X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/d534483b9befc360b3d973091b1b7f5692f15a6e..e0b3590bd958675b833c5fc3e001c31e04417580:/IkiWiki/Plugin/meta.pm

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 8244cf718..938a28e59 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -4,18 +4,39 @@ package IkiWiki::Plugin::meta;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
 my %meta;
 my %title;
+my %permalink;
+my %author;
+my %authorurl;
+my %license;
+my %copyright;
 
 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 "";
@@ -26,36 +47,121 @@ sub preprocess (@) { #{{{
 	delete $params{$key};
 	my $page=$params{page};
 	delete $params{page};
+	delete $params{destpage};
+	delete $params{preview};
+
+	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=\"$value\" ".
-				join(" ", map { "$_=\"$params{$_}\"" } 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}=$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($title).
+			"\" type=\"text/css\" />\n";
+	}
+	elsif ($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($value).
+			"\" rel=\"openid.delegate\" />\n";
+	}
+	elsif ($key eq 'license') {
+		$meta{$page}.="<link rel=\"license\" href=\"#page_license\" />\n";
+		$license{$page}=$value;
+	}
+	elsif ($key eq 'copyright') {
+		$meta{$page}.="<link rel=\"copyright\" href=\"#page_copyright\" />\n";
+		$copyright{$page}=$value;
 	}
 	else {
-		$meta{$page}='' unless exists $meta{$page};
-		$meta{$page}.="<meta name=\"$key\" content=\"$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 "";
 } # }}}
 
-sub pagetemplate ($$) { #{{{
-        my $page=shift;
-        my $template=shift;
+sub pagetemplate (@) { #{{{
+	my %params=@_;
+        my $page=$params{page};
+        my $destpage=$params{destpage};
+        my $template=$params{template};
+
+	$template->param(meta => $meta{$page})
+		if exists $meta{$page} && $template->query(name => "meta");
+	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} && $template->query(name => "authorurl");
+		
+	if ($page ne $destpage &&
+	    ((exists $license{$page}   && ! exists $license{$destpage}) ||
+	     (exists $copyright{$page} && ! exists $copyright{$destpage}))) {
+		# Force a scan of the destpage to get its copyright/license
+		# info. If the info is declared after an inline, it will
+		# otherwise not be available at this point.
+		IkiWiki::scan($pagesources{$destpage});
+	}
 
-	$template->param(meta => $meta{$page}) if exists $meta{$page};
-	$template->param(title => $title{$page}) if exists $title{$page};
+	if (exists $license{$page} && $template->query(name => "license") &&
+	    ($page eq $destpage || ! exists $license{$destpage} ||
+	     $license{$page} ne $license{$destpage})) {
+		$template->param(license => IkiWiki::linkify($page, $destpage, $license{$page}));
+	}
+	if (exists $copyright{$page} && $template->query(name => "copyright") &&
+	    ($page eq $destpage || ! exists $copyright{$destpage} ||
+	     $copyright{$page} ne $copyright{$destpage})) {
+		$template->param(copyright => IkiWiki::linkify($page, $destpage, $copyright{$page}));
+	}
 } # }}}
 
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