Proposal: convention for signing posts, encourage signing posts, retroactively sign...

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

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index 1a9f94a124d766687da1daeac391cf8b479a4cec..cd367da704a2913d7076289eb2f0a81194e20143 100644 (file)
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -107,12 +107,12 @@ sub preprocess (@) {
                # fallthrough
        }
        elsif ($key eq 'license') {
-               push @{$metaheaders{$page}}, '<link rel="license" href="#page_license" />';
+               push @{$metaheaders{$page}}, '<link rel="license" href="#pagelicense" />';
                $pagestate{$page}{meta}{license}=$value;
                return "";
        }
        elsif ($key eq 'copyright') {
-               push @{$metaheaders{$page}}, '<link rel="copyright" href="#page_copyright" />';
+               push @{$metaheaders{$page}}, '<link rel="copyright" href="#pagecopyright" />';
                $pagestate{$page}{meta}{copyright}=$value;
                return "";
        }
@@ -121,6 +121,18 @@ sub preprocess (@) {
                add_link($page, $value);
                return "";
        }
+       elsif ($key eq 'enclosure') {
+               my $link=bestlink($page, $value);
+               if (! length $link) {
+                       error gettext("enclosure not found")
+               }
+               add_depends($page, $link, deptype("presence"));
+
+               $value=urlto($link, $page, 1);
+               $pagestate{$page}{meta}{enclosure}=$value;
+               $pagestate{$page}{meta}{enclosurefile}=$link;
+               # fallthrough
+       }
        elsif ($key eq 'author') {
                $pagestate{$page}{meta}{author}=$value;
                if (exists $params{sortas}) {
@@ -143,14 +155,30 @@ sub preprocess (@) {
                eval q{use Date::Parse};
                if (! $@) {
                        my $time = str2time($value);
-                       $IkiWiki::pagectime{$page}=$time if defined $time;
+                       if (defined $time) {
+                               $IkiWiki::pagectime{$page}=$time;
+                       }
+                       else {
+                               error(sprintf(gettext('cannot parse date/time: %s'), $value));
+                       }
+               }
+               else {
+                       error $@;
                }
        }
        elsif ($key eq 'updated') {
                eval q{use Date::Parse};
                if (! $@) {
                        my $time = str2time($value);
-                       $pagestate{$page}{meta}{updated}=$time if defined $time;
+                       if (defined $time) {
+                               $pagestate{$page}{meta}{updated}=$time;
+                       }
+                       else {
+                               error(sprintf(gettext('cannot parse date/time: %s'), $value));
+                       }
+               }
+               else {
+                       error $@;
                }
        }
 
@@ -179,6 +207,17 @@ sub preprocess (@) {
                        '" 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 $params{delegate}) {
@@ -206,6 +245,13 @@ sub preprocess (@) {
                                'content="'.encode_entities($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 $safe=0;
@@ -257,17 +303,24 @@ sub preprocess (@) {
                push @{$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') {
-               push @{$metaheaders{$page}}, scrub('<meta '.$key.'="'.
+               push @{$metaheaders{$page}}, scrub('<meta name="'.
                        encode_entities($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="'.
@@ -289,21 +342,30 @@ sub pagetemplate (@) {
                $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);
        }
 
-       foreach my $field (qw{author authorurl permalink}) {
-               $template->param($field => $pagestate{$page}{meta}{$field})
+       if (exists $pagestate{$page}{meta}{enclosure}) {
+               $template->param(enclosure => HTML::Entities::encode_entities(IkiWiki::urlabs($pagestate{$page}{meta}{enclosure}, $config{url})));
+       }
+
+       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}) {
-               $template->param($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);
        }