prosody
3dc52f1778db
net/http/parser.lua

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net/http/parser.lua @ 7577:3dc52f1778db

net.http.parser: Add a limit on maximum buffer size, default to 20M
author Kim Alvefur <zash@zash.se>
date Thu, 18 Aug 2016 14:48:42 +0200
parent 7576:d3646443a02e
child 7578:65bf55fdf971
comparison
equal deleted inserted replaced
7576:d3646443a02e 7577:3dc52f1778db
28 function httpstream.new(success_cb, error_cb, parser_type, options_cb) 28 function httpstream.new(success_cb, error_cb, parser_type, options_cb)
29 local client = true; 29 local client = true;
30 if not parser_type or parser_type == "server" then client = false; else assert(parser_type == "client", "Invalid parser type"); end 30 if not parser_type or parser_type == "server" then client = false; else assert(parser_type == "client", "Invalid parser type"); end
31 local buf, buflen, buftable = {}, 0, true; 31 local buf, buflen, buftable = {}, 0, true;
32 local bodylimit = 10*1024*1024; 32 local bodylimit = 10*1024*1024;
33 local buflimit = bodylimit * 2;
33 local chunked, chunk_size, chunk_start; 34 local chunked, chunk_size, chunk_start;
34 local state = nil; 35 local state = nil;
35 local packet; 36 local packet;
36 local len; 37 local len;
37 local have_body; 38 local have_body;
54 else 55 else
55 buf = { buf, data }; 56 buf = { buf, data };
56 buftable = true; 57 buftable = true;
57 end 58 end
58 buflen = buflen + #data; 59 buflen = buflen + #data;
60 if buflen > buflimit then error = true; return error_cb("max-buffer-size-exceeded"); end
59 while buflen > 0 do 61 while buflen > 0 do
60 if state == nil then -- read request 62 if state == nil then -- read request
61 if buftable then buf, buftable = t_concat(buf), false; end 63 if buftable then buf, buftable = t_concat(buf), false; end
62 local index = buf:find("\r\n\r\n", nil, true); 64 local index = buf:find("\r\n\r\n", nil, true);
63 if not index then return; end -- not enough data 65 if not index then return; end -- not enough data