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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021 Julien Veyssier <eneiluj@posteo.net>
*
* @author Julien Veyssier <eneiluj@posteo.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Text\Controller;
use Exception;
use OCA\Text\Service\SessionService;
use OCP\AppFramework\Http;
use OCA\Text\Service\ImageService;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataDisplayResponse;
use OCP\AppFramework\Http\DataResponse;
use OCP\IRequest;
use Psr\Log\LoggerInterface;
class ImageController extends Controller {
public const IMAGE_MIME_TYPES = [
'image/png',
'image/jpeg',
'image/jpg',
'image/gif',
'image/x-xbitmap',
'image/x-ms-bmp',
'image/bmp',
'image/svg+xml',
'image/webp',
];
/**
* @var string|null
*/
private $userId;
/**
* @var ImageService
*/
private $imageService;
/**
* @var LoggerInterface
*/
private $logger;
/**
* @var SessionService
*/
private $sessionService;
public function __construct(string $appName,
IRequest $request,
LoggerInterface $logger,
ImageService $imageService,
SessionService $sessionService,
?string $userId) {
parent::__construct($appName, $request);
$this->userId = $userId;
$this->imageService = $imageService;
$this->request = $request;
$this->logger = $logger;
$this->sessionService = $sessionService;
}
/**
* @NoAdminRequired
* @PublicPage
*
* @param int $documentId
* @param int $sessionId
* @param string $sessionToken
* @param string $imagePath
* @return DataResponse
*/
public function insertImageFile(int $documentId, int $sessionId, string $sessionToken, string $imagePath): DataResponse {
if (!$this->sessionService->isValidSession($documentId, $sessionId, $sessionToken)) {
return new DataResponse([], Http::STATUS_INTERNAL_SERVER_ERROR);
}
$session = $this->sessionService->getSession($documentId, $sessionId, $sessionToken);
$userId = $session->getUserId();
try {
$insertResult = $this->imageService->insertImageFile($documentId, $imagePath, $userId);
if (isset($insertResult['error'])) {
return new DataResponse($insertResult, Http::STATUS_BAD_REQUEST);
} else {
return new DataResponse($insertResult);
}
} catch (Exception $e) {
$this->logger->error('File insertion error', ['exception' => $e]);
return new DataResponse(['error' => 'File insertion error'], Http::STATUS_BAD_REQUEST);
}
}
/**
* @NoAdminRequired
* @PublicPage
*
* @param string $link
* @param int $documentId
* @param int $sessionId
* @param string $sessionToken
* @param string|null $shareToken
* @return DataResponse
*/
public function insertImageLink(string $link, int $documentId, int $sessionId, string $sessionToken, ?string $shareToken = null): DataResponse {
if (!$this->sessionService->isValidSession($documentId, $sessionId, $sessionToken)) {
return new DataResponse([], Http::STATUS_INTERNAL_SERVER_ERROR);
}
try {
if ($shareToken) {
$downloadResult = $this->imageService->insertImageLinkPublic($documentId, $link, $shareToken);
} else {
$session = $this->sessionService->getSession($documentId, $sessionId, $sessionToken);
$userId = $session->getUserId();
$downloadResult = $this->imageService->insertImageLink($documentId, $link, $userId);
}
if (isset($downloadResult['error'])) {
return new DataResponse($downloadResult, Http::STATUS_BAD_REQUEST);
} else {
return new DataResponse($downloadResult);
}
} catch (Exception $e) {
$this->logger->error('Link insertion error', ['exception' => $e]);
return new DataResponse(['error' => 'Link insertion error'], Http::STATUS_BAD_REQUEST);
}
}
/**
* @NoAdminRequired
* @PublicPage
*
* @param int $documentId
* @param int $sessionId
* @param string $sessionToken
* @param string|null $shareToken
* @return DataResponse
*/
public function uploadImage(int $documentId, int $sessionId, string $sessionToken, ?string $shareToken = null): DataResponse {
if (!$this->sessionService->isValidSession($documentId, $sessionId, $sessionToken)) {
return new DataResponse([], Http::STATUS_INTERNAL_SERVER_ERROR);
}
try {
$file = $this->request->getUploadedFile('image');
if ($file !== null && isset($file['tmp_name'], $file['name'], $file['type'])) {
if (!in_array($file['type'], self::IMAGE_MIME_TYPES)) {
return new DataResponse(['error' => 'Image type not supported'], Http::STATUS_BAD_REQUEST);
}
$newFileContent = file_get_contents($file['tmp_name']);
$newFileName = $file['name'];
if ($shareToken) {
$uploadResult = $this->imageService->uploadImagePublic($documentId, $newFileName, $newFileContent, $shareToken);
} else {
$session = $this->sessionService->getSession($documentId, $sessionId, $sessionToken);
$userId = $session->getUserId();
$uploadResult = $this->imageService->uploadImage($documentId, $newFileName, $newFileContent, $userId);
}
if (isset($uploadResult['error'])) {
return new DataResponse($uploadResult, Http::STATUS_BAD_REQUEST);
} else {
return new DataResponse($uploadResult);
}
} else {
return new DataResponse(['error' => 'No uploaded file'], Http::STATUS_BAD_REQUEST);
}
} catch (Exception $e) {
$this->logger->error('Upload error', ['exception' => $e]);
return new DataResponse(['error' => 'Upload error'], Http::STATUS_BAD_REQUEST);
}
}
/**
* @NoAdminRequired
* @NoCSRFRequired
* @PublicPage
*
* Serve the images in the editor
* @param int $documentId
* @param int $sessionId
* @param string $sessionToken
* @param string|null $shareToken
* @param string $imageFileName
* @return DataDisplayResponse
*/
public function getImage(int $documentId, int $sessionId, string $sessionToken, ?string $shareToken = null, string $imageFileName): DataDisplayResponse {
if (!$this->sessionService->isValidSession($documentId, $sessionId, $sessionToken)) {
return new DataDisplayResponse('', Http::STATUS_NOT_FOUND);
}
try {
if ($shareToken) {
$imageFile = $this->imageService->getImagePublic($documentId, $imageFileName, $shareToken);
} else {
$imageFile = $this->imageService->getImage($documentId, $imageFileName, $this->userId);
}
if ($imageFile !== null) {
return new DataDisplayResponse($imageFile->getContent(), Http::STATUS_OK, ['Content-Type' => $imageFile->getMimeType()]);
} else {
return new DataDisplayResponse('', Http::STATUS_NOT_FOUND);
}
} catch (Exception $e) {
$this->logger->error('getImage error', ['exception' => $e]);
return new DataDisplayResponse('', Http::STATUS_NOT_FOUND);
}
}
}
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