1 files changed, 76 insertions, 0 deletions
diff --git a/scripts/norepeat.pl b/scripts/norepeat.pl
new file mode 100644
index 0000000..02aec56
--- /dev/null
+++ b/scripts/norepeat.pl
@@ -0,0 +1,76 @@
+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);