#!/usr/bin/env sh
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# Scaleway API
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# https://developers.scaleway.com/en/products/domain/dns/api/
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#
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# Requires Scaleway API token set in SCALEWAY_API_TOKEN
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######## Public functions #####################
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SCALEWAY_API="https://api.scaleway.com/domain/v2beta1"
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#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_scaleway_add() {
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fulldomain=$1
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txtvalue=$2
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if ! _scaleway_check_config; then
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return 1
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fi
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_debug "First detect the root zone"
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if ! _get_root "$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 _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_info "Adding record"
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_scaleway_create_TXT_record "$_domain" "$_sub_domain" "$txtvalue"
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if _contains "$response" "records"; then
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return 0
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else
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_err error "$response"
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return 1
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fi
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_info "Record added."
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return 0
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}
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dns_scaleway_rm() {
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fulldomain=$1
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txtvalue=$2
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if ! _scaleway_check_config; then
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return 1
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fi
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_debug "First detect the root zone"
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if ! _get_root "$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 _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_info "Deleting record"
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_scaleway_delete_TXT_record "$_domain" "$_sub_domain" "$txtvalue"
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if _contains "$response" "records"; then
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return 0
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else
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_err error "$response"
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return 1
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fi
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_info "Record deleted."
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return 0
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}
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#################### Private functions below ##################################
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_scaleway_check_config() {
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SCALEWAY_API_TOKEN="${SCALEWAY_API_TOKEN:-$(_readaccountconf_mutable SCALEWAY_API_TOKEN)}"
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if [ -z "$SCALEWAY_API_TOKEN" ]; then
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_err "No API key specified for Scaleway API."
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_err "Create your key and export it as SCALEWAY_API_TOKEN"
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return 1
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fi
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if ! _scaleway_rest GET "dns-zones"; then
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_err "Invalid API key specified for Scaleway API."
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return 1
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fi
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_saveaccountconf_mutable SCALEWAY_API_TOKEN "$SCALEWAY_API_TOKEN"
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return 0
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}
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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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_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 $i-100)
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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_scaleway_rest GET "dns-zones/$h/records"
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if ! _contains "$response" "subdomain not found" >/dev/null; 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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p=$i
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i=$(_math "$i" + 1)
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done
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_err "Unable to retrive DNS zone matching this domain"
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return 1
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}
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# this function add a TXT record
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_scaleway_create_TXT_record() {
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txt_zone=$1
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txt_name=$2
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txt_value=$3
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_scaleway_rest PATCH "dns-zones/$txt_zone/records" "{\"return_all_records\":false,\"changes\":[{\"add\":{\"records\":[{\"name\":\"$txt_name\",\"data\":\"$txt_value\",\"type\":\"TXT\",\"ttl\":60}]}}]}"
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if _contains "$response" "records"; then
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return 0
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else
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_err "error1 $response"
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return 1
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fi
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}
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# this function delete a TXT record based on name and content
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_scaleway_delete_TXT_record() {
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txt_zone=$1
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txt_name=$2
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txt_value=$3
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_scaleway_rest PATCH "dns-zones/$txt_zone/records" "{\"return_all_records\":false,\"changes\":[{\"delete\":{\"id_fields\":{\"name\":\"$txt_name\",\"data\":\"$txt_value\",\"type\":\"TXT\"}}}]}"
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if _contains "$response" "records"; then
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return 0
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else
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_err "error2 $response"
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return 1
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fi
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}
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_scaleway_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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_scaleway_url="$SCALEWAY_API/$ep"
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_debug2 _scaleway_url "$_scaleway_url"
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export _H1="x-auth-token: $SCALEWAY_API_TOKEN"
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export _H2="Accept: application/json"
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export _H3="Content-Type: application/json"
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if [ "$data" ] || [ "$m" != "GET" ]; then
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_debug data "$data"
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response="$(_post "$data" "$_scaleway_url" "" "$m")"
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else
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response="$(_get "$_scaleway_url")"
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fi
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if [ "$?" != "0" ] || _contains "$response" "denied_authentication" || _contains "$response" "Method not allowed" || _contains "$response" "json parse error: unexpected EOF"; then
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_err "error $response"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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