--- The code in this file should be self-explanatory, though the logic is horrible
--- for more info on that, see doc/stanza_routing.txt, which attempts to condense
--- the rules from the RFCs (mainly 3921)
-
-require "core.servermanager"
-
local log = require "util.logger".init("stanzarouter")
local st = require "util.stanza";
local handle_outbound_presence_subscriptions_and_probes = require "core.presencemanager".handle_outbound_presence_subscriptions_and_probes;
local handle_inbound_presence_subscriptions_and_probes = require "core.presencemanager".handle_inbound_presence_subscriptions_and_probes;
+local handle_normal_presence = require "core.presencemanager".handle_normal_presence;
local format = string.format;
local tostring = tostring;
elseif hosts[to] and hosts[to].type == "local" then -- directed at a local server
core_handle_stanza(origin, stanza);
elseif stanza.attr.xmlns and stanza.attr.xmlns ~= "jabber:client" and stanza.attr.xmlns ~= "jabber:server" then
- modules_handle_stanza(origin, stanza);
+ modules_handle_stanza(host or origin.host or origin.to_host, origin, stanza);
elseif hosts[to_bare] and hosts[to_bare].type == "component" then -- hack to allow components to handle node@server
component_handle_stanza(origin, stanza);
elseif hosts[to] and hosts[to].type == "component" then -- hack to allow components to handle node@server/resource and server/resource
-- that is, they are handled by this server
function core_handle_stanza(origin, stanza)
-- Handlers
- if modules_handle_stanza(origin, stanza) then return; end
+ if modules_handle_stanza(stanza.attr.to or origin.host, origin, stanza) then return; end
if origin.type == "c2s" or origin.type == "c2s_unauthed" then
local session = origin;
if stanza.name == "presence" and origin.roster then
if stanza.attr.type == nil or stanza.attr.type == "unavailable" then
- for jid in pairs(origin.roster) do -- broadcast to all interested contacts
- local subscription = origin.roster[jid].subscription;
- if subscription == "both" or subscription == "from" then
- stanza.attr.to = jid;
- core_route_stanza(origin, stanza);
- end
- end
- local node, host = jid_split(stanza.attr.from);
- for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast to all resources
- if res ~= origin and res.full_jid then -- to resource. FIXME is res.full_jid the correct check? Maybe it should be res.presence
- stanza.attr.to = res.full_jid;
- core_route_stanza(origin, stanza);
- end
- end
- if stanza.attr.type == nil and not origin.presence then -- initial presence
- local probe = st.presence({from = origin.full_jid, type = "probe"});
- for jid in pairs(origin.roster) do -- probe all contacts we are subscribed to
- local subscription = origin.roster[jid].subscription;
- if subscription == "both" or subscription == "to" then
- probe.attr.to = jid;
- core_route_stanza(origin, probe);
- end
- end
- for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast from all available resources
- if res ~= origin and res.presence then
- res.presence.attr.to = origin.full_jid;
- core_route_stanza(res, res.presence);
- res.presence.attr.to = nil;
- end
- end
- if origin.roster.pending then -- resend incoming subscription requests
- for jid in pairs(origin.roster.pending) do
- origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?
- end
- end
- local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});
- for jid, item in pairs(origin.roster) do -- resend outgoing subscription requests
- if item.ask then
- request.attr.to = jid;
- core_route_stanza(origin, request);
- end
- end
- for _, msg in ipairs(offlinemanager.load(node, host) or {}) do
- origin.send(msg); -- FIXME do we need to modify to/from in any way?
- end
- offlinemanager.deleteAll(node, host);
- end
- origin.priority = 0;
- if stanza.attr.type == "unavailable" then
- origin.presence = nil;
- else
- origin.presence = stanza;
- local priority = stanza:child_with_name("priority");
- if priority and #priority > 0 then
- priority = t_concat(priority);
- if s_find(priority, "^[+-]?[0-9]+$") then
- priority = tonumber(priority);
- if priority < -128 then priority = -128 end
- if priority > 127 then priority = 127 end
- origin.priority = priority;
- end
- end
- end
- stanza.attr.to = nil; -- reset it
+ handle_normal_presence(origin, stanza, core_route_stanza);
else
log("warn", "Unhandled c2s presence: %s", tostring(stanza));
if (stanza.attr.xmlns == "jabber:client" or stanza.attr.xmlns == "jabber:server") and stanza.attr.type ~= "error" then
local from_node, from_host, from_resource = jid_split(from);
local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
+ -- Auto-detect origin if not specified
+ origin = origin or hosts[from_host];
+ if not origin then return false; end
+
if stanza.name == "presence" and (stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable") then resource = nil; end
local host_session = hosts[host]
elseif origin.type == "component" or origin.type == "local" then
-- Route via s2s for components and modules
log("debug", "Routing outgoing stanza for %s to %s", origin.host, host);
- for k,v in pairs(origin) do print("origin:", tostring(k), tostring(v)); end
- print(tostring(host), tostring(from_host))
send_s2s(origin.host, host, stanza);
else
log("warn", "received stanza from unhandled connection type: %s", origin.type);
end
stanza.attr.to = to; -- reset
end
-
-function handle_stanza_toremote(stanza)
- log("error", "Stanza bound for remote host, but s2s is not implemented");
-end
-
-
projects / prosody.git / blobdiff