44 lines
1.1 KiB
Plaintext
44 lines
1.1 KiB
Plaintext
# Set of HTTP utils.
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%include "http_codes.liq"
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# Create a HTTP response string
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# @category Interaction
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# @param ~protocol HTTP protocol used.
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# @param ~code Response code.
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# @param ~headers Response headers.
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# @param ~data Response data
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def http_response(~protocol="HTTP/1.1",
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~code=200,
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~headers=[],
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~data="") =
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status = http_codes[string_of(code)]
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# Set content-length if needed and not set by the
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# user.
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headers =
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if data != "" and
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not list.mem_assoc("Content-Length",headers)
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then
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list.append([("Content-Length",
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"#{string.length(data)}")],
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headers)
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else
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headers
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end
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headers = list.map(fun (x) -> "#{fst(x)}: #{snd(x)}",headers)
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headers = string.concat(separator="\r\n",headers)
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# If no headers are provided, we should avoid
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# having an empty line for them. Therefore, we also
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# conditionally add the final \r\n here.
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headers =
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if headers != "" then
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"#{headers}\r\n"
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else
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headers
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end
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"#{protocol} #{code} #{status}\r\n\
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#{headers}\
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\r\n\
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#{data}"
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end
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