mod_tls: Remove unused reference to global ssl config option (certmanager adds that...
[prosody.git] / plugins / mod_pep.lua
index a6916d1f8963b5345bace705d454be985df0590e..896f3e78b764842d04dfaee7c410d806f7c6ad38 100644 (file)
@@ -16,10 +16,15 @@ local next = next;
 local type = type;
 local calculate_hash = require "util.caps".calculate_hash;
 local core_post_stanza = prosody.core_post_stanza;
+local bare_sessions = prosody.bare_sessions;
 
+-- Used as canonical 'empty table'
 local NULL = {};
+-- data[user_bare_jid][node] = item_stanza
 local data = {};
+--- recipients[user_bare_jid][contact_full_jid][subscribed_node] = true
 local recipients = {};
+-- hash_map[hash][subscribed_nodes] = true
 local hash_map = {};
 
 module.save = function()
@@ -120,6 +125,9 @@ module:hook("presence/bare", function(event)
        local t = stanza.attr.type;
        local self = not stanza.attr.to;
 
+       -- Only cache subscriptions if user is online
+       if not bare_sessions[user] then return; end
+
        if not t then -- available presence
                if self or subscription_presence(user, stanza.attr.from) then
                        local recipient = stanza.attr.from;
@@ -283,3 +291,11 @@ module:hook("account-disco-items", function(event)
                end
        end
 end);
+
+module:hook("resource-unbind", function (event)
+       local user_bare_jid = event.session.username.."@"..event.session.host;
+       if not bare_sessions[user_bare_jid] then -- User went offline
+               -- We don't need this info cached anymore, clear it.
+               recipients[user_bare_jid] = nil;
+       end
+end);