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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018, John Molakvoæ (skjnldsv@protonmail.com)
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Daniel Kesselberg <mail@danielkesselberg.de>
* @author Joas Schilling <coding@schilljs.com>
* @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
* @author Julius Härtl <jus@bitgrid.net>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Citharel <nextcloud@tcit.fr>
*
* @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 OC\Core\Controller;
use OC\Template\IconsCacher;
use OCP\App\AppPathNotFoundException;
use OCP\App\IAppManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataDisplayResponse;
use OCP\AppFramework\Http\NotFoundResponse;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\IRequest;
class SvgController extends Controller {
/** @var string */
protected $serverRoot;
/** @var ITimeFactory */
protected $timeFactory;
/** @var IAppManager */
protected $appManager;
/** @var IconsCacher */
private $iconsCacher;
public function __construct(string $appName,
IRequest $request,
ITimeFactory $timeFactory,
IAppManager $appManager,
IconsCacher $iconsCacher) {
parent::__construct($appName, $request);
$this->serverRoot = \OC::$SERVERROOT;
$this->timeFactory = $timeFactory;
$this->appManager = $appManager;
$this->iconsCacher = $iconsCacher;
}
/**
* @PublicPage
* @NoCSRFRequired
* @NoSameSiteCookieRequired
*
* Generate svg from filename with the requested color
*
* @param string $folder
* @param string $fileName
* @param string $color
* @return DataDisplayResponse|NotFoundResponse
*/
public function getSvgFromCore(string $folder, string $fileName, string $color = 'ffffff') {
$path = $this->serverRoot . "/core/img/$folder/$fileName.svg";
return $this->getSvg($path, $color, $fileName);
}
/**
* @PublicPage
* @NoCSRFRequired
* @NoSameSiteCookieRequired
*
* Generate svg from filename with the requested color
*
* @param string $app
* @param string $fileName
* @param string $color
* @return DataDisplayResponse|NotFoundResponse
*/
public function getSvgFromApp(string $app, string $fileName, string $color = 'ffffff') {
try {
$appPath = $this->appManager->getAppPath($app);
} catch (AppPathNotFoundException $e) {
return new NotFoundResponse();
}
$path = $appPath . "/img/$fileName.svg";
return $this->getSvg($path, $color, $fileName);
}
/**
* Generate svg from filename with the requested color
*
* @param string $path
* @param string $color
* @param string $fileName
* @return DataDisplayResponse|NotFoundResponse
*/
private function getSvg(string $path, string $color, string $fileName) {
if (!file_exists($path)) {
return new NotFoundResponse();
}
$svg = file_get_contents($path);
if ($svg === null) {
return new NotFoundResponse();
}
$svg = $this->iconsCacher->colorizeSvg($svg, $color);
$response = new DataDisplayResponse($svg, Http::STATUS_OK, ['Content-Type' => 'image/svg+xml']);
// Set cache control
$ttl = 31536000;
$response->cacheFor($ttl);
$response->addHeader('Content-Disposition', 'inline; filename="' . $fileName . '.svg"');
$expires = new \DateTime();
$expires->setTimestamp($this->timeFactory->getTime());
$expires->add(new \DateInterval('PT' . $ttl . 'S'));
$response->addHeader('Expires', $expires->format(\DateTime::RFC1123));
$response->addHeader('Pragma', 'cache');
return $response;
}
}
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