- Modified version of patch #32622 by kbahey: added 'site offline/maintenance' feature.

  (Untested because the admin/settings page doesn't work yet.)

2 files changed, 32 insertions, 0 deletions

diff --git a/includes/common.inc b/includes/common.inc
index 6f348500b..dc7a41afd 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -252,6 +252,17 @@ function drupal_goto($path = '', $query = NULL, $fragment = NULL) {
   exit();
 }
 
+
+/**
+ * Generates a site offline message
+ */
+function drupal_site_offline() {
+  header('HTTP/1.0 503 Service unavailable');
+  drupal_set_title(t('Site offline'));
+  print theme('maintenance_page', variable_get('site_offline_message',
+    t('%site is currently under maintenance. We should be back shortly. Thank you for your patience.', array('%site' => variable_get('site_name', t('This drupal site'))))));
+}
+
 /**
  * Generates a 404 error if the request can not be handled.
  */
diff --git a/includes/menu.inc b/includes/menu.inc
index ee8875b22..826d1c0ed 100644
--- a/includes/menu.inc
+++ b/includes/menu.inc
@@ -164,6 +164,7 @@ define('MENU_CUSTOM_MENU', MENU_IS_ROOT | MENU_VISIBLE_IN_TREE | MENU_CREATED_BY
 define('MENU_FOUND', 1);
 define('MENU_NOT_FOUND', 2);
 define('MENU_ACCESS_DENIED', 3);
+define('MENU_SITE_OFFLINE', 4);
 
 /**
  * @} End of "Menu status codes".
@@ -324,6 +325,10 @@ function menu_set_location($location) {
  * act as if the user were in a different location on the site.
  */
 function menu_execute_active_handler() {
+  if (_menu_site_is_offline()) {
+    return MENU_SITE_OFFLINE;
+  }
+
   $menu = menu_get_menu();
 
   // Determine the menu item containing the callback.
@@ -1040,3 +1045,19 @@ function _menu_build_local_tasks($pid) {
   return $forked;
 }
 
+/**
+ * Returns TRUE if the is offline for maintenance.
+ */
+function _menu_site_is_offline() {
+  // Check if site is set to offline mode
+  if (variable_get('site_offline', 0)) {
+    // Check if the user has administration privileges
+    if (!user_access('administer site configuration')) {
+      // Check if this is an attempt to login
+      if (drupal_get_normal_path($_GET['q']) != 'user/login') {
+        return TRUE;
+      }
+    }
+  }
+  return FALSE;
+}