From 7f9b8d68ac793ed9b3a9cd525f0eafbff94ca4c6 Mon Sep 17 00:00:00 2001
From: Bjarne Saltbaek <arnebjarne72@hotmail.com>
Date: Sat, 2 Oct 2021 19:30:07 +0200
Subject: [PATCH] Added dns-cpanel.sh as support for cPanel controlled DNS
 systems

---
 dnsapi/dns_cpanel.sh | 150 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100755 dnsapi/dns_cpanel.sh

diff --git a/dnsapi/dns_cpanel.sh b/dnsapi/dns_cpanel.sh
new file mode 100755
index 00000000..4f25dc5c
--- /dev/null
+++ b/dnsapi/dns_cpanel.sh
@@ -0,0 +1,150 @@
+#!/bin/bash
+#Author: Bjarne Saltbaek
+#Report Bugs here: https://github.com/acmesh-official/acme.sh
+#
+#
+########  Public functions #####################
+
+# Export CPANEL username,api token and hostname in the following variables
+#
+# cPanel_Username=username
+# cPanel_Apitoken=apitoken
+# cPanel_Hostname=hostname
+
+#Usage: dns_cpanel_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_cpanel_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _info "Adding TXT record to cPanel based system"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  if ! _cpanel_login; then
+    _err "cPanel Login failed for user $cPanel_Username. Check $HTTP_HEADER file"
+    return 1
+  fi
+
+  _debug "First detect the root zone"
+  if ! _get_domain "$fulldomain"; then
+    _err "No matching root domain for $fulldomain found"
+    return 1
+  fi
+  # adding entry
+  _info "Adding the entry"
+  stripped_fulldomain=$(echo "$fulldomain" | sed "s/.$_domain//")
+  _debug "Adding $stripped_fulldomain to $_domain zone"
+  _myget "json-api/cpanel?cpanel_jsonapi_apiversion=2&cpanel_jsonapi_module=ZoneEdit&cpanel_jsonapi_func=add_zone_record&domain=$_domain&name=$stripped_fulldomain&type=TXT&txtdata=$txtvalue&ttl=1"
+  if _successful_update; then return 0; fi
+  _err "Couldn't create entry!"
+  return 1
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_cpanel_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _info "Using cPanel based system"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  if ! _cpanel_login; then
+    _err "cPanel Login failed for user $cPanel_Username. Check $HTTP_HEADER file"
+    return 1
+  fi
+
+  if ! _get_domain; then
+    _err "No matching root domain for $fulldomain found"
+    return 1
+  fi
+
+  _findentry "$fulldomain" "$txtvalue"
+  if [ -z "$_id" ]; then
+    _info "Entry doesn't exist, nothing to delete"
+    return 0
+  fi
+  _debug "Deleting record..."
+  _myget "json-api/cpanel?cpanel_jsonapi_apiversion=2&cpanel_jsonapi_module=ZoneEdit&cpanel_jsonapi_func=remove_zone_record&domain=$_domain&line=$_id"
+  # removing entry
+
+  if _successful_update; then return 0; fi
+  _err "Couldn't delete entry!"
+  return 1
+}
+
+####################  Private functions below ##################################
+
+_checkcredentials() {
+  cPanel_Username="${cPanel_Username:-$(_readaccountconf_mutable cPanel_Username)}"
+  cPanel_Apitoken="${cPanel_Apitoken:-$(_readaccountconf_mutable cPanel_Apitoken)}"
+
+  if [ -z "$cPanel_Username" ] || [ -z "$cPanel_Apitoken" ]; then
+    cPanel_Username=""
+    cPanel_Apitoken=""
+    _err "You haven't specified cPanel username and apitoken yet."
+    _err "Please add credentials and try again."
+    return 1
+  fi
+  #save the credentials to the account conf file.
+  _saveaccountconf_mutable cPanel_Username "$cPanel_Username"
+  _saveaccountconf_mutable cPanel_Apitoken "$cPanel_Apitoken"
+  return 0
+}
+
+_cpanel_login() {
+  if ! _checkcredentials; then return 1; fi
+
+  if ! _myget "json-api/cpanel?cpanel_jsonapi_apiversion=2&cpanel_jsonapi_module=CustInfo&cpanel_jsonapi_func=displaycontactinfo"; then
+    _err "cPanel login failed for user $cPanel_Username."
+    return 1
+  fi
+  return 0
+}
+
+_myget() {
+  #Adds auth header to request
+  export _H1="Authorization: cpanel $cPanel_Username:$cPanel_Apitoken"
+  _result=$(_get "$cPanel_Hostname/$1")
+}
+
+_get_domain() {
+  _myget 'json-api/cpanel?cpanel_jsonapi_apiversion=2&cpanel_jsonapi_module=ZoneEdit&cpanel_jsonapi_func=fetchzones'
+  _domains=$(echo "$_result" | jq '.cpanelresult.data[]| {zones}| .zones| keys' | sed -e 's/"//g' -e 's/,//g' -e 's/\[//g' -e 's/\]//g' -e '/^$/d' -e 's/[[:space:]]//g')
+  _debug "_result is: $_result"
+  _debug "_domains is: $_domains"
+  if [ -z "$_domains" ]; then
+    _err "Primary domain list not found!"
+    return 1
+  fi
+  for _domain in $_domains; do
+    _debug "Checking if $fulldomain ends with $_domain"
+    if (_endswith "$fulldomain" "$_domain"); then
+      _debug "Root domain: $_domain"
+      return 0
+    fi
+  done
+  return 1
+}
+
+_successful_update() {
+  if (echo "$_result" | grep -q 'newserial'); then return 0; fi
+  return 1
+}
+
+_findentry() {
+  _debug "In _findentry"
+  #returns id of dns entry, if it exists
+  _myget "json-api/cpanel?cpanel_jsonapi_apiversion=2&cpanel_jsonapi_module=ZoneEdit&cpanel_jsonapi_func=fetchzone_records&domain=$_domain"
+  jqquery=".cpanelresult.data[] | select(.name == \"$fulldomain.\")| {Line} | .Line"
+  _id=$(echo "$_result" | jq "$jqquery")
+  _debug "_result is: $_result"
+  _debug "fulldomain. is $fulldomain."
+  _debug "_id is: $_id"
+  if [ -n "$_id" ]; then
+    _debug "Entry found with _id=$_id"
+    return 0
+  fi
+  return 1
+}