nextcloud / server

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

Indentation +38 added lines, -38 removed lines

@@ -35,47 +35,47 @@
  * @package OCA\DAV\Connector\Sabre
  */
 class BlockLegacyClientPlugin extends ServerPlugin {
-	/** @var \Sabre\DAV\Server */
-	protected $server;
-	/** @var IConfig */
-	protected $config;
+    /** @var \Sabre\DAV\Server */
+    protected $server;
+    /** @var IConfig */
+    protected $config;
 
-	/**
-	 * @param IConfig $config
-	 */
-	public function __construct(IConfig $config) {
-		$this->config = $config;
-	}
+    /**
+     * @param IConfig $config
+     */
+    public function __construct(IConfig $config) {
+        $this->config = $config;
+    }
 
-	/**
-	 * @param \Sabre\DAV\Server $server
-	 * @return void
-	 */
-	public function initialize(\Sabre\DAV\Server $server) {
-		$this->server = $server;
-		$this->server->on('beforeMethod', [$this, 'beforeHandler'], 200);
-	}
+    /**
+     * @param \Sabre\DAV\Server $server
+     * @return void
+     */
+    public function initialize(\Sabre\DAV\Server $server) {
+        $this->server = $server;
+        $this->server->on('beforeMethod', [$this, 'beforeHandler'], 200);
+    }
 
-	/**
-	 * Detects all unsupported clients and throws a \Sabre\DAV\Exception\Forbidden
-	 * exception which will result in a 403 to them.
-	 * @param RequestInterface $request
-	 * @throws \Sabre\DAV\Exception\Forbidden If the client version is not supported
-	 */
-	public function beforeHandler(RequestInterface $request) {
-		$userAgent = $request->getHeader('User-Agent');
-		if($userAgent === null) {
-			return;
-		}
+    /**
+     * Detects all unsupported clients and throws a \Sabre\DAV\Exception\Forbidden
+     * exception which will result in a 403 to them.
+     * @param RequestInterface $request
+     * @throws \Sabre\DAV\Exception\Forbidden If the client version is not supported
+     */
+    public function beforeHandler(RequestInterface $request) {
+        $userAgent = $request->getHeader('User-Agent');
+        if($userAgent === null) {
+            return;
+        }
 
-		$minimumSupportedDesktopVersion = $this->config->getSystemValue('minimum.supported.desktop.version', '2.0.0');
+        $minimumSupportedDesktopVersion = $this->config->getSystemValue('minimum.supported.desktop.version', '2.0.0');
 
-		// Match on the mirall version which is in scheme "Mozilla/5.0 (%1) mirall/%2" or
-		// "mirall/%1" for older releases
-		preg_match("/(?:mirall\\/)([\d.]+)/i", $userAgent, $versionMatches);
-		if(isset($versionMatches[1]) &&
-			version_compare($versionMatches[1], $minimumSupportedDesktopVersion) === -1) {
-			throw new \Sabre\DAV\Exception\Forbidden('Unsupported client version.');
-		}
-	}
+        // Match on the mirall version which is in scheme "Mozilla/5.0 (%1) mirall/%2" or
+        // "mirall/%1" for older releases
+        preg_match("/(?:mirall\\/)([\d.]+)/i", $userAgent, $versionMatches);
+        if(isset($versionMatches[1]) &&
+            version_compare($versionMatches[1], $minimumSupportedDesktopVersion) === -1) {
+            throw new \Sabre\DAV\Exception\Forbidden('Unsupported client version.');
+        }
+    }
 }

Spacing +2 added lines, -2 removed lines

@@ -64,7 +64,7 @@ 
 	 */
 	public function beforeHandler(RequestInterface $request) {
 		$userAgent = $request->getHeader('User-Agent');
-		if($userAgent === null) {
+		if ($userAgent === null) {
 			return;
 		}
 
@@ -73,7 +73,7 @@ 
 		// Match on the mirall version which is in scheme "Mozilla/5.0 (%1) mirall/%2" or
 		// "mirall/%1" for older releases
 		preg_match("/(?:mirall\\/)([\d.]+)/i", $userAgent, $versionMatches);
-		if(isset($versionMatches[1]) &&
+		if (isset($versionMatches[1]) &&
 			version_compare($versionMatches[1], $minimumSupportedDesktopVersion) === -1) {
 			throw new \Sabre\DAV\Exception\Forbidden('Unsupported client version.');
 		}

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

Indentation +46 added lines, -46 removed lines

@@ -34,53 +34,53 @@
 use Sabre\HTTP\RequestInterface;
 
 class LockPlugin extends ServerPlugin {
-	/**
-	 * Reference to main server object
-	 *
-	 * @var \Sabre\DAV\Server
-	 */
-	private $server;
+    /**
+     * Reference to main server object
+     *
+     * @var \Sabre\DAV\Server
+     */
+    private $server;
 
-	/**
-	 * {@inheritdoc}
-	 */
-	public function initialize(\Sabre\DAV\Server $server) {
-		$this->server = $server;
-		$this->server->on('beforeMethod', [$this, 'getLock'], 50);
-		$this->server->on('afterMethod', [$this, 'releaseLock'], 50);
-	}
+    /**
+     * {@inheritdoc}
+     */
+    public function initialize(\Sabre\DAV\Server $server) {
+        $this->server = $server;
+        $this->server->on('beforeMethod', [$this, 'getLock'], 50);
+        $this->server->on('afterMethod', [$this, 'releaseLock'], 50);
+    }
 
-	public function getLock(RequestInterface $request) {
-		// we can't listen on 'beforeMethod:PUT' due to order of operations with setting up the tree
-		// so instead we limit ourselves to the PUT method manually
-		if ($request->getMethod() !== 'PUT' || isset($_SERVER['HTTP_OC_CHUNKED'])) {
-			return;
-		}
-		try {
-			$node = $this->server->tree->getNodeForPath($request->getPath());
-		} catch (NotFound $e) {
-			return;
-		}
-		if ($node instanceof Node) {
-			try {
-				$node->acquireLock(ILockingProvider::LOCK_SHARED);
-			} catch (LockedException $e) {
-				throw new FileLocked($e->getMessage(), $e->getCode(), $e);
-			}
-		}
-	}
+    public function getLock(RequestInterface $request) {
+        // we can't listen on 'beforeMethod:PUT' due to order of operations with setting up the tree
+        // so instead we limit ourselves to the PUT method manually
+        if ($request->getMethod() !== 'PUT' || isset($_SERVER['HTTP_OC_CHUNKED'])) {
+            return;
+        }
+        try {
+            $node = $this->server->tree->getNodeForPath($request->getPath());
+        } catch (NotFound $e) {
+            return;
+        }
+        if ($node instanceof Node) {
+            try {
+                $node->acquireLock(ILockingProvider::LOCK_SHARED);
+            } catch (LockedException $e) {
+                throw new FileLocked($e->getMessage(), $e->getCode(), $e);
+            }
+        }
+    }
 
-	public function releaseLock(RequestInterface $request) {
-		if ($request->getMethod() !== 'PUT' || isset($_SERVER['HTTP_OC_CHUNKED'])) {
-			return;
-		}
-		try {
-			$node = $this->server->tree->getNodeForPath($request->getPath());
-		} catch (NotFound $e) {
-			return;
-		}
-		if ($node instanceof Node) {
-			$node->releaseLock(ILockingProvider::LOCK_SHARED);
-		}
-	}
+    public function releaseLock(RequestInterface $request) {
+        if ($request->getMethod() !== 'PUT' || isset($_SERVER['HTTP_OC_CHUNKED'])) {
+            return;
+        }
+        try {
+            $node = $this->server->tree->getNodeForPath($request->getPath());
+        } catch (NotFound $e) {
+            return;
+        }
+        if ($node instanceof Node) {
+            $node->releaseLock(ILockingProvider::LOCK_SHARED);
+        }
+    }
 }

apps/dav/lib/Connector/Sabre/Exception/Forbidden.php

Indentation +32 added lines, -32 removed lines

@@ -24,42 +24,42 @@
 
 class Forbidden extends \Sabre\DAV\Exception\Forbidden {
 
-	const NS_OWNCLOUD = 'http://owncloud.org/ns';
+    const NS_OWNCLOUD = 'http://owncloud.org/ns';
 
-	/**
-	 * @var bool
-	 */
-	private $retry;
+    /**
+     * @var bool
+     */
+    private $retry;
 
-	/**
-	 * @param string $message
-	 * @param bool $retry
-	 * @param \Exception $previous
-	 */
-	public function __construct($message, $retry = false, \Exception $previous = null) {
-		parent::__construct($message, 0, $previous);
-		$this->retry = $retry;
-	}
+    /**
+     * @param string $message
+     * @param bool $retry
+     * @param \Exception $previous
+     */
+    public function __construct($message, $retry = false, \Exception $previous = null) {
+        parent::__construct($message, 0, $previous);
+        $this->retry = $retry;
+    }
 
-	/**
-	 * This method allows the exception to include additional information
-	 * into the WebDAV error response
-	 *
-	 * @param \Sabre\DAV\Server $server
-	 * @param \DOMElement $errorNode
-	 * @return void
-	 */
-	public function serialize(\Sabre\DAV\Server $server,\DOMElement $errorNode) {
+    /**
+     * This method allows the exception to include additional information
+     * into the WebDAV error response
+     *
+     * @param \Sabre\DAV\Server $server
+     * @param \DOMElement $errorNode
+     * @return void
+     */
+    public function serialize(\Sabre\DAV\Server $server,\DOMElement $errorNode) {
 
-		// set ownCloud namespace
-		$errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
+        // set ownCloud namespace
+        $errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
 
-		// adding the retry node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:retry', var_export($this->retry, true));
-		$errorNode->appendChild($error);
+        // adding the retry node
+        $error = $errorNode->ownerDocument->createElementNS('o:','o:retry', var_export($this->retry, true));
+        $errorNode->appendChild($error);
 
-		// adding the message node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:reason', $this->getMessage());
-		$errorNode->appendChild($error);
-	}
+        // adding the message node
+        $error = $errorNode->ownerDocument->createElementNS('o:','o:reason', $this->getMessage());
+        $errorNode->appendChild($error);
+    }
 }

Spacing +3 added lines, -3 removed lines

@@ -49,17 +49,17 @@
 	 * @param \DOMElement $errorNode
 	 * @return void
 	 */
-	public function serialize(\Sabre\DAV\Server $server,\DOMElement $errorNode) {
+	public function serialize(\Sabre\DAV\Server $server, \DOMElement $errorNode) {
 
 		// set ownCloud namespace
 		$errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
 
 		// adding the retry node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:retry', var_export($this->retry, true));
+		$error = $errorNode->ownerDocument->createElementNS('o:', 'o:retry', var_export($this->retry, true));
 		$errorNode->appendChild($error);
 
 		// adding the message node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:reason', $this->getMessage());
+		$error = $errorNode->ownerDocument->createElementNS('o:', 'o:reason', $this->getMessage());
 		$errorNode->appendChild($error);
 	}
 }

apps/dav/lib/Connector/Sabre/Exception/InvalidPath.php

Spacing +3 added lines, -3 removed lines

@@ -61,17 +61,17 @@
 	 * @param \DOMElement $errorNode
 	 * @return void
 	 */
-	public function serialize(\Sabre\DAV\Server $server,\DOMElement $errorNode) {
+	public function serialize(\Sabre\DAV\Server $server, \DOMElement $errorNode) {
 
 		// set ownCloud namespace
 		$errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
 
 		// adding the retry node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:retry', var_export($this->retry, true));
+		$error = $errorNode->ownerDocument->createElementNS('o:', 'o:retry', var_export($this->retry, true));
 		$errorNode->appendChild($error);
 
 		// adding the message node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:reason', $this->getMessage());
+		$error = $errorNode->ownerDocument->createElementNS('o:', 'o:reason', $this->getMessage());
 		$errorNode->appendChild($error);
 	}
 

Indentation +40 added lines, -40 removed lines

@@ -26,54 +26,54 @@
 
 class InvalidPath extends Exception {
 
-	const NS_OWNCLOUD = 'http://owncloud.org/ns';
+    const NS_OWNCLOUD = 'http://owncloud.org/ns';
 
-	/**
-	 * @var bool
-	 */
-	private $retry;
+    /**
+     * @var bool
+     */
+    private $retry;
 
-	/**
-	 * @param string $message
-	 * @param bool $retry
-	 * @param \Exception|null $previous
-	 */
-	public function __construct($message, $retry = false, \Exception $previous = null) {
-		parent::__construct($message, 0, $previous);
-		$this->retry = $retry;
-	}
+    /**
+     * @param string $message
+     * @param bool $retry
+     * @param \Exception|null $previous
+     */
+    public function __construct($message, $retry = false, \Exception $previous = null) {
+        parent::__construct($message, 0, $previous);
+        $this->retry = $retry;
+    }
 
-	/**
-	 * Returns the HTTP status code for this exception
-	 *
-	 * @return int
-	 */
-	public function getHTTPCode() {
+    /**
+     * Returns the HTTP status code for this exception
+     *
+     * @return int
+     */
+    public function getHTTPCode() {
 
-		return 400;
+        return 400;
 
-	}
+    }
 
-	/**
-	 * This method allows the exception to include additional information
-	 * into the WebDAV error response
-	 *
-	 * @param \Sabre\DAV\Server $server
-	 * @param \DOMElement $errorNode
-	 * @return void
-	 */
-	public function serialize(\Sabre\DAV\Server $server,\DOMElement $errorNode) {
+    /**
+     * This method allows the exception to include additional information
+     * into the WebDAV error response
+     *
+     * @param \Sabre\DAV\Server $server
+     * @param \DOMElement $errorNode
+     * @return void
+     */
+    public function serialize(\Sabre\DAV\Server $server,\DOMElement $errorNode) {
 
-		// set ownCloud namespace
-		$errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
+        // set ownCloud namespace
+        $errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
 
-		// adding the retry node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:retry', var_export($this->retry, true));
-		$errorNode->appendChild($error);
+        // adding the retry node
+        $error = $errorNode->ownerDocument->createElementNS('o:','o:retry', var_export($this->retry, true));
+        $errorNode->appendChild($error);
 
-		// adding the message node
-		$error = $errorNode->ownerDocument->createElementNS('o:','o:reason', $this->getMessage());
-		$errorNode->appendChild($error);
-	}
+        // adding the message node
+        $error = $errorNode->ownerDocument->createElementNS('o:','o:reason', $this->getMessage());
+        $errorNode->appendChild($error);
+    }
 
 }

apps/dav/lib/Connector/Sabre/Exception/PasswordLoginForbidden.php

Indentation +22 added lines, -22 removed lines

@@ -29,27 +29,27 @@
 
 class PasswordLoginForbidden extends NotAuthenticated {
 
-	const NS_OWNCLOUD = 'http://owncloud.org/ns';
-
-	public function getHTTPCode() {
-		return 401;
-	}
-
-	/**
-	 * This method allows the exception to include additional information
-	 * into the WebDAV error response
-	 *
-	 * @param Server $server
-	 * @param DOMElement $errorNode
-	 * @return void
-	 */
-	public function serialize(Server $server, DOMElement $errorNode) {
-
-		// set ownCloud namespace
-		$errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
-
-		$error = $errorNode->ownerDocument->createElementNS('o:', 'o:hint', 'password login forbidden');
-		$errorNode->appendChild($error);
-	}
+    const NS_OWNCLOUD = 'http://owncloud.org/ns';
+
+    public function getHTTPCode() {
+        return 401;
+    }
+
+    /**
+     * This method allows the exception to include additional information
+     * into the WebDAV error response
+     *
+     * @param Server $server
+     * @param DOMElement $errorNode
+     * @return void
+     */
+    public function serialize(Server $server, DOMElement $errorNode) {
+
+        // set ownCloud namespace
+        $errorNode->setAttribute('xmlns:o', self::NS_OWNCLOUD);
+
+        $error = $errorNode->ownerDocument->createElementNS('o:', 'o:hint', 'password login forbidden');
+        $errorNode->appendChild($error);
+    }
 
 }

apps/dav/lib/Connector/Sabre/Exception/FileLocked.php

Indentation +14 added lines, -14 removed lines

@@ -30,20 +30,20 @@
 
 class FileLocked extends \Sabre\DAV\Exception {
 
-	public function __construct($message = "", $code = 0, Exception $previous = null) {
-		if($previous instanceof \OCP\Files\LockNotAcquiredException) {
-			$message = sprintf('Target file %s is locked by another process.', $previous->path);
-		}
-		parent::__construct($message, $code, $previous);
-	}
+    public function __construct($message = "", $code = 0, Exception $previous = null) {
+        if($previous instanceof \OCP\Files\LockNotAcquiredException) {
+            $message = sprintf('Target file %s is locked by another process.', $previous->path);
+        }
+        parent::__construct($message, $code, $previous);
+    }
 
-	/**
-	 * Returns the HTTP status code for this exception
-	 *
-	 * @return int
-	 */
-	public function getHTTPCode() {
+    /**
+     * Returns the HTTP status code for this exception
+     *
+     * @return int
+     */
+    public function getHTTPCode() {
 
-		return 423;
-	}
+        return 423;
+    }
 }

Spacing +1 added lines, -1 removed lines

@@ -31,7 +31,7 @@
 class FileLocked extends \Sabre\DAV\Exception {
 
 	public function __construct($message = "", $code = 0, Exception $previous = null) {
-		if($previous instanceof \OCP\Files\LockNotAcquiredException) {
+		if ($previous instanceof \OCP\Files\LockNotAcquiredException) {
 			$message = sprintf('Target file %s is locked by another process.', $previous->path);
 		}
 		parent::__construct($message, $code, $previous);

apps/dav/lib/Connector/Sabre/Exception/UnsupportedMediaType.php

Indentation +8 added lines, -8 removed lines

@@ -31,15 +31,15 @@
  */
 class UnsupportedMediaType extends \Sabre\DAV\Exception {
 
-	/**
-	 * Returns the HTTP status code for this exception
-	 *
-	 * @return int
-	 */
-	public function getHTTPCode() {
+    /**
+     * Returns the HTTP status code for this exception
+     *
+     * @return int
+     */
+    public function getHTTPCode() {
 
-		return 415;
+        return 415;
 
-	}
+    }
 
 }

apps/dav/lib/Connector/Sabre/Exception/EntityTooLarge.php

Indentation +8 added lines, -8 removed lines

@@ -31,15 +31,15 @@
  */
 class EntityTooLarge extends \Sabre\DAV\Exception {
 
-	/**
-	 * Returns the HTTP status code for this exception
-	 *
-	 * @return int
-	 */
-	public function getHTTPCode() {
+    /**
+     * Returns the HTTP status code for this exception
+     *
+     * @return int
+     */
+    public function getHTTPCode() {
 
-		return 413;
+        return 413;
 
-	}
+    }
 
 }

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

Spacing +2 added lines, -2 removed lines

@@ -148,7 +148,7 @@ 
 
 		$shareTypesByFileId = [];
 
-		foreach($shares as $fileId => $sharesForFile) {
+		foreach ($shares as $fileId => $sharesForFile) {
 			$types = array_map(function(IShare $share) {
 				return $share->getShareType();
 			}, $sharesForFile);
@@ -189,7 +189,7 @@ 
 			}
 		}
 
-		$propFind->handle(self::SHARETYPES_PROPERTYNAME, function () use ($sabreNode) {
+		$propFind->handle(self::SHARETYPES_PROPERTYNAME, function() use ($sabreNode) {
 			if (isset($this->cachedShareTypes[$sabreNode->getId()])) {
 				$shareTypes = $this->cachedShareTypes[$sabreNode->getId()];
 			} else {

Indentation +177 added lines, -177 removed lines

@@ -34,181 +34,181 @@
  */
 class SharesPlugin extends \Sabre\DAV\ServerPlugin {
 
-	const NS_OWNCLOUD = 'http://owncloud.org/ns';
-	const SHARETYPES_PROPERTYNAME = '{http://owncloud.org/ns}share-types';
-
-	/**
-	 * Reference to main server object
-	 *
-	 * @var \Sabre\DAV\Server
-	 */
-	private $server;
-
-	/**
-	 * @var \OCP\Share\IManager
-	 */
-	private $shareManager;
-
-	/**
-	 * @var \Sabre\DAV\Tree
-	 */
-	private $tree;
-
-	/**
-	 * @var string
-	 */
-	private $userId;
-
-	/**
-	 * @var \OCP\Files\Folder
-	 */
-	private $userFolder;
-
-	/**
-	 * @var IShare[]
-	 */
-	private $cachedShareTypes;
-
-	private $cachedFolders = [];
-
-	/**
-	 * @param \Sabre\DAV\Tree $tree tree
-	 * @param IUserSession $userSession user session
-	 * @param \OCP\Files\Folder $userFolder user home folder
-	 * @param \OCP\Share\IManager $shareManager share manager
-	 */
-	public function __construct(
-		\Sabre\DAV\Tree $tree,
-		IUserSession $userSession,
-		\OCP\Files\Folder $userFolder,
-		\OCP\Share\IManager $shareManager
-	) {
-		$this->tree = $tree;
-		$this->shareManager = $shareManager;
-		$this->userFolder = $userFolder;
-		$this->userId = $userSession->getUser()->getUID();
-		$this->cachedShareTypes = [];
-	}
-
-	/**
-	 * 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
-	 */
-	public function initialize(\Sabre\DAV\Server $server) {
-		$server->xml->namespacesMap[self::NS_OWNCLOUD] = 'oc';
-		$server->xml->elementMap[self::SHARETYPES_PROPERTYNAME] = ShareTypeList::class;
-		$server->protectedProperties[] = self::SHARETYPES_PROPERTYNAME;
-
-		$this->server = $server;
-		$this->server->on('propFind', array($this, 'handleGetProperties'));
-	}
-
-	/**
-	 * Return a list of share types for outgoing shares
-	 *
-	 * @param \OCP\Files\Node $node file node
-	 *
-	 * @return int[] array of share types
-	 */
-	private function getShareTypes(\OCP\Files\Node $node) {
-		$shareTypes = [];
-		$requestedShareTypes = [
-			\OCP\Share::SHARE_TYPE_USER,
-			\OCP\Share::SHARE_TYPE_GROUP,
-			\OCP\Share::SHARE_TYPE_LINK,
-			\OCP\Share::SHARE_TYPE_REMOTE,
-			\OCP\Share::SHARE_TYPE_EMAIL,
-		];
-		foreach ($requestedShareTypes as $requestedShareType) {
-			// one of each type is enough to find out about the types
-			$shares = $this->shareManager->getSharesBy(
-				$this->userId,
-				$requestedShareType,
-				$node,
-				false,
-				1
-			);
-			if (!empty($shares)) {
-				$shareTypes[] = $requestedShareType;
-			}
-		}
-		return $shareTypes;
-	}
-
-	private function getSharesTypesInFolder(\OCP\Files\Folder $node) {
-		$shares = $this->shareManager->getSharesInFolder(
-			$this->userId,
-			$node,
-			true
-		);
-
-		$shareTypesByFileId = [];
-
-		foreach($shares as $fileId => $sharesForFile) {
-			$types = array_map(function(IShare $share) {
-				return $share->getShareType();
-			}, $sharesForFile);
-			$types = array_unique($types);
-			sort($types);
-			$shareTypesByFileId[$fileId] = $types;
-		}
-
-		return $shareTypesByFileId;
-	}
-
-	/**
-	 * Adds shares to propfind response
-	 *
-	 * @param PropFind $propFind propfind object
-	 * @param \Sabre\DAV\INode $sabreNode sabre node
-	 */
-	public function handleGetProperties(
-		PropFind $propFind,
-		\Sabre\DAV\INode $sabreNode
-	) {
-		if (!($sabreNode instanceof \OCA\DAV\Connector\Sabre\Node)) {
-			return;
-		}
-
-		// need prefetch ?
-		if ($sabreNode instanceof \OCA\DAV\Connector\Sabre\Directory
-			&& $propFind->getDepth() !== 0
-			&& !is_null($propFind->getStatus(self::SHARETYPES_PROPERTYNAME))
-		) {
-			$folderNode = $this->userFolder->get($sabreNode->getPath());
-
-			$childShares = $this->getSharesTypesInFolder($folderNode);
-			$this->cachedFolders[] = $sabreNode->getPath();
-			$this->cachedShareTypes[$folderNode->getId()] = $this->getShareTypes($folderNode);
-			foreach ($childShares as $id => $shares) {
-				$this->cachedShareTypes[$id] = $shares;
-			}
-		}
-
-		$propFind->handle(self::SHARETYPES_PROPERTYNAME, function () use ($sabreNode) {
-			if (isset($this->cachedShareTypes[$sabreNode->getId()])) {
-				$shareTypes = $this->cachedShareTypes[$sabreNode->getId()];
-			} else {
-				list($parentPath,) = \Sabre\Uri\split($sabreNode->getPath());
-				if ($parentPath === '') {
-					$parentPath = '/';
-				}
-				// if we already cached the folder this file is in we know there are no shares for this file
-				if (array_search($parentPath, $this->cachedFolders) === false) {
-					$node = $this->userFolder->get($sabreNode->getPath());
-					$shareTypes = $this->getShareTypes($node);
-				} else {
-					return [];
-				}
-			}
-
-			return new ShareTypeList($shareTypes);
-		});
-	}
+    const NS_OWNCLOUD = 'http://owncloud.org/ns';
+    const SHARETYPES_PROPERTYNAME = '{http://owncloud.org/ns}share-types';
+
+    /**
+     * Reference to main server object
+     *
+     * @var \Sabre\DAV\Server
+     */
+    private $server;
+
+    /**
+     * @var \OCP\Share\IManager
+     */
+    private $shareManager;
+
+    /**
+     * @var \Sabre\DAV\Tree
+     */
+    private $tree;
+
+    /**
+     * @var string
+     */
+    private $userId;
+
+    /**
+     * @var \OCP\Files\Folder
+     */
+    private $userFolder;
+
+    /**
+     * @var IShare[]
+     */
+    private $cachedShareTypes;
+
+    private $cachedFolders = [];
+
+    /**
+     * @param \Sabre\DAV\Tree $tree tree
+     * @param IUserSession $userSession user session
+     * @param \OCP\Files\Folder $userFolder user home folder
+     * @param \OCP\Share\IManager $shareManager share manager
+     */
+    public function __construct(
+        \Sabre\DAV\Tree $tree,
+        IUserSession $userSession,
+        \OCP\Files\Folder $userFolder,
+        \OCP\Share\IManager $shareManager
+    ) {
+        $this->tree = $tree;
+        $this->shareManager = $shareManager;
+        $this->userFolder = $userFolder;
+        $this->userId = $userSession->getUser()->getUID();
+        $this->cachedShareTypes = [];
+    }
+
+    /**
+     * 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
+     */
+    public function initialize(\Sabre\DAV\Server $server) {
+        $server->xml->namespacesMap[self::NS_OWNCLOUD] = 'oc';
+        $server->xml->elementMap[self::SHARETYPES_PROPERTYNAME] = ShareTypeList::class;
+        $server->protectedProperties[] = self::SHARETYPES_PROPERTYNAME;
+
+        $this->server = $server;
+        $this->server->on('propFind', array($this, 'handleGetProperties'));
+    }
+
+    /**
+     * Return a list of share types for outgoing shares
+     *
+     * @param \OCP\Files\Node $node file node
+     *
+     * @return int[] array of share types
+     */
+    private function getShareTypes(\OCP\Files\Node $node) {
+        $shareTypes = [];
+        $requestedShareTypes = [
+            \OCP\Share::SHARE_TYPE_USER,
+            \OCP\Share::SHARE_TYPE_GROUP,
+            \OCP\Share::SHARE_TYPE_LINK,
+            \OCP\Share::SHARE_TYPE_REMOTE,
+            \OCP\Share::SHARE_TYPE_EMAIL,
+        ];
+        foreach ($requestedShareTypes as $requestedShareType) {
+            // one of each type is enough to find out about the types
+            $shares = $this->shareManager->getSharesBy(
+                $this->userId,
+                $requestedShareType,
+                $node,
+                false,
+                1
+            );
+            if (!empty($shares)) {
+                $shareTypes[] = $requestedShareType;
+            }
+        }
+        return $shareTypes;
+    }
+
+    private function getSharesTypesInFolder(\OCP\Files\Folder $node) {
+        $shares = $this->shareManager->getSharesInFolder(
+            $this->userId,
+            $node,
+            true
+        );
+
+        $shareTypesByFileId = [];
+
+        foreach($shares as $fileId => $sharesForFile) {
+            $types = array_map(function(IShare $share) {
+                return $share->getShareType();
+            }, $sharesForFile);
+            $types = array_unique($types);
+            sort($types);
+            $shareTypesByFileId[$fileId] = $types;
+        }
+
+        return $shareTypesByFileId;
+    }
+
+    /**
+     * Adds shares to propfind response
+     *
+     * @param PropFind $propFind propfind object
+     * @param \Sabre\DAV\INode $sabreNode sabre node
+     */
+    public function handleGetProperties(
+        PropFind $propFind,
+        \Sabre\DAV\INode $sabreNode
+    ) {
+        if (!($sabreNode instanceof \OCA\DAV\Connector\Sabre\Node)) {
+            return;
+        }
+
+        // need prefetch ?
+        if ($sabreNode instanceof \OCA\DAV\Connector\Sabre\Directory
+            && $propFind->getDepth() !== 0
+            && !is_null($propFind->getStatus(self::SHARETYPES_PROPERTYNAME))
+        ) {
+            $folderNode = $this->userFolder->get($sabreNode->getPath());
+
+            $childShares = $this->getSharesTypesInFolder($folderNode);
+            $this->cachedFolders[] = $sabreNode->getPath();
+            $this->cachedShareTypes[$folderNode->getId()] = $this->getShareTypes($folderNode);
+            foreach ($childShares as $id => $shares) {
+                $this->cachedShareTypes[$id] = $shares;
+            }
+        }
+
+        $propFind->handle(self::SHARETYPES_PROPERTYNAME, function () use ($sabreNode) {
+            if (isset($this->cachedShareTypes[$sabreNode->getId()])) {
+                $shareTypes = $this->cachedShareTypes[$sabreNode->getId()];
+            } else {
+                list($parentPath,) = \Sabre\Uri\split($sabreNode->getPath());
+                if ($parentPath === '') {
+                    $parentPath = '/';
+                }
+                // if we already cached the folder this file is in we know there are no shares for this file
+                if (array_search($parentPath, $this->cachedFolders) === false) {
+                    $node = $this->userFolder->get($sabreNode->getPath());
+                    $shareTypes = $this->getShareTypes($node);
+                } else {
+                    return [];
+                }
+            }
+
+            return new ShareTypeList($shareTypes);
+        });
+    }
 }