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#!/bin/bash
FULLDOMAIN=$1
TOKEN=$2
TMPFILE=$(mktemp /tmp/dns_add_joker.XXXXXXX)
USERNAME="youruser"
PASSWORD="yourpassword"
# Verify that required parameters are set
if [[ -z "${FULLDOMAIN}" ]]; then
echo "DNS script requires full domain name as first parameter"
exit 1
fi
if [[ -z "${TOKEN}" ]]; then
echo "DNS script requires challenge token as second parameter"
exit 1
fi
DOMAIN_ROOT=$(echo "${FULLDOMAIN}" | awk -F\. '{print $(NF-1) FS $NF}')
SID=$(curl --silent -X POST https://dmapi.joker.com/request/login \
-H "Accept: application/json" -H "User-Agent: getssl/0.1" \
-H "application/x-www-form-urlencoded" -d "username=${USERNAME}&password=${PASSWORD}" \
-i -k 2>/dev/null | grep Auth-Sid | awk '{ print $2 }')
## put zone data in tempfile
curl --silent -X POST https://dmapi.joker.com/request/dns-zone-get \
-H "Accept: application/json" -H "User-Agent: getssl/0.1" \
-H "application/x-www-form-urlencoded" -d "domain=${DOMAIN_ROOT}&auth-sid=${SID}" | \
tail -n +7 >"${TMPFILE}"
## add txt record
printf "_acme-challenge.%s. TXT 0 \"%s \" 300\n\n" "${FULLDOMAIN}" "${TOKEN}" >>"${TMPFILE}"
## generate encoded url data
URLDATA=$(cat "${TMPFILE}" | sed 's/ /%20/g' | sed 's/"/%22/g' | sed ':a;N;$!ba;s/\n/%0A/g')
## write new zonefile to joker
curl --silent --output /dev/null "https://dmapi.joker.com/request/dns-zone-put?domain=${DOMAIN_ROOT}&zone=${URLDATA}&auth-sid=${SID}" 2>&1
## remove tempfile
rm -f "${TMPFILE}"