X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fhttpstream.lua;h=bdc3fce776c45827ffdf7cd533d7df69dc1a4cdc;hb=e157cd13e86685e77c8ba0e9f4e97e729af8d821;hp=e2127b80a8c8046928926e3639ec3aa9a5c9b1f8;hpb=a9c5f5676e728066c70959557d516a63de448c1d;p=prosody.git diff --git a/util/httpstream.lua b/util/httpstream.lua index e2127b80..bdc3fce7 100644 --- a/util/httpstream.lua +++ b/util/httpstream.lua @@ -7,7 +7,8 @@ coroutine.resume(deadroutine); module("httpstream") -local function parser(data, success_cb) +local function parser(success_cb, parser_type, options_cb) + local data = coroutine.yield(); local function readline() local pos = data:find("\r\n", nil, true); while not pos do @@ -36,40 +37,95 @@ local function parser(data, success_cb) key = key:lower(); headers[key] = headers[key] and headers[key]..","..val or val; end + return headers; end - while true do - -- read status line - local status_line = readline(); - local method, path, httpversion = status_line:match("^(%S+)%s+(%S+)%s+HTTP/(%S+)$"); - if not method then coroutine.yield("invalid-status-line"); end - -- TODO parse url - local headers = readheaders(); - - -- read body - local len = tonumber(headers["content-length"]); - len = len or 0; -- TODO check for invalid len - local body = readlength(len); - - success_cb({ - method = method; - path = path; - httpversion = httpversion; - headers = headers; - body = body; - }); - end + if not parser_type or parser_type == "server" then + while true do + -- read status line + local status_line = readline(); + local method, path, httpversion = status_line:match("^(%S+)%s+(%S+)%s+HTTP/(%S+)$"); + if not method then coroutine.yield("invalid-status-line"); end + path = path:gsub("^//+", "/"); -- TODO parse url more + local headers = readheaders(); + + -- read body + local len = tonumber(headers["content-length"]); + len = len or 0; -- TODO check for invalid len + local body = readlength(len); + + success_cb({ + method = method; + path = path; + httpversion = httpversion; + headers = headers; + body = body; + }); + end + elseif parser_type == "client" then + while true do + -- read status line + local status_line = readline(); + local httpversion, status_code, reason_phrase = status_line:match("^HTTP/(%S+)%s+(%d%d%d)%s+(.*)$"); + 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; + 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({ + code = status_code; + httpversion = httpversion; + headers = headers; + body = body; + -- COMPAT the properties below are deprecated + responseversion = httpversion; + responseheaders = headers; + }); + end + else coroutine.yield("unknown-parser-type"); end end -function new(success_cb, error_cb) +function new(success_cb, error_cb, parser_type, options_cb) local co = coroutine.create(parser); + coroutine.resume(co, success_cb, parser_type, options_cb) return { feed = function(self, data) if not data then + if parser_type == "client" then coroutine.resume(co, ""); end co = deadroutine; return error_cb(); end - local success, result = coroutine.resume(co, data, success_cb); + local success, result = coroutine.resume(co, data); if result then co = deadroutine; return error_cb(result);