server/core/Controller/NavigationController.php
Julius Härtl 11b6cc3f68
Replace logout href to avoid new etag on every request
Signed-off-by: Julius Härtl <jus@bitgrid.net>
2018-03-06 09:51:28 +01:00

121 lines
3.5 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2018 Julius Härtl <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 OC\Core\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\INavigationManager;
use OCP\IRequest;
use OCP\IURLGenerator;
class NavigationController extends OCSController {
/** @var INavigationManager */
private $navigationManager;
/** @var IURLGenerator */
private $urlGenerator;
public function __construct(string $appName, IRequest $request, INavigationManager $navigationManager, IURLGenerator $urlGenerator) {
parent::__construct($appName, $request);
$this->navigationManager = $navigationManager;
$this->urlGenerator = $urlGenerator;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @param bool $absolute
* @return DataResponse
*/
public function getAppsNavigation(bool $absolute = false): DataResponse {
$navigation = $this->navigationManager->getAll();
if ($absolute) {
$navigation = $this->rewriteToAbsoluteUrls($navigation);
}
$etag = $this->generateETag($navigation);
if ($this->request->getHeader('If-None-Match') === $etag) {
return new DataResponse([], Http::STATUS_NOT_MODIFIED);
}
$response = new DataResponse($navigation);
$response->setETag($etag);
return $response;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @param bool $absolute
* @return DataResponse
*/
public function getSettingsNavigation(bool $absolute = false): DataResponse {
$navigation = $this->navigationManager->getAll('settings');
if ($absolute) {
$navigation = $this->rewriteToAbsoluteUrls($navigation);
}
$etag = $this->generateETag($navigation);
if ($this->request->getHeader('If-None-Match') === $etag) {
return new DataResponse([], Http::STATUS_NOT_MODIFIED);
}
$response = new DataResponse($navigation);
$response->setETag($etag);
return $response;
}
/**
* Generate an ETag for a list of navigation entries
*
* @param array $navigation
* @return string
*/
private function generateETag(array $navigation): string {
foreach ($navigation as &$nav) {
if ($nav['id'] === 'logout') {
$nav['href'] = 'logout';
}
}
return md5(json_encode($navigation));
}
/**
* Rewrite href attribute of navigation entries to an absolute URL
*
* @param array $navigation
* @return array
*/
private function rewriteToAbsoluteUrls(array $navigation): array {
foreach ($navigation as &$entry) {
if (0 !== strpos($entry['href'], $this->urlGenerator->getBaseUrl())) {
$entry['href'] = $this->urlGenerator->getAbsoluteURL($entry['href']);
}
if (0 !== strpos($entry['icon'], $this->urlGenerator->getBaseUrl())) {
$entry['icon'] = $this->urlGenerator->getAbsoluteURL($entry['icon']);
}
}
return $navigation;
}
}