X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/22df49a2bf92302d4c6e25a04e9c7589a93844a9..eabe03fb5bcb06b950d25e6c1e7881a441ab284d:/IkiWiki/Plugin/meta.pm?ds=sidebyside

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 15a8bad84..f498398a2 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -4,18 +4,37 @@ package IkiWiki::Plugin::meta;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
 my %meta;
 my %title;
+my %permalink;
+my %author;
+my %authorurl;
 
 sub import { #{{{
-	IkiWiki::hook(type => "preprocess", id => "meta", 
-		call => \&preprocess);
-	IkiWiki::hook(type => "pagetemplate", id => "meta", 
-		call => \&pagetemplate);
+	hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1);
+	hook(type => "filter", id => "meta", call => \&filter);
+	hook(type => "pagetemplate", id => "meta", call => \&pagetemplate);
 } # }}}
 
+sub filter (@) { #{{{
+	my %params=@_;
+	
+	$meta{$params{page}}='';
+
+	return $params{content};
+} # }}}
+
+sub scrub ($) { #{{{
+	if (IkiWiki::Plugin::htmlscrubber->can("sanitize")) {
+		return IkiWiki::Plugin::htmlscrubber::sanitize(content => shift);
+	}
+	else {
+		return shift;
+	}
+} #}}}
+
 sub preprocess (@) { #{{{
 	if (! @_) {
 		return "";
@@ -27,27 +46,69 @@ sub preprocess (@) { #{{{
 	my $page=$params{page};
 	delete $params{page};
 	delete $params{destpage};
+	delete $params{preview};
 
-	eval q{use CGI 'escapeHTML'};
+	eval q{use HTML::Entities};
+	# Always dencode, even if encoding later, since it might not be
+	# fully encoded.
+	$value=decode_entities($value);
 
 	if ($key eq 'link') {
 		if (%params) {
-			$meta{$page}='' unless exists $meta{$page};
-			$meta{$page}.="<link href=\"".escapeHTML($value)."\" ".
-				join(" ", map { escapeHTML("$_=\"$params{$_}\"") } keys %params).
-				" />\n";
+			$meta{$page}.=scrub("<link href=\"".encode_entities($value)."\" ".
+				join(" ", map { encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\"" } keys %params).
+				" />\n");
 		}
 		else {
 			# hidden WikiLink
-			push @{$IkiWiki::links{$page}}, $value;
+			push @{$links{$page}}, $value;
 		}
 	}
 	elsif ($key eq 'title') {
-		$title{$page}=escapeHTML($value);
+		$title{$page}=HTML::Entities::encode_numeric($value);
+	}
+	elsif ($key eq 'permalink') {
+		$permalink{$page}=$value;
+		$meta{$page}.=scrub("<link rel=\"bookmark\" href=\"".encode_entities($value)."\" />\n");
+	}
+	elsif ($key eq 'date') {
+		eval q{use Date::Parse};
+		if (! $@) {
+			my $time = str2time($value);
+			$IkiWiki::pagectime{$page}=$time if defined $time;
+		}
+	}
+	elsif ($key eq 'stylesheet') {
+		my $rel=exists $params{rel} ? $params{rel} : "alternate stylesheet";
+		my $title=exists $params{title} ? $params{title} : $value;
+		# adding .css to the value prevents using any old web
+		# editable page as a stylesheet
+		my $stylesheet=bestlink($page, $value.".css");
+		if (! length $stylesheet) {
+			return "[[meta ".gettext("stylesheet not found")."]]";
+		}
+		$meta{$page}.='<link href="'.urlto($stylesheet, $page).
+			'" rel="'.encode_entities($rel).
+			'" title="'.encode_entities($title).
+			"\" style=\"text/css\" />\n";
+	}
+	elsif ($key eq 'openid') {
+		if (exists $params{server}) {
+			$meta{$page}.='<link href="'.encode_entities($params{server}).
+				"\" rel=\"openid.server\" />\n";
+		}
+		$meta{$page}.='<link href="'.encode_entities($value).
+			"\" rel=\"openid.delegate\" />\n";
 	}
 	else {
-		$meta{$page}='' unless exists $meta{$page};
-		$meta{$page}.="<meta name=\"".escapeHTML($key)."\" content=\"".escapeHTML($value)."\" />\n";
+		$meta{$page}.=scrub("<meta name=\"".encode_entities($key).
+			"\" content=\"".encode_entities($value)."\" />\n");
+		if ($key eq 'author') {
+			$author{$page}=$value;
+		}
+		elsif ($key eq 'authorurl') {
+			$authorurl{$page}=$value;
+		}
 	}
 
 	return "";
@@ -60,8 +121,17 @@ sub pagetemplate (@) { #{{{
 
 	$template->param(meta => $meta{$page})
 		if exists $meta{$page} && $template->query(name => "meta");
-	$template->param(title => $title{$page})
-		if exists $title{$page} && $template->query(name => "title");
+	if (exists $title{$page} && $template->query(name => "title")) {
+		$template->param(title => $title{$page});
+		$template->param(title_overridden => 1);
+	}
+	$template->param(permalink => $permalink{$page})
+		if exists $permalink{$page} && $template->query(name => "permalink");
+	$template->param(author => $author{$page})
+		if exists $author{$page} && $template->query(name => "author");
+	$template->param(authorurl => $authorurl{$page})
+		if exists $authorurl{$page} && $template->query(name => "authorurl");
+	
 } # }}}
 
 1