X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/64a8c828b8cfa342118dd6e28b9dff43d83c6311..2863b45b5f93de8708ea20cf3db15ca610a467d7:/IkiWiki/Plugin/meta.pm

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 849a13e37..8d444109f 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -9,16 +9,26 @@ use IkiWiki 2.00;
 my %metaheaders;
 
 sub import { #{{{
+	hook(type => "getsetup", id => "meta", call => \&getsetup);
 	hook(type => "needsbuild", id => "meta", call => \&needsbuild);
 	hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1);
 	hook(type => "pagetemplate", id => "meta", call => \&pagetemplate);
 } # }}}
 
+sub getsetup () { #{{{
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+} #}}}
+
 sub needsbuild (@) { #{{{
 	my $needsbuild=shift;
 	foreach my $page (keys %pagestate) {
 		if (exists $pagestate{$page}{meta}) {
-			if (grep { $_ eq $pagesources{$page} } @$needsbuild) {
+			if (exists $pagesources{$page} &&
+			    grep { $_ eq $pagesources{$page} } @$needsbuild) {
 				# remove state, it will be re-added
 				# if the preprocessor directive is still
 				# there during the rebuild
@@ -37,11 +47,22 @@ sub scrub ($) { #{{{
 	}
 } #}}}
 
+sub safeurl ($) { #{{{
+	my $url=shift;
+	if (exists $IkiWiki::Plugin::htmlscrubber::{safe_url_regexp} &&
+	    defined $IkiWiki::Plugin::htmlscrubber::safe_url_regexp) {
+		return $url=~/$IkiWiki::Plugin::htmlscrubber::safe_url_regexp/;
+	}
+	else {
+		return 1;
+	}
+} #}}}
+
 sub htmlize ($$$) { #{{{
 	my $page = shift;
 	my $destpage = shift;
 
-	return IkiWiki::htmlize($page, pagetype($pagesources{$page}),
+	return IkiWiki::htmlize($page, $destpage, pagetype($pagesources{$page}),
 		IkiWiki::linkify($page, $destpage,
 		IkiWiki::preprocess($page, $destpage, shift)));
 }
@@ -66,6 +87,15 @@ sub preprocess (@) { #{{{
 	# Metadata collection that needs to happen during the scan pass.
 	if ($key eq 'title') {
 		$pagestate{$page}{meta}{title}=HTML::Entities::encode_numeric($value);
+		# fallthrough
+	}
+	elsif ($key eq 'description') {
+		$pagestate{$page}{meta}{description}=HTML::Entities::encode_numeric($value);
+		# fallthrough
+	}
+	elsif ($key eq 'guid') {
+		$pagestate{$page}{meta}{guid}=HTML::Entities::encode_numeric($value);
+		# fallthrough
 	}
 	elsif ($key eq 'license') {
 		push @{$metaheaders{$page}}, '<link rel="license" href="#page_license" />';
@@ -87,7 +117,7 @@ sub preprocess (@) { #{{{
 		# fallthorough
 	}
 	elsif ($key eq 'authorurl') {
-		$pagestate{$page}{meta}{authorurl}=$value;
+		$pagestate{$page}{meta}{authorurl}=$value if safeurl($value);
 		# fallthrough
 	}
 
@@ -105,8 +135,10 @@ sub preprocess (@) { #{{{
 		}
 	}
 	elsif ($key eq 'permalink') {
-		$pagestate{$page}{meta}{permalink}=$value;
-		push @{$metaheaders{$page}}, scrub('<link rel="bookmark" href="'.encode_entities($value).'" />');
+		if (safeurl($value)) {
+			$pagestate{$page}{meta}{permalink}=$value;
+			push @{$metaheaders{$page}}, scrub('<link rel="bookmark" href="'.encode_entities($value).'" />');
+		}
 	}
 	elsif ($key eq 'stylesheet') {
 		my $rel=exists $params{rel} ? $params{rel} : "alternate stylesheet";
@@ -115,7 +147,7 @@ sub preprocess (@) { #{{{
 		# editable page as a stylesheet
 		my $stylesheet=bestlink($page, $value.".css");
 		if (! length $stylesheet) {
-			return "[[meta ".gettext("stylesheet not found")."]]";
+			error gettext("stylesheet not found")
 		}
 		push @{$metaheaders{$page}}, '<link href="'.urlto($stylesheet, $page).
 			'" rel="'.encode_entities($rel).
@@ -123,12 +155,22 @@ sub preprocess (@) { #{{{
 			"\" type=\"text/css\" />";
 	}
 	elsif ($key eq 'openid') {
-		if (exists $params{server}) {
+		if (exists $params{server} && safeurl($params{server})) {
 			push @{$metaheaders{$page}}, '<link href="'.encode_entities($params{server}).
 				'" rel="openid.server" />';
+			push @{$metaheaders{$page}}, '<link href="'.encode_entities($params{server}).
+				'" rel="openid2.provider" />';
+		}
+		if (safeurl($value)) {
+			push @{$metaheaders{$page}}, '<link href="'.encode_entities($value).
+				'" rel="openid.delegate" />';
+			push @{$metaheaders{$page}}, '<link href="'.encode_entities($value).
+				'" rel="openid2.local_id" />';
+		}
+		if (exists $params{"xrds-location"} && safeurl($params{"xrds-location"})) {
+			push @{$metaheaders{$page}}, '<meta http-equiv="X-XRDS-Location"'.
+				'content="'.encode_entities($params{"xrds-location"}).'" />';
 		}
-		push @{$metaheaders{$page}}, '<link href="'.encode_entities($value).
-			'" rel="openid.delegate" />';
 	}
 	elsif ($key eq 'redir') {
 		return "" if $page ne $destpage;
@@ -139,7 +181,7 @@ sub preprocess (@) { #{{{
 			add_depends($page, $redir_page);
 			my $link=bestlink($page, $redir_page);
 			if (! length $link) {
-				return "[[meta ".gettext("redir page not found")."]]";
+				error gettext("redir page not found")
 			}
 
 			$value=urlto($link, $page);
@@ -152,7 +194,7 @@ sub preprocess (@) { #{{{
 			my %seen;
 			while (exists $pagestate{$at}{meta}{redir}) {
 				if ($seen{$at}) {
-					return "[[meta ".gettext("redir cycle is not allowed")."]]";
+					error gettext("redir cycle is not allowed")
 				}
 				$seen{$at}=1;
 				$at=$pagestate{$at}{meta}{redir};
@@ -162,7 +204,7 @@ sub preprocess (@) { #{{{
 			$value=encode_entities($value);
 		}
 		my $delay=int(exists $params{delay} ? $params{delay} : 0);
-		my $redir="<meta http-equiv=\"refresh\" content=\"$delay; URL=$value\">";
+		my $redir="<meta http-equiv=\"refresh\" content=\"$delay; URL=$value\" />";
 		if (! $safe) {
 			$redir=scrub($redir);
 		}
@@ -177,6 +219,10 @@ sub preprocess (@) { #{{{
 				" />\n");
 		}
 	}
+	elsif ($key eq 'robots') {
+		push @{$metaheaders{$page}}, '<meta name="robots"'.
+			' content="'.encode_entities($value).'" />';
+	}
 	else {
 		push @{$metaheaders{$page}}, scrub('<meta name="'.encode_entities($key).
 			'" content="'.encode_entities($value).'" />');
@@ -220,16 +266,14 @@ sub match { #{{{
 	my $page=shift;
 	
 	# turn glob into a safe regexp
-	my $re=quotemeta(shift);
-	$re=~s/\\\*/.*/g;
-	$re=~s/\\\?/./g;
+	my $re=IkiWiki::glob2re(shift);
 
 	my $val;
 	if (exists $pagestate{$page}{meta}{$field}) {
 		$val=$pagestate{$page}{meta}{$field};
 	}
 	elsif ($field eq 'title') {
-		$val=pagetitle($page);
+		$val = pagetitle($page);
 	}
 
 	if (defined $val) {