Merge remote-tracking branch 'upstream/master'

[nominatim.git] / website / reverse.php
diff --git a/website/reverse.php b/website/reverse.php

index 33e6cd5e638b4986469a3bc1bf4168472c348177..c348659e25d02fd7cdc136d223ad9b877bd20cd8 100755 (executable)
--- a/website/reverse.php
+++ b/website/reverse.php
@@ -4,6 +4,22 @@
         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
         require_once(CONST_BasePath.'/lib/log.php');
  
         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
         require_once(CONST_BasePath.'/lib/log.php');
  
+    if (preg_match(CONST_BlockedUserAgents, $_SERVER["HTTP_USER_AGENT"]) > 0)
+    {
+        $fLoadAvg = getLoadAverage();
+        if ($fLoadAvg >= CONST_BlockReverseMaxLoad) {
+            header('HTTP/1.0 403 Forbidden');
+            header('Content-type: text/html; charset=utf-8');
+               echo "<html><body><h1>App temporarily blocked</h1>";
+            echo "Your application has been temporarily blocked from the OpenStreetMap Nominatim ";
+            echo "geolocation service due to high server load.";
+            echo "\n</body></html>\n";
+            exit;
+        }
+
+    }
+
+
          if (strpos(CONST_BulkUserIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false)
          {
                  $fLoadAvg = getLoadAverage();
          if (strpos(CONST_BulkUserIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false)
          {
                  $fLoadAvg = getLoadAverage();