]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/meta.pm
some answers
[git.ikiwiki.info.git] / IkiWiki / Plugin / meta.pm
index 8c214139f8b85f3630055a7b954213ec9645ebbf..421f1dc86a83d33ac823f9989ad9e42c6dea12c9 100644 (file)
@@ -4,7 +4,7 @@ package IkiWiki::Plugin::meta;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 
 my %metaheaders;
 
@@ -20,6 +20,7 @@ sub getsetup () {
                plugin => {
                        safe => 1,
                        rebuild => undef,
+                       section => "core",
                },
 }
 
@@ -36,12 +37,13 @@ sub needsbuild (@) {
                        }
                }
        }
+       return $needsbuild;
 }
 
-sub scrub ($$) {
+sub scrub ($$$) {
        if (IkiWiki::Plugin::htmlscrubber->can("sanitize")) {
                return IkiWiki::Plugin::htmlscrubber::sanitize(
-                       content => shift, destpage => shift);
+                       content => shift, page => shift, destpage => shift);
        }
        else {
                return shift;
@@ -87,15 +89,21 @@ sub preprocess (@) {
 
        # Metadata collection that needs to happen during the scan pass.
        if ($key eq 'title') {
-               $pagestate{$page}{meta}{title}=HTML::Entities::encode_numeric($value);
-               # fallthrough
+               $pagestate{$page}{meta}{title}=$value;
+               if (exists $params{sortas}) {
+                       $pagestate{$page}{meta}{titlesort}=$params{sortas};
+               }
+               else {
+                       delete $pagestate{$page}{meta}{titlesort};
+               }
+               return "";
        }
        elsif ($key eq 'description') {
-               $pagestate{$page}{meta}{description}=HTML::Entities::encode_numeric($value);
+               $pagestate{$page}{meta}{description}=$value;
                # fallthrough
        }
        elsif ($key eq 'guid') {
-               $pagestate{$page}{meta}{guid}=HTML::Entities::encode_numeric($value);
+               $pagestate{$page}{meta}{guid}=$value;
                # fallthrough
        }
        elsif ($key eq 'license') {
@@ -110,17 +118,27 @@ sub preprocess (@) {
        }
        elsif ($key eq 'link' && ! %params) {
                # hidden WikiLink
-               push @{$links{$page}}, $value;
+               add_link($page, $value);
                return "";
        }
        elsif ($key eq 'author') {
                $pagestate{$page}{meta}{author}=$value;
+               if (exists $params{sortas}) {
+                       $pagestate{$page}{meta}{authorsort}=$params{sortas};
+               }
+               else {
+                       delete $pagestate{$page}{meta}{authorsort};
+               }
                # fallthorough
        }
        elsif ($key eq 'authorurl') {
                $pagestate{$page}{meta}{authorurl}=$value if safeurl($value);
                # fallthrough
        }
+       elsif ($key eq 'permalink') {
+               $pagestate{$page}{meta}{permalink}=$value if safeurl($value);
+               # fallthrough
+       }
        elsif ($key eq 'date') {
                eval q{use Date::Parse};
                if (! $@) {
@@ -128,17 +146,23 @@ sub preprocess (@) {
                        $IkiWiki::pagectime{$page}=$time if defined $time;
                }
        }
+       elsif ($key eq 'updated') {
+               eval q{use Date::Parse};
+               if (! $@) {
+                       my $time = str2time($value);
+                       $pagestate{$page}{meta}{updated}=$time if defined $time;
+               }
+       }
 
        if (! defined wantarray) {
                # avoid collecting duplicate data during scan pass
                return;
        }
 
-       # Metadata collection that happens only during preprocessing pass.
+       # Metadata handling that happens only during preprocessing pass.
        if ($key eq 'permalink') {
                if (safeurl($value)) {
-                       $pagestate{$page}{meta}{permalink}=$value;
-                       push @{$metaheaders{$page}}, scrub('<link rel="bookmark" href="'.encode_entities($value).'" />', $destpage);
+                       push @{$metaheaders{$page}}, scrub('<link rel="bookmark" href="'.encode_entities($value).'" />', $page, $destpage);
                }
        }
        elsif ($key eq 'stylesheet') {
@@ -150,27 +174,54 @@ sub preprocess (@) {
                if (! length $stylesheet) {
                        error gettext("stylesheet not found")
                }
-               push @{$metaheaders{$page}}, '<link href="'.urlto($stylesheet, $page).
+               push @{$metaheaders{$page}}, scrub('<link href="'.urlto($stylesheet, $page).
                        '" rel="'.encode_entities($rel).
                        '" title="'.encode_entities($title).
-                       "\" type=\"text/css\" />";
+                       "\" 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}) {
+                       $delegate = 1 if lc $params{delegate} eq 'openid';
+                       $delegate = 2 if lc $params{delegate} eq 'openid2';
+               }
                if (exists $params{server} && safeurl($params{server})) {
                        push @{$metaheaders{$page}}, '<link href="'.encode_entities($params{server}).
-                               '" rel="openid.server" />';
+                               '" rel="openid.server" />' if $delegate ne 2;
                        push @{$metaheaders{$page}}, '<link href="'.encode_entities($params{server}).
-                               '" rel="openid2.provider" />';
+                               '" rel="openid2.provider" />' if $delegate ne 1;
                }
                if (safeurl($value)) {
                        push @{$metaheaders{$page}}, '<link href="'.encode_entities($value).
-                               '" rel="openid.delegate" />';
+                               '" rel="openid.delegate" />' if $delegate ne 2;
                        push @{$metaheaders{$page}}, '<link href="'.encode_entities($value).
-                               '" rel="openid2.local_id" />';
+                               '" rel="openid2.local_id" />' if $delegate ne 1;
                }
                if (exists $params{"xrds-location"} && safeurl($params{"xrds-location"})) {
-                       push @{$metaheaders{$page}}, '<meta http-equiv="X-XRDS-Location"'.
-                               'content="'.encode_entities($params{"xrds-location"}).'" />';
+                       # force url absolute
+                       eval q{use URI};
+                       error($@) if $@;
+                       my $url=URI->new_abs($params{"xrds-location"}, $config{url});
+                       push @{$metaheaders{$page}}, '<meta http-equiv="X-XRDS-Location" '.
+                               'content="'.encode_entities($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') {
@@ -179,11 +230,11 @@ sub preprocess (@) {
                if ($value !~ /^\w+:\/\//) {
                        my ($redir_page, $redir_anchor) = split /\#/, $value;
 
-                       add_depends($page, $redir_page);
                        my $link=bestlink($page, $redir_page);
                        if (! length $link) {
                                error gettext("redir page not found")
                        }
+                       add_depends($page, $link, deptype("presence"));
 
                        $value=urlto($link, $page);
                        $value.='#'.$redir_anchor if defined $redir_anchor;
@@ -207,7 +258,7 @@ sub preprocess (@) {
                my $delay=int(exists $params{delay} ? $params{delay} : 0);
                my $redir="<meta http-equiv=\"refresh\" content=\"$delay; URL=$value\" />";
                if (! $safe) {
-                       $redir=scrub($redir, $destpage);
+                       $redir=scrub($redir, $page, $destpage);
                }
                push @{$metaheaders{$page}}, $redir;
        }
@@ -217,16 +268,34 @@ sub preprocess (@) {
                                join(" ", map {
                                        encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\""
                                } keys %params).
-                               " />\n", $destpage);
+                               " />\n", $page, $destpage);
                }
        }
        elsif ($key eq 'robots') {
                push @{$metaheaders{$page}}, '<meta name="robots"'.
                        ' content="'.encode_entities($value).'" />';
        }
+       elsif ($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 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($key).
-                       '" content="'.encode_entities($value).'" />', $destpage);
+               push @{$metaheaders{$page}}, scrub('<meta name="'.
+                       encode_entities($key).'" content="'.
+                       encode_entities($value).'" />', $page, $destpage);
        }
 
        return "";
@@ -244,12 +313,27 @@ 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(title => $pagestate{$page}{meta}{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})
+       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)) {
+                       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 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);
        }
 
@@ -262,6 +346,33 @@ sub pagetemplate (@) {
        }
 }
 
+sub get_sort_key {
+       my $page = shift;
+       my $meta = shift;
+
+       # e.g. titlesort (also makes sense for author)
+       my $key = $pagestate{$page}{meta}{$meta . "sort"};
+       return $key if defined $key;
+
+       # e.g. title
+       $key = $pagestate{$page}{meta}{$meta};
+       return $key if defined $key;
+
+       # fall back to closer-to-core things
+       if ($meta eq 'title') {
+               return pagetitle(IkiWiki::basename($page));
+       }
+       elsif ($meta eq 'date') {
+               return $IkiWiki::pagectime{$page};
+       }
+       elsif ($meta eq 'updated') {
+               return $IkiWiki::pagemtime{$page};
+       }
+       else {
+               return '';
+       }
+}
+
 sub match {
        my $field=shift;
        my $page=shift;
@@ -278,22 +389,22 @@ sub match {
        }
 
        if (defined $val) {
-               if ($val=~/^$re$/i) {
-                       return IkiWiki::SuccessReason->new("$re matches $field of $page");
+               if ($val=~$re) {
+                       return IkiWiki::SuccessReason->new("$re matches $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
                }
                else {
-                       return IkiWiki::FailReason->new("$re does not match $field of $page");
+                       return IkiWiki::FailReason->new("$re does not match $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
                }
        }
        else {
-               return IkiWiki::FailReason->new("$page does not have a $field");
+               return IkiWiki::FailReason->new("$page does not have a $field", $page => $IkiWiki::DEPEND_CONTENT);
        }
 }
 
 package IkiWiki::PageSpec;
 
 sub match_title ($$;@) {
-       IkiWiki::Plugin::meta::match("title", @_);      
+       IkiWiki::Plugin::meta::match("title", @_);
 }
 
 sub match_author ($$;@) {
@@ -312,4 +423,31 @@ sub match_copyright ($$;@) {
        IkiWiki::Plugin::meta::match("copyright", @_);
 }
 
+sub match_guid ($$;@) {
+       IkiWiki::Plugin::meta::match("guid", @_);
+}
+
+package IkiWiki::SortSpec;
+
+sub cmp_meta {
+       my $meta = shift;
+       error(gettext("sort=meta requires a parameter")) unless defined $meta;
+
+       if ($meta eq 'updated' || $meta eq 'date') {
+               return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
+                       <=>
+                       IkiWiki::Plugin::meta::get_sort_key($b, $meta);
+       }
+
+       return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
+               cmp
+               IkiWiki::Plugin::meta::get_sort_key($b, $meta);
+}
+
+# A prototype of how sort=title could behave in 4.0 or something
+sub cmp_meta_title {
+       $_[0] = 'title';
+       return cmp_meta(@_);
+}
+
 1