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comparison mod_compat_muc_admin/mod_compat_muc_admin.lua @ 627:a8ff69c9b498

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mod_compat_muc_admin: first commit.
author Marco Cirillo <maranda@lightwitch.org>
date Tue, 27 Mar 2012 15:49:31 +0000
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children c72be31941fa
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626:f19f723571d9 627:a8ff69c9b498
1 local st = require "util.stanza";
2 local jid_split = require "util.jid".split;
3 local jid_bare = require "util.jid".bare;
4 local jid_prep = require "util.jid".prep;
5 local log = require "util.logger".init("mod_muc");
6 local muc_host = module:get_host();
7
8 if not hosts[muc_host].modules.muc then -- Not a MUC host
9 module:log("error", "this module can only be used on muc hosts."); return false;
10 end
11
12 local xmlns_ma, xmlns_mo = "http://jabber.org/protocol/muc#admin", "http://jabber.org/protocol/muc#owner";
13
14 -- COMPAT: iq condensed function
15 hosts[muc_host].modules.muc.stanza_handler.muc_new_room.room_mt["compat_iq"] = function (self, origin, stanza, xmlns)
16 local actor = stanza.attr.from;
17 local affiliation = self:get_affiliation(actor);
18 local current_nick = self._jid_nick[actor];
19 local role = current_nick and self._occupants[current_nick].role or self:get_default_role(affiliation);
20 local item = stanza.tags[1].tags[1];
21 if item and item.name == "item" then
22 if stanza.attr.type == "set" then
23 local callback = function() origin.send(st.reply(stanza)); end
24 if item.attr.jid then -- Validate provided JID
25 item.attr.jid = jid_prep(item.attr.jid);
26 if not item.attr.jid then
27 origin.send(st.error_reply(stanza, "modify", "jid-malformed"));
28 return;
29 end
30 end
31 if not item.attr.jid and item.attr.nick then -- COMPAT Workaround for Miranda sending 'nick' instead of 'jid' when changing affiliation
32 local occupant = self._occupants[self.jid.."/"..item.attr.nick];
33 if occupant then item.attr.jid = occupant.jid; end
34 elseif not item.attr.nick and item.attr.jid then
35 local nick = self._jid_nick[item.attr.jid];
36 if nick then item.attr.nick = select(3, jid_split(nick)); end
37 end
38 local reason = item.tags[1] and item.tags[1].name == "reason" and #item.tags[1] == 1 and item.tags[1][1];
39 if item.attr.affiliation and item.attr.jid and not item.attr.role then
40 local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback, reason);
41 if not success then origin.send(st.error_reply(stanza, errtype, err)); end
42 elseif item.attr.role and item.attr.nick and not item.attr.affiliation then
43 local success, errtype, err = self:set_role(actor, self.jid.."/"..item.attr.nick, item.attr.role, callback, reason);
44 if not success then origin.send(st.error_reply(stanza, errtype, err)); end
45 else
46 origin.send(st.error_reply(stanza, "cancel", "bad-request"));
47 end
48 elseif stanza.attr.type == "get" then
49 local _aff = item.attr.affiliation;
50 local _rol = item.attr.role;
51 if _aff and not _rol then
52 if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then
53 local reply = st.reply(stanza):query(xmlns);
54 for jid, affiliation in pairs(self._affiliations) do
55 if affiliation == _aff then
56 reply:tag("item", {affiliation = _aff, jid = jid}):up();
57 end
58 end
59 origin.send(reply);
60 else
61 origin.send(st.error_reply(stanza, "auth", "forbidden"));
62 end
63 elseif _rol and not _aff then
64 if role == "moderator" then
65 -- TODO allow admins and owners not in room? Provide read-only access to everyone who can see the participants anyway?
66 if _rol == "none" then _rol = nil; end
67 local reply = st.reply(stanza):query(xmlns);
68 for occupant_jid, occupant in pairs(self._occupants) do
69 if occupant.role == _rol then
70 reply:tag("item", {
71 nick = select(3, jid_split(occupant_jid)),
72 role = _rol or "none",
73 affiliation = occupant.affiliation or "none",
74 jid = occupant.jid
75 }):up();
76 end
77 end
78 origin.send(reply);
79 else
80 origin.send(st.error_reply(stanza, "auth", "forbidden"));
81 end
82 else
83 origin.send(st.error_reply(stanza, "cancel", "bad-request"));
84 end
85 end
86 elseif stanza.attr.type == "set" or stanza.attr.type == "get" then
87 origin.send(st.error_reply(stanza, "cancel", "bad-request"));
88 end
89 end
90
91 -- COMPAT: reworked handle_to_room function
92 hosts[muc_host].modules.muc.stanza_handler.muc_new_room.room_mt["handle_to_room"] = function (self, origin, stanza)
93 local type = stanza.attr.type;
94 local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns;
95 if stanza.name == "iq" then
96 if xmlns == "http://jabber.org/protocol/disco#info" and type == "get" then
97 origin.send(self:get_disco_info(stanza));
98 elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then
99 origin.send(self:get_disco_items(stanza));
100 elseif (xmlns == xmlns_ma or xmlns == xmlns_mo) then
101 if xmlns == xmlns_ma then
102 self:compat_iq(origin, stanza, xmlns);
103 elseif xmlns == xmlns_mo and stanza.tags[1].name == "query" and #stanza.tags[1].tags == 0 and
104 stanza.attr.type == "get" then -- form request
105 if self:get_affiliation(stanza.attr.from) ~= "owner" then
106 origin.send(st.error_reply(stanza, "auth", "forbidden", "Only owners can configure rooms"));
107 else
108 self:send_form(origin, stanza);
109 end
110 elseif xmlns == xmlns_mo and stanza.tags[1].name == "query" and stanza.tags[1]:get_child("x", "jabber:x:data") and
111 stanza.attr.type == "set" then
112 if self:get_affiliation(stanza.attr.from) ~= "owner" then
113 origin.send(st.error_reply(stanza, "auth", "forbidden", "Only owners can configure rooms"));
114 else
115 self:process_form(origin, stanza);
116 end
117 elseif xmlns == xmlns_mo and stanza.tags[1].tags[1] then
118 local child = stanza.tags[1].tags[1];
119 if child.name == "destroy" then
120 local newjid = child.attr.jid;
121 local reason, password;
122 for _,tag in ipairs(child.tags) do
123 if tag.name == "reason" then
124 reason = #tag.tags == 0 and tag[1];
125 elseif tag.name == "password" then
126 password = #tag.tags == 0 and tag[1];
127 end
128 end
129 self:destroy(newjid, reason, password);
130 origin.send(st.reply(stanza));
131 else
132 self:compat_iq(origin, stanza, xmlns);
133 end
134 else
135 origin.send(st.error_reply(stanza, "modify", "bad-request"));
136 end
137 elseif type == "set" or type == "get" then
138 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
139 end
140 elseif stanza.name == "message" and type == "groupchat" then
141 local from, to = stanza.attr.from, stanza.attr.to;
142 local room = jid_bare(to);
143 local current_nick = self._jid_nick[from];
144 local occupant = self._occupants[current_nick];
145 if not occupant then -- not in room
146 origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
147 elseif occupant.role == "visitor" then
148 origin.send(st.error_reply(stanza, "cancel", "forbidden"));
149 else
150 local from = stanza.attr.from;
151 stanza.attr.from = current_nick;
152 local subject = getText(stanza, {"subject"});
153 if subject then
154 if occupant.role == "moderator" or
155 ( self._data.changesubject and occupant.role == "participant" ) then -- and participant
156 self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza
157 else
158 stanza.attr.from = from;
159 origin.send(st.error_reply(stanza, "cancel", "forbidden"));
160 end
161 else
162 self:broadcast_message(stanza, true);
163 end
164 stanza.attr.from = from;
165 end
166 elseif stanza.name == "message" and type == "error" and is_kickable_error(stanza) then
167 local current_nick = self._jid_nick[stanza.attr.from];
168 log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid);
169 self:handle_to_occupant(origin, build_unavailable_presence_from_error(stanza)); -- send unavailable
170 elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick
171 local to = stanza.attr.to;
172 local current_nick = self._jid_nick[stanza.attr.from];
173 if current_nick then
174 stanza.attr.to = current_nick;
175 self:handle_to_occupant(origin, stanza);
176 stanza.attr.to = to;
177 elseif type ~= "error" and type ~= "result" then
178 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
179 end
180 elseif stanza.name == "message" and not stanza.attr.type and #stanza.tags == 1 and self._jid_nick[stanza.attr.from]
181 and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" then
182 local x = stanza.tags[1];
183 local payload = (#x.tags == 1 and x.tags[1]);
184 if payload and payload.name == "invite" and payload.attr.to then
185 local _from, _to = stanza.attr.from, stanza.attr.to;
186 local _invitee = jid_prep(payload.attr.to);
187 if _invitee then
188 local _reason = payload.tags[1] and payload.tags[1].name == 'reason' and #payload.tags[1].tags == 0 and payload.tags[1][1];
189 local invite = st.message({from = _to, to = _invitee, id = stanza.attr.id})
190 :tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
191 :tag('invite', {from=_from})
192 :tag('reason'):text(_reason or ""):up()
193 :up();
194 if self:get_password() then
195 invite:tag("password"):text(self:get_password()):up();
196 end
197 invite:up()
198 :tag('x', {xmlns="jabber:x:conference", jid=_to}) -- COMPAT: Some older clients expect this
199 :text(_reason or "")
200 :up()
201 :tag('body') -- Add a plain message for clients which don't support invites
202 :text(_from..' invited you to the room '.._to..(_reason and (' ('.._reason..')') or ""))
203 :up();
204 if self:is_members_only() and not self:get_affiliation(_invitee) then
205 log("debug", "%s invited %s into members only room %s, granting membership", _from, _invitee, _to);
206 self:set_affiliation(_from, _invitee, "member", nil, "Invited by " .. self._jid_nick[_from])
207 end
208 self:_route_stanza(invite);
209 else
210 origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
211 end
212 else
213 origin.send(st.error_reply(stanza, "cancel", "bad-request"));
214 end
215 else
216 if type == "error" or type == "result" then return; end
217 origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
218 end
219 end
220
221