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pbot/Plugins/AntiKickAutoRejoin.pm
2021-06-18 21:23:34 -07:00

85 lines
3.4 KiB
Perl

# File: AntiKickAutoRejoin.pm
#
# Purpose: Temporarily bans people who immediately auto-rejoin after a kick.
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
package Plugins::AntiKickAutoRejoin;
use parent 'Plugins::Plugin';
use PBot::Imports;
use Time::HiRes qw/gettimeofday/;
use Time::Duration;
sub initialize {
my ($self, %conf) = @_;
$self->{pbot}->{registry}->add_default('array', 'antikickautorejoin', 'punishment', '30,90,180,300,28800');
$self->{pbot}->{registry}->add_default('text', 'antikickautorejoin', 'threshold', '2');
$self->{pbot}->{event_dispatcher}->register_handler('irc.kick', sub { $self->on_kick(@_) });
$self->{pbot}->{event_dispatcher}->register_handler('irc.join', sub { $self->on_join(@_) });
$self->{kicks} = {};
}
sub unload {
my ($self) = @_;
$self->{pbot}->{event_dispatcher}->remove_handler('irc.kick');
$self->{pbot}->{event_dispatcher}->remove_handler('irc.join');
}
sub on_kick {
my ($self, $event_type, $event) = @_;
my ($nick, $user, $host) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host);
my ($target, $channel, $reason) = ($event->{event}->to, $event->{event}->{args}[0], $event->{event}->{args}[1]);
$channel = lc $channel;
return 0 if not $self->{pbot}->{chanops}->can_gain_ops($channel);
return 0 if $reason eq '*BANG!*'; # roulette
if (not exists $self->{kicks}->{$channel} or not exists $self->{kicks}->{$channel}->{$target}) {
$self->{kicks}->{$channel}->{$target}->{rejoins} = 0;
}
$self->{kicks}->{$channel}->{$target}->{last_kick} = gettimeofday;
return 0;
}
sub on_join {
my ($self, $event_type, $event) = @_;
my ($nick, $user, $host, $channel) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->to);
$channel = lc $channel;
return 0 if not $self->{pbot}->{chanops}->can_gain_ops($channel);
my $u = $self->{pbot}->{users}->loggedin($channel, "$nick!$user\@$host");
return 0 if $self->{pbot}->{capabilities}->userhas($u, 'is-whitelisted');
if (exists $self->{kicks}->{$channel} and exists $self->{kicks}->{$channel}->{$nick}) {
my $now = gettimeofday;
if ($now - $self->{kicks}->{$channel}->{$nick}->{last_kick} <= $self->{pbot}->{registry}->get_value('antikickautorejoin', 'threshold')) {
my $timeout = $self->{pbot}->{registry}->get_array_value('antikickautorejoin', 'punishment', $self->{kicks}->{$channel}->{$nick}->{rejoins});
my $duration = duration($timeout);
$duration =~ s/s$//; # hours -> hour, minutes -> minute
$self->{pbot}->{banlist}->ban_user_timed(
$channel,
'b',
"*!$user\@$host",
$timeout,
$self->{pbot}->{registry}->get_value('irc', 'botnick'),
'autorejoining after kick',
);
$self->{pbot}->{chanops}->add_op_command($channel, "kick $channel $nick $duration ban for auto-rejoining after kick; use this time to think about why you were kicked");
$self->{pbot}->{chanops}->gain_ops($channel);
$self->{kicks}->{$channel}->{$nick}->{rejoins}++;
}
}
return 0;
}
1;