* Change formbuilder hook to not be responsible for displaying a form,

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

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index a4dd541f982eda7ef884395692f55a48baa85e83..4aa545a93a67c6aa759a4aa67d7aa2ff65e6c66a 100644 (file)
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -24,6 +24,7 @@ sub filter (@) { #{{{
        my %params=@_;
        
        $meta{$params{page}}='';
+       delete $pagestate{$params{page}}{meta}{redir};
 
        return $params{content};
 } # }}}
@@ -59,7 +60,9 @@ sub preprocess (@) { #{{{
        if ($key eq 'link') {
                if (%params) {
                        $meta{$page}.=scrub("<link href=\"".encode_entities($value)."\" ".
-                               join(" ", map { encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\"" } keys %params).
+                               join(" ", map {
+                                       encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\""
+                               } keys %params).
                                " />\n");
                }
                else {
@@ -67,6 +70,41 @@ sub preprocess (@) { #{{{
                        push @{$links{$page}}, $value;
                }
        }
+       elsif ($key eq 'redir') {
+               return "" if $destpage ne $page;
+               my $safe=0;
+               if ($value !~ /^\w+:\/\//) {
+                       add_depends($page, $value);
+                       my $link=bestlink($page, $value);
+                       if (! length $link) {
+                               return "[[meta ".gettext("redir page not found")."]]";
+                       }
+
+                       $value=urlto($link, $page);
+                       $safe=1;
+
+                       # redir cycle detection
+                       $pagestate{$page}{meta}{redir}=$link;
+                       my $at=$page;
+                       my %seen;
+                       while (exists $pagestate{$at}{meta}{redir}) {
+                               if ($seen{$at}) {
+                                       return "[[meta ".gettext("redir cycle is not allowed")."]]";
+                               }
+                               $seen{$at}=1;
+                               $at=$pagestate{$at}{meta}{redir};
+                       }
+               }
+               else {
+                       $value=encode_entities($value);
+               }
+               my $delay=int(exists $params{delay} ? $params{delay} : 0);
+               my $redir="<meta http-equiv=\"refresh\" content=\"$delay; URL=$value\">";
+               if (! $safe) {
+                       $redir=scrub($redir);
+               }
+               $meta{$page}.=$redir;
+       }
        elsif ($key eq 'title') {
                $title{$page}=HTML::Entities::encode_numeric($value);
        }
@@ -105,11 +143,11 @@ sub preprocess (@) { #{{{
        }
        elsif ($key eq 'license') {
                $meta{$page}.="<link rel=\"license\" href=\"#page_license\" />\n";
-               $license{$page}=IkiWiki::linkify($page, $destpage, $value);
+               $license{$page}=$value;
        }
        elsif ($key eq 'copyright') {
                $meta{$page}.="<link rel=\"copyright\" href=\"#page_copyright\" />\n";
-               $copyright{$page}=IkiWiki::linkify($page, $destpage, $value);
+               $copyright{$page}=$value;
        }
        else {
                $meta{$page}.=scrub("<meta name=\"".encode_entities($key).
@@ -128,6 +166,7 @@ sub preprocess (@) { #{{{
 sub pagetemplate (@) { #{{{
        my %params=@_;
         my $page=$params{page};
+        my $destpage=$params{destpage};
         my $template=$params{template};
 
        $template->param(meta => $meta{$page})
@@ -142,11 +181,26 @@ sub pagetemplate (@) { #{{{
                if exists $author{$page} && $template->query(name => "author");
        $template->param(authorurl => $authorurl{$page})
                if exists $authorurl{$page} && $template->query(name => "authorurl");
-       $template->param(license => $license{$page})
-               if exists $license{$page} && $template->query(name => "license");
-       $template->param(copyright => $copyright{$page})
-               if exists $copyright{$page} && $template->query(name => "copyright");
-       
+               
+       if ($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}));
+       }
 } # }}}
 
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