portforward.sh

#!/bin/sh
#sets script dir as working dir
cd "$(dirname "$0")"
PIA_CERT="ca.rsa.4096.crt"
PIA_TOKEN=$(cat PIA_TOKEN)
PIA_SERVER_IP=$(cat PIA_SERVER_IP)
PIA_WG_CN=$(cat PIA_WG_CN)

PF_SIG="$(curl --interface oet1 --CAcert $PIA_CERT --get --silent --show-error --retry 5 --retry-delay 1 --max-time 2 --data-urlencode token=$PIA_TOKEN --resolve $PIA_WG_CN:19999:$PIA_SERVER_IP https://$PIA_WG_CN:19999/getSignature)"

echo $PF_SIG
#various files are generated which are needed to run portforwardbind.sh
echo $PF_SIG>PF_SIG
PF_PAYLOAD_RAW="$(echo $PF_SIG | jq -r '.payload')"
echo $PF_PAYLOAD_RAW>PF_PAYLOAD_RAW
PF_PAYLOAD="$(echo $PF_PAYLOAD_RAW | base64 -d )"
echo $PF_PAYLOAD
#unworking expiry function
#PF_TOKEN_EXPIRY_RAW=$(echo $PF_PAYLOAD | jq -r .expires_at)
#PF_TOKEN_EXPIRY=$(date --date="$PF_TOKEN_EXPIRY_RAW" +%s)
PF_GETSIGNATURE=$(echo $PF_SIG | jq -r .signature)
echo $PF_GETSIGNATURE>PF_GETSIGNATURE
#pulls the assigned port
PF_PORT=$(echo $PF_PAYLOAD | jq -r .port)
echo $PF_PORT
echo $PF_PORT>PF_PORT
./portforwardbind.sh