acme.sh/dnsapi/dns_dnsservices.sh
2022-06-23 08:06:28 +02:00

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#!/usr/bin/env sh
#This file name is "dns_dnsservices.sh"
#Script for Danish DNS registra and DNS hosting provider https://dns.services
#
#Author: Bjarke Bruun <bbruun@gmail.com>
#Report Bugs here: https://github.com/bbruun/acme.sh
# Global variable to connect to the DNS Services API
DNSServices_API=https://dns.services/api
######## Public functions #####################
#Usage: dns_dnsservices_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_dnsservices_add() {
fulldomain=$1
txtvalue=$2
_info "Using dns.services to create ACME DNS challenge"
_debug2 add_fulldomain "$fulldomain"
_debug2 add_txtvalue "$txtvalue"
# Read username/password from environment or .acme.sh/accounts.conf
DnsServices_Username="${DnsServices_Username:-$(_readaccountconf_mutable DnsServices_Username)}"
DnsServices_Password="${DnsServices_Password:-$(_readaccountconf_mutable DnsServices_Password)}"
if [ -z "$DnsServices_Username" ] || [ -z "$DnsServices_Password" ]; then
DnsServices_Username=""
DnsServices_Password=""
_err "You didn't specify dns.services api username and password yet."
_err "Set environment variables DnsServices_Username and DnsServices_Password"
return 1
fi
# Setup GET/POST/DELETE headers
_setup_headers
#save the credentials to the account conf file.
_saveaccountconf_mutable DnsServices_Username "$DnsServices_Username"
_saveaccountconf_mutable DnsServices_Password "$DnsServices_Password"
if ! _contains "$DnsServices_Username" "@"; then
_err "It seems that the username variable DnsServices_Username has not been set/left blank"
_err "or is not a valid email. Please correct and try again."
return 1
fi
if ! _get_root "${fulldomain}"; then
_err "Invalid domain ${fulldomain}"
return 1
fi
if ! createRecord "$fulldomain" "${txtvalue}"; then
_err "Error creating TXT record in domain $fulldomain in $rootZoneName"
return 1
fi
_debug2 challenge-created "Created $fulldomain"
return 0
}
#Usage: fulldomain txtvalue
#Description: Remove the txt record after validation.
dns_dnsservices_rm() {
fulldomain=$1
txtvalue=$2
_info "Using dns.services to delete challenge $fulldomain TXT $txtvalue"
_debug rm_fulldomain "$fulldomain"
_debug rm_txtvalue "$txtvalue"
# Read username/password from environment or .acme.sh/accounts.conf
DnsServices_Username="${DnsServices_Username:-$(_readaccountconf_mutable DnsServices_Username)}"
DnsServices_Password="${DnsServices_Password:-$(_readaccountconf_mutable DnsServices_Password)}"
if [ -z "$DnsServices_Username" ] || [ -z "$DnsServices_Password" ]; then
DnsServices_Username=""
DnsServices_Password=""
_err "You didn't specify dns.services api username and password yet."
_err "Set environment variables DnsServices_Username and DnsServices_Password"
return 1
fi
# Setup GET/POST/DELETE headers
_setup_headers
if ! _get_root "${fulldomain}"; then
_err "Invalid domain ${fulldomain}"
return 1
fi
_debug2 rm_rootDomainInfo "found root domain $rootZoneName for $fulldomain"
if ! deleteRecord "${fulldomain}" "${txtvalue}"; then
_err "Error removing record: $fulldomain TXT ${txtvalue}"
return 1
fi
return 0
}
#################### Private functions below ##################################
_setup_headers() {
# Set up API Headers for _get() and _post()
# The <function>_add or <function>_rm must have been called before to work
if [ -z "$DnsServices_Username" ] || [ -z "$DnsServices_Password" ]; then
_err "Could not setup BASIC authentication headers, they are missing"
return 1
fi
DnsServiceCredentials="$(printf "%s" "$DnsServices_Username:$DnsServices_Password" | _base64)"
export _H1="Authorization: Basic $DnsServiceCredentials"
export _H2="Content-Type: application/json"
# Just return if headers are set
return 0
}
_get_root() {
domain=$1
_debug2 _get_root "Get the root domain of ${domain} for DNS API"
# Setup _get() and _post() headers
#_setup_headers
result=$(_H1="$_H1" _H2="$_H2" _get "$DNSServices_API/dns")
_debug2 _get_root "Got the following root domain(s) $result"
_debug2 _get_root "- JSON: $result"
if [ "$(echo "$result" | grep -c '"name"')" -gt "1" ]; then
checkMultiZones="true"
_debug2 _get_root "- multiple zones found"
else
checkMultiZones="false"
fi
# Find/isolate the root zone to work with in createRecord() and deleteRecord()
rootZone=""
if [ "$checkMultiZones" == "true" ]; then
rootZone=$(for zone in $(echo "$result" | tr -d '\n' ' '); do
if [[ "$zone" =~ "$domain" ]]; then
_debug2 _get_root "- trying to figure out if $zone is in $domain"
echo "$zone"
break
fi
done)
else
rootZone=$(echo "$result" | grep -o '"name":"[^"]*' | cut -d'"' -f4)
_debug2 _get_root "- only found 1 domain in API: $rootZone"
fi
if [ -z "$rootZone" ]; then
_err "Could not find root domain for $domain - is it correctly typed?"
return 1
fi
# Setup variables used by other functions to communicate with DNS Services API
zoneInfo=$(echo "$result" | sed "s,\"zones,\n&,g" | grep zones | cut -d'[' -f2 | cut -d']' -f1 | tr '}' '\n' | grep "\"$rootZone\"")
rootZoneName="$rootZone"
subDomainName="$(echo "$domain" | sed "s,\.$rootZone,,g")"
subDomainNameClean="$(echo "$domain" | sed "s,_acme-challenge.,,g")"
rootZoneDomainID=$(echo "$zoneInfo" | tr ',' '\n' | grep domain_id | cut -d'"' -f4)
rootZoneServiceID=$(echo "$zoneInfo" | tr ',' '\n' | grep service_id | cut -d'"' -f4)
_debug2 _get_root "Root zone name : $rootZoneName"
_debug2 _get_root "Root zone domain ID : $rootZoneDomainID"
_debug2 _get_root "Root zone service ID: $rootZoneServiceID"
_debug2 _get_root "Sub domain : $subDomainName"
_debug _get_root "Found valid root domain $rootZone for $subDomainNameClean"
return 0
}
createRecord() {
fulldomain=$1
txtvalue="$2"
# Get root domain information - needed for DNS Services API communication
if [ -z "$rootZoneName" ] || [ -z "$rootZoneDomainID" ] || [ -z "$rootZoneServiceID" ]; then
_get_root $fulldomain
fi
_debug2 createRecord "CNAME TXT value is: $txtvalue"
# Prepare data to send to API
data="{\"name\":\"${fulldomain}\",\"type\":\"TXT\",\"content\":\"${txtvalue}\", \"ttl\":\"10\"}"
_debug2 createRecord "data to API: $data"
result=$(_post "$data" "$DNSServices_API/service/$rootZoneServiceID/dns/$rootZoneDomainID/records" "" "POST")
_debug2 createRecord "result from API: $result"
if [ "$(echo "$result" | grep '"success":true')" == "" ]; then
_err "Failed to create TXT record $fulldomain with content $txtvalue in zone $rootZoneName"
_err "$result"
return 1
fi
_info "Record \"$fulldomain TXT $txtvalue\" has been created"
return 0
}
deleteRecord() {
fulldomain=$1
txtvalue=$2
if [[ ! "$fulldomain" =~ "_acme-challenge" ]]; then
_err "The script tried to delete the record $fulldomain which is not the above created ACME challenge"
return 1
fi
_debug2 deleteRecord "Deleting $fulldomain TXT $txtvalue record"
if [ -z "$rootZoneName" ] || [ -z "$rootZoneDomainID" ] || [ -z "$rootZoneServiceID" ]; then
_get_root $fulldomain
fi
result="$(_H1="$_H1" _H2="$_H2" _get "$DNSServices_API/service/$rootZoneServiceID/dns/$rootZoneDomainID")"
recordInfo="$(echo "$result" | tr '}' '\n' | grep "\"name\":\"${fulldomain}" | grep "\"content\":\"" | grep "${txtvalue}")"
_debug2 deleteRecord "recordInfo=$recordInfo"
recordID="$(echo "$recordInfo" | tr ',' '\n' | egrep "\"id\":\"[0-9]+\"" | cut -d'"' -f4)"
if [ -z "$recordID" ]; then
_info "Record $fulldomain TXT $txtvalue not found or already deleted"
return 0
else
_debug2 deleteRecord "Found recordID=$recordID"
fi
_debug2 deleteRecord "DELETE request $DNSServices_API/service/$rootZoneServiceID/dns/$rootZoneDomainID/records/$recordID"
result="$(_H1="$_H1" _H2="$_H2" _post "" "$DNSServices_API/service/$rootZoneServiceID/dns/$rootZoneDomainID/records/$recordID" "" "DELETE")"
_debug2 deleteRecord "API Delete result \"$result\""
# Return OK regardless
return 0
}