additional logging for incoming port on downloader

run/nobody/getvpnport.sh

@@ -1,17 +1,15 @@
 #!/bin/bash
 
-while [ ! -f /home/nobody/vpn_incoming_port.txt ]
+vpn_port="/home/nobody/vpn_incoming_port.txt"
+
+echo "[info] Waiting for file '${vpn_port}' to be generated (contains PIA API generated incoming port number)..."
+while [ ! -f "${vpn_port}" ]
 do
 	sleep 0.1s
 done
 
-# get port number assigned from pia's api (file contents generated by /root/getvpnport.sh)
-VPN_INCOMING_PORT=$(</home/nobody/vpn_incoming_port.txt)
+VPN_INCOMING_PORT=$(<"${vpn_port}")
 
-if [[ -z "${VPN_INCOMING_PORT}" ]]; then
-	echo "[warn] Port forwarding is already activated on this connection, has expired, or you are NOT connected to a PIA region that supports port forwarding"
-else
-	if [[ "${DEBUG}" == "true" ]]; then
-		echo "[debug] Incoming port for tunnel is '${VPN_INCOMING_PORT}'"
-	fi
+if [[ "${DEBUG}" == "true" ]]; then
+	echo "[debug] Incoming port for tunnel is '${VPN_INCOMING_PORT}'"
 fi