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plugins/muc/mod_muc.lua @ 4388:eded80beab58
net.server_select: Never call onincoming with nil data when a listener doesn't have an onconnect handler
author | Matthew Wild <mwild1@gmail.com> |
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date | Tue, 27 Sep 2011 17:28:56 +0100 |
parent | 4370:be14f96290a4 |
child | 4528:875b90d5ce0f |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- if module:get_host_type() ~= "component" then error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0); end local muc_host = module:get_host(); local muc_name = module:get_option("name"); if type(muc_name) ~= "string" then muc_name = "Prosody Chatrooms"; end local restrict_room_creation = module:get_option("restrict_room_creation"); if restrict_room_creation then if restrict_room_creation == true then restrict_room_creation = "admin"; elseif restrict_room_creation ~= "admin" and restrict_room_creation ~= "local" then restrict_room_creation = nil; end end local muc_new_room = module:require "muc".new_room; local jid_split = require "util.jid".split; local jid_bare = require "util.jid".bare; local st = require "util.stanza"; local uuid_gen = require "util.uuid".generate; local datamanager = require "util.datamanager"; local um_is_admin = require "core.usermanager".is_admin; rooms = {}; local rooms = rooms; local persistent_rooms = datamanager.load(nil, muc_host, "persistent") or {}; local component = hosts[module.host]; -- Configurable options local max_history_messages = module:get_option_number("max_history_messages"); local function is_admin(jid) return um_is_admin(jid, module.host); end local function room_route_stanza(room, stanza) core_post_stanza(component, stanza); end local function room_save(room, forced) local node = jid_split(room.jid); persistent_rooms[room.jid] = room._data.persistent; if room._data.persistent then local history = room._data.history; room._data.history = nil; local data = { jid = room.jid; _data = room._data; _affiliations = room._affiliations; }; datamanager.store(node, muc_host, "config", data); room._data.history = history; elseif forced then datamanager.store(node, muc_host, "config", nil); if not next(room._occupants) then -- Room empty rooms[room.jid] = nil; end end if forced then datamanager.store(nil, muc_host, "persistent", persistent_rooms); end end for jid in pairs(persistent_rooms) do local node = jid_split(jid); local data = datamanager.load(node, muc_host, "config") or {}; local room = muc_new_room(jid, { history_length = max_history_messages; }); room._data = data._data; room._data.history_length = max_history_messages; --TODO: Need to allow per-room with a global limit room._affiliations = data._affiliations; room.route_stanza = room_route_stanza; room.save = room_save; rooms[jid] = room; end local host_room = muc_new_room(muc_host, { history_length = max_history_messages; }); host_room.route_stanza = room_route_stanza; host_room.save = room_save; local function get_disco_info(stanza) return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info") :tag("identity", {category='conference', type='text', name=muc_name}):up() :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply end local function get_disco_items(stanza) local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items"); for jid, room in pairs(rooms) do if not room:is_hidden() then reply:tag("item", {jid=jid, name=room:get_name()}):up(); end end return reply; -- TODO cache disco reply end local function handle_to_domain(event) local origin, stanza = event.origin, event.stanza; local type = stanza.attr.type; if type == "error" or type == "result" then return; end if stanza.name == "iq" and type == "get" then local xmlns = stanza.tags[1].attr.xmlns; if xmlns == "http://jabber.org/protocol/disco#info" then origin.send(get_disco_info(stanza)); elseif xmlns == "http://jabber.org/protocol/disco#items" then origin.send(get_disco_items(stanza)); elseif xmlns == "http://jabber.org/protocol/muc#unique" then origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions else origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc end else host_room:handle_stanza(origin, stanza); --origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it")); end return true; end function stanza_handler(event) local origin, stanza = event.origin, event.stanza; local bare = jid_bare(stanza.attr.to); local room = rooms[bare]; if not room then if not(restrict_room_creation) or (restrict_room_creation == "admin" and is_admin(stanza.attr.from)) or (restrict_room_creation == "local" and select(2, jid_split(stanza.attr.from)) == module.host:gsub("^[^%.]+%.", "")) then room = muc_new_room(bare, { history_length = max_history_messages; }); room.route_stanza = room_route_stanza; room.save = room_save; rooms[bare] = room; end end if room then room:handle_stanza(origin, stanza); if not next(room._occupants) and not persistent_rooms[room.jid] then -- empty, non-persistent room rooms[bare] = nil; -- discard room end else origin.send(st.error_reply(stanza, "cancel", "not-allowed")); end return true; end module:hook("iq/bare", stanza_handler, -1); module:hook("message/bare", stanza_handler, -1); module:hook("presence/bare", stanza_handler, -1); module:hook("iq/full", stanza_handler, -1); module:hook("message/full", stanza_handler, -1); module:hook("presence/full", stanza_handler, -1); module:hook("iq/host", handle_to_domain, -1); module:hook("message/host", handle_to_domain, -1); module:hook("presence/host", handle_to_domain, -1); hosts[module.host].send = function(stanza) -- FIXME do a generic fix if stanza.attr.type == "result" or stanza.attr.type == "error" then core_post_stanza(component, stanza); else error("component.send only supports result and error stanzas at the moment"); end end prosody.hosts[module:get_host()].muc = { rooms = rooms }; module.save = function() return {rooms = rooms}; end module.restore = function(data) for jid, oldroom in pairs(data.rooms or {}) do local room = muc_new_room(jid); room._jid_nick = oldroom._jid_nick; room._occupants = oldroom._occupants; room._data = oldroom._data; room._affiliations = oldroom._affiliations; room.route_stanza = room_route_stanza; room.save = room_save; rooms[jid] = room; end prosody.hosts[module:get_host()].muc = { rooms = rooms }; end