From a0c58bb471533fd33ebe58f5bbc79d4d191a0be0 Mon Sep 17 00:00:00 2001
From: Elijah Perrault <elijah@starcoder.info>
Date: Wed, 9 Feb 2011 19:54:26 -0700
Subject: [PATCH] Added a Badwords module.

---
 doc/CHANGELOG       |   1 +
 modules/Badwords.pm | 127 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 128 insertions(+)
 create mode 100644 modules/Badwords.pm

diff --git a/doc/CHANGELOG b/doc/CHANGELOG
index d96f4f4..48e6fd7 100644
--- a/doc/CHANGELOG
+++ b/doc/CHANGELOG
@@ -3,6 +3,7 @@ Auto IRC Bot 3.0: Change Log
 
 3.0 Indev
 ==================================================================
+    * Added a Badwords module.
     * Added kick() to API::IRC.
     * Added DBI and DBD::SQLite to core dependencies.
     * Added on_connect hook, triggered after we receive 001.
diff --git a/modules/Badwords.pm b/modules/Badwords.pm
new file mode 100644
index 0000000..65a5d03
--- /dev/null
+++ b/modules/Badwords.pm
@@ -0,0 +1,127 @@
+# Auto IRC Bot. An advanced, lightweight and powerful IRC bot.
+# Copyright (C) 2010-2011 Xelhua Development Team (doc/CREDITS)
+# This program is free software; rights to this code are stated in doc/LICENSE.
+package m_Badwords;
+use strict;
+use warnings;
+use feature qw(switch);
+use API::Std qw(hook_add hook_del conf_get err);
+use API::IRC qw(privmsg notice kick cmode);
+
+# Initialization subroutine.
+sub _init 
+{
+    # Check for required configuration values.
+	if (!conf_get('badwords')) {
+		err(2, 'Please verify that you have a badwords block with word entries defined in your configuration file.', 0);
+		return;
+	}
+    # Create the act_on_badword hook.
+	hook_add('on_cprivmsg', 'act_on_badword', \&m_Badwords::actonbadword) or return;
+
+    # Success.
+    return 1;
+}
+
+# Void subroutine.
+sub _void 
+{
+    # Delete the act_on_badword hook.
+	hook_del('act_on_badword') or return 0;
+
+    # Success.
+	return 1;
+}
+
+# Callback for act_on_badword hook.
+sub actonbadword
+{
+	my (($svr, @ex)) = @_;
+    my %src = API::IRC::usrc(substr $ex[0], 1);
+
+	my $msg = substr $ex[3], 1;
+    for (my $i = 4; $i < scalar @ex; $i++) { $msg .= q{ }.$ex[$i]; }
+
+    if (conf_get("badwords:$ex[2]:word")) {
+        my @words = @{ (conf_get("badwords:$ex[2]:word"))[0] };
+
+        foreach (@words) {
+            my ($w, $a) = split m/[:]/, $_;
+
+            if ($msg =~ m/($w)/ixsm) {
+                given ($a) {
+                    when ('kick') { 
+                        kick($svr, $ex[2], $src{nick}, 'Foul language is prohibited here.'); 
+                    }
+                    when ('kickban') { 
+                        cmode($svr, $ex[2], '+b *!*@'.$src{host}); 
+                        kick($svr, $ex[2], $src{nick}, 'Foul language is prohibited here.'); 
+                    }
+                    when ('quiet') { 
+                        cmode($svr, $ex[2], '+q *!*@'.$src{host}); 
+                    }
+                    default { 
+                        kick($svr, $ex[2], $src{nick}, 'Foul language is prohibited here.'); 
+                    }
+                }
+            }
+        }
+    }
+
+    return 1;
+}
+
+
+API::Std::mod_init("Badwords", "Xelhua", "1.00", "3.0.0d", __PACKAGE__);
+
+__END__
+
+=head1 Badwords
+
+=head2 Description
+
+=over
+
+This module adds the ability to kick/ban a user if a configured word is
+sent by them in a PRIVMSG to a configured channel using a badwords block.
+
+=back
+
+=head2 How To Use
+
+=over
+
+Add Badwords to module auto-load and the following to your configuration file:
+
+  badwords "#channel" {
+    word "foo:kick";
+    word "bar:kickban";
+    word "moo:quiet";
+    word "cows:kickban";
+  }
+
+Changing the obvious to your wish.
+
+=back
+
+=head2 Examples
+
+=over
+
+  badwords "#johnsmith" {
+    word "moo:ban";
+  }
+
+<troll> moo
+* Auto sets mode +b *!*@troll.com
+* Auto has kicked troll from #johnsmith (Foul language is prohibited here.)
+
+=back
+
+=head2 Technical
+
+=over
+
+This module is compatible with Auto version 3.0.0a3+.
+
+=back