#!/bin/bash

# public DNS servers might be less sticky than ISP ones
DNSSERVER="8.8.8.8"

BMN_USER="JXXXXX-FREE"
BMN_PASS="plikplok"

DOMAIN=$(expr match "$CERTBOT_DOMAIN" '.*\.\(.*\..*\)')

# Bare TLD gets written off
if [[ $DOMAIN == "" ]]
then
  DOMAIN=$CERTBOT_DOMAIN
fi

echo "All Domains for this cert: $CERTBOT_ALL_DOMAINS"
echo "Remaing Challenges for this cert: $CERTBOT_REMAINING_CHALLENGES"
echo "Challenging Domain: $DOMAIN"

curl -s -u $BMN_USER:$BMN_PASS "https://www.bookmyname.com/dyndns/?hostname=_acme-challenge.$DOMAIN&type=txt&ttl=300&do=add&value=\"$CERTBOT_VALIDATION\""

loopcount=0
while true
do
  if [[ $loopcount == 40 ]]
  then
    echo "Failed to validate :-("
    exit 1
  fi

  ((loopcount=loopcount+1))
  echo -n "Try number $loopcount ..."
  recordset=$(dig @$DNSSERVER _acme-challenge.$DOMAIN TXT +short | tr -d "\""  | grep "$CERTBOT_VALIDATION")
  echo -n "Found '$recordset' ..."
  if [[ $recordset == $CERTBOT_VALIDATION ]]
  then
    echo "GOOD!"
    sleep 10s
    exit 0
  else
    echo "Having a nap..."
    sleep 1m
  fi
done