/usr/share/irssi/scripts/norepeat.pl is in irssi-scripts 20160301.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | use strict;
use Digest::MD5 'md5_hex';
use Irssi qw(settings_add_bool settings_get_bool signal_add signal_add_first signal_stop );
use vars qw($VERSION %IRSSI);
$VERSION = '0.5';
%IRSSI = (
authors => 'Marcin Rozycki',
contact => 'derwan@irssi.pl',
url => 'http://derwan.irssi.pl',
name => 'norepeat',
description => 'stops public repeating',
license => 'GNU GPL v2',
modules => 'Digest::MD5',
changed => 'Tue Sep 9 16:34:44 CEST 2003',
);
our $norepeat_enabled = 1;
settings_add_bool('misc', 'norepeat_enabled', $norepeat_enabled);
signal_add('setup changed' => sub {
$norepeat_enabled = settings_get_bool('norepeat_enabled');
} );
our %last_message = ();
our $last_timeout = 300;
sub check_last_message ($$$$$) {
my ($server, $data, $nick, $address, $target) = @_;
my ($time, $nick, $target, $md5) = (time, lc $nick, lc $target, md5_hex($data));
if ( $norepeat_enabled and my $ref = $last_message{$server->{tag}}{$target}{$nick} ) {
signal_stop(), return if ( $ref->[0] eq $md5 and $time - $ref->[1] <= $last_timeout );
}
remove_last_message($server, $target, $nick);
$last_message{$server->{tag}}{$target}{$nick} = [ $md5, $time ];
}
sub remove_last_message ($$$) {
my ($server, $target, $nick) = @_;
if ( my $ref = delete $last_message{$server->{tag}}{$target}{$nick} ) {
@{$ref} = ();
}
}
sub last_message_clear ($;$) {
my $chanrec = shift;
my $target = lc $chanrec->{name};
foreach my $nick ( keys %{$last_message{$chanrec->{server}->{tag}}{$target}} ) {
remove_last_message($chanrec->{server}, $target, $nick);
}
%{$last_message{$chanrec->{server}->{tag}}{$target}} = ();
}
signal_add_first('message public', \&check_last_message);
signal_add_first('message irc action', \&check_last_message);
signal_add_first('message irc notice', \&check_last_message);
signal_add('nicklist remove' => sub {
my ($chanrec, $nickrec) = @_;
remove_last_message($chanrec->{server}, lc $chanrec->{name}, lc $nickrec->{nick});
});
signal_add('nicklist new' => sub {
my ($chanrec, $nickrec) = @_;
remove_last_message($chanrec->{server}, lc $chanrec->{name}, lc $nickrec->{nick});
});
signal_add('nicklist changed' => sub {
my ($chanrec, $nickrec, $oldnick) = @_;
$last_message{$chanrec->{server}->{tag}}{lc $chanrec->{name}}{lc $nickrec->{nick}} =
delete $last_message{$chanrec->{server}->{tag}}{lc $chanrec->{name}}{lc $oldnick};
} );
signal_add('channel created', \&last_message_clear);
signal_add('channel destroyed', \&last_message_clear);
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