log IP for API auth errors

2009-06-27 07:37:58 -07:00
parent 7af94dc125
commit 70521d55a8
2 changed files with 28 additions and 2 deletions
--- a/lib/util.php
+++ b/lib/util.php
@@ -1490,4 +1490,28 @@ function common_shorten_url($long_url)
    curl_close($curlh);

    return $short_url;
-}
+}
+
+function common_client_ip()
+{
+    if (!isset($_SERVER) || !array_key_exists('REQUEST_METHOD', $_SERVER)) {
+        return null;
+    }
+
+    if ($_SERVER['HTTP_X_FORWARDED_FOR']) {
+        if ($_SERVER['HTTP_CLIENT_IP']) {
+            $proxy = $_SERVER['HTTP_CLIENT_IP'];
+        } else {
+            $proxy = $_SERVER['REMOTE_ADDR'];
+        }
+        $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
+    } else {
+        if ($_SERVER['HTTP_CLIENT_IP']) {
+            $ip = $_SERVER['HTTP_CLIENT_IP'];
+        } else {
+            $ip = $_SERVER['REMOTE_ADDR'];
+        }
+    }
+
+    return array($ip, $proxy);
+}