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-rw-r--r--plugins/muc/muc.lib.lua274
1 files changed, 183 insertions, 91 deletions
diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua
index 3a185e17..ad45bbfd 100644
--- a/plugins/muc/muc.lib.lua
+++ b/plugins/muc/muc.lib.lua
@@ -59,19 +59,12 @@ local kickable_error_conditions = {
["service-unavailable"] = true;
["malformed error"] = true;
};
+
local function get_error_condition(stanza)
- for _, tag in ipairs(stanza.tags) do
- if tag.name == "error" and (not(tag.attr.xmlns) or 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 cond.name;
- end
- end
- return "malformed error";
- end
- end
- return "malformed error";
+ local _, condition = stanza:get_error();
+ return condition or "malformed error";
end
+
local function is_kickable_error(stanza)
local cond = get_error_condition(stanza);
return kickable_error_conditions[cond] and cond;
@@ -89,17 +82,6 @@ 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;
@@ -128,19 +110,21 @@ function room_mt:broadcast_presence(stanza, sid, code, nick)
end
end
function room_mt:broadcast_message(stanza, historic)
+ local to = stanza.attr.to;
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
+ stanza.attr.to = to;
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 = 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)));
+ t_insert(history, st.preserialize(stanza));
while #history > history_length do t_remove(history, 1) end
end
end
@@ -181,12 +165,12 @@ function room_mt:send_history(to)
end
end
-local function room_get_disco_info(self, stanza)
+function room_mt:get_disco_info(stanza)
return st.reply(stanza):query("http://jabber.org/protocol/disco#info")
:tag("identity", {category="conference", type="text"}):up()
:tag("feature", {var="http://jabber.org/protocol/muc"});
end
-local function room_get_disco_items(self, stanza)
+function room_mt:get_disco_items(stanza)
local reply = st.reply(stanza):query("http://jabber.org/protocol/disco#items");
for room_jid in pairs(self._occupants) do
reply:tag("item", {jid = room_jid, name = room_jid:match("/(.*)")}):up();
@@ -204,6 +188,16 @@ function room_mt:set_subject(current_nick, subject)
return true;
end
+local function build_unavailable_presence_from_error(stanza)
+ local type, condition, text = stanza:get_error();
+ local error_message = "Kicked: "..condition:gsub("%-", " ");
+ if text then
+ error_message = error_message..": "..text;
+ end
+ return st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to})
+ :tag('status'):text(error_message);
+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);
@@ -217,8 +211,7 @@ function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
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('Kicked: '..get_error_condition(stanza))); -- send unavailable
+ self:handle_to_occupant(origin, build_unavailable_presence_from_error(stanza));
end
elseif type == "unavailable" then -- unavailable
if current_nick then
@@ -365,8 +358,7 @@ function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
origin.send(st.error_reply(stanza, "modify", "bad-request"));
elseif current_nick and stanza.name == "message" and type == "error" and is_kickable_error(stanza) then
log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid);
- self:handle_to_occupant(origin, st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to})
- :tag('status'):text('Kicked: '..get_error_condition(stanza))); -- send unavailable
+ self:handle_to_occupant(origin, build_unavailable_presence_from_error(stanza)); -- send unavailable
else -- private stanza
local o_data = self._occupants[to];
if o_data then
@@ -387,61 +379,122 @@ function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc
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()
+function room_mt:send_form(origin, stanza)
+ 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()
+ :tag("field", {type='list-single', label='Who May Discover Real JIDs?', var='muc#roomconfig_whois'})
+ :tag("value"):text(self._data.whois or 'moderators'):up()
+ :tag("option", {label = 'Moderators Only'})
+ :tag("value"):text('moderators'):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()
+ :tag("option", {label = 'Anyone'})
+ :tag("value"):text('anyone'):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
+ :up()
+ );
+end
+
+local valid_whois = {
+ moderators = true,
+ anyone = true,
+}
+
+function room_mt:process_form(origin, stanza)
+ 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
- if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; 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 dirty = false
+
+ 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
+ dirty = dirty or (self._data.persistent ~= persistent)
+ 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
+ dirty = dirty or (self._data.hidden ~= (not public and true or nil))
+ self._data.hidden = not public and true or nil;
+
+ local whois = fields['muc#roomconfig_whois'];
+ if not valid_whois[whois] then
+ origin.send(st.error_reply(stanza, 'cancel', 'bad-request'));
+ return;
+ end
+ local whois_changed = self._data.whois ~= whois
+ self._data.whois = whois
+ module:log('debug', 'whois=%s', tostring(whois))
+
+ if self.save then self:save(true); end
+ origin.send(st.reply(stanza));
- 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));
+ if dirty or whois_changed then
+ local msg = st.message({type='groupchat', from=self.jid})
+ :tag('x', {xmlns='http://jabber.org/protocol/muc#user'}):up()
- 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 dirty then
+ msg.tags[1]:tag('status', {code = '104'})
+ end
+ if whois_changed then
+ local code = (whois == 'moderators') and 173 or 172
+ msg.tags[1]:tag('status', {code = code})
+ end
- if self.save then self:save(true); end
- origin.send(st.reply(stanza));
+ self:broadcast_message(msg, false)
end
end
+function room_mt:destroy(newjid, reason, password)
+ local pr = st.presence({type = "unavailable"})
+ :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
+ :tag("item", { affiliation='none', role='none' }):up()
+ :tag("destroy", {jid=newjid})
+ if reason then pr:tag("reason"):text(reason):up(); end
+ if password then pr:tag("password"):text(password):up(); end
+ for nick, occupant in pairs(self._occupants) do
+ pr.attr.from = nick;
+ for jid in pairs(occupant.sessions) do
+ pr.attr.to = jid;
+ self:_route_stanza(pr);
+ self._jid_nick[jid] = nil;
+ end
+ self._occupants[nick] = nil;
+ end
+ self._data.persistent = nil;
+ if self.save then self:save(true); 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));
+ origin.send(self:get_disco_info(stanza));
elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then
- origin.send(room_get_disco_items(self, stanza));
+ origin.send(self:get_disco_items(stanza));
elseif xmlns == "http://jabber.org/protocol/muc#admin" then
local actor = stanza.attr.from;
local affiliation = self:get_affiliation(actor);
@@ -492,9 +545,14 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha
-- 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
+ for occupant_jid, 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();
+ reply:tag("item", {
+ nick = select(3, jid_split(occupant_jid)),
+ role = _rol or "none",
+ affiliation = occupant.affiliation or "none",
+ jid = occupant.jid
+ }):up();
end
end
origin.send(reply);
@@ -509,7 +567,30 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha
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);
+ if self:get_affiliation(stanza.attr.from) ~= "owner" then
+ origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ elseif stanza.attr.type == "get" then
+ self:send_form(origin, stanza);
+ elseif stanza.attr.type == "set" then
+ local child = stanza.tags[1].tags[1];
+ if not child then
+ origin.send(st.error_reply(stanza, "auth", "bad-request"));
+ elseif child.name == "destroy" then
+ local newjid = child.attr.jid;
+ local reason, password;
+ for _,tag in ipairs(child.tags) do
+ if tag.name == "reason" then
+ reason = #tag.tags == 0 and tag[1];
+ elseif tag.name == "password" then
+ password = #tag.tags == 0 and tag[1];
+ end
+ end
+ self:destroy(newjid, reason, password);
+ origin.send(st.reply(stanza));
+ else
+ self:process_form(origin, stanza);
+ end
+ end
elseif type == "set" or type == "get" then
origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
end
@@ -517,23 +598,31 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha
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
+ local occupant = self._occupants[current_nick];
+ if not occupant then -- not in room
origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
+ elseif occupant.role == "visitor" then
+ origin.send(st.error_reply(stanza, "cancel", "forbidden"));
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
+ if occupant.role == "moderator" then
+ self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza
+ else
+ stanza.attr.from = from;
+ origin.send(st.error_reply(stanza, "cancel", "forbidden"));
+ end
else
self:broadcast_message(stanza, true);
end
+ stanza.attr.from = from;
end
elseif stanza.name == "message" and type == "error" and is_kickable_error(stanza) then
local current_nick = self._jid_nick[stanza.attr.from];
log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid);
- self:handle_to_occupant(origin, st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to})
- :tag('status'):text('Kicked: '..get_error_condition(stanza))); -- send unavailable
+ self:handle_to_occupant(origin, build_unavailable_presence_from_error(stanza)); -- send unavailable
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];
@@ -651,21 +740,21 @@ 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, reason)
+function room_mt:set_role(actor, occupant_jid, role, callback, reason)
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];
+ local occupant = self._occupants[occupant_jid];
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})
+ local p = st.presence({from = occupant_jid})
:tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
- :tag("item", {affiliation=occupant.affiliation or "none", nick=nick, role=role or "none"})
+ :tag("item", {affiliation=occupant.affiliation or "none", nick=select(3, jid_split(occupant_jid)), role=role or "none"})
:tag("reason"):text(reason or ""):up()
:up();
if not role then -- kick
p.attr.type = "unavailable";
- self._occupants[nick] = nil;
+ self._occupants[occupant_jid] = nil;
for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick
self._jid_nick[jid] = nil;
end
@@ -678,7 +767,7 @@ function room_mt:set_role(actor, nick, role, callback, reason)
self:_route_stanza(p);
end
if callback then callback(); end
- self:broadcast_except_nick(p, nick);
+ self:broadcast_except_nick(p, occupant_jid);
return true;
end
@@ -688,13 +777,11 @@ function room_mt:_route_stanza(stanza)
local from_occupant = self._occupants[stanza.attr.from];
if stanza.name == "presence" then
if to_occupant and from_occupant then
- if to_occupant.role == "moderator" or jid_bare(to_occupant.jid) == jid_bare(from_occupant.jid) then
- for i=#stanza.tags,1,-1 do
- local tag = stanza.tags[i];
- if tag.name == "x" and tag.attr.xmlns == "http://jabber.org/protocol/muc#user" then
- muc_child = tag;
- break;
- end
+ if self._data.whois == 'anyone' then
+ muc_child = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
+ else
+ if to_occupant.role == "moderator" or jid_bare(to_occupant.jid) == jid_bare(from_occupant.jid) then
+ muc_child = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
end
end
end
@@ -709,6 +796,9 @@ function room_mt:_route_stanza(stanza)
end
end
end
+ if self._data.whois == 'anyone' then
+ muc_child:tag('status', { code = '100' });
+ end
end
self:route_stanza(stanza);
if muc_child then
@@ -727,7 +817,9 @@ function _M.new_room(jid)
jid = jid;
_jid_nick = {};
_occupants = {};
- _data = {};
+ _data = {
+ whois = 'moderators',
+ };
_affiliations = {};
}, room_mt);
end
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 04:21:56 +0000