nextcloud/apps/theming/lib/Controller/IconController.php

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<?php
/**
* @copyright Copyright (c) 2016 Julius Haertl <jus@bitgrid.net>
*
* @author Joas Schilling <coding@schilljs.com>
* @author Julius Haertl <jus@bitgrid.net>
* @author Julius Härtl <jus@bitgrid.net>
*
* @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\Theming\Controller;
use OC\IntegrityCheck\Helpers\FileAccessHelper;
use OCA\Theming\IconBuilder;
use OCA\Theming\ImageManager;
use OCA\Theming\ThemingDefaults;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\NotFoundResponse;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\AppFramework\Http\DataDisplayResponse;
use OCP\AppFramework\Http\Response;
use OCP\Files\NotFoundException;
use OCP\IRequest;
class IconController extends Controller {
/** @var ThemingDefaults */
private $themingDefaults;
/** @var IconBuilder */
private $iconBuilder;
/** @var ImageManager */
private $imageManager;
/** @var FileAccessHelper */
private $fileAccessHelper;
/**
* IconController constructor.
*
* @param string $appName
* @param IRequest $request
* @param ThemingDefaults $themingDefaults
* @param IconBuilder $iconBuilder
* @param ImageManager $imageManager
* @param FileAccessHelper $fileAccessHelper
*/
public function __construct(
$appName,
IRequest $request,
ThemingDefaults $themingDefaults,
IconBuilder $iconBuilder,
ImageManager $imageManager,
FileAccessHelper $fileAccessHelper
) {
parent::__construct($appName, $request);
$this->themingDefaults = $themingDefaults;
$this->iconBuilder = $iconBuilder;
$this->imageManager = $imageManager;
$this->fileAccessHelper = $fileAccessHelper;
}
/**
* @PublicPage
* @NoCSRFRequired
*
* @param $app string app name
* @param $image string image file name (svg required)
* @return FileDisplayResponse|NotFoundResponse
* @throws \Exception
*/
public function getThemedIcon(string $app, string $image): Response {
try {
$iconFile = $this->imageManager->getCachedImage('icon-' . $app . '-' . str_replace('/', '_',$image));
} catch (NotFoundException $exception) {
$icon = $this->iconBuilder->colorSvg($app, $image);
if ($icon === false || $icon === '') {
return new NotFoundResponse();
}
$iconFile = $this->imageManager->setCachedImage('icon-' . $app . '-' . str_replace('/', '_',$image), $icon);
}
if ($iconFile !== false) {
$response = new FileDisplayResponse($iconFile, Http::STATUS_OK, ['Content-Type' => 'image/svg+xml']);
$response->cacheFor(86400);
return $response;
}
return new NotFoundResponse();
}
/**
* Return a 32x32 favicon as png
*
* @PublicPage
* @NoCSRFRequired
*
* @param $app string app name
* @return FileDisplayResponse|DataDisplayResponse
* @throws \Exception
*/
public function getFavicon(string $app = 'core'): Response {
$response = null;
$iconFile = null;
try {
$iconFile = $this->imageManager->getImage('favicon');
$response = new FileDisplayResponse($iconFile, Http::STATUS_OK, ['Content-Type' => 'image/x-icon']);
} catch (NotFoundException $e) {
}
if ($iconFile === null && $this->imageManager->shouldReplaceIcons()) {
try {
$iconFile = $this->imageManager->getCachedImage('favIcon-' . $app);
} catch (NotFoundException $exception) {
$icon = $this->iconBuilder->getFavicon($app);
$iconFile = $this->imageManager->setCachedImage('favIcon-' . $app, $icon);
}
if ($iconFile !== false) {
$response = new FileDisplayResponse($iconFile, Http::STATUS_OK, ['Content-Type' => 'image/x-icon']);
}
}
if($response === null) {
$fallbackLogo = \OC::$SERVERROOT . '/core/img/favicon.png';
$response = new DataDisplayResponse($this->fileAccessHelper->file_get_contents($fallbackLogo), Http::STATUS_OK, ['Content-Type' => 'image/x-icon']);
}
$response->cacheFor(86400);
return $response;
}
/**
* Return a 512x512 icon for touch devices
*
* @PublicPage
* @NoCSRFRequired
*
* @param $app string app name
* @return FileDisplayResponse|NotFoundResponse
* @throws \Exception
*/
public function getTouchIcon(string $app = 'core'): Response {
$response = null;
try {
$iconFile = $this->imageManager->getImage('favicon');
$response = new FileDisplayResponse($iconFile, Http::STATUS_OK, ['Content-Type' => 'image/x-icon']);
} catch (NotFoundException $e) {
}
if ($this->imageManager->shouldReplaceIcons()) {
try {
$iconFile = $this->imageManager->getCachedImage('touchIcon-' . $app);
} catch (NotFoundException $exception) {
$icon = $this->iconBuilder->getTouchIcon($app);
$iconFile = $this->imageManager->setCachedImage('touchIcon-' . $app, $icon);
}
if ($iconFile !== false) {
$response = new FileDisplayResponse($iconFile, Http::STATUS_OK, ['Content-Type' => 'image/png']);
}
}
if($response === null) {
$fallbackLogo = \OC::$SERVERROOT . '/core/img/favicon-touch.png';
$response = new DataDisplayResponse($this->fileAccessHelper->file_get_contents($fallbackLogo), Http::STATUS_OK, ['Content-Type' => 'image/png']);
}
$response->cacheFor(86400);
return $response;
}
}