my ( $self, $c, $id, $productnr, $filename ) = @_;

    my ( $self, $c, $id, $productnr, $filename, @path ) = @_;

    return error($c, "File " . $product->path . " has disappeared.") unless -e $product->path;

    return error($c, "Product " . $product->path . " has disappeared.") unless -e $product->path;

    $c->serve_static_file($product->path);

    # Security paranoia.
    foreach my $elem (@path) {
        if ($elem eq "." || $elem eq ".." || $elem !~ /^[\w\-\.]+$/) {
            return error($c, "Invalid filename $elem.");
        }
    }
    
    my $path = $product->path . "/" . join("/", @path);
    # If this is a directory but no "/" is attached, then redirect.
    if (-d $path && substr($c->request->uri, -1) ne "/") {
        return $c->res->redirect($c->request->uri . "/");
    }
    
    $path = "$path/index.html" if -d $path && -e "$path/index.html";
    if (!-e $path) {
        return error($c, "File $path does not exist.");
    }
    $c->serve_static_file($path);

      
    [% CASE "report" %]
      <a href="[% c.uri_for('/download' build.id product.productnr product.name) %]">
        [% SWITCH product.subtype %]
        [% CASE "coverage" %]
          Code coverage analysis report
        [% CASE DEFAULT %]
          Report of type <tt>[% product.subtype %]</tt>
        [% END %]
      </a>
    

                    my $st = stat($path) or die "cannot stat $path: $!";

                    my $fileSize, my $sha1, my $sha256;

                    my $sha1 = `nix-hash --flat --type sha1 $path`
                        or die "cannot hash $path: $?";;
                    chomp $sha1;

                    if (-f $path) {
                        my $st = stat($path) or die "cannot stat $path: $!";
                        $fileSize = $st;
                        
                        $sha1 = `nix-hash --flat --type sha1 $path`
                            or die "cannot hash $path: $?";;
                        chomp $sha1;

                    my $sha256 = `nix-hash --flat --type sha256 $path`
                        or die "cannot hash $path: $?";;
                    chomp $sha256;

                        $sha256 = `nix-hash --flat --type sha256 $path`
                            or die "cannot hash $path: $?";;
                        chomp $sha256;
                    }

                        , filesize => $st->size

                        , filesize => $fileSize