feat(files-app-integration): inject signature status and signed node id on libresign files

Author: AntDavidLima

lib/Dav/SignatureStatusPlugin.php

@@ -2,6 +2,9 @@
 
 namespace OCA\Libresign\Dav;
 
+use OC;
+use OCA\DAV\Connector\Sabre\File;
+use OCA\Libresign\Service\FileService;
 use Sabre\DAV\INode;
 use Sabre\DAV\PropFind;
 use Sabre\DAV\Server;
@@ -10,12 +13,22 @@
 class SignatureStatusPlugin extends ServerPlugin {
 	protected $server;
 
-	public function initialize(Server $server) {
+	public function initialize(Server $server): void {
 		$this->server = $server;
 		$server->on('propFind', [$this, 'propFind']);
 	}
 
-	public function propFind(PropFind $propFind, INode $node) {
-		$propFind->handle('{http://nextcloud.org/ns}node-name', $node->getName());
+	public function propFind(PropFind $propFind, INode $node): void {
+		if ($node instanceof File) {
+			$fileService = OC::$server->get(FileService::class);
+			$nodeId = $node->getId();
+
+			if ($fileService->isLibresignFile($nodeId)) {
+				$fileService->setFileByType('FileId', $nodeId);
+
+				$propFind->handle('{http://nextcloud.org/ns}signature-status', $fileService->getStatus());
+				$propFind->handle('{http://nextcloud.org/ns}signed-node-id', $fileService->getSignedNodeId());
+			}
+		}
 	}
 }

lib/Db/FileMapper.php

@@ -167,6 +167,30 @@ public function getByFileId(?int $nodeId = null): File {
 		return $file;
 	}
 
+	/**
+	 * Check if file exists
+	 */
+	public function fileIdExists(int $nodeId): bool {
+		$exists = array_filter($this->file, fn ($f) => $f->getNodeId() === $nodeId || $f->getSignedNodeId() === $nodeId);
+		if (!empty($exists)) {
+			return true;
+		}
+
+		$qb = $this->db->getQueryBuilder();
+
+		$qb->select('id')
+			->from($this->getTableName())
+			->where(
+				$qb->expr()->orX(
+					$qb->expr()->eq('node_id', $qb->createNamedParameter($nodeId, IQueryBuilder::PARAM_INT)),
+					$qb->expr()->eq('signed_node_id', $qb->createNamedParameter($nodeId, IQueryBuilder::PARAM_INT))
+				)
+			);
+
+		$files = $this->findEntities($qb);
+		return !empty($files);
+	}
+
 	/**
 	 * @return File[]
 	 */

lib/Service/FileService.php

@@ -250,6 +250,14 @@ private function getFile(): \OCP\Files\File {
 		return current($fileToValidate);
 	}
 
+	public function getStatus(): int {
+		return $this->file->getStatus();
+	}
+
+	public function getSignedNodeId(): int {
+		return $this->file->getSignedNodeId();
+	}
+
 	private function getFileContent(): string {
 		if ($this->fileContent) {
 			return $this->fileContent;
@@ -265,6 +273,14 @@ private function getFileContent(): string {
 		return '';
 	}
 
+	public function isLibresignFile(int $nodeId): bool {
+		try {
+			return $this->fileMapper->fileIdExists($nodeId);
+		} catch (\Throwable) {
+			throw new LibresignException($this->l10n->t('Invalid data to validate file'), 404);
+		}
+	}
+
 	private function loadFileMetadata(): void {
 		if (!$content = $this->getFileContent()) {
 			return;

src/init.js

@@ -21,7 +21,8 @@ Vue.prototype.n = translatePlural
 Vue.prototype.OC = OC
 Vue.prototype.OCA = OCA
 
-registerDavProperty('nc:node-name', { nc: 'http://nextcloud.org/ns' })
+registerDavProperty('nc:signature-status', { nc: 'http://nextcloud.org/ns' })
+registerDavProperty('nc:signed-node-id', { nc: 'http://nextcloud.org/ns' })
 
 addNewFileMenuEntry({
 	id: 'libresign-request',