=head1 NAME

Kwiki::URLBlock - Blocks edit based on added URLs

=head1 DESCRIPTION

It blocks an edit if you add too many URLs or if you enter a
blacklisted one.

=head2 Configuration

The default config variables that you can override in config.yaml are:

 urlblock_max_allowed: 3
 urlblock_blacklist:

urlblock_blacklist is a path to a blacklist file.

The syntax is a list of newline separated regexps. Anything after # is
treated as a comment. Whitespace is ignored.

Example taken from L<http://wiki.mozilla.org/wiki/Spam_blacklist>:

 # some known "bad" domains
 ltjz2000\.com
 ticketsmyway\.com
 emmss\.com
 [0-9][0-9][0-9][0-9][0-9][0-9]*\.com # 5 or more character numeric .coms
 # some words frequently used by spammers in urls
 camgirl
 parishilton
 online-casino

=head1 AUTHORS

Jon Aslund L<http://jon.aslund.org>, Jooon at #kwiki on Freenode

=head1 SEE ALSO

L<Kwiki>
L<URI::Find>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2005, Jon Aslund

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.