prosody-modules
f1f796e551f1
mod_json_streams/mod_json_streams.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody-modules

Annotate

mod_json_streams/mod_json_streams.lua @ 4076:f1f796e551f1

mod_http_upload: Log warning when loaded on user host
author Matthew Wild <mwild1@gmail.com>
date Tue, 25 Aug 2020 13:13:56 +0100
parent 350:98569ec25ac2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
349
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
1 --
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
2 -- XEP-0295: JSON Encodings for XMPP
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
3 --
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
4
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
5 module.host = "*"
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
6
350
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
7 local httpserver = require "net.httpserver";
349
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
8 local filters = require "util.filters"
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
9 local json = require "util.json"
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
10
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
11 local json_escapes = {
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
12 ["\""] = "\\\"", ["\\"] = "\\\\", ["\b"] = "\\b", ["\f"] = "\\f",
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
13 ["\n"] = "\\n", ["\r"] = "\\r", ["\t"] = "\\t"};
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
14
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
15 local s_char = string.char;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
16 for i=0,31 do
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
17 local ch = s_char(i);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
18 if not json_escapes[ch] then json_escapes[ch] = ("\\u%.4X"):format(i); end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
19 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
20
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
21 local state_out = 0;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
22 local state_key_before = 1;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
23 local state_key_in = 2;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
24 local state_key_escape = 3;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
25 local state_key_after = 4;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
26 local state_val_before = 5;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
27 local state_val_in = 6;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
28 local state_val_escape = 7;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
29 local state_val_after = 8;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
30
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
31 local whitespace = { [" "] = true, ["\n"] = true, ["\r"] = true, ["\t"] = true };
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
32 function json_decoder()
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
33 local state = state_out;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
34 local quote;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
35 local output = "";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
36 local buffer = "";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
37 return function(input)
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
38 for ch in input:gmatch(".") do
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
39 module:log("debug", "%s | %d", ch, state)
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
40 local final = false;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
41 if state == state_out then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
42 if whitespace[ch] then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
43 elseif ch ~= "{" then return nil, "{ expected";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
44 else state = state_key_before end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
45 elseif state == state_key_before then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
46 if whitespace[ch] then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
47 elseif ch ~= "'" and ch ~= "\"" then return nil, "\" expected";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
48 else quote = ch; state = state_key_in; end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
49 elseif state == state_key_in then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
50 if ch == quote then state = state_key_after;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
51 elseif ch ~= "s" then return nil, "invalid key, 's' expected"; -- only s as key allowed
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
52 else end -- ignore key
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
53 elseif state == state_key_after then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
54 if whitespace[ch] then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
55 elseif ch ~= ":" then return nil, ": expected";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
56 else state = state_val_before; end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
57 elseif state == state_val_before then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
58 if whitespace[ch] then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
59 elseif ch ~= "'" and ch ~= "\"" then return nil, "\" expected";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
60 else quote = ch; state = state_val_in; end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
61 elseif state == state_val_in then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
62 if ch == quote then state = state_val_after;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
63 elseif ch == "\\" then state = state_val_escape;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
64 else end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
65 elseif state == state_val_after then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
66 if whitespace[ch] then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
67 elseif ch ~= "}" then return nil, "} expected";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
68 else state = state_out;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
69 final = true;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
70 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
71 elseif state == state_val_escape then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
72 state = state_val_in;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
73 else
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
74 module:log("error", "Unhandled state: "..state);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
75 return nil, "Unhandled state in parser"
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
76 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
77 buffer = buffer..ch;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
78 if final then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
79 module:log("debug", "%s", buffer)
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
80 local tmp;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
81 pcall(function() tmp = json.decode(buffer); end);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
82 if not tmp then return nil, "Invalid JSON"; end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
83 output, buffer = output..tmp.s, "";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
84 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
85 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
86 local _ = output; output = "";
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
87 return _;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
88 end;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
89 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
90
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
91 function filter_hook(session)
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
92 local determined = false;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
93 local is_json = false;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
94 local function in_filter(t)
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
95 if not determined then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
96 is_json = (t:sub(1,1) == "{") and json_decoder();
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
97 determined = true;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
98 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
99 if is_json then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
100 local s, err = is_json(t);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
101 if not err then return s; end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
102 session:close("not-well-formed");
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
103 return;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
104 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
105 return t;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
106 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
107 local function out_filter(t)
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
108 if is_json then
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
109 return '{"s":"' .. t:gsub(".", json_escapes) .. '"}'; -- encode
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
110 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
111 return t;
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
112 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
113 filters.add_filter(session, "bytes/in", in_filter, 100);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
114 filters.add_filter(session, "bytes/out", out_filter, 100);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
115 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
116
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
117 function module.load()
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
118 filters.add_filter_hook(filter_hook);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
119 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
120 function module.unload()
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
121 filters.remove_filter_hook(filter_hook);
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
122 end
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
123
350
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
124 function encode(data)
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
125 if type(data) == "string" then
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
126 data = json.encode({ s = data });
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
127 elseif type(data) == "table" and data.body then
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
128 data.body = json.encode({ s = data.body });
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
129 data.headers["Content-Type"] = "application/json";
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
130 end
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
131 return data;
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
132 end
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
133 function handle_request(method, body, request)
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
134 local mod_bosh = modulemanager.get_module("*", "bosh")
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
135 if mod_bosh then
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
136 if body and method == "POST" then
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
137 pcall(function() body = json.decode(body).s; end);
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
138 end
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
139 local _send = request.send;
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
140 function request:send(data) return _send(self, encode(data)); end
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
141 return encode(mod_bosh.handle_request(method, body, request));
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
142 end
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
143 return "<html><body>mod_bosh not loaded</body></html>";
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
144 end
349
ee99eafdd168 mod_json_streams: An implementation of XEP-0295: JSON Encodings for XMPP.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
145
350
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
146 local function setup()
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
147 local ports = module:get_option("jsonstreams_ports") or { 5280 };
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
148 httpserver.new_from_config(ports, handle_request, { base = "jsonstreams" });
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
149 end
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
150 if prosody.start_time then -- already started
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
151 setup();
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
152 else
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
153 prosody.events.add_handler("server-started", setup);
98569ec25ac2 mod_json_streams: Add BOSH support (on HTTP path "/jsonstreams").
Waqas Hussain <waqas20@gmail.com>
parents: 349
diff changeset
154 end