From 8a7cb8e93bfe3d5220ce50bc8d2aac9e6ce818a2 Mon Sep 17 00:00:00 2001
From: Christian Weiske <cweiske@cweiske.de>
Date: Mon, 6 Oct 2014 23:38:47 +0200
Subject: [PATCH] Try to fix issue #10; work around bug
 https://bugs.php.net/bug.php?id=68168

---
 lib/oauth.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/oauth.php b/lib/oauth.php
index 231a177..41af349 100644
--- a/lib/oauth.php
+++ b/lib/oauth.php
@@ -160,6 +160,17 @@ class OAuth
     {
         //$_SERVER['REDIRECT_HTTP_AUTHORIZATION'] = $_SERVER['HTTP_AUTHORIZATION'];
         //unset($_SERVER['HTTP_AUTHORIZATION']);
+        if ((isset($_SERVER['HTTP_AUTHORIZATION'])
+                && strtolower(substr($_SERVER['HTTP_AUTHORIZATION'], 0, 5)) != 'oauth')
+            || (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])
+                && strtolower(substr($_SERVER['REDIRECT_HTTP_AUTHORIZATION'], 0, 5)) != 'oauth')
+        ) {
+            //work around bug https://bugs.php.net/bug.php?id=68168
+            //#68168: HTTP Basic auth reported as "signature_method_rejected"
+            throw new \OAuthException(
+                'No oauth auth header', OAUTH_PARAMETER_ABSENT
+            );
+        }
 
         $params = array();
         if (!isset($_SERVER['HTTP_AUTHORIZATION'])
-- 
2.30.2