httpd cgi-bin log all post form variable

#!/bin/bash
# Dump all Form Post Data to file
echo 'Access-Control-Allow-Origin: *'
echo "Access-Control-Allow-Headers: Content-Type, x-requested-with"
echo "Access-Control-Allow-Methods: GET, POST, PUT"
echo "Access-Control-Allow-Headers: Content-Type"
echo "Content-type: text/html"
echo ""

cat - >>../log.txt