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84 lines
3.3 KiB
Perl
84 lines
3.3 KiB
Perl
# File: AntiKickAutoRejoin.pm
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#
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# Purpose: Temporarily bans people who immediately auto-rejoin after a kick.
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# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::Plugin::AntiKickAutoRejoin;
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use parent 'PBot::Plugin::Base';
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use PBot::Imports;
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use Time::HiRes qw/gettimeofday/;
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use Time::Duration;
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot}->{registry}->add_default('array', 'antikickautorejoin', 'punishment', '30,90,180,300,28800');
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$self->{pbot}->{registry}->add_default('text', 'antikickautorejoin', 'threshold', '2');
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$self->{pbot}->{event_dispatcher}->register_handler('irc.kick', sub { $self->on_kick(@_) });
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$self->{pbot}->{event_dispatcher}->register_handler('irc.join', sub { $self->on_join(@_) });
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$self->{kicks} = {};
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}
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sub unload {
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my ($self) = @_;
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$self->{pbot}->{event_dispatcher}->remove_handler('irc.kick');
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$self->{pbot}->{event_dispatcher}->remove_handler('irc.join');
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}
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sub on_kick {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host);
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my ($target, $channel, $reason) = ($event->{event}->to, $event->{event}->{args}[0], $event->{event}->{args}[1]);
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$channel = lc $channel;
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return 0 if not $self->{pbot}->{chanops}->can_gain_ops($channel);
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return 0 if $reason eq '*BANG!*'; # roulette
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if (not exists $self->{kicks}->{$channel} or not exists $self->{kicks}->{$channel}->{$target}) {
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$self->{kicks}->{$channel}->{$target}->{rejoins} = 0;
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}
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$self->{kicks}->{$channel}->{$target}->{last_kick} = gettimeofday;
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return 0;
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}
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sub on_join {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host, $channel) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->to);
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$channel = lc $channel;
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return 0 if not $self->{pbot}->{chanops}->can_gain_ops($channel);
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my $u = $self->{pbot}->{users}->loggedin($channel, "$nick!$user\@$host");
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return 0 if $self->{pbot}->{capabilities}->userhas($u, 'is-whitelisted');
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if (exists $self->{kicks}->{$channel} and exists $self->{kicks}->{$channel}->{$nick}) {
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my $now = gettimeofday;
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if ($now - $self->{kicks}->{$channel}->{$nick}->{last_kick} <= $self->{pbot}->{registry}->get_value('antikickautorejoin', 'threshold')) {
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my $timeout = $self->{pbot}->{registry}->get_array_value('antikickautorejoin', 'punishment', $self->{kicks}->{$channel}->{$nick}->{rejoins});
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my $duration = duration($timeout);
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$duration =~ s/s$//; # hours -> hour, minutes -> minute
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$self->{pbot}->{banlist}->ban_user_timed(
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$channel,
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'b',
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"*!$user\@$host",
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$timeout,
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$self->{pbot}->{registry}->get_value('irc', 'botnick'),
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'autorejoining after kick',
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);
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$self->{pbot}->{chanops}->add_op_command($channel, "kick $channel $nick $duration ban for auto-rejoining after kick; use this time to think about why you were kicked");
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$self->{pbot}->{chanops}->gain_ops($channel);
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$self->{kicks}->{$channel}->{$nick}->{rejoins}++;
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}
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}
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return 0;
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}
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1;
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