Add DNS method for Digital Ocean

Uses the Digital Ocean command-line tool "doctl" (https://github.com/digitalocean/doctl) to
add records supporting DNS verification of domain names

dnsapi/dns_doctl.sh

@@ -0,0 +1,139 @@
+#!/bin/bash
+
+#Author: Neilpang
+#			original file dns_myapi.sh
+#			Modified by Chris Polley to support Digital Ocean
+#Report Bugs here: https://github.com/Neilpang/acme.sh
+#
+#depends: doctl (https://github.com/digitalocean/doctl/) v1.5
+#         (configured using `doctl auth init` and the acocunt's access token
+#
+########  Public functions #####################
+
+#Usage: dns_myapi_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_doctl_add() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using dns_doctl"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+# digitalocean needs the domain to act upon, so split $fulldomain into record-name and domain
+# "_acme-challenge" and "www.domain.com" in the above example
+
+
+	# get list of domains authorized
+	domains_avail=$( doctl compute domain list --no-header --format Domain | tr "$IFS" " " )
+	_debug domains_avail "$domains_avail"
+
+	if [ -z "$domains_avail" ]
+	then
+		_err "No domains in DigitalOcean DNS"
+		return 1
+	fi
+
+	for d in $domains_avail
+	do
+		_debug trying_domain "$d"
+		try_domain=${fulldomain##$d}
+		try_challenge=${fulldomain%%.$d}
+		_debug try_domain "$try_domain"
+		_debug try_challenge "$challenge"
+
+		if [ "$fulldomain" == "$try_challenge.$d" ]
+		then
+			_debug matches "$d"
+			domain="$d"
+			challenge="$try_challenge"
+		else
+			_debug no_match "$d"
+		fi
+	done
+
+	if [ -z "$domain" ]
+	then
+		_err "Unable to locate domain of $fulldomain in DigitalOcean DNS"
+		return 1
+	fi
+
+	record_name="$challenge"
+	_debug domain "$domain"
+	_debug record_name "$record_name"
+    _debug txtvalue "$txtvalue"
+	id_created=$( doctl compute domain records create $domain --record-data $txtvalue  --record-name $record_name --record-type TXT --no-header --format ID )
+	_debug id_created "$id_created"
+	_info "Created record $id_created in domain $domain with name $record_name and TXT $txtvalue"
+	if [ "" != "$id_created" ]
+	then
+		return 0
+	else
+		_err "Error creating DNS record $fulldomain"
+		return 1
+	fi
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_doctl_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  _info "Using dns_doctl"
+  _debug fulldomain "$fulldomain"
+  _debug txtvalue "$txtvalue"
+
+	# get list of domains authorized
+	domains_avail=$( doctl compute domain list --no-header --format Domain | tr "$IFS" " " )
+	_debug domains_avail "$domains_avail"
+	if [ -z "$domains_avail" ]
+	then
+		_err "No domains in DigitalOcean DNS"
+		return 1
+	fi
+
+	for d in $domains_avail
+	do
+		_debug trying_domain "$d"
+		try_domain=${fulldomain##$d}
+		try_challenge=${fulldomain%%.$d}
+		_debug try_domain "$try_domain"
+		_debug try_challenge "$try_challenge"
+
+		if [ "$fulldomain" == "$try_challenge.$d" ]
+		then
+			_debug matches "$d"
+			domain="$d"
+			challenge="$try_challenge"
+		else
+			_debug no_match "$d"
+		fi
+	done
+
+	if [ -z "$domain" ]
+	then
+		_err "Unable to locate domain of $fulldomain in DigitalOcean DNS"
+		return 1
+	fi
+
+	record_name="$challenge"
+	_debug domain "$domain"
+	_debug record_name "$record_name"
+    _debug txtvalue "$txtvalue"
+
+  	record_ids=$( doctl compute domain records list $domain --no-header --format=ID,Name,Data | grep $record_name | grep $txtvalue | awk '{print $1}' | tr "$IFS" " " )
+	_debug record_ids "$record_ids"
+	# could be more than one; delete all matching records
+	if [ -z "$record_ids" ]
+	then
+		_err "Error: Unable to locate any DNS record matching $record_name with TXT $txtvalue -- you will need to delete record\(s\) manually"
+		#
+	else
+	  	for r in $record_ids
+  		do
+			_info "Deleting record $r from domain $domain"
+			doctl compute domain records delete $domain $r
+  		done
+	fi
+
+}
+
+####################  Private functions below ##################################