X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/dae0f48e91304afcb6ebe0936360e51b22a56548..9dc796737f2845c143a91a949ab1ea4526a2a1da:/IkiWiki/Plugin/meta.pm

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 5bcd65837..938a28e59 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -4,16 +4,18 @@ 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 { #{{{
-	hook(type => "preprocess", id => "meta", call => \&preprocess);
+	hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1);
 	hook(type => "filter", id => "meta", call => \&filter);
 	hook(type => "pagetemplate", id => "meta", call => \&pagetemplate);
 } # }}}
@@ -26,6 +28,15 @@ sub filter (@) { #{{{
 	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 "";
@@ -37,6 +48,7 @@ sub preprocess (@) { #{{{
 	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
@@ -45,9 +57,9 @@ sub preprocess (@) { #{{{
 
 	if ($key eq 'link') {
 		if (%params) {
-			$meta{$page}.="<link href=\"".encode_entities($value)."\" ".
+			$meta{$page}.=scrub("<link href=\"".encode_entities($value)."\" ".
 				join(" ", map { encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\"" } keys %params).
-				" />\n";
+				" />\n");
 		}
 		else {
 			# hidden WikiLink
@@ -55,15 +67,52 @@ sub preprocess (@) { #{{{
 		}
 	}
 	elsif ($key eq 'title') {
-		$title{$page}=$value;
+		$title{$page}=HTML::Entities::encode_numeric($value);
 	}
 	elsif ($key eq 'permalink') {
 		$permalink{$page}=$value;
-		$meta{$page}.="<link rel=\"bookmark\" href=\"".encode_entities($value)."\" />\n";
+		$meta{$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}.="<meta name=\"".encode_entities($key).
-			"\" content=\"".encode_entities($value)."\" />\n";
+		$meta{$page}.=scrub("<meta name=\"".encode_entities($key).
+			"\" content=\"".encode_entities($value)."\" />\n");
 		if ($key eq 'author') {
 			$author{$page}=$value;
 		}
@@ -78,6 +127,7 @@ sub preprocess (@) { #{{{
 sub pagetemplate (@) { #{{{
 	my %params=@_;
         my $page=$params{page};
+        my $destpage=$params{destpage};
         my $template=$params{template};
 
 	$template->param(meta => $meta{$page})
@@ -92,7 +142,26 @@ sub pagetemplate (@) { #{{{
 		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});
+	}
+
+	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}));
+	}
 } # }}}
 
 1