3 files changed, 48 insertions, 11 deletions

diff --git a/application/legacy/LegacyController.php b/application/legacy/LegacyController.php
index 26465d2c..e16dd0f4 100644
--- a/application/legacy/LegacyController.php
+++ b/application/legacy/LegacyController.php
@@ -40,28 +40,33 @@ class LegacyController extends ShaarliVisitorController
     public function post(Request $request, Response $response): Response
     {
         $parameters = count($request->getQueryParams()) > 0 ? '?' . http_build_query($request->getQueryParams()) : '';
+        $route = '/admin/shaare';
 
         if (!$this->container->loginManager->isLoggedIn()) {
-            return $this->redirect($response, '/login' . $parameters);
+            return $this->redirect($response, '/login?returnurl='. $this->getBasePath() . $route . $parameters);
         }
 
-        return $this->redirect($response, '/admin/shaare' . $parameters);
+        return $this->redirect($response, $route . $parameters);
     }
 
     /** Legacy route: ?addlink= */
     protected function addlink(Request $request, Response $response): Response
     {
+        $route = '/admin/add-shaare';
+
         if (!$this->container->loginManager->isLoggedIn()) {
-            return $this->redirect($response, '/login');
+            return $this->redirect($response, '/login?returnurl=' . $this->getBasePath() . $route);
         }
 
-        return $this->redirect($response, '/admin/add-shaare');
+        return $this->redirect($response, $route);
     }
 
     /** Legacy route: ?do=login */
     protected function login(Request $request, Response $response): Response
     {
-        return $this->redirect($response, '/login');
+        $returnUrl = $request->getQueryParam('returnurl');
+
+        return $this->redirect($response, '/login' . ($returnUrl ? '?returnurl=' . $returnUrl : ''));
     }
 
     /** Legacy route: ?do=logout */
@@ -127,4 +132,21 @@ class LegacyController extends ShaarliVisitorController
 
         return $this->redirect($response, '/feed/' . $feedType . $parameters);
     }
+
+    /** Legacy route: ?do=configure */
+    protected function configure(Request $request, Response $response): Response
+    {
+        $route = '/admin/configure';
+
+        if (!$this->container->loginManager->isLoggedIn()) {
+            return $this->redirect($response, '/login?returnurl=' . $this->getBasePath() . $route);
+        }
+
+        return $this->redirect($response, $route);
+    }
+
+    protected function getBasePath(): string
+    {
+        return $this->container->basePath ?: '';
+    }
 }
diff --git a/assets/default/js/base.js b/assets/default/js/base.js
index 0f29799d..27938823 100644
--- a/assets/default/js/base.js
+++ b/assets/default/js/base.js
@@ -25,16 +25,18 @@ function findParent(element, tagName, attributes) {
 /**
  * Ajax request to refresh the CSRF token.
  */
-function refreshToken(basePath) {
-  console.log('refresh');
+function refreshToken(basePath, callback) {
   const xhr = new XMLHttpRequest();
   xhr.open('GET', `${basePath}/admin/token`);
   xhr.onload = () => {
     const elements = document.querySelectorAll('input[name="token"]');
     [...elements].forEach((element) => {
-      console.log(element);
       element.setAttribute('value', xhr.responseText);
     });
+
+    if (callback) {
+      callback(xhr.response);
+    }
   };
   xhr.send();
 }
@@ -622,4 +624,15 @@ function init(description) {
   [...autocompleteFields].forEach((autocompleteField) => {
     awesomepletes.push(createAwesompleteInstance(autocompleteField));
   });
+
+  const exportForm = document.querySelector('#exportform');
+  if (exportForm != null) {
+    exportForm.addEventListener('submit', (event) => {
+      event.preventDefault();
+
+      refreshToken(basePath, () => {
+        event.target.submit();
+      });
+    });
+  }
 })();
diff --git a/tests/legacy/LegacyControllerTest.php b/tests/legacy/LegacyControllerTest.php
index 759a5b2a..4e52f3e1 100644
--- a/tests/legacy/LegacyControllerTest.php
+++ b/tests/legacy/LegacyControllerTest.php
@@ -66,11 +66,11 @@ class LegacyControllerTest extends TestCase
     {
         return [
             ['post', [], '/admin/shaare', true],
-            ['post', [], '/login', false],
+            ['post', [], '/login?returnurl=/subfolder/admin/shaare', false],
             ['post', ['title' => 'test'], '/admin/shaare?title=test', true],
-            ['post', ['title' => 'test'], '/login?title=test', false],
+            ['post', ['title' => 'test'], '/login?returnurl=/subfolder/admin/shaare?title=test', false],
             ['addlink', [], '/admin/add-shaare', true],
-            ['addlink', [], '/login', false],
+            ['addlink', [], '/login?returnurl=/subfolder/admin/add-shaare', false],
             ['login', [], '/login', true],
             ['login', [], '/login', false],
             ['logout', [], '/admin/logout', true],
@@ -94,6 +94,8 @@ class LegacyControllerTest extends TestCase
             ['opensearch', [], '/open-search', true],
             ['dailyrss', [], '/daily-rss', false],
             ['dailyrss', [], '/daily-rss', true],
+            ['configure', [], '/login?returnurl=/subfolder/admin/configure', false],
+            ['configure', [], '/admin/configure', true],
         ];
     }
 }