1 files changed, 130 insertions, 0 deletions

diff --git a/application/legacy/LegacyController.php b/application/legacy/LegacyController.php
new file mode 100644
index 00000000..a97b07b1
--- /dev/null
+++ b/application/legacy/LegacyController.php
@@ -0,0 +1,130 @@
+<?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);
+    }
+}