X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/490f95616a8a49f2120655d07c282eefd067e640..cd5a24d8b405902801ca710cb77d6cc3f802f90f:/IkiWiki/Plugin/meta.pm

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 4992617d0..e7b96bdf1 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -37,12 +37,13 @@ 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;
@@ -88,30 +89,30 @@ sub preprocess (@) {
 
 	# Metadata collection that needs to happen during the scan pass.
 	if ($key eq 'title') {
-		$pagestate{$page}{meta}{title}=HTML::Entities::encode_numeric($value);
+		$pagestate{$page}{meta}{title}=$value;
 		if (exists $params{sortas}) {
 			$pagestate{$page}{meta}{titlesort}=$params{sortas};
 		}
 		else {
-			$pagestate{$page}{meta}{titlesort}=$value;
+			delete $pagestate{$page}{meta}{titlesort};
 		}
 		return "";
 	}
 	elsif ($key eq 'description') {
-		$pagestate{$page}{meta}{description}=HTML::Entities::encode_numeric($value);
+		$pagestate{$page}{meta}{description}=$value;
 		# fallthrough
 	}
 	elsif ($key eq 'guid') {
-		$pagestate{$page}{meta}{guid}=HTML::Entities::encode_numeric($value);
+		$pagestate{$page}{meta}{guid}=$value;
 		# fallthrough
 	}
 	elsif ($key eq 'license') {
-		push @{$metaheaders{$page}}, '<link rel="license" href="#page_license" />';
+		push @{$metaheaders{$page}}, '<link rel="license" href="#pagelicense" />';
 		$pagestate{$page}{meta}{license}=$value;
 		return "";
 	}
 	elsif ($key eq 'copyright') {
-		push @{$metaheaders{$page}}, '<link rel="copyright" href="#page_copyright" />';
+		push @{$metaheaders{$page}}, '<link rel="copyright" href="#pagecopyright" />';
 		$pagestate{$page}{meta}{copyright}=$value;
 		return "";
 	}
@@ -120,13 +121,25 @@ sub preprocess (@) {
 		add_link($page, $value);
 		return "";
 	}
+	elsif ($key eq 'enclosure') {
+		my $link=bestlink($page, $value);
+		if (! length $link) {
+			error gettext("enclosure not found")
+		}
+		add_depends($page, $link, deptype("presence"));
+
+		$value=urlto($link, $page, 1);
+		$pagestate{$page}{meta}{enclosure}=$value;
+		$pagestate{$page}{meta}{enclosurefile}=$link;
+		# fallthrough
+	}
 	elsif ($key eq 'author') {
 		$pagestate{$page}{meta}{author}=$value;
 		if (exists $params{sortas}) {
 			$pagestate{$page}{meta}{authorsort}=$params{sortas};
 		}
 		else {
-			$pagestate{$page}{meta}{authorsort}=$value;
+			delete $pagestate{$page}{meta}{authorsort};
 		}
 		# fallthorough
 	}
@@ -161,7 +174,7 @@ 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') {
@@ -173,10 +186,21 @@ 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
@@ -197,8 +221,19 @@ sub preprocess (@) {
 				'" rel="openid2.local_id" />' if $delegate ne 1;
 		}
 		if (exists $params{"xrds-location"} && safeurl($params{"xrds-location"})) {
-			push @{$metaheaders{$page}}, '<meta http-equiv="X-XRDS-Location"'.
-				'content="'.encode_entities($params{"xrds-location"}).'" />';
+			# force url absolute
+			eval q{use URI};
+			error($@) if $@;
+			my $url=URI->new_abs($params{"xrds-location"}, $config{url});
+			push @{$metaheaders{$page}}, '<meta http-equiv="X-XRDS-Location" '.
+				'content="'.encode_entities($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') {
@@ -235,7 +270,7 @@ 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}}, $redir;
 	}
@@ -245,20 +280,34 @@ sub preprocess (@) {
 				join(" ", map {
 					encode_entities($_)."=\"".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 name="'.
+			encode_entities($value).
+			join(' ', map { "$_=\"$params{$_}\"" } keys %params).
+			' />', $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).'" />', $destpage);
+		push @{$metaheaders{$page}}, scrub('<meta name="'.
+			encode_entities($key).'" content="'.
+			encode_entities($value).'" />', $page, $destpage);
 	}
 
 	return "";
@@ -276,12 +325,31 @@ sub pagetemplate (@) {
 		$template->param(meta => join("\n", grep { (! $seen{$_}) && ($seen{$_}=1) } @{$metaheaders{$page}}));
 	}
 	if (exists $pagestate{$page}{meta}{title} && $template->query(name => "title")) {
-		$template->param(title => $pagestate{$page}{meta}{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 description permalink}) {
-		$template->param($field => $pagestate{$page}{meta}{$field})
+	if (exists $pagestate{$page}{meta}{enclosure}) {
+		$template->param(enclosure => HTML::Entities::encode_entities(IkiWiki::urlabs($pagestate{$page}{meta}{enclosure}, $config{url})));
+	}
+
+	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{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);
 	}
 
@@ -295,8 +363,8 @@ sub pagetemplate (@) {
 }
 
 sub get_sort_key {
-	my $page = $_[0];
-	my $meta = $_[1];
+	my $page = shift;
+	my $meta = shift;
 
 	# e.g. titlesort (also makes sense for author)
 	my $key = $pagestate{$page}{meta}{$meta . "sort"};
@@ -337,15 +405,15 @@ sub match {
 	}
 
 	if (defined $val) {
-		if ($val=~/^$re$/i) {
+		if ($val=~$re) {
 			return IkiWiki::SuccessReason->new("$re matches $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
 		}
 		else {
-			return IkiWiki::FailReason->new("$re does not match $field of $page", "" => 1);
+			return IkiWiki::FailReason->new("$re does not match $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
 		}
 	}
 	else {
-		return IkiWiki::FailReason->new("$page does not have a $field", "" => 1);
+		return IkiWiki::FailReason->new("$page does not have a $field", $page => $IkiWiki::DEPEND_CONTENT);
 	}
 }
 
@@ -371,28 +439,30 @@ sub match_copyright ($$;@) {
 	IkiWiki::Plugin::meta::match("copyright", @_);
 }
 
+sub match_guid ($$;@) {
+	IkiWiki::Plugin::meta::match("guid", @_);
+}
+
 package IkiWiki::SortSpec;
 
 sub cmp_meta {
-	my $left = $_[0];
-	my $right = $_[1];
-	my $meta = $_[2];
+	my $meta = shift;
 	error(gettext("sort=meta requires a parameter")) unless defined $meta;
 
 	if ($meta eq 'updated' || $meta eq 'date') {
-		return IkiWiki::Plugin::meta::get_sort_key($left, $meta)
+		return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
 			<=>
-			IkiWiki::Plugin::meta::get_sort_key($right, $meta);
+			IkiWiki::Plugin::meta::get_sort_key($b, $meta);
 	}
 
-	return IkiWiki::Plugin::meta::get_sort_key($left, $meta)
+	return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
 		cmp
-		IkiWiki::Plugin::meta::get_sort_key($right, $meta);
+		IkiWiki::Plugin::meta::get_sort_key($b, $meta);
 }
 
 # A prototype of how sort=title could behave in 4.0 or something
 sub cmp_meta_title {
-	$_[2] = 'title';
+	$_[0] = 'title';
 	return cmp_meta(@_);
 }