Mercurial > prosody-modules
view mod_muc_restrict_rooms/mod_muc_restrict_rooms.lua @ 4887:806f7c8d830b
mod_ping_muc: Remove 'kick' status code
The intent is "you fell off", not "you were kicked out", however older
clients may not recognise the 333 code, but that will have to be an
acceptable loss.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 07 Feb 2022 16:52:19 +0100 |
parents | 79adec50b24d |
children |
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local st = require "util.stanza"; local jid = require "util.jid"; local nodeprep = require "util.encodings".stringprep.nodeprep; local rooms = module:shared "muc/rooms"; if not rooms then module:log("error", "This module only works on MUC components!"); return; end local restrict_patterns = module:get_option("muc_restrict_matching", {}); local restrict_excepts = module:get_option_set("muc_restrict_exceptions", {}); local restrict_allow_admins = module:get_option_boolean("muc_restrict_allow_admins", false); local function is_restricted(room, who) -- If admins can join prohibited rooms, we allow them to if restrict_allow_admins and usermanager.is_admin(who, module.host) then module:log("debug", "Admins are allowed to enter restricted rooms (%s on %s)", who, room) return nil; end -- Don't evaluate exceptions if restrict_excepts:contains(room) then module:log("debug", "Room %s is amongst restriction exceptions", room()) return nil; end -- Evaluate regexps of restricted patterns for pattern,reason in pairs(restrict_patterns) do if room:match(pattern) then module:log("debug", "Room %s is restricted by pattern %s, user %s is not allowed to join (%s)", room, pattern, who, reason) return reason; end end return nil end module:hook("presence/full", function(event) local stanza = event.stanza; if stanza.name == "presence" and stanza.attr.type == "unavailable" then -- Leaving events get discarded return; end -- Get the room local room = jid.split(stanza.attr.to); if not room then return; end -- Get who has tried to join it local who = jid.bare(stanza.attr.from) -- Checking whether room is restricted local check_restricted = is_restricted(room, who) if check_restricted ~= nil then event.allowed = false; event.stanza.attr.type = 'error'; return event.origin.send(st.error_reply(event.stanza, "cancel", "forbidden", "You're not allowed to enter this room: " .. check_restricted)); end end, 10);