Merge pull-request #274 (url redirection/session expired)

app/Controller/Base.php

@@ -124,7 +124,7 @@ abstract class Base
 
         // Authentication
         if (! $this->authentication->isAuthenticated($controller, $action)) {
-            $this->response->redirect('?controller=user&action=login');
+            $this->response->redirect('?controller=user&action=login&redirect_query='.urlencode($this->request->getQueryString()));
         }
 
         // Check if the user is allowed to see this page

app/Controller/User.php

@@ -34,10 +34,12 @@ class User extends Base
             $this->response->redirect('?controller=app');
         }
 
+        $redirect_query = $this->request->getStringParam('redirect_query');
         $this->response->html($this->template->layout('user_login', array(
             'errors' => array(),
             'values' => array(),
             'no_layout' => true,
+            'redirect_query' => $redirect_query,
             'title' => t('Login')
         )));
     }
@@ -49,17 +51,23 @@ class User extends Base
      */
     public function check()
     {
+        $redirect_query = $this->request->getStringParam('redirect_query');
         $values = $this->request->getValues();
         list($valid, $errors) = $this->authentication->validateForm($values);
 
         if ($valid) {
-            $this->response->redirect('?controller=board');
+            if ($redirect_query != "") {
+                $this->response->redirect('?'.$redirect_query);
+            } else {
+                $this->response->redirect('?controller=board');
+            }
         }
 
         $this->response->html($this->template->layout('user_login', array(
             'errors' => $errors,
             'values' => $values,
             'no_layout' => true,
+            'redirect_query' => $redirect_query,
             'title' => t('Login')
         )));
     }

app/Core/Request.php

@@ -136,4 +136,16 @@ class Request
         $name = 'HTTP_'.str_replace('-', '_', strtoupper($name));
         return isset($_SERVER[$name]) ? $_SERVER[$name] : '';
     }
+
+    /**
+     * Returns current request's query string, useful for redirecting
+     *
+     * @access public
+     * @return string
+     */
+    public function getQueryString()
+    {
+        return $_SERVER['QUERY_STRING'];
+    }
+
 }

app/Templates/user_login.php

@@ -8,7 +8,7 @@
         <p class="alert alert-error"><?= Helper\escape($errors['login']) ?></p>
     <?php endif ?>
 
-    <form method="post" action="?controller=user&amp;action=check">
+    <form method="post" action="?controller=user&amp;action=check&amp;redirect_query=<?= urlencode($redirect_query) ?>">
 
         <?= Helper\form_csrf() ?>