X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fhttpstream.lua;h=4b5060a1a6835e1303a463af5d2a9d0d8474c636;hb=0ef23c673d1d620c9c1cc3e8aed43add63634426;hp=fac38d81f2a5135f848a06832b25f5e7ff16f63a;hpb=10f205698b90a2b5c6da7479cf03365f55941e03;p=prosody.git diff --git a/util/httpstream.lua b/util/httpstream.lua index fac38d81..4b5060a1 100644 --- a/util/httpstream.lua +++ b/util/httpstream.lua @@ -7,7 +7,7 @@ coroutine.resume(deadroutine); module("httpstream") -local function parser(success_cb, parser_type) +local function parser(success_cb, parser_type, options_cb) local data = coroutine.yield(); local function readline() local pos = data:find("\r\n", nil, true); @@ -67,20 +67,39 @@ local function parser(success_cb, parser_type) -- read status line local status_line = readline(); local httpversion, status_code, reason_phrase = status_line:match("^HTTP/(%S+)%s+(%d%d%d)%s+(.*)$"); - if not httpversion then coroutine.yield("invalid-status-line"); end + status_code = tonumber(status_code); + if not status_code then coroutine.yield("invalid-status-line"); end local headers = readheaders(); -- read body + local have_body = not + ( (options_cb and options_cb().method == "HEAD") + or (status_code == 204 or status_code == 304 or status_code == 301) + or (status_code >= 100 and status_code < 200) ); + local body; - local len = tonumber(headers["content-length"]); - if len then -- TODO check for invalid len - body = readlength(len); - else -- read to end - repeat - local newdata = coroutine.yield(); - data = data..newdata; - until newdata == ""; - body, data = data, ""; + if have_body then + local len = tonumber(headers["content-length"]); + if headers["transfer-encoding"] == "chunked" then + body = ""; + while true do + local chunk_size = readline():match("^%x+"); + if not chunk_size then coroutine.yield("invalid-chunk-size"); end + chunk_size = tonumber(chunk_size, 16) + if chunk_size == 0 then break; end + body = body..readlength(chunk_size); + if readline() ~= "" then coroutine.yield("invalid-chunk-ending"); end + end + local trailers = readheaders(); + elseif len then -- TODO check for invalid len + body = readlength(len); + else -- read to end + repeat + local newdata = coroutine.yield(); + data = data..newdata; + until newdata == ""; + body, data = data, ""; + end end success_cb({ @@ -93,9 +112,9 @@ local function parser(success_cb, parser_type) else coroutine.yield("unknown-parser-type"); end end -function new(success_cb, error_cb, parser_type) +function new(success_cb, error_cb, parser_type, options_cb) local co = coroutine.create(parser); - coroutine.resume(co, success_cb, parser_type) + coroutine.resume(co, success_cb, parser_type, options_cb) return { feed = function(self, data) if not data then