diff options
Diffstat (limited to 'plugins/muc')
-rw-r--r-- | plugins/muc/hats.lib.lua | 24 | ||||
-rw-r--r-- | plugins/muc/history.lib.lua | 31 | ||||
-rw-r--r-- | plugins/muc/language.lib.lua | 1 | ||||
-rw-r--r-- | plugins/muc/lock.lib.lua | 2 | ||||
-rw-r--r-- | plugins/muc/members_only.lib.lua | 4 | ||||
-rw-r--r-- | plugins/muc/mod_muc.lua | 91 | ||||
-rw-r--r-- | plugins/muc/muc.lib.lua | 222 | ||||
-rw-r--r-- | plugins/muc/name.lib.lua | 4 | ||||
-rw-r--r-- | plugins/muc/occupant_id.lib.lua | 70 | ||||
-rw-r--r-- | plugins/muc/password.lib.lua | 2 | ||||
-rw-r--r-- | plugins/muc/presence_broadcast.lib.lua | 83 | ||||
-rw-r--r-- | plugins/muc/register.lib.lua | 27 | ||||
-rw-r--r-- | plugins/muc/subject.lib.lua | 6 | ||||
-rw-r--r-- | plugins/muc/util.lib.lua | 18 |
14 files changed, 485 insertions, 100 deletions
diff --git a/plugins/muc/hats.lib.lua b/plugins/muc/hats.lib.lua new file mode 100644 index 00000000..77051af2 --- /dev/null +++ b/plugins/muc/hats.lib.lua @@ -0,0 +1,24 @@ +local st = require "util.stanza"; +local muc_util = module:require "muc/util"; + +local xmlns_hats = "xmpp:prosody.im/protocol/hats:1"; + +-- Strip any hats claimed by the client (to prevent spoofing) +muc_util.add_filtered_namespace(xmlns_hats); + +module:hook("muc-build-occupant-presence", function (event) + local aff_data = event.room:get_affiliation_data(event.occupant.bare_jid); + local hats = aff_data and aff_data.hats; + if not hats then return; end + local hats_el; + for hat_id, hat_data in pairs(hats) do + if hat_data.active then + if not hats_el then + hats_el = st.stanza("hats", { xmlns = xmlns_hats }); + end + hats_el:tag("hat", { uri = hat_id, title = hat_data.title }):up(); + end + end + if not hats_el then return; end + event.stanza:add_direct_child(hats_el); +end); diff --git a/plugins/muc/history.lib.lua b/plugins/muc/history.lib.lua index 0d69c97d..fdf65365 100644 --- a/plugins/muc/history.lib.lua +++ b/plugins/muc/history.lib.lua @@ -48,16 +48,18 @@ module:hook("muc-config-form", function(event) table.insert(event.form, { name = "muc#roomconfig_historylength"; type = "text-single"; + datatype = "xs:integer"; label = "Maximum number of history messages returned by room"; desc = "Specify the maximum number of previous messages that should be sent to users when they join the room"; - value = tostring(get_historylength(event.room)); + value = get_historylength(event.room); }); table.insert(event.form, { name = 'muc#roomconfig_defaulthistorymessages', type = 'text-single', + datatype = "xs:integer"; label = 'Default number of history messages returned by room', desc = "Specify the number of previous messages sent to new users when they join the room"; - value = tostring(get_defaulthistorymessages(event.room)) + value = get_defaulthistorymessages(event.room); }); end, 70-5); @@ -180,9 +182,6 @@ module:hook("muc-add-history", function(event) stanza:tag("delay", { -- XEP-0203 xmlns = "urn:xmpp:delay", from = room.jid, stamp = stamp }):up(); - stanza:tag("x", { -- XEP-0091 (deprecated) - xmlns = "jabber:x:delay", from = room.jid, stamp = datetime.legacy() - }):up(); local entry = { stanza = stanza, timestamp = ts }; table.insert(history, entry); while #history > get_historylength(room) do table.remove(history, 1) end @@ -198,7 +197,27 @@ module:hook("muc-broadcast-message", function(event) end); module:hook("muc-message-is-historic", function (event) - return event.stanza:get_child("body"); + local stanza = event.stanza; + if stanza:get_child("no-store", "urn:xmpp:hints") + or stanza:get_child("no-permanent-store", "urn:xmpp:hints") then + -- XXX Experimental XEP + return false, "hint"; + end + if stanza:get_child("store", "urn:xmpp:hints") then + return true, "hint"; + end + if stanza:get_child("body") then + return true; + end + if stanza:get_child("encryption", "urn:xmpp:eme:0") then + -- Since we can't know what an encrypted message contains, we assume it's important + -- XXX Experimental XEP + return true, "encrypted"; + end + if stanza:get_child(nil, "urn:xmpp:chat-markers:0") then + -- XXX Experimental XEP + return true, "marker"; + end end, -1); return { diff --git a/plugins/muc/language.lib.lua b/plugins/muc/language.lib.lua index ee80806b..2ee2ba0f 100644 --- a/plugins/muc/language.lib.lua +++ b/plugins/muc/language.lib.lua @@ -32,6 +32,7 @@ local function add_form_option(event) label = "Language tag for room (e.g. 'en', 'de', 'fr' etc.)"; type = "text-single"; desc = "Indicate the primary language spoken in this room"; + datatype = "xs:language"; value = get_language(event.room) or ""; }); end diff --git a/plugins/muc/lock.lib.lua b/plugins/muc/lock.lib.lua index 062ab615..32f2647b 100644 --- a/plugins/muc/lock.lib.lua +++ b/plugins/muc/lock.lib.lua @@ -43,7 +43,7 @@ end module:hook("muc-occupant-pre-join", function(event) if not event.is_new_room and is_locked(event.room) then -- Deny entry module:log("debug", "Room is locked, denying entry"); - event.origin.send(st.error_reply(event.stanza, "cancel", "item-not-found")); + event.origin.send(st.error_reply(event.stanza, "cancel", "item-not-found", nil, module.host)); return true; end end, -30); diff --git a/plugins/muc/members_only.lib.lua b/plugins/muc/members_only.lib.lua index 4194c5c7..79077153 100644 --- a/plugins/muc/members_only.lib.lua +++ b/plugins/muc/members_only.lib.lua @@ -113,7 +113,7 @@ module:hook("muc-occupant-pre-join", function(event) local stanza = event.stanza; local affiliation = room:get_affiliation(stanza.attr.from); if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then - local reply = st.error_reply(stanza, "auth", "registration-required"):up(); + local reply = st.error_reply(stanza, "auth", "registration-required", nil, room.jid):up(); reply.tags[1].attr.code = "407"; event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); return true; @@ -131,7 +131,7 @@ module:hook("muc-pre-invite", function(event) local inviter_affiliation = room:get_affiliation(stanza.attr.from) or "none"; local required_affiliation = room._data.allow_member_invites and "member" or "admin"; if valid_affiliations[inviter_affiliation] < valid_affiliations[required_affiliation] then - event.origin.send(st.error_reply(stanza, "auth", "forbidden")); + event.origin.send(st.error_reply(stanza, "auth", "forbidden", nil, room.jid)); return true; end end diff --git a/plugins/muc/mod_muc.lua b/plugins/muc/mod_muc.lua index b9c7c859..bc44815e 100644 --- a/plugins/muc/mod_muc.lua +++ b/plugins/muc/mod_muc.lua @@ -86,7 +86,16 @@ room_mt.get_registered_nick = register.get_registered_nick; room_mt.get_registered_jid = register.get_registered_jid; room_mt.handle_register_iq = register.handle_register_iq; +local presence_broadcast = module:require "muc/presence_broadcast"; +room_mt.get_presence_broadcast = presence_broadcast.get; +room_mt.set_presence_broadcast = presence_broadcast.set; +room_mt.get_valid_broadcast_roles = presence_broadcast.get_valid_broadcast_roles; + +local occupant_id = module:require "muc/occupant_id"; +room_mt.get_occupant_id = occupant_id.get_occupant_id; + local jid_split = require "util.jid".split; +local jid_prep = require "util.jid".prep; local jid_bare = require "util.jid".bare; local st = require "util.stanza"; local cache = require "util.cache"; @@ -98,6 +107,7 @@ module:depends("disco"); module:add_identity("conference", "text", module:get_option_string("name", "Prosody Chatrooms")); module:add_feature("http://jabber.org/protocol/muc"); module:depends "muc_unique" +module:require "muc/hats"; module:require "muc/lock"; local function is_admin(jid) @@ -129,7 +139,12 @@ local room_items_cache = {}; local function room_save(room, forced, savestate) local node = jid_split(room.jid); local is_persistent = persistent.get(room); - room_items_cache[room.jid] = room:get_public() and room:get_name() or nil; + if room:get_public() then + room_items_cache[room.jid] = room:get_name() or ""; + else + room_items_cache[room.jid] = nil; + end + if is_persistent or savestate then persistent_rooms:set(nil, room.jid, true); local data, state = room:freeze(savestate); @@ -155,7 +170,11 @@ local rooms = cache.new(max_rooms or max_live_rooms, function (jid, room) end module:log("debug", "Evicting room %s", jid); room_eviction(); - room_items_cache[room.jid] = room:get_public() and room:get_name() or nil; + if room:get_public() then + room_items_cache[room.jid] = room:get_name() or ""; + else + room_items_cache[room.jid] = nil; + end local ok, err = room_save(room, nil, true); -- Force to disk if not ok then module:log("error", "Failed to swap inactive room %s to disk: %s", jid, err); @@ -185,7 +204,7 @@ end local function handle_broken_room(room, origin, stanza) module:log("debug", "Returning error from broken room %s", room.jid); - origin.send(st.error_reply(stanza, "wait", "internal-server-error")); + origin.send(st.error_reply(stanza, "wait", "internal-server-error", nil, room.jid)); return true; end @@ -264,9 +283,13 @@ local function set_room_defaults(room, lang) room:set_changesubject(module:get_option_boolean("muc_room_default_change_subject", room:get_changesubject())); room:set_historylength(module:get_option_number("muc_room_default_history_length", room:get_historylength())); room:set_language(lang or module:get_option_string("muc_room_default_language")); + room:set_presence_broadcast(module:get_option("muc_room_default_presence_broadcast", room:get_presence_broadcast())); end function create_room(room_jid, config) + if jid_bare(room_jid) ~= room_jid or not jid_prep(room_jid, true) then + return nil, "invalid-jid"; + end local exists = get_room_from_jid(room_jid); if exists then return nil, "room-exists"; @@ -325,13 +348,14 @@ module:hook("host-disco-items", function(event) module:log("debug", "host-disco-items called"); if next(room_items_cache) ~= nil then for jid, room_name in pairs(room_items_cache) do + if room_name == "" then room_name = nil; end reply:tag("item", { jid = jid, name = room_name }):up(); end else for room in all_rooms() do if not room:get_hidden() then local jid, room_name = room.jid, room:get_name(); - room_items_cache[jid] = room_name; + room_items_cache[jid] = room_name or ""; reply:tag("item", { jid = jid, name = room_name }):up(); end end @@ -345,7 +369,7 @@ end, 1); module:hook("muc-room-pre-create", function(event) local origin, stanza = event.origin, event.stanza; if not track_room(event.room) then - origin.send(st.error_reply(stanza, "wait", "resource-constraint")); + origin.send(st.error_reply(stanza, "wait", "resource-constraint", nil, module.host)); return true; end end, -1000); @@ -396,7 +420,7 @@ do restrict_room_creation == "local" and select(2, jid_split(user_jid)) == host_suffix ) then - origin.send(st.error_reply(stanza, "cancel", "not-allowed", "Room creation is restricted")); + origin.send(st.error_reply(stanza, "cancel", "not-allowed", "Room creation is restricted", module.host)); return true; end end); @@ -441,7 +465,7 @@ for event_name, method in pairs { room = nil; else if stanza.attr.type ~= "error" then - local reply = st.error_reply(stanza, "cancel", "gone", room._data.reason) + local reply = st.error_reply(stanza, "cancel", "gone", room._data.reason, module.host) if room._data.newjid then local uri = "xmpp:"..room._data.newjid.."?join"; reply:get_child("error"):child_with_name("gone"):text(uri); @@ -454,17 +478,21 @@ for event_name, method in pairs { if room == nil then -- Watch presence to create rooms - if stanza.attr.type == nil and stanza.name == "presence" then + if not jid_prep(room_jid, true) then + origin.send(st.error_reply(stanza, "modify", "jid-malformed", nil, module.host)); + return true; + end + if stanza.attr.type == nil and stanza.name == "presence" and stanza:get_child("x", "http://jabber.org/protocol/muc") then room = muclib.new_room(room_jid); return room:handle_first_presence(origin, stanza); elseif stanza.attr.type ~= "error" then - origin.send(st.error_reply(stanza, "cancel", "item-not-found")); + origin.send(st.error_reply(stanza, "cancel", "item-not-found", nil, module.host)); return true; else return; end elseif room == false then -- Error loading room - origin.send(st.error_reply(stanza, "wait", "resource-constraint")); + origin.send(st.error_reply(stanza, "wait", "resource-constraint", nil, module.host)); return true; end return room[method](room, origin, stanza); @@ -483,6 +511,7 @@ do -- Ad-hoc commands local t_concat = table.concat; local adhoc_new = module:require "adhoc".new; local adhoc_initial = require "util.adhoc".new_initial_data_form; + local adhoc_simple = require "util.adhoc".new_simple_form; local array = require "util.array"; local dataforms_new = require "util.dataforms".new; @@ -513,4 +542,46 @@ do -- Ad-hoc commands "http://prosody.im/protocol/muc#destroy", destroy_rooms_handler, "admin"); module:provides("adhoc", destroy_rooms_desc); + + + local set_affiliation_layout = dataforms_new { + -- FIXME wordsmith title, instructions, labels etc + title = "Set affiliation"; + + { name = "FORM_TYPE", type = "hidden", value = "http://prosody.im/protocol/muc#set-affiliation" }; + { name = "room", type = "jid-single", required = true, label = "Room"}; + { name = "jid", type = "jid-single", required = true, label = "JID"}; + { name = "affiliation", type = "list-single", required = true, label = "Affiliation", + options = { "owner"; "admin"; "member"; "none"; "outcast"; }, + }; + { name = "reason", type = "text-single", "Reason", } + }; + + local set_affiliation_handler = adhoc_simple(set_affiliation_layout, function (fields, errors) + if errors then + local errmsg = {}; + for field, err in pairs(errors) do + errmsg[#errmsg + 1] = field .. ": " .. err; + end + return { status = "completed", error = { message = t_concat(errmsg, "\n") } }; + end + + local room = get_room_from_jid(fields.room); + if not room then + return { status = "canceled", error = { message = "No such room"; }; }; + end + local ok, err, condition = room:set_affiliation(true, fields.jid, fields.affiliation, fields.reason); + + if not ok then + return { status = "canceled", error = { message = "Affiliation change failed: "..err..":"..condition; }; }; + end + + return { status = "completed", info = "Affiliation updated", + }; + end); + + local set_affiliation_desc = adhoc_new("Set affiliation in room", + "http://prosody.im/protocol/muc#set-affiliation", set_affiliation_handler, "admin"); + + module:provides("adhoc", set_affiliation_desc); end diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua index 3139c131..6b330131 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";}; @@ -236,6 +237,7 @@ function room_mt:publicise_occupant_status(occupant, x, nick, actor, reason) occupant = occupant; nick = nick; actor = actor; reason = reason; } + module:fire_event("muc-build-occupant-presence", event); module:fire_event("muc-broadcast-presence", event); -- Allow muc-broadcast-presence listeners to change things @@ -279,7 +281,9 @@ 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 +294,13 @@ 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 @@ -303,6 +313,7 @@ function room_mt:publicise_occupant_status(occupant, x, nick, actor, reason) -- use their own presences as templates for full_jid, pr in occupant:each_session() do pr = st.clone(pr); + module:fire_event("muc-build-occupant-presence", { room = self, occupant = occupant, stanza = pr }); pr.attr.to = full_jid; pr:add_child(self_x); self:route_stanza(pr); @@ -314,6 +325,7 @@ 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 +335,38 @@ 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); + module:fire_event("muc-build-occupant-presence", { room = self, occupant = occupant, 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 +409,14 @@ 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 +426,13 @@ 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 +447,7 @@ 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 +455,41 @@ 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 +559,7 @@ 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 +621,7 @@ 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 +630,7 @@ 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 +668,12 @@ 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 +694,7 @@ 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 +705,7 @@ 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 +751,7 @@ 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 +786,11 @@ 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 +819,12 @@ 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 +833,16 @@ 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 +872,12 @@ 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 +932,18 @@ 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 +1036,7 @@ 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 +1113,9 @@ 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 +1285,7 @@ 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 +1308,7 @@ 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 +1364,7 @@ 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 +1389,20 @@ 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 +1447,42 @@ 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 +1497,9 @@ 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 +1507,17 @@ 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 +1539,7 @@ 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 +1603,7 @@ 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; diff --git a/plugins/muc/name.lib.lua b/plugins/muc/name.lib.lua index 37fe1259..5d73e74d 100644 --- a/plugins/muc/name.lib.lua +++ b/plugins/muc/name.lib.lua @@ -7,10 +7,8 @@ -- COPYING file in the source package for more information. -- -local jid_split = require "util.jid".split; - local function get_name(room) - return room._data.name or jid_split(room.jid); + return room._data.name; end local function set_name(room, name) diff --git a/plugins/muc/occupant_id.lib.lua b/plugins/muc/occupant_id.lib.lua new file mode 100644 index 00000000..1a44462c --- /dev/null +++ b/plugins/muc/occupant_id.lib.lua @@ -0,0 +1,70 @@ +-- Implementation of https://xmpp.org/extensions/inbox/occupant-id.html +-- XEP-0421: Anonymous unique occupant identifiers for MUCs + +-- (C) 2020 Maxime “pep” Buquet <pep@bouah.net> +-- (C) 2020 Matthew Wild <mwild1@gmail.com> + +local uuid = require "util.uuid"; +local hmac_sha256 = require "util.hashes".hmac_sha256; +local b64encode = require "util.encodings".base64.encode; + +local xmlns_occupant_id = "urn:xmpp:occupant-id:0"; + +local function get_occupant_id(room, occupant) + if occupant.stable_id then + return occupant.stable_id; + end + + local salt = room._data.occupant_id_salt; + if not salt then + salt = uuid.generate(); + room._data.occupant_id_salt = salt; + end + + occupant.stable_id = b64encode(hmac_sha256(occupant.bare_jid, salt)); + + return occupant.stable_id; +end + +local function update_occupant(event) + local stanza, room, occupant, dest_occupant = event.stanza, event.room, event.occupant, event.dest_occupant; + + -- "muc-occupant-pre-change" provides "dest_occupant" but not "occupant". + if dest_occupant ~= nil then + occupant = dest_occupant; + end + + -- strip any existing <occupant-id/> tags to avoid forgery + stanza:remove_children("occupant-id", xmlns_occupant_id); + + local unique_id = get_occupant_id(room, occupant); + stanza:tag("occupant-id", { xmlns = xmlns_occupant_id, id = unique_id }):up(); +end + +local function muc_private(event) + local stanza, room = event.stanza, event.room; + local occupant = room._occupants[stanza.attr.from]; + + update_occupant({ + stanza = stanza, + room = room, + occupant = occupant, + }); +end + +if module:get_option_boolean("muc_occupant_id", true) then + module:add_feature(xmlns_occupant_id); + module:hook("muc-disco#info", function (event) + event.reply:tag("feature", { var = xmlns_occupant_id }):up(); + end); + + module:hook("muc-broadcast-presence", update_occupant); + module:hook("muc-occupant-pre-join", update_occupant); + module:hook("muc-occupant-pre-change", update_occupant); + module:hook("muc-occupant-groupchat", update_occupant); + module:hook("muc-private-message", muc_private); +end + +return { + get_occupant_id = get_occupant_id; +}; diff --git a/plugins/muc/password.lib.lua b/plugins/muc/password.lib.lua index 1f4b2add..6695c0cf 100644 --- a/plugins/muc/password.lib.lua +++ b/plugins/muc/password.lib.lua @@ -50,7 +50,7 @@ module:hook("muc-occupant-pre-join", function(event) if get_password(room) ~= password then local from, to = stanza.attr.from, stanza.attr.to; module:log("debug", "%s couldn't join due to invalid password: %s", from, to); - local reply = st.error_reply(stanza, "auth", "not-authorized"):up(); + local reply = st.error_reply(stanza, "auth", "not-authorized", nil, room.jid):up(); reply.tags[1].attr.code = "401"; event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); return true; diff --git a/plugins/muc/presence_broadcast.lib.lua b/plugins/muc/presence_broadcast.lib.lua new file mode 100644 index 00000000..82a89fee --- /dev/null +++ b/plugins/muc/presence_broadcast.lib.lua @@ -0,0 +1,83 @@ +-- Prosody IM +-- Copyright (C) 2008-2010 Matthew Wild +-- Copyright (C) 2008-2010 Waqas Hussain +-- Copyright (C) 2014 Daurnimator +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- + +local st = require "util.stanza"; + +local valid_roles = { "none", "visitor", "participant", "moderator" }; +local default_broadcast = { + visitor = true; + participant = true; + moderator = true; +}; + +local function get_presence_broadcast(room) + return room._data.presence_broadcast or default_broadcast; +end + +local function set_presence_broadcast(room, broadcast_roles) + broadcast_roles = broadcast_roles or default_broadcast; + + local changed = false; + local old_broadcast_roles = get_presence_broadcast(room); + for _, role in ipairs(valid_roles) do + if old_broadcast_roles[role] ~= broadcast_roles[role] then + changed = true; + end + end + + if not changed then return false; end + + room._data.presence_broadcast = broadcast_roles; + + for _, occupant in room:each_occupant() do + local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user";}); + local role = occupant.role or "none"; + if broadcast_roles[role] and not old_broadcast_roles[role] then + -- Presence broadcast is now enabled, so announce existing user + room:publicise_occupant_status(occupant, x); + elseif old_broadcast_roles[role] and not broadcast_roles[role] then + -- Presence broadcast is now disabled, so mark existing user as unavailable + room:publicise_occupant_status(occupant, x, nil, nil, nil, nil, true); + end + end + + return true; +end + +module:hook("muc-config-form", function(event) + local values = {}; + for role, value in pairs(get_presence_broadcast(event.room)) do + if value then + values[#values + 1] = role; + end + end + + table.insert(event.form, { + name = "muc#roomconfig_presencebroadcast"; + type = "list-multi"; + label = "Only show participants with roles:"; + value = values; + options = valid_roles; + }); +end, 70-7); + +module:hook("muc-config-submitted/muc#roomconfig_presencebroadcast", function(event) + local broadcast_roles = {}; + for _, role in ipairs(event.value) do + broadcast_roles[role] = true; + end + if set_presence_broadcast(event.room, broadcast_roles) then + event.status_codes["104"] = true; + end +end); + +return { + get = get_presence_broadcast; + set = set_presence_broadcast; +}; diff --git a/plugins/muc/register.lib.lua b/plugins/muc/register.lib.lua index 95ed1a84..d917b396 100644 --- a/plugins/muc/register.lib.lua +++ b/plugins/muc/register.lib.lua @@ -15,8 +15,7 @@ local function get_reserved_nicks(room) end module:log("debug", "Refreshing reserved nicks..."); local reserved_nicks = {}; - for jid in room:each_affiliation() do - local data = room._affiliation_data[jid]; + for jid, _, data in room:each_affiliation() do local nick = data and data.reserved_nickname; module:log("debug", "Refreshed for %s: %s", jid, nick); if nick then @@ -54,7 +53,7 @@ end); local registration_form = dataforms.new { { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/muc#register" }, - { name = "muc#register_roomnick", type = "text-single", label = "Nickname"}, + { name = "muc#register_roomnick", type = "text-single", required = true, label = "Nickname"}, }; local function enforce_nick_policy(event) @@ -67,7 +66,7 @@ local function enforce_nick_policy(event) local reserved_by = get_registered_jid(room, requested_nick); if reserved_by and reserved_by ~= jid_bare(stanza.attr.from) then module:log("debug", "%s attempted to use nick %s reserved by %s", stanza.attr.from, requested_nick, reserved_by); - local reply = st.error_reply(stanza, "cancel", "conflict"):up(); + local reply = st.error_reply(stanza, "cancel", "conflict", nil, room.jid):up(); origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); return true; end @@ -80,7 +79,7 @@ local function enforce_nick_policy(event) event.occupant.nick = jid_bare(event.occupant.nick) .. "/" .. nick; elseif event.dest_occupant.nick ~= jid_bare(event.dest_occupant.nick) .. "/" .. nick then module:log("debug", "Attempt by %s to join as %s, but their reserved nick is %s", stanza.attr.from, requested_nick, nick); - local reply = st.error_reply(stanza, "cancel", "not-acceptable"):up(); + local reply = st.error_reply(stanza, "cancel", "not-acceptable", nil, room.jid):up(); origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); return true; end @@ -104,7 +103,7 @@ local function handle_register_iq(room, origin, stanza) local user_jid = jid_bare(stanza.attr.from) local affiliation = room:get_affiliation(user_jid); if affiliation == "outcast" then - origin.send(st.error_reply(stanza, "auth", "forbidden")); + origin.send(st.error_reply(stanza, "auth", "forbidden", room.jid)); return true; elseif not (affiliation or allow_unaffiliated) then origin.send(st.error_reply(stanza, "auth", "registration-required")); @@ -135,13 +134,25 @@ local function handle_register_iq(room, origin, stanza) return true; end local form_tag = query:get_child("x", "jabber:x:data"); - local reg_data = form_tag and registration_form:data(form_tag); + if not form_tag then + origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing dataform")); + return true; + end + local form_type, err = dataforms.get_type(form_tag); + if not form_type then + origin.send(st.error_reply(stanza, "modify", "bad-request", "Error with form: "..err)); + return true; + elseif form_type ~= "http://jabber.org/protocol/muc#register" then + origin.send(st.error_reply(stanza, "modify", "bad-request", "Error in form")); + return true; + end + local reg_data = registration_form:data(form_tag); if not reg_data then origin.send(st.error_reply(stanza, "modify", "bad-request", "Error in form")); return true; end -- Is the nickname valid? - local desired_nick = resourceprep(reg_data["muc#register_roomnick"]); + local desired_nick = resourceprep(reg_data["muc#register_roomnick"], true); if not desired_nick then origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid Nickname")); return true; diff --git a/plugins/muc/subject.lib.lua b/plugins/muc/subject.lib.lua index 14256bbc..3230817c 100644 --- a/plugins/muc/subject.lib.lua +++ b/plugins/muc/subject.lib.lua @@ -94,6 +94,12 @@ module:hook("muc-occupant-groupchat", function(event) local stanza = event.stanza; local subject = stanza:get_child("subject"); if subject then + if stanza:get_child("body") or stanza:get_child("thread") then + -- Note: A message with a <subject/> and a <body/> or a <subject/> and + -- a <thread/> is a legitimate message, but it SHALL NOT be interpreted + -- as a subject change. + return; + end local room = event.room; local occupant = event.occupant; -- Role check for subject changes diff --git a/plugins/muc/util.lib.lua b/plugins/muc/util.lib.lua index 53a83fae..0877150f 100644 --- a/plugins/muc/util.lib.lua +++ b/plugins/muc/util.lib.lua @@ -41,18 +41,22 @@ function _M.is_kickable_error(stanza) return kickable_error_conditions[cond]; end -local muc_x_filters = { - ["http://jabber.org/protocol/muc"] = true; - ["http://jabber.org/protocol/muc#user"] = true; -} -local function muc_x_filter(tag) - if muc_x_filters[tag.attr.xmlns] then +local filtered_namespaces = module:shared("filtered-namespaces"); +filtered_namespaces["http://jabber.org/protocol/muc"] = true; +filtered_namespaces["http://jabber.org/protocol/muc#user"] = true; + +local function muc_ns_filter(tag) + if filtered_namespaces[tag.attr.xmlns] then return nil; end return tag; end function _M.filter_muc_x(stanza) - return stanza:maptags(muc_x_filter); + return stanza:maptags(muc_ns_filter); +end + +function _M.add_filtered_namespace(xmlns) + filtered_namespaces[xmlns] = true; end function _M.only_with_min_role(role) |