From 38a19fa574a5df27e2537dd3d4bcde49c92b3a7b Mon Sep 17 00:00:00 2001
From: peterlh <peter@r12.dk>
Date: Sat, 5 Feb 2022 20:54:30 +0100
Subject: [PATCH] created dns_curanet.sh

---
 dnsapi/dns_curanet.sh | 142 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 dnsapi/dns_curanet.sh

diff --git a/dnsapi/dns_curanet.sh b/dnsapi/dns_curanet.sh
new file mode 100644
index 00000000..0cdf9592
--- /dev/null
+++ b/dnsapi/dns_curanet.sh
@@ -0,0 +1,142 @@
+#!/usr/bin/env sh
+
+#Script to use with curanet.dk, scannet.dk, wannafind.dk, dandomain.dk DNS management.
+#
+#Author: Peter L. Hansen <peter@r12.dk>
+
+CURANET_REST_URL="https://api.curanet.dk/dns/v1/Domains"
+CURANET_AUTH_URL="https://apiauth.dk.team.blue/auth/realms/Curanet/protocol/openid-connect/token"
+CURANET_ACCESS_TOKEN=""
+
+########  Public functions #####################
+
+#Usage: dns_curanet_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_curanet_add() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using curanet"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  CURANET_AUTHCLIENTID="${CURANET_AUTHCLIENTID:-$(_readaccountconf_mutable CURANET_AUTHCLIENTID)}"
+  CURANET_AUTHSECRET="${CURANET_AUTHSECRET:-$(_readaccountconf_mutable CURANET_AUTHSECRET)}"
+  if [ -z "$CURANET_AUTHCLIENTID" ] || [ -z "$CURANET_AUTHSECRET" ]; then
+    CURANET_AUTHCLIENTID=""
+    CURANET_AUTHSECRET=""
+    _err "You don't specify curanet api client and secret."
+    _err "Please create your auth info and try again."
+    return 1
+  fi
+
+  #save the credentials to the account conf file.
+  _saveaccountconf_mutable CURANET_AUTHCLIENTID "$CURANET_AUTHCLIENTID"
+  _saveaccountconf_mutable CURANET_AUTHSECRET "$CURANET_AUTHSECRET"
+
+  gettoken
+
+  _get_root "$fulldomain"
+  
+  export _H1="Content-Type: application/json-patch+json"
+  export _H2="Accept: application/json"
+  export _H3="Authorization: Bearer $CURANET_ACCESS_TOKEN"
+  data="{\"name\": \"$fulldomain\",\"type\": \"TXT\",\"ttl\": 60,\"priority\": 0,\"data\": \"$txtvalue\"}"
+  response="$(_post "$data" "$CURANET_REST_URL/${_domain}/Records" "" "")"
+
+  if _contains "$response" "$txtvalue"; then
+      _debug "TXT record added OK"
+  else
+    _err "Unable to add TXT record"
+    return 1
+  fi
+
+  return 0
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_curanet_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using curanet"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+  
+  CURANET_AUTHCLIENTID="${CURANET_AUTHCLIENTID:-$(_readaccountconf_mutable CURANET_AUTHCLIENTID)}"
+  CURANET_AUTHSECRET="${CURANET_AUTHSECRET:-$(_readaccountconf_mutable CURANET_AUTHSECRET)}"
+
+  gettoken
+
+  _get_root "$fulldomain"
+  
+  _debug "Getting current record list to identify TXT to delete"
+
+  export _H1="Content-Type: application/json"
+  export _H2="Accept: application/json"
+  export _H3="Authorization: Bearer $CURANET_ACCESS_TOKEN"
+
+  response="$(_get "$CURANET_REST_URL/${_domain}/Records" "" "")"
+
+  if ! _contains "$response" "$txtvalue"; then
+    _err "Unable to delete record (does not contain $txtvalue )"
+    return 1
+  fi
+
+  recordid=$(echo "$response" | _egrep_o "{\"id\":[0-9]+,\"name\":\"$fulldomain\"" | _egrep_o "id\":[0-9]+" | cut -c 5-)
+
+  re='^[0-9]+$'
+  if ! [[ $recordid =~ $re ]] ; then
+    err "Unable to delete record (did not find recordID to delete)"
+    return 1
+  fi
+
+  _debug "Deleting recordID $recordid"
+  
+  response="$(_post "" "$CURANET_REST_URL/${_domain}/Records/$recordid" "" "DELETE")"
+
+  return 0;
+  
+}
+
+####################  Private functions below ##################################
+
+gettoken() {
+	CURANET_ACCESS_TOKEN=$(curl -s $CURANET_AUTH_URL -d "grant_type=client_credentials&client_id=$CURANET_AUTHCLIENTID&client_secret=$CURANET_AUTHSECRET&scope=dns" | jq -r '.access_token')
+
+}
+
+
+#_acme-challenge.www.domain.com
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+# _domain_id=sdjkglgdfewsdfg
+_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
+
+    export _H1="Content-Type: application/json"
+    export _H2="Accept: application/json"
+    export _H3="Authorization: Bearer $CURANET_ACCESS_TOKEN"
+    response="$(_get "$CURANET_REST_URL/$h/Records" "" "")"
+
+    if [ ! "$(echo "$response" | _egrep_o "Entity not found")" ]; 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
+}
+