+++ /dev/null
--- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 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 = "Chatrooms";
-local history_length = 20;
-
-local muc_new_room = module:require "muc".new_room;
-local register_component = require "core.componentmanager".register_component;
-local deregister_component = require "core.componentmanager".deregister_component;
-local jid_split = require "util.jid".split;
-local st = require "util.stanza";
-local uuid_gen = require "util.uuid".generate;
-local datamanager = require "util.datamanager";
-
-local rooms = {};
-local persistent_rooms = datamanager.load(nil, muc_host, "persistent") or {};
-local component;
-
-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;
- module:log("debug", "1, %s, %s", room.jid, tostring(room._data.persistent));
- if room._data.persistent then
- module:log("debug", "2");
- 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
- module:log("debug", "3");
- datamanager.store(node, muc_host, "config", nil);
- end
- module:log("debug", "4");
- 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);
- room._data = data._data;
- 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);
-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._data.hidden then
- reply:tag("item", {jid=jid, name=jid}):up();
- end
- end
- return reply; -- TODO cache disco reply
-end
-
-local function handle_to_domain(origin, 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
-end
-
-component = register_component(muc_host, function(origin, stanza)
- local to_node, to_host, to_resource = jid_split(stanza.attr.to);
- if to_node then
- local bare = to_node.."@"..to_host;
- if to_host == muc_host or bare == muc_host then
- local room = rooms[bare];
- if not room then
- room = muc_new_room(bare);
- room.route_stanza = room_route_stanza;
- room.save = room_save;
- rooms[bare] = room;
- end
- room:handle_stanza(origin, stanza);
- else --[[not for us?]] end
- return;
- end
- -- to the main muc domain
- handle_to_domain(origin, stanza);
-end);
-
-prosody.hosts[module:get_host()].muc = { rooms = rooms };
-
-module.unload = function()
- deregister_component(muc_host);
-end
-module.save = function()
- return {rooms = rooms};
-end
-module.restore = function(data)
- rooms = {};
- 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
+++ /dev/null
--- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
---
--- This project is MIT/X11 licensed. Please see the
--- COPYING file in the source package for more information.
---
-
-local datamanager = require "util.datamanager";
-local datetime = require "util.datetime";
-
-local jid_split = require "util.jid".split;
-local jid_bare = require "util.jid".bare;
-local st = require "util.stanza";
-local log = require "util.logger".init("mod_muc");
-local multitable_new = require "util.multitable".new;
-local t_insert, t_remove = table.insert, table.remove;
-local setmetatable = setmetatable;
-
-local muc_domain = nil; --module:get_host();
-local history_length = 20;
-
-------------
-local function filter_xmlns_from_array(array, filters)
- local count = 0;
- for i=#array,1,-1 do
- local attr = array[i].attr;
- if filters[attr and attr.xmlns] then
- t_remove(array, i);
- count = count + 1;
- end
- end
- return count;
-end
-local function filter_xmlns_from_stanza(stanza, filters)
- if filters then
- if filter_xmlns_from_array(stanza.tags, filters) ~= 0 then
- return stanza, filter_xmlns_from_array(stanza, filters);
- end
- end
- return stanza, 0;
-end
-local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true};
-local function get_filtered_presence(stanza)
- return filter_xmlns_from_stanza(st.clone(stanza), presence_filters);
-end
-local kickable_error_conditions = {
- ["gone"] = true;
- ["internal-server-error"] = true;
- ["item-not-found"] = true;
- ["jid-malformed"] = true;
- ["recipient-unavailable"] = true;
- ["redirect"] = true;
- ["remote-server-not-found"] = true;
- ["remote-server-timeout"] = true;
- ["service-unavailable"] = true;
-};
-local function get_kickable_error(stanza)
- for _, tag in ipairs(stanza.tags) do
- if tag.name == "error" and tag.attr.xmlns == "jabber:client" then
- for _, cond in ipairs(tag.tags) do
- if cond.attr.xmlns == "urn:ietf:params:xml:ns:xmpp-stanzas" then
- return kickable_error_conditions[cond.name] and cond.name;
- end
- end
- return true; -- malformed error message
- end
- end
- return true; -- malformed error message
-end
-local function getUsingPath(stanza, path, getText)
- local tag = stanza;
- for _, name in ipairs(path) do
- if type(tag) ~= 'table' then return; end
- tag = tag:child_with_name(name);
- end
- if tag and getText then tag = table.concat(tag); end
- return tag;
-end
-local function getTag(stanza, path) return getUsingPath(stanza, path); end
-local function getText(stanza, path) return getUsingPath(stanza, path, true); end
------------
-
---[[function get_room_disco_info(room, stanza)
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
- :tag("identity", {category='conference', type='text', name=room._data["name"]):up()
- :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
-end
-function get_room_disco_items(room, stanza)
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
-end -- TODO allow non-private rooms]]
-
---
-
-local room_mt = {};
-room_mt.__index = room_mt;
-
-function room_mt:get_default_role(affiliation)
- if affiliation == "owner" or affiliation == "admin" then
- return "moderator";
- elseif affiliation == "member" or not affiliation then
- return "participant";
- end
-end
-
-function room_mt:broadcast_presence(stanza, code, nick)
- stanza = get_filtered_presence(stanza);
- local data = self._occupants[stanza.attr.from];
- stanza:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=data.affiliation, role=data.role, nick=nick}):up();
- if code then
- stanza:tag("status", {code=code}):up();
- end
- local me;
- for occupant, o_data in pairs(self._occupants) do
- if occupant ~= stanza.attr.from then
- for jid in pairs(o_data.sessions) do
- stanza.attr.to = jid;
- self:route_stanza(stanza);
- end
- else
- me = o_data;
- end
- end
- if me then
- stanza:tag("status", {code='110'});
- for jid in pairs(me.sessions) do
- stanza.attr.to = jid;
- self:route_stanza(stanza);
- end
- end
-end
-function room_mt:broadcast_message(stanza, historic)
- for occupant, o_data in pairs(self._occupants) do
- for jid in pairs(o_data.sessions) do
- stanza.attr.to = jid;
- self:route_stanza(stanza);
- end
- end
- if historic then -- add to history
- local history = self._data['history'];
- if not history then history = {}; self._data['history'] = history; end
- -- stanza = st.clone(stanza);
- stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203
- stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
- t_insert(history, st.clone(st.preserialize(stanza)));
- while #history > history_length do t_remove(history, 1) end
- end
-end
-function room_mt:broadcast_except_nick(stanza, nick)
- for rnick, occupant in pairs(self._occupants) do
- if rnick ~= nick then
- for jid in pairs(occupant.sessions) do
- stanza.attr.to = jid;
- self:route_stanza(stanza);
- end
- end
- end
-end
-
-function room_mt:send_occupant_list(to)
- local current_nick = self._jid_nick[to];
- for occupant, o_data in pairs(self._occupants) do
- if occupant ~= current_nick then
- local pres = get_filtered_presence(o_data.sessions[o_data.jid]);
- pres.attr.to, pres.attr.from = to, occupant;
- pres:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
- :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up();
- self:route_stanza(pres);
- end
- end
-end
-function room_mt:send_history(to)
- local history = self._data['history']; -- send discussion history
- if history then
- for _, msg in ipairs(history) do
- msg = st.deserialize(msg);
- msg.attr.to=to;
- self:route_stanza(msg);
- end
- end
- if self._data['subject'] then
- self:route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject']));
- end
-end
-
-local function room_get_disco_info(self, stanza)
- return st.reply(stanza):query("http://jabber.org/protocol/disco#info"):tag("identity", {category="conference", type="text"});
-end
-local function room_get_disco_items(self, stanza)
- return st.reply(stanza):query("http://jabber.org/protocol/disco#items");
-end
-function room_mt:set_subject(current_nick, subject)
- -- TODO check nick's authority
- if subject == "" then subject = nil; end
- self._data['subject'] = subject;
- if self.save then self:save(); end
- local msg = st.message({type='groupchat', from=current_nick})
- :tag('subject'):text(subject):up();
- self:broadcast_message(msg, false);
- return true;
-end
-
-function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
- local from, to = stanza.attr.from, stanza.attr.to;
- local room = jid_bare(to);
- local current_nick = self._jid_nick[from];
- local type = stanza.attr.type;
- log("debug", "room: %s, current_nick: %s, stanza: %s", room or "nil", current_nick or "nil", stanza:top_tag());
- if (select(2, jid_split(from)) == muc_domain) then error("Presence from the MUC itself!!!"); end
- if stanza.name == "presence" then
- local pr = get_filtered_presence(stanza);
- pr.attr.from = current_nick;
- if type == "error" then -- error, kick em out!
- if current_nick then
- log("debug", "kicking %s from %s", current_nick, room);
- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to})
- :tag('status'):text('This participant is kicked from the room because he sent an error presence')); -- send unavailable
- end
- elseif type == "unavailable" then -- unavailable
- if current_nick then
- log("debug", "%s leaving %s", current_nick, room);
- local data = self._occupants[current_nick];
- data.role = 'none';
- self:broadcast_presence(pr);
- self._occupants[current_nick] = nil;
- self._jid_nick[from] = nil;
- end
- elseif not type then -- available
- if current_nick then
- --if #pr == #stanza or current_nick ~= to then -- commented because google keeps resending directed presence
- if current_nick == to then -- simple presence
- log("debug", "%s broadcasted presence", current_nick);
- self._occupants[current_nick].sessions[from] = pr;
- self:broadcast_presence(pr);
- else -- change nick
- if self._occupants[to] then
- log("debug", "%s couldn't change nick", current_nick);
- origin.send(st.error_reply(stanza, "cancel", "conflict"):tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
- else
- local data = self._occupants[current_nick];
- local to_nick = select(3, jid_split(to));
- if to_nick then
- log("debug", "%s (%s) changing nick to %s", current_nick, data.jid, to);
- local p = st.presence({type='unavailable', from=current_nick});
- self:broadcast_presence(p, '303', to_nick);
- self._occupants[current_nick] = nil;
- self._occupants[to] = data;
- self._jid_nick[from] = to;
- pr.attr.from = to;
- self._occupants[to].sessions[from] = pr;
- self:broadcast_presence(pr);
- else
- --TODO malformed-jid
- end
- end
- end
- --else -- possible rejoin
- -- log("debug", "%s had connection replaced", current_nick);
- -- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to})
- -- :tag('status'):text('Replaced by new connection'):up()); -- send unavailable
- -- self:handle_to_occupant(origin, stanza); -- resend available
- --end
- else -- enter room
- local new_nick = to;
- if self._occupants[to] then
- new_nick = nil;
- end
- if not new_nick then
- log("debug", "%s couldn't join due to nick conflict: %s", from, to);
- origin.send(st.error_reply(stanza, "cancel", "conflict"):tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
- else
- log("debug", "%s joining as %s", from, to);
- if not next(self._affiliations) then -- new room, no owners
- self._affiliations[jid_bare(from)] = "owner";
- end
- local affiliation = self:get_affiliation(from);
- local role = self:get_default_role(affiliation)
- if role then -- new occupant
- self._occupants[to] = {affiliation=affiliation, role=role, jid=from, sessions={[from]=get_filtered_presence(stanza)}};
- self._jid_nick[from] = to;
- self:send_occupant_list(from);
- pr.attr.from = to;
- self:broadcast_presence(pr);
- self:send_history(from);
- else -- banned
- origin.send(st.error_reply(stanza, "auth", "forbidden"):tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
- end
- end
- end
- elseif type ~= 'result' then -- bad type
- origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error?
- end
- elseif not current_nick and type ~= "error" and type ~= "result" then -- not in room
- origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
- elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM
- origin.send(st.error_reply(stanza, "modify", "bad-request"));
- elseif stanza.name == "message" and type == "error" and get_kickable_error(stanza) then
- log("debug", "%s kicked from %s for sending an error message", current_nick, room);
- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}):tag('status'):text('This participant is kicked from the room because he sent an error message to another occupant')); -- send unavailable
- else -- private stanza
- local o_data = self._occupants[to];
- if o_data then
- log("debug", "%s sent private stanza to %s (%s)", from, to, o_data.jid);
- local jid = o_data.jid;
- -- TODO if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' then jid = jid_bare(jid); end
- stanza.attr.to, stanza.attr.from = jid, current_nick;
- self:route_stanza(stanza);
- elseif type ~= "error" and type ~= "result" then -- recipient not in room
- origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room"));
- end
- end
-end
-
-function room_mt:handle_form(origin, stanza)
- if self:get_affiliation(stanza.attr.from) ~= "owner" then origin.send(st.error_reply(stanza, "auth", "forbidden")); return; end
- if stanza.attr.type == "get" then
- local title = "Configuration for "..self.jid;
- origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner")
- :tag("x", {xmlns='jabber:x:data', type='form'})
- :tag("title"):text(title):up()
- :tag("instructions"):text(title):up()
- :tag("field", {type='hidden', var='FORM_TYPE'}):tag("value"):text("http://jabber.org/protocol/muc#roomconfig"):up():up()
- :tag("field", {type='boolean', label='Make Room Persistent?', var='muc#roomconfig_persistentroom'})
- :tag("value"):text(self._data.persistent and "1" or "0"):up()
- :up()
- :tag("field", {type='boolean', label='Make Room Publicly Searchable?', var='muc#roomconfig_publicroom'})
- :tag("value"):text(self._data.hidden and "0" or "1"):up()
- :up()
- );
- elseif stanza.attr.type == "set" then
- local query = stanza.tags[1];
- local form;
- for _, tag in ipairs(query.tags) do if tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then form = tag; break; end end
- if not form then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); return; end
- if form.attr.type == "cancel" then origin.send(st.reply(stanza)); return; end
- if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
- local fields = {};
- for _, field in pairs(form.tags) do
- if field.name == "field" and field.attr.var and field.tags[1].name == "value" and #field.tags[1].tags == 0 then
- fields[field.attr.var] = field.tags[1][1] or "";
- end
- end
- if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
-
- local persistent = fields['muc#roomconfig_persistentroom'];
- if persistent == "0" or persistent == "false" then persistent = nil; elseif persistent == "1" or persistent == "true" then persistent = true;
- else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
- self._data.persistent = persistent;
- module:log("debug", "persistent=%s", tostring(persistent));
-
- local public = fields['muc#roomconfig_publicroom'];
- if public == "0" or public == "false" then public = nil; elseif public == "1" or public == "true" then public = true;
- else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end
- self._data.hidden = not public and true or nil;
-
- if self.save then self:save(true); end
- origin.send(st.reply(stanza));
- end
-end
-
-function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc
- local type = stanza.attr.type;
- local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns;
- if stanza.name == "iq" then
- if xmlns == "http://jabber.org/protocol/disco#info" and type == "get" then
- origin.send(room_get_disco_info(self, stanza));
- elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then
- origin.send(room_get_disco_items(self, stanza));
- elseif xmlns == "http://jabber.org/protocol/muc#admin" then
- local actor = stanza.attr.from;
- local affiliation = self:get_affiliation(actor);
- local current_nick = self._jid_nick[actor];
- local role = current_nick and self._occupants[current_nick].role or self:get_default_role(affiliation);
- local item = stanza.tags[1].tags[1];
- if item and item.name == "item" then
- if type == "set" then
- local callback = function() origin.send(st.reply(stanza)); end
- if not item.attr.jid and item.attr.nick then -- COMPAT Workaround for Miranda sending 'nick' instead of 'jid' when changing affiliation
- local occupant = self._occupants[self.jid.."/"..item.attr.nick];
- if occupant then item.attr.jid = occupant.jid; end
- end
- if item.attr.affiliation and item.attr.jid and not item.attr.role then
- local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback);
- if not success then origin.send(st.error_reply(stanza, errtype, err)); end
- elseif item.attr.role and item.attr.nick and not item.attr.affiliation then
- local success, errtype, err = self:set_role(actor, self.jid.."/"..item.attr.nick, item.attr.role, callback);
- if not success then origin.send(st.error_reply(stanza, errtype, err)); end
- else
- origin.send(st.error_reply(stanza, "cancel", "bad-request"));
- end
- elseif type == "get" then
- local _aff = item.attr.affiliation;
- local _rol = item.attr.role;
- if _aff and not _rol then
- if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then
- local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin");
- for jid, affiliation in pairs(self._affiliations) do
- if affiliation == _aff then
- reply:tag("item", {affiliation = _aff, jid = jid}):up();
- end
- end
- origin.send(reply);
- else
- origin.send(st.error_reply(stanza, "auth", "forbidden"));
- end
- elseif _rol and not _aff then
- if role == "moderator" then
- -- TODO allow admins and owners not in room? Provide read-only access to everyone who can see the participants anyway?
- if _rol == "none" then _rol = nil; end
- local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin");
- for nick, occupant in pairs(self._occupants) do
- if occupant.role == _rol then
- reply:tag("item", {nick = nick, role = _rol or "none", affiliation = occupant.affiliation or "none", jid = occupant.jid}):up();
- end
- end
- origin.send(reply);
- else
- origin.send(st.error_reply(stanza, "auth", "forbidden"));
- end
- else
- origin.send(st.error_reply(stanza, "cancel", "bad-request"));
- end
- end
- elseif type == "set" or type == "get" then
- origin.send(st.error_reply(stanza, "cancel", "bad-request"));
- end
- elseif xmlns == "http://jabber.org/protocol/muc#owner" and (type == "get" or type == "set") and stanza.tags[1].name == "query" then
- self:handle_form(origin, stanza);
- elseif type == "set" or type == "get" then
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
- elseif stanza.name == "message" and type == "groupchat" then
- local from, to = stanza.attr.from, stanza.attr.to;
- local room = jid_bare(to);
- local current_nick = self._jid_nick[from];
- if not current_nick then -- not in room
- origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
- else
- local from = stanza.attr.from;
- stanza.attr.from = current_nick;
- local subject = getText(stanza, {"subject"});
- if subject then
- self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza
- else
- self:broadcast_message(stanza, true);
- end
- end
- elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick
- local to = stanza.attr.to;
- local current_nick = self._jid_nick[stanza.attr.from];
- if current_nick then
- stanza.attr.to = current_nick;
- self:handle_to_occupant(origin, stanza);
- stanza.attr.to = to;
- elseif type ~= "error" and type ~= "result" then
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
- elseif stanza.name == "message" and not stanza.attr.type and #stanza.tags == 1 and self._jid_nick[stanza.attr.from]
- and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" and #stanza.tags[1].tags == 1
- and stanza.tags[1].tags[1].name == "invite" and stanza.tags[1].tags[1].attr.to then
- local _from, _to = stanza.attr.from, stanza.attr.to;
- local _invitee = stanza.tags[1].tags[1].attr.to;
- stanza.attr.from, stanza.attr.to = _to, _invitee;
- stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = _from, nil;
- self:route_stanza(stanza);
- stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = nil, _invitee;
- stanza.attr.from, stanza.attr.to = _from, _to;
- else
- if type == "error" or type == "result" then return; end
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
- end
-end
-
-function room_mt:handle_stanza(origin, stanza)
- local to_node, to_host, to_resource = jid_split(stanza.attr.to);
- if to_resource then
- self:handle_to_occupant(origin, stanza);
- else
- self:handle_to_room(origin, stanza);
- end
-end
-
-function room_mt:route_stanza(stanza) end -- Replace with a routing function, e.g., function(room, stanza) core_route_stanza(origin, stanza); end
-
-function room_mt:get_affiliation(jid)
- local node, host, resource = jid_split(jid);
- local bare = node and node.."@"..host or host;
- local result = self._affiliations[bare]; -- Affiliations are granted, revoked, and maintained based on the user's bare JID.
- if not result and self._affiliations[host] == "outcast" then result = "outcast"; end -- host banned
- return result;
-end
-function room_mt:set_affiliation(actor, jid, affiliation, callback)
- jid = jid_bare(jid);
- if affiliation == "none" then affiliation = nil; end
- if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then
- return nil, "modify", "not-acceptable";
- end
- if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end
- if jid_bare(actor) == jid then return nil, "cancel", "not-allowed"; end
- self._affiliations[jid] = affiliation;
- local role = self:get_default_role(affiliation);
- local p = st.presence()
- :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
- :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up();
- local x = p.tags[1];
- local item = x.tags[1];
- if not role then -- getting kicked
- p.attr.type = "unavailable";
- if affiliation == "outcast" then
- x:tag("status", {code="301"}):up(); -- banned
- else
- x:tag("status", {code="321"}):up(); -- affiliation change
- end
- end
- local modified_nicks = {};
- for nick, occupant in pairs(self._occupants) do
- if jid_bare(occupant.jid) == jid then
- if not role then -- getting kicked
- self._occupants[nick] = nil;
- else
- t_insert(modified_nicks, nick);
- occupant.affiliation, occupant.role = affiliation, role;
- end
- p.attr.from = nick;
- for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick
- if not role then self._jid_nick[jid] = nil; end
- p.attr.to = jid;
- self:route_stanza(p);
- end
- end
- end
- if self.save then self:save(); end
- if callback then callback(); end
- for _, nick in ipairs(modified_nicks) do
- p.attr.from = nick;
- self:broadcast_except_nick(p, nick);
- end
- return true;
-end
-
-function room_mt:get_role(nick)
- local session = self._occupants[nick];
- return session and session.role or nil;
-end
-function room_mt:set_role(actor, nick, role, callback)
- if role == "none" then role = nil; end
- if role and role ~= "moderator" and role ~= "participant" and role ~= "visitor" then return nil, "modify", "not-acceptable"; end
- if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end
- local occupant = self._occupants[nick];
- if not occupant then return nil, "modify", "not-acceptable"; end
- if occupant.affiliation == "owner" or occupant.affiliation == "admin" then return nil, "cancel", "not-allowed"; end
- local p = st.presence({from = nick})
- :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
- :tag("item", {affiliation=occupant.affiliation or "none", nick=nick, role=role or "none"}):up();
- if not role then -- kick
- p.attr.type = "unavailable";
- self._occupants[nick] = nil;
- for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick
- self._jid_nick[jid] = nil;
- end
- p:tag("status", {code = "307"}):up();
- else
- occupant.role = role;
- end
- for jid in pairs(occupant.sessions) do -- send to all sessions of the nick
- p.attr.to = jid;
- self:route_stanza(p);
- end
- if callback then callback(); end
- self:broadcast_except_nick(p, nick);
- return true;
-end
-
-local _M = {}; -- module "muc"
-
-function _M.new_room(jid)
- return setmetatable({
- jid = jid;
- _jid_nick = {};
- _occupants = {};
- _data = {};
- _affiliations = {};
- }, room_mt);
-end
-
-return _M;
-
---[[function get_disco_info(stanza)
- return st.iq({type='result', id=stanza.attr.id, from=muc_domain, 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
-function get_disco_items(stanza)
- local reply = st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
- for room in pairs(rooms_info:get()) do
- reply:tag("item", {jid=room, name=rooms_info:get(room, "name")}):up();
- end
- return reply; -- TODO cache disco reply
-end]]
-
---[[function handle_to_domain(origin, 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));
- else
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
- end
- else
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
- end
-end
-
-register_component(muc_domain, function(origin, stanza)
- local to_node, to_host, to_resource = jid_split(stanza.attr.to);
- if to_resource and not to_node then
- if type == "error" or type == "result" then return; end
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- host/resource
- elseif to_resource then
- handle_to_occupant(origin, stanza);
- elseif to_node then
- handle_to_room(origin, stanza)
- else -- to the main muc domain
- if type == "error" or type == "result" then return; end
- handle_to_domain(origin, stanza);
- end
-end);]]
-
---[[module.unload = function()
- deregister_component(muc_domain);
-end
-module.save = function()
- return {rooms = rooms.data; jid_nick = jid_nick.data; rooms_info = rooms_info.data; persist_list = persist_list};
-end
-module.restore = function(data)
- rooms.data, jid_nick.data, rooms_info.data, persist_list =
- data.rooms or {}, data.jid_nick or {}, data.rooms_info or {}, data.persist_list or {};
-end]]