#!/bin/sh -r

if [ $REMOTE_HOST = localhost ]; then
  url="http://localhost:$SERVER_PORT"
else
  url="http://$SERVER_NAME:$SERVER_PORT"
fi

smartstring=`echo $PATH_INFO | sed "s/^\///g"`
logicalpath=`htmlsearch alldocs.db link="$smartstring" | tail -1 | sed "s/ .*//g"`

quotepath=`echo $PATH_INFO | sed "s/\//\\\\\\\\\//g"`
rootpath=`echo $PATH_TRANSLATED | sed "s/$quotepath\$//g"`
fullpath=$rootpath/$logicalpath

if [ -r $fullpath ]; then
#   echo Content-Type: text/plain
#   echo ""
   echo Location: $url/$logicalpath
   echo "";
   exit 0;
fi

echo Content-Type: text/html
echo ""
echo "<h1>Invalid smartlink found.</h1>"