Mercurial > prosody-modules
view mod_muc_restrict_rooms/mod_muc_restrict_rooms.lua @ 5354:39d59d857bfb
mod_http_oauth2: Use new mod_cron API for periodic cleanup
Less frequent but this isn't that important after all since, as the
comment states, expired codes are not usable anyway. They're also not
that large so memory usage probably doesn't matter.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 22 Apr 2023 11:59:52 +0200 |
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);