#!/usr/bin/env sh
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#
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#AURORA_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"
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#
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#AURORA_Secret="sdfsdfsdfljlbjkljlkjsdfoiwje"
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AURORA_Api="https://api.auroradns.eu"
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######## Public functions #####################
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#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_aurora_add() {
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fulldomain=$1
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txtvalue=$2
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AURORA_Key="${AURORA_Key:-$(_readaccountconf_mutable AURORA_Key)}"
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AURORA_Secret="${AURORA_Secret:-$(_readaccountconf_mutable AURORA_Secret)}"
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if [ -z "$AURORA_Key" ] || [ -z "$AURORA_Secret" ]; then
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AURORA_Key=""
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AURORA_Secret=""
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_err "You didn't specify an Aurora api key and secret yet."
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_err "You can get yours from here https://cp.pcextreme.nl/auroradns/users."
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return 1
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fi
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#save the api key and secret to the account conf file.
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_saveaccountconf_mutable AURORA_Key "$AURORA_Key"
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_saveaccountconf_mutable AURORA_Secret "$AURORA_Secret"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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_err "invalid domain"
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return 1
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fi
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_debug _domain_id "$_domain_id"
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_info "Adding record"
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if _aurora_rest POST "zones/$_domain_id/records" "{\"type\":\"TXT\",\"name\":\"$_sub_domain\",\"content\":\"$txtvalue\",\"ttl\":300}"; then
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if _contains "$response" "$txtvalue"; then
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_info "Added, OK"
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return 0
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elif _contains "$response" "RecordExistsError"; then
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_info "Already exists, OK"
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return 0
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else
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_err "Add txt record error."
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return 1
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fi
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fi
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_err "Add txt record error."
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return 1
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}
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#fulldomain txtvalue
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dns_aurora_rm() {
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fulldomain=$1
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txtvalue=$2
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AURORA_Key="${AURORA_Key:-$(_readaccountconf_mutable AURORA_Key)}"
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AURORA_Secret="${AURORA_Secret:-$(_readaccountconf_mutable AURORA_Secret)}"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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_err "invalid domain"
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return 1
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fi
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_debug _domain_id "$_domain_id"
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_debug "Getting records"
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_aurora_rest GET "zones/${_domain_id}/records"
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if ! _contains "$response" "$txtvalue"; then
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_info "Don't need to remove."
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else
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records=$(echo "$response" | _normalizeJson | tr -d "[]" | sed "s/},{/}|{/g" | tr "|" "\n")
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if [ "$(echo "$records" | wc -l)" -le 2 ]; then
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_err "Can not parse records."
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return 1
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fi
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record_id=$(echo "$records" | grep "\"type\": *\"TXT\"" | grep "\"name\": *\"$_sub_domain\"" | grep "\"content\": *\"$txtvalue\"" | _egrep_o "\"id\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | _head_n 1 | tr -d " ")
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_debug "record_id" "$record_id"
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if [ -z "$record_id" ]; then
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_err "Can not get record id to remove."
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return 1
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fi
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if ! _aurora_rest DELETE "zones/$_domain_id/records/$record_id"; then
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_err "Delete record error."
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return 1
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fi
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fi
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return 0
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}
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#################### Private functions below ##################################
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#_acme-challenge.www.domain.com
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#returns
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# _sub_domain=_acme-challenge.www
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# _domain=domain.com
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# _domain_id=sdjkglgdfewsdfg
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_get_root() {
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domain=$1
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i=1
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p=1
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while true; do
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h=$(printf "%s" "$domain" | cut -d . -f $i-100)
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_debug h "$h"
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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if ! _aurora_rest GET "zones/$h"; then
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return 1
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fi
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if _contains "$response" "\"name\": \"$h\""; then
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_domain_id=$(echo "$response" | _normalizeJson | tr -d "{}" | tr "," "\n" | grep "\"id\": *\"" | cut -d : -f 2 | tr -d \" | _head_n 1 | tr -d " ")
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_debug _domain_id "$_domain_id"
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if [ "$_domain_id" ]; then
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
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_domain=$h
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return 0
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fi
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return 1
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fi
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p=$i
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i=$(_math "$i" + 1)
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done
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return 1
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}
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_aurora_rest() {
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m=$1
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ep="$2"
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data="$3"
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_debug "$ep"
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key_trimmed=$(echo "$AURORA_Key" | tr -d '"')
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secret_trimmed=$(echo "$AURORA_Secret" | tr -d '"')
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timestamp=$(date -u +"%Y%m%dT%H%M%SZ")
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signature=$(printf "%s/%s%s" "$m" "$ep" "$timestamp" | _hmac sha256 "$(printf "%s" "$secret_trimmed" | _hex_dump | tr -d " ")" | _base64)
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authorization=$(printf "AuroraDNSv1 %s" "$(printf "%s:%s" "$key_trimmed" "$signature" | _base64)")
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export _H1="Content-Type: application/json; charset=UTF-8"
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export _H2="X-AuroraDNS-Date: $timestamp"
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export _H3="Authorization: $authorization"
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if [ "$m" != "GET" ]; then
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_debug data "$data"
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response="$(_post "$data" "$AURORA_Api/$ep" "" "$m")"
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else
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response="$(_get "$AURORA_Api/$ep")"
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fi
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if [ "$?" != "0" ]; then
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_err "error $ep"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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