let filters customize status code and body

main.lua

@@ -43,14 +43,12 @@ local function onRequest()
     log('AWOOOOGA')
 
     for _,tuple in ipairs(callbacks_to_call) do
-        local callback_function, config = tuple[1], tuple[2]
-        local result, body = callback_function(config)
-        log(result)
-        log(body)
-        if not result then
-            ngx.status = 400
+        local callback_function, config, state = unpack(tuple)
+        local status_code, body = callback_function(config, state)
+        if status_code ~= nil then
+            ngx.status = status_code
             ngx.say(body or "request denied")
-            ngx.exit(400)
+            ngx.exit(status_code)
         end
     end
 end