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authorWaqas Hussain <waqas20@gmail.com>2008-10-25 06:49:48 +0500
committerWaqas Hussain <waqas20@gmail.com>2008-10-25 06:49:48 +0500
commit30de4348013dc1f21e916f1b2bb198369ff024bf (patch)
tree06ef10179708274707859145d48450f11d1af96d /core
parent9bd8c81c916f22ffb11ce4f11f74edc87002fbb2 (diff)
downloadprosody-30de4348013dc1f21e916f1b2bb198369ff024bf.tar.gz
prosody-30de4348013dc1f21e916f1b2bb198369ff024bf.zip
Routing code reorganization
Diffstat (limited to 'core')
-rw-r--r--core/sessionmanager.lua17
-rw-r--r--core/stanza_router.lua132
2 files changed, 90 insertions, 59 deletions
diff --git a/core/sessionmanager.lua b/core/sessionmanager.lua
index a7858d9e..db898693 100644
--- a/core/sessionmanager.lua
+++ b/core/sessionmanager.lua
@@ -115,4 +115,21 @@ function streamopened(session, attr)
session.notopen = nil;
end
+function send_to_available_resources(user, host, stanza)
+ local to = stanza.attr.to;
+ stanza.attr.to = nil;
+ local h = hosts[host];
+ if h and h.type == "local" then
+ local u = h.sessions[user];
+ if u then
+ for k, session in pairs(u.sessions) do
+ if session.presence then
+ session.send(stanza);
+ end
+ end
+ end
+ end
+ stanza.attr.to = to;
+end
+
return _M; \ No newline at end of file
diff --git a/core/stanza_router.lua b/core/stanza_router.lua
index be4f9185..a5dfa6ce 100644
--- a/core/stanza_router.lua
+++ b/core/stanza_router.lua
@@ -8,11 +8,24 @@ require "core.servermanager"
local log = require "util.logger".init("stanzarouter")
local st = require "util.stanza";
-local send = require "core.sessionmanager".send_to_session;
+local _send = require "core.sessionmanager".send_to_session;
local send_s2s = require "core.s2smanager".send_to_host;
+function send(session, stanza)
+ if session.type == "c2s" then
+ _send(session, stanza);
+ else
+ local xmlns = stanza.attr.xmlns;
+ --stanza.attr.xmlns = "jabber:server";
+ stanza.attr.xmlns = nil;
+ log("debug", "sending s2s stanza: %s", tostring(stanza));
+ send_s2s(session.host, host, stanza); -- TODO handle remote routing errors
+ stanza.attr.xmlns = xmlns; -- reset
+ end
+end
local user_exists = require "core.usermanager".user_exists;
local rostermanager = require "core.rostermanager";
+local sessionmanager = require "core.sessionmanager";
local s2s_verify_dialback = require "core.s2smanager".verify_dialback;
local s2s_make_authenticated = require "core.s2smanager".make_authenticated;
@@ -79,7 +92,7 @@ function core_handle_stanza(origin, stanza)
core_route_stanza(origin, stanza);
end
end
- if not origin.presence then -- presence probes on initial presence
+ if not origin.presence then -- presence probes on initial presence -- FIXME does unavailable qualify as 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;
@@ -161,10 +174,59 @@ function core_handle_stanza(origin, stanza)
end
end
-function is_authorized_to_see_presence(origin, username, host)
- local roster = datamanager.load(username, host, "roster") or {};
- local item = roster[origin.username.."@"..origin.host];
- return item and (item.subscription == "both" or item.subscription == "from");
+function send_presence_of_available_resources(user, host, jid, recipient_session)
+ local h = hosts[host];
+ local count = 0;
+ if h and h.type == "local" then
+ local u = h.sessions[user];
+ if u then
+ for k, session in pairs(u.sessions) do
+ local pres = session.presence;
+ if pres then
+ pres.attr.to = jid;
+ pres.attr.from = session.full_jid;
+ send(recipient_session, pres);
+ pres.attr.to = nil;
+ pres.attr.from = nil;
+ count = count + 1;
+ end
+ end
+ end
+ end
+ return count;
+end
+
+function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare)
+ local node, host = jid_split(to_bare);
+ if stanza.attr.type == "probe" then
+ if rostermanager.is_contact_subscribed(node, host, from_bare) then
+ if 0 == send_presence_of_available_resources(node, host, from_bare, origin) then
+ -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
+ end
+ else
+ send(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"}));
+ end
+ elseif stanza.attr.type == "subscribe" then
+ if rostermanager.is_contact_subscribed(node, host, from_bare) then
+ send(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed
+ else
+ sessionmanager.send_to_available_resources(node, host, st.presence({from=from_bare, type="subscribe"}));
+ -- TODO store when no resources online
+ end
+ elseif stanza.attr.type == "unsubscribe" then
+ if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then
+ rostermanager.roster_push(node, host, from_bare);
+ end
+ elseif stanza.attr.type == "subscribed" then
+ if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
+ rostermanager.roster_push(node, host, from_bare);
+ send_presence_of_available_resources(node, host, from_bare, origin);
+ end
+ elseif stanza.attr.type == "unsubscribed" then
+ if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
+ rostermanager.roster_push(node, host, from_bare);
+ end
+ end -- discard any other type
end
function core_route_stanza(origin, stanza)
@@ -191,57 +253,9 @@ function core_route_stanza(origin, stanza)
-- if we get here, resource was not specified or was unavailable
if stanza.name == "presence" then
if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then
- if stanza.attr.type == "probe" then
- if is_authorized_to_see_presence(origin, node, host) then
- for k in pairs(user.sessions) do -- return presence for all resources
- local pres = user.sessions[k].presence;
- if pres then
- pres.attr.to = from; -- FIXME use from_bare or from?
- pres.attr.from = user.sessions[k].full_jid;
- send(origin, pres);
- end
- end
- pres.attr.to = nil;
- pres.attr.from = nil;
- else
- send(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"}));
- end
- elseif stanza.attr.type == "subscribe" then
- if rostermanager.is_contact_subscribed(node, host, from_bare) then
- send(origin, st.presence(from=to_bare, to=from_bare, type="subscribed")); -- already subscribed
- else
- local pres = st.presence({from=from_bare}, type="subscribe");
- for k in pairs(user.sessions) do -- return presence for all resources
- if user.sessions[k].presence then
- send(user.sessions[k], pres);
- end
- end
- end
- elseif stanza.attr.type == "unsubscribe" then
- if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then
- rostermanager.roster_push(node, host, from_bare);
- end
- elseif stanza.attr.type == "subscribed" then
- if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
- rostermanager.roster_push(node, host, from_bare);
- for k in pairs(user.sessions) do -- return presence for all resources
- local pres = user.sessions[k].presence;
- if pres then
- pres.attr.to = from; -- FIXME use from_bare or from?
- pres.attr.from = user.sessions[k].full_jid;
- send(origin, pres);
- end
- end
- pres.attr.to = nil;
- pres.attr.from = nil;
- end
- elseif stanza.attr.type == "unsubscribed" then
- if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
- rostermanager.roster_push(node, host, from_bare);
- end
- end -- discard any other type
+ handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare);
else -- sender is available or unavailable
- for k in pairs(user.sessions) do -- presence broadcast to all user resources
+ for k in pairs(user.sessions) do -- presence broadcast to all user resources. FIXME should this be just for available resources? Do we need to check subscription?
if user.sessions[k].full_jid then
stanza.attr.to = user.sessions[k].full_jid; -- reset at the end of function
send(user.sessions[k], stanza);
@@ -269,10 +283,10 @@ function core_route_stanza(origin, stanza)
-- user not online
if user_exists(node, host) then
if stanza.name == "presence" then
- if stanza.attr.type == "probe" and is_authorized_to_see_presence(origin, node, host) then -- FIXME what to do for not c2s?
- -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
+ if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then
+ handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare);
else
- -- TODO send unavailable presence
+ -- TODO send unavailable presence or unsubscribed
end
elseif stanza.name == "message" then
-- TODO send message error, or store offline messages