Add data-fingerprint property to webdav

apps/dav/lib/connector/sabre/filesplugin.php

@@ -39,6 +39,7 @@ use Sabre\DAV\Tree;
 use \Sabre\HTTP\RequestInterface;
 use \Sabre\HTTP\ResponseInterface;
 use OCP\Files\StorageNotAvailableException;
+use OCP\IConfig;
 
 class FilesPlugin extends ServerPlugin {
 
@@ -55,6 +56,7 @@ class FilesPlugin extends ServerPlugin {
 	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';
 
 	/**
 	 * Reference to main server object
@@ -86,6 +88,11 @@ class FilesPlugin extends ServerPlugin {
 	 */
 	private $downloadAttachment;
 
+	/**
+	 * @var IConfig
+	 */
+	private $config;
+
 	/**
 	 * @param Tree $tree
 	 * @param View $view
@@ -94,10 +101,12 @@ class FilesPlugin extends ServerPlugin {
 	 */
 	public function __construct(Tree $tree,
 								View $view,
+								IConfig $config,
 								$isPublic = false,
 								$downloadAttachment = true) {
 		$this->tree = $tree;
 		$this->fileView = $view;
+		$this->config = $config;
 		$this->isPublic = $isPublic;
 		$this->downloadAttachment = $downloadAttachment;
 	}
@@ -125,6 +134,7 @@ class FilesPlugin extends ServerPlugin {
 		$server->protectedProperties[] = self::OWNER_ID_PROPERTYNAME;
 		$server->protectedProperties[] = self::OWNER_DISPLAY_NAME_PROPERTYNAME;
 		$server->protectedProperties[] = self::CHECKSUMS_PROPERTYNAME;
+		$server->protectedProperties[] = self::DATA_FINGERPRINT_PROPERTYNAME;
 
 		// normally these cannot be changed (RFC4918), but we want them modifiable through PROPPATCH
 		$allowedProperties = ['{DAV:}getetag'];
@@ -272,6 +282,18 @@ class FilesPlugin extends ServerPlugin {
 				$displayName = $owner->getDisplayName();
 				return $displayName;
 			});
+
+			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function() use ($node) {
+				if ($node->getPath() === '/') {
+					return $this->config->getSystemValue('data-fingerprint', '');
+				}
+			});
+		}
+
+		if ($node instanceof \OCA\DAV\Files\FilesHome) {
+			$propFind->handle(self::DATA_FINGERPRINT_PROPERTYNAME, function() use ($node) {
+				return $this->config->getSystemValue('data-fingerprint', '');
+			});
 		}
 
 		if ($node instanceof \OCA\DAV\Connector\Sabre\File) {

apps/dav/lib/connector/sabre/serverfactory.php

@@ -137,8 +137,15 @@ class ServerFactory {
 			}
 			$objectTree->init($root, $view, $this->mountManager);
 
-			$server->addPlugin(new \OCA\DAV\Connector\Sabre\FilesPlugin($objectTree, $view, false,
+			$server->addPlugin(
-				!$this->config->getSystemValue('debug', false)));
+				new \OCA\DAV\Connector\Sabre\FilesPlugin(
+					$objectTree,
+					$view,
+					$this->config,
+					false,
+					!$this->config->getSystemValue('debug', false)
+				)
+			);
 			$server->addPlugin(new \OCA\DAV\Connector\Sabre\QuotaPlugin($view));
 
 			if($this->userSession->isLoggedIn()) {

apps/dav/lib/server.php

@@ -132,8 +132,15 @@ class Server {
 			$user = \OC::$server->getUserSession()->getUser();
 			if (!is_null($user)) {
 				$view = \OC\Files\Filesystem::getView();
-				$this->server->addPlugin(new FilesPlugin($this->server->tree, $view, false,
+				$this->server->addPlugin(
-					!\OC::$server->getConfig()->getSystemValue('debug', false)));
+					new FilesPlugin(
+						$this->server->tree,
+						$view,
+						\OC::$server->getConfig(),
+						false,
+						!\OC::$server->getConfig()->getSystemValue('debug', false)
+					)
+				);
 
 				$this->server->addPlugin(
 					new \Sabre\DAV\PropertyStorage\Plugin(

apps/dav/tests/unit/connector/sabre/filesplugin.php

@@ -43,6 +43,7 @@ class FilesPlugin extends TestCase {
 	const DOWNLOADURL_PROPERTYNAME = \OCA\DAV\Connector\Sabre\FilesPlugin::DOWNLOADURL_PROPERTYNAME;
 	const OWNER_ID_PROPERTYNAME = \OCA\DAV\Connector\Sabre\FilesPlugin::OWNER_ID_PROPERTYNAME;
 	const OWNER_DISPLAY_NAME_PROPERTYNAME = \OCA\DAV\Connector\Sabre\FilesPlugin::OWNER_DISPLAY_NAME_PROPERTYNAME;
+	const DATA_FINGERPRINT_PROPERTYNAME = \OCA\DAV\Connector\Sabre\FilesPlugin::DATA_FINGERPRINT_PROPERTYNAME;
 
 	/**
 	 * @var \Sabre\DAV\Server | \PHPUnit_Framework_MockObject_MockObject
@@ -64,6 +65,11 @@ class FilesPlugin extends TestCase {
 	 */
 	private $view;
 
+	/**
+	 * @var \OCP\IConfig | \PHPUnit_Framework_MockObject_MockObject
+	 */
+	private $config;
+
 	public function setUp() {
 		parent::setUp();
 		$this->server = $this->getMockBuilder('\Sabre\DAV\Server')
@@ -75,8 +81,16 @@ class FilesPlugin extends TestCase {
 		$this->view = $this->getMockBuilder('\OC\Files\View')
 			->disableOriginalConstructor()
 			->getMock();
+		$this->config = $this->getMock('\OCP\IConfig');
+		$this->config->method('getSystemValue')
+			->with($this->equalTo('data-fingerprint'), $this->equalTo(''))
+			->willReturn('my_fingerprint');
 
-		$this->plugin = new \OCA\DAV\Connector\Sabre\FilesPlugin($this->tree, $this->view);
+		$this->plugin = new \OCA\DAV\Connector\Sabre\FilesPlugin(
+			$this->tree,
+			$this->view,
+			$this->config
+		);
 		$this->plugin->initialize($this->server);
 	}
 
@@ -128,7 +142,8 @@ class FilesPlugin extends TestCase {
 				self::PERMISSIONS_PROPERTYNAME,
 				self::DOWNLOADURL_PROPERTYNAME,
 				self::OWNER_ID_PROPERTYNAME,
-				self::OWNER_DISPLAY_NAME_PROPERTYNAME
+				self::OWNER_DISPLAY_NAME_PROPERTYNAME,
+				self::DATA_FINGERPRINT_PROPERTYNAME,
 			),
 			0
 		);
@@ -166,7 +181,7 @@ class FilesPlugin extends TestCase {
 		$this->assertEquals('http://example.com/', $propFind->get(self::DOWNLOADURL_PROPERTYNAME));
 		$this->assertEquals('foo', $propFind->get(self::OWNER_ID_PROPERTYNAME));
 		$this->assertEquals('M. Foo', $propFind->get(self::OWNER_DISPLAY_NAME_PROPERTYNAME));
-		$this->assertEquals(array(self::SIZE_PROPERTYNAME), $propFind->get404Properties());
+		$this->assertEquals([self::SIZE_PROPERTYNAME, self::DATA_FINGERPRINT_PROPERTYNAME], $propFind->get404Properties());
 	}
 
 	public function testGetPropertiesForFileHome() {
@@ -185,7 +200,8 @@ class FilesPlugin extends TestCase {
 				self::PERMISSIONS_PROPERTYNAME,
 				self::DOWNLOADURL_PROPERTYNAME,
 				self::OWNER_ID_PROPERTYNAME,
-				self::OWNER_DISPLAY_NAME_PROPERTYNAME
+				self::OWNER_DISPLAY_NAME_PROPERTYNAME,
+				self::DATA_FINGERPRINT_PROPERTYNAME,
 			),
 			0
 		);
@@ -217,6 +233,7 @@ class FilesPlugin extends TestCase {
 					'{http://owncloud.org/ns}owner-id',
 					'{http://owncloud.org/ns}owner-display-name'
 				], $propFind->get404Properties());
+		$this->assertEquals('my_fingerprint', $propFind->get(self::DATA_FINGERPRINT_PROPERTYNAME));
 	}
 
 	public function testGetPropertiesStorageNotAvailable() {
@@ -244,7 +261,11 @@ class FilesPlugin extends TestCase {
 	}
 
 	public function testGetPublicPermissions() {
-		$this->plugin = new \OCA\DAV\Connector\Sabre\FilesPlugin($this->tree, $this->view, true);
+		$this->plugin = new \OCA\DAV\Connector\Sabre\FilesPlugin(
+			$this->tree,
+			$this->view,
+			$this->config,
+			true);
 		$this->plugin->initialize($this->server);
 
 		$propFind = new PropFind(
@@ -281,6 +302,7 @@ class FilesPlugin extends TestCase {
 				self::SIZE_PROPERTYNAME,
 				self::PERMISSIONS_PROPERTYNAME,
 				self::DOWNLOADURL_PROPERTYNAME,
+				self::DATA_FINGERPRINT_PROPERTYNAME,
 			),
 			0
 		);
@@ -299,7 +321,30 @@ class FilesPlugin extends TestCase {
 		$this->assertEquals(1025, $propFind->get(self::SIZE_PROPERTYNAME));
 		$this->assertEquals('DWCKMSR', $propFind->get(self::PERMISSIONS_PROPERTYNAME));
 		$this->assertEquals(null, $propFind->get(self::DOWNLOADURL_PROPERTYNAME));
-		$this->assertEquals(array(self::DOWNLOADURL_PROPERTYNAME), $propFind->get404Properties());
+		$this->assertEquals([self::DOWNLOADURL_PROPERTYNAME, self::DATA_FINGERPRINT_PROPERTYNAME], $propFind->get404Properties());
+	}
+
+	public function testGetPropertiesForRootDirectory() {
+		/** @var \OCA\DAV\Connector\Sabre\Directory | \PHPUnit_Framework_MockObject_MockObject $node */
+		$node = $this->getMockBuilder('\OCA\DAV\Connector\Sabre\Directory')
+			->disableOriginalConstructor()
+			->getMock();
+		$node->method('getPath')->willReturn('/');
+
+		$propFind = new PropFind(
+			'/',
+			[
+				self::DATA_FINGERPRINT_PROPERTYNAME,
+			],
+			0
+		);
+
+		$this->plugin->handleGetProperties(
+			$propFind,
+			$node
+		);
+
+		$this->assertEquals('my_fingerprint', $propFind->get(self::DATA_FINGERPRINT_PROPERTYNAME));
 	}
 
 	public function testUpdateProps() {

apps/dav/tests/unit/connector/sabre/filesreportplugin.php

@@ -336,7 +336,15 @@ class FilesReportPlugin extends \Test\TestCase {
 			->method('getSize')
 			->will($this->returnValue(1024));
 
-		$this->server->addPlugin(new \OCA\DAV\Connector\Sabre\FilesPlugin($this->tree, $this->view));
+		$config = $this->getMock('\OCP\IConfig');
+
+		$this->server->addPlugin(
+			new \OCA\DAV\Connector\Sabre\FilesPlugin(
+				$this->tree,
+				$this->view,
+				$config
+			)
+		);
 		$this->plugin->initialize($this->server);
 		$responses = $this->plugin->prepareResponses($requestedProps, [$node1, $node2]);