3 files changed, 326 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);
+    }
+}
diff --git a/application/legacy/LegacyRouter.php b/application/legacy/LegacyRouter.php
new file mode 100644
index 00000000..cea99154
--- /dev/null
+++ b/application/legacy/LegacyRouter.php
@@ -0,0 +1,187 @@
+<?php
+
+namespace Shaarli\Legacy;
+
+/**
+ * Class Router
+ *
+ * (only displayable pages here)
+ *
+ * @deprecated
+ */
+class LegacyRouter
+{
+    public static $AJAX_THUMB_UPDATE = 'ajax_thumb_update';
+
+    public static $PAGE_LOGIN = 'login';
+
+    public static $PAGE_PICWALL = 'picwall';
+
+    public static $PAGE_TAGCLOUD = 'tagcloud';
+
+    public static $PAGE_TAGLIST = 'taglist';
+
+    public static $PAGE_DAILY = 'daily';
+
+    public static $PAGE_FEED_ATOM = 'atom';
+
+    public static $PAGE_FEED_RSS = 'rss';
+
+    public static $PAGE_TOOLS = 'tools';
+
+    public static $PAGE_CHANGEPASSWORD = 'changepasswd';
+
+    public static $PAGE_CONFIGURE = 'configure';
+
+    public static $PAGE_CHANGETAG = 'changetag';
+
+    public static $PAGE_ADDLINK = 'addlink';
+
+    public static $PAGE_EDITLINK = 'edit_link';
+
+    public static $PAGE_DELETELINK = 'delete_link';
+
+    public static $PAGE_CHANGE_VISIBILITY = 'change_visibility';
+
+    public static $PAGE_PINLINK = 'pin';
+
+    public static $PAGE_EXPORT = 'export';
+
+    public static $PAGE_IMPORT = 'import';
+
+    public static $PAGE_OPENSEARCH = 'opensearch';
+
+    public static $PAGE_LINKLIST = 'linklist';
+
+    public static $PAGE_PLUGINSADMIN = 'pluginadmin';
+
+    public static $PAGE_SAVE_PLUGINSADMIN = 'save_pluginadmin';
+
+    public static $PAGE_THUMBS_UPDATE = 'thumbs_update';
+
+    public static $GET_TOKEN = 'token';
+
+    /**
+     * Reproducing renderPage() if hell, to avoid regression.
+     *
+     * This highlights how bad this needs to be rewrite,
+     * but let's focus on plugins for now.
+     *
+     * @param string $query    $_SERVER['QUERY_STRING'].
+     * @param array  $get      $_SERVER['GET'].
+     * @param bool   $loggedIn true if authenticated user.
+     *
+     * @return string page found.
+     */
+    public static function findPage($query, $get, $loggedIn)
+    {
+        $loggedIn = ($loggedIn === true) ? true : false;
+
+        if (empty($query) && !isset($get['edit_link']) && !isset($get['post'])) {
+            return self::$PAGE_LINKLIST;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_LOGIN) && $loggedIn === false) {
+            return self::$PAGE_LOGIN;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_PICWALL)) {
+            return self::$PAGE_PICWALL;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_TAGCLOUD)) {
+            return self::$PAGE_TAGCLOUD;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_TAGLIST)) {
+            return self::$PAGE_TAGLIST;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_OPENSEARCH)) {
+            return self::$PAGE_OPENSEARCH;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_DAILY)) {
+            return self::$PAGE_DAILY;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_FEED_ATOM)) {
+            return self::$PAGE_FEED_ATOM;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_FEED_RSS)) {
+            return self::$PAGE_FEED_RSS;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_THUMBS_UPDATE)) {
+            return self::$PAGE_THUMBS_UPDATE;
+        }
+
+        if (startsWith($query, 'do=' . self::$AJAX_THUMB_UPDATE)) {
+            return self::$AJAX_THUMB_UPDATE;
+        }
+
+        // At this point, only loggedin pages.
+        if (!$loggedIn) {
+            return self::$PAGE_LINKLIST;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_TOOLS)) {
+            return self::$PAGE_TOOLS;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_CHANGEPASSWORD)) {
+            return self::$PAGE_CHANGEPASSWORD;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_CONFIGURE)) {
+            return self::$PAGE_CONFIGURE;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_CHANGETAG)) {
+            return self::$PAGE_CHANGETAG;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_ADDLINK)) {
+            return self::$PAGE_ADDLINK;
+        }
+
+        if (isset($get['edit_link']) || isset($get['post'])) {
+            return self::$PAGE_EDITLINK;
+        }
+
+        if (isset($get['delete_link'])) {
+            return self::$PAGE_DELETELINK;
+        }
+
+        if (isset($get[self::$PAGE_CHANGE_VISIBILITY])) {
+            return self::$PAGE_CHANGE_VISIBILITY;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_PINLINK)) {
+            return self::$PAGE_PINLINK;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_EXPORT)) {
+            return self::$PAGE_EXPORT;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_IMPORT)) {
+            return self::$PAGE_IMPORT;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_PLUGINSADMIN)) {
+            return self::$PAGE_PLUGINSADMIN;
+        }
+
+        if (startsWith($query, 'do=' . self::$PAGE_SAVE_PLUGINSADMIN)) {
+            return self::$PAGE_SAVE_PLUGINSADMIN;
+        }
+
+        if (startsWith($query, 'do=' . self::$GET_TOKEN)) {
+            return self::$GET_TOKEN;
+        }
+
+        return self::$PAGE_LINKLIST;
+    }
+}
diff --git a/application/legacy/UnknowLegacyRouteException.php b/application/legacy/UnknowLegacyRouteException.php
new file mode 100644
index 00000000..ae1518ad
--- /dev/null
+++ b/application/legacy/UnknowLegacyRouteException.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Legacy;
+
+class UnknowLegacyRouteException extends \Exception
+{
+}