#!/usr/bin/bash

##############################################################################
# This file is part of the CRYPTO BONE
# File     : registrationtest  (client)
# Version  : 1.6 (ALL-IN-ONE)
# License  : BSD
# Date     : 12 April 2023
# Contact  : Please send enquiries and bug-reports to innovation@senderek.ie
#
# Copyright (c) 2015-2023
#	Ralf Senderek, Ireland.  All rights reserved. (https://senderek.ie)
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	   This product includes software developed by Ralf Senderek.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND  ANY EXPRESS OR 
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  IMPLIED WARRANTIES 
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
# POSSIBILITY OF SUCH DAMAGE.
##############################################################################

# Parameter
# $1 is ID name
# $2 is SERVER name
# $3 overwrites DEBUG

#----------------------------------------------------#
# load functions and global variables
. ./test-functions

if [[ -r ../safewebdrop.config ]] ; then
   . ../safewebdrop.config
fi

# let parameters overwrite ID and HOST
if (( $# >= 2 )) ; then
    ID="$1"
    HOST="$2"
    if [[ $# -eq 3 ]] ; then
         DEBUG="$3"
    fi
fi
if [[ ${DEBUG} = "yes" ]] ; then
    set -vx; exec 2>$0.trc
    /usr/bin/echo "debugging is ON ..."
fi

/usr/bin/echo "***** safewebdrop *****"
/usr/bin/echo "Register a new user ${ID} at ${HOST}"
/usr/bin/echo "New RSA keys will be generated and will overwrite existing ones!"
/usr/bin/echo "***** ----------- *****"
/usr/bin/echo
/usr/bin/echo "Debug = ${DEBUG}"
/usr/bin/echo -n "continue? "
read REPLY
if [[ "${REPLY}x" != "yesx" ]] ; then
    /usr/bin/echo "exiting, yes continues here"
    /usr/bin/echo "usage: registrationtest ID HOST [[yes|no]] (overwrites config)"
    exit 1
fi    

# check directory for ${ID}
if [[ ! -d ../${ID} ]] ; then
    /usr/bin/mkdir ../${ID}
fi

# PHASE 1: send NEW request

CHALLENGE=$(curl https://${HOST}/cgi-bin/safewebdropregistration?${ID}\&REGISTRATION 2> /dev/null)
/usr/bin/echo "SERVER -> I:  CHL=${CHALLENGE}  "

# PHASE 2: 
# remove old RSA private key
/usr/bin/rm -rf ../${ID}/private.pem
/usr/bin/rm -rf ../${ID}/public.pem

# create a new RSA key pair secured under key PRIVSECRET
./createRSA ${PRIVSECRET} ${ID}

# generate a signed request
SIG=""
KEY="../${ID}/pubkey.pem"
/usr/bin/rm -f ${REQ} ${REQ}.sig 
/usr/bin/echo -n "${ID}:" > $REQ
/usr/bin/echo -n "${CHALLENGE}:" >> $REQ
# generate a hash of the request
generate_requesthash

# base64 encode the public key
base64 --wrap=0 ${KEY} > ${KEY}.b64

# and send it
PUBKEY=$(/usr/bin/cat ${KEY}.b64)

/usr/bin/echo "-----------"
ls -l ../${ID}
/usr/bin/echo -n "request: "
cat ${REQ}
/usr/bin/echo
/usr/bin/echo "----end----"

REQUEST=$(/usr/bin/cat ${REQ})
RCODE=$(/usr/bin/curl https://${HOST}/cgi-bin/safewebdropregistration?${ID}\&${REQUEST}\&${SIG}\&${PUBKEY} 2> /dev/null)
/usr/bin/echo "SERVER -> II: $ID: $(date +'%x %X'): REGCODE=${RCODE}, ${#RCODE} bytes received"

exit 0