added beginnings of flood_detect.pl, a script to perform arbitrary actions on

channel flooding/spamming users.

1 files changed, 143 insertions, 0 deletions

diff --git a/flood-detect/flood_detect.pl b/flood-detect/flood_detect.pl
new file mode 100644
index 0000000..f34c7ae
--- /dev/null
+++ b/flood-detect/flood_detect.pl
@@ -0,0 +1,143 @@
+=pod
+
+=head1 NAME
+
+template.pl
+
+=head1 DESCRIPTION
+
+A minimalist template useful for basing actual scripts on.
+
+=head1 INSTALLATION
+
+Copy into your F<~/.irssi/scripts/> directory and load with
+C</SCRIPT LOAD F<filename>>.
+
+=head1 USAGE
+
+None, since it doesn't actually do anything.
+
+=head1 AUTHORS
+
+Copyright E<copy> 2011 Tom Feist C<E<lt>shabble+irssi@metavore.orgE<gt>>
+
+=head1 LICENCE
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+=head1 BUGS
+
+=head1 TODO
+
+Use this template to make an actual script.
+
+=cut
+
+use strict;
+use warnings;
+
+use Irssi;
+use Irssi::Irc;
+use Irssi::TextUI;
+
+use Data::Dumper;
+
+our $VERSION = '0.1';
+our %IRSSI = (
+              authors     => 'shabble',
+              contact     => 'shabble+irssi@metavore.org',
+              name        => 'flood-detect',
+              description => '',
+              license     => 'MIT',
+              updated     => '$DATE'
+             );
+
+
+my $NAME  = $IRSSI{name};
+my $DEBUG = 0;
+
+sub DEBUG () { $DEBUG }
+
+sub setup_changed {
+    $DEBUG = Irssi::settings_get_bool($NAME . '_debug');
+}
+
+sub DEBUG () { $DEBUG }
+
+sub _debug_print {
+    my ($msg) = @_;
+    Irssi::active_window()->print($msg);
+}
+
+sub sig_setup_changed {
+    $DEBUG = Irssi::settings_get_bool($NAME . '_debug');
+    _debug_print($NAME . ': debug enabled') if $DEBUG;
+}
+
+sub init {
+    Irssi::theme_register
+        ([
+          verbatim      => '[$*]',
+          script_loaded => 'Loaded script {hilight $0} v$1',
+         ]);
+    Irssi::settings_add_bool($NAME, $NAME . '_debug', 0);
+    Irssi::signal_add('setup changed', \&sig_setup_changed);
+
+    Irssi::settings_add_int($NAME, 'flood_detect_lines',  10);
+    Irssi::settings_add_int($NAME, 'flood_detect_period', 10);
+    Irssi::settings_add_str($NAME, 'flood_detected_action', '/echo $N is flooding!');
+
+    sig_setup_changed();
+
+    Irssi::printformat(Irssi::MSGLEVEL_CLIENTCRAP,
+                       'script_loaded', $NAME, $VERSION);
+}
+
+init();
+
+
+sub apply_flood_action {
+
+    my ($channel, $nick, $nick_addr) = @_;
+
+    my $action_setting = Irssi::settings_get_str('flood_detected_action');
+
+    my @actions = split /\s*;\s*/, $action_setting;
+
+    foreach my $action (@actions) {
+
+        my $processed_action = $action;
+
+        if ($action =~ m/suppress/i) {
+            return 0;
+        } elsif ($action =~ m/kick/i) {
+            $processed_action = "/KICK $target $nick";
+        } else {
+            $processed_action =~ s/\$nick/$nick/;
+            $processed_action =~ s/\$channel/$channel/;
+            $processed_action =~ s/\$host/$nick_addr/;
+
+        }
+
+        $processed_action = "/echo $action" if DEBUG;
+        $server->command($processed_action);
+    }
+}
+
+init();