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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
*
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @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\Richdocuments\Controller;
use OCA\Richdocuments\TemplateManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Http\NotFoundResponse;
use OCP\Files\IMimeTypeDetector;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\IL10N;
use OCP\IPreview;
use OCP\IRequest;
use OC\Files\Filesystem;
use Psr\Log\LoggerInterface;
class TemplatesController extends Controller {
private IL10N $l10n;
private TemplateManager $manager;
private IPreview $preview;
private IMimeTypeDetector $mimeTypeDetector;
private LoggerInterface $logger;
/** @var int Max template size */
private $maxSize = 20 * 1024 * 1024;
/**
* Templates controller
*
* @param string $appName
* @param IRequest $request
* @param IL10N $l10n
* @param TemplateManager $manager
* @param IPreview $preview
*/
public function __construct($appName,
IRequest $request,
IL10N $l10n,
TemplateManager $manager,
IPreview $preview,
IMimeTypeDetector $mimeTypeDetector,
LoggerInterface $logger
) {
parent::__construct($appName, $request);
$this->appName = $appName;
$this->request = $request;
$this->l10n = $l10n;
$this->manager = $manager;
$this->preview = $preview;
$this->mimeTypeDetector = $mimeTypeDetector;
$this->logger = $logger;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* Get preview for a specific template
*
* @param int $fileId The template id
* @param int $x
* @param int $y
* @param bool $a
* @param bool $forceIcon
* @param string $mode
* @return DataResponse
* @throws NotFoundResponse
*/
public function getPreview($fileId,
$x = 150,
$y = 150,
$a = false,
$forceIcon = true,
$mode = 'fill') {
if ($fileId === '' || $x === 0 || $y === 0) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
try {
$template = $this->manager->get($fileId);
} catch (NotFoundException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
if ($template instanceof ISimpleFile) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
return $this->fetchPreview($template, $x, $y, $a, $forceIcon, $mode);
}
/**
* Add a global template
*
* @return JSONResponse
*/
public function add() {
$files = $this->request->getUploadedFile('files');
if (!is_null($files)) {
if ($files['error'][0] === 0
&& is_uploaded_file($files['tmp_name'][0])
&& !Filesystem::isFileBlacklisted($files['tmp_name'][0])) {
// TODO: ensure the size limit is decent for preview
if ($files['size'][0] > $this->maxSize) {
return new JSONResponse(
['data' => ['message' => $this->l10n->t('File is too big')]],
Http::STATUS_BAD_REQUEST
);
}
if (!$this->manager->isValidTemplateMime($mimeType)) {
return new JSONResponse(
['data' => ['message' => $this->l10n->t('Only template files can be uploaded')]],
Http::STATUS_BAD_REQUEST
);
}
$templateName = $files['name'];
$templateFile = file_get_contents($files['tmp_name']);
unlink($files['tmp_name']);
$template = $this->manager->add($templateName, $templateFile);
return new JSONResponse(
['data' => $template],
Http::STATUS_CREATED
);
}
}
return new JSONResponse(
['data' => ['message' => $this->l10n->t('Invalid file provided')]],
Http::STATUS_BAD_REQUEST
);
}
/**
* Delete a global template
*
* @param int $fileId
* @return JSONResponse
*/
public function delete($fileId) {
try {
$this->manager->delete($fileId);
return new JSONResponse(
['data' => ['status' => 'success']],
Http::STATUS_NO_CONTENT
);
} catch (NotFoundException $e) {
return new JSONResponse(
['data' => ['message' => $this->l10n->t('Template not found')]],
Http::STATUS_NOT_FOUND
);
}
}
/**
* @param Node $node
* @param int $x
* @param int $y
* @param bool $a
* @param bool $forceIcon
* @param string $mode
* @return DataResponse|FileDisplayResponse
*/
private function fetchPreview(
Node $node,
int $x,
int $y,
bool $a = false,
bool $forceIcon = true,
string $mode = IPreview::MODE_FILL): Http\Response {
if (!($node instanceof Node) || (!$forceIcon && !$this->preview->isAvailable($node))) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
if (!$node->isReadable()) {
return new DataResponse([], Http::STATUS_FORBIDDEN);
}
try {
$f = $this->preview->getPreview($node, $x, $y, !$a, $mode);
$response = new FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]);
$response->cacheFor(3600 * 24);
return $response;
} catch (NotFoundException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
} catch (\InvalidArgumentException $e) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
}
}
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