prosody-modules
8a8ec909ac20
mod_block_registrations/mod_block_registrations.lua

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mod_block_registrations/mod_block_registrations.lua @ 4987:8a8ec909ac20

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author Kim Alvefur <zash@zash.se>
date Fri, 12 Aug 2022 17:15:11 +0200
parent 1697:27aa58ed3e2e
child 5065:368bf9b06484
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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>
parents:
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1 local st = require "util.stanza";
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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2 local nodeprep = require "util.encodings".stringprep.nodeprep;
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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3
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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4 local block_users = module:get_option_set("block_registrations_users", { "admin" });
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Matthew Wild <mwild1@gmail.com>
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5 local block_patterns = module:get_option_set("block_registrations_matching", {});
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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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)
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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9 -- Check if the username is simply blocked
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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10 if block_users:contains(username) then return true; end
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11
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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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
Kim Alvefur <zash@zash.se>
parents: 1331
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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
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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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
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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29 end, 10);