prosody-modules
05bea2f43d97
mod_cache_c2s_caps/mod_cache_c2s_caps.lua

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

Software / code / prosody-modules

Annotate

mod_cache_c2s_caps/mod_cache_c2s_caps.lua @ 4785:05bea2f43d97

mod_csi: Obsolete this module, it is included in Prosody since 0.11
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 09 Jul 2021 18:30:13 +0200
parent 4320:8fc16174fec6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
1 local st_iq = require "util.stanza".iq;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2 local uuid_gen = require "util.uuid".generate;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
3 local calculate_hash = require "util.caps".calculate_hash;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
4
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 -- Map of jid..node, to avoid querying the same client multiple times for the same value.
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
6 local in_flight_iqs = {}
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
7
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
8 -- Some clients (*ahem* poezio…) don’t include the @node in their result iq.
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
9 local iq_node_map = {}
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
10
3464
13b394b0db82 mod_cache_c2s_caps: Fail to load if module:send_iq() is not available
Matthew Wild <mwild1@gmail.com>
parents: 3456
diff changeset
11 assert(module.send_iq, "This module is not compatible with this version of Prosody.");
13b394b0db82 mod_cache_c2s_caps: Fail to load if module:send_iq() is not available
Matthew Wild <mwild1@gmail.com>
parents: 3456
diff changeset
12
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
13 local function iq_result_handler(event)
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
14 local origin, stanza = event.origin, event.stanza;
3111
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
15
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
16 local query = stanza:get_child("query", "http://jabber.org/protocol/disco#info");
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
17 if not query then
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
18 origin.log("debug", "Wrong iq payload in disco#info result: %s", stanza);
3456
b85622b577ad mod_cache_c2s_caps: Unset the caps_cache also on errors due to the result validation.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3455
diff changeset
19 origin.caps_cache = nil;
3111
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
20 return;
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
21 end
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
22
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
23 local from = stanza.attr.from;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
24 local id = stanza.attr.id;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
25 local node_string = query.attr.node;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
26 local node_query = iq_node_map[from..id];
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
27 if node_string == nil then
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
28 node_string = node_query;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
29 query.attr.node = node_query;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
30 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
31 iq_node_map[from..id] = nil;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
32
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
33 if node_string ~= node_query then
3080
b003d72d9ce6 mod_cache_c2s_caps: Switch to origin.log to provide better debug to admins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2901
diff changeset
34 origin.log("debug", "Wrong node for our disco#info query, expected %s, received %s", node_string, node_query);
3456
b85622b577ad mod_cache_c2s_caps: Unset the caps_cache also on errors due to the result validation.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3455
diff changeset
35 origin.caps_cache = nil;
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
36 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
37 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
38
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
39 local node, ver = node_query:match("([^#]+)#([^#]+)");
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
40 local hash = calculate_hash(query)
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
41 if ver ~= hash then
3080
b003d72d9ce6 mod_cache_c2s_caps: Switch to origin.log to provide better debug to admins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2901
diff changeset
42 origin.log("debug", "Wrong hash for disco#info: %s ~= %s", ver, hash);
3456
b85622b577ad mod_cache_c2s_caps: Unset the caps_cache also on errors due to the result validation.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3455
diff changeset
43 origin.caps_cache = nil;
3455
1ef702d30b6b mod_cache_c2s_caps: Add a missing return when the hash is wrong.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3454
diff changeset
44 return;
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
45 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
47 origin.caps_cache = query;
3080
b003d72d9ce6 mod_cache_c2s_caps: Switch to origin.log to provide better debug to admins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2901
diff changeset
48 origin.log("info", "Stored caps %s", ver);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
49 module:fire_event("c2s-capabilities-changed", { origin = origin });
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
50 return true;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
51 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
52
3475
820c891a54cc mod_cache_c2s_caps: Use the correct argument, and check for origin’s nil-ness
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3464
diff changeset
53 local function iq_error_handler(err)
820c891a54cc mod_cache_c2s_caps: Use the correct argument, and check for origin’s nil-ness
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3464
diff changeset
54 local origin = err.context.origin;
820c891a54cc mod_cache_c2s_caps: Use the correct argument, and check for origin’s nil-ness
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3464
diff changeset
55 if origin ~= nil then
820c891a54cc mod_cache_c2s_caps: Use the correct argument, and check for origin’s nil-ness
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3464
diff changeset
56 origin.caps_cache = nil;
820c891a54cc mod_cache_c2s_caps: Use the correct argument, and check for origin’s nil-ness
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3464
diff changeset
57 module:fire_event("c2s-capabilities-changed", { origin = origin });
820c891a54cc mod_cache_c2s_caps: Use the correct argument, and check for origin’s nil-ness
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3464
diff changeset
58 end
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
59 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
60
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
61 local function presence_stanza_handler(event)
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
62 local origin, stanza = event.origin, event.stanza;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
63
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
64 local from = stanza.attr.from;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
65 if stanza.attr.to ~= nil then
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
66 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
67 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
68
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
69 local caps = stanza:get_child("c", "http://jabber.org/protocol/caps");
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
70 if caps == nil then
4320
8fc16174fec6 mod_cache_c2s_caps: log full JID on all relevant code paths
Georg Lukas <georg@op-co.de>
parents: 4018
diff changeset
71 origin.log("debug", "Presence from %s without caps received, skipping", from);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
72 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
73 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
74
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
75 local hash = caps.attr.hash;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
76 local node = caps.attr.node;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
77 local ver = caps.attr.ver;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
78 if not hash or not node or not ver then
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
79 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
80 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
81 if hash ~= "sha-1" then
4320
8fc16174fec6 mod_cache_c2s_caps: log full JID on all relevant code paths
Georg Lukas <georg@op-co.de>
parents: 4018
diff changeset
82 origin.log("warn", "Presence from %s with non-SHA-1 caps : %s", from, hash);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
83 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
84 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
85
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
86 local node_query = node.."#"..ver;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
87 if (origin.caps_cache and origin.caps_cache.attr.node == node_query) or in_flight_iqs[from..node_query] ~= nil then
3080
b003d72d9ce6 mod_cache_c2s_caps: Switch to origin.log to provide better debug to admins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2901
diff changeset
88 origin.log("debug", "Already requested these caps, skipping");
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
89 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
90 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
91
4320
8fc16174fec6 mod_cache_c2s_caps: log full JID on all relevant code paths
Georg Lukas <georg@op-co.de>
parents: 4018
diff changeset
92 origin.log("debug", "Presence from %s with SHA-1 caps %s, querying disco#info", from, node_query);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
93
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
94 local id = uuid_gen();
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
95 iq_node_map[from..id] = node_query
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
96 local iq = st_iq({ type = "get", from = module.host, to = from, id = id })
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
97 :tag("query", { xmlns = "http://jabber.org/protocol/disco#info", node = node_query });
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
98 in_flight_iqs[from..node_query] = true;
3454
c424bfb927b1 mod_cache_c2s_caps: Switch to the new module:send_iq() API.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3111
diff changeset
99 module:send_iq(iq, origin)
c424bfb927b1 mod_cache_c2s_caps: Switch to the new module:send_iq() API.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3111
diff changeset
100 :next(iq_result_handler, iq_error_handler)
c424bfb927b1 mod_cache_c2s_caps: Switch to the new module:send_iq() API.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3111
diff changeset
101 :finally(function () in_flight_iqs[from..node_query] = nil; end)
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
102 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
103
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
104 -- Handle only non-directed presences for now.
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
105 module:hook("pre-presence/bare", presence_stanza_handler);