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annotate mod_block_registrations/mod_block_registrations.lua @ 5149:fa56ed2bacab

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mod_unified_push: Add support for multiple token backends, including stoage Now that we have ACLs by default, it is no longer necessary to be completely stateless. On 0.12, using storage has benefits over JWT, because it does not expose client JIDs to the push apps/services. In trunk, PASETO is stateless and does not expose client JIDs.
author Matthew Wild <mwild1@gmail.com>
date Sat, 14 Jan 2023 14:31:37 +0000
parents 368bf9b06484
children
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1 local st = require "util.stanza";
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2 local nodeprep = require "util.encodings".stringprep.nodeprep;
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3
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4 local block_users = module:get_option_set("block_registrations_users", {
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5 "abuse", "admin", "administrator", "hostmaster", "info", "news",
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6 "noc", "operator", "owner", "postmaster", "register", "registration",
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7 "root", "security", "service", "signup", "support", "sysadmin",
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8 "sysop", "system", "test", "trouble", "webmaster", "www", "xmpp",
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9 });
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10 local block_patterns = module:get_option_set("block_registrations_matching", {});
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11 local require_pattern = module:get_option_string("block_registrations_require");
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13 function is_blocked(username)
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14 -- Check if the username is simply blocked
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15 if block_users:contains(username) then return true; end
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17 for pattern in block_patterns do
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18 if username:find(pattern) then
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19 return true;
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20 end
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21 end
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22 -- Not blocked, but check that username matches allowed pattern
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23 if require_pattern and not username:match(require_pattern) then
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24 return true;
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25 end
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26 end
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27
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28 module:hook("user-registering", function(event)
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29 local username = event.username;
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30 if is_blocked(username) then
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31 event.allowed = false;
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32 return true;
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33 end
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34 end, 10);