rack.rb in cas-client-0.1.2.pre.p13

- old
+ new

@@ -8,14 +8,17 @@
       def call(env)
         puts "CAS Client Called from Rack!"
         status, headers, rack_body = @app.call(env)
         puts "Middleware called. Status: #{status}, Headers: #{headers}"
 
-        response = rack_body.body
-        response += "CAS Client Called!!!"
-        headers["Content-Length"] = response.length.to_s
-
-        [status, headers, [response]]
+        if rack_body.class == RackBody && rack_body.body.class == String
+          response = rack_body.body
+          response += "CAS Client Called!!!"
+          headers["Content-Length"] = response.length.to_s
+          return [status, headers, [response]]
+        else
+          return [status, headers, rack_body]
+        end
       end
     end
   end
 end