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annotate mod_muc_restrict_nick/mod_muc_restrict_nick.lua @ 4813:0a257d1402c3

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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 e7b126161e7b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4588
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
parents:
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1 local jid = require "util.jid";
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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2 local st = require "util.stanza";
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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3
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
parents:
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4 local nick_pattern = module:get_option_string("muc_restrict_nick_pattern", "^%w+$");
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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5
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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6 module:hook("muc-occupant-pre-join", function (event)
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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7 local nick = jid.resource(event.occupant.nick);
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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8 if not nick:match(nick_pattern) then
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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9 local reply = st.error_reply(event.stanza, "modify", "policy-violation", "Unacceptable nickname, please try another");
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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10 module:send(reply);
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
Matthew Wild <mwild1@gmail.com>
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11 return true;
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
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12 end
e7b126161e7b mod_muc_restrict_nick: New module to restrict MUC occupant nicknames
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13 end);