Software / code / prosody
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plugins/muc/muc.lib.lua @ 1744:265863a5612b
MUC: Added support for requesting various lists (owner, admin, voice, etc).
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Mon, 07 Sep 2009 20:33:24 +0500 |
| parent | 1743:d00b144f4bcf |
| child | 1745:15039fac3693 |
| rev | line source |
|---|---|
| 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 nick, occupant in pairs(self._occupants) do |
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152 if nick ~= 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 | |
| 187 local function room_get_disco_info(self, stanza) end | |
| 188 local function room_get_disco_items(self, stanza) end | |
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189 function room_mt:set_subject(current_nick, subject) |
| 1734 | 190 -- TODO check nick's authority |
| 191 if subject == "" then subject = nil; end | |
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192 self._data['subject'] = subject; |
| 1734 | 193 local msg = st.message({type='groupchat', from=current_nick}) |
| 194 :tag('subject'):text(subject):up(); | |
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195 self:broadcast_message(msg, false); |
| 1734 | 196 return true; |
| 197 end | |
| 198 | |
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199 function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc |
| 1734 | 200 local from, to = stanza.attr.from, stanza.attr.to; |
| 201 local room = jid_bare(to); | |
| 202 local current_nick = self._jid_nick[from]; | |
| 203 local type = stanza.attr.type; | |
| 204 log("debug", "room: %s, current_nick: %s, stanza: %s", room or "nil", current_nick or "nil", stanza:top_tag()); | |
| 205 if (select(2, jid_split(from)) == muc_domain) then error("Presence from the MUC itself!!!"); end | |
| 206 if stanza.name == "presence" then | |
| 207 local pr = get_filtered_presence(stanza); | |
| 208 pr.attr.from = current_nick; | |
| 209 if type == "error" then -- error, kick em out! | |
| 210 if current_nick then | |
| 211 log("debug", "kicking %s from %s", current_nick, room); | |
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212 self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}) |
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213 :tag('status'):text('This participant is kicked from the room because he sent an error presence')); -- send unavailable |
| 1734 | 214 end |
| 215 elseif type == "unavailable" then -- unavailable | |
| 216 if current_nick then | |
| 217 log("debug", "%s leaving %s", current_nick, room); | |
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218 local data = self._occupants[current_nick]; |
| 1734 | 219 data.role = 'none'; |
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220 self:broadcast_presence(pr); |
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221 self._occupants[current_nick] = nil; |
| 1734 | 222 self._jid_nick[from] = nil; |
| 223 end | |
| 224 elseif not type then -- available | |
| 225 if current_nick then | |
| 226 --if #pr == #stanza or current_nick ~= to then -- commented because google keeps resending directed presence | |
| 227 if current_nick == to then -- simple presence | |
| 228 log("debug", "%s broadcasted presence", current_nick); | |
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229 self._occupants[current_nick].sessions[from] = pr; |
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230 self:broadcast_presence(pr); |
| 1734 | 231 else -- change nick |
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232 if self._occupants[to] then |
| 1734 | 233 log("debug", "%s couldn't change nick", current_nick); |
| 234 origin.send(st.error_reply(stanza, "cancel", "conflict"):tag("x", {xmlns = "http://jabber.org/protocol/muc"})); | |
| 235 else | |
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236 local data = self._occupants[current_nick]; |
| 1734 | 237 local to_nick = select(3, jid_split(to)); |
| 238 if to_nick then | |
| 239 log("debug", "%s (%s) changing nick to %s", current_nick, data.jid, to); | |
| 240 local p = st.presence({type='unavailable', from=current_nick}); | |
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241 self:broadcast_presence(p, '303', to_nick); |
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242 self._occupants[current_nick] = nil; |
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243 self._occupants[to] = data; |
| 1734 | 244 self._jid_nick[from] = to; |
| 245 pr.attr.from = to; | |
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246 self._occupants[to].sessions[from] = pr; |
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247 self:broadcast_presence(pr); |
| 1734 | 248 else |
| 249 --TODO malformed-jid | |
| 250 end | |
| 251 end | |
| 252 end | |
| 253 --else -- possible rejoin | |
| 254 -- log("debug", "%s had connection replaced", current_nick); | |
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255 -- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}) |
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256 -- :tag('status'):text('Replaced by new connection'):up()); -- send unavailable |
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257 -- self:handle_to_occupant(origin, stanza); -- resend available |
| 1734 | 258 --end |
| 259 else -- enter room | |
| 260 local new_nick = to; | |
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261 if self._occupants[to] then |
| 1734 | 262 new_nick = nil; |
| 263 end | |
| 264 if not new_nick then | |
| 265 log("debug", "%s couldn't join due to nick conflict: %s", from, to); | |
| 266 origin.send(st.error_reply(stanza, "cancel", "conflict"):tag("x", {xmlns = "http://jabber.org/protocol/muc"})); | |
| 267 else | |
| 268 log("debug", "%s joining as %s", from, to); | |
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269 if not next(self._affiliations) then -- new room, no owners |
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270 self._affiliations[jid_bare(from)] = "owner"; |
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271 end |
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272 local affiliation = self:get_affiliation(from); |
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273 local role = self:get_default_role(affiliation) |
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274 if role then -- new occupant |
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275 self._occupants[to] = {affiliation=affiliation, role=role, jid=from, sessions={[from]=get_filtered_presence(stanza)}}; |
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276 self._jid_nick[from] = to; |
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277 self:send_occupant_list(from); |
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278 pr.attr.from = to; |
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279 self:broadcast_presence(pr); |
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280 self:send_history(from); |
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281 else -- banned |
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282 origin.send(st.error_reply(stanza, "auth", "forbidden"):tag("x", {xmlns = "http://jabber.org/protocol/muc"})); |
| 1734 | 283 end |
| 284 end | |
| 285 end | |
| 286 elseif type ~= 'result' then -- bad type | |
| 287 origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error? | |
| 288 end | |
| 289 elseif not current_nick and type ~= "error" and type ~= "result" then -- not in room | |
| 290 origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); | |
| 291 elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM | |
| 292 origin.send(st.error_reply(stanza, "modify", "bad-request")); | |
| 293 elseif stanza.name == "message" and type == "error" and get_kickable_error(stanza) then | |
| 294 log("debug", "%s kicked from %s for sending an error message", current_nick, room); | |
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295 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 | 296 else -- private stanza |
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297 local o_data = self._occupants[to]; |
| 1734 | 298 if o_data then |
| 299 log("debug", "%s sent private stanza to %s (%s)", from, to, o_data.jid); | |
| 300 local jid = o_data.jid; | |
| 301 -- TODO if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' then jid = jid_bare(jid); end | |
| 302 stanza.attr.to, stanza.attr.from = jid, current_nick; | |
| 303 self:route_stanza(stanza); | |
| 304 elseif type ~= "error" and type ~= "result" then -- recipient not in room | |
| 305 origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room")); | |
| 306 end | |
| 307 end | |
| 308 end | |
| 309 | |
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310 function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc |
| 1734 | 311 local type = stanza.attr.type; |
| 312 if stanza.name == "iq" and type == "get" then -- disco requests | |
| 313 local xmlns = stanza.tags[1].attr.xmlns; | |
| 314 if xmlns == "http://jabber.org/protocol/disco#info" then | |
| 315 origin.send(room_get_disco_info(self, stanza)); | |
| 316 elseif xmlns == "http://jabber.org/protocol/disco#items" then | |
| 317 origin.send(room_get_disco_items(self, stanza)); | |
| 318 else | |
| 319 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); | |
| 320 end | |
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321 elseif stanza.name == "iq" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#admin" then |
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322 local actor = stanza.attr.from; |
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323 local affiliation = self:get_affiliation(actor); |
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324 local current_nick = self._jid_nick[actor]; |
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325 local role = current_nick and self._occupants[current_nick].role or self:get_default_role(affiliation); |
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326 local item = stanza.tags[1] and stanza.tags[1].tags[1]; |
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327 if item and item.name == "item" then |
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328 if type == "set" then |
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329 local callback = function() origin.send(st.reply(stanza)); end |
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330 if item.attr.affiliation and item.attr.jid and not item.attr.role and not item.attr.nick then |
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331 local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback); |
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332 if not success then origin.send(st.error_reply(stanza, errtype, err)); end |
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333 elseif item.attr.role and item.attr.nick and not item.attr.affiliation and not item.attr.jid then |
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334 local success, errtype, err = self:set_role(actor, item.attr.nick, item.attr.role, callback); |
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335 if not success then origin.send(st.error_reply(stanza, errtype, err)); end |
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336 else |
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337 origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
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338 end |
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339 elseif type == "get" then |
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340 local _aff = item.attr.affiliation; |
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341 local _rol = item.attr.role; |
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342 if _aff and not _rol then |
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343 if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then |
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344 local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); |
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345 for jid, affiliation in pairs(self._affiliations) do |
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346 if affiliation == _aff then |
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347 reply:tag("item", {affiliation = _aff, jid = jid}):up(); |
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348 end |
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349 end |
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350 origin.send(reply); |
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351 else |
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352 origin.send(st.error_reply(stanza, "auth", "forbidden")); |
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353 end |
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354 elseif _rol and not _aff then |
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355 if role == "moderator" then -- TODO allow admins and owners not in room? Provide read-only access to everyone who can see the participants anyway? |
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356 if _rol == "none" then _rol = nil; end |
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357 local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); |
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358 for nick, occupant in pairs(self._occupants) do |
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359 if occupant.role == _rol then |
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360 reply:tag("item", {nick = nick, role = _rol or "none", affiliation = occupant.affiliation or "none", jid = occupant.jid}):up(); |
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361 end |
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362 end |
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363 origin.send(reply); |
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364 else |
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365 origin.send(st.error_reply(stanza, "auth", "forbidden")); |
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366 end |
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367 else |
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368 origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
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369 end |
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370 end |
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371 elseif type == "set" or type == "get" then |
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372 origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
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373 end |
| 1734 | 374 elseif stanza.name == "message" and type == "groupchat" then |
| 375 local from, to = stanza.attr.from, stanza.attr.to; | |
| 376 local room = jid_bare(to); | |
| 377 local current_nick = self._jid_nick[from]; | |
| 378 if not current_nick then -- not in room | |
| 379 origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); | |
| 380 else | |
| 381 local from = stanza.attr.from; | |
| 382 stanza.attr.from = current_nick; | |
| 383 local subject = getText(stanza, {"subject"}); | |
| 384 if subject then | |
| 385 self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza | |
| 386 else | |
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387 self:broadcast_message(stanza, true); |
| 1734 | 388 end |
| 389 end | |
| 390 elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick | |
| 391 local to = stanza.attr.to; | |
| 392 local current_nick = self._jid_nick[stanza.attr.from]; | |
| 393 if current_nick then | |
| 394 stanza.attr.to = current_nick; | |
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395 self:handle_to_occupant(origin, stanza); |
| 1734 | 396 stanza.attr.to = to; |
| 397 elseif type ~= "error" and type ~= "result" then | |
| 398 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); | |
| 399 end | |
| 400 elseif stanza.name == "message" and not stanza.attr.type and #stanza.tags == 1 and self._jid_nick[stanza.attr.from] | |
| 401 and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" and #stanza.tags[1].tags == 1 | |
| 402 and stanza.tags[1].tags[1].name == "invite" and stanza.tags[1].tags[1].attr.to then | |
| 403 local _from, _to = stanza.attr.from, stanza.attr.to; | |
| 404 local _invitee = stanza.tags[1].tags[1].attr.to; | |
| 405 stanza.attr.from, stanza.attr.to = _to, _invitee; | |
| 406 stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = _from, nil; | |
| 407 self:route_stanza(stanza); | |
| 408 stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = nil, _invitee; | |
| 409 stanza.attr.from, stanza.attr.to = _from, _to; | |
| 410 else | |
| 411 if type == "error" or type == "result" then return; end | |
| 412 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); | |
| 413 end | |
| 414 end | |
| 415 | |
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416 function room_mt:handle_stanza(origin, stanza) |
| 1734 | 417 local to_node, to_host, to_resource = jid_split(stanza.attr.to); |
| 418 if to_resource then | |
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419 self:handle_to_occupant(origin, stanza); |
| 1734 | 420 else |
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421 self:handle_to_room(origin, stanza); |
| 1734 | 422 end |
| 423 end | |
| 424 | |
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425 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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426 |
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427 function room_mt:get_affiliation(jid) |
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428 local node, host, resource = jid_split(jid); |
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429 local bare = node and node.."@"..host or host; |
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430 local result = self._affiliations[bare]; -- Affiliations are granted, revoked, and maintained based on the user's bare JID. |
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431 if not result and self._affiliations[host] == "outcast" then result = "outcast"; end -- host banned |
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432 return result; |
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433 end |
|
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434 function room_mt:set_affiliation(actor, jid, affiliation, callback) |
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435 jid = jid_bare(jid); |
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436 if affiliation == "none" then affiliation = nil; end |
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437 if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then |
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438 return nil, "modify", "not-acceptable"; |
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439 end |
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440 if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end |
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441 if jid_bare(actor) == jid then return nil, "cancel", "not-allowed"; end |
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442 self._affiliations[jid] = affiliation; |
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443 local role = self:get_default_role(affiliation); |
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444 local p = st.presence({type = "unavailable"}) |
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445 :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) |
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446 :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up(); |
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447 local x = p.tags[1]; |
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448 local item = x.tags[1]; |
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449 if not role then -- getting kicked |
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450 if affiliation == "outcast" then |
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451 x:tag("status", {code="301"}):up(); -- banned |
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452 else |
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453 x:tag("status", {code="321"}):up(); -- affiliation change |
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454 end |
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455 end |
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456 local modified_nicks = {}; |
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457 for nick, occupant in pairs(self._occupants) do |
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458 if jid_bare(occupant.jid) == jid then |
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459 if not role then -- getting kicked |
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460 self._occupants[nick] = nil; |
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461 else |
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462 t_insert(modified_nicks, nick); |
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463 occupant.affiliation, occupant.role = affiliation, role; |
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464 end |
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465 p.attr.from = nick; |
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466 for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick |
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467 if not role then self._jid_nick[jid] = nil; end |
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468 p.attr.to = jid; |
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469 self:route_stanza(p); |
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470 end |
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471 end |
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472 end |
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473 if callback then callback(); end |
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474 for _, nick in ipairs(modified_nicks) do |
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475 p.attr.from = nick; |
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476 self:broadcast_except_nick(p, nick); |
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477 end |
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478 return true; |
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479 end |
| 1734 | 480 |
|
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481 function room_mt:get_role(nick) |
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482 local session = self._occupants[nick]; |
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483 return session and session.role or nil; |
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484 end |
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485 function room_mt:set_role(actor, nick, role, callback) |
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486 if role and role ~= "moderator" and role ~= "participant" and role ~= "visitor" then return nil, "modify", "not-acceptable"; end |
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487 if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end |
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488 local occupant = self._occupants[nick]; |
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489 if not occupant then return nil, "modify", "not-acceptable"; end |
|
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490 if occupant.affiliation == "owner" or occupant.affiliation == "admin" then return nil, "cancel", "not-allowed"; end |
|
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491 local p = st.presence({from = nick, type = "unavailable"}) |
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492 :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) |
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493 :tag("item", {affiliation=occupant.affiliation or "none", nick=nick, role=role or "none"}):up(); |
|
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494 if not role then -- kick |
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495 self._occupants[nick] = nil; |
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496 for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick |
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497 self._jid_nick[jid] = nil; |
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498 end |
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499 p:tag("status", {code = "307"}):up(); |
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500 else |
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501 occupant.role = role; |
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502 end |
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503 for jid in pairs(occupant.sessions) do -- send to all sessions of the nick |
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504 p.attr.to = jid; |
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505 self:route_stanza(p); |
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506 end |
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507 if callback then callback(); end |
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508 self:broadcast_except_nick(p, nick); |
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509 return true; |
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510 end |
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511 |
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512 local _M = {}; -- module "muc" |
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513 |
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514 function _M:new_room(jid) |
|
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515 return setmetatable({ |
| 1734 | 516 jid = jid; |
| 517 _jid_nick = {}; | |
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518 _occupants = {}; |
| 1734 | 519 _data = {}; |
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520 _affiliations = {}; |
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521 }, room_mt); |
| 1734 | 522 end |
| 523 | |
| 524 return _M; | |
| 525 | |
| 526 --[[function get_disco_info(stanza) | |
| 527 return st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info") | |
| 528 :tag("identity", {category='conference', type='text', name=muc_name}):up() | |
| 529 :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply | |
| 530 end | |
| 531 function get_disco_items(stanza) | |
| 532 local reply = st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items"); | |
| 533 for room in pairs(rooms_info:get()) do | |
| 534 reply:tag("item", {jid=room, name=rooms_info:get(room, "name")}):up(); | |
| 535 end | |
| 536 return reply; -- TODO cache disco reply | |
| 537 end]] | |
| 538 | |
| 539 --[[function handle_to_domain(origin, stanza) | |
| 540 local type = stanza.attr.type; | |
| 541 if type == "error" or type == "result" then return; end | |
| 542 if stanza.name == "iq" and type == "get" then | |
| 543 local xmlns = stanza.tags[1].attr.xmlns; | |
| 544 if xmlns == "http://jabber.org/protocol/disco#info" then | |
| 545 origin.send(get_disco_info(stanza)); | |
| 546 elseif xmlns == "http://jabber.org/protocol/disco#items" then | |
| 547 origin.send(get_disco_items(stanza)); | |
| 548 else | |
| 549 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc | |
| 550 end | |
| 551 else | |
| 552 origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it")); | |
| 553 end | |
| 554 end | |
| 555 | |
| 556 register_component(muc_domain, function(origin, stanza) | |
| 557 local to_node, to_host, to_resource = jid_split(stanza.attr.to); | |
| 558 if to_resource and not to_node then | |
| 559 if type == "error" or type == "result" then return; end | |
| 560 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- host/resource | |
| 561 elseif to_resource then | |
| 562 handle_to_occupant(origin, stanza); | |
| 563 elseif to_node then | |
| 564 handle_to_room(origin, stanza) | |
| 565 else -- to the main muc domain | |
| 566 if type == "error" or type == "result" then return; end | |
| 567 handle_to_domain(origin, stanza); | |
| 568 end | |
| 569 end);]] | |
| 570 | |
| 571 --[[module.unload = function() | |
| 572 deregister_component(muc_domain); | |
| 573 end | |
| 574 module.save = function() | |
| 575 return {rooms = rooms.data; jid_nick = jid_nick.data; rooms_info = rooms_info.data; persist_list = persist_list}; | |
| 576 end | |
| 577 module.restore = function(data) | |
| 578 rooms.data, jid_nick.data, rooms_info.data, persist_list = | |
| 579 data.rooms or {}, data.jid_nick or {}, data.rooms_info or {}, data.persist_list or {}; | |
| 580 end]] |
