1 files changed, 106 insertions, 0 deletions
diff --git a/core/Controller/NavigationController.php b/core/Controller/NavigationController.php
new file mode 100644
index 00000000000..017061ef979
--- /dev/null
+++ b/core/Controller/NavigationController.php
@@ -0,0 +1,106 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Core\Controller;
+
+use OC\Core\ResponseDefinitions;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\ApiRoute;
+use OCP\AppFramework\Http\Attribute\NoAdminRequired;
+use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\OCSController;
+use OCP\INavigationManager;
+use OCP\IRequest;
+use OCP\IURLGenerator;
+
+/**
+ * @psalm-import-type CoreNavigationEntry from ResponseDefinitions
+ */
+class NavigationController extends OCSController {
+	public function __construct(
+		string $appName,
+		IRequest $request,
+		private INavigationManager $navigationManager,
+		private IURLGenerator $urlGenerator,
+	) {
+		parent::__construct($appName, $request);
+	}
+
+	/**
+	 * Get the apps navigation
+	 *
+	 * @param bool $absolute Rewrite URLs to absolute ones
+	 * @return DataResponse<Http::STATUS_OK, list<CoreNavigationEntry>, array{}>|DataResponse<Http::STATUS_NOT_MODIFIED, list<empty>, array{}>
+	 *
+	 * 200: Apps navigation returned
+	 * 304: No apps navigation changed
+	 */
+	#[NoAdminRequired]
+	#[NoCSRFRequired]
+	#[ApiRoute(verb: 'GET', url: '/navigation/apps', root: '/core')]
+	public function getAppsNavigation(bool $absolute = false): DataResponse {
+		$navigation = $this->navigationManager->getAll();
+		if ($absolute) {
+			$navigation = $this->rewriteToAbsoluteUrls($navigation);
+		}
+		$navigation = array_values($navigation);
+		$response = new DataResponse($navigation);
+		$response->setETag($this->generateETag($navigation));
+		return $response;
+	}
+
+	/**
+	 * Get the settings navigation
+	 *
+	 * @param bool $absolute Rewrite URLs to absolute ones
+	 * @return DataResponse<Http::STATUS_OK, list<CoreNavigationEntry>, array{}>|DataResponse<Http::STATUS_NOT_MODIFIED, list<empty>, array{}>
+	 *
+	 * 200: Apps navigation returned
+	 * 304: No apps navigation changed
+	 */
+	#[NoAdminRequired]
+	#[NoCSRFRequired]
+	#[ApiRoute(verb: 'GET', url: '/navigation/settings', root: '/core')]
+	public function getSettingsNavigation(bool $absolute = false): DataResponse {
+		$navigation = $this->navigationManager->getAll('settings');
+		if ($absolute) {
+			$navigation = $this->rewriteToAbsoluteUrls($navigation);
+		}
+		$navigation = array_values($navigation);
+		$response = new DataResponse($navigation);
+		$response->setETag($this->generateETag($navigation));
+		return $response;
+	}
+
+	/**
+	 * Generate an ETag for a list of navigation entries
+	 */
+	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
+	 */
+	private function rewriteToAbsoluteUrls(array $navigation): array {
+		foreach ($navigation as &$entry) {
+			/* If parse_url finds no host it means the URL is not absolute */
+			if (!isset(\parse_url($entry['href'])['host'])) {
+				$entry['href'] = $this->urlGenerator->getAbsoluteURL($entry['href']);
+			}
+			if (!str_starts_with($entry['icon'], $this->urlGenerator->getBaseUrl())) {
+				$entry['icon'] = $this->urlGenerator->getAbsoluteURL($entry['icon']);
+			}
+		}
+		return $navigation;
+	}
+}