prosody-modules
2df312eb816d
mod_block_registrations/mod_block_registrations.lua

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mod_block_registrations/mod_block_registrations.lua @ 1310:2df312eb816d

mod_seclabels: Avoid tracebacks about indexing nil stanza
author Vadim Misbakh-Soloviov <mva@mva.name>
date Wed, 19 Feb 2014 17:59:17 +0700
parent 1053:cabbcc1997d9
child 1331:dbaa67babeb4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1053
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>
parents:
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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
Matthew Wild <mwild1@gmail.com>
parents:
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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>
parents:
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4 local block_users = module:get_option_set("block_registrations_users", { "admin" });
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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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
Matthew Wild <mwild1@gmail.com>
parents:
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6 local require_pattern = module:get_option_string("block_registrations_require");
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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7
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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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
Matthew Wild <mwild1@gmail.com>
parents:
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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
Matthew Wild <mwild1@gmail.com>
parents:
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10 if block_users:contains(username) then return true; end
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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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>
parents:
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12 for pattern in block_patterns do
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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13 if username:match(pattern) then
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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14 return true;
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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15 end
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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16 end
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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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
Matthew Wild <mwild1@gmail.com>
parents:
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18 if require_pattern and not username:match(require_pattern) then
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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19 return true;
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Matthew Wild <mwild1@gmail.com>
parents:
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20 end
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Matthew Wild <mwild1@gmail.com>
parents:
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21 end
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parents:
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22
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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23 module:hook("stanza/iq/jabber:iq:register:query", function(event)
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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24 local session, stanza = event.origin, event.stanza;
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Matthew Wild <mwild1@gmail.com>
parents:
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25
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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26 if stanza.attr.type == "set" then
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Matthew Wild <mwild1@gmail.com>
parents:
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27 local query = stanza.tags[1];
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Matthew Wild <mwild1@gmail.com>
parents:
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28 local username = nodeprep(query:get_child_text("username"));
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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29 if username and is_blocked(username) then
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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30 session.send(st.error_reply(stanza, "modify", "policy-violation", "Username is blocked"));
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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31 return true;
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Matthew Wild <mwild1@gmail.com>
parents:
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32 end
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Matthew Wild <mwild1@gmail.com>
parents:
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33 end
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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34 end, 10);