;
+    const SHARE_TYPE_GROUP = 1;
+    const SHARE_TYPE_LINK = 3;
+    const SHARE_TYPE_EMAIL = 4;
+    const SHARE_TYPE_CONTACT = 5; // ToDo Check if it is still in use otherwise remove it
+    const SHARE_TYPE_REMOTE = 6;
+    const SHARE_TYPE_CIRCLE = 7;
+    const SHARE_TYPE_GUEST = 8;
+    const SHARE_TYPE_REMOTE_GROUP = 9;
 
-	const FORMAT_NONE = -1;
-	const FORMAT_STATUSES = -2;
-	const FORMAT_SOURCES = -3;  // ToDo Check if it is still in use otherwise remove it
+    const FORMAT_NONE = -1;
+    const FORMAT_STATUSES = -2;
+    const FORMAT_SOURCES = -3;  // ToDo Check if it is still in use otherwise remove it
 
-	const RESPONSE_FORMAT = 'json'; // default resonse format for ocs calls
+    const RESPONSE_FORMAT = 'json'; // default resonse format for ocs calls
 
-	const TOKEN_LENGTH = 15; // old (oc7) length is 32, keep token length in db at least that for compatibility
+    const TOKEN_LENGTH = 15; // old (oc7) length is 32, keep token length in db at least that for compatibility
 
-	protected static $shareTypeUserAndGroups = -1;
-	protected static $shareTypeGroupUserUnique = 2;
-	protected static $backends = array();
-	protected static $backendTypes = array();
-	protected static $isResharingAllowed;
+    protected static $shareTypeUserAndGroups = -1;
+    protected static $shareTypeGroupUserUnique = 2;
+    protected static $backends = array();
+    protected static $backendTypes = array();
+    protected static $isResharingAllowed;
 }

apps/cloud_federation_api/lib/Config.php

Indentation +21 added lines, -21 removed lines

@@ -35,26 +35,26 @@
  */
 class Config {
 
-	/** @var ICloudFederationProviderManager */
-	private $cloudFederationProviderManager;
-
-	public function __construct(ICloudFederationProviderManager $cloudFederationProviderManager) {
-		$this->cloudFederationProviderManager = $cloudFederationProviderManager;
-	}
-
-	/**
-	 * get a list of supported share types
-	 *
-	 * @param string $resourceType
-	 * @return array
-	 */
-	public function getSupportedShareTypes($resourceType) {
-		try {
-			$provider = $this->cloudFederationProviderManager->getCloudFederationProvider($resourceType);
-			return $provider->getSupportedShareTypes();
-		} catch (\Exception $e) {
-			return [];
-		}
-	}
+    /** @var ICloudFederationProviderManager */
+    private $cloudFederationProviderManager;
+
+    public function __construct(ICloudFederationProviderManager $cloudFederationProviderManager) {
+        $this->cloudFederationProviderManager = $cloudFederationProviderManager;
+    }
+
+    /**
+     * get a list of supported share types
+     *
+     * @param string $resourceType
+     * @return array
+     */
+    public function getSupportedShareTypes($resourceType) {
+        try {
+            $provider = $this->cloudFederationProviderManager->getCloudFederationProvider($resourceType);
+            return $provider->getSupportedShareTypes();
+        } catch (\Exception $e) {
+            return [];
+        }
+    }
 
 }

apps/files_sharing/lib/External/Storage.php

Doc Comments +1 added lines, -1 removed lines

@@ -407,7 +407,7 @@
 	/**
 	 * calculate default permissions in case no permissions are provided
 	 *
-	 * @param $path
+	 * @param string $path
 	 * @return int
 	 */
 	protected function getDefaultPermissions($path) {

Indentation +376 added lines, -376 removed lines

@@ -43,380 +43,380 @@
 use OCP\Files\StorageNotAvailableException;
 
 class Storage extends DAV implements ISharedStorage {
-	/** @var ICloudId */
-	private $cloudId;
-	/** @var string */
-	private $mountPoint;
-	/** @var string */
-	private $token;
-	/** @var \OCP\ICacheFactory */
-	private $memcacheFactory;
-	/** @var \OCP\Http\Client\IClientService */
-	private $httpClient;
-	/** @var bool */
-	private $updateChecked = false;
-
-	/**
-	 * @var \OCA\Files_Sharing\External\Manager
-	 */
-	private $manager;
-
-	public function __construct($options) {
-		$this->memcacheFactory = \OC::$server->getMemCacheFactory();
-		$this->httpClient = $options['HttpClientService'];
-
-		$this->manager = $options['manager'];
-		$this->cloudId = $options['cloudId'];
-		$discoveryService = \OC::$server->query(\OCP\OCS\IDiscoveryService::class);
-
-		list($protocol, $remote) = explode('://', $this->cloudId->getRemote());
-		if (strpos($remote, '/')) {
-			list($host, $root) = explode('/', $remote, 2);
-		} else {
-			$host = $remote;
-			$root = '';
-		}
-		$secure = $protocol === 'https';
-		$federatedSharingEndpoints = $discoveryService->discover($this->cloudId->getRemote(), 'FEDERATED_SHARING');
-		$webDavEndpoint = isset($federatedSharingEndpoints['webdav']) ? $federatedSharingEndpoints['webdav'] : '/public.php/webdav';
-		$root = rtrim($root, '/') . $webDavEndpoint;
-		$this->mountPoint = $options['mountpoint'];
-		$this->token = $options['token'];
-
-		parent::__construct(array(
-			'secure' => $secure,
-			'host' => $host,
-			'root' => $root,
-			'user' => $options['token'],
-			'password' => (string)$options['password']
-		));
-	}
-
-	public function getWatcher($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($this->watcher)) {
-			$this->watcher = new Watcher($storage);
-			$this->watcher->setPolicy(\OC\Files\Cache\Watcher::CHECK_ONCE);
-		}
-		return $this->watcher;
-	}
-
-	public function getRemoteUser() {
-		return $this->cloudId->getUser();
-	}
-
-	public function getRemote() {
-		return $this->cloudId->getRemote();
-	}
-
-	public function getMountPoint() {
-		return $this->mountPoint;
-	}
-
-	public function getToken() {
-		return $this->token;
-	}
-
-	public function getPassword() {
-		return $this->password;
-	}
-
-	/**
-	 * @brief get id of the mount point
-	 * @return string
-	 */
-	public function getId() {
-		return 'shared::' . md5($this->token . '@' . $this->getRemote());
-	}
-
-	public function getCache($path = '', $storage = null) {
-		if (is_null($this->cache)) {
-			$this->cache = new Cache($this, $this->cloudId);
-		}
-		return $this->cache;
-	}
-
-	/**
-	 * @param string $path
-	 * @param \OC\Files\Storage\Storage $storage
-	 * @return \OCA\Files_Sharing\External\Scanner
-	 */
-	public function getScanner($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this;
-		}
-		if (!isset($this->scanner)) {
-			$this->scanner = new Scanner($storage);
-		}
-		return $this->scanner;
-	}
-
-	/**
-	 * check if a file or folder has been updated since $time
-	 *
-	 * @param string $path
-	 * @param int $time
-	 * @throws \OCP\Files\StorageNotAvailableException
-	 * @throws \OCP\Files\StorageInvalidException
-	 * @return bool
-	 */
-	public function hasUpdated($path, $time) {
-		// since for owncloud webdav servers we can rely on etag propagation we only need to check the root of the storage
-		// because of that we only do one check for the entire storage per request
-		if ($this->updateChecked) {
-			return false;
-		}
-		$this->updateChecked = true;
-		try {
-			return parent::hasUpdated('', $time);
-		} catch (StorageInvalidException $e) {
-			// check if it needs to be removed
-			$this->checkStorageAvailability();
-			throw $e;
-		} catch (StorageNotAvailableException $e) {
-			// check if it needs to be removed or just temp unavailable
-			$this->checkStorageAvailability();
-			throw $e;
-		}
-	}
-
-	public function test() {
-		try {
-			return parent::test();
-		} catch (StorageInvalidException $e) {
-			// check if it needs to be removed
-			$this->checkStorageAvailability();
-			throw $e;
-		} catch (StorageNotAvailableException $e) {
-			// check if it needs to be removed or just temp unavailable
-			$this->checkStorageAvailability();
-			throw $e;
-		}
-	}
-
-	/**
-	 * Check whether this storage is permanently or temporarily
-	 * unavailable
-	 *
-	 * @throws \OCP\Files\StorageNotAvailableException
-	 * @throws \OCP\Files\StorageInvalidException
-	 */
-	public function checkStorageAvailability() {
-		// see if we can find out why the share is unavailable
-		try {
-			$this->getShareInfo();
-		} catch (NotFoundException $e) {
-			// a 404 can either mean that the share no longer exists or there is no Nextcloud on the remote
-			if ($this->testRemote()) {
-				// valid Nextcloud instance means that the public share no longer exists
-				// since this is permanent (re-sharing the file will create a new token)
-				// we remove the invalid storage
-				$this->manager->removeShare($this->mountPoint);
-				$this->manager->getMountManager()->removeMount($this->mountPoint);
-				throw new StorageInvalidException();
-			} else {
-				// Nextcloud instance is gone, likely to be a temporary server configuration error
-				throw new StorageNotAvailableException();
-			}
-		} catch (ForbiddenException $e) {
-			// auth error, remove share for now (provide a dialog in the future)
-			$this->manager->removeShare($this->mountPoint);
-			$this->manager->getMountManager()->removeMount($this->mountPoint);
-			throw new StorageInvalidException();
-		} catch (\GuzzleHttp\Exception\ConnectException $e) {
-			throw new StorageNotAvailableException();
-		} catch (\GuzzleHttp\Exception\RequestException $e) {
-			throw new StorageNotAvailableException();
-		} catch (\Exception $e) {
-			throw $e;
-		}
-	}
-
-	public function file_exists($path) {
-		if ($path === '') {
-			return true;
-		} else {
-			return parent::file_exists($path);
-		}
-	}
-
-	/**
-	 * check if the configured remote is a valid federated share provider
-	 *
-	 * @return bool
-	 */
-	protected function testRemote() {
-		try {
-			return $this->testRemoteUrl($this->getRemote() . '/ocs-provider/index.php')
-				|| $this->testRemoteUrl($this->getRemote() . '/ocs-provider/')
-				|| $this->testRemoteUrl($this->getRemote() . '/status.php');
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * @param string $url
-	 * @return bool
-	 */
-	private function testRemoteUrl($url) {
-		$cache = $this->memcacheFactory->createDistributed('files_sharing_remote_url');
-		if($cache->hasKey($url)) {
-			return (bool)$cache->get($url);
-		}
-
-		$client = $this->httpClient->newClient();
-		try {
-			$result = $client->get($url, [
-				'timeout' => 10,
-				'connect_timeout' => 10,
-			])->getBody();
-			$data = json_decode($result);
-			$returnValue = (is_object($data) && !empty($data->version));
-		} catch (ConnectException $e) {
-			$returnValue = false;
-		} catch (ClientException $e) {
-			$returnValue = false;
-		}
-
-		$cache->set($url, $returnValue, 60*60*24);
-		return $returnValue;
-	}
-
-	/**
-	 * Whether the remote is an ownCloud/Nextcloud, used since some sharing features are not
-	 * standardized. Let's use this to detect whether to use it.
-	 *
-	 * @return bool
-	 */
-	public function remoteIsOwnCloud() {
-		if(defined('PHPUNIT_RUN') || !$this->testRemoteUrl($this->getRemote() . '/status.php')) {
-			return false;
-		}
-		return true;
-	}
-
-	/**
-	 * @return mixed
-	 * @throws ForbiddenException
-	 * @throws NotFoundException
-	 * @throws \Exception
-	 */
-	public function getShareInfo() {
-		$remote = $this->getRemote();
-		$token = $this->getToken();
-		$password = $this->getPassword();
-
-		// If remote is not an ownCloud do not try to get any share info
-		if(!$this->remoteIsOwnCloud()) {
-			return ['status' => 'unsupported'];
-		}
-
-		$url = rtrim($remote, '/') . '/index.php/apps/files_sharing/shareinfo?t=' . $token;
-
-		// TODO: DI
-		$client = \OC::$server->getHTTPClientService()->newClient();
-		try {
-			$response = $client->post($url, [
-				'body' => ['password' => $password],
-				'timeout' => 10,
-				'connect_timeout' => 10,
-			]);
-		} catch (\GuzzleHttp\Exception\RequestException $e) {
-			if ($e->getCode() === Http::STATUS_UNAUTHORIZED || $e->getCode() === Http::STATUS_FORBIDDEN) {
-				throw new ForbiddenException();
-			}
-			if ($e->getCode() === Http::STATUS_NOT_FOUND) {
-				throw new NotFoundException();
-			}
-			// throw this to be on the safe side: the share will still be visible
-			// in the UI in case the failure is intermittent, and the user will
-			// be able to decide whether to remove it if it's really gone
-			throw new StorageNotAvailableException();
-		}
-
-		return json_decode($response->getBody(), true);
-	}
-
-	public function getOwner($path) {
-		return $this->cloudId->getDisplayId();
-	}
-
-	public function isSharable($path) {
-		if (\OCP\Util::isSharingDisabledForUser() || !\OC\Share\Share::isResharingAllowed()) {
-			return false;
-		}
-		return ($this->getPermissions($path) & Constants::PERMISSION_SHARE);
-	}
-
-	public function getPermissions($path) {
-		$response = $this->propfind($path);
-		// old federated sharing permissions
-		if (isset($response['{http://open-collaboration-services.org/ns}share-permissions'])) {
-			$permissions = $response['{http://open-collaboration-services.org/ns}share-permissions'];
-		} else if (isset($response['{http://open-cloud-mesh.org/ns}share-permissions'])) {
-			// permissions provided by the OCM API
-			$permissions = $this->ocmPermissions2ncPermissions($response['{http://open-collaboration-services.org/ns}share-permissions']);
-		} else {
-			// use default permission if remote server doesn't provide the share permissions
-			$permissions = $this->getDefaultPermissions($path);
-		}
-
-		return $permissions;
-	}
-
-	public function needsPartFile() {
-		return false;
-	}
-
-	/**
-	 * translate OCM Permissions to Nextcloud permissions
-	 *
-	 * @param string $ocmPermissions json encoded OCM permissions
-	 * @param string $path path to file
-	 * @return int
-	 */
-	protected function ocmPermissions2ncPermissions($ocmPermissions, $path) {
-		try {
-			$ocmPermissions = json_decode($ocmPermissions);
-			$ncPermissions = 0;
-			foreach($ocmPermissions as $permission) {
-				switch (strtolower($permission)) {
-					case 'read':
-						$ncPermissions += Constants::PERMISSION_READ;
-						break;
-					case 'write':
-						$ncPermissions += Constants::PERMISSION_CREATE + Constants::PERMISSION_UPDATE;
-						break;
-					case 'share':
-						$ncPermissions += Constants::PERMISSION_SHARE;
-						break;
-					default:
-						throw new \Exception();
-				}
-			}
-		} catch (\Exception $e) {
-			$ncPermissions = $this->getDefaultPermissions($path);
-		}
-
-		return $ncPermissions;
-	}
-
-	/**
-	 * calculate default permissions in case no permissions are provided
-	 *
-	 * @param $path
-	 * @return int
-	 */
-	protected function getDefaultPermissions($path) {
-		if ($this->is_dir($path)) {
-			$permissions = Constants::PERMISSION_ALL;
-		} else {
-			$permissions = Constants::PERMISSION_ALL & ~Constants::PERMISSION_CREATE;
-		}
-
-		return $permissions;
-	}
+    /** @var ICloudId */
+    private $cloudId;
+    /** @var string */
+    private $mountPoint;
+    /** @var string */
+    private $token;
+    /** @var \OCP\ICacheFactory */
+    private $memcacheFactory;
+    /** @var \OCP\Http\Client\IClientService */
+    private $httpClient;
+    /** @var bool */
+    private $updateChecked = false;
+
+    /**
+     * @var \OCA\Files_Sharing\External\Manager
+     */
+    private $manager;
+
+    public function __construct($options) {
+        $this->memcacheFactory = \OC::$server->getMemCacheFactory();
+        $this->httpClient = $options['HttpClientService'];
+
+        $this->manager = $options['manager'];
+        $this->cloudId = $options['cloudId'];
+        $discoveryService = \OC::$server->query(\OCP\OCS\IDiscoveryService::class);
+
+        list($protocol, $remote) = explode('://', $this->cloudId->getRemote());
+        if (strpos($remote, '/')) {
+            list($host, $root) = explode('/', $remote, 2);
+        } else {
+            $host = $remote;
+            $root = '';
+        }
+        $secure = $protocol === 'https';
+        $federatedSharingEndpoints = $discoveryService->discover($this->cloudId->getRemote(), 'FEDERATED_SHARING');
+        $webDavEndpoint = isset($federatedSharingEndpoints['webdav']) ? $federatedSharingEndpoints['webdav'] : '/public.php/webdav';
+        $root = rtrim($root, '/') . $webDavEndpoint;
+        $this->mountPoint = $options['mountpoint'];
+        $this->token = $options['token'];
+
+        parent::__construct(array(
+            'secure' => $secure,
+            'host' => $host,
+            'root' => $root,
+            'user' => $options['token'],
+            'password' => (string)$options['password']
+        ));
+    }
+
+    public function getWatcher($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($this->watcher)) {
+            $this->watcher = new Watcher($storage);
+            $this->watcher->setPolicy(\OC\Files\Cache\Watcher::CHECK_ONCE);
+        }
+        return $this->watcher;
+    }
+
+    public function getRemoteUser() {
+        return $this->cloudId->getUser();
+    }
+
+    public function getRemote() {
+        return $this->cloudId->getRemote();
+    }
+
+    public function getMountPoint() {
+        return $this->mountPoint;
+    }
+
+    public function getToken() {
+        return $this->token;
+    }
+
+    public function getPassword() {
+        return $this->password;
+    }
+
+    /**
+     * @brief get id of the mount point
+     * @return string
+     */
+    public function getId() {
+        return 'shared::' . md5($this->token . '@' . $this->getRemote());
+    }
+
+    public function getCache($path = '', $storage = null) {
+        if (is_null($this->cache)) {
+            $this->cache = new Cache($this, $this->cloudId);
+        }
+        return $this->cache;
+    }
+
+    /**
+     * @param string $path
+     * @param \OC\Files\Storage\Storage $storage
+     * @return \OCA\Files_Sharing\External\Scanner
+     */
+    public function getScanner($path = '', $storage = null) {
+        if (!$storage) {
+            $storage = $this;
+        }
+        if (!isset($this->scanner)) {
+            $this->scanner = new Scanner($storage);
+        }
+        return $this->scanner;
+    }
+
+    /**
+     * check if a file or folder has been updated since $time
+     *
+     * @param string $path
+     * @param int $time
+     * @throws \OCP\Files\StorageNotAvailableException
+     * @throws \OCP\Files\StorageInvalidException
+     * @return bool
+     */
+    public function hasUpdated($path, $time) {
+        // since for owncloud webdav servers we can rely on etag propagation we only need to check the root of the storage
+        // because of that we only do one check for the entire storage per request
+        if ($this->updateChecked) {
+            return false;
+        }
+        $this->updateChecked = true;
+        try {
+            return parent::hasUpdated('', $time);
+        } catch (StorageInvalidException $e) {
+            // check if it needs to be removed
+            $this->checkStorageAvailability();
+            throw $e;
+        } catch (StorageNotAvailableException $e) {
+            // check if it needs to be removed or just temp unavailable
+            $this->checkStorageAvailability();
+            throw $e;
+        }
+    }
+
+    public function test() {
+        try {
+            return parent::test();
+        } catch (StorageInvalidException $e) {
+            // check if it needs to be removed
+            $this->checkStorageAvailability();
+            throw $e;
+        } catch (StorageNotAvailableException $e) {
+            // check if it needs to be removed or just temp unavailable
+            $this->checkStorageAvailability();
+            throw $e;
+        }
+    }
+
+    /**
+     * Check whether this storage is permanently or temporarily
+     * unavailable
+     *
+     * @throws \OCP\Files\StorageNotAvailableException
+     * @throws \OCP\Files\StorageInvalidException
+     */
+    public function checkStorageAvailability() {
+        // see if we can find out why the share is unavailable
+        try {
+            $this->getShareInfo();
+        } catch (NotFoundException $e) {
+            // a 404 can either mean that the share no longer exists or there is no Nextcloud on the remote
+            if ($this->testRemote()) {
+                // valid Nextcloud instance means that the public share no longer exists
+                // since this is permanent (re-sharing the file will create a new token)
+                // we remove the invalid storage
+                $this->manager->removeShare($this->mountPoint);
+                $this->manager->getMountManager()->removeMount($this->mountPoint);
+                throw new StorageInvalidException();
+            } else {
+                // Nextcloud instance is gone, likely to be a temporary server configuration error
+                throw new StorageNotAvailableException();
+            }
+        } catch (ForbiddenException $e) {
+            // auth error, remove share for now (provide a dialog in the future)
+            $this->manager->removeShare($this->mountPoint);
+            $this->manager->getMountManager()->removeMount($this->mountPoint);
+            throw new StorageInvalidException();
+        } catch (\GuzzleHttp\Exception\ConnectException $e) {
+            throw new StorageNotAvailableException();
+        } catch (\GuzzleHttp\Exception\RequestException $e) {
+            throw new StorageNotAvailableException();
+        } catch (\Exception $e) {
+            throw $e;
+        }
+    }
+
+    public function file_exists($path) {
+        if ($path === '') {
+            return true;
+        } else {
+            return parent::file_exists($path);
+        }
+    }
+
+    /**
+     * check if the configured remote is a valid federated share provider
+     *
+     * @return bool
+     */
+    protected function testRemote() {
+        try {
+            return $this->testRemoteUrl($this->getRemote() . '/ocs-provider/index.php')
+                || $this->testRemoteUrl($this->getRemote() . '/ocs-provider/')
+                || $this->testRemoteUrl($this->getRemote() . '/status.php');
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * @param string $url
+     * @return bool
+     */
+    private function testRemoteUrl($url) {
+        $cache = $this->memcacheFactory->createDistributed('files_sharing_remote_url');
+        if($cache->hasKey($url)) {
+            return (bool)$cache->get($url);
+        }
+
+        $client = $this->httpClient->newClient();
+        try {
+            $result = $client->get($url, [
+                'timeout' => 10,
+                'connect_timeout' => 10,
+            ])->getBody();
+            $data = json_decode($result);
+            $returnValue = (is_object($data) && !empty($data->version));
+        } catch (ConnectException $e) {
+            $returnValue = false;
+        } catch (ClientException $e) {
+            $returnValue = false;
+        }
+
+        $cache->set($url, $returnValue, 60*60*24);
+        return $returnValue;
+    }
+
+    /**
+     * Whether the remote is an ownCloud/Nextcloud, used since some sharing features are not
+     * standardized. Let's use this to detect whether to use it.
+     *
+     * @return bool
+     */
+    public function remoteIsOwnCloud() {
+        if(defined('PHPUNIT_RUN') || !$this->testRemoteUrl($this->getRemote() . '/status.php')) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * @return mixed
+     * @throws ForbiddenException
+     * @throws NotFoundException
+     * @throws \Exception
+     */
+    public function getShareInfo() {
+        $remote = $this->getRemote();
+        $token = $this->getToken();
+        $password = $this->getPassword();
+
+        // If remote is not an ownCloud do not try to get any share info
+        if(!$this->remoteIsOwnCloud()) {
+            return ['status' => 'unsupported'];
+        }
+
+        $url = rtrim($remote, '/') . '/index.php/apps/files_sharing/shareinfo?t=' . $token;
+
+        // TODO: DI
+        $client = \OC::$server->getHTTPClientService()->newClient();
+        try {
+            $response = $client->post($url, [
+                'body' => ['password' => $password],
+                'timeout' => 10,
+                'connect_timeout' => 10,
+            ]);
+        } catch (\GuzzleHttp\Exception\RequestException $e) {
+            if ($e->getCode() === Http::STATUS_UNAUTHORIZED || $e->getCode() === Http::STATUS_FORBIDDEN) {
+                throw new ForbiddenException();
+            }
+            if ($e->getCode() === Http::STATUS_NOT_FOUND) {
+                throw new NotFoundException();
+            }
+            // throw this to be on the safe side: the share will still be visible
+            // in the UI in case the failure is intermittent, and the user will
+            // be able to decide whether to remove it if it's really gone
+            throw new StorageNotAvailableException();
+        }
+
+        return json_decode($response->getBody(), true);
+    }
+
+    public function getOwner($path) {
+        return $this->cloudId->getDisplayId();
+    }
+
+    public function isSharable($path) {
+        if (\OCP\Util::isSharingDisabledForUser() || !\OC\Share\Share::isResharingAllowed()) {
+            return false;
+        }
+        return ($this->getPermissions($path) & Constants::PERMISSION_SHARE);
+    }
+
+    public function getPermissions($path) {
+        $response = $this->propfind($path);
+        // old federated sharing permissions
+        if (isset($response['{http://open-collaboration-services.org/ns}share-permissions'])) {
+            $permissions = $response['{http://open-collaboration-services.org/ns}share-permissions'];
+        } else if (isset($response['{http://open-cloud-mesh.org/ns}share-permissions'])) {
+            // permissions provided by the OCM API
+            $permissions = $this->ocmPermissions2ncPermissions($response['{http://open-collaboration-services.org/ns}share-permissions']);
+        } else {
+            // use default permission if remote server doesn't provide the share permissions
+            $permissions = $this->getDefaultPermissions($path);
+        }
+
+        return $permissions;
+    }
+
+    public function needsPartFile() {
+        return false;
+    }
+
+    /**
+     * translate OCM Permissions to Nextcloud permissions
+     *
+     * @param string $ocmPermissions json encoded OCM permissions
+     * @param string $path path to file
+     * @return int
+     */
+    protected function ocmPermissions2ncPermissions($ocmPermissions, $path) {
+        try {
+            $ocmPermissions = json_decode($ocmPermissions);
+            $ncPermissions = 0;
+            foreach($ocmPermissions as $permission) {
+                switch (strtolower($permission)) {
+                    case 'read':
+                        $ncPermissions += Constants::PERMISSION_READ;
+                        break;
+                    case 'write':
+                        $ncPermissions += Constants::PERMISSION_CREATE + Constants::PERMISSION_UPDATE;
+                        break;
+                    case 'share':
+                        $ncPermissions += Constants::PERMISSION_SHARE;
+                        break;
+                    default:
+                        throw new \Exception();
+                }
+            }
+        } catch (\Exception $e) {
+            $ncPermissions = $this->getDefaultPermissions($path);
+        }
+
+        return $ncPermissions;
+    }
+
+    /**
+     * calculate default permissions in case no permissions are provided
+     *
+     * @param $path
+     * @return int
+     */
+    protected function getDefaultPermissions($path) {
+        if ($this->is_dir($path)) {
+            $permissions = Constants::PERMISSION_ALL;
+        } else {
+            $permissions = Constants::PERMISSION_ALL & ~Constants::PERMISSION_CREATE;
+        }
+
+        return $permissions;
+    }
 }

Spacing +13 added lines, -13 removed lines

@@ -79,7 +79,7 @@ 
 		$secure = $protocol === 'https';
 		$federatedSharingEndpoints = $discoveryService->discover($this->cloudId->getRemote(), 'FEDERATED_SHARING');
 		$webDavEndpoint = isset($federatedSharingEndpoints['webdav']) ? $federatedSharingEndpoints['webdav'] : '/public.php/webdav';
-		$root = rtrim($root, '/') . $webDavEndpoint;
+		$root = rtrim($root, '/').$webDavEndpoint;
 		$this->mountPoint = $options['mountpoint'];
 		$this->token = $options['token'];
 
@@ -88,7 +88,7 @@ 
 			'host' => $host,
 			'root' => $root,
 			'user' => $options['token'],
-			'password' => (string)$options['password']
+			'password' => (string) $options['password']
 		));
 	}
 
@@ -128,7 +128,7 @@ 
 	 * @return string
 	 */
 	public function getId() {
-		return 'shared::' . md5($this->token . '@' . $this->getRemote());
+		return 'shared::'.md5($this->token.'@'.$this->getRemote());
 	}
 
 	public function getCache($path = '', $storage = null) {
@@ -249,9 +249,9 @@ 
 	 */
 	protected function testRemote() {
 		try {
-			return $this->testRemoteUrl($this->getRemote() . '/ocs-provider/index.php')
-				|| $this->testRemoteUrl($this->getRemote() . '/ocs-provider/')
-				|| $this->testRemoteUrl($this->getRemote() . '/status.php');
+			return $this->testRemoteUrl($this->getRemote().'/ocs-provider/index.php')
+				|| $this->testRemoteUrl($this->getRemote().'/ocs-provider/')
+				|| $this->testRemoteUrl($this->getRemote().'/status.php');
 		} catch (\Exception $e) {
 			return false;
 		}
@@ -263,8 +263,8 @@ 
 	 */
 	private function testRemoteUrl($url) {
 		$cache = $this->memcacheFactory->createDistributed('files_sharing_remote_url');
-		if($cache->hasKey($url)) {
-			return (bool)$cache->get($url);
+		if ($cache->hasKey($url)) {
+			return (bool) $cache->get($url);
 		}
 
 		$client = $this->httpClient->newClient();
@@ -281,7 +281,7 @@ 
 			$returnValue = false;
 		}
 
-		$cache->set($url, $returnValue, 60*60*24);
+		$cache->set($url, $returnValue, 60 * 60 * 24);
 		return $returnValue;
 	}
 
@@ -292,7 +292,7 @@ 
 	 * @return bool
 	 */
 	public function remoteIsOwnCloud() {
-		if(defined('PHPUNIT_RUN') || !$this->testRemoteUrl($this->getRemote() . '/status.php')) {
+		if (defined('PHPUNIT_RUN') || !$this->testRemoteUrl($this->getRemote().'/status.php')) {
 			return false;
 		}
 		return true;
@@ -310,11 +310,11 @@ 
 		$password = $this->getPassword();
 
 		// If remote is not an ownCloud do not try to get any share info
-		if(!$this->remoteIsOwnCloud()) {
+		if (!$this->remoteIsOwnCloud()) {
 			return ['status' => 'unsupported'];
 		}
 
-		$url = rtrim($remote, '/') . '/index.php/apps/files_sharing/shareinfo?t=' . $token;
+		$url = rtrim($remote, '/').'/index.php/apps/files_sharing/shareinfo?t='.$token;
 
 		// TODO: DI
 		$client = \OC::$server->getHTTPClientService()->newClient();
@@ -382,7 +382,7 @@ 
 		try {
 			$ocmPermissions = json_decode($ocmPermissions);
 			$ncPermissions = 0;
-			foreach($ocmPermissions as $permission) {
+			foreach ($ocmPermissions as $permission) {
 				switch (strtolower($permission)) {
 					case 'read':
 						$ncPermissions += Constants::PERMISSION_READ;

apps/dav/lib/Connector/Sabre/FilesPlugin.php

Doc Comments +1 added lines, -1 removed lines

@@ -450,7 +450,7 @@
 	/**
 	 * translate Nextcloud permissions to OCM Permissions
 	 *
-	 * @param $ncPermissions
+	 * @param integer $ncPermissions
 	 * @return array
 	 */
 	protected function ncPermissions2ocmPermissions($ncPermissions) {

Indentation +436 added lines, -436 removed lines

@@ -50,444 +50,444 @@
 
 class FilesPlugin extends ServerPlugin {
 
-	// namespace
-	const NS_OWNCLOUD = 'http://owncloud.org/ns';
-	const NS_NEXTCLOUD = 'http://nextcloud.org/ns';
-	const FILEID_PROPERTYNAME = '{http://owncloud.org/ns}id';
-	const INTERNAL_FILEID_PROPERTYNAME = '{http://owncloud.org/ns}fileid';
-	const PERMISSIONS_PROPERTYNAME = '{http://owncloud.org/ns}permissions';
-	const SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-collaboration-services.org/ns}share-permissions';
-	const OCM_SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-cloud-mesh.org/ns}share-permissions';
-	const DOWNLOADURL_PROPERTYNAME = '{http://owncloud.org/ns}downloadURL';
-	const SIZE_PROPERTYNAME = '{http://owncloud.org/ns}size';
-	const GETETAG_PROPERTYNAME = '{DAV:}getetag';
-	const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
-	const OWNER_ID_PROPERTYNAME = '{http://owncloud.org/ns}owner-id';
-	const OWNER_DISPLAY_NAME_PROPERTYNAME = '{http://owncloud.org/ns}owner-display-name';
-	const CHECKSUMS_PROPERTYNAME = '{http://owncloud.org/ns}checksums';
-	const DATA_FINGERPRINT_PROPERTYNAME = '{http://owncloud.org/ns}data-fingerprint';
-	const HAS_PREVIEW_PROPERTYNAME = '{http://nextcloud.org/ns}has-preview';
-	const MOUNT_TYPE_PROPERTYNAME = '{http://nextcloud.org/ns}mount-type';
-	const IS_ENCRYPTED_PROPERTYNAME = '{http://nextcloud.org/ns}is-encrypted';
-
-	/**
-	 * Reference to main server object
-	 *
-	 * @var \Sabre\DAV\Server
-	 */
-	private $server;
-
-	/**
-	 * @var Tree
-	 */
-	private $tree;
-
-	/**
-	 * Whether this is public webdav.
-	 * If true, some returned information will be stripped off.
-	 *
-	 * @var bool
-	 */
-	private $isPublic;
-
-	/**
-	 * @var bool
-	 */
-	private $downloadAttachment;
-
-	/**
-	 * @var IConfig
-	 */
-	private $config;
-
-	/**
-	 * @var IRequest
-	 */
-	private $request;
-
-	/**
-	 * @var IPreview
-	 */
-	private $previewManager;
-
-	/**
-	 * @param Tree $tree
-	 * @param IConfig $config
-	 * @param IRequest $request
-	 * @param IPreview $previewManager
-	 * @param bool $isPublic
-	 * @param bool $downloadAttachment
-	 */
-	public function __construct(Tree $tree,
-								IConfig $config,
-								IRequest $request,
-								IPreview $previewManager,
-								$isPublic = false,
-								$downloadAttachment = true) {
-		$this->tree = $tree;
-		$this->config = $config;
-		$this->request = $request;
-		$this->isPublic = $isPublic;
-		$this->downloadAttachment = $downloadAttachment;
-		$this->previewManager = $previewManager;
-	}
-
-	/**
-	 * This initializes the plugin.
-	 *
-	 * This function is called by \Sabre\DAV\Server, after
-	 * addPlugin is called.
-	 *
-	 * This method should set up the required event subscriptions.
-	 *
-	 * @param \Sabre\DAV\Server $server
-	 * @return void
-	 */
-	public function initialize(\Sabre\DAV\Server $server) {
-		$server->xml->namespaceMap[self::NS_OWNCLOUD] = 'oc';
-		$server->xml->namespaceMap[self::NS_NEXTCLOUD] = 'nc';
-		$server->protectedProperties[] = self::FILEID_PROPERTYNAME;
-		$server->protectedProperties[] = self::INTERNAL_FILEID_PROPERTYNAME;
-		$server->protectedProperties[] = self::PERMISSIONS_PROPERTYNAME;
-		$server->protectedProperties[] = self::SHARE_PERMISSIONS_PROPERTYNAME;
-		$server->protectedProperties[] = self::OCM_SHARE_PERMISSIONS_PROPERTYNAME;
-		$server->protectedProperties[] = self::SIZE_PROPERTYNAME;
-		$server->protectedProperties[] = self::DOWNLOADURL_PROPERTYNAME;
-		$server->protectedProperties[] = self::OWNER_ID_PROPERTYNAME;
-		$server->protectedProperties[] = self::OWNER_DISPLAY_NAME_PROPERTYNAME;
-		$server->protectedProperties[] = self::CHECKSUMS_PROPERTYNAME;
-		$server->protectedProperties[] = self::DATA_FINGERPRINT_PROPERTYNAME;
-		$server->protectedProperties[] = self::HAS_PREVIEW_PROPERTYNAME;
-		$server->protectedProperties[] = self::MOUNT_TYPE_PROPERTYNAME;
-		$server->protectedProperties[] = self::IS_ENCRYPTED_PROPERTYNAME;
-
-		// normally these cannot be changed (RFC4918), but we want them modifiable through PROPPATCH
-		$allowedProperties = ['{DAV:}getetag'];
-		$server->protectedProperties = array_diff($server->protectedProperties, $allowedProperties);
-
-		$this->server = $server;
-		$this->server->on('propFind', array($this, 'handleGetProperties'));
-		$this->server->on('propPatch', array($this, 'handleUpdateProperties'));
-		$this->server->on('afterBind', array($this, 'sendFileIdHeader'));
-		$this->server->on('afterWriteContent', array($this, 'sendFileIdHeader'));
-		$this->server->on('afterMethod:GET', [$this,'httpGet']);
-		$this->server->on('afterMethod:GET', array($this, 'handleDownloadToken'));
-		$this->server->on('afterResponse', function($request, ResponseInterface $response) {
-			$body = $response->getBody();
-			if (is_resource($body)) {
-				fclose($body);
-			}
-		});
-		$this->server->on('beforeMove', [$this, 'checkMove']);
-	}
-
-	/**
-	 * Plugin that checks if a move can actually be performed.
-	 *
-	 * @param string $source source path
-	 * @param string $destination destination path
-	 * @throws Forbidden
-	 * @throws NotFound
-	 */
-	function checkMove($source, $destination) {
-		$sourceNode = $this->tree->getNodeForPath($source);
-		if (!$sourceNode instanceof Node) {
-			return;
-		}
-		list($sourceDir,) = \Sabre\Uri\split($source);
-		list($destinationDir,) = \Sabre\Uri\split($destination);
-
-		if ($sourceDir !== $destinationDir) {
-			$sourceNodeFileInfo = $sourceNode->getFileInfo();
-			if ($sourceNodeFileInfo === null) {
-				throw new NotFound($source . ' does not exist');
- 			}
-
-			if (!$sourceNodeFileInfo->isDeletable()) {
-				throw new Forbidden($source . " cannot be deleted");
-			}
-		}
-	}
-
-	/**
-	 * This sets a cookie to be able to recognize the start of the download
-	 * the content must not be longer than 32 characters and must only contain
-	 * alphanumeric characters
-	 *
-	 * @param RequestInterface $request
-	 * @param ResponseInterface $response
-	 */
-	function handleDownloadToken(RequestInterface $request, ResponseInterface $response) {
-		$queryParams = $request->getQueryParameters();
-
-		/**
-		 * this sets a cookie to be able to recognize the start of the download
-		 * the content must not be longer than 32 characters and must only contain
-		 * alphanumeric characters
-		 */
-		if (isset($queryParams['downloadStartSecret'])) {
-			$token = $queryParams['downloadStartSecret'];
-			if (!isset($token[32])
-				&& preg_match('!^[a-zA-Z0-9]+$!', $token) === 1) {
-				// FIXME: use $response->setHeader() instead
-				setcookie('ocDownloadStarted', $token, time() + 20, '/');
-			}
-		}
-	}
-
-	/**
-	 * Add headers to file download
-	 *
-	 * @param RequestInterface $request
-	 * @param ResponseInterface $response
-	 */
-	function httpGet(RequestInterface $request, ResponseInterface $response) {
-		// Only handle valid files
-		$node = $this->tree->getNodeForPath($request->getPath());
-		if (!($node instanceof IFile)) return;
-
-		// adds a 'Content-Disposition: attachment' header in case no disposition
-		// header has been set before
-		if ($this->downloadAttachment &&
-			$response->getHeader('Content-Disposition') === null) {
-			$filename = $node->getName();
-			if ($this->request->isUserAgent(
-				[
-					Request::USER_AGENT_IE,
-					Request::USER_AGENT_ANDROID_MOBILE_CHROME,
-					Request::USER_AGENT_FREEBOX,
-				])) {
-				$response->addHeader('Content-Disposition', 'attachment; filename="' . rawurlencode($filename) . '"');
-			} else {
-				$response->addHeader('Content-Disposition', 'attachment; filename*=UTF-8\'\'' . rawurlencode($filename)
-													 . '; filename="' . rawurlencode($filename) . '"');
-			}
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
-			//Add OC-Checksum header
-			/** @var $node File */
-			$checksum = $node->getChecksum();
-			if ($checksum !== null && $checksum !== '') {
-				$response->addHeader('OC-Checksum', $checksum);
-			}
-		}
-	}
-
-	/**
-	 * Adds all ownCloud-specific properties
-	 *
-	 * @param PropFind $propFind
-	 * @param \Sabre\DAV\INode $node
-	 * @return void
-	 */
-	public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node) {
-
-		$httpRequest = $this->server->httpRequest;
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
-			/**
-			 * This was disabled, because it made dir listing throw an exception,
-			 * so users were unable to navigate into folders where one subitem
-			 * is blocked by the files_accesscontrol app, see:
-			 * https://github.com/nextcloud/files_accesscontrol/issues/65
+    // namespace
+    const NS_OWNCLOUD = 'http://owncloud.org/ns';
+    const NS_NEXTCLOUD = 'http://nextcloud.org/ns';
+    const FILEID_PROPERTYNAME = '{http://owncloud.org/ns}id';
+    const INTERNAL_FILEID_PROPERTYNAME = '{http://owncloud.org/ns}fileid';
+    const PERMISSIONS_PROPERTYNAME = '{http://owncloud.org/ns}permissions';
+    const SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-collaboration-services.org/ns}share-permissions';
+    const OCM_SHARE_PERMISSIONS_PROPERTYNAME = '{http://open-cloud-mesh.org/ns}share-permissions';
+    const DOWNLOADURL_PROPERTYNAME = '{http://owncloud.org/ns}downloadURL';
+    const SIZE_PROPERTYNAME = '{http://owncloud.org/ns}size';
+    const GETETAG_PROPERTYNAME = '{DAV:}getetag';
+    const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
+    const OWNER_ID_PROPERTYNAME = '{http://owncloud.org/ns}owner-id';
+    const OWNER_DISPLAY_NAME_PROPERTYNAME = '{http://owncloud.org/ns}owner-display-name';
+    const CHECKSUMS_PROPERTYNAME = '{http://owncloud.org/ns}checksums';
+    const DATA_FINGERPRINT_PROPERTYNAME = '{http://owncloud.org/ns}data-fingerprint';
+    const HAS_PREVIEW_PROPERTYNAME = '{http://nextcloud.org/ns}has-preview';
+    const MOUNT_TYPE_PROPERTYNAME = '{http://nextcloud.org/ns}mount-type';
+    const IS_ENCRYPTED_PROPERTYNAME = '{http://nextcloud.org/ns}is-encrypted';
+
+    /**
+     * Reference to main server object
+     *
+     * @var \Sabre\DAV\Server
+     */
+    private $server;
+
+    /**
+     * @var Tree
+     */
+    private $tree;
+
+    /**
+     * Whether this is public webdav.
+     * If true, some returned information will be stripped off.
+     *
+     * @var bool
+     */
+    private $isPublic;
+
+    /**
+     * @var bool
+     */
+    private $downloadAttachment;
+
+    /**
+     * @var IConfig
+     */
+    private $config;
+
+    /**
+     * @var IRequest
+     */
+    private $request;
+
+    /**
+     * @var IPreview
+     */
+    private $previewManager;
+
+    /**
+     * @param Tree $tree
+     * @param IConfig $config
+     * @param IRequest $request
+     * @param IPreview $previewManager
+     * @param bool $isPublic
+     * @param bool $downloadAttachment
+     */
+    public function __construct(Tree $tree,
+                                IConfig $config,
+                                IRequest $request,
+                                IPreview $previewManager,
+                                $isPublic = false,
+                                $downloadAttachment = true) {
+        $this->tree = $tree;
+        $this->config = $config;
+        $this->request = $request;
+        $this->isPublic = $isPublic;
+        $this->downloadAttachment = $downloadAttachment;
+        $this->previewManager = $previewManager;
+    }
+
+    /**
+     * This initializes the plugin.
+     *
+     * This function is called by \Sabre\DAV\Server, after
+     * addPlugin is called.
+     *
+     * This method should set up the required event subscriptions.
+     *
+     * @param \Sabre\DAV\Server $server
+     * @return void
+     */
+    public function initialize(\Sabre\DAV\Server $server) {
+        $server->xml->namespaceMap[self::NS_OWNCLOUD] = 'oc';
+        $server->xml->namespaceMap[self::NS_NEXTCLOUD] = 'nc';
+        $server->protectedProperties[] = self::FILEID_PROPERTYNAME;
+        $server->protectedProperties[] = self::INTERNAL_FILEID_PROPERTYNAME;
+        $server->protectedProperties[] = self::PERMISSIONS_PROPERTYNAME;
+        $server->protectedProperties[] = self::SHARE_PERMISSIONS_PROPERTYNAME;
+        $server->protectedProperties[] = self::OCM_SHARE_PERMISSIONS_PROPERTYNAME;
+        $server->protectedProperties[] = self::SIZE_PROPERTYNAME;
+        $server->protectedProperties[] = self::DOWNLOADURL_PROPERTYNAME;
+        $server->protectedProperties[] = self::OWNER_ID_PROPERTYNAME;
+        $server->protectedProperties[] = self::OWNER_DISPLAY_NAME_PROPERTYNAME;
+        $server->protectedProperties[] = self::CHECKSUMS_PROPERTYNAME;
+        $server->protectedProperties[] = self::DATA_FINGERPRINT_PROPERTYNAME;
+        $server->protectedProperties[] = self::HAS_PREVIEW_PROPERTYNAME;
+        $server->protectedProperties[] = self::MOUNT_TYPE_PROPERTYNAME;
+        $server->protectedProperties[] = self::IS_ENCRYPTED_PROPERTYNAME;
+
+        // normally these cannot be changed (RFC4918), but we want them modifiable through PROPPATCH
+        $allowedProperties = ['{DAV:}getetag'];
+        $server->protectedProperties = array_diff($server->protectedProperties, $allowedProperties);
+
+        $this->server = $server;
+        $this->server->on('propFind', array($this, 'handleGetProperties'));
+        $this->server->on('propPatch', array($this, 'handleUpdateProperties'));
+        $this->server->on('afterBind', array($this, 'sendFileIdHeader'));
+        $this->server->on('afterWriteContent', array($this, 'sendFileIdHeader'));
+        $this->server->on('afterMethod:GET', [$this,'httpGet']);
+        $this->server->on('afterMethod:GET', array($this, 'handleDownloadToken'));
+        $this->server->on('afterResponse', function($request, ResponseInterface $response) {
+            $body = $response->getBody();
+            if (is_resource($body)) {
+                fclose($body);
+            }
+        });
+        $this->server->on('beforeMove', [$this, 'checkMove']);
+    }
+
+    /**
+     * Plugin that checks if a move can actually be performed.
+     *
+     * @param string $source source path
+     * @param string $destination destination path
+     * @throws Forbidden
+     * @throws NotFound
+     */
+    function checkMove($source, $destination) {
+        $sourceNode = $this->tree->getNodeForPath($source);
+        if (!$sourceNode instanceof Node) {
+            return;
+        }
+        list($sourceDir,) = \Sabre\Uri\split($source);
+        list($destinationDir,) = \Sabre\Uri\split($destination);
+
+        if ($sourceDir !== $destinationDir) {
+            $sourceNodeFileInfo = $sourceNode->getFileInfo();
+            if ($sourceNodeFileInfo === null) {
+                throw new NotFound($source . ' does not exist');
+                }
+
+            if (!$sourceNodeFileInfo->isDeletable()) {
+                throw new Forbidden($source . " cannot be deleted");
+            }
+        }
+    }
+
+    /**
+     * This sets a cookie to be able to recognize the start of the download
+     * the content must not be longer than 32 characters and must only contain
+     * alphanumeric characters
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     */
+    function handleDownloadToken(RequestInterface $request, ResponseInterface $response) {
+        $queryParams = $request->getQueryParameters();
+
+        /**
+         * this sets a cookie to be able to recognize the start of the download
+         * the content must not be longer than 32 characters and must only contain
+         * alphanumeric characters
+         */
+        if (isset($queryParams['downloadStartSecret'])) {
+            $token = $queryParams['downloadStartSecret'];
+            if (!isset($token[32])
+                && preg_match('!^[a-zA-Z0-9]+$!', $token) === 1) {
+                // FIXME: use $response->setHeader() instead
+                setcookie('ocDownloadStarted', $token, time() + 20, '/');
+            }
+        }
+    }
+
+    /**
+     * Add headers to file download
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     */
+    function httpGet(RequestInterface $request, ResponseInterface $response) {
+        // Only handle valid files
+        $node = $this->tree->getNodeForPath($request->getPath());
+        if (!($node instanceof IFile)) return;
+
+        // adds a 'Content-Disposition: attachment' header in case no disposition
+        // header has been set before
+        if ($this->downloadAttachment &&
+            $response->getHeader('Content-Disposition') === null) {
+            $filename = $node->getName();
+            if ($this->request->isUserAgent(
+                [
+                    Request::USER_AGENT_IE,
+                    Request::USER_AGENT_ANDROID_MOBILE_CHROME,
+                    Request::USER_AGENT_FREEBOX,
+                ])) {
+                $response->addHeader('Content-Disposition', 'attachment; filename="' . rawurlencode($filename) . '"');
+            } else {
+                $response->addHeader('Content-Disposition', 'attachment; filename*=UTF-8\'\'' . rawurlencode($filename)
+                                                        . '; filename="' . rawurlencode($filename) . '"');
+            }
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
+            //Add OC-Checksum header
+            /** @var $node File */
+            $checksum = $node->getChecksum();
+            if ($checksum !== null && $checksum !== '') {
+                $response->addHeader('OC-Checksum', $checksum);
+            }
+        }
+    }
+
+    /**
+     * Adds all ownCloud-specific properties
+     *
+     * @param PropFind $propFind
+     * @param \Sabre\DAV\INode $node
+     * @return void
+     */
+    public function handleGetProperties(PropFind $propFind, \Sabre\DAV\INode $node) {
+
+        $httpRequest = $this->server->httpRequest;
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
+            /**
+             * This was disabled, because it made dir listing throw an exception,
+             * so users were unable to navigate into folders where one subitem
+             * is blocked by the files_accesscontrol app, see:
+             * https://github.com/nextcloud/files_accesscontrol/issues/65
 			if (!$node->getFileInfo()->isReadable()) {
 				// avoid detecting files through this means
 				throw new NotFound();
 			}
-			 */
-
-			$propFind->handle(self::FILEID_PROPERTYNAME, function() use ($node) {
-				return $node->getFileId();
-			});
-
-			$propFind->handle(self::INTERNAL_FILEID_PROPERTYNAME, function() use ($node) {
-				return $node->getInternalFileId();
-			});
-
-			$propFind->handle(self::PERMISSIONS_PROPERTYNAME, function() use ($node) {
-				$perms = $node->getDavPermissions();
-				if ($this->isPublic) {
-					// remove mount information
-					$perms = str_replace(['S', 'M'], '', $perms);
-				}
-				return $perms;
-			});
-
-			$propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node, $httpRequest) {
-				return $node->getSharePermissions(
-					$httpRequest->getRawServerValue('PHP_AUTH_USER')
-				);
-			});
-
-			$propFind->handle(self::OCM_SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node, $httpRequest) {
-				$ncPermissions = $node->getSharePermissions(
-					$httpRequest->getRawServerValue('PHP_AUTH_USER')
-				);
-				$ocmPermissions = $this->ncPermissions2ocmPermissions($ncPermissions);
-				return json_encode($ocmPermissions);
-			});
-
-			$propFind->handle(self::GETETAG_PROPERTYNAME, function() use ($node) {
-				return $node->getETag();
-			});
-
-			$propFind->handle(self::OWNER_ID_PROPERTYNAME, function() use ($node) {
-				$owner = $node->getOwner();
-				if (!$owner) {
-					return null;
-				} else {
-					return $owner->getUID();
-				}
-			});
-			$propFind->handle(self::OWNER_DISPLAY_NAME_PROPERTYNAME, function() use ($node) {
-				$owner = $node->getOwner();
-				if (!$owner) {
-					return null;
-				} else {
-					return $owner->getDisplayName();
-				}
-			});
-
-			$propFind->handle(self::HAS_PREVIEW_PROPERTYNAME, function () use ($node) {
-				return json_encode($this->previewManager->isAvailable($node->getFileInfo()));
-			});
-			$propFind->handle(self::SIZE_PROPERTYNAME, function() use ($node) {
-				return $node->getSize();
-			});
-			$propFind->handle(self::MOUNT_TYPE_PROPERTYNAME, function () use ($node) {
-				return $node->getFileInfo()->getMountPoint()->getMountType();
-			});
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
-			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function() use ($node) {
-				return $this->config->getSystemValue('data-fingerprint', '');
-			});
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
-			$propFind->handle(self::DOWNLOADURL_PROPERTYNAME, function() use ($node) {
-				/** @var $node \OCA\DAV\Connector\Sabre\File */
-				try {
-					$directDownloadUrl = $node->getDirectDownload();
-					if (isset($directDownloadUrl['url'])) {
-						return $directDownloadUrl['url'];
-					}
-				} catch (StorageNotAvailableException $e) {
-					return false;
-				} catch (ForbiddenException $e) {
-					return false;
-				}
-				return false;
-			});
-
-			$propFind->handle(self::CHECKSUMS_PROPERTYNAME, function() use ($node) {
-				$checksum = $node->getChecksum();
-				if ($checksum === NULL || $checksum === '') {
-					return null;
-				}
-
-				return new ChecksumList($checksum);
-			});
-
-		}
-
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Directory) {
-			$propFind->handle(self::SIZE_PROPERTYNAME, function() use ($node) {
-				return $node->getSize();
-			});
-
-			$propFind->handle(self::IS_ENCRYPTED_PROPERTYNAME, function() use ($node) {
-				return $node->getFileInfo()->isEncrypted() ? '1' : '0';
-			});
-		}
-	}
-
-	/**
-	 * translate Nextcloud permissions to OCM Permissions
-	 *
-	 * @param $ncPermissions
-	 * @return array
-	 */
-	protected function ncPermissions2ocmPermissions($ncPermissions) {
-
-		$ocmPermissions = [];
-
-		if ($ncPermissions & Constants::PERMISSION_SHARE) {
-			$ocmPermissions[] = 'share';
-		}
-
-		if ($ncPermissions & Constants::PERMISSION_READ) {
-			$ocmPermissions[] = 'read';
-		}
-
-		if (($ncPermissions & Constants::PERMISSION_CREATE) ||
-			($ncPermissions & Constants::PERMISSION_UPDATE)) {
-			$ocmPermissions[] = 'write';
-		}
-
-		return $ocmPermissions;
-
-	}
-
-	/**
-	 * Update ownCloud-specific properties
-	 *
-	 * @param string $path
-	 * @param PropPatch $propPatch
-	 *
-	 * @return void
-	 */
-	public function handleUpdateProperties($path, PropPatch $propPatch) {
-		$node = $this->tree->getNodeForPath($path);
-		if (!($node instanceof \OCA\DAV\Connector\Sabre\Node)) {
-			return;
-		}
-
-		$propPatch->handle(self::LASTMODIFIED_PROPERTYNAME, function($time) use ($node) {
-			if (empty($time)) {
-				return false;
-			}
-			$node->touch($time);
-			return true;
-		});
-		$propPatch->handle(self::GETETAG_PROPERTYNAME, function($etag) use ($node) {
-			if (empty($etag)) {
-				return false;
-			}
-			if ($node->setEtag($etag) !== -1) {
-				return true;
-			}
-			return false;
-		});
-	}
-
-	/**
-	 * @param string $filePath
-	 * @param \Sabre\DAV\INode $node
-	 * @throws \Sabre\DAV\Exception\BadRequest
-	 */
-	public function sendFileIdHeader($filePath, \Sabre\DAV\INode $node = null) {
-		// chunked upload handling
-		if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
-			list($path, $name) = \Sabre\Uri\split($filePath);
-			$info = \OC_FileChunking::decodeName($name);
-			if (!empty($info)) {
-				$filePath = $path . '/' . $info['name'];
-			}
-		}
-
-		// we get the node for the given $filePath here because in case of afterCreateFile $node is the parent folder
-		if (!$this->server->tree->nodeExists($filePath)) {
-			return;
-		}
-		$node = $this->server->tree->getNodeForPath($filePath);
-		if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
-			$fileId = $node->getFileId();
-			if (!is_null($fileId)) {
-				$this->server->httpResponse->setHeader('OC-FileId', $fileId);
-			}
-		}
-	}
+             */
+
+            $propFind->handle(self::FILEID_PROPERTYNAME, function() use ($node) {
+                return $node->getFileId();
+            });
+
+            $propFind->handle(self::INTERNAL_FILEID_PROPERTYNAME, function() use ($node) {
+                return $node->getInternalFileId();
+            });
+
+            $propFind->handle(self::PERMISSIONS_PROPERTYNAME, function() use ($node) {
+                $perms = $node->getDavPermissions();
+                if ($this->isPublic) {
+                    // remove mount information
+                    $perms = str_replace(['S', 'M'], '', $perms);
+                }
+                return $perms;
+            });
+
+            $propFind->handle(self::SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node, $httpRequest) {
+                return $node->getSharePermissions(
+                    $httpRequest->getRawServerValue('PHP_AUTH_USER')
+                );
+            });
+
+            $propFind->handle(self::OCM_SHARE_PERMISSIONS_PROPERTYNAME, function() use ($node, $httpRequest) {
+                $ncPermissions = $node->getSharePermissions(
+                    $httpRequest->getRawServerValue('PHP_AUTH_USER')
+                );
+                $ocmPermissions = $this->ncPermissions2ocmPermissions($ncPermissions);
+                return json_encode($ocmPermissions);
+            });
+
+            $propFind->handle(self::GETETAG_PROPERTYNAME, function() use ($node) {
+                return $node->getETag();
+            });
+
+            $propFind->handle(self::OWNER_ID_PROPERTYNAME, function() use ($node) {
+                $owner = $node->getOwner();
+                if (!$owner) {
+                    return null;
+                } else {
+                    return $owner->getUID();
+                }
+            });
+            $propFind->handle(self::OWNER_DISPLAY_NAME_PROPERTYNAME, function() use ($node) {
+                $owner = $node->getOwner();
+                if (!$owner) {
+                    return null;
+                } else {
+                    return $owner->getDisplayName();
+                }
+            });
+
+            $propFind->handle(self::HAS_PREVIEW_PROPERTYNAME, function () use ($node) {
+                return json_encode($this->previewManager->isAvailable($node->getFileInfo()));
+            });
+            $propFind->handle(self::SIZE_PROPERTYNAME, function() use ($node) {
+                return $node->getSize();
+            });
+            $propFind->handle(self::MOUNT_TYPE_PROPERTYNAME, function () use ($node) {
+                return $node->getFileInfo()->getMountPoint()->getMountType();
+            });
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
+            $propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function() use ($node) {
+                return $this->config->getSystemValue('data-fingerprint', '');
+            });
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\File) {
+            $propFind->handle(self::DOWNLOADURL_PROPERTYNAME, function() use ($node) {
+                /** @var $node \OCA\DAV\Connector\Sabre\File */
+                try {
+                    $directDownloadUrl = $node->getDirectDownload();
+                    if (isset($directDownloadUrl['url'])) {
+                        return $directDownloadUrl['url'];
+                    }
+                } catch (StorageNotAvailableException $e) {
+                    return false;
+                } catch (ForbiddenException $e) {
+                    return false;
+                }
+                return false;
+            });
+
+            $propFind->handle(self::CHECKSUMS_PROPERTYNAME, function() use ($node) {
+                $checksum = $node->getChecksum();
+                if ($checksum === NULL || $checksum === '') {
+                    return null;
+                }
+
+                return new ChecksumList($checksum);
+            });
+
+        }
+
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Directory) {
+            $propFind->handle(self::SIZE_PROPERTYNAME, function() use ($node) {
+                return $node->getSize();
+            });
+
+            $propFind->handle(self::IS_ENCRYPTED_PROPERTYNAME, function() use ($node) {
+                return $node->getFileInfo()->isEncrypted() ? '1' : '0';
+            });
+        }
+    }
+
+    /**
+     * translate Nextcloud permissions to OCM Permissions
+     *
+     * @param $ncPermissions
+     * @return array
+     */
+    protected function ncPermissions2ocmPermissions($ncPermissions) {
+
+        $ocmPermissions = [];
+
+        if ($ncPermissions & Constants::PERMISSION_SHARE) {
+            $ocmPermissions[] = 'share';
+        }
+
+        if ($ncPermissions & Constants::PERMISSION_READ) {
+            $ocmPermissions[] = 'read';
+        }
+
+        if (($ncPermissions & Constants::PERMISSION_CREATE) ||
+            ($ncPermissions & Constants::PERMISSION_UPDATE)) {
+            $ocmPermissions[] = 'write';
+        }
+
+        return $ocmPermissions;
+
+    }
+
+    /**
+     * Update ownCloud-specific properties
+     *
+     * @param string $path
+     * @param PropPatch $propPatch
+     *
+     * @return void
+     */
+    public function handleUpdateProperties($path, PropPatch $propPatch) {
+        $node = $this->tree->getNodeForPath($path);
+        if (!($node instanceof \OCA\DAV\Connector\Sabre\Node)) {
+            return;
+        }
+
+        $propPatch->handle(self::LASTMODIFIED_PROPERTYNAME, function($time) use ($node) {
+            if (empty($time)) {
+                return false;
+            }
+            $node->touch($time);
+            return true;
+        });
+        $propPatch->handle(self::GETETAG_PROPERTYNAME, function($etag) use ($node) {
+            if (empty($etag)) {
+                return false;
+            }
+            if ($node->setEtag($etag) !== -1) {
+                return true;
+            }
+            return false;
+        });
+    }
+
+    /**
+     * @param string $filePath
+     * @param \Sabre\DAV\INode $node
+     * @throws \Sabre\DAV\Exception\BadRequest
+     */
+    public function sendFileIdHeader($filePath, \Sabre\DAV\INode $node = null) {
+        // chunked upload handling
+        if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
+            list($path, $name) = \Sabre\Uri\split($filePath);
+            $info = \OC_FileChunking::decodeName($name);
+            if (!empty($info)) {
+                $filePath = $path . '/' . $info['name'];
+            }
+        }
+
+        // we get the node for the given $filePath here because in case of afterCreateFile $node is the parent folder
+        if (!$this->server->tree->nodeExists($filePath)) {
+            return;
+        }
+        $node = $this->server->tree->getNodeForPath($filePath);
+        if ($node instanceof \OCA\DAV\Connector\Sabre\Node) {
+            $fileId = $node->getFileId();
+            if (!is_null($fileId)) {
+                $this->server->httpResponse->setHeader('OC-FileId', $fileId);
+            }
+        }
+    }
 }