password_extractor

#!/bin/sh
mkdir -p ./tmp
# Begin functions
# Print out the help
__usage(){
    echo "usage: password_extractor [-o output_file | [-h]]"
}

__extract_pwd(){
	local file="$@"
	local pwd=$(cat ${output_file} \
	    | grep -Eo '"WordText":.*?[^\\]",' \
	    | awk -F':' '{print $2}' \
	    | awk -F',' '{print $1}' \
	    | awk '{ gsub(/^[ \t]+|[ \t]+$/, ""); print }' \
	    | tr -d \")
    echo ${pwd##*|}
}
# End functions

debug_flag=0
vpnbook_folder=$HOME/.vpnbook
vpnbook_base_url=https://www.vpnbook.com
vpnbook_url=${vpnbook_base_url}/freevpn
tesseract_service_url=https://api.ocr.space/parse/image
timestamp=$(date +%s)
output_file=/tmp/vpnbok_pwd_${timestamp}.json
log_file=/tmp/vpnbok_pwd_${timestamp}.log

# Start Script
while [ "$1" != "" ]; do
    case $1 in
        -o | --output )         shift
                                output_file=$1
                                ;;
        -d | --debug )          shift
                                debug_flag=1
                                ;;
        -h | --help )           usage
                                exit
                                ;;
        * )                     usage
                                exit 1
    esac
    shift
done

# Retrieve the Password URL from the official webpage
pwd_url=$(curl -s ${vpnbook_url} | grep -m2 "Password:" | tail -n1 | cut -d \" -f2)
echo "Retrieving Password at the following URL: ${vpnbook_base_url}/${pwd_url}"

curl -X POST --header "apikey: 5a64d478-9c89-43d8-88e3-c65de9999580" \
-F "url=${vpnbook_base_url}/${pwd_url}" \
-F 'language=eng' \
-F 'isOverlayRequired=true' \
-F 'FileType=.Auto' \
-F 'IsCreateSearchablePDF=false' \
-F 'isSearchablePdfHideTextLayer=true' \
-F 'scale=true' \
-F 'detectOrientation=false' \
-F 'isTable=false' \
${tesseract_service_url} -o ${output_file}

pwd=$(__extract_pwd ${output_file})
echo ${pwd} > ${output_file}

echo 'Retrieved password:---'${pwd}'---'

exit 0;