SymlinkPlugin/FilesPlugin: Fix httpGet and httpDelete for symlinks

Author: taminob

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

@@ -231,12 +231,14 @@ public function handleDownloadToken(RequestInterface $request, ResponseInterface
 	public function httpGet(RequestInterface $request, ResponseInterface $response) {
 		// only handle symlinks
 		$node = $this->tree->getNodeForPath($request->getPath());
-		if (!($node instanceof \OCP\Files\File && $this->symlinkManager->isSymlink($node))) {
+		if (!($node instanceof \OCA\DAV\Connector\Sabre\File && $this->symlinkManager->isSymlink($node->getFileInfo()))) {
 			return;
 		}
 
-		$response->addHeader('OC-File-Type', '1');
-		$response->setBody($node->getContent());
+		$response->setHeader('OC-File-Type', '1');
+		$response->setHeader('OC-ETag', $node->getEtag());
+		$response->setBody($node->get());
+		$response->setStatus(200);
 		// do not continue processing this request
 		return false;
 	}

apps/dav/lib/Upload/SymlinkPlugin.php

@@ -78,13 +78,16 @@ public function httpPut(RequestInterface $request, ResponseInterface $response):
 
 	public function httpDelete(RequestInterface $request, ResponseInterface $response): bool {
 		$path = $request->getPath();
-		$node = $this->server->tree->getNodeForPath(dirname($path));
-		if (!$node instanceof \OCA\DAV\Connector\Sabre\File) {
+		$node = $this->server->tree->getNodeForPath($path);
+		if (!$node instanceof \OCA\DAV\Connector\Sabre\Node) {
 			return true;
 		}
 		$info = $node->getFileInfo();
 		if ($this->symlinkManager->isSymlink($info)) {
-			$this->symlinkManager->deleteSymlink($info);
+			if (!$this->symlinkManager->deleteSymlink($info)) {
+				$symlinkName = $info->getName();
+				throw new \Sabre\DAV\Exception\NotFound("Unable to delete symlink '$symlinkName'!");
+			}
 		}
 		// always propagate to trigger deletion of regular file representing symlink in filesystem
 		return true;