diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/rostermanager.lua | 177 | ||||
| -rw-r--r-- | core/sessionmanager.lua | 20 | ||||
| -rw-r--r-- | core/stanza_router.lua | 182 |
3 files changed, 338 insertions, 41 deletions
diff --git a/core/rostermanager.lua b/core/rostermanager.lua index c39d28ed..7d8d4ee1 100644 --- a/core/rostermanager.lua +++ b/core/rostermanager.lua @@ -49,7 +49,7 @@ function remove_from_roster(session, jid) end function roster_push(username, host, jid) - if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then + if jid ~= "pending" and hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then local item = hosts[host].sessions[username].roster[jid]; local stanza = st.iq({type="set"}); stanza:tag("query", {xmlns = "jabber:iq:roster"}); @@ -74,23 +74,196 @@ function roster_push(username, host, jid) end function load_roster(username, host) + log("debug", "load_roster: asked for: "..username.."@"..host); if hosts[host] and hosts[host].sessions[username] then local roster = hosts[host].sessions[username].roster; if not roster then + log("debug", "load_roster: loading for new user: "..username.."@"..host); roster = datamanager.load(username, host, "roster") or {}; hosts[host].sessions[username].roster = roster; end return roster; end -- Attempt to load roster for non-loaded user - -- TODO also support loading for offline user + log("debug", "load_roster: loading for offline user: "..username.."@"..host); + return datamanager.load(username, host, "roster") or {}; end function save_roster(username, host) + log("debug", "save_roster: saving roster for "..username.."@"..host); if hosts[host] and hosts[host].sessions[username] and hosts[host].sessions[username].roster then return datamanager.store(username, host, "roster", hosts[host].sessions[username].roster); end return nil; end +function process_inbound_subscription_approval(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + if item and item.ask then + if item.subscription == "none" then + item.subscription = "to"; + else -- subscription == from + item.subscription = "both"; + end + item.ask = nil; + return datamanager.store(username, host, "roster", roster); + end +end + +function process_inbound_subscription_cancellation(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + local changed = nil; + if is_contact_pending_out(username, host, jid) then + item.ask = nil; + changed = true; + end + if item then + if item.subscription == "to" then + item.subscription = "none"; + changed = true; + elseif item.subscription == "both" then + item.subscription = "from"; + changed = true; + end + end + if changed then + return datamanager.store(username, host, "roster", roster); + end +end + +function process_inbound_unsubscribe(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + local changed = nil; + if is_contact_pending_in(username, host, jid) then + roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty? + changed = true; + end + if item then + if item.subscription == "from" then + item.subscription = "none"; + changed = true; + elseif item.subscription == "both" then + item.subscription = "to"; + changed = true; + end + end + if changed then + return datamanager.store(username, host, "roster", roster); + end +end + +function is_contact_subscribed(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + return item and (item.subscription == "from" or item.subscription == "both"); +end + +function is_contact_pending_in(username, host, jid) + local roster = load_roster(username, host); + return roster.pending and roster.pending[jid]; +end +function set_contact_pending_in(username, host, jid, pending) + local roster = load_roster(username, host); + local item = roster[jid]; + if item and (item.subscription == "from" or item.subscription == "both") then + return; -- false + end + if not roster.pending then roster.pending = {}; end + roster.pending[jid] = true; + return datamanager.store(username, host, "roster", roster); +end +function is_contact_pending_out(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + return item and item.ask; +end +function set_contact_pending_out(username, host, jid) -- subscribe + local roster = load_roster(username, host); + local item = roster[jid]; + if item and (item.ask or item.subscription == "to" or item.subscription == "both") then + return true; + end + if not item then + item = {subscription = "none", groups = {}}; + roster[jid] = item; + end + item.ask = "subscribe"; + log("debug", "set_contact_pending_out: saving roster; set "..username.."@"..host..".roster["..jid.."].ask=subscribe"); + return datamanager.store(username, host, "roster", roster); +end +function unsubscribe(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + if not item then return false; end + if (item.subscription == "from" or item.subscription == "none") and not item.ask then + return true; + end + item.ask = nil; + if item.subscription == "both" then + item.subscription = "from"; + elseif item.subscription == "to" then + item.subscription = "none"; + end + return datamanager.store(username, host, "roster", roster); +end +function subscribed(username, host, jid) + if is_contact_pending_in(username, host, jid) then + local roster = load_roster(username, host); + local item = roster[jid]; + if item.subscription == "none" then + item.subscription = "from"; + else -- subscription == to + item.subscription = "both"; + end + roster.pending[jid] = nil; + -- TODO maybe remove roster.pending if empty + return datamanager.store(username, host, "roster", roster); + end -- TODO else implement optional feature pre-approval (ask = subscribed) +end +function unsubscribed(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + local pending = is_contact_pending_in(username, host, jid); + local changed = nil; + if is_contact_pending_in(username, host, jid) then + roster.pending[jid] = nil; -- TODO maybe delete roster.pending if empty? + changed = true; + end + if item then + if item.subscription == "from" then + item.subscription = "none"; + changed = true; + elseif item.subscription == both then + item.subscription = "to"; + changed = true; + end + end + if changed then + return datamanager.store(username, host, "roster", roster); + end +end + +function process_outbound_subscription_request(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + if item and (item.subscription == "none" or item.subscription == "from") then + item.ask = "subscribe"; + return datamanager.store(username, host, "roster", roster); + end +end + +--[[function process_outbound_subscription_approval(username, host, jid) + local roster = load_roster(username, host); + local item = roster[jid]; + if item and (item.subscription == "none" or item.subscription == "from" then + item.ask = "subscribe"; + return datamanager.store(username, host, "roster", roster); + end +end]] + + + return _M;
\ No newline at end of file diff --git a/core/sessionmanager.lua b/core/sessionmanager.lua index a7858d9e..82a001c1 100644 --- a/core/sessionmanager.lua +++ b/core/sessionmanager.lua @@ -115,4 +115,24 @@ function streamopened(session, attr) session.notopen = nil; end +function send_to_available_resources(user, host, stanza) + local count = 0; + 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); + count = count + 1; + end + end + end + end + stanza.attr.to = to; + return count; +end + return _M;
\ No newline at end of file diff --git a/core/stanza_router.lua b/core/stanza_router.lua index 44c2a82b..dfb91ee3 100644 --- a/core/stanza_router.lua +++ b/core/stanza_router.lua @@ -8,10 +8,25 @@ 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; local format = string.format; @@ -44,7 +59,13 @@ function core_process_stanza(origin, stanza) end if not to then - core_handle_stanza(origin, stanza); + core_handle_stanza(origin, stanza); + elseif origin.type == "c2s" and stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then + local node, host = jid_split(stanza.attr.to); + local to_bare = node and (node.."@"..host) or host; -- bare JID + local from_node, from_host = jid_split(stanza.attr.from); + local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID + handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare); 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 @@ -77,7 +98,7 @@ 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; @@ -162,10 +183,110 @@ 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_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare) + 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; + if stanza.attr.type == "subscribe" then + log("debug", "outbound subscribe from "..from_bare.." for "..to_bare); + -- 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 + log("debug", "outbound unsubscribe from "..from_bare.." for "..to_bare); + -- 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 + log("debug", "outbound subscribed from "..from_bare.." for "..to_bare); + -- 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); + core_route_stanza(origin, stanza); + send_presence_of_available_resources(node, host, to_bare, origin); + end + elseif stanza.attr.type == "unsubscribed" then + log("debug", "outbound unsubscribed from "..from_bare.." for "..to_bare); + -- 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); + core_route_stanza(origin, stanza); + end + 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) + 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; + 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 + core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"})); + end + elseif stanza.attr.type == "subscribe" then + log("debug", "inbound subscribe from "..from_bare.." for "..to_bare); + 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 + 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 + log("debug", "inbound unsubscribe from "..from_bare.." for "..to_bare); + if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then + rostermanager.roster_push(node, host, from_bare); + end + elseif stanza.attr.type == "subscribed" then + log("debug", "inbound subscribed from "..from_bare.." for "..to_bare); + 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 + log("debug", "inbound unsubscribed from "..from_bare.." for "..to_bare); + if rostermanager.process_inbound_subscription_approval(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 function core_route_stanza(origin, stanza) @@ -175,6 +296,10 @@ function core_route_stanza(origin, stanza) -- Deliver local to = stanza.attr.to; local node, host, resource = jid_split(to); + local to_bare = node and (node.."@"..host) or host; -- bare JID + 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 stanza.name == "presence" and (stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable") then resource = nil; end @@ -188,34 +313,11 @@ 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 - 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 + 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; + stanza.attr.to = user.sessions[k].full_jid; -- reset at the end of function send(user.sessions[k], stanza); end end @@ -234,17 +336,17 @@ function core_route_stanza(origin, stanza) end else -- User + resource is online... - stanza.attr.to = res.full_jid; + stanza.attr.to = res.full_jid; -- reset at the end of function 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 + 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 @@ -255,7 +357,7 @@ function core_route_stanza(origin, stanza) -- 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 = stanza.attr.to, to = stanza.attr.from, type = "unsubscribed"})); + send(origin, st.presence({from = to_bare, to = from_bare, type = "unsubscribed"})); end -- else ignore else @@ -265,10 +367,12 @@ function core_route_stanza(origin, stanza) end elseif origin.type == "c2s" then -- Remote host + local xmlns = stanza.attr.xmlns; --stanza.attr.xmlns = "jabber:server"; stanza.attr.xmlns = nil; log("debug", "sending s2s stanza: %s", tostring(stanza)); - send_s2s(origin.host, host, stanza); + send_s2s(origin.host, host, stanza); -- TODO handle remote routing errors + stanza.attr.xmlns = xmlns; -- reset else log("warn", "received stanza from unhandled connection type: %s", origin.type); end |