diff options
| -rw-r--r-- | plugins/muc/muc.lib.lua | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/plugins/muc/muc.lib.lua b/plugins/muc/muc.lib.lua index c60d44aa..647bf915 100644 --- a/plugins/muc/muc.lib.lua +++ b/plugins/muc/muc.lib.lua @@ -929,8 +929,23 @@ 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 x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"}) |