web commit from 193.205.5.2: poll vote (It's fast enough)

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

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index cfa4b84b1d9d92382a28e60ae54501683c5dff31..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);
        }
@@ -111,25 +149,6 @@ sub preprocess (@) { #{{{
                $meta{$page}.="<link rel=\"copyright\" href=\"#page_copyright\" />\n";
                $copyright{$page}=$value;
        }
-       elsif ($key eq 'forward') {
-               my $delay=0;
-               my $dest_url;
-               my $text;
-               if (exists $params{delay}) {
-                       $delay=$params{delay};
-               }
-               # Is this a wikilink?
-               if ($value =~ /^\[\[(.*)\]\]$/) {
-                       $text=htmllink($page, $destpage, $1);
-                       $dest_url=urlto(bestlink($page, $1), $destpage);
-               } else {
-                       $text="<a href=\"$dest_url\">$dest_url</a>";
-                       $dest_url=$value;
-               }
-# TODO.                $meta{$page}.=scrub("<meta http-equiv=\"refresh\" content=\"$delay; URL=$dest_url\">");
-               $meta{$page}.="<meta http-equiv=\"refresh\" content=\"$delay; URL=$dest_url\">";
-               return "You are being forwarded to $text.";
-       }
        else {
                $meta{$page}.=scrub("<meta name=\"".encode_entities($key).
                        "\" content=\"".encode_entities($value)."\" />\n");