Create DNS API for Schlundtech

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mod242 2019-05-02 12:18:16 +02:00 committed by GitHub
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#!/usr/bin/env sh
# -*- mode: sh; tab-width: 2; indent-tabs-mode: s; coding: utf-8 -*-
# Schlundtech DNS API
# Author: mod242
# Created: 2019-40-29
# Completly based on the autoDNS xml api wrapper by auerswald@gmail.com
#
# export SCHLUNDTECH_USER="username"
# export SCHLUNDTECH_PASSWORD="password"
#
# Usage:
# acme.sh --issue --dns dns_schlundtech -d example.com
SCHLUNDTECH_API="https://gateway.schlundtech.de"
# Arguments:
# txtdomain
# txt
dns_schlundtech_add() {
fulldomain="$1"
txtvalue="$2"
SCHLUNDTECH_USER="${SCHLUNDTECH_USER:-$(_readaccountconf_mutable SCHLUNDTECH_USER)}"
SCHLUNDTECH_PASSWORD="${SCHLUNDTECH_PASSWORD:-$(_readaccountconf_mutable SCHLUNDTECH_PASSWORD)}"
if [ -z "$SCHLUNDTECH_USER" ] || [ -z "$SCHLUNDTECH_PASSWORD" ]; then
_err "You didn't specify schlundtech user and password."
return 1
fi
_saveaccountconf_mutable SCHLUNDTECH_USER "$SCHLUNDTECH_USER"
_saveaccountconf_mutable SCHLUNDTECH_PASSWORD "$SCHLUNDTECH_PASSWORD"
_debug "First detect the root zone"
if ! _get_autodns_zone "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _sub_domain "$_sub_domain"
_debug _zone "$_zone"
_debug _system_ns "$_system_ns"
_info "Adding TXT record"
autodns_response="$(_autodns_zone_update "$_zone" "$_sub_domain" "$txtvalue" "$_system_ns")"
if [ "$?" -eq "0" ]; then
_info "Added, OK"
return 0
fi
return 1
}
# Arguments:
# txtdomain
# txt
dns_schlundtech_rm() {
fulldomain="$1"
txtvalue="$2"
SCHLUNDTECH_USER="${SCHLUNDTECH_USER:-$(_readaccountconf_mutable SCHLUNDTECH_USER)}"
SCHLUNDTECH_PASSWORD="${SCHLUNDTECH_PASSWORD:-$(_readaccountconf_mutable SCHLUNDTECH_PASSWORD)}"
if [ -z "$SCHLUNDTECH_USER" ] || [ -z "$SCHLUNDTECH_PASSWORD" ]; then
_err "You didn't specify schlundtech user and password."
return 1
fi
_debug "First detect the root zone"
if ! _get_autodns_zone "$fulldomain"; then
_err "zone not found"
return 1
fi
_debug _sub_domain "$_sub_domain"
_debug _zone "$_zone"
_debug _system_ns "$_system_ns"
_info "Delete TXT record"
autodns_response="$(_autodns_zone_cleanup "$_zone" "$_sub_domain" "$txtvalue" "$_system_ns")"
if [ "$?" -eq "0" ]; then
_info "Deleted, OK"
return 0
fi
return 1
}
#################### Private functions below ##################################
# Arguments:
# fulldomain
# Returns:
# _sub_domain=_acme-challenge.www
# _zone=domain.com
# _system_ns
_get_autodns_zone() {
domain="$1"
i=2
p=1
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$h"
if [ -z "$h" ]; then
# not valid
return 1
fi
autodns_response="$(_autodns_zone_inquire "$h")"
if [ "$?" -ne "0" ]; then
_err "invalid domain"
return 1
fi
if _contains "$autodns_response" "<summary>1</summary>" >/dev/null; then
_zone="$(echo "$autodns_response" | _egrep_o '<name>[^<]*</name>' | cut -d '>' -f 2 | cut -d '<' -f 1)"
_system_ns="$(echo "$autodns_response" | _egrep_o '<system_ns>[^<]*</system_ns>' | cut -d '>' -f 2 | cut -d '<' -f 1)"
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
return 0
fi
p=$i
i=$(_math "$i" + 1)
done
return 1
}
_build_request_auth_xml() {
printf "<auth>
<user>%s</user>
<password>%s</password>
<context>10</context>
</auth>" "$SCHLUNDTECH_USER" "$SCHLUNDTECH_PASSWORD"
}
# Arguments:
# zone
_build_zone_inquire_xml() {
printf "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<request>
%s
<task>
<code>0205</code>
<view>
<children>1</children>
<limit>1</limit>
</view>
<where>
<key>name</key>
<operator>eq</operator>
<value>%s</value>
</where>
</task>
</request>" "$(_build_request_auth_xml)" "$1"
}
# Arguments:
# zone
# subdomain
# txtvalue
# system_ns
_build_zone_update_xml() {
printf "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<request>
%s
<task>
<code>0202001</code>
<default>
<rr_add>
<name>%s</name>
<ttl>600</ttl>
<type>TXT</type>
<value>%s</value>
</rr_add>
</default>
<zone>
<name>%s</name>
<system_ns>%s</system_ns>
</zone>
</task>
</request>" "$(_build_request_auth_xml)" "$2" "$3" "$1" "$4"
}
# Arguments:
# zone
_autodns_zone_inquire() {
request_data="$(_build_zone_inquire_xml "$1")"
autodns_response="$(_autodns_api_call "$request_data")"
ret="$?"
printf "%s" "$autodns_response"
return "$ret"
}
# Arguments:
# zone
# subdomain
# txtvalue
# system_ns
_autodns_zone_update() {
request_data="$(_build_zone_update_xml "$1" "$2" "$3" "$4")"
autodns_response="$(_autodns_api_call "$request_data")"
ret="$?"
printf "%s" "$autodns_response"
return "$ret"
}
# Arguments:
# zone
# subdomain
# txtvalue
# system_ns
_autodns_zone_cleanup() {
request_data="$(_build_zone_update_xml "$1" "$2" "$3" "$4")"
# replace 'rr_add>' with 'rr_rem>' in request_data
request_data="$(printf -- "%s" "$request_data" | sed 's/rr_add>/rr_rem>/g')"
autodns_response="$(_autodns_api_call "$request_data")"
ret="$?"
printf "%s" "$autodns_response"
return "$ret"
}
# Arguments:
# request_data
_autodns_api_call() {
request_data="$1"
_debug request_data "$request_data"
autodns_response="$(_post "$request_data" "$SCHLUNDTECH_API")"
ret="$?"
_debug autodns_response "$autodns_response"
if [ "$ret" -ne "0" ]; then
_err "error"
return 1
fi
if _contains "$autodns_response" "<type>success</type>" >/dev/null; then
_info "success"
printf "%s" "$autodns_response"
return 0
fi
return 1
}