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<?php |
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declare (strict_types = 1); |
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/** |
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* @copyright Copyright (c) 2018, John Molakvoæ ([email protected]) |
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* |
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* @author John Molakvoæ (skjnldsv) <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\Core\Controller; |
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use OCP\AppFramework\Controller; |
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use OCP\AppFramework\Http; |
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use OCP\AppFramework\Http\DataDisplayResponse; |
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use OCP\AppFramework\Http\NotFoundResponse; |
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use OCP\AppFramework\Utility\ITimeFactory; |
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use OCP\Files\NotFoundException; |
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use OCP\App\IAppManager; |
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use OCP\IRequest; |
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class SvgController extends Controller { |
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/** @var string */ |
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protected $serverRoot; |
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/** @var ITimeFactory */ |
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protected $timeFactory; |
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/** @var IAppManager */ |
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protected $appManager; |
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public function __construct(string $appName, |
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IRequest $request, |
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ITimeFactory $timeFactory, |
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IAppManager $appManager) { |
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parent::__construct($appName, $request); |
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$this->serverRoot = \OC::$SERVERROOT; |
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$this->timeFactory = $timeFactory; |
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$this->appManager = $appManager; |
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} |
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/** |
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* @NoAdminRequired |
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* @NoCSRFRequired |
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* |
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* Generate svg from filename with the requested color |
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* |
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* @param string $folder |
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* @param string $fileName |
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* @param string $color |
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* @return DataDisplayResponse|NotFoundResponse |
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*/ |
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public function getSvgFromCore(string $folder, string $fileName, string $color = 'ffffff') { |
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$path = $this->serverRoot . "/core/img/$folder/$fileName.svg"; |
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return $this->getSvg($path, $color, $fileName); |
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} |
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/** |
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* @NoAdminRequired |
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* @NoCSRFRequired |
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* |
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* Generate svg from filename with the requested color |
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* |
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* @param string $app |
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* @param string $fileName |
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* @param string $color |
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* @return DataDisplayResponse|NotFoundResponse |
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*/ |
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public function getSvgFromApp(string $app, string $fileName, string $color = 'ffffff') { |
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if ($app === 'settings') { |
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$path = $this->serverRoot . "/settings/img/$fileName.svg"; |
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return $this->getSvg($path, $color, $fileName); |
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} |
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$appRootPath = $this->appManager->getAppPath($app); |
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$appPath = substr($appRootPath, strlen($this->serverRoot)); |
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if (!$appPath) { |
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return new NotFoundResponse(); |
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} |
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$path = $this->serverRoot . $appPath ."/img/$fileName.svg"; |
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return $this->getSvg($path, $color, $fileName); |
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} |
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/** |
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* Generate svg from filename with the requested color |
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* |
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* @param string $path |
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* @param string $color |
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* @return DataDisplayResponse|NotFoundResponse |
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*/ |
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private function getSvg(string $path, string $color, string $fileName) { |
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if (!file_exists($path)) { |
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return new NotFoundResponse(); |
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} |
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$svg = file_get_contents($path); |
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if (is_null($svg)) { |
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return new NotFoundResponse(); |
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} |
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// add fill (fill is not present on black elements) |
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$fillRe = '/<((circle|rect|path)((?!fill)[a-z0-9 =".\-#():;])+)\/>/mi'; |
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$svg = preg_replace($fillRe, '<$1 fill="#' . $color . '"/>', $svg); |
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// replace any fill or stroke colors |
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$svg = preg_replace('/stroke="#([a-z0-9]{3,6})"/mi', 'stroke="#' . $color . '"', $svg); |
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$svg = preg_replace('/fill="#([a-z0-9]{3,6})"/mi', 'fill="#' . $color . '"', $svg); |
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$response = new DataDisplayResponse($svg, Http::STATUS_OK, ['Content-Type' => 'image/svg+xml']); |
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// Set cache control |
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$ttl = 31536000; |
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$response->cacheFor($ttl); |
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$response->addHeader('Content-Disposition', 'inline; filename="' . $fileName . '.svg"'); |
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$expires = new \DateTime(); |
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$expires->setTimestamp($this->timeFactory->getTime()); |
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$expires->add(new \DateInterval('PT' . $ttl . 'S')); |
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$response->addHeader('Expires', $expires->format(\DateTime::RFC1123)); |
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$response->addHeader('Pragma', 'cache'); |
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return $response; |
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} |
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} |
nextcloud /
server
