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Diffstat (limited to 'apps/accessibility/lib/Controller/AccessibilityController.php')
| -rw-r--r-- | apps/accessibility/lib/Controller/AccessibilityController.php | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/apps/accessibility/lib/Controller/AccessibilityController.php b/apps/accessibility/lib/Controller/AccessibilityController.php new file mode 100644 index 00000000000..ee1f42dfebb --- /dev/null +++ b/apps/accessibility/lib/Controller/AccessibilityController.php @@ -0,0 +1,168 @@ +<?php +declare (strict_types = 1); +/** + * @copyright Copyright (c) 2018 John Molakvoæ (skjnldsv) <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\Accessibility\Controller; + +use Leafo\ScssPhp\Compiler; +use Leafo\ScssPhp\Exception\ParserException; +use Leafo\ScssPhp\Formatter\Crunched; +use OCP\AppFramework\Controller; +use OCP\AppFramework\Http; +use OCP\AppFramework\Http\DataDisplayResponse; +use OCP\AppFramework\Utility\ITimeFactory; +use OCP\IConfig; +use OCP\ILogger; +use OCP\IRequest; +use OCP\IURLGenerator; +use OCP\IUserManager; +use OCP\IUserSession; + +class AccessibilityController extends Controller { + + /** @var string */ + protected $appName; + + /** @var string */ + protected $serverRoot; + + /** @var IConfig */ + private $config; + + /** @var IUserManager */ + private $userManager; + + /** @var ILogger */ + private $logger; + + /** @var IURLGenerator */ + private $urlGenerator; + + /** @var ITimeFactory */ + protected $timeFactory; + + /** @var IUserSession */ + private $userSession; + + /** + * Account constructor. + * + * @param string $appName + * @param IRequest $request + * @param IConfig $config + * @param IUserManager $userManager + * @param ILogger $logger + * @param IURLGenerator $urlGenerator + * @param ITimeFactory $timeFactory + * @param IUserSession $userSession + */ + public function __construct(string $appName, + IRequest $request, + IConfig $config, + IUserManager $userManager, + ILogger $logger, + IURLGenerator $urlGenerator, + ITimeFactory $timeFactory, + IUserSession $userSession) { + parent::__construct($appName, $request); + $this->config = $config; + $this->userManager = $userManager; + $this->logger = $logger; + $this->urlGenerator = $urlGenerator; + $this->timeFactory = $timeFactory; + $this->userSession = $userSession; + + $this->serverRoot = \OC::$SERVERROOT; + $this->appRoot = \OC_App::getAppPath($this->appName); + } + + /** + * @NoAdminRequired + * @NoCSRFRequired + * + * @return DataResponse + */ + public function getCss(): DataDisplayResponse { + + $css = ''; + $imports = ''; + + foreach ($this->getUserValues() as $scssFile) { + if ($scssFile !== false) { + $imports .= '@import "' . $scssFile . '";'; + } + } + + if ($imports !== '') { + $scss = new Compiler(); + $scss->setImportPaths([ + $this->appRoot . '/css/', + $this->serverRoot . '/core/css/' + ]); + + // Continue after throw + $scss->setIgnoreErrors(true); + $scss->setFormatter(Crunched::class); + + // Compile + try { + $css .= $scss->compile( + $imports . + '@import "variables.scss";' . + '@import "css-variables.scss";' + ); + } catch (ParserException $e) { + $this->logger->error($e->getMessage(), ['app' => 'core']); + } + } + + // We don't want to override vars with url since path is different + $css = $this->filterOutRule('/--[a-z-:]+url\([^;]+\)/mi', $css); + + $response = new DataDisplayResponse($css, Http::STATUS_OK, ['Content-Type' => 'text/css']); + + $ttl = 31536000; + $response->addHeader('Cache-Control', 'max-age=' . $ttl . ', immutable'); + + $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; + } + + private function getUserValues() { + $userTheme = $this->config->getUserValue($this->userSession->getUser()->getUID(), 'accessibility', 'theme', false); + $userFont = $this->config->getUserValue($this->userSession->getUser()->getUID(), 'accessibility', 'font', false); + + return [ + 'theme' => $userTheme, + 'font' => $userFont + ]; + } + + private function filterOutRule(string $rule, string $css) { + return preg_replace($rule, '', $css); + } + +} |