Mercurial > prosody-modules

annotate mod_inject_ecaps2/mod_inject_ecaps2.lua @ 4398:a16b689525d7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_migrate: Allow migrating data not attached to any user / nil user Certain data more related to the server itself is stored with user = nil
author Kim Alvefur <zash@zash.se>
date Tue, 26 Jan 2021 17:18:44 +0100
parents ce946d9d982e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
1 module:depends("cache_c2s_caps");
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
3 local st = require "util.stanza";
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
4 local hashes = require "util.hashes";
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 local base64 = require "util.encodings".base64;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
6 local t_insert, t_sort, t_concat = table.insert, table.sort, table.concat;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
7
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
8 local algorithms = module:get_option_set("ecaps2_hashes", { "sha-256", "sha-512" });
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
9
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
10 -- TODO: Add all of the other hashes supported.
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
11 local algorithm_map = {
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
12 ["sha-256"] = hashes.sha256;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
13 ["sha-512"] = hashes.sha512;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
14 };
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
15
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
16 -- TODO: move that to util.caps maybe.
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
17 local function calculate_hash(disco_info)
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
18 local identities, features, extensions = {}, {}, {};
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
19 for _, tag in ipairs(disco_info) do
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
20 if tag.name == "identity" then
2908
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
21 t_insert(identities, ((tag.attr.category or "").."\31"..
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
22 (tag.attr.type or "").."\31"..
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
23 (tag.attr["xml:lang"] or "").."\31"..
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
24 (tag.attr.name or "").."\31\30"));
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
25 elseif tag.name == "feature" then
2908
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
26 t_insert(features, (tag.attr.var or "").."\31");
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
27 elseif tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
28 local form = {};
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
29 for _, field in ipairs(tag.tags) do
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
30 if field.name == "field" and field.attr.xmlns == "jabber:x:data" and field.attr.var then
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
31 local values = {};
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
32 for _, value in ipairs(field.tags) do
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
33 if value.name == "value" and value.attr.xmlns == "jabber:x:data" then
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
34 value = #value.tags == 0 and value:get_text();
2908
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
35 if value then t_insert(values, value.."\31"); end
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
36 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
37 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
38 t_sort(values);
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
39 if #values > 0 then
2908
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
40 t_insert(form, field.attr.var.."\31"..t_concat(values, "\31").."\31\30");
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
41 else
2908
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
42 t_insert(form, field.attr.var.."\31\30");
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
43 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
44 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
45 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46 t_sort(form);
2908
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
47 form = t_concat(form, "\29").."\29";
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
48 t_insert(extensions, form);
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
49 else
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
50 return nil, "Unknown element in disco#info";
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
51 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
52 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
53 t_sort(identities);
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
54 t_sort(features);
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
55 t_sort(extensions);
2908
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
56 if #identities > 0 then identities = t_concat(identities, "\28").."\28"; else identities = "\28"; end
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
57 if #features > 0 then features = t_concat(features).."\28"; else features = "\28"; end
5665d14dcc6e mod_inject_ecaps2: Add Lua 5.1 compatibility by replacing \xHEX with \DECIMAL in strings
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2907
diff changeset
58 if #extensions > 0 then extensions = t_concat(extensions, "\28").."\28"; else extensions = "\28"; end
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
59 return features..identities..extensions;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
60 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
61
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
62 local function caps_handler(event)
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
63 local origin = event.origin;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
64
2913
3fb4f72b3dfd mod_inject_ecaps2: Check for unset presence
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2910
diff changeset
65 if origin.presence == nil or origin.presence:get_child("c", "urn:xmpp:caps") then
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
66 return;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
67 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
68
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
69 local disco_info = origin.caps_cache;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
70 if disco_info == nil then
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
71 return;
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
72 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
73
2910
415455faccae mod_inject_ecaps2: Return if calculating the hash failed
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2909
diff changeset
74 local extension_string, err = calculate_hash(disco_info);
415455faccae mod_inject_ecaps2: Return if calculating the hash failed
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2909
diff changeset
75 if extension_string == nil then
415455faccae mod_inject_ecaps2: Return if calculating the hash failed
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2909
diff changeset
76 module:log("warn", "Failed to calculate ecaps2 hash: %s", err)
415455faccae mod_inject_ecaps2: Return if calculating the hash failed
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2909
diff changeset
77 return;
415455faccae mod_inject_ecaps2: Return if calculating the hash failed
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2909
diff changeset
78 end
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
79
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
80 local ecaps2 = st.stanza("c", { xmlns = "urn:xmpp:caps" });
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
81 for algo in algorithms do
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
82 local func = algorithm_map[algo];
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
83 if func ~= nil then
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
84 local hash = base64.encode(func(extension_string));
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
85 ecaps2:tag("hash", { xmlns = "urn:xmpp:hashes:2"; algo = algo })
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
86 :text(hash)
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
87 :up();
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
88 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
89 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
90
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
91 module:log("debug", "Injected ecaps2 element in presence");
3105
ce946d9d982e mod_inject_ecaps2: Inject the <c/> element in the presence, not util.hashes.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2913
diff changeset
92 origin.presence:add_child(ecaps2);
2907
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
93 end
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
94
776017c92076 mod_inject_ecaps2: New module adding support for XEP-0390 to all local clients supporting XEP-0115
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
95 module:hook("c2s-capabilities-changed", caps_handler);