Software / code / prosody
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plugins/muc/muc.lib.lua @ 1826:de165b5de254
MUC: Added multi-session support to the room-exiting occupant use case.
| author | Waqas Hussain <waqas20@gmail.com> |
|---|---|
| date | Fri, 25 Sep 2009 12:39:28 +0500 |
| parent | 1825:f67e4bfc62f1 |
| child | 1862:115f274dd17f |
| 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; |
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19 local base64 = require "util.encodings".base64; |
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20 local md5 = require "util.hashes".md5; |
| 1734 | 21 |
| 22 local muc_domain = nil; --module:get_host(); | |
| 23 local history_length = 20; | |
| 24 | |
| 25 ------------ | |
| 26 local function filter_xmlns_from_array(array, filters) | |
| 27 local count = 0; | |
| 28 for i=#array,1,-1 do | |
| 29 local attr = array[i].attr; | |
| 30 if filters[attr and attr.xmlns] then | |
| 31 t_remove(array, i); | |
| 32 count = count + 1; | |
| 33 end | |
| 34 end | |
| 35 return count; | |
| 36 end | |
| 37 local function filter_xmlns_from_stanza(stanza, filters) | |
| 38 if filters then | |
| 39 if filter_xmlns_from_array(stanza.tags, filters) ~= 0 then | |
| 40 return stanza, filter_xmlns_from_array(stanza, filters); | |
| 41 end | |
| 42 end | |
| 43 return stanza, 0; | |
| 44 end | |
| 45 local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true}; | |
| 46 local function get_filtered_presence(stanza) | |
| 47 return filter_xmlns_from_stanza(st.clone(stanza), presence_filters); | |
| 48 end | |
| 49 local kickable_error_conditions = { | |
| 50 ["gone"] = true; | |
| 51 ["internal-server-error"] = true; | |
| 52 ["item-not-found"] = true; | |
| 53 ["jid-malformed"] = true; | |
| 54 ["recipient-unavailable"] = true; | |
| 55 ["redirect"] = true; | |
| 56 ["remote-server-not-found"] = true; | |
| 57 ["remote-server-timeout"] = true; | |
| 58 ["service-unavailable"] = true; | |
| 59 }; | |
| 60 local function get_kickable_error(stanza) | |
| 61 for _, tag in ipairs(stanza.tags) do | |
| 62 if tag.name == "error" and tag.attr.xmlns == "jabber:client" then | |
| 63 for _, cond in ipairs(tag.tags) do | |
| 64 if cond.attr.xmlns == "urn:ietf:params:xml:ns:xmpp-stanzas" then | |
| 65 return kickable_error_conditions[cond.name] and cond.name; | |
| 66 end | |
| 67 end | |
| 68 return true; -- malformed error message | |
| 69 end | |
| 70 end | |
| 71 return true; -- malformed error message | |
| 72 end | |
| 73 local function getUsingPath(stanza, path, getText) | |
| 74 local tag = stanza; | |
| 75 for _, name in ipairs(path) do | |
| 76 if type(tag) ~= 'table' then return; end | |
| 77 tag = tag:child_with_name(name); | |
| 78 end | |
| 79 if tag and getText then tag = table.concat(tag); end | |
| 80 return tag; | |
| 81 end | |
| 82 local function getTag(stanza, path) return getUsingPath(stanza, path); end | |
| 83 local function getText(stanza, path) return getUsingPath(stanza, path, true); end | |
| 84 ----------- | |
| 85 | |
| 86 --[[function get_room_disco_info(room, stanza) | |
| 87 return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info") | |
| 88 :tag("identity", {category='conference', type='text', name=room._data["name"]):up() | |
| 89 :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply | |
| 90 end | |
| 91 function get_room_disco_items(room, stanza) | |
| 92 return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items"); | |
| 93 end -- TODO allow non-private rooms]] | |
| 94 | |
| 95 -- | |
| 96 | |
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97 local room_mt = {}; |
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98 room_mt.__index = room_mt; |
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99 |
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100 function room_mt:get_default_role(affiliation) |
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101 if affiliation == "owner" or affiliation == "admin" then |
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102 return "moderator"; |
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103 elseif affiliation == "member" or not affiliation then |
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104 return "participant"; |
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105 end |
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106 end |
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107 |
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108 function room_mt:broadcast_presence(stanza, code, nick) |
| 1734 | 109 stanza = get_filtered_presence(stanza); |
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110 local occupant = self._occupants[stanza.attr.from]; |
| 1734 | 111 stanza:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) |
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112 :tag("item", {affiliation=occupant.affiliation, role=occupant.role, nick=nick}):up(); |
| 1734 | 113 if code then |
| 114 stanza:tag("status", {code=code}):up(); | |
| 115 end | |
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116 self:broadcast_except_nick(stanza, stanza.attr.from); |
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117 local me = self._occupants[stanza.attr.from]; |
| 1734 | 118 if me then |
| 119 stanza:tag("status", {code='110'}); | |
| 120 for jid in pairs(me.sessions) do | |
| 121 stanza.attr.to = jid; | |
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122 self:route_stanza(stanza); |
| 1734 | 123 end |
| 124 end | |
| 125 end | |
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126 function room_mt:broadcast_message(stanza, historic) |
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127 for occupant, o_data in pairs(self._occupants) do |
| 1734 | 128 for jid in pairs(o_data.sessions) do |
| 129 stanza.attr.to = jid; | |
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130 self:route_stanza(stanza); |
| 1734 | 131 end |
| 132 end | |
| 133 if historic then -- add to history | |
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134 local history = self._data['history']; |
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135 if not history then history = {}; self._data['history'] = history; end |
| 1734 | 136 -- stanza = st.clone(stanza); |
| 137 stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203 | |
| 138 stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated) | |
| 139 t_insert(history, st.clone(st.preserialize(stanza))); | |
| 140 while #history > history_length do t_remove(history, 1) end | |
| 141 end | |
| 142 end | |
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143 function room_mt:broadcast_except_nick(stanza, nick) |
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144 for rnick, occupant in pairs(self._occupants) do |
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145 if rnick ~= nick then |
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146 for jid in pairs(occupant.sessions) do |
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147 stanza.attr.to = jid; |
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148 self:route_stanza(stanza); |
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149 end |
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150 end |
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151 end |
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152 end |
| 1734 | 153 |
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154 function room_mt:send_occupant_list(to) |
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155 local current_nick = self._jid_nick[to]; |
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156 for occupant, o_data in pairs(self._occupants) do |
| 1734 | 157 if occupant ~= current_nick then |
| 158 local pres = get_filtered_presence(o_data.sessions[o_data.jid]); | |
| 159 pres.attr.to, pres.attr.from = to, occupant; | |
| 160 pres:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) | |
| 161 :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up(); | |
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162 self:route_stanza(pres); |
| 1734 | 163 end |
| 164 end | |
| 165 end | |
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166 function room_mt:send_history(to) |
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167 local history = self._data['history']; -- send discussion history |
| 1734 | 168 if history then |
| 169 for _, msg in ipairs(history) do | |
| 170 msg = st.deserialize(msg); | |
| 171 msg.attr.to=to; | |
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172 self:route_stanza(msg); |
| 1734 | 173 end |
| 174 end | |
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175 if self._data['subject'] then |
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176 self:route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject'])); |
| 1734 | 177 end |
| 178 end | |
| 179 | |
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180 local function room_get_disco_info(self, stanza) |
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181 return st.reply(stanza):query("http://jabber.org/protocol/disco#info") |
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182 :tag("identity", {category="conference", type="text"}):up() |
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183 :tag("feature", {var="http://jabber.org/protocol/muc"}); |
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184 end |
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185 local function room_get_disco_items(self, stanza) |
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186 return st.reply(stanza):query("http://jabber.org/protocol/disco#items"); |
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187 end |
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188 function room_mt:set_subject(current_nick, subject) |
| 1734 | 189 -- TODO check nick's authority |
| 190 if subject == "" then subject = nil; end | |
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191 self._data['subject'] = subject; |
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192 if self.save then self:save(); end |
| 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 occupant = self._occupants[current_nick]; |
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219 local old_session = occupant.sessions[from]; |
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220 local new_jid = next(occupant.sessions); |
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221 if new_jid == from then new_jid = next(occupant.sessions, new_jid); end |
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222 if new_jid then |
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223 occupant.jid = new_jid; |
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224 occupant.sessions[from] = nil; |
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225 local pr = st.clone(occupant[new_jid]) |
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226 :tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) |
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227 :tag("item", {affiliation=occupant.affiliation, role=occupant.role}); |
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228 self:broadcast_except_nick(pr, current_nick); |
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229 else |
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230 occupant.role = 'none'; |
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231 self:broadcast_presence(pr); |
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232 self._occupants[current_nick] = nil; |
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233 end |
| 1734 | 234 self._jid_nick[from] = nil; |
| 235 end | |
| 236 elseif not type then -- available | |
| 237 if current_nick then | |
| 238 --if #pr == #stanza or current_nick ~= to then -- commented because google keeps resending directed presence | |
| 239 if current_nick == to then -- simple presence | |
| 240 log("debug", "%s broadcasted presence", current_nick); | |
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241 self._occupants[current_nick].sessions[from] = pr; |
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242 self:broadcast_presence(pr); |
| 1734 | 243 else -- change nick |
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244 if self._occupants[to] then |
| 1734 | 245 log("debug", "%s couldn't change nick", current_nick); |
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246 local reply = st.error_reply(stanza, "cancel", "conflict"):up(); |
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247 reply.tags[1].attr.code = "409"; |
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248 origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); |
| 1734 | 249 else |
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250 local data = self._occupants[current_nick]; |
| 1734 | 251 local to_nick = select(3, jid_split(to)); |
| 252 if to_nick then | |
| 253 log("debug", "%s (%s) changing nick to %s", current_nick, data.jid, to); | |
| 254 local p = st.presence({type='unavailable', from=current_nick}); | |
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255 self:broadcast_presence(p, '303', to_nick); |
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256 self._occupants[current_nick] = nil; |
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257 self._occupants[to] = data; |
| 1734 | 258 self._jid_nick[from] = to; |
| 259 pr.attr.from = to; | |
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260 self._occupants[to].sessions[from] = pr; |
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261 self:broadcast_presence(pr); |
| 1734 | 262 else |
| 263 --TODO malformed-jid | |
| 264 end | |
| 265 end | |
| 266 end | |
| 267 --else -- possible rejoin | |
| 268 -- log("debug", "%s had connection replaced", current_nick); | |
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269 -- self:handle_to_occupant(origin, st.presence({type='unavailable', from=from, to=to}) |
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270 -- :tag('status'):text('Replaced by new connection'):up()); -- send unavailable |
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271 -- self:handle_to_occupant(origin, stanza); -- resend available |
| 1734 | 272 --end |
| 273 else -- enter room | |
| 274 local new_nick = to; | |
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275 if self._occupants[to] then |
| 1734 | 276 new_nick = nil; |
| 277 end | |
| 278 if not new_nick then | |
| 279 log("debug", "%s couldn't join due to nick conflict: %s", from, to); | |
|
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280 local reply = st.error_reply(stanza, "cancel", "conflict"):up(); |
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281 reply.tags[1].attr.code = "409"; |
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282 origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); |
| 1734 | 283 else |
| 284 log("debug", "%s joining as %s", from, to); | |
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285 if not next(self._affiliations) then -- new room, no owners |
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286 self._affiliations[jid_bare(from)] = "owner"; |
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287 end |
|
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288 local affiliation = self:get_affiliation(from); |
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289 local role = self:get_default_role(affiliation) |
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290 if role then -- new occupant |
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291 self._occupants[to] = {affiliation=affiliation, role=role, jid=from, sessions={[from]=get_filtered_presence(stanza)}}; |
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292 self._jid_nick[from] = to; |
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293 self:send_occupant_list(from); |
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294 pr.attr.from = to; |
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295 self:broadcast_presence(pr); |
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296 self:send_history(from); |
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297 else -- banned |
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298 local reply = st.error_reply(stanza, "auth", "forbidden"):up(); |
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299 reply.tags[1].attr.code = "403"; |
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300 origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); |
| 1734 | 301 end |
| 302 end | |
| 303 end | |
| 304 elseif type ~= 'result' then -- bad type | |
| 305 origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error? | |
| 306 end | |
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307 elseif not current_nick then -- not in room |
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308 if type == "error" or type == "result" then |
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309 local id = stanza.name == "iq" and stanza.attr.id and base64.decode(stanza.attr.id); |
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310 local _nick, _id, _hash = (id or ""):match("^(.+)%z(.*)%z(.+)$"); |
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311 local occupant = self._occupants[stanza.attr.to]; |
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312 if occupant and _nick and self._jid_nick[_nick] and _id and _hash then |
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313 local id, _to = stanza.attr.id; |
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314 for jid in pairs(occupant.sessions) do |
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315 if md5(jid) == _hash then |
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316 _to = jid; |
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317 break; |
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318 end |
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319 end |
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320 if _to then |
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321 stanza.attr.to, stanza.attr.from, stanza.attr.id = _to, self._jid_nick[_nick], _id; |
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322 self:route_stanza(stanza); |
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323 stanza.attr.to, stanza.attr.from, stanza.attr.id = to, from, id; |
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324 end |
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325 end |
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326 else |
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327 origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); |
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328 end |
| 1734 | 329 elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM |
| 330 origin.send(st.error_reply(stanza, "modify", "bad-request")); | |
| 331 else -- private stanza | |
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332 local o_data = self._occupants[to]; |
| 1734 | 333 if o_data then |
| 334 log("debug", "%s sent private stanza to %s (%s)", from, to, o_data.jid); | |
| 335 local jid = o_data.jid; | |
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336 local bare = jid_bare(jid); |
|
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337 stanza.attr.to, stanza.attr.from = jid, current_nick; |
|
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338 local id = stanza.attr.id; |
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339 if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' and bare ~= jid then |
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340 stanza.attr.to = bare; |
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341 stanza.attr.id = base64.encode(jid.."\0"..id.."\0"..md5(from)); |
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342 end |
| 1734 | 343 self:route_stanza(stanza); |
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344 stanza.attr.to, stanza.attr.from, stanza.attr.id = to, from, id; |
| 1734 | 345 elseif type ~= "error" and type ~= "result" then -- recipient not in room |
| 346 origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room")); | |
| 347 end | |
| 348 end | |
| 349 end | |
| 350 | |
|
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351 function room_mt:handle_form(origin, stanza) |
|
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352 if self:get_affiliation(stanza.attr.from) ~= "owner" then origin.send(st.error_reply(stanza, "auth", "forbidden")); return; end |
|
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353 if stanza.attr.type == "get" then |
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354 local title = "Configuration for "..self.jid; |
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355 origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner") |
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356 :tag("x", {xmlns='jabber:x:data', type='form'}) |
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357 :tag("title"):text(title):up() |
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358 :tag("instructions"):text(title):up() |
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359 :tag("field", {type='hidden', var='FORM_TYPE'}):tag("value"):text("http://jabber.org/protocol/muc#roomconfig"):up():up() |
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360 :tag("field", {type='boolean', label='Make Room Persistent?', var='muc#roomconfig_persistentroom'}) |
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361 :tag("value"):text(self._data.persistent and "1" or "0"):up() |
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362 :up() |
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|
363 :tag("field", {type='boolean', label='Make Room Publicly Searchable?', var='muc#roomconfig_publicroom'}) |
|
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364 :tag("value"):text(self._data.hidden and "0" or "1"):up() |
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365 :up() |
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366 ); |
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367 elseif stanza.attr.type == "set" then |
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368 local query = stanza.tags[1]; |
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369 local form; |
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370 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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371 if not form then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); return; end |
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372 if form.attr.type == "cancel" then origin.send(st.reply(stanza)); return; end |
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|
373 if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end |
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|
374 local fields = {}; |
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375 for _, field in pairs(form.tags) do |
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|
376 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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|
377 fields[field.attr.var] = field.tags[1][1] or ""; |
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378 end |
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379 end |
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|
380 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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|
381 |
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|
382 local persistent = fields['muc#roomconfig_persistentroom']; |
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|
383 if persistent == "0" or persistent == "false" then persistent = nil; elseif persistent == "1" or persistent == "true" then persistent = true; |
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|
384 else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end |
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|
385 self._data.persistent = persistent; |
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|
386 module:log("debug", "persistent=%s", tostring(persistent)); |
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|
387 |
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|
388 local public = fields['muc#roomconfig_publicroom']; |
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|
389 if public == "0" or public == "false" then public = nil; elseif public == "1" or public == "true" then public = true; |
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|
390 else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end |
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|
391 self._data.hidden = not public and true or nil; |
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|
392 |
|
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|
393 if self.save then self:save(true); end |
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|
394 origin.send(st.reply(stanza)); |
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395 end |
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|
396 end |
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|
397 |
|
1735
81406277279e
MUC: The MUC lib is now metatable based. Cleaned up code, etc.
Waqas Hussain <waqas20@gmail.com>
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1734
diff
changeset
|
398 function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc |
| 1734 | 399 local type = stanza.attr.type; |
|
1745
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MUC: Some fixes for minor bugs in IQ handling.
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|
400 local xmlns = stanza.tags[1] and stanza.tags[1].attr.xmlns; |
|
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changeset
|
401 if stanza.name == "iq" then |
|
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MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
402 if xmlns == "http://jabber.org/protocol/disco#info" and type == "get" then |
| 1734 | 403 origin.send(room_get_disco_info(self, stanza)); |
|
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diff
changeset
|
404 elseif xmlns == "http://jabber.org/protocol/disco#items" and type == "get" then |
| 1734 | 405 origin.send(room_get_disco_items(self, stanza)); |
|
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|
406 elseif xmlns == "http://jabber.org/protocol/muc#admin" then |
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diff
changeset
|
407 local actor = stanza.attr.from; |
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diff
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|
408 local affiliation = self:get_affiliation(actor); |
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|
409 local current_nick = self._jid_nick[actor]; |
|
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diff
changeset
|
410 local role = current_nick and self._occupants[current_nick].role or self:get_default_role(affiliation); |
|
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diff
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|
411 local item = stanza.tags[1].tags[1]; |
|
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diff
changeset
|
412 if item and item.name == "item" then |
|
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diff
changeset
|
413 if type == "set" then |
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diff
changeset
|
414 local callback = function() origin.send(st.reply(stanza)); end |
|
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diff
changeset
|
415 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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MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
416 local occupant = self._occupants[self.jid.."/"..item.attr.nick]; |
|
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diff
changeset
|
417 if occupant then item.attr.jid = occupant.jid; end |
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diff
changeset
|
418 end |
|
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diff
changeset
|
419 if item.attr.affiliation and item.attr.jid and not item.attr.role then |
|
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diff
changeset
|
420 local success, errtype, err = self:set_affiliation(actor, item.attr.jid, item.attr.affiliation, callback); |
|
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diff
changeset
|
421 if not success then origin.send(st.error_reply(stanza, errtype, err)); end |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
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diff
changeset
|
422 elseif item.attr.role and item.attr.nick and not item.attr.affiliation then |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
423 local success, errtype, err = self:set_role(actor, self.jid.."/"..item.attr.nick, item.attr.role, callback); |
|
a84901db4085
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diff
changeset
|
424 if not success then origin.send(st.error_reply(stanza, errtype, err)); end |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
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diff
changeset
|
425 else |
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MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
426 origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
|
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MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
427 end |
|
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MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
428 elseif type == "get" then |
|
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diff
changeset
|
429 local _aff = item.attr.affiliation; |
|
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diff
changeset
|
430 local _rol = item.attr.role; |
|
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diff
changeset
|
431 if _aff and not _rol then |
|
a84901db4085
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diff
changeset
|
432 if affiliation == "owner" or (affiliation == "admin" and _aff ~= "owner" and _aff ~= "admin") then |
|
a84901db4085
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diff
changeset
|
433 local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); |
|
a84901db4085
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diff
changeset
|
434 for jid, affiliation in pairs(self._affiliations) do |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
435 if affiliation == _aff then |
|
a84901db4085
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diff
changeset
|
436 reply:tag("item", {affiliation = _aff, jid = jid}):up(); |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
437 end |
|
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MUC: Refactored IQ handling to be more easily extensible.
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parents:
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diff
changeset
|
438 end |
|
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MUC: Refactored IQ handling to be more easily extensible.
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parents:
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diff
changeset
|
439 origin.send(reply); |
|
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parents:
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diff
changeset
|
440 else |
|
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parents:
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diff
changeset
|
441 origin.send(st.error_reply(stanza, "auth", "forbidden")); |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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parents:
1752
diff
changeset
|
442 end |
|
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MUC: Refactored IQ handling to be more easily extensible.
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parents:
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diff
changeset
|
443 elseif _rol and not _aff then |
|
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Waqas Hussain <waqas20@gmail.com>
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diff
changeset
|
444 if role == "moderator" then |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
parents:
1752
diff
changeset
|
445 -- TODO allow admins and owners not in room? Provide read-only access to everyone who can see the participants anyway? |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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parents:
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diff
changeset
|
446 if _rol == "none" then _rol = nil; end |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
changeset
|
447 local reply = st.reply(stanza):query("http://jabber.org/protocol/muc#admin"); |
|
a84901db4085
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Waqas Hussain <waqas20@gmail.com>
parents:
1752
diff
changeset
|
448 for nick, occupant in pairs(self._occupants) do |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
parents:
1752
diff
changeset
|
449 if occupant.role == _rol then |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
parents:
1752
diff
changeset
|
450 reply:tag("item", {nick = nick, role = _rol or "none", affiliation = occupant.affiliation or "none", jid = occupant.jid}):up(); |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
parents:
1752
diff
changeset
|
451 end |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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parents:
1752
diff
changeset
|
452 end |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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parents:
1752
diff
changeset
|
453 origin.send(reply); |
|
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parents:
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diff
changeset
|
454 else |
|
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parents:
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diff
changeset
|
455 origin.send(st.error_reply(stanza, "auth", "forbidden")); |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
parents:
1752
diff
changeset
|
456 end |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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parents:
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diff
changeset
|
457 else |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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diff
changeset
|
458 origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
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parents:
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diff
changeset
|
459 end |
|
1744
265863a5612b
MUC: Added support for requesting various lists (owner, admin, voice, etc).
Waqas Hussain <waqas20@gmail.com>
parents:
1743
diff
changeset
|
460 end |
|
1753
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diff
changeset
|
461 elseif type == "set" or type == "get" then |
|
a84901db4085
MUC: Refactored IQ handling to be more easily extensible.
Waqas Hussain <waqas20@gmail.com>
parents:
1752
diff
changeset
|
462 origin.send(st.error_reply(stanza, "cancel", "bad-request")); |
|
1742
1483a62d69bb
MUC: Owners can now modify roles and affiliations
Waqas Hussain <waqas20@gmail.com>
parents:
1740
diff
changeset
|
463 end |
|
1754
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464 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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465 self:handle_form(origin, stanza); |
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466 elseif type == "set" or type == "get" then |
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467 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); |
|
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468 end |
| 1734 | 469 elseif stanza.name == "message" and type == "groupchat" then |
| 470 local from, to = stanza.attr.from, stanza.attr.to; | |
| 471 local room = jid_bare(to); | |
| 472 local current_nick = self._jid_nick[from]; | |
| 473 if not current_nick then -- not in room | |
| 474 origin.send(st.error_reply(stanza, "cancel", "not-acceptable")); | |
| 475 else | |
| 476 local from = stanza.attr.from; | |
| 477 stanza.attr.from = current_nick; | |
| 478 local subject = getText(stanza, {"subject"}); | |
| 479 if subject then | |
| 480 self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza | |
| 481 else | |
|
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482 self:broadcast_message(stanza, true); |
| 1734 | 483 end |
| 484 end | |
|
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485 elseif stanza.name == "message" and type == "error" and get_kickable_error(stanza) then |
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486 local current_nick = self._jid_nick[stanza.attr.from]; |
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487 log("debug", "%s kicked from %s for sending an error message", current_nick, self.jid); |
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488 self:handle_to_occupant(origin, st.presence({type='unavailable', from=stanza.attr.from, to=stanza.attr.to}) |
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489 :tag('status'):text('This participant is kicked from the room because he sent an error message to another occupant')); -- send unavailable |
| 1734 | 490 elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick |
| 491 local to = stanza.attr.to; | |
| 492 local current_nick = self._jid_nick[stanza.attr.from]; | |
| 493 if current_nick then | |
| 494 stanza.attr.to = current_nick; | |
|
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495 self:handle_to_occupant(origin, stanza); |
| 1734 | 496 stanza.attr.to = to; |
| 497 elseif type ~= "error" and type ~= "result" then | |
| 498 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); | |
| 499 end | |
| 500 elseif stanza.name == "message" and not stanza.attr.type and #stanza.tags == 1 and self._jid_nick[stanza.attr.from] | |
| 501 and stanza.tags[1].name == "x" and stanza.tags[1].attr.xmlns == "http://jabber.org/protocol/muc#user" and #stanza.tags[1].tags == 1 | |
| 502 and stanza.tags[1].tags[1].name == "invite" and stanza.tags[1].tags[1].attr.to then | |
| 503 local _from, _to = stanza.attr.from, stanza.attr.to; | |
| 504 local _invitee = stanza.tags[1].tags[1].attr.to; | |
| 505 stanza.attr.from, stanza.attr.to = _to, _invitee; | |
| 506 stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = _from, nil; | |
| 507 self:route_stanza(stanza); | |
| 508 stanza.tags[1].tags[1].attr.from, stanza.tags[1].tags[1].attr.to = nil, _invitee; | |
| 509 stanza.attr.from, stanza.attr.to = _from, _to; | |
| 510 else | |
| 511 if type == "error" or type == "result" then return; end | |
| 512 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); | |
| 513 end | |
| 514 end | |
| 515 | |
|
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516 function room_mt:handle_stanza(origin, stanza) |
| 1734 | 517 local to_node, to_host, to_resource = jid_split(stanza.attr.to); |
| 518 if to_resource then | |
|
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519 self:handle_to_occupant(origin, stanza); |
| 1734 | 520 else |
|
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521 self:handle_to_room(origin, stanza); |
| 1734 | 522 end |
| 523 end | |
| 524 | |
|
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525 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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526 |
|
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527 function room_mt:get_affiliation(jid) |
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528 local node, host, resource = jid_split(jid); |
|
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529 local bare = node and node.."@"..host or host; |
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530 local result = self._affiliations[bare]; -- Affiliations are granted, revoked, and maintained based on the user's bare JID. |
|
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531 if not result and self._affiliations[host] == "outcast" then result = "outcast"; end -- host banned |
|
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|
532 return result; |
|
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533 end |
|
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|
534 function room_mt:set_affiliation(actor, jid, affiliation, callback) |
|
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535 jid = jid_bare(jid); |
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|
536 if affiliation == "none" then affiliation = nil; end |
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537 if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then |
|
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|
538 return nil, "modify", "not-acceptable"; |
|
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|
539 end |
|
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diff
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|
540 if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end |
|
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diff
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|
541 if jid_bare(actor) == jid then return nil, "cancel", "not-allowed"; end |
|
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diff
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|
542 self._affiliations[jid] = affiliation; |
|
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|
543 local role = self:get_default_role(affiliation); |
|
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diff
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|
544 local p = st.presence() |
|
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diff
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|
545 :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) |
|
1744
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diff
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|
546 :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up(); |
|
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547 local x = p.tags[1]; |
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diff
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|
548 local item = x.tags[1]; |
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diff
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|
549 if not role then -- getting kicked |
|
1750
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MUC: Fixed: Unavailable presence was being sent for all role and affiliation changes. Now sent only for kicked occupants.
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diff
changeset
|
550 p.attr.type = "unavailable"; |
|
1742
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diff
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|
551 if affiliation == "outcast" then |
|
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diff
changeset
|
552 x:tag("status", {code="301"}):up(); -- banned |
|
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diff
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|
553 else |
|
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diff
changeset
|
554 x:tag("status", {code="321"}):up(); -- affiliation change |
|
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diff
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|
555 end |
|
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diff
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|
556 end |
|
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diff
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|
557 local modified_nicks = {}; |
|
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1740
diff
changeset
|
558 for nick, occupant in pairs(self._occupants) do |
|
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diff
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|
559 if jid_bare(occupant.jid) == jid then |
|
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diff
changeset
|
560 if not role then -- getting kicked |
|
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diff
changeset
|
561 self._occupants[nick] = nil; |
|
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|
562 else |
|
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diff
changeset
|
563 t_insert(modified_nicks, nick); |
|
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diff
changeset
|
564 occupant.affiliation, occupant.role = affiliation, role; |
|
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diff
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|
565 end |
|
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diff
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|
566 p.attr.from = nick; |
|
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diff
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|
567 for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick |
|
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diff
changeset
|
568 if not role then self._jid_nick[jid] = nil; end |
|
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diff
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|
569 p.attr.to = jid; |
|
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diff
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|
570 self:route_stanza(p); |
|
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diff
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|
571 end |
|
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diff
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|
572 end |
|
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diff
changeset
|
573 end |
|
1755
1614e8e62ad5
MUC: Fixed an undefined global access.
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parents:
1754
diff
changeset
|
574 if self.save then self:save(); end |
|
1742
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diff
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|
575 if callback then callback(); end |
|
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diff
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|
576 for _, nick in ipairs(modified_nicks) do |
|
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diff
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|
577 p.attr.from = nick; |
|
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diff
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|
578 self:broadcast_except_nick(p, nick); |
|
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diff
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|
579 end |
|
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diff
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|
580 return true; |
|
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diff
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|
581 end |
| 1734 | 582 |
|
1742
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diff
changeset
|
583 function room_mt:get_role(nick) |
|
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diff
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|
584 local session = self._occupants[nick]; |
|
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|
585 return session and session.role or nil; |
|
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diff
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|
586 end |
|
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diff
changeset
|
587 function room_mt:set_role(actor, nick, role, callback) |
|
1752
4db786919805
MUC: Added kicking support.
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parents:
1751
diff
changeset
|
588 if role == "none" then role = nil; end |
|
1742
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diff
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|
589 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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|
590 if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end |
|
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|
591 local occupant = self._occupants[nick]; |
|
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diff
changeset
|
592 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.
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1742
diff
changeset
|
593 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.
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diff
changeset
|
594 local p = st.presence({from = nick}) |
|
1742
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diff
changeset
|
595 :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) |
|
1744
265863a5612b
MUC: Added support for requesting various lists (owner, admin, voice, etc).
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diff
changeset
|
596 :tag("item", {affiliation=occupant.affiliation or "none", nick=nick, role=role or "none"}):up(); |
|
1742
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diff
changeset
|
597 if not role then -- kick |
|
1750
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MUC: Fixed: Unavailable presence was being sent for all role and affiliation changes. Now sent only for kicked occupants.
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diff
changeset
|
598 p.attr.type = "unavailable"; |
|
1742
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|
599 self._occupants[nick] = nil; |
|
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diff
changeset
|
600 for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick |
|
1483a62d69bb
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601 self._jid_nick[jid] = nil; |
|
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602 end |
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parents:
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diff
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|
603 p:tag("status", {code = "307"}):up(); |
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604 else |
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MUC: Owners can now modify roles and affiliations
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605 occupant.role = role; |
|
1483a62d69bb
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|
606 end |
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MUC: Owners can now modify roles and affiliations
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parents:
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diff
changeset
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607 for jid in pairs(occupant.sessions) do -- send to all sessions of the nick |
|
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Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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608 p.attr.to = jid; |
|
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|
609 self:route_stanza(p); |
|
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parents:
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diff
changeset
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610 end |
|
1483a62d69bb
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parents:
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|
611 if callback then callback(); end |
|
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diff
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612 self:broadcast_except_nick(p, nick); |
|
1737
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MUC: Initial support for roles and affiliations
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diff
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613 return true; |
|
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MUC: Initial support for roles and affiliations
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parents:
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614 end |
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parents:
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|
615 |
|
31c3eb5797c7
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616 local _M = {}; -- module "muc" |
|
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MUC: Initial support for roles and affiliations
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parents:
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617 |
|
1749
cf2ade983e12
MUC: Changed a MUC library method into a function.
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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|
618 function _M.new_room(jid) |
|
1735
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MUC: The MUC lib is now metatable based. Cleaned up code, etc.
Waqas Hussain <waqas20@gmail.com>
parents:
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|
619 return setmetatable({ |
| 1734 | 620 jid = jid; |
| 621 _jid_nick = {}; | |
|
1739
393abf245322
MUC: Renamed _participants table to _occupants
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parents:
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diff
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|
622 _occupants = {}; |
| 1734 | 623 _data = {}; |
|
1737
31c3eb5797c7
MUC: Initial support for roles and affiliations
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624 _affiliations = {}; |
|
1735
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parents:
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diff
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|
625 }, room_mt); |
| 1734 | 626 end |
| 627 | |
| 628 return _M; |
