--- /dev/null
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Legacy;
+
+use Shaarli\Feed\FeedBuilder;
+use Shaarli\Front\Controller\Visitor\ShaarliVisitorController;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+/**
+ * We use this to maintain legacy routes, and redirect requests to the corresponding Slim route.
+ * Only public routes, and both `?addlink` and `?post` were kept here.
+ * Other routes will just display the linklist.
+ *
+ * @deprecated
+ */
+class LegacyController extends ShaarliVisitorController
+{
+ /** @var string[] Both `?post` and `?addlink` do not use `?do=` format. */
+ public const LEGACY_GET_ROUTES = [
+ 'post',
+ 'addlink',
+ ];
+
+ /**
+ * This method will call `$action` method, which will redirect to corresponding Slim route.
+ */
+ public function process(Request $request, Response $response, string $action): Response
+ {
+ if (!method_exists($this, $action)) {
+ throw new UnknowLegacyRouteException();
+ }
+
+ return $this->{$action}($request, $response);
+ }
+
+ /** Legacy route: ?post= */
+ public function post(Request $request, Response $response): Response
+ {
+ $parameters = count($request->getQueryParams()) > 0 ? '?' . http_build_query($request->getQueryParams()) : '';
+
+ if (!$this->container->loginManager->isLoggedIn()) {
+ return $this->redirect($response, '/login' . $parameters);
+ }
+
+ return $this->redirect($response, '/admin/shaare' . $parameters);
+ }
+
+ /** Legacy route: ?addlink= */
+ protected function addlink(Request $request, Response $response): Response
+ {
+ if (!$this->container->loginManager->isLoggedIn()) {
+ return $this->redirect($response, '/login');
+ }
+
+ return $this->redirect($response, '/admin/add-shaare');
+ }
+
+ /** Legacy route: ?do=login */
+ protected function login(Request $request, Response $response): Response
+ {
+ return $this->redirect($response, '/login');
+ }
+
+ /** Legacy route: ?do=logout */
+ protected function logout(Request $request, Response $response): Response
+ {
+ return $this->redirect($response, '/logout');
+ }
+
+ /** Legacy route: ?do=picwall */
+ protected function picwall(Request $request, Response $response): Response
+ {
+ return $this->redirect($response, '/picture-wall');
+ }
+
+ /** Legacy route: ?do=tagcloud */
+ protected function tagcloud(Request $request, Response $response): Response
+ {
+ return $this->redirect($response, '/tags/cloud');
+ }
+
+ /** Legacy route: ?do=taglist */
+ protected function taglist(Request $request, Response $response): Response
+ {
+ return $this->redirect($response, '/tags/list');
+ }
+
+ /** Legacy route: ?do=daily */
+ protected function daily(Request $request, Response $response): Response
+ {
+ $dayParam = !empty($request->getParam('day')) ? '?day=' . escape($request->getParam('day')) : '';
+
+ return $this->redirect($response, '/daily' . $dayParam);
+ }
+
+ /** Legacy route: ?do=rss */
+ protected function rss(Request $request, Response $response): Response
+ {
+ return $this->feed($request, $response, FeedBuilder::$FEED_RSS);
+ }
+
+ /** Legacy route: ?do=atom */
+ protected function atom(Request $request, Response $response): Response
+ {
+ return $this->feed($request, $response, FeedBuilder::$FEED_ATOM);
+ }
+
+ /** Legacy route: ?do=opensearch */
+ protected function opensearch(Request $request, Response $response): Response
+ {
+ return $this->redirect($response, '/open-search');
+ }
+
+ /** Legacy route: ?do=dailyrss */
+ protected function dailyrss(Request $request, Response $response): Response
+ {
+ return $this->redirect($response, '/daily-rss');
+ }
+
+ /** Legacy route: ?do=feed */
+ protected function feed(Request $request, Response $response, string $feedType): Response
+ {
+ $parameters = count($request->getQueryParams()) > 0 ? '?' . http_build_query($request->getQueryParams()) : '';
+
+ return $this->redirect($response, '/feed/' . $feedType . $parameters);
+ }
+}