Ticket #27152: 27152.diff

src/wp-includes/functions.php

@@ -1443 +1443 @@
 }
 
 /**
+ * Retrieve unvalidated referer from '_wp_http_referer' or HTTP referer.
+ *
+ * @since 4.1
+ *
+ * @return string|bool Return http referer if found. Return false otherwise. 
+ */
+
+function wp_get_raw_referer() {
+        $ref = false;
+        if ( ! empty( $_REQUEST['_wp_http_referer'] ) )
+                $ref = wp_unslash( $_REQUEST['_wp_http_referer'] );
+        else if ( ! empty( $_SERVER['HTTP_REFERER'] ) )
+                $ref = wp_unslash( $_SERVER['HTTP_REFERER'] );
+        return $ref;
+}
+
+/**
  * Retrieve original referer that was posted, if it exists.
  *
  * @since 2.0.4