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mod_muc_restrict_rooms/mod_muc_restrict_rooms.lua @ 1892:981143617dcf
mod_pubsub_feeds/README: Increase header levels (modules.prosody.im decreases all by one)
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 03 Oct 2015 16:09:01 +0200 |
parent | 1614:79adec50b24d |
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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);