parse multipart/form-data into a hash structure

This sub takes a HTTP::Request, and returns a hash data structure that contains all form fields. If you have a form field named "blah", and the returned hash is stored in $form_data, then you can get the value for blah through $form_data->{"blah"}.

The asumption is that the form use multipart/form-data encoding. The code is something I use, and not heavily tested with differnt situations.

sub analyze_request {
    my $req = shift;
    my $form_data;
    for my $part ($req->parts()) {
        if (my $content_disposition = $part->headers->header("Content-
+Disposition")) {
            if ($content_disposition =~ /^form-data; name=\"(.*?)\"/) 
+{
                $form_data->{$1} = $part->content();
            }
        }
    }
    return $form_data;
}
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