mirror of
https://github.com/bjc/prosody.git
synced 2025-04-04 13:47:41 +03:00
Backed out changeset a0fc73d5f48c
This commit is contained in:
Matthew Wild
parent
fd35fe51ea
commit
d61b2f3104
1 changed files with 5 additions and 223 deletions
|
|
@ -1,223 +1,3 @@
|
||||||
<<<<<<< local
|
|
||||||
|
|
||||||
-- 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 send = require "core.sessionmanager".send_to_session;
|
|
||||||
-- local send_s2s = require "core.s2smanager".send_to_host;
|
|
||||||
local user_exists = require "core.usermanager".user_exists;
|
|
||||||
|
|
||||||
local jid_split = require "util.jid".split;
|
|
||||||
local print, debug = print, debug;
|
|
||||||
|
|
||||||
function core_process_stanza(origin, stanza)
|
|
||||||
log("debug", "Received: "..tostring(stanza))
|
|
||||||
-- TODO verify validity of stanza (as well as JID validity)
|
|
||||||
if stanza.name == "iq" and not(#stanza.tags == 1 and stanza.tags[1].attr.xmlns) then
|
|
||||||
if stanza.attr.type == "set" or stanza.attr.type == "get" then
|
|
||||||
error("Invalid IQ");
|
|
||||||
elseif #stanza.tags > 1 or not(stanza.attr.type == "error" or stanza.attr.type == "result") then
|
|
||||||
error("Invalid IQ");
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
if origin.type == "c2s" and not origin.full_jid
|
|
||||||
and not(stanza.name == "iq" and stanza.tags[1].name == "bind"
|
|
||||||
and stanza.tags[1].attr.xmlns == "urn:ietf:params:xml:ns:xmpp-bind") then
|
|
||||||
error("Client MUST bind resource after auth");
|
|
||||||
end
|
|
||||||
|
|
||||||
local to = stanza.attr.to;
|
|
||||||
stanza.attr.from = origin.full_jid; -- quick fix to prevent impersonation (FIXME this would be incorrect when the origin is not c2s)
|
|
||||||
-- TODO also, stazas should be returned to their original state before the function ends
|
|
||||||
|
|
||||||
-- TODO presence subscriptions
|
|
||||||
if not to then
|
|
||||||
core_handle_stanza(origin, stanza);
|
|
||||||
elseif hosts[to] and hosts[to].type == "local" then
|
|
||||||
core_handle_stanza(origin, stanza);
|
|
||||||
elseif stanza.name == "iq" and not select(3, jid_split(to)) then
|
|
||||||
core_handle_stanza(origin, stanza);
|
|
||||||
elseif origin.type == "c2s" then
|
|
||||||
core_route_stanza(origin, stanza);
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
-- This function handles stanzas which are not routed any further,
|
|
||||||
-- that is, they are handled by this server
|
|
||||||
function core_handle_stanza(origin, stanza)
|
|
||||||
-- Handlers
|
|
||||||
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 == "available" 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 and from resources
|
|
||||||
if res ~= origin then
|
|
||||||
if res.full_jid then -- to resource. FIXME is this check correct? Maybe it should be res.presence
|
|
||||||
stanza.attr.to = res.full_jid;
|
|
||||||
core_route_stanza(origin, stanza);
|
|
||||||
end
|
|
||||||
if res.presence then -- from all resources for which we have presence
|
|
||||||
res.presence.attr.to = origin.full_jid;
|
|
||||||
core_route_stanza(res, res.presence);
|
|
||||||
res.presence.attr.to = nil;
|
|
||||||
end
|
|
||||||
end
|
|
||||||
end
|
|
||||||
if not origin.presence then -- presence probes on initial presence
|
|
||||||
local probe = st.presence({from = origin.full_jid, type = "probe"});
|
|
||||||
for jid in pairs(origin.roster) do
|
|
||||||
local subscription = origin.roster[jid].subscription;
|
|
||||||
if subscription == "both" or subscription == "to" then
|
|
||||||
probe.attr.to = jid;
|
|
||||||
core_route_stanza(origin, probe);
|
|
||||||
end
|
|
||||||
end
|
|
||||||
-- TODO resend subscription requests
|
|
||||||
end
|
|
||||||
origin.presence = stanza;
|
|
||||||
stanza.attr.to = nil; -- reset it
|
|
||||||
else
|
|
||||||
-- TODO error, bad type
|
|
||||||
end
|
|
||||||
else
|
|
||||||
log("debug", "Routing stanza to local");
|
|
||||||
handle_stanza(session, stanza);
|
|
||||||
end
|
|
||||||
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");
|
|
||||||
end
|
|
||||||
|
|
||||||
function core_route_stanza(origin, stanza)
|
|
||||||
-- Hooks
|
|
||||||
--- ...later
|
|
||||||
|
|
||||||
-- Deliver
|
|
||||||
local to = stanza.attr.to;
|
|
||||||
local node, host, resource = jid_split(to);
|
|
||||||
|
|
||||||
if stanza.name == "presence" and (stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable") then resource = nil; end
|
|
||||||
|
|
||||||
local host_session = hosts[host]
|
|
||||||
if host_session and host_session.type == "local" then
|
|
||||||
-- Local host
|
|
||||||
local user = host_session.sessions[node];
|
|
||||||
if user then
|
|
||||||
local res = user.sessions[resource];
|
|
||||||
if not res then
|
|
||||||
-- 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
|
|
||||||
if user.sessions[k].presence then
|
|
||||||
local pres = user.sessions[k].presence;
|
|
||||||
pres.attr.to = origin.full_jid;
|
|
||||||
pres.attr.from = user.sessions[k].full_jid;
|
|
||||||
send(origin, pres);
|
|
||||||
pres.attr.to = nil;
|
|
||||||
pres.attr.from = nil;
|
|
||||||
end
|
|
||||||
end
|
|
||||||
else
|
|
||||||
send(origin, st.presence({from=user.."@"..host, to=origin.username.."@"..origin.host, type="unsubscribed"}));
|
|
||||||
end
|
|
||||||
elseif stanza.attr.type == "subscribe" then
|
|
||||||
-- TODO
|
|
||||||
elseif stanza.attr.type == "unsubscribe" then
|
|
||||||
-- TODO
|
|
||||||
elseif stanza.attr.type == "subscribed" then
|
|
||||||
-- TODO
|
|
||||||
elseif stanza.attr.type == "unsubscribed" then
|
|
||||||
-- TODO
|
|
||||||
end -- discard any other type
|
|
||||||
else -- sender is available or unavailable
|
|
||||||
for k in pairs(user.sessions) do -- presence broadcast to all user resources
|
|
||||||
if user.sessions[k].full_jid then
|
|
||||||
stanza.attr.to = user.sessions[k].full_jid;
|
|
||||||
send(user.sessions[k], stanza);
|
|
||||||
end
|
|
||||||
end
|
|
||||||
end
|
|
||||||
elseif stanza.name == "message" then -- select a resource to recieve message
|
|
||||||
for k in pairs(user.sessions) do
|
|
||||||
if user.sessions[k].full_jid then
|
|
||||||
res = user.sessions[k];
|
|
||||||
break;
|
|
||||||
end
|
|
||||||
end
|
|
||||||
-- TODO find resource with greatest priority
|
|
||||||
send(res, stanza);
|
|
||||||
else
|
|
||||||
-- TODO send IQ error
|
|
||||||
end
|
|
||||||
else
|
|
||||||
-- User + resource is online...
|
|
||||||
stanza.attr.to = res.full_jid;
|
|
||||||
send(res, stanza); -- Yay \o/
|
|
||||||
end
|
|
||||||
else
|
|
||||||
-- 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
|
|
||||||
else
|
|
||||||
-- TODO send unavailable presence
|
|
||||||
end
|
|
||||||
elseif stanza.name == "message" then
|
|
||||||
-- TODO send message error, or store offline messages
|
|
||||||
elseif stanza.name == "iq" then
|
|
||||||
-- TODO send IQ error
|
|
||||||
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
|
|
||||||
send(origin, st.presence({from = user.."@"..host, to = origin.username.."@"..origin.host, type = "unsubscribed"}));
|
|
||||||
end
|
|
||||||
-- else ignore
|
|
||||||
else
|
|
||||||
send(origin, st.error_reply(stanza, "cancel", "service-unavailable"));
|
|
||||||
end
|
|
||||||
end
|
|
||||||
end
|
|
||||||
else
|
|
||||||
-- Remote host
|
|
||||||
if host_session then
|
|
||||||
-- Send to session
|
|
||||||
else
|
|
||||||
-- Need to establish the connection
|
|
||||||
end
|
|
||||||
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
|
|
||||||
=======
|
|
||||||
|
|
||||||
-- The code in this file should be self-explanatory, though the logic is horrible
|
-- 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
|
-- for more info on that, see doc/stanza_routing.txt, which attempts to condense
|
||||||
|
|
@ -313,7 +93,6 @@ function core_handle_stanza(origin, stanza)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
|
||||||
-- TODO: Does this function belong here?
|
|
||||||
function is_authorized_to_see_presence(origin, username, host)
|
function is_authorized_to_see_presence(origin, username, host)
|
||||||
local roster = datamanager.load(username, host, "roster") or {};
|
local roster = datamanager.load(username, host, "roster") or {};
|
||||||
local item = roster[origin.username.."@"..origin.host];
|
local item = roster[origin.username.."@"..origin.host];
|
||||||
|
|
@ -407,7 +186,11 @@ function core_route_stanza(origin, stanza)
|
||||||
end
|
end
|
||||||
else
|
else
|
||||||
-- Remote host
|
-- Remote host
|
||||||
send_s2s(origin.host, host, stanza);
|
if host_session then
|
||||||
|
-- Send to session
|
||||||
|
else
|
||||||
|
-- Need to establish the connection
|
||||||
|
end
|
||||||
end
|
end
|
||||||
stanza.attr.to = to; -- reset
|
stanza.attr.to = to; -- reset
|
||||||
end
|
end
|
||||||
|
|
@ -415,4 +198,3 @@ end
|
||||||
function handle_stanza_toremote(stanza)
|
function handle_stanza_toremote(stanza)
|
||||||
log("error", "Stanza bound for remote host, but s2s is not implemented");
|
log("error", "Stanza bound for remote host, but s2s is not implemented");
|
||||||
end
|
end
|
||||||
>>>>>>> other
|
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue