annotate mod_websocket/mod_websocket.lua @ 764:d11d91ee81ed

mod_pubsub_hub: New module that implements the Hub part of PubSubHubbub
author Kim Alvefur <zash@zash.se>
date Wed, 01 Aug 2012 16:11:12 +0200
parents 02fcb102b9aa
children d297d76010d4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
1 -- Prosody IM
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
2 -- Copyright (C) 2008-2010 Matthew Wild
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
3 -- Copyright (C) 2008-2010 Waqas Hussain
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
4 -- Copyright (C) 2012 Florian Zeitz
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
5 --
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
6 -- This project is MIT/X11 licensed. Please see the
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
7 -- COPYING file in the source package for more information.
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
8 --
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
9
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
10 module:set_global();
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
11
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
12 local add_task = require "util.timer".add_task;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
13 local new_xmpp_stream = require "util.xmppstream".new;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
14 local nameprep = require "util.encodings".stringprep.nameprep;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
15 local sessionmanager = require "core.sessionmanager";
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
16 local st = require "util.stanza";
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
17 local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
18 local uuid_generate = require "util.uuid".generate;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
19 local sha1 = require "util.hashes".sha1;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
20 local base64 = require "util.encodings".base64.encode;
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
21 local band = require "bit".band;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
22 local bxor = require "bit".bxor;
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
23
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
24 local xpcall, tostring, type = xpcall, tostring, type;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
25 local traceback = debug.traceback;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
26
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
27 local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
28
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
29 local log = module._log;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
30
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
31 local c2s_timeout = module:get_option_number("c2s_timeout");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
32 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
33 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
34
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
35 local sessions = module:shared("sessions");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
36
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
37 local stream_callbacks = { default_ns = "jabber:client", handlestanza = core_process_stanza };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
38 local listener = {};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
39
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
40 -- Websocket helpers
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
41 local function parse_frame(frame)
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
42 local result = {};
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
43 local pos = 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
44 local length_bytes = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
45 local counter = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
46 local tmp_byte;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
47
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
48 tmp_byte = string.byte(frame, pos);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
49 result.FIN = band(tmp_byte, 0x80) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
50 result.RSV1 = band(tmp_byte, 0x40) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
51 result.RSV2 = band(tmp_byte, 0x20) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
52 result.RSV3 = band(tmp_byte, 0x10) > 0;
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
53 result.opcode = band(tmp_byte, 0x0F);
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
54
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
55 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
56 tmp_byte = string.byte(frame, pos);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
57 result.MASK = band(tmp_byte, 0x80) > 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
58 result.length = band(tmp_byte, 0x7F);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
59
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
60 if result.length == 126 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
61 length_bytes = 2;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
62 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
63 elseif result.length == 127 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
64 length_bytes = 8;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
65 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
66 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
67
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
68 for i = 1, length_bytes do
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
69 pos = pos + 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
70 result.length = result.length * 255 + string.byte(frame, pos);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
71 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
72
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
73 if result.MASK then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
74 result.key = {string.byte(frame, pos+1), string.byte(frame, pos+2),
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
75 string.byte(frame, pos+3), string.byte(frame, pos+4)}
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
76
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
77 pos = pos + 5;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
78 result.data = "";
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
79 for i = pos, pos + result.length - 1 do
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
80 result.data = result.data .. string.char(bxor(result.key[counter+1], string.byte(frame, i)));
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
81 counter = (counter + 1) % 4;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
82 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
83 else
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
84 result.data = frame:sub(pos + 1, pos + result.length);
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
85 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
86
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
87 return result;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
88 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
89
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
90 local function build_frame(desc)
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
91 local length;
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
92 local result = "";
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
93
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
94 result = result .. string.char(0x80 * (desc.FIN and 1 or 0) + desc.opcode);
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
95
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
96 length = #desc.data;
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
97 if length <= 125 then -- 7-bit length
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
98 result = result .. string.char(length);
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
99 elseif length <= 0xFFFF then -- 2-byte length
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
100 result = result .. string.char(126);
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
101 result = result .. string.char(length/0x100) .. string.char(length%0x100);
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
102 else -- 8-byte length
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
103 result = result .. string.char(127);
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
104 for i = 7, 0, -1 do
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
105 result = result .. string.char(( length / (2^(8*i)) ) % 0x100);
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
106 end
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
107 end
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
108
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
109 result = result .. desc.data;
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
110
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
111 return result;
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
112 end
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
113
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
114 --- Stream events handlers
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
115 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
116 local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
117
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
118 function stream_callbacks.streamopened(session, attr)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
119 local send = session.send;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
120 session.host = nameprep(attr.to);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
121 if not session.host then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
122 session:close{ condition = "improper-addressing",
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
123 text = "A valid 'to' attribute is required on stream headers" };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
124 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
125 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
126 session.version = tonumber(attr.version) or 0;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
127 session.streamid = uuid_generate();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
128 (session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
129
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
130 if not hosts[session.host] then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
131 -- We don't serve this host...
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
132 session:close{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)};
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
133 return;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
134 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
135
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
136 -- COMPAT: Current client implementations need this to be self-closing
692
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable
Florian Zeitz <florob@babelmonkeys.de>
parents: 691
diff changeset
137 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
138 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
139 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
140 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
141 else
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable
Florian Zeitz <florob@babelmonkeys.de>
parents: 691
diff changeset
142 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
143 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
144 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
145 end
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
146
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
147 (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
148 session.notopen = nil;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
149
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
150 -- 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
151 -- 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
152 if session.secure == false then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
153 session.secure = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
154 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
155
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
156 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
157 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
158 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
159
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
160 send(features);
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
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
163 function stream_callbacks.streamclosed(session)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
164 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
165 session:close();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
166 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
167
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
168 function stream_callbacks.error(session, error, data)
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
169 if error == "no-stream" then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
170 session.log("debug", "Invalid opening stream header");
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
171 session:close("invalid-namespace");
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
172 elseif error == "parse-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
173 (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
174 session:close("not-well-formed");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
175 elseif error == "stream-error" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
176 local condition, text = "undefined-condition";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
177 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
178 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
179 if child.name ~= "text" then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
180 condition = child.name;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
181 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
182 text = child:get_text();
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
183 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
184 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
185 break;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
186 end
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 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
190 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
191 session:close(nil, text);
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
192 end
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
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
195 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
196 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
197 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
198 if stanza then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
199 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
200 end
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
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
203 --- Session methods
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
204 local function session_close(session, reason)
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
205 local log = session.log or log;
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
206 if session.conn then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
207 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
208 -- 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
209 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
210 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
211 else
2de21fa40382 mod_websocket: Make sending a self-closing <stream:stream> tag configurable
Florian Zeitz <florob@babelmonkeys.de>
parents: 691
diff changeset
212 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
213 end
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
214 end
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
215 if reason then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
216 if type(reason) == "string" then -- assume stream error
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
217 log("info", "Disconnecting client, <stream:error> is: %s", reason);
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
218 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
219 elseif type(reason) == "table" then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
220 if reason.condition then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
221 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
222 if reason.text then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
223 stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
224 end
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
225 if reason.extra then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
226 stanza:add_child(reason.extra);
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
227 end
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
228 log("info", "Disconnecting client, <stream:error> is: %s", tostring(stanza));
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
229 session.send(stanza);
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
230 elseif reason.name then -- a stanza
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
231 log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason));
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
232 session.send(reason);
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
233 end
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
234 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 session.send("</stream:stream>");
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
237 session.conn:close();
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
238 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
239 end
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
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
242 --- Port listener
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
243 function listener.onconnect(conn)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
244 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
245 sessions[conn] = session;
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
246
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
247 session.log("info", "Client connected");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
248
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
249 -- 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
250 if conn:ssl() then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
251 session.secure = true;
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 if opt_keepalives then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
255 conn:setoption("keepalive", opt_keepalives);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
256 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
257
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
258 session.close = session_close;
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
259
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
260 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
261 session.stream = stream;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
262 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
263
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
264 function session.reset_stream()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
265 session.notopen = true;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
266 session.stream:reset();
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
267 end
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
268
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
269 local filter = session.filter;
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
270 local buffer = "";
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
271 function session.data(data)
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
272 local frame = parse_frame(data);
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
273
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
274 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
275 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
276 buffer = buffer .. frame.data;
691
04662cc35280 mod_websocket: Answer ping frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 690
diff changeset
277 elseif frame.opcode == 0x9 then -- Ping frame
04662cc35280 mod_websocket: Answer ping frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 690
diff changeset
278 frame.opcode = 0xA;
04662cc35280 mod_websocket: Answer ping frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 690
diff changeset
279 conn:write(build_frame(frame));
04662cc35280 mod_websocket: Answer ping frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 690
diff changeset
280 return;
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
281 else
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
282 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
283 return;
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
284 end
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
285
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
286 if frame.FIN then
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
287 data = buffer;
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
288 buffer = "";
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
289
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
290 -- 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
291 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
292 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
293 end
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
294
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
295 data = filter("bytes/in", data);
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
296 if data then
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
297 local ok, err = stream:feed(data);
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
298 if ok then return; end
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
299 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
300 session:close("not-well-formed");
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
301 end
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
302 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
303 end
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
304
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
305 function session.send(s)
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
306 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
307 end
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 if c2s_timeout then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
310 add_task(c2s_timeout, function ()
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
311 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
312 session:close("connection-timeout");
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
313 end
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
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
317 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
318 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
319
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
320 function listener.onincoming(conn, data)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
321 local session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
322 if session then
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
323 session.data(data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
324 else
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
325 listener.onconnect(conn, data);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
326 session = sessions[conn];
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
327 session.data(data);
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
328 end
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
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
331 function listener.ondisconnect(conn, err)
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
332 local session = sessions[conn];
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
333 if session then
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
334 (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
335 sm_destroy_session(session, err);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
336 sessions[conn] = nil;
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
337 session = nil;
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
338 end
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
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
341 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
342 sessions[conn] = session;
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
343 end
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
344
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
345 function handle_request(event, path)
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
346 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
347
689
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients
Florian Zeitz <florob@babelmonkeys.de>
parents: 688
diff changeset
348 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
349 response.headers.content_type = "text/html";
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients
Florian Zeitz <florob@babelmonkeys.de>
parents: 688
diff changeset
350 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
351 <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
352 </body></html>]];
4d21bd5dde49 mod_websocket: Be nice to non-websocket clients
Florian Zeitz <florob@babelmonkeys.de>
parents: 688
diff changeset
353 end
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
354
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
355 response.conn:setlistener(listener);
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
356 response.status = "101 Switching Protocols";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
357 response.headers.Upgrade = "websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
358 response.headers.Connection = "Upgrade";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
359 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
360 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
361
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
362 return "";
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
363 end
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
364
688
e87678a52720 mod_websocket: Make this a shared module
Florian Zeitz <florob@babelmonkeys.de>
parents: 687
diff changeset
365 function module.add_host(module)
e87678a52720 mod_websocket: Make this a shared module
Florian Zeitz <florob@babelmonkeys.de>
parents: 687
diff changeset
366 module:depends("http");
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
367 module:provides("http", {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
368 name = "xmpp-websocket";
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
369 route = {
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
370 ["GET /*"] = handle_request;
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
371 };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
372 });
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
373 end