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path: root/plugins/muc/muc.lib.lua
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-rw-r--r--plugins/muc/muc.lib.lua219
1 files changed, 157 insertions, 62 deletions
diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua
index bc370da5..4f265cf8 100644
--- a/plugins/muc/muc.lib.lua
+++ b/plugins/muc/muc.lib.lua
@@ -23,6 +23,7 @@ local resourceprep = require "util.encodings".stringprep.resourceprep;
local st = require "util.stanza";
local base64 = require "util.encodings".base64;
local md5 = require "util.hashes".md5;
+local new_id = require "util.id".medium;
local log = module._log;
@@ -39,7 +40,7 @@ function room_mt:__tostring()
end
function room_mt.save()
- -- overriden by mod_muc.lua
+ -- overridden by mod_muc.lua
end
function room_mt:get_occupant_jid(real_jid)
@@ -217,13 +218,13 @@ end
-- Broadcasts an occupant's presence to the whole room
-- Takes the x element that goes into the stanzas
-function room_mt:publicise_occupant_status(occupant, x, nick, actor, reason)
+function room_mt:publicise_occupant_status(occupant, x, nick, actor, reason, prev_role, force_unavailable)
local base_x = x.base or x;
-- Build real jid and (optionally) occupant jid template presences
local base_presence do
-- Try to use main jid's presence
local pr = occupant:get_presence();
- if pr and (occupant.role ~= nil or pr.attr.type == "unavailable") then
+ if pr and (occupant.role ~= nil or pr.attr.type == "unavailable") and not force_unavailable then
base_presence = st.clone(pr);
else -- user is leaving but didn't send a leave presence. make one for them
base_presence = st.presence {from = occupant.nick; type = "unavailable";};
@@ -279,7 +280,9 @@ function room_mt:publicise_occupant_status(occupant, x, nick, actor, reason)
self_p = st.clone(base_presence):add_child(self_x);
end
- -- General populance
+ local broadcast_roles = self:get_presence_broadcast();
+
+ -- General populace
for occupant_nick, n_occupant in self:each_occupant() do
if occupant_nick ~= occupant.nick then
local pr;
@@ -290,7 +293,13 @@ function room_mt:publicise_occupant_status(occupant, x, nick, actor, reason)
else
pr = get_anon_p();
end
- self:route_to_occupant(n_occupant, pr);
+ if broadcast_roles[occupant.role or "none"] or force_unavailable then
+ self:route_to_occupant(n_occupant, pr);
+ elseif prev_role and broadcast_roles[prev_role] then
+ pr.attr.type = 'unavailable';
+ self:route_to_occupant(n_occupant, pr);
+ end
+
end
end
@@ -314,6 +323,7 @@ function room_mt:send_occupant_list(to, filter)
local to_bare = jid_bare(to);
local is_anonymous = false;
local whois = self:get_whois();
+ local broadcast_roles = self:get_presence_broadcast();
if whois ~= "anyone" then
local affiliation = self:get_affiliation(to);
if affiliation ~= "admin" and affiliation ~= "owner" then
@@ -323,14 +333,37 @@ function room_mt:send_occupant_list(to, filter)
end
end
end
+ local broadcast_bare_jids = {}; -- Track which bare JIDs we have sent presence for
for occupant_jid, occupant in self:each_occupant() do
+ broadcast_bare_jids[occupant.bare_jid] = true;
if filter == nil or filter(occupant_jid, occupant) then
local x = st.stanza("x", {xmlns='http://jabber.org/protocol/muc#user'});
self:build_item_list(occupant, x, is_anonymous and to_bare ~= occupant.bare_jid); -- can always see your own jids
local pres = st.clone(occupant:get_presence());
pres.attr.to = to;
pres:add_child(x);
- self:route_stanza(pres);
+ if to_bare == occupant.bare_jid or broadcast_roles[occupant.role or "none"] then
+ self:route_stanza(pres);
+ end
+ end
+ end
+ if broadcast_roles.none then
+ -- Broadcast stanzas for affiliated users not currently in the MUC
+ for affiliated_jid, affiliation, affiliation_data in self:each_affiliation() do
+ local nick = affiliation_data and affiliation_data.reserved_nickname;
+ if (nick or not is_anonymous) and not broadcast_bare_jids[affiliated_jid]
+ and (filter == nil or filter(affiliated_jid, nil)) then
+ local from = nick and (self.jid.."/"..nick) or self.jid;
+ local pres = st.presence({ to = to, from = from, type = "unavailable" })
+ :tag("x", { xmlns = 'http://jabber.org/protocol/muc#user' })
+ :tag("item", {
+ affiliation = affiliation;
+ role = "none";
+ nick = nick;
+ jid = not is_anonymous and affiliated_jid or nil }):up()
+ :up();
+ self:route_stanza(pres);
+ end
end
end
end
@@ -373,13 +406,14 @@ function room_mt:handle_kickable(origin, stanza) -- luacheck: ignore 212
local real_jid = stanza.attr.from;
local occupant = self:get_occupant_by_real_jid(real_jid);
if occupant == nil then return nil; end
- local type, condition, text = stanza:get_error();
+ local _, condition, text = stanza:get_error();
local error_message = "Kicked: "..(condition and condition:gsub("%-", " ") or "presence error");
if text and self:get_whois() == "anyone" then
error_message = error_message..": "..text;
end
occupant:set_session(real_jid, st.presence({type="unavailable"})
:tag('status'):text(error_message));
+ local orig_role = occupant.role;
local is_last_session = occupant.jid == real_jid;
if is_last_session then
occupant.role = nil;
@@ -389,9 +423,13 @@ function room_mt:handle_kickable(origin, stanza) -- luacheck: ignore 212
if is_last_session then
x:tag("status", {code = "333"});
end
- self:publicise_occupant_status(new_occupant or occupant, x);
+ self:publicise_occupant_status(new_occupant or occupant, x, nil, nil, nil, orig_role);
if is_last_session then
- module:fire_event("muc-occupant-left", {room = self; nick = occupant.nick; occupant = occupant;});
+ module:fire_event("muc-occupant-left", {
+ room = self;
+ nick = occupant.nick;
+ occupant = occupant;
+ });
end
return true;
end
@@ -406,7 +444,7 @@ module:hook("muc-occupant-pre-join", function(event)
local room, stanza = event.room, event.stanza;
local affiliation = room:get_affiliation(stanza.attr.from);
if affiliation == "outcast" then
- local reply = st.error_reply(stanza, "auth", "forbidden"):up();
+ local reply = st.error_reply(stanza, "auth", "forbidden", nil, room.jid):up();
reply.tags[1].attr.code = "403";
event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
return true;
@@ -414,28 +452,41 @@ module:hook("muc-occupant-pre-join", function(event)
end, -10);
module:hook("muc-occupant-pre-join", function(event)
+ local room = event.room;
local nick = jid_resource(event.occupant.nick);
if not nick:find("%S") then
- event.origin.send(st.error_reply(event.stanza, "modify", "not-allowed", "Invisible Nicknames are forbidden"));
+ event.origin.send(st.error_reply(event.stanza, "modify", "not-allowed", "Invisible Nicknames are forbidden", room.jid));
return true;
end
end, 1);
module:hook("muc-occupant-pre-change", function(event)
+ local room = event.room;
if not jid_resource(event.dest_occupant.nick):find("%S") then
- event.origin.send(st.error_reply(event.stanza, "modify", "not-allowed", "Invisible Nicknames are forbidden"));
+ event.origin.send(st.error_reply(event.stanza, "modify", "not-allowed", "Invisible Nicknames are forbidden", room.jid));
return true;
end
end, 1);
-function room_mt:handle_first_presence(origin, stanza)
- if not stanza:get_child("x", "http://jabber.org/protocol/muc") then
- module:log("debug", "Room creation without <x>, possibly desynced");
+module:hook("muc-occupant-pre-join", function(event)
+ local room = event.room;
+ local nick = jid_resource(event.occupant.nick);
+ if not resourceprep(nick, true) then -- strict
+ event.origin.send(st.error_reply(event.stanza, "modify", "jid-malformed", "Nickname must pass strict validation", room.jid));
+ return true;
+ end
+end, 2);
- origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
+module:hook("muc-occupant-pre-change", function(event)
+ local room = event.room;
+ local nick = jid_resource(event.dest_occupant.nick);
+ if not resourceprep(nick, true) then -- strict
+ event.origin.send(st.error_reply(event.stanza, "modify", "jid-malformed", "Nickname must pass strict validation", room.jid));
return true;
end
+end, 2);
+function room_mt:handle_first_presence(origin, stanza)
local real_jid = stanza.attr.from;
local dest_jid = stanza.attr.to;
local bare_jid = jid_bare(real_jid);
@@ -505,7 +556,7 @@ function room_mt:handle_normal_presence(origin, stanza)
if orig_occupant == nil and not muc_x and stanza.attr.type == nil then
module:log("debug", "Attempted join without <x>, possibly desynced");
origin.send(st.error_reply(stanza, "cancel", "item-not-found",
- "You must join the room before sending presence updates"));
+ "You are not currently connected to this chat", self.jid));
return true;
end
@@ -567,7 +618,7 @@ function room_mt:handle_normal_presence(origin, stanza)
and bare_jid ~= jid_bare(dest_occupant.bare_jid) then
-- new nick or has different bare real jid
log("debug", "%s couldn't join due to nick conflict: %s", real_jid, dest_occupant.nick);
- local reply = st.error_reply(stanza, "cancel", "conflict"):up();
+ local reply = st.error_reply(stanza, "cancel", "conflict", nil, self.jid):up();
reply.tags[1].attr.code = "409";
origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
return true;
@@ -576,6 +627,7 @@ function room_mt:handle_normal_presence(origin, stanza)
-- Send presence stanza about original occupant
if orig_occupant ~= nil and orig_occupant ~= dest_occupant then
local orig_x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user";});
+ local orig_role = orig_occupant.role;
local dest_nick;
if dest_occupant == nil then -- Session is leaving
log("debug", "session %s is leaving occupant %s", real_jid, orig_occupant.nick);
@@ -613,12 +665,12 @@ function room_mt:handle_normal_presence(origin, stanza)
x:tag("status", {code = "303";}):up();
x:tag("status", {code = "110";}):up();
self:route_stanza(generated_unavail:add_child(x));
- dest_nick = nil; -- set dest_nick to nil; so general populance doesn't see it for whole orig_occupant
+ dest_nick = nil; -- set dest_nick to nil; so general populace doesn't see it for whole orig_occupant
end
end
self:save_occupant(orig_occupant);
- self:publicise_occupant_status(orig_occupant, orig_x, dest_nick);
+ self:publicise_occupant_status(orig_occupant, orig_x, dest_nick, nil, nil, orig_role);
if is_last_orig_session then
module:fire_event("muc-occupant-left", {
@@ -639,7 +691,7 @@ function room_mt:handle_normal_presence(origin, stanza)
-- Send occupant list to newly joined or desynced user
self:send_occupant_list(real_jid, function(nick, occupant) -- luacheck: ignore 212
-- Don't include self
- return occupant:get_presence(real_jid) == nil;
+ return (not occupant) or occupant:get_presence(real_jid) == nil;
end)
end
local dest_x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user";});
@@ -650,7 +702,7 @@ function room_mt:handle_normal_presence(origin, stanza)
if nick_changed then
self_x:tag("status", {code="210"}):up();
end
- self:publicise_occupant_status(dest_occupant, {base=dest_x,self=self_x});
+ self:publicise_occupant_status(dest_occupant, {base=dest_x,self=self_x}, nil, nil, nil, orig_occupant and orig_occupant.role or nil);
if orig_occupant ~= nil and orig_occupant ~= dest_occupant and not is_last_orig_session then
-- If user is swapping and wasn't last original session
@@ -696,7 +748,7 @@ function room_mt:handle_presence_to_occupant(origin, stanza)
return self:handle_normal_presence(origin, stanza);
elseif type ~= 'result' then -- bad type
if type ~= 'visible' and type ~= 'invisible' then -- COMPAT ejabberd can broadcast or forward XEP-0018 presences
- origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error?
+ origin.send(st.error_reply(stanza, "modify", "bad-request", nil, self.jid)); -- FIXME correct error?
end
end
return true;
@@ -731,11 +783,11 @@ function room_mt:handle_iq_to_occupant(origin, stanza)
else -- Type is "get" or "set"
local current_nick = self:get_occupant_jid(from);
if not current_nick then
- origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not currently connected to this chat"));
+ origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not currently connected to this chat", self.jid));
return true;
end
if not occupant then -- recipient not in room
- origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room"));
+ origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room", self.jid));
return true;
end
-- XEP-0410 MUC Self-Ping #1220
@@ -764,12 +816,12 @@ function room_mt:handle_message_to_occupant(origin, stanza)
local type = stanza.attr.type;
if not current_nick then -- not in room
if type ~= "error" then
- origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not currently connected to this chat"));
+ origin.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not currently connected to this chat", self.jid));
end
return true;
end
if type == "groupchat" then -- groupchat messages not allowed in PM
- origin.send(st.error_reply(stanza, "modify", "bad-request"));
+ origin.send(st.error_reply(stanza, "modify", "bad-request", nil, self.jid));
return true;
elseif type == "error" and is_kickable_error(stanza) then
log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid);
@@ -778,14 +830,16 @@ function room_mt:handle_message_to_occupant(origin, stanza)
local o_data = self:get_occupant_by_nick(to);
if not o_data then
- origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room"));
+ origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room", self.jid));
return true;
end
log("debug", "%s sent private message stanza to %s (%s)", from, to, o_data.jid);
stanza = muc_util.filter_muc_x(st.clone(stanza));
stanza:tag("x", { xmlns = "http://jabber.org/protocol/muc#user" }):up();
stanza.attr.from = current_nick;
- self:route_to_occupant(o_data, stanza)
+ if module:fire_event("muc-private-message", { room = self, origin = origin, stanza = stanza }) ~= false then
+ self:route_to_occupant(o_data, stanza)
+ end
-- TODO: Remove x tag?
stanza.attr.from = from;
return true;
@@ -815,10 +869,12 @@ function room_mt:process_form(origin, stanza)
if form.attr.type == "cancel" then
origin.send(st.reply(stanza));
elseif form.attr.type == "submit" then
+ -- luacheck: ignore 231/errors
local fields, errors, present;
if form.tags[1] == nil then -- Instant room
fields, present = {}, {};
else
+ -- FIXME handle form errors
fields, errors, present = self:get_form_layout(stanza.attr.from):data(form);
if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then
origin.send(st.error_reply(stanza, "cancel", "bad-request", "Form is not of type room configuration"));
@@ -873,13 +929,18 @@ function room_mt:clear(x)
x = x or st.stanza("x", {xmlns='http://jabber.org/protocol/muc#user'});
local occupants_updated = {};
for nick, occupant in self:each_occupant() do -- luacheck: ignore 213
+ local prev_role = occupant.role;
occupant.role = nil;
self:save_occupant(occupant);
- occupants_updated[occupant] = true;
+ occupants_updated[occupant] = prev_role;
end
- for occupant in pairs(occupants_updated) do
- self:publicise_occupant_status(occupant, x);
- module:fire_event("muc-occupant-left", { room = self; nick = occupant.nick; occupant = occupant;});
+ for occupant, prev_role in pairs(occupants_updated) do
+ self:publicise_occupant_status(occupant, x, nil, nil, nil, prev_role);
+ module:fire_event("muc-occupant-left", {
+ room = self;
+ nick = occupant.nick;
+ occupant = occupant;
+ });
end
end
@@ -972,7 +1033,7 @@ function room_mt:handle_admin_query_get_command(origin, stanza)
local _aff_rank = valid_affiliations[_aff or "none"];
local _rol = item.attr.role;
if _aff and _aff_rank and not _rol then
- -- You need to be at least an admin, and be requesting info about your affifiliation or lower
+ -- You need to be at least an admin, and be requesting info about your affiliation or lower
-- e.g. an admin can't ask for a list of owners
local affiliation_rank = valid_affiliations[affiliation or "none"];
if (affiliation_rank >= valid_affiliations.admin and affiliation_rank >= _aff_rank)
@@ -1049,6 +1110,9 @@ end
function room_mt:handle_groupchat_to_room(origin, stanza)
local from = stanza.attr.from;
local occupant = self:get_occupant_by_real_jid(from);
+ if not stanza.attr.id then
+ stanza.attr.id = new_id()
+ end
if module:fire_event("muc-occupant-groupchat", {
room = self; origin = origin; stanza = stanza; from = from; occupant = occupant;
}) then return true; end
@@ -1218,7 +1282,7 @@ function room_mt:route_stanza(stanza) -- luacheck: ignore 212
end
function room_mt:get_affiliation(jid)
- local node, host, resource = jid_split(jid);
+ local node, host = jid_split(jid);
-- Affiliations are granted, revoked, and maintained based on the user's bare JID.
local bare = node and node.."@"..host or host;
local result = self._affiliations[bare];
@@ -1241,7 +1305,7 @@ end
function room_mt:set_affiliation(actor, jid, affiliation, reason, data)
if not actor then return nil, "modify", "not-acceptable"; end;
- local node, host, resource = jid_split(jid);
+ local node, host = jid_split(jid);
if not host then return nil, "modify", "not-acceptable"; end
jid = jid_join(node, host); -- Bare
local is_host_only = node == nil;
@@ -1297,7 +1361,7 @@ function room_mt:set_affiliation(actor, jid, affiliation, reason, data)
-- Outcast can be by host.
is_host_only and affiliation == "outcast" and select(2, jid_split(occupant.bare_jid)) == host
) then
- -- need to publcize in all cases; as affiliation in <item/> has changed.
+ -- need to publicize in all cases; as affiliation in <item/> has changed.
occupants_updated[occupant] = occupant.role;
if occupant.role ~= role and (
is_downgrade or
@@ -1322,16 +1386,20 @@ function room_mt:set_affiliation(actor, jid, affiliation, reason, data)
if next(occupants_updated) ~= nil then
for occupant, old_role in pairs(occupants_updated) do
- self:publicise_occupant_status(occupant, x, nil, actor, reason);
+ self:publicise_occupant_status(occupant, x, nil, actor, reason, old_role);
if occupant.role == nil then
- module:fire_event("muc-occupant-left", {room = self; nick = occupant.nick; occupant = occupant;});
+ module:fire_event("muc-occupant-left", {
+ room = self;
+ nick = occupant.nick;
+ occupant = occupant;
+ });
elseif is_semi_anonymous and
(old_role == "moderator" and occupant.role ~= "moderator") or
(old_role ~= "moderator" and occupant.role == "moderator") then -- Has gained or lost moderator status
-- Send everyone else's presences (as jid visibility has changed)
for real_jid in occupant:each_session() do
self:send_occupant_list(real_jid, function(occupant_jid, occupant) --luacheck: ignore 212 433
- return occupant.bare_jid ~= jid;
+ return (not occupant) or occupant.bare_jid ~= jid;
end);
end
end
@@ -1376,6 +1444,42 @@ function room_mt:get_role(nick)
return occupant and occupant.role or nil;
end
+function room_mt:may_set_role(actor, occupant, role)
+ local event = {
+ room = self,
+ actor = actor,
+ occupant = occupant,
+ role = role,
+ };
+
+ module:fire_event("muc-pre-set-role", event);
+ if event.allowed ~= nil then
+ return event.allowed, event.error, event.condition;
+ end
+
+ -- Can't do anything to other owners or admins
+ local occupant_affiliation = self:get_affiliation(occupant.bare_jid);
+ if occupant_affiliation == "owner" or occupant_affiliation == "admin" then
+ return nil, "cancel", "not-allowed";
+ end
+
+ -- If you are trying to give or take moderator role you need to be an owner or admin
+ if occupant.role == "moderator" or role == "moderator" then
+ local actor_affiliation = self:get_affiliation(actor);
+ if actor_affiliation ~= "owner" and actor_affiliation ~= "admin" then
+ return nil, "cancel", "not-allowed";
+ end
+ end
+
+ -- Need to be in the room and a moderator
+ local actor_occupant = self:get_occupant_by_real_jid(actor);
+ if not actor_occupant or actor_occupant.role ~= "moderator" then
+ return nil, "cancel", "not-allowed";
+ end
+
+ return true;
+end
+
function room_mt:set_role(actor, occupant_jid, role, reason)
if not actor then return nil, "modify", "not-acceptable"; end
@@ -1390,24 +1494,9 @@ function room_mt:set_role(actor, occupant_jid, role, reason)
if actor == true then
actor = nil -- So we can pass it safely to 'publicise_occupant_status' below
else
- -- Can't do anything to other owners or admins
- local occupant_affiliation = self:get_affiliation(occupant.bare_jid);
- if occupant_affiliation == "owner" or occupant_affiliation == "admin" then
- return nil, "cancel", "not-allowed";
- end
-
- -- If you are trying to give or take moderator role you need to be an owner or admin
- if occupant.role == "moderator" or role == "moderator" then
- local actor_affiliation = self:get_affiliation(actor);
- if actor_affiliation ~= "owner" and actor_affiliation ~= "admin" then
- return nil, "cancel", "not-allowed";
- end
- end
-
- -- Need to be in the room and a moderator
- local actor_occupant = self:get_occupant_by_real_jid(actor);
- if not actor_occupant or actor_occupant.role ~= "moderator" then
- return nil, "cancel", "not-allowed";
+ local allowed, err, condition = self:may_set_role(actor, occupant, role)
+ if not allowed then
+ return allowed, err, condition;
end
end
@@ -1415,11 +1504,17 @@ function room_mt:set_role(actor, occupant_jid, role, reason)
if not role then
x:tag("status", {code = "307"}):up();
end
+
+ local prev_role = occupant.role;
occupant.role = role;
self:save_occupant(occupant);
- self:publicise_occupant_status(occupant, x, nil, actor, reason);
+ self:publicise_occupant_status(occupant, x, nil, actor, reason, prev_role);
if role == nil then
- module:fire_event("muc-occupant-left", {room = self; nick = occupant.nick; occupant = occupant;});
+ module:fire_event("muc-occupant-left", {
+ room = self;
+ nick = occupant.nick;
+ occupant = occupant;
+ });
end
return true;
end
@@ -1441,7 +1536,7 @@ function _M.new_room(jid, config)
}, room_mt);
end
-local new_format = module:get_option_boolean("new_muc_storage_format", false);
+local new_format = module:get_option_boolean("new_muc_storage_format", true);
function room_mt:freeze(live)
local frozen, state;
@@ -1505,7 +1600,7 @@ function _M.restore_room(frozen, state)
else
-- New storage format
for jid, data in pairs(frozen) do
- local node, host, resource = jid_split(jid);
+ local _, host, resource = jid_split(jid);
if host:sub(1,1) ~= "_" and not resource and type(data) == "string" then
-- bare jid: affiliation
room._affiliations[jid] = data;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 17:17:17 +0000