Mercurial > prosody-modules

annotate mod_block_registrations/mod_block_registrations.lua @ 4936:a85efae90e21

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mod_rest: Expand mapping of XEP-0045 join stanza The previous 'join' mapping was apparently lost in translation when swithing to datamapper, so might as well map some properties allowing history control. Usually you probably want either zero history or history since the last known time of being joined. Maybe that the former should be the default?
author Kim Alvefur <zash@zash.se>
date Sat, 30 Apr 2022 01:00:01 +0200
parents 27aa58ed3e2e
children 368bf9b06484
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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cabbcc1997d9 mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
Matthew Wild <mwild1@gmail.com>
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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
cabbcc1997d9 mod_block_registrations: Allow restricting registrations of certain user accounts, and/or ensure that registered accounts conform to a given pattern
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4 local block_users = module:get_option_set("block_registrations_users", { "admin" });
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5 local block_patterns = module:get_option_set("block_registrations_matching", {});
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6 local require_pattern = module:get_option_string("block_registrations_require");
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7
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8 function is_blocked(username)
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9 -- Check if the username is simply blocked
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10 if block_users:contains(username) then return true; end
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11
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12 for pattern in block_patterns do
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27aa58ed3e2e mod_block_registrations: string.find is faster than string.match when only needing a boolean answer
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13 if username:find(pattern) then
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14 return true;
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15 end
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16 end
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17 -- Not blocked, but check that username matches allowed pattern
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18 if require_pattern and not username:match(require_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
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23 module:hook("user-registering", function(event)
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24 local username = event.username;
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25 if is_blocked(username) then
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26 event.allowed = false;
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27 return true;
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28 end
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29 end, 10);