prosody-modules: mod_websocket/mod_websocket.lua annotate

annotate mod_websocket/mod_websocket.lua @ 842:32df4d13f178

mod_websocket: More robust frame handling

author	Florian Zeitz <florob@babelmonkeys.de>
date	Fri, 05 Oct 2012 16:57:34 +0200
parents	f568661c9d39
children	a0987c0e4e1d

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;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	23
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	24 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	25 local traceback = debug.traceback;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	26
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	27 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	28
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	29 local log = module._log;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	30
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	31 local c2s_timeout = module:get_option_number("c2s_timeout");
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	32 local stream_close_timeout = module:get_option_number("c2s_close_timeout", 5);
676 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);
692 2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	34 local self_closing_stream = module:get_option_boolean("websocket_self_closing_stream", true);
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	35
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	36 local sessions = module:shared("sessions");
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	37 local core_process_stanza = prosody.core_process_stanza;
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	38
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	39 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	40 local listener = {};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	41
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	42 -- Websocket helpers
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	43 local function parse_frame(frame)
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	44 local result = {};
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	45 local pos = 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	46 local length_bytes = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	47 local counter = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	48 local tmp_byte;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	49
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	50 if #frame < 2 then return; end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	51
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	52 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	53 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	54 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	55 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	56 result.RSV3 = band(tmp_byte, 0x10) > 0;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	57 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	58
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	59 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	60 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	61 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	62 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	63
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	64 if result.length == 126 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	65 length_bytes = 2;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	66 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	67 elseif result.length == 127 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	68 length_bytes = 8;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	69 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	70 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	71
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	72 if #frame < (2 + length_bytes) then return; end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	73
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	74 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	75 pos = pos + 1;
840 f568661c9d39 mod_websocket: Fix frame length calculation Florian Zeitz <florob@babelmonkeys.de> parents: 839 diff changeset	76 result.length = result.length * 256 + string.byte(frame, pos);
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	77 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	78
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	79 if #frame < (2 + length_bytes + (result.MASK and 4 or 0) + result.length) then return; end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	80
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	81 if result.MASK then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	82 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	83 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	84
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	85 pos = pos + 5;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	86 result.data = "";
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	87 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	88 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	89 counter = (counter + 1) % 4;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	90 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	91 else
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	92 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	93 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	94
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	95 return result, 2 + length_bytes + (result.MASK and 4 or 0) + result.length;
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	96 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	97
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	98 local function build_frame(desc)
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	99 local length;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	100 local result = "";
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	101 local data = desc.data or "";
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	102
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	103 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	104
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	105 length = #data;
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	106 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	107 result = result .. string.char(length);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	108 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	109 result = result .. string.char(126);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	110 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	111 else -- 8-byte length
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	112 result = result .. string.char(127);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	113 for i = 7, 0, -1 do
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	114 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	115 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	116 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	117
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	118 result = result .. data;
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	119
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	120 return result;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	121 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	122
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	123 --- Stream events handlers
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	124 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	125 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	126
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	127 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	128 local send = session.send;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	129 session.host = nameprep(attr.to);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	130 if not session.host then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	131 session:close{ condition = "improper-addressing",
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	132 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	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 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	136 session.streamid = uuid_generate();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	137 (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	138
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	139 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	140 -- 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	141 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	142 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	143 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	144
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	145 -- COMPAT: Current client implementations need this to be self-closing
692 2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	146 if self_closing_stream then
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	147 send("<?xml version='1.0'?>"..tostring(st.stanza("stream:stream", {
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	148 xmlns = 'jabber:client', ["xmlns:stream"] = 'http://etherx.jabber.org/streams';
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	149 id = session.streamid, from = session.host, version = '1.0', ["xml:lang"] = 'en' })));
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	150 else
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	151 send("<?xml version='1.0'?>"..st.stanza("stream:stream", {
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	152 xmlns = 'jabber:client', ["xmlns:stream"] = 'http://etherx.jabber.org/streams';
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	153 id = session.streamid, from = session.host, version = '1.0', ["xml:lang"] = 'en' }):top_tag());
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	154 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	155
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	156 (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	157 session.notopen = nil;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	158
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	159 -- 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	160 -- 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	161 if session.secure == false then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	162 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	163 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	164
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	165 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	166 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	167 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	168
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	169 send(features);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	170 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	171
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	172 function stream_callbacks.streamclosed(session)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	173 session.log("debug", "Received </stream:stream>");
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	174 session:close(false);
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	175 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	176
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	177 function stream_callbacks.error(session, error, data)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	178 if error == "no-stream" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	179 session.log("debug", "Invalid opening stream header");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	180 session:close("invalid-namespace");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	181 elseif error == "parse-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	182 (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	183 session:close("not-well-formed");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	184 elseif error == "stream-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	185 local condition, text = "undefined-condition";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	186 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	187 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	188 if child.name ~= "text" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	189 condition = child.name;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	190 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	191 text = child:get_text();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	192 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	193 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	194 break;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	195 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	196 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	197 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	198 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	199 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	200 session:close(nil, text);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	201 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	202 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	203
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	204 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	205 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	206 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	207 if stanza then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	208 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	209 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	210 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	211
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	212 --- Session methods
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	213 local function session_close(session, reason)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	214 local log = session.log or log;
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	215 if session.conn then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	216 if session.notopen then
692 2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	217 -- COMPAT: Current client implementations need this to be self-closing
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	218 if self_closing_stream then
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	219 session.send("<?xml version='1.0'?>"..tostring(st.stanza("stream:stream", default_stream_attr)));
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	220 else
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	221 session.send("<?xml version='1.0'?>"..st.stanza("stream:stream", default_stream_attr):top_tag());
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	222 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	223 end
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	224 if reason then -- nil == no err, initiated by us, false == initiated by client
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	225 if type(reason) == "string" then -- assume stream error
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	226 log("debug", "Disconnecting client, <stream:error> is: %s", reason);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	227 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	228 elseif type(reason) == "table" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	229 if reason.condition then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	230 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	231 if reason.text then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	232 stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	233 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	234 if reason.extra then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	235 stanza:add_child(reason.extra);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	236 end
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	237 log("debug", "Disconnecting client, <stream:error> is: %s", tostring(stanza));
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	238 session.send(stanza);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	239 elseif reason.name then -- a stanza
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	240 log("debug", "Disconnecting client, <stream:error> is: %s", tostring(reason));
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	241 session.send(reason);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	242 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	243 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	244 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	245 session.send("</stream:stream>");
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	246 function session.send() return false; end
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	247
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	248 local reason = (reason and (reason.text or reason.condition)) or reason;
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	249 session.log("info", "c2s stream for %s closed: %s", session.full_jid or ("<"..session.ip..">"), reason or "session closed");
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	250
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	251 -- Authenticated incoming stream may still be sending us stanzas, so wait for </stream:stream> from remote
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	252 local conn = session.conn;
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	253 if reason == nil and not session.notopen and session.type == "c2s" then
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	254 -- Grace time to process data from authenticated cleanly-closed stream
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	255 add_task(stream_close_timeout, function ()
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	256 if not session.destroyed then
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	257 session.log("warn", "Failed to receive a stream close response, closing connection anyway...");
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	258 sm_destroy_session(session, reason);
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	259 conn:close();
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	260 end
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	261 end);
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	262 else
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	263 sm_destroy_session(session, reason);
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	264 conn:close();
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	265 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	266 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	267 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	268
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	269 module:hook_global("user-deleted", function(event)
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	270 local username, host = event.username, event.host;
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	271 local user = hosts[host].sessions[username];
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	272 if user and user.sessions then
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	273 for jid, session in pairs(user.sessions) do
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	274 session:close{ condition = "not-authorized", text = "Account deleted" };
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	275 end
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	276 end
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	277 end, 200);
d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	278
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	279 --- Port listener
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	280 function listener.onconnect(conn)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	281 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	282 sessions[conn] = session;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	283
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	284 session.log("info", "Client connected");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	285
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	286 -- 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	287 if conn:ssl() then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	288 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	289 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	290
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	291 if opt_keepalives then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	292 conn:setoption("keepalive", opt_keepalives);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	293 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	294
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	295 session.close = session_close;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	296
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	297 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	298 session.stream = stream;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	299 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	300
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	301 function session.reset_stream()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	302 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	303 session.stream:reset();
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	304 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	305
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	306 local function websocket_close(code, message)
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	307 local data = string.char(code/0x100) .. string.char(code%0x100) .. message;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	308 conn:write(build_frame({opcode = 0x8, FIN = true, data = data}));
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	309 conn:close();
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	310 end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	311
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	312 local filter = session.filter;
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	313 local dataBuffer;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	314 local function handle_frame(frame)
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	315 module:log("debug", "Websocket received: %s (%i bytes)", frame.data, #frame.data);
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	316
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	317 -- Error cases
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	318 if frame.RSV1 or frame.RSV2 or frame.RSV3 then -- Reserved bits non zero
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	319 websocket_close(1002, "Reserved bits not zero");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	320 return false;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	321 end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	322
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	323 if frame.opcode >= 0x8 and frame.length > 125 then -- Control frame with too much payload
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	324 websocket_close(1002, "Payload too large");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	325 return false;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	326 end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	327
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	328 if frame.opcode >= 0x8 and not frame.FIN then -- Fragmented control frame
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	329 websocket_close(1002, "Fragmented control frame");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	330 return false;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	331 end
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	332
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	333 if (frame.opcode > 0x2 and frame.opcode < 0x8) or (frame.opcode > 0xA) then
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	334 websocket_close(1002, "Reserved opcode");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	335 return false;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	336 end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	337
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	338 if frame.opcode == 0x0 and not dataBuffer then
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	339 websocket_close(1002, "Unexpected continuation frame");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	340 return false;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	341 end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	342
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	343 if (frame.opcode == 0x1 or frame.opcode == 0x2) and dataBuffer then
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	344 websocket_close(1002, "Continuation frame expected");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	345 return false;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	346 end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	347
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	348 -- Valid cases
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	349 if frame.opcode == 0x0 then -- Continuation frame
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	350 dataBuffer = dataBuffer .. frame.data;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	351 elseif frame.opcode == 0x1 then -- Text frame
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	352 dataBuffer = frame.data;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	353 elseif frame.opcode == 0x2 then -- Binary frame
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	354 websocket_close(1003, "Only text frames are supported");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	355 return false;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	356 elseif frame.opcode == 0x8 then -- Close request
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	357 websocket_close(1000, "Goodbye");
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	358 return false;
691 04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	359 elseif frame.opcode == 0x9 then -- Ping frame
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	360 frame.opcode = 0xA;
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	361 conn:write(build_frame(frame));
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	362 return true;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	363 else
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	364 log("warn", "Received frame with unsupported opcode %i", frame.opcode);
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	365 return true;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	366 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	367
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	368 if frame.FIN then
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	369 data = dataBuffer;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	370 dataBuffer = nil;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	371
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	372 -- COMPAT: Current client implementations send a self-closing <stream:stream>
692 2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	373 if self_closing_stream then
693 7d165cd6168c mod_websocket: Only un-self-close <stream:stream>s Florian Zeitz <florob@babelmonkeys.de> parents: 692 diff changeset	374 data = data:gsub("(<stream:stream.*)/>$", "%1>");
692 2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	375 end
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	376
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	377 data = filter("bytes/in", data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	378 if data then
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	379 local ok, err = stream:feed(data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	380 if ok then return; end
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	381 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	382 session:close("not-well-formed");
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	383 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	384 end
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	385 return true;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	386 end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	387
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	388 local frameBuffer = "";
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	389 function session.data(data)
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	390 frameBuffer = frameBuffer .. data;
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	391 local frame, length = parse_frame(frameBuffer);
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	392
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	393 while frame do
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	394 frameBuffer = frameBuffer:sub(length + 1);
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	395 if not handle_frame(frame) then return; end
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	396 frame, length = parse_frame(frameBuffer);
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	397 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	398 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	399
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	400 function session.send(s)
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	401 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	402 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	403
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	404 if c2s_timeout then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	405 add_task(c2s_timeout, function ()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	406 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	407 session:close("connection-timeout");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	408 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	409 end);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	410 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	411
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	412 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	413 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	414
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	415 function listener.onincoming(conn, data)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	416 local session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	417 if session then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	418 session.data(data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	419 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	420 listener.onconnect(conn, data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	421 session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	422 session.data(data);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	423 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	424 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	425
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	426 function listener.ondisconnect(conn, err)
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	427 local session = sessions[conn];
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	428 if session then
839 d297d76010d4 mod_websocket: Merge with current mod_c2s Florian Zeitz <florob@babelmonkeys.de> parents: 694 diff changeset	429 (session.log or log)("info", "Client disconnected: %s", err or "connection closed");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	430 sm_destroy_session(session, err);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	431 sessions[conn] = nil;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	432 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	433 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	434
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	435 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	436 sessions[conn] = session;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	437 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	438
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	439 function handle_request(event, path)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	440 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	441
689 4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	442 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	443 response.headers.content_type = "text/html";
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	444 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	445 <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	446 </body></html>]];
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	447 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	448
842 32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	449 -- TODO: Handle requested subprotocols
32df4d13f178 mod_websocket: More robust frame handling Florian Zeitz <florob@babelmonkeys.de> parents: 840 diff changeset	450
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	451 response.conn:setlistener(listener);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	452 response.status = "101 Switching Protocols";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	453 response.headers.Upgrade = "websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	454 response.headers.Connection = "Upgrade";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	455 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	456 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	457
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	458 return "";
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	459 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	460
688 e87678a52720 mod_websocket: Make this a shared module Florian Zeitz <florob@babelmonkeys.de> parents: 687 diff changeset	461 function module.add_host(module)
e87678a52720 mod_websocket: Make this a shared module Florian Zeitz <florob@babelmonkeys.de> parents: 687 diff changeset	462 module:depends("http");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	463 module:provides("http", {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	464 name = "xmpp-websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	465 route = {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	466 ["GET /*"] = handle_request;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	467 };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	468 });
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	469 end

Mercurial > prosody-modules

annotate mod_websocket/mod_websocket.lua @ 842:32df4d13f178