+
+sub check_options {
+ my ($self, $options) = @_;
+
+ my $rex = qr/$RE{URI}{HTTP}{-scheme => qr|https?|}/; # match any "http:" or "https:" URL
+
+ for my $key (qw/url device_url/) {
+ if ($$options{$key} && ($$options{$key} !~ $rex)) {
+ return "Invalid (URL): " . $$options{$key};
+ }
+ }
+ return '';
+}
+
+
+