Mercurial > prosody-modules
view mod_block_registrations/mod_block_registrations.lua @ 4813:0a257d1402c3
mod_muc_rtbl: Optimize case with zero hashes
On the assumption that during quiet times between torrents of spam,
the hash set would be empty. There would be no point in doing the
operations and hashes to check for a match in that case.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 06 Dec 2021 18:19:19 +0100 |
parents | 27aa58ed3e2e |
children | 368bf9b06484 |
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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:find(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("user-registering", function(event) local username = event.username; if is_blocked(username) then event.allowed = false; return true; end end, 10);