+-- Prosody IM v0.3
+-- Copyright (C) 2008 Matthew Wild
+-- Copyright (C) 2008 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
local log = require "util.logger".init("stanzarouter")
local s_find = string.find;
local jid_split = require "util.jid".split;
+local jid_prepped_split = require "util.jid".prepped_split;
local print = print;
+local function checked_error_reply(origin, stanza)
+ if (stanza.attr.xmlns == "jabber:client" or stanza.attr.xmlns == "jabber:server") and stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME correct error?
+ end
+end
function core_process_stanza(origin, stanza)
- (origin.log or log)("debug", "Received[%s]: %s", origin.type, stanza:pretty_print()) --top_tag())
+ (origin.log or log)("debug", "Received[%s]: %s", origin.type, stanza:top_tag())
if not stanza.attr.xmlns then stanza.attr.xmlns = "jabber:client"; end -- FIXME Hack. This should be removed when we fix namespace handling.
-- TODO verify validity of stanza (as well as JID validity)
if origin.type == "c2s" then
stanza.attr.from = origin.full_jid;
end
- local to = stanza.attr.to;
- local node, host, resource = jid_split(to);
- local to_bare = node and (node.."@"..host) or host; -- bare JID
+ local to, xmlns = stanza.attr.to, stanza.attr.xmlns;
local from = stanza.attr.from;
- 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
-
- if origin.type == "s2sin" then
- if origin.from_host ~= from_host then -- remote server trying to impersonate some other server?
- log("warn", "Received a stanza claiming to be from %s, over a conn authed for %s!", from, origin.from_host);
- return; -- FIXME what should we do here? does this work with subdomains?
+ local node, host, resource;
+ local from_node, from_host, from_resource;
+ local to_bare, from_bare;
+ if to then
+ node, host, resource = jid_prepped_split(to);
+ if not host then
+ error("Invalid to JID");
+ end
+ to_bare = node and (node.."@"..host) or host; -- bare JID
+ if resource then to = to_bare.."/"..resource; else to = to_bare; end
+ stanza.attr.to = to;
+ end
+ if from then
+ from_node, from_host, from_resource = jid_prepped_split(from);
+ if not from_host then
+ error("Invalid from JID");
end
+ from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
+ if from_resource then from = from_bare.."/"..from_resource; else from = from_bare; end
+ stanza.attr.from = from;
end
+
--[[if to and not(hosts[to]) and not(hosts[to_bare]) and (hosts[host] and hosts[host].type ~= "local") then -- not for us?
log("warn", "stanza recieved for a non-local server");
return; -- FIXME what should we do here?
end]] -- FIXME
-- FIXME do stanzas not of jabber:client get handled by components?
- if origin.type == "s2sin" or origin.type == "c2s" then
+ if (origin.type == "s2sin" or origin.type == "c2s") and (not xmlns or xmlns == "jabber:server" or xmlns == "jabber:client") then
+ if origin.type == "s2sin" and not origin.dummy then
+ local host_status = origin.hosts[from_host];
+ if not host_status or not host_status.authed then -- remote server trying to impersonate some other server?
+ log("warn", "Received a stanza claiming to be from %s, over a conn authed for %s!", from_host, origin.from_host);
+ return; -- FIXME what should we do here? does this work with subdomains?
+ end
+ end
if not to then
core_handle_stanza(origin, stanza);
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(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
component_handle_stanza(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[host] and hosts[host].type == "component" then -- directed at a component
component_handle_stanza(origin, stanza);
elseif origin.type == "c2s" and stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then
elseif origin.type ~= "c2s" and stanza.name == "iq" and not resource then -- directed at bare JID
core_handle_stanza(origin, stanza);
else
+ if origin.type == "c2s" and stanza.name == "presence" and to ~= nil and not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then
+ origin.directed = origin.directed or {};
+ t_insert(origin.directed, to); -- FIXME does it make more sense to add to_bare rather than to?
+ end
core_route_stanza(origin, stanza);
end
else
-- that is, they are handled by this server
function core_handle_stanza(origin, stanza)
-- Handlers
- 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
- 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
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME correct error?
+ if modules_handle_stanza(select(2, jid_split(stanza.attr.to)) or origin.host, origin, stanza) then return; end
+ if origin.type == "c2s" or origin.type == "s2sin" then
+ if origin.type == "c2s" then
+ if stanza.name == "presence" and origin.roster then
+ if stanza.attr.type == nil or stanza.attr.type == "unavailable" then
+ handle_normal_presence(origin, stanza, core_route_stanza);
+ else
+ log("warn", "Unhandled c2s presence: %s", tostring(stanza));
+ checked_error_reply(origin, stanza);
end
+ else
+ log("warn", "Unhandled c2s stanza: %s", tostring(stanza));
+ checked_error_reply(origin, stanza);
end
- else
- log("warn", "Unhandled c2s stanza: %s", tostring(stanza));
- if (stanza.attr.xmlns == "jabber:client" or stanza.attr.xmlns == "jabber:server") and stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME correct error?
- end
- end -- TODO handle other stanzas
- else
- log("warn", "Unhandled origin: %s", origin.type);
- if (stanza.attr.xmlns == "jabber:client" or stanza.attr.xmlns == "jabber:server") and stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
- -- s2s stanzas can get here
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME correct error?
+ else -- s2s stanzas
+ log("warn", "Unhandled s2s stanza: %s", tostring(stanza));
+ checked_error_reply(origin, stanza);
end
+ else
+ log("warn", "Unhandled %s stanza: %s", origin.type, tostring(stanza));
+ checked_error_reply(origin, stanza);
end
end
else
-- TODO send unavailable presence or unsubscribed
end
- elseif stanza.name == "message" then
+ elseif stanza.name == "message" then -- FIXME if full jid, then send out to resources with highest priority
if stanza.attr.type == "chat" or stanza.attr.type == "normal" or not stanza.attr.type then
offlinemanager.store(node, host, stanza);
-- FIXME don't store messages with only chat state notifications
-- TODO allow configuration of offline storage
-- TODO send error if not storing offline
elseif stanza.name == "iq" then
- -- TODO send IQ error
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
end
else -- user does not exist
-- TODO we would get here for nodeless JIDs too. Do something fun maybe? Echo service? Let plugins use xmpp:server/resource addresses?
if stanza.name == "presence" then
- if stanza.attr.type == "probe" then
+ local t = stanza.attr.type;
+ if t == "subscribe" or t == "probe" then
origin.send(st.presence({from = to_bare, to = from_bare, type = "unsubscribed"}));
end
-- else ignore
projects / prosody.git / blobdiff