Mercurial > prosody-modules

annotate mod_websocket/mod_websocket.lua @ 1306:63e7e20a0074

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_manifesto: Only keep track of who we sent notifications to
author Kim Alvefur <zash@zash.se>
date Mon, 17 Feb 2014 16:08:40 +0100
parents 717a08403b26
children 853a382c9bd6
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) 2012 Florian Zeitz
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
3 --
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
4 -- 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
5 -- 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
6 --
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
7
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
8 module:set_global();
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
9
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
10 local add_filter = require "util.filters".add_filter;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
11 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
12 local base64 = require "util.encodings".base64.encode;
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
13 local softreq = require "util.dependencies".softreq;
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
14 local portmanager = require "core.portmanager";
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
15
905
eae665bc2122 mod_websocket: Fix require to work with lua-bitop (Thanks István and Zash)
Florian Zeitz <florob@babelmonkeys.de>
parents: 895
diff changeset
16 local bit;
eae665bc2122 mod_websocket: Fix require to work with lua-bitop (Thanks István and Zash)
Florian Zeitz <florob@babelmonkeys.de>
parents: 895
diff changeset
17 pcall(function() bit = require"bit"; end);
eae665bc2122 mod_websocket: Fix require to work with lua-bitop (Thanks István and Zash)
Florian Zeitz <florob@babelmonkeys.de>
parents: 895
diff changeset
18 bit = bit or softreq"bit32"
eae665bc2122 mod_websocket: Fix require to work with lua-bitop (Thanks István and Zash)
Florian Zeitz <florob@babelmonkeys.de>
parents: 895
diff changeset
19 if not bit then module:log("error", "No bit module found. Either LuaJIT 2, lua-bitop or Lua 5.2 is required"); end
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
20 local band = bit.band;
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
21 local bxor = bit.bxor;
910
c469a2b2d77d mod_websocket: Avoid floating point division
Florian Zeitz <florob@babelmonkeys.de>
parents: 909
diff changeset
22 local rshift = bit.rshift;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
23
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
24 local t_concat = table.concat;
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
25 local s_byte = string.byte;
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
26 local s_char= string.char;
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
27
1193
bbe278a56b0a mod_websocket: Add consider_websocket_secure option
Florian Zeitz <florob@babelmonkeys.de>
parents: 1029
diff changeset
28 local consider_websocket_secure = module:get_option_boolean("consider_websocket_secure");
856
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
29 local cross_domain = module:get_option("cross_domain_websocket");
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
30 if cross_domain then
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
31 if cross_domain == true then
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
32 cross_domain = "*";
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
33 elseif type(cross_domain) == "table" then
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
34 cross_domain = t_concat(cross_domain, ", ");
856
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
35 end
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
36 if type(cross_domain) ~= "string" then
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
37 cross_domain = nil;
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
38 end
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
39 end
7eb54ed58856 mod_websocket: Add CORS support
Florian Zeitz <florob@babelmonkeys.de>
parents: 853
diff changeset
40
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
41 module:depends("c2s")
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
42 local sessions = module:shared("c2s/sessions");
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
43 local c2s_listener = portmanager.get_service("c2s").listener;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
44
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
45 -- Websocket helpers
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
46 local function parse_frame(frame)
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
47 local result = {};
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
48 local pos = 1;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
49 local length_bytes = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
50 local tmp_byte;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
51
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
52 if #frame < 2 then return; end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
53
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
54 tmp_byte = s_byte(frame, pos);
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
55 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
56 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
57 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
58 result.RSV3 = band(tmp_byte, 0x10) > 0;
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
59 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
60
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
61 pos = pos + 1;
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
62 tmp_byte = s_byte(frame, pos);
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
63 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
64 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
65
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
66 if result.length == 126 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
67 length_bytes = 2;
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 elseif result.length == 127 then
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
70 length_bytes = 8;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
71 result.length = 0;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
72 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
73
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
74 if #frame < (2 + length_bytes) then return; end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
75
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
76 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
77 pos = pos + 1;
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
78 result.length = result.length * 256 + s_byte(frame, pos);
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
79 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
80
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
81 if #frame < (2 + length_bytes + (result.MASK and 4 or 0) + result.length) then return; end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
82
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
83 if result.MASK then
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
84 local counter = 0;
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
85 local data = {};
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
86 local key = {s_byte(frame, pos+1), s_byte(frame, pos+2),
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
87 s_byte(frame, pos+3), s_byte(frame, pos+4)}
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
88 result.key = key;
677
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 pos = pos + 5;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
91 for i = pos, pos + result.length - 1 do
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
92 data[#data+1] = s_char(bxor(key[counter+1], s_byte(frame, i)));
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
93 counter = (counter + 1) % 4;
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
94 end
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
95 result.data = t_concat(data, "");
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
96 else
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
97 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
98 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
99
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
100 return result, 2 + length_bytes + (result.MASK and 4 or 0) + result.length;
677
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
101 end
eeb41cd5e9f3 mod_websocket: Move frame handling into a separate function
Florian Zeitz <florob@babelmonkeys.de>
parents: 676
diff changeset
102
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
103 local function build_frame(desc)
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
104 local length;
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
105 local result = {};
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
106 local data = desc.data or "";
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
107
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
108 result[#result+1] = s_char(0x80 * (desc.FIN and 1 or 0) + desc.opcode);
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
109
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
110 length = #data;
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
111 if length <= 125 then -- 7-bit length
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
112 result[#result+1] = s_char(length);
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
113 elseif length <= 0xFFFF then -- 2-byte length
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
114 result[#result+1] = s_char(126);
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
115 result[#result+1] = s_char(rshift(length, 8)) .. s_char(length%0x100);
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
116 else -- 8-byte length
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
117 result[#result+1] = s_char(127);
1025
b56a9aa171b3 mod_websocket: Fix length calculation
Florian Zeitz <florob@babelmonkeys.de>
parents: 969
diff changeset
118 local length_bytes = {};
b56a9aa171b3 mod_websocket: Fix length calculation
Florian Zeitz <florob@babelmonkeys.de>
parents: 969
diff changeset
119 for i = 8, 1, -1 do
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
120 length_bytes[i] = s_char(length % 0x100);
1025
b56a9aa171b3 mod_websocket: Fix length calculation
Florian Zeitz <florob@babelmonkeys.de>
parents: 969
diff changeset
121 length = rshift(length, 8);
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
122 end
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
123 result[#result+1] = t_concat(length_bytes, "");
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
124 end
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
125
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
126 result[#result+1] = data;
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
127
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
128 return t_concat(result, "");
687
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
129 end
d141375ece4b mod_websocket: Move frame building into a function
Florian Zeitz <florob@babelmonkeys.de>
parents: 677
diff changeset
130
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
131 --- Filter stuff
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
132 function handle_request(event, path)
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
133 local request, response = event.request, event.response;
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
134 local conn = response.conn;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
135
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
136 if not request.headers.sec_websocket_key then
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
137 response.headers.content_type = "text/html";
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
138 return [[<!DOCTYPE html><html><head><title>Websocket</title></head><body>
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
139 <p>It works! Now point your WebSocket client to this URL to connect to Prosody.</p>
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
140 </body></html>]];
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
141 end
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
142
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
143 local wants_xmpp = false;
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
144 (request.headers.sec_websocket_protocol or ""):gsub("([^,]*),?", function (proto)
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
145 if proto == "xmpp" then wants_xmpp = true; end
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
146 end);
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
147
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
148 if not wants_xmpp then
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
149 return 501;
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
150 end
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
151
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
152 local function websocket_close(code, message)
1026
e254cf49e14d mod_websocket: Call string and table functions through locals
Florian Zeitz <florob@babelmonkeys.de>
parents: 1025
diff changeset
153 local data = s_char(rshift(code, 8)) .. s_char(code%0x100) .. message;
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
154 conn:write(build_frame({opcode = 0x8, FIN = true, data = data}));
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
155 conn:close();
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
156 end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
157
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
158 local dataBuffer;
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
159 local function handle_frame(frame)
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
160 local opcode = frame.opcode;
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
161 local length = frame.length;
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
162 module:log("debug", "Websocket received: %s (%i bytes)", frame.data, #frame.data);
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
163
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
164 -- Error cases
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
165 if frame.RSV1 or frame.RSV2 or frame.RSV3 then -- Reserved bits non zero
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
166 websocket_close(1002, "Reserved bits not zero");
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
167 return false;
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
168 end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
169
1029
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
170 if opcode == 0x8 then
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
171 if length == 1 then
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
172 websocket_close(1002, "Close frame with payload, but too short for status code");
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
173 return false;
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
174 elseif length >= 2 then
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
175 local status_code = s_byte(frame.data, 1) * 256 + s_byte(frame.data, 2)
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
176 if status_code < 1000 then
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
177 websocket_close(1002, "Closed with invalid status code");
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
178 return false;
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
179 elseif ((status_code > 1003 and status_code < 1007) or status_code > 1011) and status_code < 3000 then
1272
717a08403b26 mod_websocket: Fix typo "Cosed" -> "Closed"
Florian Zeitz <florob@babelmonkeys.de>
parents: 1193
diff changeset
180 websocket_close(1002, "Closed with reserved status code");
1029
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
181 return false;
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
182 end
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
183 end
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
184 end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
185
1029
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
186 if opcode >= 0x8 then
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
187 if length > 125 then -- Control frame with too much payload
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
188 websocket_close(1002, "Payload too large");
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
189 return false;
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
190 end
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
191
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
192 if not frame.FIN then -- Fragmented control frame
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
193 websocket_close(1002, "Fragmented control frame");
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
194 return false;
9d85aded2fb6 mod_websocket: Add some more error checks for close frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 1028
diff changeset
195 end
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
196 end
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
197
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
198 if (opcode > 0x2 and opcode < 0x8) or (opcode > 0xA) then
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
199 websocket_close(1002, "Reserved opcode");
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
200 return false;
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
201 end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
202
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
203 if opcode == 0x0 and not dataBuffer then
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
204 websocket_close(1002, "Unexpected continuation frame");
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
205 return false;
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
206 end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
207
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
208 if (opcode == 0x1 or opcode == 0x2) and dataBuffer then
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
209 websocket_close(1002, "Continuation frame expected");
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
210 return false;
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
211 end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
212
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
213 -- Valid cases
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
214 if opcode == 0x0 then -- Continuation frame
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
215 dataBuffer[#dataBuffer+1] = frame.data;
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
216 elseif opcode == 0x1 then -- Text frame
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
217 dataBuffer = {frame.data};
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
218 elseif opcode == 0x2 then -- Binary frame
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
219 websocket_close(1003, "Only text frames are supported");
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
220 return;
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
221 elseif opcode == 0x8 then -- Close request
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
222 websocket_close(1000, "Goodbye");
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
223 return;
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
224 elseif opcode == 0x9 then -- Ping frame
691
04662cc35280 mod_websocket: Answer ping frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 690
diff changeset
225 frame.opcode = 0xA;
04662cc35280 mod_websocket: Answer ping frames
Florian Zeitz <florob@babelmonkeys.de>
parents: 690
diff changeset
226 conn:write(build_frame(frame));
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
227 return "";
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
228 else
1028
81065638299d mod_websocket: Access some values via locales instead of through tables
Florian Zeitz <florob@babelmonkeys.de>
parents: 1027
diff changeset
229 log("warn", "Received frame with unsupported opcode %i", opcode);
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
230 return "";
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
231 end
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
232
690
5acc203972f3 mod_websocket: Add fragmentation support
Florian Zeitz <florob@babelmonkeys.de>
parents: 689
diff changeset
233 if frame.FIN then
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
234 local data = t_concat(dataBuffer, "");
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
235 dataBuffer = nil;
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
236 return data;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
237 end
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
238 return "";
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
239 end
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
240
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
241 conn:setlistener(c2s_listener);
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
242 c2s_listener.onconnect(conn);
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
243
1193
bbe278a56b0a mod_websocket: Add consider_websocket_secure option
Florian Zeitz <florob@babelmonkeys.de>
parents: 1029
diff changeset
244 local session = sessions[conn];
bbe278a56b0a mod_websocket: Add consider_websocket_secure option
Florian Zeitz <florob@babelmonkeys.de>
parents: 1029
diff changeset
245
bbe278a56b0a mod_websocket: Add consider_websocket_secure option
Florian Zeitz <florob@babelmonkeys.de>
parents: 1029
diff changeset
246 session.secure = consider_websocket_secure or session.secure;
bbe278a56b0a mod_websocket: Add consider_websocket_secure option
Florian Zeitz <florob@babelmonkeys.de>
parents: 1029
diff changeset
247
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
248 local frameBuffer = "";
1193
bbe278a56b0a mod_websocket: Add consider_websocket_secure option
Florian Zeitz <florob@babelmonkeys.de>
parents: 1029
diff changeset
249 add_filter(session, "bytes/in", function(data)
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
250 local cache = {};
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
251 frameBuffer = frameBuffer .. data;
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
252 local frame, length = parse_frame(frameBuffer);
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
253
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
254 while frame do
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
255 frameBuffer = frameBuffer:sub(length + 1);
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
256 local result = handle_frame(frame);
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
257 if not result then return; end
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
258 cache[#cache+1] = result;
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
259 frame, length = parse_frame(frameBuffer);
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
260 end
1027
6a2dfa8af421 mod_websocket: Optimize string concatenation
Florian Zeitz <florob@babelmonkeys.de>
parents: 1026
diff changeset
261 return t_concat(cache, "");
844
a0987c0e4e1d mod_websocket: Check whether the xmpp sub-protocol was requested
Florian Zeitz <florob@babelmonkeys.de>
parents: 842
diff changeset
262 end);
a0987c0e4e1d mod_websocket: Check whether the xmpp sub-protocol was requested
Florian Zeitz <florob@babelmonkeys.de>
parents: 842
diff changeset
263
1193
bbe278a56b0a mod_websocket: Add consider_websocket_secure option
Florian Zeitz <florob@babelmonkeys.de>
parents: 1029
diff changeset
264 add_filter(session, "bytes/out", function(data)
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
265 return build_frame({ FIN = true, opcode = 0x01, data = tostring(data)});
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
266 end);
842
32df4d13f178 mod_websocket: More robust frame handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 840
diff changeset
267
969
8eba9d4809d2 mod_websocket: Set status_code instead of status
Florian Zeitz <florob@babelmonkeys.de>
parents: 910
diff changeset
268 response.status_code = 101;
895
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
269 response.headers.upgrade = "websocket";
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
270 response.headers.connection = "Upgrade";
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
271 response.headers.sec_webSocket_accept = base64(sha1(request.headers.sec_websocket_key .. "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"));
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
272 response.headers.sec_webSocket_protocol = "xmpp";
1f4d77104da5 mod_websocket: Simplify by getting the c2s_listener from mod_c2s
Florian Zeitz <florob@babelmonkeys.de>
parents: 857
diff changeset
273 response.headers.access_control_allow_origin = cross_domain;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
274
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
275 return "";
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
276 end
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
277
688
e87678a52720 mod_websocket: Make this a shared module
Florian Zeitz <florob@babelmonkeys.de>
parents: 687
diff changeset
278 function module.add_host(module)
e87678a52720 mod_websocket: Make this a shared module
Florian Zeitz <florob@babelmonkeys.de>
parents: 687
diff changeset
279 module:depends("http");
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
280 module:provides("http", {
909
ec4c6e8f277d mod_websocket: Change the HTTP name to websocket, and override the default_path instead
Florian Zeitz <florob@babelmonkeys.de>
parents: 905
diff changeset
281 name = "websocket";
ec4c6e8f277d mod_websocket: Change the HTTP name to websocket, and override the default_path instead
Florian Zeitz <florob@babelmonkeys.de>
parents: 905
diff changeset
282 default_path = "xmpp-websocket";
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
283 route = {
849
6e2ec1825182 mod_websocket: Accept GET request without trailing /
Florian Zeitz <florob@babelmonkeys.de>
parents: 844
diff changeset
284 ["GET"] = handle_request;
6e2ec1825182 mod_websocket: Accept GET request without trailing /
Florian Zeitz <florob@babelmonkeys.de>
parents: 844
diff changeset
285 ["GET /"] = handle_request;
676
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
286 };
54fa9d6d7809 mod_websocket: New mod_c2s based version, still WIP
Florian Zeitz <florob@babelmonkeys.de>
parents: 129
diff changeset
287 });
129
5fc00a3e47b5 mod_websocket: Initial commit
Ali Sabil <ali.sabil@gmail.com>
parents:
diff changeset
288 end