From 7cc30c268b6c1f79be55fa3a8d31ec50892a4a78 Mon Sep 17 00:00:00 2001
From: ma331 <59875686+ma331@users.noreply.github.com>
Date: Thu, 29 Oct 2020 11:14:44 +0100
Subject: [PATCH] Script to use with Anexia CloudDNS

---
 dnsapi/dns_anx.sh | 157 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 dnsapi/dns_anx.sh

diff --git a/dnsapi/dns_anx.sh b/dnsapi/dns_anx.sh
new file mode 100644
index 00000000..9865adc2
--- /dev/null
+++ b/dnsapi/dns_anx.sh
@@ -0,0 +1,157 @@
+#!/usr/bin/env sh
+
+#ANX_Token="xxxx"
+
+ANX_API='https://engine.anexia-it.com/api/clouddns/v1'
+
+########  Public functions #####################
+
+dns_anx_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _info "Using ANX CDNS API"
+
+  ANX_Token="${ANX_Token:-$(_readaccountconf_mutable ANX_Token)}"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  if [ "$ANX_Token" ]; then
+    _saveaccountconf_mutable ANX_Token "$ANX_Token"
+  else
+   _err "You didn't specify a ANEXIA Engine API token."
+   return 1
+  fi
+
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+
+  # Always add records, wildcard need two records with the same name
+  _anx_rest POST "zone.json/${_domain}/records" "{\"name\":\"$_sub_domain\",\"type\":\"TXT\",\"rdata\":\"$txtvalue\"}"
+  if _contains "$response" "$txtvalue"; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+dns_anx_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _info "Using ANX CDNS API"
+
+  ANX_Token="${ANX_Token:-$(_readaccountconf_mutable ANX_Token)}"
+
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+
+  _get_record_id
+
+  if _is_uuid "$_record_id"; then
+    if ! _anx_rest DELETE "zone.json/${_domain}/records/$_record_id"; then
+      _err "Delete record"
+      return 1
+    fi
+  else
+    _info "No record found."
+  fi
+  echo "$response" | tr -d " " | grep \"status\":\"OK\" >/dev/null
+}
+
+####################  Private functions below ##################################
+
+_is_uuid() {
+  pattern='^\{?[A-Z0-9a-z]{8}-[A-Z0-9a-z]{4}-[A-Z0-9a-z]{4}-[A-Z0-9a-z]{4}-[A-Z0-9a-z]{12}\}?$'
+  if echo "$1" | _egrep_o "$pattern" >/dev/null; then
+    return 0
+  fi
+  return 1
+}
+
+_get_record_id() {
+  _debug subdomain "$_sub_domain"
+  _debug domain "$_domain"
+
+  if _anx_rest GET "zone.json/${_domain}/records?name=$_sub_domain&type=TXT"; then
+    _debug response "$response"
+    if _contains "$response" "\"name\":\"$_sub_domain\"" >/dev/null; then
+      _record_id=$(printf "%s\n" "$response" | _egrep_o "\[.\"identifier\":\"[^\"]*\"" | head -n 1 | cut -d : -f 2 | tr -d \")
+    else
+      _record_id=''
+    fi
+  else
+    _err "Search existing record"
+  fi
+}
+
+_anx_rest() {
+  m=$1
+  ep="$2"
+  data="$3"
+  _debug "$ep"
+
+  export _H1="Content-Type: application/json"
+  export _H2="Authorization: Token $ANX_Token"
+
+  if [ "$m" != "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "${ANX_API}/$ep" "" "$m")"
+  else
+    response="$(_get "${ANX_API}/$ep")"
+  fi
+
+  # shellcheck disable=SC2181
+  if [ "$?" != "0" ]; then
+    _err "error $ep"
+    return 1
+  fi
+  _debug response "$response"
+  return 0
+}
+
+
+#_acme-challenge.www.domain.com
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+_get_root() {
+  domain=$1
+  i=1
+  p=1
+
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _debug h "$h"
+    if [ -z "$h" ]; then
+      #not valid
+      return 1
+    fi
+
+    # Does a zone with that name exist?
+    _anx_rest GET "zone.json/$h"
+    # shellcheck disable=SC2154
+    if [ "$code" -ne 200 ]; then
+      continue
+    fi
+
+    if _contains "$response" "\"name\":\"$h\""; then
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _domain=$h
+      return 0
+    fi
+
+    p=$i
+    i=$(_math "$i" + 1)
+  done
+  return 1
+}