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94 lines
3.5 KiB
Perl
94 lines
3.5 KiB
Perl
# File: AntiTwitter.pm
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# Author: pragma_
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#
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# Purpose: Warns people off from using @nick style addressing. Temp-bans if they
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# persist.
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::Plugins::AntiTwitter;
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use warnings;
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use strict;
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use Carp ();
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use Time::HiRes qw/gettimeofday/;
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use Time::Duration qw/duration/;
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use feature 'switch';
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no if $] >= 5.018, warnings => "experimental::smartmatch";
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sub new {
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Carp::croak("Options to " . __FILE__ . " should be key/value pairs, not hash reference") if ref $_[1] eq 'HASH';
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my ($class, %conf) = @_;
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my $self = bless {}, $class;
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot} = delete $conf{pbot} // Carp::croak("Missing pbot reference to " . __FILE__);
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$self->{pbot}->{event_dispatcher}->register_handler('irc.public', sub { $self->on_public(@_) });
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$self->{pbot}->{timer}->register(sub { $self->adjust_offenses }, 60 * 60 * 1, 'antitwitter');
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$self->{offenses} = {};
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}
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sub on_public {
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my ($self, $event_type, $event) = @_;
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my ($nick, $user, $host, $channel, $msg) = ($event->{event}->nick, $event->{event}->user, $event->{event}->host, $event->{event}->{to}[0], $event->{event}->args);
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return 0 if $event->{interpreted};
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$channel = lc $channel;
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return 0 if not $self->{pbot}->{chanops}->can_gain_ops($channel);
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while ($msg =~ m/\B[＠@]\s*([a-z0-9_^{}\-\\\[\]\|]+)/ig) {
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my $n = $1;
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if ($self->{pbot}->{nicklist}->is_present_similar($channel, $n, 0.05)) {
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$self->{offenses}->{$channel}->{$nick}->{offenses}++;
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$self->{offenses}->{$channel}->{$nick}->{time} = gettimeofday;
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$self->{pbot}->{logger}->log("$nick!$user\@$host is a twit. ($self->{offenses}->{$channel}->{$nick}->{offenses} offenses) $channel: $msg\n");
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given ($self->{offenses}->{$channel}->{$nick}->{offenses}) {
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when (1) {
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$event->{conn}->privmsg($nick, "$nick: Please do not use \@nick to address people. Drop the @ symbol; it's not necessary and it's ugly.");
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}
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when (2) {
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$event->{conn}->privmsg($nick, "$nick: Please do not use \@nick to address people. Drop the @ symbol; it's not necessary and it's ugly. Doing this again will result in a temporary ban.");
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}
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default {
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my $offenses = $self->{offenses}->{$channel}->{$nick}->{offenses} - 2;
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my $length = 60 * ($offenses * $offenses + 1);
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$self->{pbot}->{chanops}->ban_user_timed("*!*\@$host", $channel, $length);
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$self->{pbot}->{chanops}->gain_ops($channel);
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$length = duration $length;
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$event->{conn}->privmsg($nick, "$nick: Please do not use \@nick to address people. Drop the @ symbol; it's not necessary and it's ugly. You were warned. You will be allowed to speak again in $length.");
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}
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}
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last;
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}
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}
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return 0;
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}
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sub adjust_offenses {
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my $self = shift;
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my $now = gettimeofday;
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foreach my $channel (keys %{ $self->{offenses} }) {
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foreach my $nick (keys %{ $self->{offenses}->{$channel} }) {
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if ($now - $self->{offenses}->{$channel}->{$nick}->{time} >= 60 * 60 * 24 * 7) {
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if (--$self->{offenses}->{$channel}->{$nick}->{offenses} <= 0) {
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delete $self->{offenses}->{$channel}->{$nick};
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delete $self->{offenses}->{$channel} if not keys %{ $self->{offenses}->{$channel} };
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}
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}
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}
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}
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}
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1;
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