lib/rack/auth/abstract/request.rb in rack-1.3.8 vs lib/rack/auth/abstract/request.rb in rack-1.3.9

@@ -19,10 +19,14 @@
       def parts
         @parts ||= @env[authorization_key].split(' ', 2)
       end
 
       def scheme
-        @scheme ||= parts.first.downcase.to_sym
+        @scheme ||=
+          begin
+            s = parts.first.downcase
+            Rack::Auth.schemes.include?(s) ? s.to_sym : s
+          end
       end
 
       def params
         @params ||= parts.last
       end