X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=net%2Fhttp%2Fparser.lua;h=f9e6cea0607d1c74f3d26203fad8374370a344d1;hb=f50f4cb01c079cfa913a76313859e469abbda12e;hp=2d822598c9a7ccd4a759ab375519367d6161cf67;hpb=88fd0955cee28c0a4ff9c906d18f259bac9ea949;p=prosody.git diff --git a/net/http/parser.lua b/net/http/parser.lua index 2d822598..f9e6cea0 100644 --- a/net/http/parser.lua +++ b/net/http/parser.lua @@ -1,11 +1,10 @@ - local tonumber = tonumber; local assert = assert; local url_parse = require "socket.url".parse; -local urldecode = require "net.http".urldecode; +local urldecode = require "util.http".urldecode; local function preprocess_path(path) - path = urldecode(path); + path = urldecode((path:gsub("//+", "/"))); if path:sub(1,1) ~= "/" then path = "/"..path; end @@ -29,7 +28,7 @@ function httpstream.new(success_cb, error_cb, parser_type, options_cb) local client = true; if not parser_type or parser_type == "server" then client = false; else assert(parser_type == "client", "Invalid parser type"); end local buf = ""; - local chunked; + local chunked, chunk_size, chunk_start; local state = nil; local packet; local len; @@ -65,18 +64,20 @@ function httpstream.new(success_cb, error_cb, parser_type, options_cb) first_line = line; if client then httpversion, status_code, reason_phrase = line:match("^HTTP/(1%.[01]) (%d%d%d) (.*)$"); + status_code = tonumber(status_code); if not status_code then error = true; return error_cb("invalid-status-line"); end have_body = not ( (options_cb and options_cb().method == "HEAD") or (status_code == 204 or status_code == 304 or status_code == 301) or (status_code >= 100 and status_code < 200) ); - chunked = have_body and headers["transfer-encoding"] == "chunked"; else method, path, httpversion = line:match("^(%w+) (%S+) HTTP/(1%.[01])$"); if not method then error = true; return error_cb("invalid-status-line"); end end end end + if not first_line then error = true; return error_cb("invalid-status-line"); end + chunked = have_body and headers["transfer-encoding"] == "chunked"; len = tonumber(headers["content-length"]); -- TODO check for invalid len if client then -- FIXME handle '100 Continue' response (by skipping it) @@ -91,7 +92,15 @@ function httpstream.new(success_cb, error_cb, parser_type, options_cb) responseheaders = headers; }; else - local parsed_url = url_parse(path); + local parsed_url; + if path:byte() == 47 then -- starts with / + local _path, _query = path:match("([^?]*).?(.*)"); + if _query == "" then _query = nil; end + parsed_url = { path = _path, query = _query }; + else + parsed_url = url_parse(path); + if not(parsed_url and parsed_url.path) then error = true; return error_cb("invalid-url"); end + end path = preprocess_path(parsed_url.path); headers.host = parsed_url.host or headers.host; @@ -111,26 +120,36 @@ function httpstream.new(success_cb, error_cb, parser_type, options_cb) if state then -- read body if client then if chunked then - local index = buf:find("\r\n", nil, true); - if not index then return; end -- not enough data - local chunk_size = buf:match("^%x+"); - if not chunk_size then error = true; return error_cb("invalid-chunk-size"); end - chunk_size = tonumber(chunk_size, 16); - index = index + 2; - if chunk_size == 0 then - state = nil; success_cb(packet); - elseif #buf - index + 1 >= chunk_size then -- we have a chunk - packet.body = packet.body..buf:sub(index, index + chunk_size - 1); - buf = buf:sub(index + chunk_size); + if not buf:find("\r\n", nil, true) then + return; + end -- not enough data + if not chunk_size then + chunk_size, chunk_start = buf:match("^(%x+)[^\r\n]*\r\n()"); + chunk_size = chunk_size and tonumber(chunk_size, 16); + if not chunk_size then error = true; return error_cb("invalid-chunk-size"); end + end + if chunk_size == 0 and buf:find("\r\n\r\n", chunk_start-2, true) then + state, chunk_size = nil, nil; + buf = buf:gsub("^.-\r\n\r\n", ""); -- This ensure extensions and trailers are stripped + success_cb(packet); + elseif #buf - chunk_start + 2 >= chunk_size then -- we have a chunk + packet.body = packet.body..buf:sub(chunk_start, chunk_start + (chunk_size-1)); + buf = buf:sub(chunk_start + chunk_size + 2); + chunk_size, chunk_start = nil, nil; + else -- Partial chunk remaining + break; end - error("trailers"); -- FIXME MUST read trailers elseif len and #buf >= len then packet.body, buf = buf:sub(1, len), buf:sub(len + 1); state = nil; success_cb(packet); + else + break; end elseif #buf >= len then packet.body, buf = buf:sub(1, len), buf:sub(len + 1); state = nil; success_cb(packet); + else + break; end end end