Mercurial > prosody-modules

annotate mod_cache_c2s_caps/mod_cache_c2s_caps.lua @ 3413:6421c9f05e02

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_pubsub_text_interface/README: Add lost _
author Kim Alvefur <zash@zash.se>
date Sat, 22 Dec 2018 19:02:21 +0100
parents 7a3ac037e57f
children c424bfb927b1
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
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
11 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
12 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
13
7a3ac037e57f mod_cache_c2s_caps: Fix traceback on invalid payload in disco#info result.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3080
diff changeset
14 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
15 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
16 origin.log("debug", "Wrong iq payload in disco#info result: %s", stanza);
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 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
18 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
19
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
28 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
29 in_flight_iqs[from..node_string] = nil;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
30
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
31 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
32 origin.log("debug", "Wrong node for our disco#info query, expected %s, received %s", node_string, node_query);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
33 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
34 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
35
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
36 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
37 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
38 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
39 origin.log("debug", "Wrong hash for disco#info: %s ~= %s", ver, hash);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
40 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
41
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
42 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
43 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
44 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
45 return true;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
47
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
48 local function iq_error_handler(event)
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
49 local origin = event.origin;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
50 origin.caps_cache = nil;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
51 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
52 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
53
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
54 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
55 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
56
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
57 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
58 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
59 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
60 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
61
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
62 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
63 if caps == 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
64 origin.log("debug", "Presence without caps received, skipping");
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
65 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
66 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
67
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
68 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
69 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
70 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
71 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
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 if hash ~= "sha-1" 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
75 origin.log("warn", "Non-SHA-1 caps received: %s", hash);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
76 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
77 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
78
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
79 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
80 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
81 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
82 return;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
83 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
84
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
85 origin.log("debug", "Received presence with SHA-1 caps %s, querying disco#info", node_query);
2899
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
86
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
87 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
88 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
89 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
90 :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
91 module:hook("iq-result/host/"..id, iq_result_handler);
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
92 module:hook("iq-error/host/"..id, iq_error_handler);
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
93 module:send(iq);
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
94
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
95 in_flight_iqs[from..node_query] = true;
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
96 end
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
97
0273d7583373 mod_cache_c2s_caps: New module caching capabilities from local clients
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
98 -- 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
99 module:hook("pre-presence/bare", presence_stanza_handler);