Merge 0.6->0.7
[prosody.git] / plugins / muc / muc.lib.lua
index 002498af371f69157b20471d465240884aaaf107..1cc001bb0fc8ead4aca56c7e9420f0a0edadbf33 100644 (file)
@@ -1,6 +1,6 @@
 -- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
 -- 
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
@@ -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;
 
@@ -183,12 +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();
@@ -206,6 +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);
@@ -219,8 +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
@@ -367,8 +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
@@ -402,9 +392,23 @@ function room_mt:send_form(origin, stanza)
                        :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("option", {label = 'Anyone'})
+                               :tag("value"):text('anyone'):up()
+                               :up()
+                       :up()
        );
 end
 
+local valid_whois = {
+    moderators = true,
+    anyone = true,
+}
+
 function room_mt:process_form(origin, stanza)
        local query = stanza.tags[1];
        local form;
@@ -420,19 +424,47 @@ function room_mt:process_form(origin, stanza)
        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));
+
+       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()
+
+           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
+
+           self:broadcast_message(msg, false)
+       end
 end
 
 function room_mt:destroy(newjid, reason, password)
@@ -460,9 +492,9 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha
        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);
@@ -482,6 +514,9 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha
                                        if not item.attr.jid and item.attr.nick then -- COMPAT Workaround for Miranda sending 'nick' instead of 'jid' when changing affiliation
                                                local occupant = self._occupants[self.jid.."/"..item.attr.nick];
                                                if occupant then item.attr.jid = occupant.jid; end
+                                       elseif not item.attr.nick and item.attr.jid then
+                                               local nick = self._jid_nick[item.attr.jid];
+                                               if nick then item.attr.nick = select(3, jid_split(nick)); end
                                        end
                                        local reason = item.tags[1] and item.tags[1].name == "reason" and #item.tags[1] == 1 and item.tags[1][1];
                                        if item.attr.affiliation and item.attr.jid and not item.attr.role then
@@ -513,9 +548,14 @@ 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);
@@ -585,8 +625,7 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha
        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];
@@ -704,21 +743,21 @@ 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
@@ -731,7 +770,7 @@ 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
 
@@ -741,13 +780,11 @@ 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
@@ -762,6 +799,9 @@ 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
@@ -780,7 +820,9 @@ function _M.new_room(jid)
                jid = jid;
                _jid_nick = {};
                _occupants = {};
-               _data = {};
+               _data = {
+                   whois = 'moderators',
+               };
                _affiliations = {};
        }, room_mt);
 end