|
4252
|
1 local mod_muc = module:depends("muc") |
|
|
2 local http = require "net.http" |
|
|
3 local st = require "util.stanza" |
|
|
4 |
|
|
5 local ogp_pattern = [[<meta property=["'](og:.-)["'] content=["'](.-)["'].->]] |
|
|
6 local ogp_pattern2 = [[<meta content=["'](.-)["'] property=["'](og:.-)["'].->]] |
|
|
7 local url_pattern = [[https?://%S+]] |
|
|
8 |
|
|
9 local function ogp_handler(event) |
|
|
10 local room, stanza = event.room, st.clone(event.stanza) |
|
|
11 local body = stanza:get_child_text("body") |
|
|
12 if not body then return; end |
|
|
13 |
|
|
14 local url = body:match(url_pattern) |
|
|
15 if not url then return; end |
|
|
16 |
|
|
17 local origin_id = stanza:find("{urn:xmpp:sid:0}origin-id@id") |
|
|
18 if not origin_id then return; end |
|
|
19 |
|
|
20 http.request( |
|
|
21 url, |
|
|
22 nil, |
|
|
23 function(response_body, response_code, _) |
|
|
24 if response_code ~= 200 then |
|
|
25 return |
|
|
26 end |
|
|
27 |
|
|
28 local to = room.jid |
|
|
29 local from = room and room.jid or module.host |
|
|
30 local fastening = st.message({to = to, from = from}):tag("apply-to", {xmlns = "urn:xmpp:fasten:0", id = origin_id}) |
|
|
31 local found_metadata = false |
|
|
32 local message_body = "" |
|
|
33 for property, content in response_body:gmatch(ogp_pattern) do |
|
|
34 module:log("info", property .. "\t" .. content) |
|
|
35 fastening:tag( |
|
|
36 "meta", |
|
|
37 { |
|
|
38 xmlns = "http://www.w3.org/1999/xhtml", |
|
|
39 property = property, |
|
|
40 content = content |
|
|
41 } |
|
|
42 ):up() |
|
|
43 found_metadata = true |
|
|
44 message_body = message_body .. property .. "\t" .. content .. "\n" |
|
|
45 end |
|
|
46 for content, property in response_body:gmatch(ogp_pattern2) do |
|
|
47 module:log("info", property .. "\t" .. content) |
|
|
48 fastening:tag( |
|
|
49 "meta", |
|
|
50 { |
|
|
51 xmlns = "http://www.w3.org/1999/xhtml", |
|
|
52 property = property, |
|
|
53 content = content |
|
|
54 } |
|
|
55 ):up() |
|
|
56 found_metadata = true |
|
|
57 message_body = message_body .. property .. "\t" .. content .. "\n" |
|
|
58 end |
|
|
59 |
|
|
60 if found_metadata then |
|
|
61 mod_muc.get_room_from_jid(room.jid):broadcast_message(fastening) |
|
|
62 end |
|
|
63 module:log("info", tostring(fastening)) |
|
|
64 end |
|
|
65 ) |
|
|
66 end |
|
|
67 |
|
|
68 module:hook("muc-occupant-groupchat", ogp_handler) |
