diff options
Diffstat (limited to 'core')
-rw-r--r-- | core/presencemanager.lua | 442 |
1 files changed, 221 insertions, 221 deletions
diff --git a/core/presencemanager.lua b/core/presencemanager.lua index f94ffd55..8811e078 100644 --- a/core/presencemanager.lua +++ b/core/presencemanager.lua @@ -7,227 +7,227 @@ -- -
-local log = require "util.logger".init("presencemanager")
-
-local require = require;
-local pairs, ipairs = pairs, ipairs;
-local t_concat = table.concat;
-local s_find = string.find;
-local tonumber = tonumber;
-
-local st = require "util.stanza";
-local jid_split = require "util.jid".split;
-local hosts = hosts;
-
-local rostermanager = require "core.rostermanager";
-local sessionmanager = require "core.sessionmanager";
-local offlinemanager = require "core.offlinemanager";
-
-module "presencemanager"
-
-function handle_presence(origin, stanza, from_bare, to_bare, core_route_stanza, inbound)
- local type = stanza.attr.type;
- if type and type ~= "unavailable" then
- if inbound then
- handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
- else
- handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
- end
- elseif not inbound and not stanza.attr.to then
- handle_normal_presence(origin, stanza, core_route_stanza);
- else
- core_route_stanza(origin, stanza);
- end
-end
-
-function handle_normal_presence(origin, stanza, core_route_stanza)
- if origin.roster 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
+ +local log = require "util.logger".init("presencemanager") + +local require = require; +local pairs, ipairs = pairs, ipairs; +local t_concat = table.concat; +local s_find = string.find; +local tonumber = tonumber; + +local st = require "util.stanza"; +local jid_split = require "util.jid".split; +local hosts = hosts; + +local rostermanager = require "core.rostermanager"; +local sessionmanager = require "core.sessionmanager"; +local offlinemanager = require "core.offlinemanager"; + +module "presencemanager" + +function handle_presence(origin, stanza, from_bare, to_bare, core_route_stanza, inbound) + local type = stanza.attr.type; + if type and type ~= "unavailable" then + if inbound then + handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); + else + handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); + end + elseif not inbound and not stanza.attr.to then + handle_normal_presence(origin, stanza, core_route_stanza); + else + core_route_stanza(origin, stanza); + end +end + +function handle_normal_presence(origin, stanza, core_route_stanza) + if origin.roster 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 local offline = offlinemanager.load(node, host); - if offline then
- for _, msg in ipairs(offline) do
- origin.send(msg); -- FIXME do we need to modify to/from in any way?
- end
+ if offline then + for _, msg in ipairs(offline) do + origin.send(msg); -- FIXME do we need to modify to/from in any way? + end offlinemanager.deleteAll(node, host); - end
- end
- origin.priority = 0;
- if stanza.attr.type == "unavailable" then
- origin.presence = nil;
- if origin.directed then
- local old_from = stanza.attr.from;
- stanza.attr.from = origin.full_jid;
- for jid in pairs(origin.directed) do
- stanza.attr.to = jid;
- core_route_stanza(origin, stanza);
- end
- stanza.attr.from = old_from;
- origin.directed = nil;
- end
- 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
- else
- log("error", "presence recieved from client with no roster");
- end
-end
-
-function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza)
- 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;
- core_route_stanza(session, pres);
- pres.attr.to = nil;
- pres.attr.from = nil;
- count = count + 1;
- end
- end
- end
- end
- log("info", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid);
- return count;
-end
-
-function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
- local node, host = jid_split(from_bare);
- local st_from, st_to = stanza.attr.from, stanza.attr.to;
- stanza.attr.from, stanza.attr.to = from_bare, to_bare;
- log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);
- if stanza.attr.type == "subscribe" then
- -- 1. route stanza
- -- 2. roster push (subscription = none, ask = subscribe)
- if rostermanager.set_contact_pending_out(node, host, to_bare) then
- rostermanager.roster_push(node, host, to_bare);
- end -- else file error
- core_route_stanza(origin, stanza);
- elseif stanza.attr.type == "unsubscribe" then
- -- 1. route stanza
- -- 2. roster push (subscription = none or from)
- if rostermanager.unsubscribe(node, host, to_bare) then
- rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed?
- end -- else file error
- core_route_stanza(origin, stanza);
- elseif stanza.attr.type == "subscribed" then
- -- 1. route stanza
- -- 2. roster_push ()
- -- 3. send_presence_of_available_resources
- if rostermanager.subscribed(node, host, to_bare) then
- rostermanager.roster_push(node, host, to_bare);
- end
- core_route_stanza(origin, stanza);
- send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza);
- elseif stanza.attr.type == "unsubscribed" then
- -- 1. route stanza
- -- 2. roster push (subscription = none or to)
- if rostermanager.unsubscribed(node, host, to_bare) then
- rostermanager.roster_push(node, host, to_bare);
- end
- core_route_stanza(origin, stanza);
- end
- stanza.attr.from, stanza.attr.to = st_from, st_to;
-end
-
-function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
- local node, host = jid_split(to_bare);
- local st_from, st_to = stanza.attr.from, stanza.attr.to;
- stanza.attr.from, stanza.attr.to = from_bare, to_bare;
- log("debug", "inbound presence "..stanza.attr.type.." from "..from_bare.." for "..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, core_route_stanza) then
- -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
- end
- else
- core_route_stanza(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
- core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed
- -- Sending presence is not clearly stated in the RFC, but it seems appropriate
- if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then
- -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
- end
- else
- if not rostermanager.is_contact_pending_in(node, host, from_bare) then
- if rostermanager.set_contact_pending_in(node, host, from_bare) then
- sessionmanager.send_to_available_resources(node, host, stanza);
- end -- TODO else return error, unable to save
- 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);
- end
- elseif stanza.attr.type == "unsubscribed" then
- if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then
- rostermanager.roster_push(node, host, from_bare);
- end
- end -- discard any other type
- stanza.attr.from, stanza.attr.to = st_from, st_to;
-end
-
-return _M;
+ end + end + origin.priority = 0; + if stanza.attr.type == "unavailable" then + origin.presence = nil; + if origin.directed then + local old_from = stanza.attr.from; + stanza.attr.from = origin.full_jid; + for jid in pairs(origin.directed) do + stanza.attr.to = jid; + core_route_stanza(origin, stanza); + end + stanza.attr.from = old_from; + origin.directed = nil; + end + 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 + else + log("error", "presence recieved from client with no roster"); + end +end + +function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza) + 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; + core_route_stanza(session, pres); + pres.attr.to = nil; + pres.attr.from = nil; + count = count + 1; + end + end + end + end + log("info", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid); + return count; +end + +function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza) + local node, host = jid_split(from_bare); + local st_from, st_to = stanza.attr.from, stanza.attr.to; + stanza.attr.from, stanza.attr.to = from_bare, to_bare; + log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare); + if stanza.attr.type == "subscribe" then + -- 1. route stanza + -- 2. roster push (subscription = none, ask = subscribe) + if rostermanager.set_contact_pending_out(node, host, to_bare) then + rostermanager.roster_push(node, host, to_bare); + end -- else file error + core_route_stanza(origin, stanza); + elseif stanza.attr.type == "unsubscribe" then + -- 1. route stanza + -- 2. roster push (subscription = none or from) + if rostermanager.unsubscribe(node, host, to_bare) then + rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed? + end -- else file error + core_route_stanza(origin, stanza); + elseif stanza.attr.type == "subscribed" then + -- 1. route stanza + -- 2. roster_push () + -- 3. send_presence_of_available_resources + if rostermanager.subscribed(node, host, to_bare) then + rostermanager.roster_push(node, host, to_bare); + end + core_route_stanza(origin, stanza); + send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza); + elseif stanza.attr.type == "unsubscribed" then + -- 1. route stanza + -- 2. roster push (subscription = none or to) + if rostermanager.unsubscribed(node, host, to_bare) then + rostermanager.roster_push(node, host, to_bare); + end + core_route_stanza(origin, stanza); + end + stanza.attr.from, stanza.attr.to = st_from, st_to; +end + +function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza) + local node, host = jid_split(to_bare); + local st_from, st_to = stanza.attr.from, stanza.attr.to; + stanza.attr.from, stanza.attr.to = from_bare, to_bare; + log("debug", "inbound presence "..stanza.attr.type.." from "..from_bare.." for "..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, core_route_stanza) then + -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too) + end + else + core_route_stanza(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 + core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed + -- Sending presence is not clearly stated in the RFC, but it seems appropriate + if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then + -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too) + end + else + if not rostermanager.is_contact_pending_in(node, host, from_bare) then + if rostermanager.set_contact_pending_in(node, host, from_bare) then + sessionmanager.send_to_available_resources(node, host, stanza); + end -- TODO else return error, unable to save + 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); + end + elseif stanza.attr.type == "unsubscribed" then + if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then + rostermanager.roster_push(node, host, from_bare); + end + end -- discard any other type + stanza.attr.from, stanza.attr.to = st_from, st_to; +end + +return _M; |