Decrypt tool

cmp68ExtDecrypt.sh

#!/bin/sh

## Settle your login 172.xxx.xxx.xxx (SSH/SFTP KEYLESS)
## Follow the step from this url : https://www.tecmint.com/ssh-passwordless-login-using-ssh-keygen-in-5-easy-steps
## create a new folder RAW, INPUT_RAW, OUTPUT_RAW --> (mkdir - p RAW)
## Put your file into /home/$USER/INPUT_RAW
## This script will cut file from 1rst column into 1 piece to Decrypt
## To send into /opt/link/mediation/decrypt/input
## How to execute --> thisScrIpt.sh <user> <[email protected]>

log_dttm=`date +"%Y%m%d_%H%M%S"`

##---------------  Define the stuff
RCPT=$2
HOSTCMP=172.xxx.xxx.xxx
USER=USER_TXXXXXX

dirRaw='/home/'$USER'/RAW'
dirInput='/home/'$USER'/INPUT_RAW'
dirOutput='/home/'$USER'/OUTPUT_RAW'

inputFile=$dirInput/inputDecrypt.csv
outputFile=$dirOutput/$1_output_$log_dttm.csv
balanceFile=$dirRaw/balance_result.csv
resultFile=$dirRaw/$1_final_result_$log_dttm.csv
resultFileZip=$dirRaw/$1_final_result_$log_dttm.zip

pipeInputFile=$dirRaw/pipeInput.txt
pipeBalanceFile=$dirRaw/pipeBalance.txt

procFolder=/opt/link/mediation/decrypt/input
resFolder=/opt/link/mediation/decrypt/output
remoteResultFile=$resFolder/$1_output_$log_dttm.csv

##------------- Function upload file to REMOTE CMP server
function uploadFile() {
sftp $HOSTCMP <<EOF
 mput $outputFile $procFolder
 chmod 667 $procFolder/*output_$log_dttm.csv
 bye
EOF
echo "File uploaded into CMP server"
}

##------------- Function download file to UAT server from REMOTE CMP server
function downloadFile() {
sftp $HOSTCMP <<EOF
 mget $remoteResultFile $dirRaw
 bye
EOF
echo "File has been downloaded sucessfully"
}


##------------- Function Search file in REMOTE CMP server
function checkFile() {
echo "ls -l $remoteResultFile" | sftp -b - $HOSTCMP
if [ $? -eq 0 ]
then
 echo " File exists"
 downloadFile
else
 echo "File does not exist and need to wait for about 10 minutes to complete the decrypt process"
 sleep 10m
 if [ $? -eq 1 ] 
 then
  echo "File exist"
  downloadFile
 else
  echo "File still not exist and need to wait about 10 minutes more to complete the decrypt process"
  sleep 10m
  downloadFile
 fi
fi
}

##------------- Function to send result file via email
function sendMail() {
ssh $USER@$HOSTCMP /bin/sh <<EOF
echo "File result in attachment" | /bin/mail -s "CMP Decrypt file result" -a $remoteResultFile -r "Alert Dcc<[email protected]>" $RCPT
EOF
}

#---------------- Move file name to default name
if [ "$(ls -A $dirInput)" ]; then
 mv -f $dirInput/* $dirInput/inputDecrypt.csv
 #---------------- Cut file into single column
 cat $inputFile | awk -F";" '{print$1}' > $outputFile
 cat $inputFile | awk -F";" -v OFS=';' '{ $1=""; print}'  > $balanceFile

 ##--------------- Upload file to CMP server 172.31.7.112
 uploadFile
 echo "Waiting Decrypt process for about 5 minutes...."
 ##--------------- Upload file DONE & Delete original inputFile then slepp for 10 minutes
 rm $dirInput/*
 sleep 5m
 ##--------------- Check File in REMOTE folder is exist or not
 checkFile
 ##--------------- Combine it into single file
 paste -d ";" $dirRaw/$1_output_$log_dttm.csv $balanceFile > $resultFile
 sleep 1m

 SIZE=$(du -sb $resultFile | awk '{ print $1 }')
 ##---------------- Send result file if size <=3MB

 if ((SIZE<3145728)) ; then
  echo "Size are OK to send file via email"
  sendMail
 else
  echo "Sorry, your file size too big to send via email, check your folder to get the result"
 fi


 ##---------------- Clean up
 rm $outputFile
 rm $balanceFile
 echo "--------------------------- Decryption file done ------------------------------------"

else
  echo "Folder is empty, no file to process"
fi

gistfile1.txt

Bash script to decrypt a file