#!/bin/sh

TOKEN=`env | grep '^QUERY_STRING' | head -1 | cut -f2 -d= | sed 's/[^A-Za-z0-9]//g' | cut -c-9 | tr A-Z a-z`

CLASS=`echo $TOKEN | cut -c1-2`
INSTANCE=`echo $TOKEN | cut -c3-6`
TARGET=`echo $TOKEN | cut -c7-9`
REDIRECT=`grep "^${TARGET} " urls.txt | cut -f2 -d" "`

if [ "$REDIRECT" -eq "" ] ; then
  REDIRECT="http://www.luxography.ca/404.html"
  INSTANCE=""
fi

# echo "Content-type: text/plain"
# echo ""
# 
# env
# 
# echo "Class: $CLASS"
# echo "Instance: $INSTANCE"
# echo "Target: $TARGET"
# echo "Redirect: $REDIRECT"
# 
# exit

echo "Location: ${REDIRECT}?${CLASS}${INSTANCE}"
echo ""