Software `/` code `/` prosody-modules

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mod_websocket/mod_websocket.lua @ 677:eeb41cd5e9f3

mod_websocket: Move frame handling into a separate function

author	Florian Zeitz <florob@babelmonkeys.de>
date	Sat, 26 May 2012 03:09:09 +0200
parent	676:54fa9d6d7809
child	687:d141375ece4b

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 module:depends("http")
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	26
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	27
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	28 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	29 local traceback = debug.traceback;
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 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	32
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	33 local log = module._log;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	34
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	35 local 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	36 local opt_keepalives = module:get_option_boolean("tcp_keepalives", false);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	37
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	38 local sessions = module:shared("sessions");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	39
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	40 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	41 local listener = {};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	42
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	43 -- Websocket helpers
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	44 local function parse_frame(frame)
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	45 local result = {};
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	46 local pos = 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	47 local length_bytes = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	48 local counter = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	49 local tmp_byte;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	50
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	51 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	52 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	53 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	54 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	55 result.RSV3 = band(tmp_byte, 0x10) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	56 result.opcode = band(tmp_byte, 0x0F) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	57
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	58 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	59 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	60 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	61 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	62
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	63 if result.length == 126 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	64 length_bytes = 2;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	65 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	66 elseif result.length == 127 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	67 length_bytes = 8;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	68 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	69 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	70
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	71 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	72 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	73 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	74 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	75
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	76 if result.MASK then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	77 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	78 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	79
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	80 pos = pos + 5;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	81 result.data = "";
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	82 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	83 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	84 counter = (counter + 1) % 4;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	85 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	86 else
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	87 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	88 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	89
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	90 return result;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	91 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	92
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	93 --- Stream events handlers
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	94 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	95 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	96
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	97 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	98 local send = session.send;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	99 session.host = nameprep(attr.to);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	100 if not session.host then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	101 session:close{ condition = "improper-addressing",
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	102 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	103 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	104 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	105 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	106 session.streamid = uuid_generate();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	107 (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	108
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	109 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	110 -- 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	111 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	112 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	113 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	114
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	115 -- COMPAT: Current client implementations need this to be self-closing
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	116 send("<?xml version='1.0'?>"..(tostring(st.stanza("stream:stream", {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	117 xmlns = 'jabber:client', ["xmlns:stream"] = 'http://etherx.jabber.org/streams';
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	118 id = session.streamid, from = session.host, version = '1.0', ["xml:lang"] = 'en' }):top_tag()):gsub(">", "/>")));
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	119
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	120 (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	121 session.notopen = nil;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	122
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	123 -- 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	124 -- 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	125 if session.secure == false then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	126 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	127 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	128
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	129 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	130 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	131 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	132
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	133 send(features);
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
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	136 function stream_callbacks.streamclosed(session)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	137 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	138 session:close();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	139 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	140
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	141 function stream_callbacks.error(session, error, data)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	142 if error == "no-stream" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	143 session.log("debug", "Invalid opening stream header");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	144 session:close("invalid-namespace");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	145 elseif error == "parse-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	146 (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	147 session:close("not-well-formed");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	148 elseif error == "stream-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	149 local condition, text = "undefined-condition";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	150 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	151 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	152 if child.name ~= "text" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	153 condition = child.name;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	154 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	155 text = child:get_text();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	156 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	157 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	158 break;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	159 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	160 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	161 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	162 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	163 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	164 session:close(nil, text);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	165 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	166 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	167
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	168 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	169 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	170 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	171 if stanza then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	172 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	173 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	174 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	175
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	176 --- Session methods
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	177 local function session_close(session, reason)
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	178 local log = session.log or log;
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	179 if session.conn then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	180 if session.notopen then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	181 session.send("<?xml version='1.0'?>");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	182 session.send(st.stanza("stream:stream", default_stream_attr):top_tag());
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	183 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	184 if reason then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	185 if type(reason) == "string" then -- assume stream error
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	186 log("info", "Disconnecting client, <stream:error> is: %s", reason);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	187 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	188 elseif type(reason) == "table" then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	189 if reason.condition then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	190 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	191 if reason.text then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	192 stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
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 if reason.extra then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	195 stanza:add_child(reason.extra);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	196 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	197 log("info", "Disconnecting client, <stream:error> is: %s", tostring(stanza));
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	198 session.send(stanza);
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	199 elseif reason.name then -- a stanza
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	200 log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason));
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	201 session.send(reason);
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 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	204 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	205 session.send("</stream:stream>");
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	206 session.conn:close();
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	207 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	208 end
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
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	211 --- Port listener
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	212 function listener.onconnect(conn)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	213 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	214 sessions[conn] = session;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	215
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	216 session.log("info", "Client connected");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	217
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	218 -- 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	219 if conn:ssl() then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	220 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	221 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	222
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	223 if opt_keepalives then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	224 conn:setoption("keepalive", opt_keepalives);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	225 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	226
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	227 session.close = session_close;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	228
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	229 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	230 session.stream = stream;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	231 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	232
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	233 function session.reset_stream()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	234 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	235 session.stream:reset();
129 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
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	238 local filter = session.filter;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	239 function session.data(data)
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	240 data = parse_frame(data).data;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	241 module:log("debug", "Websocket received: %s %i", data, #data)
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	242 -- COMPAT: Current client implementations send a self-closing <stream:stream>
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	243 data = data:gsub("/>$", ">");
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	244
677 eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function Florian Zeitz <florob@babelmonkeys.de> parents: 676 diff changeset	245 data = filter("bytes/in", data);
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	246 if data then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	247 local ok, err = stream:feed(data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	248 if ok then return; end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	249 log("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "):gsub("[%z\1-\31]", "_"));
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	250 session:close("not-well-formed");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	251 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	252 end
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	253
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	254 function session.send(s)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	255 s = tostring(s);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	256 local len = #s;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	257 if len < 126 then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	258 conn:write("\x81" .. string.char(len) .. s);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	259 elseif len <= 0xffff then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	260 conn:write("\x81" .. string.char(126) .. string.char(len/0x100) .. string.char(len%0x100) .. s);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	261 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	262 conn:write("\x81" .. string.char(127) .. string.char(len/0x100000000000000)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	263 .. string.char((len%0x100000000000000)/0x1000000000000) .. string.char((len%0x1000000000000)/0x10000000000)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	264 .. string.char((len%0x10000000000)/0x100000000) .. string.char((len%0x100000000)/0x1000000)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	265 .. string.char((len%0x1000000)/0x10000) .. string.char((len%0x10000)/0x100)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	266 .. string.char((len%0x100)))
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	267 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	268 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	269
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	270 if c2s_timeout then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	271 add_task(c2s_timeout, function ()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	272 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	273 session:close("connection-timeout");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	274 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	275 end);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	276 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	277
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	278 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	279 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	280
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	281 function listener.onincoming(conn, data)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	282 local session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	283 if session then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	284 session.data(data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	285 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	286 listener.onconnect(conn, data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	287 session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	288 session.data(data);
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	289 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	290 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	291
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	292 function listener.ondisconnect(conn, err)
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	293 local session = sessions[conn];
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	294 if session then
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	295 (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	296 sm_destroy_session(session, err);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	297 sessions[conn] = nil;
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	298 session = nil;
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	299 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	300 end
5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	301
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	302 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	303 sessions[conn] = session;
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
676 54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	306 function handle_request(event, path)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	307 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	308
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	309 -- Add sanity checks
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	310
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	311 response.conn:setlistener(listener);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	312 response.status = "101 Switching Protocols";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	313 response.headers.Upgrade = "websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	314 response.headers.Connection = "Upgrade";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	315 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	316 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	317
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	318 return "";
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	319 end
676 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 module.load()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	322 module:provides("http", {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	323 name = "xmpp-websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	324 route = {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	325 ["GET /*"] = handle_request;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	326 };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP Florian Zeitz <florob@babelmonkeys.de> parents: 129 diff changeset	327 });
129 5fc00a3e47b5 mod_websocket: Initial commit Ali Sabil <ali.sabil@gmail.com> parents: diff changeset	328 end

prosody-modules

eeb41cd5e9f3

mod_websocket/mod_websocket.lua

Software / code / prosody-modules

Annotate

mod_websocket/mod_websocket.lua @ 677:eeb41cd5e9f3

Software `/` code `/` prosody-modules