2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
9 local prosody = _G.prosody;
10 local log = require "util.logger".init("componentmanager");
11 local certmanager = require "core.certmanager";
12 local configmanager = require "core.configmanager";
13 local modulemanager = require "core.modulemanager";
14 local jid_split = require "util.jid".split;
15 local fire_event = prosody.events.fire_event;
16 local events_new = require "util.events".new;
17 local st = require "util.stanza";
18 local prosody, hosts = prosody, prosody.hosts;
19 local uuid_gen = require "util.uuid".generate;
21 local pairs, setmetatable, type, tostring = pairs, setmetatable, type, tostring;
23 local components = {};
25 local disco_items = require "util.multitable".new();
28 module "componentmanager"
30 local function default_component_handler(origin, stanza)
31 log("warn", "Stanza being handled by default component; bouncing error for: %s", stanza:top_tag());
32 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
33 origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable"));
37 function load_enabled_components(config)
38 local defined_hosts = config or configmanager.getconfig();
40 for host, host_config in pairs(defined_hosts) do
41 if host ~= "*" and ((host_config.core.enabled == nil or host_config.core.enabled) and type(host_config.core.component_module) == "string") then
42 hosts[host] = create_component(host);
43 hosts[host].connected = false;
44 components[host] = default_component_handler;
45 local ok, err = modulemanager.load(host, host_config.core.component_module);
47 log("error", "Error loading %s component %s: %s", tostring(host_config.core.component_module), tostring(host), tostring(err));
49 fire_event("component-activated", host, host_config);
50 log("debug", "Activated %s component: %s", host_config.core.component_module, host);
56 if prosody and prosody.events then
57 prosody.events.add_handler("server-starting", load_enabled_components);
60 function create_component(host, component, events)
61 -- TODO check for host well-formedness
62 return { type = "component", host = host, connected = true, s2sout = {},
63 events = events or events_new(),
64 dialback_secret = configmanager.get(host, "core", "dialback_secret") or uuid_gen(),
65 disallow_s2s = configmanager.get(host, "core", "disallow_s2s"); };
68 function register_component(host, component)
69 if not hosts[host] or (hosts[host].type == 'component' and not hosts[host].connected) then
70 local old_events = hosts[host] and hosts[host].events;
72 components[host] = component;
73 hosts[host] = create_component(host, component, old_events);
75 -- Add events object if not already one
76 if not hosts[host].events then
77 hosts[host].events = old_events or events_new();
80 if not hosts[host].dialback_secret then
81 hosts[host].dialback_secret = configmanager.get(host, "core", "dialback_secret") or uuid_gen();
85 if not(host:find("@", 1, true) or host:find("/", 1, true)) and host:find(".", 1, true) then
86 disco_items:set(host:sub(host:find(".", 1, true)+1), host, true);
88 modulemanager.load(host, "dialback");
89 modulemanager.load(host, "tls");
90 log("debug", "component added: "..host);
93 log("error", "Attempt to set component for existing host: "..host);
97 function deregister_component(host)
98 if components[host] then
99 modulemanager.unload(host, "tls");
100 modulemanager.unload(host, "dialback");
101 hosts[host].connected = nil;
102 local host_config = configmanager.getconfig()[host];
103 if host_config and ((host_config.core.enabled == nil or host_config.core.enabled) and type(host_config.core.component_module) == "string") then
104 -- Set default handler
105 components[host] = default_component_handler;
107 -- Component not in config, or disabled, remove
108 hosts[host] = nil; -- FIXME do proper unload of all modules and other cleanup before removing
109 components[host] = nil;
111 -- remove from disco_items
112 if not(host:find("@", 1, true) or host:find("/", 1, true)) and host:find(".", 1, true) then
113 disco_items:remove(host:sub(host:find(".", 1, true)+1), host);
115 log("debug", "component removed: "..host);
118 log("error", "Attempt to remove component for non-existing host: "..host);
122 function get_children(host)
123 return disco_items:get(host) or NULL;