ruby - How to get the content from an HTTP POST request received in thin? -

i using thin receive http post requests, server code this:

http_server = proc |env|   # want make response dependent on content   response = "hello world!"   [200, {"connection" => "close", "content-length" => response.bytesize.to_s}, [response]] end 

setting breakpoint, can see have received content-type (json), , content length, can't see actual content. how can retrieve content request processing?

you need use rack.input entry of env object. rack spec:

the input stream io-like object contains raw http post data. when applicable, external encoding must “ascii-8bit” , must opened in binary mode, ruby 1.9 compatibility. input stream must respond gets, each, read , rewind.

so can call read on this:

http_server = proc |env|    json_string = env['rack.input'].read   json_string.force_encoding 'utf-8' # since body has ascii-8bit encoding,                                      # know json, can use                                      # force_encoding right encoding    # parse json_string , stuff    response = "hello world!"   [200, {"connection" => "close", "content-length" => response.bytesize.to_s}, [response]] end