word: prevent infinite loops on invalid data

[sheet.git] / word.plp

diff --git a/word.plp b/word.plp
index 9fa1aaaf87c7b7987c5d0e5c6cf39b45a64d2193..64a093fed42afa818d8185450b8815e80e82cedd 100644 (file)
--- a/word.plp
+++ b/word.plp
@@ -2,6 +2,7 @@
 
 if ($Request and $Request =~ m{\A([^/]+)}) {
        my $page = "word/$1.plp";
+       utf8::downgrade($page); # unicode filename breaks contents encoding
        if (-e $page) {
                Include $page;
                exit;
@@ -88,6 +89,7 @@ sub printimgs {
        say '<ul>';
        for my $row (@_) {
                my ($id, $level, $title) = split /:/, $row, 3;
+               $id or die "empty reference"; # assertion to prevent loops
                my @type;
                push @type, 'parent' if defined $table->{$id};
                push @type, 'large'  if $level =~ s/c$//;