[99s-extend] Reading body_qs multiple times
rambocoder
erlang at rambocoder.com
Mon Apr 15 22:45:42 CEST 2013
Hello group,
I am trying to put together a CSRF middleware
https://github.com/rambocoder/stable/commit/b26980d292ac42aadfe9921a961436e28cdbb693
and
if the body of the request contains "_csrf" token, I check to make sure it
matches the csrf token in the session.
Currently I am doing it in middleware using cowboy_req:body_qs/1 however
when in the handler I need to read another body parameter, such as in the
rest_pastebin example:
{ok, BodyQs, Req3} = cowboy_req:body_qs(Req),
Paste = proplists:get_value(<<"paste">>, BodyQs),
cowboy_req:body_qs/1 returns [] due to the body of the request being
already read {body_state,done}
Is it pointless to have the type of CSRF middleware that I am writing and
just do the CSRF in the handler's callback, where I can deal with all the
body_qs at once?
Thank you,
rambocoder
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