X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/55515050e1f3aad13dc96796a347cefa98e8e472..f32f6411ff604a879151ab329907afca351ea3b6:/IkiWiki/Plugin/meta.pm

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 47007afe2..421f1dc86 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -40,10 +40,10 @@ sub needsbuild (@) {
 	return $needsbuild;
 }
 
-sub scrub ($$) {
+sub scrub ($$$) {
 	if (IkiWiki::Plugin::htmlscrubber->can("sanitize")) {
 		return IkiWiki::Plugin::htmlscrubber::sanitize(
-			content => shift, destpage => shift);
+			content => shift, page => shift, destpage => shift);
 	}
 	else {
 		return shift;
@@ -162,7 +162,7 @@ sub preprocess (@) {
 	# Metadata handling that happens only during preprocessing pass.
 	if ($key eq 'permalink') {
 		if (safeurl($value)) {
-			push @{$metaheaders{$page}}, scrub('<link rel="bookmark" href="'.encode_entities($value).'" />', $destpage);
+			push @{$metaheaders{$page}}, scrub('<link rel="bookmark" href="'.encode_entities($value).'" />', $page, $destpage);
 		}
 	}
 	elsif ($key eq 'stylesheet') {
@@ -174,10 +174,21 @@ sub preprocess (@) {
 		if (! length $stylesheet) {
 			error gettext("stylesheet not found")
 		}
-		push @{$metaheaders{$page}}, '<link href="'.urlto($stylesheet, $page).
+		push @{$metaheaders{$page}}, scrub('<link href="'.urlto($stylesheet, $page).
 			'" rel="'.encode_entities($rel).
 			'" title="'.encode_entities($title).
-			"\" type=\"text/css\" />";
+			"\" type=\"text/css\" />", $page, $destpage);
+	}
+	elsif ($key eq 'script') {
+		my $defer=exists $params{defer} ? ' defer="defer"' : '';
+		my $async=exists $params{async} ? ' async="async"' : '';
+		my $js=bestlink($page, $value.".js");
+		if (! length $js) {
+			error gettext("script not found");
+		}
+		push @{$metaheaders{$page}}, scrub('<script src="'.urlto($js, $page).
+			'"' . $defer . $async . ' type="text/javascript"></script>',
+			$page, $destpage);
 	}
 	elsif ($key eq 'openid') {
 		my $delegate=0; # both by default
@@ -206,6 +217,13 @@ sub preprocess (@) {
 				'content="'.encode_entities($url).'" />';
 		}
 	}
+	elsif ($key eq 'foaf') {
+		if (safeurl($value)) {
+			push @{$metaheaders{$page}}, '<link rel="meta" '.
+				'type="application/rdf+xml" title="FOAF" '.
+				'href="'.encode_entities($value).'" />';
+		}
+	}
 	elsif ($key eq 'redir') {
 		return "" if $page ne $destpage;
 		my $safe=0;
@@ -240,7 +258,7 @@ sub preprocess (@) {
 		my $delay=int(exists $params{delay} ? $params{delay} : 0);
 		my $redir="<meta http-equiv=\"refresh\" content=\"$delay; URL=$value\" />";
 		if (! $safe) {
-			$redir=scrub($redir, $destpage);
+			$redir=scrub($redir, $page, $destpage);
 		}
 		push @{$metaheaders{$page}}, $redir;
 	}
@@ -250,28 +268,34 @@ sub preprocess (@) {
 				join(" ", map {
 					encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\""
 				} keys %params).
-				" />\n", $destpage);
+				" />\n", $page, $destpage);
 		}
 	}
 	elsif ($key eq 'robots') {
 		push @{$metaheaders{$page}}, '<meta name="robots"'.
 			' content="'.encode_entities($value).'" />';
 	}
-	elsif ($key eq 'description') {
-		push @{$metaheaders{$page}}, '<meta name="'.
-			encode_entities($key).
+	elsif ($key eq 'description' || $key eq 'author') {
+		push @{$metaheaders{$page}}, '<meta name="'.$key.
 			'" content="'.encode_entities($value).'" />';
 	}
 	elsif ($key eq 'name') {
-		push @{$metaheaders{$page}}, scrub('<meta '.$key.'="'.
+		push @{$metaheaders{$page}}, scrub('<meta name="'.
 			encode_entities($value).
 			join(' ', map { "$_=\"$params{$_}\"" } keys %params).
-			' />', $destpage);
+			' />', $page, $destpage);
+	}
+	elsif ($key eq 'keywords') {
+		# Make sure the keyword string is safe: only allow alphanumeric
+		# characters, space and comma and strip the rest.
+		$value =~ s/[^[:alnum:], ]+//g;
+		push @{$metaheaders{$page}}, '<meta name="keywords"'.
+			' content="'.encode_entities($value).'" />';
 	}
 	else {
 		push @{$metaheaders{$page}}, scrub('<meta name="'.
 			encode_entities($key).'" content="'.
-			encode_entities($value).'" />', $destpage);
+			encode_entities($value).'" />', $page, $destpage);
 	}
 
 	return "";
@@ -289,16 +313,26 @@ sub pagetemplate (@) {
 		$template->param(meta => join("\n", grep { (! $seen{$_}) && ($seen{$_}=1) } @{$metaheaders{$page}}));
 	}
 	if (exists $pagestate{$page}{meta}{title} && $template->query(name => "title")) {
+		eval q{use HTML::Entities};
 		$template->param(title => HTML::Entities::encode_numeric($pagestate{$page}{meta}{title}));
 		$template->param(title_overridden => 1);
 	}
 
-	foreach my $field (qw{author authorurl permalink}) {
-		$template->param($field => $pagestate{$page}{meta}{$field})
+	foreach my $field (qw{authorurl}) {
+		eval q{use HTML::Entities};
+		$template->param($field => HTML::Entities::encode_entities($pagestate{$page}{meta}{$field}))
 			if exists $pagestate{$page}{meta}{$field} && $template->query(name => $field);
 	}
 
-	foreach my $field (qw{description}) {
+	foreach my $field (qw{permalink}) {
+		if (exists $pagestate{$page}{meta}{$field} && $template->query(name => $field)) {
+			eval q{use HTML::Entities};
+			$template->param($field => HTML::Entities::encode_entities(IkiWiki::urlabs($pagestate{$page}{meta}{$field}, $config{url})));
+		}
+	}
+
+	foreach my $field (qw{description author}) {
+		eval q{use HTML::Entities};
 		$template->param($field => HTML::Entities::encode_numeric($pagestate{$page}{meta}{$field}))
 			if exists $pagestate{$page}{meta}{$field} && $template->query(name => $field);
 	}