From 4d4b6edbc2e59c147b487306604de75e25657f1e Mon Sep 17 00:00:00 2001
From: samuel <53528911+samuel-jimenez@users.noreply.github.com>
Date: Wed, 26 Jul 2023 10:29:38 -0500
Subject: [PATCH] Add DNSExit.com API support

---
 dnsapi/dns_dnsexit.sh | 185 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 185 insertions(+)
 create mode 100644 dnsapi/dns_dnsexit.sh

diff --git a/dnsapi/dns_dnsexit.sh b/dnsapi/dns_dnsexit.sh
new file mode 100644
index 00000000..62d7d757
--- /dev/null
+++ b/dnsapi/dns_dnsexit.sh
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#use dns-01 at DNSExit.com
+
+#Author: Samuel Jimenez
+#Report Bugs here: https://github.com/acmesh-official/acme.sh
+
+#DNSEXIT_API_KEY=ABCDEFGHIJ0123456789abcdefghij
+#DNSEXIT_AUTH_USER=login@email.address
+#DNSEXIT_AUTH_PASS=aStrongPassword
+DNSEXIT_API_URL="https://api.dnsexit.com/dns/"
+DNSEXIT_HOSTS_URL="https://update.dnsexit.com/ipupdate/hosts.jsp"
+
+########  Public functions #####################
+#Usage: dns_dnsexit_add   _acme-challenge.*.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_dnsexit_add() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using DNSExit.com"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  _debug 'Load account auth'
+  if ! get_account_info; then
+    return 1
+  fi
+
+  _debug 'First detect the root zone'
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  if ! _dnsexit_rest "{\"domain\":\"$_domain\",\"add\":{\"type\":\"TXT\",\"name\":\"$_sub_domain\",\"content\":\"$txtvalue\",\"ttl\":0,\"overwrite\":false}}"; then
+    _err "$response"
+    return 1
+  fi
+
+  _debug2 _response "$response"
+  return 0
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_dnsexit_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using DNSExit.com"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+  _debug 'Load account auth'
+  if ! get_account_info; then
+    return 1
+  fi
+
+  _debug 'First detect the root zone'
+  if ! _get_root "$fulldomain"; then
+    _err "$response"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  if ! _dnsexit_rest "{\"domain\":\"$_domain\",\"delete\":{\"type\":\"TXT\",\"name\":\"$_sub_domain\",\"content\":\"$txtvalue\"}}"; then
+    _err "$response"
+    return 1
+  fi
+
+  _debug2 _response "$response"
+  return 0
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.www.domain.com
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+_get_root() {
+  domain=$1
+  i=1
+  while true; do
+    _domain=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _debug h "$_domain"
+    if [ -z "$_domain" ]; then
+      return 1
+    fi
+
+    _debug login "$DNSEXIT_AUTH_USER"
+    _debug password "$DNSEXIT_AUTH_PASS"
+    _debug domain "$_domain"
+
+    _dnsexit_http "login=$DNSEXIT_AUTH_USER&password=$DNSEXIT_AUTH_PASS&domain=$_domain"
+
+    if _contains "$response" "0=$_domain"; then
+      _sub_domain="$(echo "$fulldomain" | sed "s/\\.$_domain\$//")"
+      return 0
+    else
+      _debug "Go to next level of $_domain"
+    fi
+    i=$(_math "$i" + 1)
+  done
+
+  return 1
+}
+
+_dnsexit_rest() {
+  m=POST
+  ep=""
+  data="$1"
+  _debug _dnsexit_rest "$ep"
+  _debug data "$data"
+
+  api_key_trimmed=$(echo "$DNSEXIT_API_KEY" | tr -d '"')
+
+  export _H1="apikey: $api_key_trimmed"
+  export _H2='Content-Type: application/json'
+
+  if [ "$m" != "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "$DNSEXIT_API_URL/$ep" "" "$m")"
+  else
+    response="$(_get "$DNSEXIT_API_URL/$ep")"
+  fi
+
+  if [ "$?" != "0" ]; then
+    _err "Error $ep"
+    return 1
+  fi
+
+  _debug2 response "$response"
+  return 0
+}
+
+_dnsexit_http() {
+  m=GET
+  param="$1"
+  _debug param "$param"
+  _debug get "$DNSEXIT_HOSTS_URL?$param"
+
+  response="$(_get "$DNSEXIT_HOSTS_URL?$param")"
+
+  _debug response "$response"
+
+  if [ "$?" != "0" ]; then
+    _err "Error $param"
+    return 1
+  fi
+
+  _debug2 response "$response"
+  return 0
+}
+
+get_account_info() {
+
+  DNSEXIT_API_KEY="${DNSEXIT_API_KEY:-$(_readaccountconf_mutable DNSEXIT_API_KEY)}"
+  if test -z "$DNSEXIT_API_KEY"; then
+    DNSEXIT_API_KEY=''
+    _err 'DNSEXIT_API_KEY was not exported'
+    return 1
+  fi
+
+  _saveaccountconf_mutable DNSEXIT_API_KEY "$DNSEXIT_API_KEY"
+
+  DNSEXIT_AUTH_USER="${DNSEXIT_AUTH_USER:-$(_readaccountconf_mutable DNSEXIT_AUTH_USER)}"
+  if test -z "$DNSEXIT_AUTH_USER"; then
+    DNSEXIT_AUTH_USER=""
+    _err 'DNSEXIT_AUTH_USER was not exported'
+    return 1
+  fi
+
+  _saveaccountconf_mutable DNSEXIT_AUTH_USER "$DNSEXIT_AUTH_USER"
+
+  DNSEXIT_AUTH_PASS="${DNSEXIT_AUTH_PASS:-$(_readaccountconf_mutable DNSEXIT_AUTH_PASS)}"
+  if test -z "$DNSEXIT_AUTH_PASS"; then
+    DNSEXIT_AUTH_PASS=""
+    _err 'DNSEXIT_AUTH_PASS was not exported'
+    return 1
+  fi
+
+  _saveaccountconf_mutable DNSEXIT_AUTH_PASS "$DNSEXIT_AUTH_PASS"
+
+  return 0
+}