diff options
Diffstat (limited to 'plugins/muc/muc.lib.lua')
| -rw-r--r-- | plugins/muc/muc.lib.lua | 485 |
1 files changed, 380 insertions, 105 deletions
diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua index 18c80325..647bf915 100644 --- a/plugins/muc/muc.lib.lua +++ b/plugins/muc/muc.lib.lua @@ -6,9 +6,14 @@ -- COPYING file in the source package for more information. -- +local select = select; +local pairs, ipairs = pairs, ipairs; + local datamanager = require "util.datamanager"; local datetime = require "util.datetime"; +local dataform = require "util.dataforms"; + local jid_split = require "util.jid".split; local jid_bare = require "util.jid".bare; local jid_prep = require "util.jid".prep; @@ -21,7 +26,7 @@ local base64 = require "util.encodings".base64; local md5 = require "util.hashes".md5; local muc_domain = nil; --module:get_host(); -local history_length = 20; +local default_history_length = 20; ------------ local function filter_xmlns_from_array(array, filters) @@ -88,8 +93,12 @@ room_mt.__index = room_mt; function room_mt:get_default_role(affiliation) if affiliation == "owner" or affiliation == "admin" then return "moderator"; - elseif affiliation == "member" or not affiliation then + elseif affiliation == "member" then return "participant"; + elseif not affiliation then + if not self:is_members_only() then + return self:is_moderated() and "visitor" or "participant"; + end end end @@ -104,7 +113,7 @@ function room_mt:broadcast_presence(stanza, sid, code, nick) self:broadcast_except_nick(stanza, stanza.attr.from); local me = self._occupants[stanza.attr.from]; if me then - stanza:tag("status", {code='110'}); + stanza:tag("status", {code='110'}):up(); stanza.attr.to = sid; self:_route_stanza(stanza); end @@ -122,10 +131,14 @@ function room_mt:broadcast_message(stanza, historic) local history = self._data['history']; if not history then history = {}; self._data['history'] = history; end stanza = st.clone(stanza); - stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203 + stanza.attr.to = ""; + local stamp = datetime.datetime(); + local chars = #tostring(stanza); + stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = stamp}):up(); -- XEP-0203 stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated) - t_insert(history, st.preserialize(stanza)); - while #history > history_length do t_remove(history, 1) end + local entry = { stanza = stanza, stamp = stamp }; + t_insert(history, entry); + while #history > (self._data.history_length or default_history_length) do t_remove(history, 1) end end end function room_mt:broadcast_except_nick(stanza, nick) @@ -151,24 +164,69 @@ function room_mt:send_occupant_list(to) end end end -function room_mt:send_history(to) +function room_mt:send_history(to, stanza) local history = self._data['history']; -- send discussion history if history then - for _, msg in ipairs(history) do - msg = st.deserialize(msg); - msg.attr.to=to; + local x_tag = stanza and stanza:get_child("x", "http://jabber.org/protocol/muc"); + local history_tag = x_tag and x_tag:get_child("history", "http://jabber.org/protocol/muc"); + + local maxchars = history_tag and tonumber(history_tag.attr.maxchars); + if maxchars then maxchars = math.floor(maxchars); end + + local maxstanzas = math.floor(history_tag and tonumber(history_tag.attr.maxstanzas) or #history); + if not history_tag then maxstanzas = 20; end + + local seconds = history_tag and tonumber(history_tag.attr.seconds); + if seconds then seconds = datetime.datetime(os.time() - math.floor(seconds)); end + + local since = history_tag and history_tag.attr.since; + if since then since = datetime.parse(since); since = since and datetime.datetime(since); end + if seconds and (not since or since < seconds) then since = seconds; end + + local n = 0; + local charcount = 0; + local stanzacount = 0; + + for i=#history,1,-1 do + local entry = history[i]; + if maxchars then + if not entry.chars then + entry.stanza.attr.to = ""; + entry.chars = #tostring(entry.stanza); + end + charcount = charcount + entry.chars + #to; + if charcount > maxchars then break; end + end + if since and since > entry.stamp then break; end + if n + 1 > maxstanzas then break; end + n = n + 1; + end + for i=#history-n+1,#history do + local msg = history[i].stanza; + msg.attr.to = to; self:_route_stanza(msg); end end if self._data['subject'] then - self:_route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject'])); + self:_route_stanza(st.message({type='groupchat', from=self._data['subject_from'] or self.jid, to=to}):tag("subject"):text(self._data['subject'])); end end function room_mt:get_disco_info(stanza) return st.reply(stanza):query("http://jabber.org/protocol/disco#info") - :tag("identity", {category="conference", type="text"}):up() - :tag("feature", {var="http://jabber.org/protocol/muc"}); + :tag("identity", {category="conference", type="text", name=self:get_name()}):up() + :tag("feature", {var="http://jabber.org/protocol/muc"}):up() + :tag("feature", {var=self:get_password() and "muc_passwordprotected" or "muc_unsecured"}):up() + :tag("feature", {var=self:is_moderated() and "muc_moderated" or "muc_unmoderated"}):up() + :tag("feature", {var=self:is_members_only() and "muc_membersonly" or "muc_open"}):up() + :tag("feature", {var=self:is_persistent() and "muc_persistent" or "muc_temporary"}):up() + :tag("feature", {var=self:is_hidden() and "muc_hidden" or "muc_public"}):up() + :tag("feature", {var=self._data.whois ~= "anyone" and "muc_semianonymous" or "muc_nonanonymous"}):up() + :add_child(dataform.new({ + { name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/muc#roominfo" }, + { name = "muc#roominfo_description", label = "Description"} + }):form({["muc#roominfo_description"] = self:get_description()}, 'result')) + ; end function room_mt:get_disco_items(stanza) local reply = st.reply(stanza):query("http://jabber.org/protocol/disco#items"); @@ -181,6 +239,7 @@ function room_mt:set_subject(current_nick, subject) -- TODO check nick's authority if subject == "" then subject = nil; end self._data['subject'] = subject; + self._data['subject_from'] = current_nick; if self.save then self:save(); end local msg = st.message({type='groupchat', from=current_nick}) :tag('subject'):text(subject):up(); @@ -190,7 +249,7 @@ end local function build_unavailable_presence_from_error(stanza) local type, condition, text = stanza:get_error(); - local error_message = "Kicked: "..condition:gsub("%-", " "); + local error_message = "Kicked: "..(condition and condition:gsub("%-", " ") or "presence error"); if text then error_message = error_message..": "..text; end @@ -198,6 +257,87 @@ local function build_unavailable_presence_from_error(stanza) :tag('status'):text(error_message); end +function room_mt:set_name(name) + if name == "" or type(name) ~= "string" or name == (jid_split(self.jid)) then name = nil; end + if self._data.name ~= name then + self._data.name = name; + if self.save then self:save(true); end + end +end +function room_mt:get_name() + return self._data.name or jid_split(self.jid); +end +function room_mt:set_description(description) + if description == "" or type(description) ~= "string" then description = nil; end + if self._data.description ~= description then + self._data.description = description; + if self.save then self:save(true); end + end +end +function room_mt:get_description() + return self._data.description; +end +function room_mt:set_password(password) + if password == "" or type(password) ~= "string" then password = nil; end + if self._data.password ~= password then + self._data.password = password; + if self.save then self:save(true); end + end +end +function room_mt:get_password() + return self._data.password; +end +function room_mt:set_moderated(moderated) + moderated = moderated and true or nil; + if self._data.moderated ~= moderated then + self._data.moderated = moderated; + if self.save then self:save(true); end + end +end +function room_mt:is_moderated() + return self._data.moderated; +end +function room_mt:set_members_only(members_only) + members_only = members_only and true or nil; + if self._data.members_only ~= members_only then + self._data.members_only = members_only; + if self.save then self:save(true); end + end +end +function room_mt:is_members_only() + return self._data.members_only; +end +function room_mt:set_persistent(persistent) + persistent = persistent and true or nil; + if self._data.persistent ~= persistent then + self._data.persistent = persistent; + if self.save then self:save(true); end + end +end +function room_mt:is_persistent() + return self._data.persistent; +end +function room_mt:set_hidden(hidden) + hidden = hidden and true or nil; + if self._data.hidden ~= hidden then + self._data.hidden = hidden; + if self.save then self:save(true); end + end +end +function room_mt:is_hidden() + return self._data.hidden; +end +function room_mt:set_changesubject(changesubject) + changesubject = changesubject and true or nil; + if self._data.changesubject ~= changesubject then + self._data.changesubject = changesubject; + if self.save then self:save(true); end + end +end +function room_mt:get_changesubject() + return self._data.changesubject; +end + function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc local from, to = stanza.attr.from, stanza.attr.to; local room = jid_bare(to); @@ -226,7 +366,7 @@ function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc pr.attr.to = from; pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) :tag("item", {affiliation=occupant.affiliation or "none", role='none'}):up() - :tag("status", {code='110'}); + :tag("status", {code='110'}):up(); self:_route_stanza(pr); if jid ~= new_jid then pr = st.clone(occupant.sessions[new_jid]) @@ -290,7 +430,15 @@ function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc end is_merge = true; end - if not new_nick then + local password = stanza:get_child("x", "http://jabber.org/protocol/muc"); + password = password and password:get_child("password", "http://jabber.org/protocol/muc"); + password = password and password[1] ~= "" and password[1]; + if self:get_password() and self:get_password() ~= password then + log("debug", "%s couldn't join due to invalid password: %s", from, to); + local reply = st.error_reply(stanza, "auth", "not-authorized"):up(); + reply.tags[1].attr.code = "401"; + origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); + elseif not new_nick then log("debug", "%s couldn't join due to nick conflict: %s", from, to); local reply = st.error_reply(stanza, "cancel", "conflict"):up(); reply.tags[1].attr.code = "409"; @@ -311,20 +459,22 @@ function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc self._jid_nick[from] = to; self:send_occupant_list(from); pr.attr.from = to; + pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) + :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up(); if not is_merge then - self:broadcast_presence(pr, from); - else - pr.attr.to = from; - self:_route_stanza(pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) - :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up() - :tag("status", {code='110'})); + self:broadcast_except_nick(pr, to); end - if self._data.whois == 'anyone' then -- non-anonymous? - self:_route_stanza(st.stanza("message", {from=to, to=from, type='groupchat'}) - :tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) - :tag("status", {code='100'})); + pr:tag("status", {code='110'}):up(); + if self._data.whois == 'anyone' then + pr:tag("status", {code='100'}):up(); end - self:send_history(from); + pr.attr.to = from; + self:_route_stanza(pr); + self:send_history(from, stanza); + elseif not affiliation then -- registration required for entering members-only room + local reply = st.error_reply(stanza, "auth", "registration-required"):up(); + reply.tags[1].attr.code = "407"; + origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); else -- banned local reply = st.error_reply(stanza, "auth", "forbidden"):up(); reply.tags[1].attr.code = "403"; @@ -385,33 +535,84 @@ function room_mt:handle_to_occupant(origin, stanza) -- PM, vCards, etc end function room_mt:send_form(origin, stanza) - local title = "Configuration for "..self.jid; origin.send(st.reply(stanza):query("http://jabber.org/protocol/muc#owner") - :tag("x", {xmlns='jabber:x:data', type='form'}) - :tag("title"):text(title):up() - :tag("instructions"):text(title):up() - :tag("field", {type='hidden', var='FORM_TYPE'}):tag("value"):text("http://jabber.org/protocol/muc#roomconfig"):up():up() - :tag("field", {type='boolean', label='Make Room Persistent?', var='muc#roomconfig_persistentroom'}) - :tag("value"):text(self._data.persistent and "1" or "0"):up() - :up() - :tag("field", {type='boolean', label='Make Room Publicly Searchable?', var='muc#roomconfig_publicroom'}) - :tag("value"):text(self._data.hidden and "0" or "1"):up() - :up() - :tag("field", {type='list-single', label='Who May Discover Real JIDs?', var='muc#roomconfig_whois'}) - :tag("value"):text(self._data.whois or 'moderators'):up() - :tag("option", {label = 'Moderators Only'}) - :tag("value"):text('moderators'):up() - :up() - :tag("option", {label = 'Anyone'}) - :tag("value"):text('anyone'):up() - :up() - :up() + :add_child(self:get_form_layout():form()) ); end +function room_mt:get_form_layout() + local title = "Configuration for "..self.jid; + return dataform.new({ + title = title, + instructions = title, + { + name = 'FORM_TYPE', + type = 'hidden', + value = 'http://jabber.org/protocol/muc#roomconfig' + }, + { + name = 'muc#roomconfig_roomname', + type = 'text-single', + label = 'Name', + value = self:get_name() or "", + }, + { + name = 'muc#roomconfig_roomdesc', + type = 'text-single', + label = 'Description', + value = self:get_description() or "", + }, + { + name = 'muc#roomconfig_persistentroom', + type = 'boolean', + label = 'Make Room Persistent?', + value = self:is_persistent() + }, + { + name = 'muc#roomconfig_publicroom', + type = 'boolean', + label = 'Make Room Publicly Searchable?', + value = not self:is_hidden() + }, + { + name = 'muc#roomconfig_changesubject', + type = 'boolean', + label = 'Allow Occupants to Change Subject?', + value = self:get_changesubject() + }, + { + name = 'muc#roomconfig_whois', + type = 'list-single', + label = 'Who May Discover Real JIDs?', + value = { + { value = 'moderators', label = 'Moderators Only', default = self._data.whois == 'moderators' }, + { value = 'anyone', label = 'Anyone', default = self._data.whois == 'anyone' } + } + }, + { + name = 'muc#roomconfig_roomsecret', + type = 'text-private', + label = 'Password', + value = self:get_password() or "", + }, + { + name = 'muc#roomconfig_moderatedroom', + type = 'boolean', + label = 'Make Room Moderated?', + value = self:is_moderated() + }, + { + name = 'muc#roomconfig_membersonly', + type = 'boolean', + label = 'Make Room Members-Only?', + value = self:is_members_only() + } + }); +end + local valid_whois = { - moderators = true, - anyone = true, + moderators = true, + anyone = true, } function room_mt:process_form(origin, stanza) @@ -420,55 +621,77 @@ function room_mt:process_form(origin, stanza) for _, tag in ipairs(query.tags) do if tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then form = tag; break; end end if not form then origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); return; end if form.attr.type == "cancel" then origin.send(st.reply(stanza)); return; end - if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end - local fields = {}; - for _, field in pairs(form.tags) do - if field.name == "field" and field.attr.var and field.tags[1].name == "value" and #field.tags[1].tags == 0 then - fields[field.attr.var] = field.tags[1][1] or ""; - end - end - if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end + if form.attr.type ~= "submit" then origin.send(st.error_reply(stanza, "cancel", "bad-request", "Not a submitted form")); return; end + + local fields = self:get_form_layout():data(form); + if fields.FORM_TYPE ~= "http://jabber.org/protocol/muc#roomconfig" then origin.send(st.error_reply(stanza, "cancel", "bad-request", "Form is not of type room configuration")); return; end local dirty = false + local name = fields['muc#roomconfig_roomname']; + if name ~= self:get_name() then + self:set_name(name); + end + + local description = fields['muc#roomconfig_roomdesc']; + if description ~= self:get_description() then + self:set_description(description); + end + local persistent = fields['muc#roomconfig_persistentroom']; - if persistent == "0" or persistent == "false" then persistent = nil; elseif persistent == "1" or persistent == "true" then persistent = true; - else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end - dirty = dirty or (self._data.persistent ~= persistent) - self._data.persistent = persistent; + dirty = dirty or (self:is_persistent() ~= persistent) module:log("debug", "persistent=%s", tostring(persistent)); + local moderated = fields['muc#roomconfig_moderatedroom']; + dirty = dirty or (self:is_moderated() ~= moderated) + module:log("debug", "moderated=%s", tostring(moderated)); + + local membersonly = fields['muc#roomconfig_membersonly']; + dirty = dirty or (self:is_members_only() ~= membersonly) + module:log("debug", "membersonly=%s", tostring(membersonly)); + local public = fields['muc#roomconfig_publicroom']; - if public == "0" or public == "false" then public = nil; elseif public == "1" or public == "true" then public = true; - else origin.send(st.error_reply(stanza, "cancel", "bad-request")); return; end - dirty = dirty or (self._data.hidden ~= (not public and true or nil)) - self._data.hidden = not public and true or nil; + dirty = dirty or (self:is_hidden() ~= (not public and true or nil)) + + local changesubject = fields['muc#roomconfig_changesubject']; + dirty = dirty or (self:get_changesubject() ~= (not changesubject and true or nil)) + module:log('debug', 'changesubject=%s', changesubject and "true" or "false") local whois = fields['muc#roomconfig_whois']; if not valid_whois[whois] then - origin.send(st.error_reply(stanza, 'cancel', 'bad-request')); + origin.send(st.error_reply(stanza, 'cancel', 'bad-request', "Invalid value for 'whois'")); return; end local whois_changed = self._data.whois ~= whois self._data.whois = whois - module:log('debug', 'whois=%s', tostring(whois)) + module:log('debug', 'whois=%s', whois) + + local password = fields['muc#roomconfig_roomsecret']; + if self:get_password() ~= password then + self:set_password(password); + end + self:set_moderated(moderated); + self:set_members_only(membersonly); + self:set_persistent(persistent); + self:set_hidden(not public); + self:set_changesubject(changesubject); if self.save then self:save(true); end origin.send(st.reply(stanza)); if dirty or whois_changed then - local msg = st.message({type='groupchat', from=self.jid}) - :tag('x', {xmlns='http://jabber.org/protocol/muc#user'}):up() + local msg = st.message({type='groupchat', from=self.jid}) + :tag('x', {xmlns='http://jabber.org/protocol/muc#user'}):up() - if dirty then - msg.tags[1]:tag('status', {code = '104'}) - end - if whois_changed then - local code = (whois == 'moderators') and 173 or 172 - msg.tags[1]:tag('status', {code = code}) - end + if dirty then + msg.tags[1]:tag('status', {code = '104'}):up(); + end + if whois_changed then + local code = (whois == 'moderators') and "173" or "172"; + msg.tags[1]:tag('status', {code = code}):up(); + end - self:broadcast_message(msg, false) + self:broadcast_message(msg, false) end end @@ -488,8 +711,7 @@ function room_mt:destroy(newjid, reason, password) end self._occupants[nick] = nil; end - self._data.persistent = nil; - if self.save then self:save(true); end + self:set_persistent(false); end function room_mt:handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc @@ -576,7 +798,7 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha end elseif xmlns == "http://jabber.org/protocol/muc#owner" and (type == "get" or type == "set") and stanza.tags[1].name == "query" then if self:get_affiliation(stanza.attr.from) ~= "owner" then - origin.send(st.error_reply(stanza, "auth", "forbidden")); + origin.send(st.error_reply(stanza, "auth", "forbidden", "Only owners can configure rooms")); elseif stanza.attr.type == "get" then self:send_form(origin, stanza); elseif stanza.attr.type == "set" then @@ -616,7 +838,8 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha stanza.attr.from = current_nick; local subject = getText(stanza, {"subject"}); if subject then - if occupant.role == "moderator" then + if occupant.role == "moderator" or + ( self._data.changesubject and occupant.role == "participant" ) then -- and participant self:set_subject(current_nick, subject); -- TODO use broadcast_message_stanza else stanza.attr.from = from; @@ -654,14 +877,21 @@ function room_mt:handle_to_room(origin, stanza) -- presence changes and groupcha :tag('x', {xmlns='http://jabber.org/protocol/muc#user'}) :tag('invite', {from=_from}) :tag('reason'):text(_reason or ""):up() - :up() - :up() + :up(); + if self:get_password() then + invite:tag("password"):text(self:get_password()):up(); + end + invite:up() :tag('x', {xmlns="jabber:x:conference", jid=_to}) -- COMPAT: Some older clients expect this :text(_reason or "") :up() :tag('body') -- Add a plain message for clients which don't support invites :text(_from..' invited you to the room '.._to..(_reason and (' ('.._reason..')') or "")) :up(); + if self:is_members_only() and not self:get_affiliation(_invitee) then + log("debug", "%s invited %s into members only room %s, granting membership", _from, _invitee, _to); + self:set_affiliation(_from, _invitee, "member", nil, "Invited by " .. self._jid_nick[_from]) + end self:_route_stanza(invite); else origin.send(st.error_reply(stanza, "cancel", "jid-malformed")); @@ -699,19 +929,32 @@ function room_mt:set_affiliation(actor, jid, affiliation, callback, reason) if affiliation and affiliation ~= "outcast" and affiliation ~= "owner" and affiliation ~= "admin" and affiliation ~= "member" then return nil, "modify", "not-acceptable"; end - if self:get_affiliation(actor) ~= "owner" then return nil, "cancel", "not-allowed"; end - if jid_bare(actor) == jid then return nil, "cancel", "not-allowed"; end + local actor_affiliation = self:get_affiliation(actor); + local target_affiliation = self:get_affiliation(jid); + if target_affiliation == affiliation then -- no change, shortcut + if callback then callback(); end + return true; + end + if actor_affiliation ~= "owner" then + if actor_affiliation ~= "admin" or target_affiliation == "owner" or target_affiliation == "admin" then + return nil, "cancel", "not-allowed"; + end + elseif target_affiliation == "owner" and jid_bare(actor) == jid then -- self change + local is_last = true; + for j, aff in pairs(self._affiliations) do if j ~= jid and aff == "owner" then is_last = false; break; end end + if is_last then + return nil, "cancel", "conflict"; + end + end self._affiliations[jid] = affiliation; local role = self:get_default_role(affiliation); - local p = st.presence() - :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) + local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"}) :tag("item", {affiliation=affiliation or "none", role=role or "none"}) :tag("reason"):text(reason or ""):up() :up(); - local x = p.tags[1]; - local item = x.tags[1]; + local presence_type = nil; if not role then -- getting kicked - p.attr.type = "unavailable"; + presence_type = "unavailable"; if affiliation == "outcast" then x:tag("status", {code="301"}):up(); -- banned else @@ -724,20 +967,25 @@ function room_mt:set_affiliation(actor, jid, affiliation, callback, reason) if not role then -- getting kicked self._occupants[nick] = nil; else - t_insert(modified_nicks, nick); occupant.affiliation, occupant.role = affiliation, role; end - p.attr.from = nick; - for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick + for jid,pres in pairs(occupant.sessions) do -- remove for all sessions of the nick if not role then self._jid_nick[jid] = nil; end + local p = st.clone(pres); + p.attr.from = nick; + p.attr.type = presence_type; p.attr.to = jid; + p:add_child(x); self:_route_stanza(p); + if occupant.jid == jid then + modified_nicks[nick] = p; + end end end end if self.save then self:save(); end if callback then callback(); end - for _, nick in ipairs(modified_nicks) do + for nick,p in pairs(modified_nicks) do p.attr.from = nick; self:broadcast_except_nick(p, nick); end @@ -748,34 +996,60 @@ function room_mt:get_role(nick) local session = self._occupants[nick]; return session and session.role or nil; end +function room_mt:can_set_role(actor_jid, occupant_jid, role) + local actor = self._occupants[self._jid_nick[actor_jid]]; + local occupant = self._occupants[occupant_jid]; + + if not occupant or not actor then return nil, "modify", "not-acceptable"; end + + if actor.role == "moderator" then + if occupant.affiliation ~= "owner" and occupant.affiliation ~= "admin" then + if actor.affiliation == "owner" or actor.affiliation == "admin" then + return true; + elseif occupant.role ~= "moderator" and role ~= "moderator" then + return true; + end + end + end + return nil, "cancel", "not-allowed"; +end function room_mt:set_role(actor, occupant_jid, role, callback, reason) if role == "none" then role = nil; end if role and role ~= "moderator" and role ~= "participant" and role ~= "visitor" then return nil, "modify", "not-acceptable"; end - if self:get_role(self._jid_nick[actor]) ~= "moderator" then return nil, "cancel", "not-allowed"; end + local allowed, err_type, err_condition = self:can_set_role(actor, occupant_jid, role); + if not allowed then return allowed, err_type, err_condition; end local occupant = self._occupants[occupant_jid]; - if not occupant then return nil, "modify", "not-acceptable"; end - if occupant.affiliation == "owner" or occupant.affiliation == "admin" then return nil, "cancel", "not-allowed"; end - local p = st.presence({from = occupant_jid}) - :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"}) + local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"}) :tag("item", {affiliation=occupant.affiliation or "none", nick=select(3, jid_split(occupant_jid)), role=role or "none"}) :tag("reason"):text(reason or ""):up() :up(); + local presence_type = nil; if not role then -- kick - p.attr.type = "unavailable"; + presence_type = "unavailable"; self._occupants[occupant_jid] = nil; for jid in pairs(occupant.sessions) do -- remove for all sessions of the nick self._jid_nick[jid] = nil; end - p:tag("status", {code = "307"}):up(); + x:tag("status", {code = "307"}):up(); else occupant.role = role; end - for jid in pairs(occupant.sessions) do -- send to all sessions of the nick + local bp; + for jid,pres in pairs(occupant.sessions) do -- send to all sessions of the nick + local p = st.clone(pres); + p.attr.from = occupant_jid; + p.attr.type = presence_type; p.attr.to = jid; + p:add_child(x); self:_route_stanza(p); + if occupant.jid == jid then + bp = p; + end end if callback then callback(); end - self:broadcast_except_nick(p, occupant_jid); + if bp then + self:broadcast_except_nick(bp, occupant_jid); + end return true; end @@ -817,13 +1091,14 @@ end local _M = {}; -- module "muc" -function _M.new_room(jid) +function _M.new_room(jid, config) return setmetatable({ jid = jid; _jid_nick = {}; _occupants = {}; _data = { - whois = 'moderators', + whois = 'moderators'; + history_length = (config and config.history_length); }; _affiliations = {}; }, room_mt); |