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author | John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com> | 2018-06-25 11:17:00 +0200 |
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committer | Julius Härtl <jus@bitgrid.net> | 2018-07-19 08:16:30 +0200 |
commit | 84e90e26c0a257c11ebdd05e01046e1a90e6c9bd (patch) | |
tree | e5f137e5dd41cfc49e02645dd9de872633676e36 /core/Controller | |
parent | b7e32df6603720c7f58b93a97b68cc841c0ad2ff (diff) | |
download | nextcloud-server-84e90e26c0a257c11ebdd05e01046e1a90e6c9bd.tar.gz nextcloud-server-84e90e26c0a257c11ebdd05e01046e1a90e6c9bd.zip |
Svg color api
Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
Diffstat (limited to 'core/Controller')
-rw-r--r-- | core/Controller/JsController.php | 4 | ||||
-rw-r--r-- | core/Controller/SvgController.php | 97 |
2 files changed, 99 insertions, 2 deletions
diff --git a/core/Controller/JsController.php b/core/Controller/JsController.php index 3fc48e9a380..f91fe8f75d5 100644 --- a/core/Controller/JsController.php +++ b/core/Controller/JsController.php @@ -57,8 +57,8 @@ class JsController extends Controller { * @PublicPage * @NoCSRFRequired * - * @param string $fileName css filename with extension - * @param string $appName css folder name + * @param string $fileName js filename with extension + * @param string $appName js folder name * @return FileDisplayResponse|NotFoundResponse */ public function getJs(string $fileName, string $appName): Response { diff --git a/core/Controller/SvgController.php b/core/Controller/SvgController.php new file mode 100644 index 00000000000..b2202f88a24 --- /dev/null +++ b/core/Controller/SvgController.php @@ -0,0 +1,97 @@ +<?php +declare (strict_types = 1); +/** + * @copyright Copyright (c) 2018, John Molakvoæ (skjnldsv@protonmail.com) + * + * @author 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 OC\Core\Controller; + +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\Files\NotFoundException; +use OCP\IRequest; + +class SvgController extends Controller { + + /** @var string */ + protected $serverRoot; + + /** @var ITimeFactory */ + protected $timeFactory; + + public function __construct(string $appName, + IRequest $request, + ITimeFactory $timeFactory) { + parent::__construct($appName, $request); + + $this->serverRoot = \OC::$SERVERROOT; + $this->timeFactory = $timeFactory; + } + + /** + * @NoAdminRequired + * @NoCSRFRequired + * + * Generate svg from filename with the requested color + * + * @param string $fileName + * @param string $color + * @return DataDisplayResponse|NotFoundException + */ + public function getSvg(string $fileName, $color = 'ffffff') { + $path = $this->serverRoot . "/core/img/actions/$fileName.svg"; + if (!file_exists($path)) { + return new NotFoundResponse(); + } + + $svg = file_get_contents($path); + + if (is_null($svg)) { + return new NotFoundResponse(); + } + + // add fill (fill is not present on black elements) + $fillRe = '/<((circle|rect|path)((?!fill)[a-z0-9 =".\-#])+)\/>/mi'; + + $svg = preg_replace($fillRe, '<$1 fill="#' . $color . '"/>', $svg); + + // replace any fill or stroke colors + $svg = preg_replace('/stroke="#([a-z0-9]{3,6})"/mi', 'stroke="#' . $color . '"', $svg); + $svg = preg_replace('/fill="#([a-z0-9]{3,6})"/mi', 'fill="#' . $color . '"', $svg); + + $response = new DataDisplayResponse($svg, Http::STATUS_OK, ['Content-Type' => 'image/svg+xml']); + + // Set cache control + $ttl = 31536000; + $response->addHeader('Cache-Control', 'max-age=' . $ttl . ', immutable'); + $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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