Mercurial > prosody-modules
view mod_block_registrations/mod_block_registrations.lua @ 1088:6f8e7f65f704
mod_net_dovecotauth: Initial commit of server implementation of the Dovecot authentication protocol
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Fri, 28 Jun 2013 01:38:35 +0200 |
parents | cabbcc1997d9 |
children | dbaa67babeb4 |
line wrap: on
line source
local st = require "util.stanza"; local nodeprep = require "util.encodings".stringprep.nodeprep; local block_users = module:get_option_set("block_registrations_users", { "admin" }); local block_patterns = module:get_option_set("block_registrations_matching", {}); local require_pattern = module:get_option_string("block_registrations_require"); function is_blocked(username) -- Check if the username is simply blocked if block_users:contains(username) then return true; end for pattern in block_patterns do if username:match(pattern) then return true; end end -- Not blocked, but check that username matches allowed pattern if require_pattern and not username:match(require_pattern) then return true; end end module:hook("stanza/iq/jabber:iq:register:query", function(event) local session, stanza = event.origin, event.stanza; if stanza.attr.type == "set" then local query = stanza.tags[1]; local username = nodeprep(query:get_child_text("username")); if username and is_blocked(username) then session.send(st.error_reply(stanza, "modify", "policy-violation", "Username is blocked")); return true; end end end, 10);