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#!/usr/bin/perl
package IkiWiki::Plugin::htmlscrubber;
use warnings;
use strict;
use IkiWiki;
sub import { #{{{
hook(type => "sanitize", id => "htmlscrubber", call => \&sanitize);
} # }}}
sub sanitize (@) { #{{{
my %params=@_;
return scrubber()->scrub($params{content});
} # }}}
my $_scrubber;
sub scrubber { #{{{
return $_scrubber if defined $_scrubber;
eval q{use HTML::Scrubber};
error($@) if $@;
# Lists based on http://feedparser.org/docs/html-sanitization.html
$_scrubber = HTML::Scrubber->new(
allow => [qw{
a abbr acronym address area b big blockquote br
button caption center cite code col colgroup dd del
dfn dir div dl dt em fieldset font form h1 h2 h3 h4
h5 h6 hr i img input ins kbd label legend li map
menu ol optgroup option p pre q s samp select small
span strike strong sub sup table tbody td textarea
tfoot th thead tr tt u ul var
}],
default => [undef, { map { $_ => 1 } qw{
abbr accept accept-charset accesskey action
align alt axis border cellpadding cellspacing
char charoff charset checked cite class
clear cols colspan color compact coords
datetime dir disabled enctype for frame
headers height href hreflang hspace id ismap
label lang longdesc maxlength media method
multiple name nohref noshade nowrap prompt
readonly rel rev rows rowspan rules scope
selected shape size span src start summary
tabindex target title type usemap valign
value vspace width
}, "/" => 1, # emit proper <hr /> XHTML
}],
);
return $_scrubber;
} # }}}
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