Mercurial > prosody-modules

annotate mod_presence_cache/mod_presence_cache.lua @ 2107:f445f43b9ba1

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mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
author Matthew Wild <mwild1@gmail.com>
date Thu, 17 Mar 2016 11:27:10 +0000
parents 9d0c33ebbcc5
children d843e8f1ed78
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1952
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 local is_contact_subscribed = require"core.rostermanager".is_contact_subscribed;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 local jid_split = require"util.jid".split;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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3 local jid_bare = require"util.jid".bare;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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4 local st = require"util.stanza";
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 local datetime = require"util.datetime";
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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6
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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7 local presence_cache = {}; -- Reload to empty
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
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8
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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9 local cache_full = module:get_option_boolean(module.name.."_full", false);
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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10
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local function cache_hook(event)
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local origin, stanza = event.origin, event.stanza;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local typ = stanza.attr.type;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 module:log("debug", "Cache hook, got %s from a %s", stanza:top_tag(), origin.type);
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 if origin.type:match"^s2s" and ( typ == nil or typ == "unavailable" ) then
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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16 local from_jid = stanza.attr.from;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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17 local from_bare = jid_bare(from_jid);
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Kim Alvefur <zash@zash.se>
parents:
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18 local username = jid_split(stanza.attr.to);
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Kim Alvefur <zash@zash.se>
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19
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 if not is_contact_subscribed(username, module.host, from_bare) then
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Kim Alvefur <zash@zash.se>
parents:
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21 module:log("debug", "Not in their roster", origin.username);
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Kim Alvefur <zash@zash.se>
parents:
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22 return;
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Kim Alvefur <zash@zash.se>
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23 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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24
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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25 local user_presence_cache = presence_cache[username];
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 if not user_presence_cache then
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Kim Alvefur <zash@zash.se>
parents:
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27 user_presence_cache = {};
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 presence_cache[username] = user_presence_cache;
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Kim Alvefur <zash@zash.se>
parents:
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29 end
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Kim Alvefur <zash@zash.se>
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30
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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31 local contact_presence_cache = user_presence_cache[from_bare];
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 if not contact_presence_cache then
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Kim Alvefur <zash@zash.se>
parents:
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33 contact_presence_cache = {};
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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34 user_presence_cache[from_bare] = contact_presence_cache;
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Kim Alvefur <zash@zash.se>
parents:
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35 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 if typ == "unavailable" then
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 contact_presence_cache[from_jid] = nil;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 if next(contact_presence_cache) == nil or from_jid == from_bare then
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 user_presence_cache[from_bare] = nil;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 if next(user_presence_cache) == nil then
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 presence_cache[username] = nil;
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Kim Alvefur <zash@zash.se>
parents:
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43 end
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Kim Alvefur <zash@zash.se>
parents:
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44 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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45 elseif cache_full then
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 stanza = st.clone(stanza);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 stanza:tag("delay", { xmlns = "urn:xmpp:delay", from = module.host, stamp = datetime.datetime() }):up();
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 contact_presence_cache[from_jid] = stanza;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 else -- only cache binary state
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 contact_presence_cache[from_jid] = datetime.datetime();
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Kim Alvefur <zash@zash.se>
parents:
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51 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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52 end
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Kim Alvefur <zash@zash.se>
parents:
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53 end
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Kim Alvefur <zash@zash.se>
parents:
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54
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 module:hook("presence/bare", cache_hook, 10);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 -- module:hook("presence/full", cache_hook, 10);
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Kim Alvefur <zash@zash.se>
parents:
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57
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 local function answer_probe_from_cache(event)
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 local origin, stanza = event.origin, event.stanza;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 if stanza.attr.type ~= "probe" then return; end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 local contact_bare = stanza.attr.to;
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Kim Alvefur <zash@zash.se>
parents:
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62
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 local user_presence_cache = presence_cache[origin.username];
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Kim Alvefur <zash@zash.se>
parents:
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64 if not user_presence_cache then return; end
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Kim Alvefur <zash@zash.se>
parents:
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65
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Kim Alvefur <zash@zash.se>
parents:
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66 local contact_presence_cache = user_presence_cache[contact_bare];
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Kim Alvefur <zash@zash.se>
parents:
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67 if not contact_presence_cache then return; end
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Kim Alvefur <zash@zash.se>
parents:
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68
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 local user_jid = stanza.attr.from;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 for jid, presence in pairs(contact_presence_cache) do
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 module:log("debug", "Sending cached presence from %s", jid);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
72 if presence == true then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
73 presence = st.presence({ from = user_jid, from = jid });
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 elseif type(presence) == "string" then -- a timestamp
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 presence = st.presence({ from = user_jid, from = jid })
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 :tag("delay", { xmlns = "urn:xmpp:delay", from = module.host, stamp = presence }):up();
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 end
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Kim Alvefur <zash@zash.se>
parents:
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78 origin.send(presence);
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Kim Alvefur <zash@zash.se>
parents:
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79 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 if cache_full then
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Kim Alvefur <zash@zash.se>
parents:
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81 return true;
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Kim Alvefur <zash@zash.se>
parents:
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82 end
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Kim Alvefur <zash@zash.se>
parents:
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83 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
84
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85 module:hook("pre-presence/bare", answer_probe_from_cache, 10);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
86
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
87 module:add_timer(3600, function (now)
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
88 local older = datetime.datetime(now - 7200);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
89 for username, user_presence_cache in pairs(presence_cache) do
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
90 for contact, contact_presence_cache in pairs(user_presence_cache) do
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91 for jid, presence in pairs(contact_presence_cache) do
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
92 if presence == true or (type(presence) == "string" and presence < older) then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 contact_presence_cache[jid] = nil;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 if next(contact_presence_cache) == nil then
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
97 user_presence_cache[contact] = nil;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
98 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
99 end
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100 if next(user_presence_cache) == nil then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
101 presence_cache[username] = nil;
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Kim Alvefur <zash@zash.se>
parents:
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102 end
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Kim Alvefur <zash@zash.se>
parents:
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103 end
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Kim Alvefur <zash@zash.se>
parents:
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104 return 3600;
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
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105 end);
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Kim Alvefur <zash@zash.se>
parents:
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106
9d0c33ebbcc5 mod_presence_cache: Cache incoming presence broadcasts in order to get clients up to speed with who is online faster
Kim Alvefur <zash@zash.se>
parents:
diff changeset
107 module:log("info", "Loaded");