Add configuration to restrict the formats allowed for comments

[git.ikiwiki.info.git] / IkiWiki / Plugin / meta.pm

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 1a9f94a124d766687da1daeac391cf8b479a4cec..421f1dc86a83d33ac823f9989ad9e42c6dea12c9 100644 (file)
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -179,6 +179,17 @@ sub preprocess (@) {
                        '" title="'.encode_entities($title).
                        "\" type=\"text/css\" />", $page, $destpage);
        }
                        '" title="'.encode_entities($title).
                        "\" 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
                if (exists $params{delegate}) {
        elsif ($key eq 'openid') {
                my $delegate=0; # both by default
                if (exists $params{delegate}) {


@@ -206,6 +217,13 @@ sub preprocess (@) {
                                'content="'.encode_entities($url).'" />';
                }
        }
                                'content="'.encode_entities($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') {
                return "" if $page ne $destpage;
                my $safe=0;
        elsif ($key eq 'redir') {
                return "" if $page ne $destpage;
                my $safe=0;


@@ -257,17 +275,23 @@ sub preprocess (@) {
                push @{$metaheaders{$page}}, '<meta name="robots"'.
                        ' content="'.encode_entities($value).'" />';
        }
                push @{$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') {
                        '" content="'.encode_entities($value).'" />';
        }
        elsif ($key eq 'name') {

-               push @{$metaheaders{$page}}, scrub('<meta '.$key.'="'.
+               push @{$metaheaders{$page}}, scrub('<meta name="'.

                        encode_entities($value).
                        join(' ', map { "$_=\"$params{$_}\"" } keys %params).
                        ' />', $page, $destpage);
        }
                        encode_entities($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($key).'" content="'.
        else {
                push @{$metaheaders{$page}}, scrub('<meta name="'.
                        encode_entities($key).'" content="'.


@@ -289,21 +313,26 @@ 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(meta => join("\n", grep { (! $seen{$_}) && ($seen{$_}=1) } @{$metaheaders{$page}}));
        }
        if (exists $pagestate{$page}{meta}{title} && $template->query(name => "title")) {

+               eval q{use HTML::Entities};

                $template->param(title => HTML::Entities::encode_numeric($pagestate{$page}{meta}{title}));
                $template->param(title_overridden => 1);
        }
 
                $template->param(title => HTML::Entities::encode_numeric($pagestate{$page}{meta}{title}));
                $template->param(title_overridden => 1);
        }
 

-       foreach my $field (qw{author authorurl permalink}) {
-               $template->param($field => $pagestate{$page}{meta}{$field})
+       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);
        }
 
        foreach my $field (qw{permalink}) {

-               $template->param($field => IkiWiki::urlabs($pagestate{$page}{meta}{$field}, $config{url}))
-                       if exists $pagestate{$page}{meta}{$field} && $template->query(name => $field);
+               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}) {
+       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);
        }
                $template->param($field => HTML::Entities::encode_numeric($pagestate{$page}{meta}{$field}))
                        if exists $pagestate{$page}{meta}{$field} && $template->query(name => $field);
        }