Feature sign using uuuid

README.md

@@ -8,6 +8,19 @@ Nextcloud app to sign PDF documents
 
 ## Setup
 
+### Java and JSignPDF
+
+Add the follow to Nextcloud PHP container Dockerfile
+
+```Dockerfile
+# Install Java and JsignPDF
+RUN mkdir -p /usr/share/man/man1
+RUN apt-get install -y default-jre
+RUN curl -OL https://sourceforge.net/projects/jsignpdf/files/stable/JSignPdf%201.6.4/JSignPdf-1.6.4.zip \
+    && unzip JSignPdf-1.6.4.zip -d /opt \
+    && rm JSignPdf-1.6.4.zip
+```
+
 ### With CFSS server
 
 Up a cfssl server using this code:

appinfo/routes.php

@@ -7,6 +7,7 @@
 			'verb' => 'OPTIONS', 'requirements' => ['path' => '.+'], ],
 		['name' => 'webhook#register', 'url' => '/api/0.1/webhook/register', 'verb' => 'POST'],
 		['name' => 'libresign#sign', 'url' => '/api/0.1/sign', 'verb' => 'POST'],
+		['name' => 'libresign#signUsingUuid', 'url' => '/api/0.1/sign/{uuid}', 'verb' => 'POST'],
 		['name' => 'account#createToSign', 'url' => '/api/0.1/account/create/{uuid}', 'verb' => 'POST'],
 		['name' => 'signature#generate', 'url' => '/api/0.1/signature/generate', 'verb' => 'POST'],
 		['name' => 'signature#hasRootCert', 'url' => '/api/0.1/signature/has-root-cert', 'verb' => 'GET'],

lib/Controller/AccountController.php

@@ -2,9 +2,9 @@
 
 namespace OCA\Libresign\Controller;
 
+use OC\Files\Filesystem;
 use OCA\Libresign\AppInfo\Application;
 use OCA\Libresign\Db\FileMapper;
-use OCA\Libresign\Db\FileUser;
 use OCA\Libresign\Helper\JSActions;
 use OCA\Libresign\Service\AccountService;
 use OCP\AppFramework\ApiController;
@@ -42,6 +42,7 @@ public function __construct(
 	 * @NoAdminRequired
 	 * @CORS
 	 * @NoCSRFRequired
+	 * @PublicPage
 	 * @return JSONResponse
 	 */
 	public function createToSign(string $uuid, string $email, string $password, string $signPassword) {
@@ -56,6 +57,7 @@ public function createToSign(string $uuid, string $email, string $password, stri
 			$this->account->createToSign($uuid, $email, $password, $signPassword);
 			$fileUser = $this->account->getFileUserByUuid($uuid);
 			$fileData = $this->fileMapper->getById($fileUser->getLibresignFileId());
+			Filesystem::initMountPoints($fileData->getUserId());
 			$fileToSign = $this->root->getById($fileData->getFileId());
 			if (count($fileToSign) < 1) {
 				return new JSONResponse(
@@ -67,6 +69,15 @@ public function createToSign(string $uuid, string $email, string $password, stri
 				);
 			}
 			$fileToSign = $fileToSign[0];
+			$data = [
+				'message' => $this->l10n->t('Success'),
+				'action' => JSActions::ACTION_SIGN,
+				'pdf' => [
+					'base64' => base64_encode($fileToSign->getContent())
+				],
+				'filename' => $fileData->getName(),
+				'description' => $fileData->getDescription()
+			];
 		} catch (\Throwable $th) {
 			return new JSONResponse(
 				[
@@ -77,15 +88,7 @@ public function createToSign(string $uuid, string $email, string $password, stri
 			);
 		}
 		return new JSONResponse(
-			[
-				'message' => $this->l10n->t('Success'),
-				'action' => JSActions::ACTION_SIGN,
-				'pdf' => [
-					'base64' => $fileToSign->getContent()
-				],
-				'filename' => $fileData->getName(),
-				'description' => $fileData->getDescription()
-			],
+			$data,
 			Http::STATUS_OK
 		);
 	}

lib/Controller/LibresignController.php

@@ -2,10 +2,20 @@
 
 namespace OCA\Libresign\Controller;
 
+use OC\Files\Filesystem;
 use OCA\Libresign\AppInfo\Application;
+use OCA\Libresign\Db\FileMapper;
+use OCA\Libresign\Db\FileUserMapper;
+use OCA\Libresign\Exception\LibresignException;
+use OCA\Libresign\Handler\JLibresignHandler;
+use OCA\Libresign\Helper\JSActions;
+use OCA\Libresign\Service\AccountService;
 use OCA\Libresign\Service\LibresignService;
 use OCP\AppFramework\Controller;
-use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\JSONResponse;
+use OCP\Files\IRootFolder;
+use OCP\IL10N;
 use OCP\IRequest;
 
 class LibresignController extends Controller {
@@ -15,16 +25,40 @@ class LibresignController extends Controller {
 	/** @var LibresignService */
 	private $service;
 
+	/** @var FileUserMapper */
+	private $fileUserMapper;
+	/** @var FileMapper */
+	private $fileMapper;
+	/** @var IRootFolder */
+	private $root;
+	/** @var IL10N */
+	private $l10n;
+	/** @var AccountService */
+	private $account;
+	/** @var JLibresignHandler */
+	private $libresignHandler;
 	/** @var string */
 	private $userId;
 
 	public function __construct(
 		IRequest $request,
 		LibresignService $service,
+		FileUserMapper $fileUserMapper,
+		FileMapper $fileMapper,
+		IRootFolder $root,
+		IL10N $l10n,
+		AccountService $account,
+		JLibresignHandler $libresignHandler,
 		$userId
 	) {
 		parent::__construct(Application::APP_ID, $request);
 		$this->service = $service;
+		$this->fileUserMapper = $fileUserMapper;
+		$this->fileMapper = $fileMapper;
+		$this->root = $root;
+		$this->l10n = $l10n;
+		$this->account = $account;
+		$this->libresignHandler = $libresignHandler;
 		$this->userId = $userId;
 	}
 
@@ -39,7 +73,7 @@ public function sign(
 		string $outputFolderPath = null,
 		string $certificatePath = null,
 		string $password = null
-	): DataResponse {
+	): JSONResponse {
 		try {
 			$this->checkParams([
 				'inputFilePath' => $inputFilePath,
@@ -50,9 +84,65 @@ public function sign(
 
 			$fileSigned = $this->service->sign($inputFilePath, $outputFolderPath, $certificatePath, $password);
 
-			return new DataResponse(['fileSigned' => $fileSigned->getInternalPath()]);
+			return new JSONResponse(
+				['fileSigned' => $fileSigned->getInternalPath()],
+				HTTP::STATUS_OK
+			);
 		} catch (\Exception $exception) {
-			return $this->handleErrors($exception);
+			return new JSONResponse(
+				[
+					'action' => JSActions::ACTION_DO_NOTHING,
+					'errors' => [$this->l10n->t($exception->getMessage())]
+				],
+				Http::STATUS_UNPROCESSABLE_ENTITY
+			);
+		}
+	}
+
+	/**
+	 * @NoAdminRequired
+	 * @NoCSRFRequired
+	 */
+	public function signUsingUuid(string $uuid, string $password): JSONResponse {
+		try {
+			$fileUser = $this->fileUserMapper->getByUuidAndUserId($uuid, $this->userId);
+			$fileData = $this->fileMapper->getById($fileUser->getLibresignFileId());
+			Filesystem::initMountPoints($fileData->getuserId());
+			$inputFile = $this->root->getById($fileData->getFileId());
+			if (count($inputFile) < 1) {
+				throw new LibresignException($this->l10n->t('File not found'));
+			}
+			$inputFile = $inputFile[0];
+			$signedFilePath = preg_replace(
+				'/' . $inputFile->getExtension() . '$/',
+				$this->l10n->t('signed').'.'.$inputFile->getExtension(),
+				$inputFile->getPath()
+			);
+			if ($this->root->nodeExists($signedFilePath)) {
+				$signedFile = $this->root->get($signedFilePath);
+				$inputFile = $signedFilePath;
+			}
+			$certificatePath = $this->account->getPfx($fileUser->getUserId());
+			list(, $signedContent) = $this->libresignHandler->signExistingFile($inputFile, $certificatePath, $password);
+			if (!$signedFile) {
+				$signedFile = $this->root->newFile($signedFilePath);
+			}
+			$signedFile->putContent($signedContent);
+			return new JSONResponse(
+				[
+					'action' => JSActions::ACTION_DO_NOTHING,
+					'message' => $this->l10n->t('File signed')
+				],
+				Http::STATUS_OK
+			);
+		} catch (\Throwable $th) {
+			return new JSONResponse(
+				[
+					'action' => JSActions::ACTION_DO_NOTHING,
+					'errors' => [$this->l10n->t('Invalid data to sign file')]
+				],
+				Http::STATUS_UNPROCESSABLE_ENTITY
+			);
 		}
 	}
 }

lib/Db/File.php

@@ -11,6 +11,8 @@
  * @method int getId()
  * @method void setFileId(int $fileId)
  * @method int getFileId()
+ * @method void setUserId(int $userId)
+ * @method int getUserId()
  * @method void setCreatedAt(string $createdAt)
  * @method string getCreatedAt()
  * @method void setDescription(string $description)

lib/Db/FileUserMapper.php

@@ -53,4 +53,19 @@ public function getByUuid(string $uuid) {
 
 		return $this->findEntity($qb);
 	}
+
+	public function getByUuidAndUserId(string $uuid, string $userId) {
+		$qb = $this->db->getQueryBuilder();
+
+		$qb->select('*')
+			->from($this->getTableName())
+			->where(
+				$qb->expr()->eq('uuid', $qb->createNamedParameter($uuid, IQueryBuilder::PARAM_STR))
+			)
+			->andWhere(
+				$qb->expr()->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR))
+			);
+
+		return $this->findEntity($qb);
+	}
 }

lib/Handler/JLibresignHandler.php

@@ -17,6 +17,8 @@ public function signExistingFile(
 			->setPdf($inputFile->getContent())
 			->setPassword($password)
 			->setTempPath('/tmp/')
+			->setIsUseJavaInstalled(true)
+			->setjSignPdfJarPath('/opt/jsignpdf-1.6.4/JSignPdf.jar')
 		;
 
 		$jSignPdf = new JSignPDF($param);

lib/Service/AccountService.php

@@ -22,8 +22,6 @@ class AccountService {
 	private $fileUserMapper;
 	/** @var IUserManager */
 	protected $userManager;
-	/** @var SignatureService */
-	private $signature;
 	/** @var FolderService */
 	private $folder;
 	/** @var IConfig */
@@ -32,12 +30,13 @@ class AccountService {
 	private $newUserMail;
 	/** @var CfsslHandler */
 	private $cfsslHandler;
+	/** @var string */
+	private $pdfFilename = 'signature.pfx';
 
 	public function __construct(
 		IL10N $l10n,
 		FileUserMapper $fileUserMapper,
 		IUserManager $userManager,
-		SignatureService $signature,
 		FolderService $folder,
 		IConfig $config,
 		NewUserMailHelper $newUserMail,
@@ -46,7 +45,6 @@ public function __construct(
 		$this->l10n = $l10n;
 		$this->fileUserMapper = $fileUserMapper;
 		$this->userManager = $userManager;
-		$this->signature = $signature;
 		$this->folder = $folder;
 		$this->config = $config;
 		$this->newUserMail = $newUserMail;
@@ -127,17 +125,25 @@ public function createToSign($uuid, $uid, $password, $signPassword) {
 	private function savePfx($uid, $content) {
 		Filesystem::initMountPoints($uid);
 		$folder = $this->folder->getFolderForUser();
-		$filename = 'signature.pfx';
-		if ($folder->nodeExists($filename)) {
-			$node = $folder->get($filename);
+		if ($folder->nodeExists($this->pdfFilename)) {
+			$node = $folder->get($this->pdfFilename);
 			if (!$node instanceof File) {
-				throw new LibresignException("path {$filename} already exists and is not a file!", 400);
+				throw new LibresignException("path {$this->pdfFilename} already exists and is not a file!", 400);
 			}
 			$node->putContent($content);
 			return $node;
 		}
 
-		$file = $folder->newFile($filename);
+		$file = $folder->newFile($this->pdfFilename);
 		$file->putContent($content);
 	}
+
+	public function getPfx($uid) {
+		Filesystem::initMountPoints($uid);
+		$folder = $this->folder->getFolderForUser();
+		if (!$folder->nodeExists($this->pdfFilename)) {
+			throw new LibresignException("Signature file not found!", 400);
+		}
+		return $folder->get($this->pdfFilename);
+	}
 }

lib/Service/FolderService.php

@@ -20,7 +20,7 @@ public function __construct(
 		IRootFolder $root,
 		IConfig $config,
 		IL10N $l10n,
-		string $userId
+		?string $userId
 	) {
 		$this->root = $root;
 		$this->config = $config;