[erlang-questions] configure http methods in yaws

Steve Vinoski vinoski@REDACTED
Thu Feb 12 23:51:49 CET 2015

On Thu, Feb 12, 2015 at 5:38 PM, Imants Cekusins <imantc@REDACTED> wrote:

> > A rewriter exports arg_rewrite/1, not out/1,
> ta, Steve.
> btw  arg_rewrite output spec format:
> Arg#arg{
>  state = #rewrite_response{  }
> }
> is documented @
> https://github.com/klacke/yaws/blob/master/test/t2/rewritetest.erl
> I should have checked.

That's a test for the feature, but you can find documentation here:

BTW I now realize why your example called yapp:out(Arg1): the OP uses
yapps, so his arg_rewrite_mod setting will already be set to yapp, so my
example needs to take that into account too. It should be the following



arg_rewrite(Arg) ->
    Allowed = ['GET', 'POST'],
    Req = yaws_api:arg_req(Arg),
    Method = yaws_api:http_request_method(Req),
    case lists:member(Method, Allowed) of
        true ->
        false ->
            AllowedStrs = string:join([atom_to_list(M) || M <- Allowed],
                           headers=[{header, {"Allow", AllowedStrs}},
                                    {header, {connection, "close"}}]}}

The difference is that when the method is allowed, we call
yapp:arg_rewrite/1 instead of just returning Arg.

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