3 files changed, 55 insertions, 1 deletions
diff --git a/phpBB/phpbb/controller/helper.php b/phpBB/phpbb/controller/helper.php
index c6c470e91b..dc802751fb 100644
--- a/phpBB/phpbb/controller/helper.php
+++ b/phpBB/phpbb/controller/helper.php
@@ -142,6 +142,12 @@ class helper
 
 		$base_url = $context->getBaseUrl();
 
+		// Append page name if base URL does not contain it
+		if (!empty($page_name) && strpos($base_url, '/' . $page_name) === false)
+		{
+			$base_url .= '/' . $page_name;
+		}
+
 		// If enable_mod_rewrite is false we need to replace the current front-end by app.php, otherwise we need to remove it.
 		$base_url = str_replace('/' . $page_name, empty($this->config['enable_mod_rewrite']) ? '/app.' . $this->php_ext : '', $base_url);
 
diff --git a/tests/controller/common_helper_route.php b/tests/controller/common_helper_route.php
index 6723e3bc52..ff1af8119b 100644
--- a/tests/controller/common_helper_route.php
+++ b/tests/controller/common_helper_route.php
@@ -51,6 +51,11 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
 		return '/app.php';
 	}
 
+	protected function get_base_uri()
+	{
+		return $this->get_uri();
+	}
+
 	protected function get_script_name()
 	{
 		return 'app.php';
@@ -66,7 +71,7 @@ abstract class phpbb_controller_common_helper_route extends phpbb_test_case
 		$this->request = new phpbb_mock_request();
 		$this->request->overwrite('SCRIPT_NAME', $this->get_uri(), \phpbb\request\request_interface::SERVER);
 		$this->request->overwrite('SCRIPT_FILENAME', $this->get_script_name(), \phpbb\request\request_interface::SERVER);
-		$this->request->overwrite('REQUEST_URI', $this->get_uri(), \phpbb\request\request_interface::SERVER);
+		$this->request->overwrite('REQUEST_URI', $this->get_base_uri(), \phpbb\request\request_interface::SERVER);
 		$this->request->overwrite('SERVER_NAME', 'localhost', \phpbb\request\request_interface::SERVER);
 		$this->request->overwrite('SERVER_PORT', '80', \phpbb\request\request_interface::SERVER);
 
diff --git a/tests/controller/helper_route_slash_test.php b/tests/controller/helper_route_slash_test.php
new file mode 100644
index 0000000000..cb405d6317
--- /dev/null
+++ b/tests/controller/helper_route_slash_test.php
@@ -0,0 +1,43 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+require_once dirname(__FILE__) . '/../../phpBB/includes/functions.php';
+require_once dirname(__FILE__) . '/common_helper_route.php';
+
+class phpbb_controller_helper_route_slash_test extends phpbb_controller_common_helper_route
+{
+	protected function get_phpbb_root_path()
+	{
+		return './../';
+	}
+
+	protected function get_uri()
+	{
+		return '/phpBB3/app.php';
+	}
+
+	protected function get_base_uri()
+	{
+		return '/phpBB3';
+	}
+
+	protected function get_script_name()
+	{
+		return 'app.php';
+	}
+
+	protected function path_to_app()
+	{
+		return 'phpBB3/';
+	}
+}