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-rw-r--r--plugins/muc/muc.lib.lua137
1 files changed, 100 insertions, 37 deletions
diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua
index cf9b46f7..3a228aae 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
@@ -330,7 +340,9 @@ function room_mt:send_occupant_list(to, filter)
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
end
@@ -391,7 +403,11 @@ function room_mt:handle_kickable(origin, stanza) -- luacheck: ignore 212
end
self:publicise_occupant_status(new_occupant or occupant, x);
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
@@ -428,14 +444,23 @@ module:hook("muc-occupant-pre-change", function(event)
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 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"));
+ return true;
+ end
+end, 2);
- origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
+module:hook("muc-occupant-pre-change", function(event)
+ 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"));
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 +530,7 @@ 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"));
return true;
end
@@ -610,7 +635,7 @@ 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
@@ -876,7 +901,11 @@ function room_mt:clear(x)
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;});
+ module:fire_event("muc-occupant-left", {
+ room = self;
+ nick = occupant.nick;
+ occupant = occupant;
+ });
end
end
@@ -969,7 +998,7 @@ 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)
@@ -1046,6 +1075,9 @@ 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
@@ -1294,7 +1326,7 @@ 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
@@ -1321,7 +1353,11 @@ function room_mt:set_affiliation(actor, jid, affiliation, reason, data)
for occupant, old_role in pairs(occupants_updated) do
self:publicise_occupant_status(occupant, x, nil, actor, reason);
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
@@ -1373,6 +1409,42 @@ 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
@@ -1387,24 +1459,9 @@ 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
@@ -1412,11 +1469,17 @@ 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