prosody-modules: mod_websocket/mod_websocket.lua annotate

annotate mod_websocket/mod_websocket.lua @ 693:7d165cd6168c

mod_websocket: Only un-self-close <stream:stream>s

author	Florian Zeitz <florob@babelmonkeys.de>
date	Mon, 28 May 2012 02:18:04 +0200
parents	2de21fa40382
children	02fcb102b9aa

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);
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");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	37
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	38 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	39 local listener = {};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	40
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	41 -- Websocket helpers
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	42 local function parse_frame(frame)
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	43 local result = {};
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	44 local pos = 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	45 local length_bytes = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	46 local counter = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	47 local tmp_byte;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	48
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	49 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	50 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	51 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	52 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	53 result.RSV3 = band(tmp_byte, 0x10) > 0;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	54 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	55
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	56 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	57 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	58 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	59 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	60
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	61 if result.length == 126 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	62 length_bytes = 2;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	63 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	64 elseif result.length == 127 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	65 length_bytes = 8;
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 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	68
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	69 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	70 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	71 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	72 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	73
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	74 if result.MASK then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	75 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	76 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	77
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	78 pos = pos + 5;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	79 result.data = "";
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	80 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	81 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	82 counter = (counter + 1) % 4;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	83 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	84 else
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	85 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	86 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	87
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	88 return result;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	89 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	90
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	91 local function build_frame(desc)
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	92 local length;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	93 local result = "";
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	94
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	95 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	96
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	97 length = #desc.data;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	98 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	99 result = result .. string.char(length);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	100 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	101 result = result .. string.char(126);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	102 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	103 else -- 8-byte length
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	104 result = result .. string.char(127);
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	105 for i = 7, 0, -1 do
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	106 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	107 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	108 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	109
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	110 result = result .. desc.data;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	111
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	112 return result;
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	113 end
d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	114
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	115 --- Stream events handlers
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	116 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	117 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	118
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	119 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	120 local send = session.send;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	121 session.host = nameprep(attr.to);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	122 if not session.host then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	123 session:close{ condition = "improper-addressing",
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	124 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	125 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	126 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	127 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	128 session.streamid = uuid_generate();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	129 (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	130
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	131 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	132 -- 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	133 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	134 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	135 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	136
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	137 -- 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	138 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	139 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	140 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	141 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	142 else
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	143 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	144 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	145 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	146 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	147
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	148 (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	149 session.notopen = nil;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	150
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	151 -- 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	152 -- 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	153 if session.secure == false then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	154 session.secure = true;
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 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	158 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	159 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	160
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	161 send(features);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	162 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	163
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	164 function stream_callbacks.streamclosed(session)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	165 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	166 session:close();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	167 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	168
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	169 function stream_callbacks.error(session, error, data)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	170 if error == "no-stream" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	171 session.log("debug", "Invalid opening stream header");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	172 session:close("invalid-namespace");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	173 elseif error == "parse-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	174 (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	175 session:close("not-well-formed");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	176 elseif error == "stream-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	177 local condition, text = "undefined-condition";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	178 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	179 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	180 if child.name ~= "text" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	181 condition = child.name;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	182 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	183 text = child:get_text();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	184 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	185 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	186 break;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	187 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	188 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	189 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	190 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	191 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	192 session:close(nil, text);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	193 end
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
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	196 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	197 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	198 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	199 if stanza then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	200 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	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 --- Session methods
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	205 local function session_close(session, reason)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	206 local log = session.log or log;
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	207 if session.conn then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	208 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	209 -- 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	210 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	211 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	212 else
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable Florian Zeitz <florob@babelmonkeys.de> parents: 691 diff changeset	213 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	214 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	215 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	216 if reason then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	217 if type(reason) == "string" then -- assume stream error
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	218 log("info", "Disconnecting client, <stream:error> is: %s", reason);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	219 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	220 elseif type(reason) == "table" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	221 if reason.condition then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	222 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	223 if reason.text then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	224 stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
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 if reason.extra then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	227 stanza:add_child(reason.extra);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	228 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	229 log("info", "Disconnecting client, <stream:error> is: %s", tostring(stanza));
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	230 session.send(stanza);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	231 elseif reason.name then -- a stanza
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	232 log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason));
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	233 session.send(reason);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	234 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	235 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	236 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	237 session.send("</stream:stream>");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	238 session.conn:close();
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	239 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	240 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	241 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	242
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	243 --- Port listener
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	244 function listener.onconnect(conn)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	245 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	246 sessions[conn] = session;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	247
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	248 session.log("info", "Client connected");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	249
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	250 -- 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	251 if conn:ssl() then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	252 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	253 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	254
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	255 if opt_keepalives then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	256 conn:setoption("keepalive", opt_keepalives);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	257 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	258
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	259 session.close = session_close;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	260
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	261 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	262 session.stream = stream;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	263 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	264
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	265 function session.reset_stream()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	266 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	267 session.stream:reset();
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	268 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	269
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	270 local filter = session.filter;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	271 local buffer = "";
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	272 function session.data(data)
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	273 local frame = parse_frame(data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	274
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	275 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	276 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	277 buffer = buffer .. frame.data;
691 04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	278 elseif frame.opcode == 0x9 then -- Ping frame
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	279 frame.opcode = 0xA;
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	280 conn:write(build_frame(frame));
04662cc35280 mod_websocket: Answer ping frames Florian Zeitz <florob@babelmonkeys.de> parents: 690 diff changeset	281 return;
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	282 else
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	283 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	284 return;
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	285 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	286
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	287 if frame.FIN then
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	288 data = buffer;
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	289 buffer = "";
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	290
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	291 -- 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	292 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	293 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	294 end
690 5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	295
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	296 data = filter("bytes/in", data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	297 if data then
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	298 local ok, err = stream:feed(data);
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	299 if ok then return; end
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	300 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	301 session:close("not-well-formed");
5acc203972f3 mod_websocket: Add fragmentation support Florian Zeitz <florob@babelmonkeys.de> parents: 689 diff changeset	302 end
676 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 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	305
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	306 function session.send(s)
687 d141375ece4b mod_websocket: Move frame building into a function Florian Zeitz <florob@babelmonkeys.de> parents: 677 diff changeset	307 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	308 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	309
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	310 if c2s_timeout then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	311 add_task(c2s_timeout, function ()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	312 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	313 session:close("connection-timeout");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	314 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	315 end);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	316 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	317
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	318 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	319 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	320
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	321 function listener.onincoming(conn, data)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	322 local session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	323 if session then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	324 session.data(data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	325 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	326 listener.onconnect(conn, data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	327 session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	328 session.data(data);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	329 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	330 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	331
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	332 function listener.ondisconnect(conn, err)
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	333 local session = sessions[conn];
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	334 if session then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	335 (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	336 sm_destroy_session(session, err);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	337 sessions[conn] = nil;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	338 session = nil;
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	339 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	340 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	341
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	342 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	343 sessions[conn] = session;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	344 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	345
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	346 function handle_request(event, path)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	347 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	348
689 4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	349 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	350 response.headers.content_type = "text/html";
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	351 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	352 <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	353 </body></html>]];
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients Florian Zeitz <florob@babelmonkeys.de> parents: 688 diff changeset	354 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	355
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	356 response.conn:setlistener(listener);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	357 response.status = "101 Switching Protocols";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	358 response.headers.Upgrade = "websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	359 response.headers.Connection = "Upgrade";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	360 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	361 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	362
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	363 return "";
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	364 end
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	365
688 e87678a52720 mod_websocket: Make this a shared module Florian Zeitz <florob@babelmonkeys.de> parents: 687 diff changeset	366 function module.add_host(module)
e87678a52720 mod_websocket: Make this a shared module Florian Zeitz <florob@babelmonkeys.de> parents: 687 diff changeset	367 module:depends("http");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	368 module:provides("http", {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	369 name = "xmpp-websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	370 route = {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	371 ["GET /*"] = handle_request;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	372 };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	373 });
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	374 end

Mercurial > prosody-modules

annotate mod_websocket/mod_websocket.lua @ 693:7d165cd6168c