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%% Feel free to use, reuse and abuse the code in this file.
-module(http_echo_body).
-behaviour(cowboy_http_handler).
-export([init/3, handle/2, terminate/3]).
init({_, http}, Req, _) ->
{ok, Req, undefined}.
handle(Req, State) ->
true = cowboy_req:has_body(Req),
{ok, Req3} = case cowboy_req:body(1000000, Req) of
{ok, Body, Req2} -> handle_body(Req2, Body);
{more, _, Req2} -> handle_badlength(Req2)
end,
{ok, Req3, State}.
handle_badlength(Req) ->
{ok, Req2} = cowboy_req:reply(413, [], <<"Request entity too large">>, Req),
{ok, Req2}.
handle_body(Req, Body) ->
{Size, Req2} = cowboy_req:body_length(Req),
Size = byte_size(Body),
{ok, Req3} = cowboy_req:reply(200, [], Body, Req2),
{ok, Req3}.
terminate(_, _, _) ->
ok.
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