gistfile1.txt

$ cat kong/utils/public.lua
local pcall = pcall
local ngx_log = ngx.log
local ERR = ngx.ERR


local _M = {}


do
  local ngx_req_get_post_args = ngx.req.get_post_args

  function _M.get_post_args()
    local ok, res, err = ngx_req_get_post_args()

    if not ok or err then
      ngx_log(ERR, "could not get body args: ", err)
      return {} -- TODO return an immutable table here
    end

    return res
  end
end


return _M

bah, ignore the fact that i forgot to use pcall(...) on line 14 :|

I think this is missing the necessary logic to either retrieve res or err as the message. That is, if we keep the if not ok or err check.