prosody-modules: mod_websocket/mod_websocket.lua annotate

annotate mod_websocket/mod_websocket.lua @ 691:04662cc35280

mod_websocket: Answer ping frames

author	Florian Zeitz <florob@babelmonkeys.de>
date	Sun, 27 May 2012 19:30:37 +0200
parents	5acc203972f3
children	2de21fa40382

rev	line source
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	1 -- Prosody IM
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	2 -- Copyright (C) 2008-2010 Matthew Wild
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	3 -- Copyright (C) 2008-2010 Waqas Hussain
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	4 -- Copyright (C) 2012 Florian Zeitz
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	5 --
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	6 -- This project is MIT/X11 licensed. Please see the
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	7 -- COPYING file in the source package for more information.
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	8 --
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	9
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	10 module:set_global();
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	11
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	12 local add_task = require "util.timer".add_task;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	13 local new_xmpp_stream = require "util.xmppstream".new;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	14 local nameprep = require "util.encodings".stringprep.nameprep;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	15 local sessionmanager = require "core.sessionmanager";
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	16 local st = require "util.stanza";
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	17 local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	18 local uuid_generate = require "util.uuid".generate;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	19 local sha1 = require "util.hashes".sha1;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	20 local base64 = require "util.encodings".base64.encode;
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	21 local band = require "bit".band;
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	22 local bxor = require "bit".bxor;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	23 local tohex = require "bit".tohex;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	24
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	25 local xpcall, tostring, type = xpcall, tostring, type;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	26 local traceback = debug.traceback;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	27
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	28 local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	29
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	30 local log = module._log;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	31
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	32 local c2s_timeout = module:get_option_number("c2s_timeout");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	33 local opt_keepalives = module:get_option_boolean("tcp_keepalives", false);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	34
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	35 local sessions = module:shared("sessions");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	36
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	37 local stream_callbacks = { default_ns = "jabber:client", handlestanza = core_process_stanza };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	38 local listener = {};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	39
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	40 -- Websocket helpers
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	41 local function parse_frame(frame)
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	42 local result = {};
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	43 local pos = 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	44 local length_bytes = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	45 local counter = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	46 local tmp_byte;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	47
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	48 tmp_byte = string.byte(frame, pos);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	49 result.FIN = band(tmp_byte, 0x80) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	50 result.RSV1 = band(tmp_byte, 0x40) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	51 result.RSV2 = band(tmp_byte, 0x20) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	52 result.RSV3 = band(tmp_byte, 0x10) > 0;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	53 result.opcode = band(tmp_byte, 0x0F);
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	54
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	55 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	56 tmp_byte = string.byte(frame, pos);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	57 result.MASK = band(tmp_byte, 0x80) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	58 result.length = band(tmp_byte, 0x7F);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	59
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	60 if result.length == 126 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	61 length_bytes = 2;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	62 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	63 elseif result.length == 127 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	64 length_bytes = 8;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	65 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	66 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	67
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	68 for i = 1, length_bytes do
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	69 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	70 result.length = result.length * 255 + string.byte(frame, pos);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	71 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	72
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	73 if result.MASK then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	74 result.key = {string.byte(frame, pos+1), string.byte(frame, pos+2),
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	75 string.byte(frame, pos+3), string.byte(frame, pos+4)}
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	76
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	77 pos = pos + 5;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	78 result.data = "";
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	79 for i = pos, pos + result.length - 1 do
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	80 result.data = result.data .. string.char(bxor(result.key[counter+1], string.byte(frame, i)));
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	81 counter = (counter + 1) % 4;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	82 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	83 else
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	84 result.data = frame:sub(pos + 1, pos + result.length);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	85 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	86
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	87 return result;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	88 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	89
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	90 local function build_frame(desc)
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	91 local length;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	92 local result = "";
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	93
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	94 result = result .. string.char(0x80 * (desc.FIN and 1 or 0) + desc.opcode);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	95
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	96 length = #desc.data;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	97 if length <= 125 then -- 7-bit length
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	98 result = result .. string.char(length);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	99 elseif length <= 0xFFFF then -- 2-byte length
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	100 result = result .. string.char(126);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	101 result = result .. string.char(length/0x100) .. string.char(length%0x100);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	102 else -- 8-byte length
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	103 result = result .. string.char(127);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	104 for i = 7, 0, -1 do
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	105 result = result .. string.char(( length / (2^(8*i)) ) % 0x100);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	106 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	107 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	108
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	109 result = result .. desc.data;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	110
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	111 return result;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	112 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	113
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	114 --- Stream events handlers
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	115 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	116 local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	117
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	118 function stream_callbacks.streamopened(session, attr)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	119 local send = session.send;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	120 session.host = nameprep(attr.to);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	121 if not session.host then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	122 session:close{ condition = "improper-addressing",
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	123 text = "A valid 'to' attribute is required on stream headers" };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	124 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	125 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	126 session.version = tonumber(attr.version) or 0;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	127 session.streamid = uuid_generate();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	128 (session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	129
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	130 if not hosts[session.host] then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	131 -- We don't serve this host...
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	132 session:close{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	133 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	134 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	135
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	136 -- COMPAT: Current client implementations need this to be self-closing
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	137 send("<?xml version='1.0'?>"..(tostring(st.stanza("stream:stream", {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	138 xmlns = 'jabber:client', ["xmlns:stream"] = 'http://etherx.jabber.org/streams';
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	139 id = session.streamid, from = session.host, version = '1.0', ["xml:lang"] = 'en' }):top_tag()):gsub(">", "/>")));
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	140
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	141 (session.log or log)("debug", "Sent reply <stream:stream> to client");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	142 session.notopen = nil;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	143
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	144 -- If session.secure is false (not nil) then it means we /were/ encrypting
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	145 -- since we now have a new stream header, session is secured
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	146 if session.secure == false then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	147 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	148 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	149
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	150 local features = st.stanza("stream:features");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	151 hosts[session.host].events.fire_event("stream-features", { origin = session, features = features });
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	152 module:fire_event("stream-features", session, features);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	153
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	154 send(features);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	155 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	156
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	157 function stream_callbacks.streamclosed(session)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	158 session.log("debug", "Received </stream:stream>");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	159 session:close();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	160 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	161
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	162 function stream_callbacks.error(session, error, data)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	163 if error == "no-stream" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	164 session.log("debug", "Invalid opening stream header");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	165 session:close("invalid-namespace");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	166 elseif error == "parse-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	167 (session.log or log)("debug", "Client XML parse error: %s", tostring(data));
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	168 session:close("not-well-formed");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	169 elseif error == "stream-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	170 local condition, text = "undefined-condition";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	171 for child in data:children() do
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	172 if child.attr.xmlns == xmlns_xmpp_streams then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	173 if child.name ~= "text" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	174 condition = child.name;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	175 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	176 text = child:get_text();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	177 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	178 if condition ~= "undefined-condition" and text then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	179 break;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	180 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	181 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	182 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	183 text = condition .. (text and (" ("..text..")") or "");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	184 session.log("info", "Session closed by remote with error: %s", text);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	185 session:close(nil, text);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	186 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	187 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	188
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	189 local function handleerr(err) log("error", "Traceback[c2s]: %s: %s", tostring(err), traceback()); end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	190 function stream_callbacks.handlestanza(session, stanza)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	191 stanza = session.filter("stanzas/in", stanza);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	192 if stanza then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	193 return xpcall(function () return core_process_stanza(session, stanza) end, handleerr);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	194 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	195 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	196
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	197 --- Session methods
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	198 local function session_close(session, reason)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	199 local log = session.log or log;
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	200 if session.conn then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	201 if session.notopen then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	202 session.send("<?xml version='1.0'?>");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	203 session.send(st.stanza("stream:stream", default_stream_attr):top_tag());
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	204 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	205 if reason then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	206 if type(reason) == "string" then -- assume stream error
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	207 log("info", "Disconnecting client, <stream:error> is: %s", reason);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	208 session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }));
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	209 elseif type(reason) == "table" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	210 if reason.condition then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	211 local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up();
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	212 if reason.text then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	213 stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	214 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	215 if reason.extra then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	216 stanza:add_child(reason.extra);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	217 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	218 log("info", "Disconnecting client, <stream:error> is: %s", tostring(stanza));
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	219 session.send(stanza);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	220 elseif reason.name then -- a stanza
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	221 log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason));
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	222 session.send(reason);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	223 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	224 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	225 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	226 session.send("</stream:stream>");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	227 session.conn:close();
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	228 listener.ondisconnect(session.conn, (reason and (reason.text or reason.condition)) or reason or "session closed");
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	229 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	230 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	231
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	232 --- Port listener
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	233 function listener.onconnect(conn)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	234 local session = sm_new_session(conn);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	235 sessions[conn] = session;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	236
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	237 session.log("info", "Client connected");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	238
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	239 -- Client is using legacy SSL (otherwise mod_tls sets this flag)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	240 if conn:ssl() then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	241 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	242 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	243
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	244 if opt_keepalives then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	245 conn:setoption("keepalive", opt_keepalives);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	246 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	247
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	248 session.close = session_close;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	249
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	250 local stream = new_xmpp_stream(session, stream_callbacks);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	251 session.stream = stream;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	252 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	253
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	254 function session.reset_stream()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	255 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	256 session.stream:reset();
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	257 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	258
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	259 local filter = session.filter;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	260 local buffer = "";
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	261 function session.data(data)
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	262 local frame = parse_frame(data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	263
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	264 module:log("debug", "Websocket received: %s (%i bytes)", frame.data, #frame.data);
691 04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	265 if frame.opcode == 0x0 or frame.opcode == 0x1 then -- Text or continuation frame
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	266 buffer = buffer .. frame.data;
691 04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	267 elseif frame.opcode == 0x9 then -- Ping frame
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	268 frame.opcode = 0xA;
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	269 conn:write(build_frame(frame));
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	270 return;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	271 else
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	272 log("warn", "Received frame with unsupported opcode %i", frame.opcode);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	273 return;
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	274 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	275
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	276 if frame.FIN then
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	277 data = buffer;
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	278 buffer = "";
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	279
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	280 -- COMPAT: Current client implementations send a self-closing <stream:stream>
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	281 data = data:gsub("/>$", ">");
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	282
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	283 data = filter("bytes/in", data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	284 if data then
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	285 local ok, err = stream:feed(data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	286 if ok then return; end
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	287 log("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "):gsub("[%z\1-\31]", "_"));
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	288 session:close("not-well-formed");
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	289 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	290 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	291 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	292
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	293 function session.send(s)
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	294 conn:write(build_frame({ FIN = true, opcode = 0x01, data = tostring(s)}));
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	295 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	296
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	297 if c2s_timeout then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	298 add_task(c2s_timeout, function ()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	299 if session.type == "c2s_unauthed" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	300 session:close("connection-timeout");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	301 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	302 end);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	303 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	304
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	305 session.dispatch_stanza = stream_callbacks.handlestanza;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	306 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	307
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	308 function listener.onincoming(conn, data)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	309 local session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	310 if session then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	311 session.data(data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	312 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	313 listener.onconnect(conn, data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	314 session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	315 session.data(data);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	316 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	317 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	318
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	319 function listener.ondisconnect(conn, err)
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	320 local session = sessions[conn];
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	321 if session then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	322 (session.log or log)("info", "Client disconnected: %s", err);
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	323 sm_destroy_session(session, err);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	324 sessions[conn] = nil;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	325 session = nil;
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	326 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	327 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	328
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	329 function listener.associate_session(conn, session)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	330 sessions[conn] = session;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	331 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	332
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	333 function handle_request(event, path)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	334 local request, response = event.request, event.response;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	335
689 4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	336 if not request.headers.sec_websocket_key then
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	337 response.headers.content_type = "text/html";
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	338 return [[<!DOCTYPE html><html><head><title>Websocket</title></head><body>
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	339 <p>It works! Now point your WebSocket client to this URL to connect to Prosody.</p>
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	340 </body></html>]];
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	341 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	342
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	343 response.conn:setlistener(listener);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	344 response.status = "101 Switching Protocols";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	345 response.headers.Upgrade = "websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	346 response.headers.Connection = "Upgrade";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	347 response.headers.Sec_WebSocket_Accept = base64(sha1(request.headers.sec_websocket_key .. "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"));
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	348 response.headers.Sec_WebSocket_Protocol = "xmpp";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	349
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	350 return "";
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	351 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	352
688 e87678a52720 mod_websocket: Make this a shared module Florian Zeitz <florob@babelmonkeys.de> parents: 687 diff changeset	353 function module.add_host(module)
e87678a52720 mod_websocket: Make this a shared module Florian Zeitz <florob@babelmonkeys.de> parents: 687 diff changeset	354 module:depends("http");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	355 module:provides("http", {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	356 name = "xmpp-websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	357 route = {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	358 ["GET /*"] = handle_request;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	359 };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	360 });
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	361 end

Mercurial > prosody-modules

annotate mod_websocket/mod_websocket.lua @ 691:04662cc35280