prosody
9d6da9ed9063
core/stanza_router.lua

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core/stanza_router.lua @ 212:9d6da9ed9063

Internal component support
author Waqas Hussain <waqas20@gmail.com>
date Tue, 04 Nov 2008 17:25:12 +0500
parent 207:90c387884234
child 213:181f5cc6215b
comparison
equal deleted inserted replaced
211:22e17cfab36c 212:9d6da9ed9063
16 16
17 local s2s_verify_dialback = require "core.s2smanager".verify_dialback; 17 local s2s_verify_dialback = require "core.s2smanager".verify_dialback;
18 local s2s_make_authenticated = require "core.s2smanager".make_authenticated; 18 local s2s_make_authenticated = require "core.s2smanager".make_authenticated;
19 19
20 local modules_handle_stanza = require "core.modulemanager".handle_stanza; 20 local modules_handle_stanza = require "core.modulemanager".handle_stanza;
21 local component_handle_stanza = require "core.componentmanager".handle_stanza;
21 22
22 local format = string.format; 23 local format = string.format;
23 local tostring = tostring; 24 local tostring = tostring;
24 local t_concat = table.concat; 25 local t_concat = table.concat;
25 local t_insert = table.insert; 26 local t_insert = table.insert;
29 local jid_split = require "util.jid".split; 30 local jid_split = require "util.jid".split;
30 local print = print; 31 local print = print;
31 32
32 function core_process_stanza(origin, stanza) 33 function core_process_stanza(origin, stanza)
33 log("debug", "Received["..origin.type.."]: "..tostring(stanza)) 34 log("debug", "Received["..origin.type.."]: "..tostring(stanza))
35
34 -- TODO verify validity of stanza (as well as JID validity) 36 -- TODO verify validity of stanza (as well as JID validity)
35 if stanza.name == "iq" and not(#stanza.tags == 1 and stanza.tags[1].attr.xmlns) then 37 if stanza.name == "iq" and not(#stanza.tags == 1 and stanza.tags[1].attr.xmlns) then
36 if stanza.attr.type == "set" or stanza.attr.type == "get" then 38 if stanza.attr.type == "set" or stanza.attr.type == "get" then
37 error("Invalid IQ"); 39 error("Invalid IQ");
38 elseif #stanza.tags > 1 and not(stanza.attr.type == "error" or stanza.attr.type == "result") then 40 elseif #stanza.tags > 1 and not(stanza.attr.type == "error" or stanza.attr.type == "result") then
44 and not(stanza.name == "iq" and stanza.tags[1].name == "bind" 46 and not(stanza.name == "iq" and stanza.tags[1].name == "bind"
45 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then 47 and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then
46 error("Client MUST bind resource after auth"); 48 error("Client MUST bind resource after auth");
47 end 49 end
48 50
49 local to = stanza.attr.to;
50 -- TODO also, stazas should be returned to their original state before the function ends 51 -- TODO also, stazas should be returned to their original state before the function ends
51 if origin.type == "c2s" then 52 if origin.type == "c2s" then
52 stanza.attr.from = origin.full_jid; -- quick fix to prevent impersonation (FIXME this would be incorrect when the origin is not c2s) 53 stanza.attr.from = origin.full_jid;
53 end 54 end
54 55 local to = stanza.attr.to;
56 local node, host, resource = jid_split(to);
57 local to_bare = node and (node.."@"..host) or host; -- bare JID
58 local from = stanza.attr.from;
59 local from_node, from_host, from_resource = jid_split(from);
60 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
61
62 if origin.type == "s2sin" then
63 if origin.host ~= from_host then -- remote server trying to impersonate some other server?
64 return; -- FIXME what should we do here? does this work with subdomains?
65 end
66 end
67 if to and not(hosts[to]) and not(hosts[to_bare]) and (not(hosts[host]) or hosts[host].type ~= "local") then -- not for us?
68 return; -- FIXME what should we do here?
69 end
70
71 -- FIXME do stanzas not of jabber:client get handled by components?
55 if not to then 72 if not to then
56 core_handle_stanza(origin, stanza); 73 core_handle_stanza(origin, stanza);
74 elseif hosts[to] and hosts[to].type == "local" then -- directed at a local server
75 core_handle_stanza(origin, stanza);
76 elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server
77 component_handle_stanza(origin, stanza);
78 elseif hosts[to] and hosts[to].type == "component" then -- hack to allow components to handle node@server/resource and server/resource
79 component_handle_stanza(origin, stanza);
80 elseif hosts[host].type == "component" then -- directed at a component
81 component_handle_stanza(origin, stanza);
57 elseif origin.type == "c2s" and stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then 82 elseif origin.type == "c2s" and stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then
58 local node, host = jid_split(stanza.attr.to);
59 local to_bare = node and (node.."@"..host) or host; -- bare JID
60 local from_node, from_host = jid_split(stanza.attr.from);
61 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
62 handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare); 83 handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare);
63 elseif hosts[to] and hosts[to].type == "local" then 84 elseif stanza.name == "iq" and not resource then -- directed at bare JID
64 core_handle_stanza(origin, stanza);
65 elseif stanza.name == "iq" and not select(3, jid_split(to)) then
66 core_handle_stanza(origin, stanza); 85 core_handle_stanza(origin, stanza);
67 elseif stanza.attr.xmlns and stanza.attr.xmlns ~= "jabber:client" and stanza.attr.xmlns ~= "jabber:server" then 86 elseif stanza.attr.xmlns and stanza.attr.xmlns ~= "jabber:client" and stanza.attr.xmlns ~= "jabber:server" then
68 modules_handle_stanza(origin, stanza); 87 modules_handle_stanza(origin, stanza);
69 elseif origin.type == "c2s" or origin.type == "s2sin" then 88 elseif origin.type == "c2s" or origin.type == "s2sin" then
70 core_route_stanza(origin, stanza); 89 core_route_stanza(origin, stanza);
90 else
91 log("warn", "stanza not processed");
71 end 92 end
72 end 93 end
73 94
74 -- This function handles stanzas which are not routed any further, 95 -- This function handles stanzas which are not routed any further,
75 -- that is, they are handled by this server 96 -- that is, they are handled by this server
142 end 163 end
143 stanza.attr.to = nil; -- reset it 164 stanza.attr.to = nil; -- reset it
144 else 165 else
145 -- TODO error, bad type 166 -- TODO error, bad type
146 end 167 end
147 end 168 end -- TODO handle other stanzas
148 else 169 else
149 log("warn", "Unhandled origin: %s", origin.type); 170 log("warn", "Unhandled origin: %s", origin.type); -- FIXME reply with error
150 end 171 end
151 end 172 end
152 173
153 function send_presence_of_available_resources(user, host, jid, recipient_session) 174 function send_presence_of_available_resources(user, host, jid, recipient_session)
154 local h = hosts[host]; 175 local h = hosts[host];