[stable28] fix: save and retrieve file to guest account

.github/workflows/behat-mariadb.yml

@@ -129,9 +129,11 @@ jobs:
           ./occ app:enable --force notifications
           git clone --depth 1 -b ${{ matrix.server-versions }} https://github.com/nextcloud/activity apps/activity
           ./occ app:enable --force activity
+          ./occ app:enable --force guests
           ./occ config:system:set mail_smtpport --value 1025 --type integer
           ./occ config:system:set mail_smtphost --value mailhog
           ./occ config:system:set allow_local_remote_servers --value true --type boolean
+          ./occ config:system:set auth.bruteforce.protection.enabled --value false --type boolean
 
       - name: Run behat
         working-directory: apps/${{ env.APP_NAME }}/tests/integration

.github/workflows/behat-mysql.yml

@@ -137,6 +137,7 @@ jobs:
           ./occ app:enable --force notifications
           git clone --depth 1 -b ${{ matrix.server-versions }} https://github.com/nextcloud/activity apps/activity
           ./occ app:enable --force activity
+          ./occ app:enable --force guests
           ./occ config:system:set mail_smtpport --value 1025 --type integer
           ./occ config:system:set mail_smtphost --value mailhog
           ./occ config:system:set allow_local_remote_servers --value true --type boolean

.github/workflows/behat-pgsql.yml

@@ -133,6 +133,7 @@ jobs:
           ./occ app:enable --force notifications
           git clone --depth 1 -b ${{ matrix.server-versions }} https://github.com/nextcloud/activity apps/activity
           ./occ app:enable --force activity
+          ./occ app:enable --force guests
           ./occ config:system:set mail_smtpport --value 1025 --type integer
           ./occ config:system:set mail_smtphost --value mailhog
           ./occ config:system:set allow_local_remote_servers --value true --type boolean

.github/workflows/behat-sqlite.yml

@@ -124,6 +124,7 @@ jobs:
           ./occ app:enable --force notifications
           git clone --depth 1 -b ${{ matrix.server-versions }} https://github.com/nextcloud/activity apps/activity
           ./occ app:enable --force activity
+          ./occ app:enable --force guests
           ./occ config:system:set mail_smtpport --value 1025 --type integer
           ./occ config:system:set mail_smtphost --value mailhog
           ./occ config:system:set allow_local_remote_servers --value true --type boolean

lib/Controller/AccountController.php

@@ -297,6 +297,7 @@ public function createSignatureElement(array $elements): JSONResponse {
 
 	#[NoAdminRequired]
 	#[NoCSRFRequired]
+	#[PublicPage]
 	public function getSignatureElements(): JSONResponse {
 		$userId = $this->userSession->getUser()?->getUID();
 		try {

lib/Service/AccountService.php

@@ -50,6 +50,7 @@
 use OCP\Files\Folder;
 use OCP\Files\IMimeTypeDetector;
 use OCP\Files\IRootFolder;
+use OCP\Files\NotFoundException;
 use OCP\Http\Client\IClientService;
 use OCP\IConfig;
 use OCP\IGroupManager;
@@ -308,14 +309,17 @@ public function getPdfByUuid(string $uuid): File {
 	public function getFileByNodeIdAndSessionId(int $nodeId, string $sessionId): File {
 		$rootSignatureFolder = $this->folderService->getFolder();
 		if (!$rootSignatureFolder->nodeExists($sessionId)) {
-			throw new DoesNotExistException('Not found');
+			try {
+				return $this->folderService->getFileById($nodeId);
+			} catch (NotFoundException $th) {
+				throw new DoesNotExistException('Not found');
+			}
 		}
-		$nodes = $rootSignatureFolder->getById($nodeId);
-		if (empty($nodes)) {
+		try {
+			return $this->folderService->getFileById($nodeId);
+		} catch (NotFoundException $th) {
 			throw new DoesNotExistException('Not found');
 		}
-		$file = current($nodes);
-		return $file;
 	}
 
 	public function canRequestSign(?IUser $user = null): bool {
@@ -380,9 +384,7 @@ private function updateFileOfVisibleElement(array $data): void {
 			return;
 		}
 		$userElement = $this->userElementMapper->findOne(['id' => $data['elementId']]);
-		$userFolder = $this->folderService->getFolder($userElement->getFileId());
-		/** @var \OCP\Files\File */
-		$file = $userFolder->getById($userElement->getFileId())[0];
+		$file = $this->folderService->getFileById($userElement->getFileId());
 		$file->putContent($this->getFileRaw($data));
 	}
 
@@ -475,9 +477,10 @@ public function deleteSignatureElement(?IUser $user, string $sessionId, int $nod
 				'user_id' => $user->getUID(),
 			]);
 			$this->userElementMapper->delete($element);
-			$file = $this->root->getById($element->getFileId());
-			if ($file) {
-				current($file)->delete();
+			try {
+				$file = $this->folderService->getFileById($element->getFileId());
+				$file->delete();
+			} catch (NotFoundException $e) {
 			}
 		} else {
 			$rootSignatureFolder = $this->folderService->getFolder();

lib/Service/FolderService.php

@@ -28,6 +28,7 @@
 use OCP\AppFramework\Services\IAppConfig;
 use OCP\Files\AppData\IAppDataFactory;
 use OCP\Files\Config\IUserMountCache;
+use OCP\Files\File;
 use OCP\Files\Folder;
 use OCP\Files\IAppData;
 use OCP\Files\IRootFolder;
@@ -62,37 +63,37 @@ public function getUserId(): ?string {
 	}
 
 	/**
-	 * Get folder for user
+	 * Get folder for user and creates it if non-existent
 	 *
 	 * @psalm-suppress MixedReturnStatement
-	 * @psalm-suppress InvalidReturnStatement
-	 * @psalm-suppress MixedMethodCall
+	 * @throws NotFoundException
+	 * @throws NotPermittedException
 	 */
-	public function getFolder(int $nodeId = null): Folder {
-		if ($nodeId) {
-			$mountsContainingFile = $this->userMountCache->getMountsForFileId($nodeId);
-			foreach ($mountsContainingFile as $fileInfo) {
-				$this->root->getByIdInPath($nodeId, $fileInfo->getMountPoint());
-			}
-			$node = $this->root->getById($nodeId);
-			if (!$node) {
-				throw new \Exception('Invalid node');
-			}
-			return $node[0]->getParent();
+	public function getFolder(): Folder {
+		$path = $this->getLibreSignDefaultPath();
+		$containerFolder = $this->getContainerFolder();
+		if (!$containerFolder->nodeExists($path)) {
+			return $containerFolder->newFolder($path);
 		}
-
-		return $this->getOrCreateFolder();
+		return $containerFolder->get($path);
 	}
 
 	/**
-	 * Finds a folder and creates it if non-existent
-	 *
-	 * @psalm-suppress MixedReturnStatement
 	 * @throws NotFoundException
-	 * @throws NotPermittedException
 	 */
-	private function getOrCreateFolder(): Folder {
+	public function getFileById(int $nodeId = null): File {
 		$path = $this->getLibreSignDefaultPath();
+		$containerFolder = $this->getContainerFolder();
+		if (!$containerFolder->nodeExists($path)) {
+			throw new NotFoundException('Invalid node');
+		}
+		/** @var Folder $folder */
+		$folder = $containerFolder->get($path);
+		$file = $folder->getById($nodeId);
+		return current($file);
+	}
+
+	private function getContainerFolder(): Folder {
 		$withoutPermission = false;
 		if ($this->getUserId()) {
 			$containerFolder = $this->root->getUserFolder($this->getUserId());
@@ -110,22 +111,12 @@ private function getOrCreateFolder(): Folder {
 			$reflection = new \ReflectionClass($containerFolder);
 			$reflectionProperty = $reflection->getProperty('folder');
 			$reflectionProperty->setAccessible(true);
-			$containerFolder = $reflectionProperty->getValue($containerFolder);
-		} else {
-			$containerFolder = $this->root->getUserFolder($this->getUserId());
+			return $reflectionProperty->getValue($containerFolder);
 		}
-		if ($containerFolder->nodeExists($path)) {
-			$folder = $containerFolder->get($path);
-		} else {
-			$folder = $containerFolder->newFolder($path);
-		}
-		return $folder;
+		return $this->root->getUserFolder($this->getUserId());
 	}
 
-	/**
-	 * @psalm-suppress MixedReturnStatement
-	 */
-	public function getLibreSignDefaultPath(): string {
+	private function getLibreSignDefaultPath(): string {
 		if (!$this->userId) {
 			return 'unauthenticated';
 		}

lib/Service/SignFileService.php

@@ -246,20 +246,15 @@ public function setVisibleElements(array $list): self {
 			}
 			try {
 				if ($this->user instanceof IUser) {
-					$mountsContainingFile = $this->userMountCache->getMountsForFileId($nodeId);
-					foreach ($mountsContainingFile as $fileInfo) {
-						$this->root->getByIdInPath($nodeId, $fileInfo->getMountPoint());
-					}
-					/** @var \OCP\Files\File[] */
-					$node = $this->root->getById($nodeId);
+					$node = $this->folderService->getFileById($nodeId);
 				} else {
 					$filesOfElementes = $this->signerElementsService->getElementsFromSession();
 					$node = array_filter($filesOfElementes, fn ($file) => $file->getId() === $nodeId);
+					$node = current($node);
 				}
 				if (!$node) {
 					throw new \Exception('empty');
 				}
-				$node = current($node);
 			} catch (\Throwable $th) {
 				throw new LibresignException($this->l10n->t('You need to define a visible signature or initials to sign this document.'));
 			}

lib/Service/SignerElementsService.php

@@ -52,7 +52,10 @@ public function getUserElementByNodeId(string $userId, $nodeId): array {
 			'id' => $element->getId(),
 			'type' => $element->getType(),
 			'file' => [
-				'url' => $this->urlGenerator->linkToRoute('core.Preview.getPreviewByFileId', ['fileId' => $element->getFileId(), 'x' => self::ELEMENT_SIGN_WIDTH, 'y' => self::ELEMENT_SIGN_HEIGHT]),
+				'url' => $this->urlGenerator->linkToRoute('ocs.libresign.account.getSignatureElementPreview', [
+					'apiVersion' => 'v1',
+					'nodeId' => $element->getFileId(),
+				]),
 				'nodeId' => $element->getFileId()
 			],
 			'uid' => $element->getUserId(),
@@ -73,7 +76,10 @@ public function getUserElements(string $userId): array {
 				'id' => $element->getId(),
 				'type' => $element->getType(),
 				'file' => [
-					'url' => $this->urlGenerator->linkToRoute('core.Preview.getPreviewByFileId', ['fileId' => $element->getFileId(), 'x' => self::ELEMENT_SIGN_WIDTH, 'y' => self::ELEMENT_SIGN_HEIGHT]),
+					'url' => $this->urlGenerator->linkToRoute('ocs.libresign.account.getSignatureElementPreview', [
+						'apiVersion' => 'v1',
+						'nodeId' => $element->getFileId(),
+					]),
 					'nodeId' => $element->getFileId()
 				],
 				'starred' => $element->getStarred() ? 1 : 0,
@@ -85,7 +91,7 @@ public function getUserElements(string $userId): array {
 
 	private function signatureFileExists(UserElement $userElement): bool {
 		try {
-			$this->folderService->getFolder($userElement->getFileId());
+			$this->folderService->getFileById($userElement->getFileId());
 		} catch (\Exception $e) {
 			$this->userElementMapper->delete($userElement);
 			return false;

lib/Service/TFile.php

@@ -42,8 +42,7 @@ public function getNodeFromData(array $data): Node {
 			return $data['file']['fileNode'];
 		}
 		if (isset($data['file']['fileId'])) {
-			$userFolder = $this->folderService->getFolder($data['file']['fileId']);
-			return $userFolder->getById($data['file']['fileId'])[0];
+			return $this->folderService->getFileById($data['file']['fileId']);
 		}
 		if (isset($data['file']['path'])) {
 			return $this->folderService->getFileByPath($data['file']['path']);