Wed, 09 Sep 2009 19:14:12 +0500
MUC: Removed commented code.
1734 | 1 | -- Prosody IM |
2 | -- Copyright (C) 2008-2009 Matthew Wild | |
3 | -- Copyright (C) 2008-2009 Waqas Hussain | |
4 | -- | |
5 | -- This project is MIT/X11 licensed. Please see the | |
6 | -- COPYING file in the source package for more information. | |
7 | -- | |
8 | ||
9 | local datamanager = require "util.datamanager"; | |
10 | local datetime = require "util.datetime"; | |
11 | ||
12 | local jid_split = require "util.jid".split; | |
13 | local jid_bare = require "util.jid".bare; | |
14 | local st = require "util.stanza"; | |
15 | local log = require "util.logger".init("mod_muc"); | |
16 | local multitable_new = require "util.multitable".new; | |
17 | local t_insert, t_remove = table.insert, table.remove; | |
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18 | local setmetatable = setmetatable; |
1734 | 19 | |
20 | local muc_domain = nil; --module:get_host(); | |
21 | local history_length = 20; | |
22 | ||
23 | ------------ | |
24 | local function filter_xmlns_from_array(array, filters) | |
25 | local count = 0; | |
26 | for i=#array,1,-1 do | |
27 | local attr = array[i].attr; | |
28 | if filters[attr and attr.xmlns] then | |
29 | t_remove(array, i); | |
30 | count = count + 1; | |
31 | end | |
32 | end | |
33 | return count; | |
34 | end | |
35 | local function filter_xmlns_from_stanza(stanza, filters) | |
36 | if filters then | |
37 | if filter_xmlns_from_array(stanza.tags, filters) ~= 0 then | |
38 | return stanza, filter_xmlns_from_array(stanza, filters); | |
39 | end | |
40 | end | |
41 | return stanza, 0; | |
42 | end | |
43 | local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true}; | |
44 | local function get_filtered_presence(stanza) | |
45 | return filter_xmlns_from_stanza(st.clone(stanza), presence_filters); | |
46 | end | |
47 | local kickable_error_conditions = { | |
48 | ["gone"] = true; | |
49 | ["internal-server-error"] = true; | |
50 | ["item-not-found"] = true; | |
51 | ["jid-malformed"] = true; | |
52 | ["recipient-unavailable"] = true; | |
53 | ["redirect"] = true; | |
54 | ["remote-server-not-found"] = true; | |
55 | ["remote-server-timeout"] = true; | |
56 | ["service-unavailable"] = true; | |
57 | }; | |
58 | local function get_kickable_error(stanza) | |
59 | for _, tag in ipairs(stanza.tags) do | |
60 | if tag.name == "error" and tag.attr.xmlns == "jabber:client" then | |
61 | for _, cond in ipairs(tag.tags) do | |
62 | if cond.attr.xmlns == "urn:ietf:params:xml:ns:xmpp-stanzas" then | |
63 | return kickable_error_conditions[cond.name] and cond.name; | |
64 | end | |
65 | end | |
66 | return true; -- malformed error message | |
67 | end | |
68 | end | |
69 | return true; -- malformed error message | |
70 | end | |
71 | local function getUsingPath(stanza, path, getText) | |
72 | local tag = stanza; | |
73 | for _, name in ipairs(path) do | |
74 | if type(tag) ~= 'table' then return; end | |
75 | tag = tag:child_with_name(name); | |
76 | end | |
77 | if tag and getText then tag = table.concat(tag); end | |
78 | return tag; | |
79 | end | |
80 | local function getTag(stanza, path) return getUsingPath(stanza, path); end | |
81 | local function getText(stanza, path) return getUsingPath(stanza, path, true); end | |
82 | ----------- | |
83 | ||
84 | --[[function get_room_disco_info(room, stanza) | |
85 | return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info") | |
86 | :tag("identity", {category='conference', type='text', name=room._data["name"]):up() | |
87 | :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply | |
88 | end | |
89 | function get_room_disco_items(room, stanza) | |
90 | return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items"); | |
91 | end -- TODO allow non-private rooms]] | |
92 | ||
93 | -- | |
94 | ||
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95 | local room_mt = {}; |
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96 | room_mt.__index = room_mt; |
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97 | |
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98 | function room_mt:get_default_role(affiliation) |
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99 | if affiliation == "owner" or affiliation == "admin" then |
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100 | return "moderator"; |
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101 | elseif affiliation == "member" or not affiliation then |
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102 | return "participant"; |
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103 | end |
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104 | end |
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105 | |
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106 | function room_mt:broadcast_presence(stanza, code, nick) |
1734 | 107 | stanza = get_filtered_presence(stanza); |
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108 | local data = self._occupants[stanza.attr.from]; |
1734 | 109 | stanza:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) |
110 | :tag("item", {affiliation=data.affiliation, role=data.role, nick=nick}):up(); | |
111 | if code then | |
112 | stanza:tag("status", {code=code}):up(); | |
113 | end | |
114 | local me; | |
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115 | for occupant, o_data in pairs(self._occupants) do |
1734 | 116 | if occupant ~= stanza.attr.from then |
117 | for jid in pairs(o_data.sessions) do | |
118 | stanza.attr.to = jid; | |
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119 | self:route_stanza(stanza); |
1734 | 120 | end |
121 | else | |
122 | me = o_data; | |
123 | end | |
124 | end | |
125 | if me then | |
126 | stanza:tag("status", {code='110'}); | |
127 | for jid in pairs(me.sessions) do | |
128 | stanza.attr.to = jid; | |
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129 | self:route_stanza(stanza); |
1734 | 130 | end |
131 | end | |
132 | end | |
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133 | function room_mt:broadcast_message(stanza, historic) |
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134 | for occupant, o_data in pairs(self._occupants) do |
1734 | 135 | for jid in pairs(o_data.sessions) do |
136 | stanza.attr.to = jid; | |
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137 | self:route_stanza(stanza); |
1734 | 138 | end |
139 | end | |
140 | if historic then -- add to history | |
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141 | local history = self._data['history']; |
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142 | if not history then history = {}; self._data['history'] = history; end |
1734 | 143 | -- stanza = st.clone(stanza); |
144 | stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203 | |
145 | stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated) | |
146 | t_insert(history, st.clone(st.preserialize(stanza))); | |
147 | while #history > history_length do t_remove(history, 1) end | |
148 | end | |
149 | end | |
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150 | function room_mt:broadcast_except_nick(stanza, nick) |
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151 | for rnick, occupant in pairs(self._occupants) do |
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152 | if rnick ~= nick then |
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153 | for jid in pairs(occupant.sessions) do |
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154 | stanza.attr.to = jid; |
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155 | self:route_stanza(stanza); |
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156 | end |
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157 | end |
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158 | end |
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159 | end |
1734 | 160 | |
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161 | function room_mt:send_occupant_list(to) |
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162 | local current_nick = self._jid_nick[to]; |
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163 | for occupant, o_data in pairs(self._occupants) do |
1734 | 164 | if occupant ~= current_nick then |
165 | local pres = get_filtered_presence(o_data.sessions[o_data.jid]); | |
166 | pres.attr.to, pres.attr.from = to, occupant; | |
167 | pres:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) | |
168 | :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up(); | |
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169 | self:route_stanza(pres); |
1734 | 170 | end |
171 | end | |
172 | end | |
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173 | function room_mt:send_history(to) |
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174 | local history = self._data['history']; -- send discussion history |
1734 | 175 | if history then |
176 | for _, msg in ipairs(history) do | |
177 | msg = st.deserialize(msg); | |
178 | msg.attr.to=to; | |
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179 | self:route_stanza(msg); |
1734 | 180 | end |
181 | end | |
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182 | if self._data['subject'] then |
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183 | self:route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject'])); |
1734 | 184 | end |
185 | end | |
186 | ||
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187 | local function room_get_disco_info(self, stanza) |
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188 | return st.reply(stanza):query("http://jabber.org/protocol/disco#info"):tag("identity", {category="conference", type="text"}); |
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189 | end |
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190 | local function room_get_disco_items(self, stanza) |
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191 | return st.reply(stanza):query("http://jabber.org/protocol/disco#items"); |
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192 | end |
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193 | function room_mt:set_subject(current_nick, subject) |
1734 | 194 | -- TODO check nick's authority |
195 | if subject == "" then subject = nil; end | |
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196 | self._data['subject'] = subject; |
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197 | if self.save then self:save(); end |
1734 | 198 | local msg = st.message({type='groupchat', from=current_nick}) |
199 | :tag('subject'):text(subject):up(); | |
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200 | self:broadcast_message(msg, false); |
1734 | 201 | return true; |
202 | end | |
203 | ||
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204 | function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc |
1734 | 205 | local from, to = stanza.attr.from, stanza.attr.to; |
206 | local room = jid_bare(to); | |
207 | local current_nick = self._jid_nick[from]; | |
208 | local type = stanza.attr.type; | |
209 | log("debug", "room: %s, current_nick: %s, stanza: %s", room or "nil", current_nick or "nil", stanza:top_tag()); | |
210 | if (select(2, jid_split(from)) == muc_domain) then error("Presence from the MUC itself!!!"); end | |
211 | if stanza.name == "presence" then | |
212 | local pr = get_filtered_presence(stanza); | |
213 | pr.attr.from = current_nick; | |
214 | if type == "error" then -- error, kick em out! | |
215 | if current_nick then | |
216 | log("debug", "kicking %s from %s", current_nick, room); | |
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217 | self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}) |
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218 | :tag('status'):text('This participant is kicked from the room because he sent an error presence')); -- send unavailable |
1734 | 219 | end |
220 | elseif type == "unavailable" then -- unavailable | |
221 | if current_nick then | |
222 | log("debug", "%s leaving %s", current_nick, room); | |
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223 | local data = self._occupants[current_nick]; |
1734 | 224 | data.role = 'none'; |
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225 | self:broadcast_presence(pr); |
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226 | self._occupants[current_nick] = nil; |
1734 | 227 | self._jid_nick[from] = nil; |
228 | end | |
229 | elseif not type then -- available | |
230 | if current_nick then | |
231 | --if #pr == #stanza or current_nick ~= to then -- commented because google keeps resending directed presence | |
232 | if current_nick == to then -- simple presence | |
233 | log("debug", "%s broadcasted presence", current_nick); | |
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234 | self._occupants[current_nick].sessions[from] = pr; |
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235 | self:broadcast_presence(pr); |
1734 | 236 | else -- change nick |
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237 | if self._occupants[to] then |
1734 | 238 | log("debug", "%s couldn't change nick", current_nick); |
239 | origin.send(st.error_reply(stanza, "cancel", "conflict"):tag("x", {xmlns = "http://jabber.org/protocol/muc"})); | |
240 | else | |
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241 | local data = self._occupants[current_nick]; |
1734 | 242 | local to_nick = select(3, jid_split(to)); |
243 | if to_nick then | |
244 | log("debug", "%s (%s) changing nick to %s", current_nick, data.jid, to); | |
245 | local p = st.presence({type='unavailable', from=current_nick}); | |
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246 | self:broadcast_presence(p, '303', to_nick); |
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247 | self._occupants[current_nick] = nil; |
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248 | self._occupants[to] = data; |
1734 | 249 | self._jid_nick[from] = to; |
250 | pr.attr.from = to; | |
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251 | self._occupants[to].sessions[from] = pr; |
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252 | self:broadcast_presence(pr); |
1734 | 253 | else |
254 | --TODO malformed-jid | |
255 | end | |
256 | end | |
257 | end | |
258 | --else -- possible rejoin | |
259 | -- log("debug", "%s had connection replaced", current_nick); | |
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260 | -- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}) |
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261 | -- :tag('status'):text('Replaced by new connection'):up()); -- send unavailable |
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262 | -- self:handle_to_occupant(origin, stanza); -- resend available |
1734 | 263 | --end |
264 | else -- enter room | |
265 | local new_nick = to; | |
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266 | if self._occupants[to] then |
1734 | 267 | new_nick = nil; |
268 | end | |
269 | if not new_nick then | |
270 | log("debug", "%s couldn't join due to nick conflict: %s", from, to); | |
271 | origin.send(st.error_reply(stanza, "cancel", "conflict"):tag("x", {xmlns = "http://jabber.org/protocol/muc"})); | |
272 | else | |
273 | log("debug", "%s joining as %s", from, to); | |
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274 | if not next(self._affiliations) then -- new room, no owners |
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275 | self._affiliations[jid_bare(from)] = "owner"; |
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276 | end |
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277 | local affiliation = self:get_affiliation(from); |
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278 | local role = self:get_default_role(affiliation) |
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279 | if role then -- new occupant |
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280 | self._occupants[to] = {affiliation=affiliation, role=role, jid=from, sessions={[from]=get_filtered_presence(stanza)}}; |
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281 | self._jid_nick[from] = to; |
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282 | self:send_occupant_list(from); |
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283 | pr.attr.from = to; |
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284 | self:broadcast_presence(pr); |
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285 | self:send_history(from); |
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286 | else -- banned |
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287 | origin.send(st.error_reply(stanza, "auth", "forbidden"):tag("x", {xmlns = "http://jabber.org/protocol/muc"})); |
1734 | 288 | end |
289 | end | |
290 | end | |
291 | elseif type ~= 'result' then -- bad type | |
292 | origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error? | |
293 | end | |
294 | elseif not current_nick and type ~= "error" and type ~= "result" then -- not in room | |
295 | origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); | |
296 | elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM | |
297 | origin.send(st.error_reply(stanza, "modify", "bad-request")); | |
298 | elseif stanza.name == "message" and type == "error" and get_kickable_error(stanza) then | |
299 | log("debug", "%s kicked from %s for sending an error message", current_nick, room); | |
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300 | self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}):tag('status'):text('This participant is kicked from the room because he sent an error message to another occupant')); -- send unavailable |
1734 | 301 | else -- private stanza |
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302 | local o_data = self._occupants[to]; |
1734 | 303 | if o_data then |
304 | log("debug", "%s sent private stanza to %s (%s)", from, to, o_data.jid); | |
305 | local jid = o_data.jid; | |
306 | -- TODO if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' then jid = jid_bare(jid); end | |
307 | stanza.attr.to, stanza.attr.from = jid, current_nick; | |
308 | self:route_stanza(stanza); | |
309 | elseif type ~= "error" and type ~= "result" then -- recipient not in room | |
310 | origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room")); | |
311 | end | |
312 | end | |
313 | end | |
314 | ||
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315 | function room_mt:handle_form(origin, stanza) |
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316 | if self:get_affiliation(stanza.attr.from) ~= "owner" then origin.send(st.error_reply(stanza, "auth", "forbidden")); return; end |
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317 | if stanza.attr.type == "get" then |
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318 | local title = "Configuration for "..self.jid; |
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319 | origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner") |
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320 | :tag("x", {xmlns='jabber:x:data', type='form'}) |
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321 | :tag("title"):text(title):up() |
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322 | :tag("instructions"):text(title):up() |
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323 | :tag("field", {type='hidden', var='FORM_TYPE'}):tag("value"):text("http://jabber.org/protocol/muc#roomconfig"):up():up() |
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324 | :tag("field", {type='boolean', label='Make Room Persistent?', var='muc#roomconfig_persistentroom'}) |
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325 | :tag("value"):text(self._data.persistent and "1" or "0"):up() |
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326 | :up() |
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327 | :tag("field", {type='boolean', label='Make Room Publicly Searchable?', var='muc#roomconfig_publicroom'}) |
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328 | :tag("value"):text(self._data.hidden and "0" or "1"):up() |
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329 | :up() |
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330 | ); |
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331 | elseif stanza.attr.type == "set" then |
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332 | local query = stanza.tags[1]; |
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333 | local form; |
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334 | for _, tag in ipairs(query.tags) do if tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then form = tag; break; end end |
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335 | if not form then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); return; end |
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336 | if form.attr.type == "cancel" then origin.send(st.reply(stanza)); return; end |
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337 | if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end |
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338 | local fields = {}; |
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339 | for _, field in pairs(form.tags) do |
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340 | if field.name == "field" and field.attr.var and field.tags[1].name == "value" and #field.tags[1].tags == 0 then |
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341 | fields[field.attr.var] = field.tags[1][1] or ""; |
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342 | end |
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343 | end |
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344 | if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end |
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345 | |
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346 | local persistent = fields['muc#roomconfig_persistentroom']; |
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347 | if persistent == "0" or persistent == "false" then persistent = nil; elseif persistent == "1" or persistent == "true" then persistent = true; |
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348 | else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end |
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349 | self._data.persistent = persistent; |
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350 | module:log("debug", "persistent=%s", tostring(persistent)); |
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351 | |
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352 | local public = fields['muc#roomconfig_publicroom']; |
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353 | if public == "0" or public == "false" then public = nil; elseif public == "1" or public == "true" then public = true; |
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354 | else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end |
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355 | self._data.hidden = not public and true or nil; |
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356 | |
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357 | if self.save then self:save(true); end |
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358 | origin.send(st.reply(stanza)); |
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359 | end |
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360 | end |
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361 | |
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362 | function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc |
1734 | 363 | local type = stanza.attr.type; |
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364 | local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns; |
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365 | if stanza.name == "iq" then |
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366 | if xmlns == "http://jabber.org/protocol/disco#info" and type == "get" then |
1734 | 367 | origin.send(room_get_disco_info(self, stanza)); |
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368 | elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then |
1734 | 369 | origin.send(room_get_disco_items(self, stanza)); |
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370 | elseif xmlns == "http://jabber.org/protocol/muc#admin" then |
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371 | local actor = stanza.attr.from; |
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372 | local affiliation = self:get_affiliation(actor); |
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373 | local current_nick = self._jid_nick[actor]; |
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374 | local role = current_nick and self._occupants[current_nick].role or self:get_default_role(affiliation); |
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375 | local item = stanza.tags[1].tags[1]; |
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376 | if item and item.name == "item" then |
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377 | if type == "set" then |
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378 | local callback = function() origin.send(st.reply(stanza)); end |
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379 | if not item.attr.jid and item.attr.nick then -- COMPAT Workaround for Miranda sending 'nick' instead of 'jid' when changing affiliation |
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380 | local occupant = self._occupants[self.jid.."/"..item.attr.nick]; |
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381 | if occupant then item.attr.jid = occupant.jid; end |
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382 | end |
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383 | if item.attr.affiliation and item.attr.jid and not item.attr.role then |
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384 | local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback); |
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385 | if not success then origin.send(st.error_reply(stanza, errtype, err)); end |
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386 | elseif item.attr.role and item.attr.nick and not item.attr.affiliation then |
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387 | local success, errtype, err = self:set_role(actor, self.jid.."/"..item.attr.nick, item.attr.role, callback); |
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388 | if not success then origin.send(st.error_reply(stanza, errtype, err)); end |
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389 | else |
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390 | origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
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391 | end |
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392 | elseif type == "get" then |
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393 | local _aff = item.attr.affiliation; |
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394 | local _rol = item.attr.role; |
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395 | if _aff and not _rol then |
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396 | if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then |
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397 | local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); |
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398 | for jid, affiliation in pairs(self._affiliations) do |
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399 | if affiliation == _aff then |
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400 | reply:tag("item", {affiliation = _aff, jid = jid}):up(); |
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401 | end |
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402 | end |
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403 | origin.send(reply); |
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404 | else |
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405 | origin.send(st.error_reply(stanza, "auth", "forbidden")); |
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406 | end |
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407 | elseif _rol and not _aff then |
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408 | if role == "moderator" then |
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409 | -- TODO allow admins and owners not in room? Provide read-only access to everyone who can see the participants anyway? |
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410 | if _rol == "none" then _rol = nil; end |
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411 | local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); |
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412 | for nick, occupant in pairs(self._occupants) do |
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413 | if occupant.role == _rol then |
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414 | reply:tag("item", {nick = nick, role = _rol or "none", affiliation = occupant.affiliation or "none", jid = occupant.jid}):up(); |
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415 | end |
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416 | end |
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417 | origin.send(reply); |
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418 | else |
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419 | origin.send(st.error_reply(stanza, "auth", "forbidden")); |
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420 | end |
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421 | else |
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422 | origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
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423 | end |
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424 | end |
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425 | elseif type == "set" or type == "get" then |
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426 | origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
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427 | end |
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428 | elseif xmlns == "http://jabber.org/protocol/muc#owner" and (type == "get" or type == "set") and stanza.tags[1].name == "query" then |
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429 | self:handle_form(origin, stanza); |
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430 | elseif type == "set" or type == "get" then |
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431 | origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
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432 | end |
1734 | 433 | elseif stanza.name == "message" and type == "groupchat" then |
434 | local from, to = stanza.attr.from, stanza.attr.to; | |
435 | local room = jid_bare(to); | |
436 | local current_nick = self._jid_nick[from]; | |
437 | if not current_nick then -- not in room | |
438 | origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); | |
439 | else | |
440 | local from = stanza.attr.from; | |
441 | stanza.attr.from = current_nick; | |
442 | local subject = getText(stanza, {"subject"}); | |
443 | if subject then | |
444 | self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza | |
445 | else | |
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446 | self:broadcast_message(stanza, true); |
1734 | 447 | end |
448 | end | |
449 | elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick | |
450 | local to = stanza.attr.to; | |
451 | local current_nick = self._jid_nick[stanza.attr.from]; | |
452 | if current_nick then | |
453 | stanza.attr.to = current_nick; | |
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454 | self:handle_to_occupant(origin, stanza); |
1734 | 455 | stanza.attr.to = to; |
456 | elseif type ~= "error" and type ~= "result" then | |
457 | origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); | |
458 | end | |
459 | elseif stanza.name == "message" and not stanza.attr.type and #stanza.tags == 1 and self._jid_nick[stanza.attr.from] | |
460 | and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" and #stanza.tags[1].tags == 1 | |
461 | and stanza.tags[1].tags[1].name == "invite" and stanza.tags[1].tags[1].attr.to then | |
462 | local _from, _to = stanza.attr.from, stanza.attr.to; | |
463 | local _invitee = stanza.tags[1].tags[1].attr.to; | |
464 | stanza.attr.from, stanza.attr.to = _to, _invitee; | |
465 | stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = _from, nil; | |
466 | self:route_stanza(stanza); | |
467 | stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = nil, _invitee; | |
468 | stanza.attr.from, stanza.attr.to = _from, _to; | |
469 | else | |
470 | if type == "error" or type == "result" then return; end | |
471 | origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); | |
472 | end | |
473 | end | |
474 | ||
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475 | function room_mt:handle_stanza(origin, stanza) |
1734 | 476 | local to_node, to_host, to_resource = jid_split(stanza.attr.to); |
477 | if to_resource then | |
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478 | self:handle_to_occupant(origin, stanza); |
1734 | 479 | else |
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480 | self:handle_to_room(origin, stanza); |
1734 | 481 | end |
482 | end | |
483 | ||
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484 | function room_mt:route_stanza(stanza) end -- Replace with a routing function, e.g., function(room, stanza) core_route_stanza(origin, stanza); end |
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485 | |
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486 | function room_mt:get_affiliation(jid) |
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487 | local node, host, resource = jid_split(jid); |
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488 | local bare = node and node.."@"..host or host; |
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489 | local result = self._affiliations[bare]; -- Affiliations are granted, revoked, and maintained based on the user's bare JID. |
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490 | if not result and self._affiliations[host] == "outcast" then result = "outcast"; end -- host banned |
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491 | return result; |
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492 | end |
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493 | function room_mt:set_affiliation(actor, jid, affiliation, callback) |
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494 | jid = jid_bare(jid); |
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495 | if affiliation == "none" then affiliation = nil; end |
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496 | if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then |
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497 | return nil, "modify", "not-acceptable"; |
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498 | end |
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499 | if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end |
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500 | if jid_bare(actor) == jid then return nil, "cancel", "not-allowed"; end |
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501 | self._affiliations[jid] = affiliation; |
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502 | local role = self:get_default_role(affiliation); |
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503 | local p = st.presence() |
1742
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504 | :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) |
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505 | :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up(); |
1742
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506 | local x = p.tags[1]; |
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507 | local item = x.tags[1]; |
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508 | if not role then -- getting kicked |
1750
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509 | p.attr.type = "unavailable"; |
1742
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510 | if affiliation == "outcast" then |
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511 | x:tag("status", {code="301"}):up(); -- banned |
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512 | else |
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513 | x:tag("status", {code="321"}):up(); -- affiliation change |
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514 | end |
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515 | end |
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516 | local modified_nicks = {}; |
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517 | for nick, occupant in pairs(self._occupants) do |
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518 | if jid_bare(occupant.jid) == jid then |
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519 | if not role then -- getting kicked |
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520 | self._occupants[nick] = nil; |
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521 | else |
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522 | t_insert(modified_nicks, nick); |
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523 | occupant.affiliation, occupant.role = affiliation, role; |
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524 | end |
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525 | p.attr.from = nick; |
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parents:
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diff
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|
526 | for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick |
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MUC: Owners can now modify roles and affiliations
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diff
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527 | if not role then self._jid_nick[jid] = nil; end |
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parents:
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diff
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|
528 | p.attr.to = jid; |
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529 | self:route_stanza(p); |
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530 | end |
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531 | end |
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532 | end |
1755
1614e8e62ad5
MUC: Fixed an undefined global access.
Waqas Hussain <waqas20@gmail.com>
parents:
1754
diff
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|
533 | if self.save then self:save(); end |
1742
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MUC: Owners can now modify roles and affiliations
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534 | if callback then callback(); end |
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535 | for _, nick in ipairs(modified_nicks) do |
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536 | p.attr.from = nick; |
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537 | self:broadcast_except_nick(p, nick); |
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diff
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538 | end |
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539 | return true; |
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|
540 | end |
1734 | 541 | |
1742
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diff
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542 | function room_mt:get_role(nick) |
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543 | local session = self._occupants[nick]; |
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544 | return session and session.role or nil; |
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|
545 | end |
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diff
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|
546 | function room_mt:set_role(actor, nick, role, callback) |
1752
4db786919805
MUC: Added kicking support.
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parents:
1751
diff
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|
547 | if role == "none" then role = nil; end |
1742
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diff
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548 | if role and role ~= "moderator" and role ~= "participant" and role ~= "visitor" then return nil, "modify", "not-acceptable"; end |
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diff
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549 | if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end |
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diff
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|
550 | local occupant = self._occupants[nick]; |
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diff
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|
551 | if not occupant then return nil, "modify", "not-acceptable"; end |
1743
d00b144f4bcf
MUC: An admin or owner MUST NOT be able to revoke moderation privileges from another admin or owner.
Waqas Hussain <waqas20@gmail.com>
parents:
1742
diff
changeset
|
552 | if occupant.affiliation == "owner" or occupant.affiliation == "admin" then return nil, "cancel", "not-allowed"; end |
1750
a1c18470eeee
MUC: Fixed: Unavailable presence was being sent for all role and affiliation changes. Now sent only for kicked occupants.
Waqas Hussain <waqas20@gmail.com>
parents:
1749
diff
changeset
|
553 | local p = st.presence({from = nick}) |
1742
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parents:
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diff
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|
554 | :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) |
1744
265863a5612b
MUC: Added support for requesting various lists (owner, admin, voice, etc).
Waqas Hussain <waqas20@gmail.com>
parents:
1743
diff
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|
555 | :tag("item", {affiliation=occupant.affiliation or "none", nick=nick, role=role or "none"}):up(); |
1742
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MUC: Owners can now modify roles and affiliations
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parents:
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diff
changeset
|
556 | if not role then -- kick |
1750
a1c18470eeee
MUC: Fixed: Unavailable presence was being sent for all role and affiliation changes. Now sent only for kicked occupants.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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|
557 | p.attr.type = "unavailable"; |
1742
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parents:
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diff
changeset
|
558 | self._occupants[nick] = nil; |
1483a62d69bb
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parents:
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diff
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|
559 | for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick |
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parents:
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diff
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|
560 | self._jid_nick[jid] = nil; |
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|
561 | end |
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diff
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|
562 | p:tag("status", {code = "307"}):up(); |
1483a62d69bb
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Waqas Hussain <waqas20@gmail.com>
parents:
1740
diff
changeset
|
563 | else |
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diff
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|
564 | occupant.role = role; |
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parents:
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diff
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|
565 | end |
1483a62d69bb
MUC: Owners can now modify roles and affiliations
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parents:
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diff
changeset
|
566 | for jid in pairs(occupant.sessions) do -- send to all sessions of the nick |
1483a62d69bb
MUC: Owners can now modify roles and affiliations
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parents:
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diff
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|
567 | p.attr.to = jid; |
1483a62d69bb
MUC: Owners can now modify roles and affiliations
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parents:
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diff
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|
568 | self:route_stanza(p); |
1483a62d69bb
MUC: Owners can now modify roles and affiliations
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parents:
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diff
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|
569 | end |
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MUC: Owners can now modify roles and affiliations
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parents:
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diff
changeset
|
570 | if callback then callback(); end |
1483a62d69bb
MUC: Owners can now modify roles and affiliations
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
571 | self:broadcast_except_nick(p, nick); |
1737
31c3eb5797c7
MUC: Initial support for roles and affiliations
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parents:
1736
diff
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|
572 | return true; |
31c3eb5797c7
MUC: Initial support for roles and affiliations
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parents:
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diff
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|
573 | end |
31c3eb5797c7
MUC: Initial support for roles and affiliations
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parents:
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diff
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|
574 | |
31c3eb5797c7
MUC: Initial support for roles and affiliations
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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|
575 | local _M = {}; -- module "muc" |
31c3eb5797c7
MUC: Initial support for roles and affiliations
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parents:
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diff
changeset
|
576 | |
1749
cf2ade983e12
MUC: Changed a MUC library method into a function.
Waqas Hussain <waqas20@gmail.com>
parents:
1746
diff
changeset
|
577 | function _M.new_room(jid) |
1735
81406277279e
MUC: The MUC lib is now metatable based. Cleaned up code, etc.
Waqas Hussain <waqas20@gmail.com>
parents:
1734
diff
changeset
|
578 | return setmetatable({ |
1734 | 579 | jid = jid; |
580 | _jid_nick = {}; | |
1739
393abf245322
MUC: Renamed _participants table to _occupants
Waqas Hussain <waqas20@gmail.com>
parents:
1737
diff
changeset
|
581 | _occupants = {}; |
1734 | 582 | _data = {}; |
1737
31c3eb5797c7
MUC: Initial support for roles and affiliations
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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|
583 | _affiliations = {}; |
1735
81406277279e
MUC: The MUC lib is now metatable based. Cleaned up code, etc.
Waqas Hussain <waqas20@gmail.com>
parents:
1734
diff
changeset
|
584 | }, room_mt); |
1734 | 585 | end |
586 | ||
587 | return _M; |