root/10kz/shell/parse-decoded-params.jm3

#!/bin/sh
# $Id$

if [ -z "$QUERY_STRING" ]
then
        qs=$1
else
        echo Content-type: text/plain
        echo
        # the fizmezwebserver doesn't seem to need an extra echo here, even tho it should...?
        qs="foo?$QUERY_STRING"
fi

is_qs=`echo "$qs" | grep "\?" > /dev/null`
if [ $? -ne 0 ]
then
        echo "no ? found in qs\; bailing"
        exit 1
fi

s=$qs

params=`echo $s | sed "s/^.*\?//"`
for p in $params
do
        tokens=`echo $p | sed "s/\+/__SPACE__/g" | sed "s/%26/__AMP__/g" | sed "s/%\([0-9A-F][0-9A-F]\)/ HEX:\1 /g"`

        full=""

        for t in $tokens
        do
                echo $t | grep -q HEX:
                if [ $? = 0 ]
                then
                        t=`echo $t | sed s/HEX://`
                        tok=`printf "%d" 0x$t | awk '{printf("%c", $1)}'`
                        full="$full$tok"
                else
                        tok=`echo $t | sed "s/__SPACE__/ /g"`
                        full="$full$tok"
                fi
                done
                echo
done

vars="key_id passphrase plaintext recipients"
echo
failures=""
for var in $vars
do
        #echo looking for $var in $full
        echo "$full" | grep -q "$var"
        if [ $? -eq 0 ]
        then
                val=`echo "$full" | sed "s/^.*$var=\([^&]*\).*/\1/" | sed "s/__AMP__/\&/g"`
                echo $val

                # set each of the values in a variable so we can access it from the main program:
                export `echo $var`="$val"
        else
                failures="$failures No $var found."
        fi
done

if [ -n "$failures" ]
then
        echo ERRORS: $failures
        exit 1
fi

exit 0