69 lines
1.7 KiB
Perl
69 lines
1.7 KiB
Perl
#!/usr/bin/perl
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package IkiWiki::Plugin::embed;
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use warnings;
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use strict;
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use IkiWiki 2.00;
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my $attribr=qr/[^<>"]+/;
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# regexp matching known-safe html
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my $safehtml=qr{(
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# google maps
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<\s*iframe\s+width="\d+"\s+height="\d+"\s+frameborder="$attribr"\s+
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scrolling="$attribr"\s+marginheight="\d+"\s+marginwidth="\d+"\s+
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src="http://maps.google.com/\?$attribr"\s*>\s*</iframe>
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# youtube
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<\s*object\s+width="\d+"\s+height="\d+"\s*>\s*
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<\s*param\s+name="movie"\s+value="http://www.youtube.com/v/$attribr"\s*>\s*
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</param>\s*
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<\s*param\s+name="wmode"\s+value="transparent"\s*>\s*</param>\s*
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<embed\s+src="http://www.youtube.com/v/$attribr"\s+
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type="application/x-shockwave-flash"\s+wmode="transparent"\s+
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width="\d+"\s+height="\d+"\s*>\s*</embed>\s*</object>
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# google video
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<\s*embed\s+style="\s*width:\d+px;\s+height:\d+px;\s*"\s+id="$attribr"\s+
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type="application/x-shockwave-flash"\s+
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src="http://video.google.com/googleplayer.swf\?$attribr"\s+
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flashvars=""\s*>\s*</embed>
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# google calendar
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<\s*iframe\s+src="http://www.google.com/calendar/embed\?src=$attribr"\s+
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style="\s*border-width:\d+\s*"\s+width="\d+"\s+frameborder="\d+"\s*
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height="\d+"\s*>\s*</iframe>
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)}sx;
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my @embedded;
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sub import { #{{{
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hook(type => "filter", id => "embed", call => \&filter);
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} # }}}
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sub embed ($) { #{{{
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hook(type => "format", id => "embed", call => \&format) unless @embedded;
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push @embedded, shift;
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return "<div class=\"embed$#embedded\"></div>";
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} #}}}
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sub filter (@) { #{{{
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my %params=@_;
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$params{content} =~ s/$safehtml/embed($1)/eg;
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return $params{content};
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} # }}}
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sub format (@) { #{{{
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my %params=@_;
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$params{content} =~ s/<div class="embed(\d+)"><\/div>/$embedded[$1]/eg;
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return $params{content};
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} # }}}
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1
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