diff --git a/dnsapi/dns_bunny.sh b/dnsapi/dns_bunny.sh new file mode 100644 index 00000000..d2aba440 --- /dev/null +++ b/dnsapi/dns_bunny.sh @@ -0,0 +1,250 @@ +#!/bin/bash + +## Will be called by acme.sh to add the TXT record to via the Bunny DNS API. +## returns 0 means success, otherwise error. + +## Author: nosilver4u +## GitHub: https://github.com/nosilver4u/acme.sh + +## +## Environment Variables Required: +## +## BUNNY_API_KEY="75310dc4-ca77-9ac3-9a19-f6355db573b49ce92ae1-2655-3ebd-61ac-3a3ae34834cc" +## + +##################### Public functions ##################### + +## Create the text record for validation. +## Usage: fulldomain txtvalue +## EG: "_acme-challenge.www.other.domain.com" "XKrxpRBosdq0HG9i01zxXp5CPBs" +dns_bunny_add() { + fulldomain="$(echo "$1" | _lower_case)" + txtvalue=$2 + + BUNNY_API_KEY="${BUNNY_API_KEY:-$(_readaccountconf_mutable BUNNY_API_KEY)}" + # Check if API Key is set + if [ -z "$BUNNY_API_KEY" ]; then + BUNNY_API_KEY="" + _err "You did not specify Bunny.net API key." + _err "Please export BUNNY_API_KEY and try again." + return 1 + fi + + _info "Using Bunny.net dns validation - add record" + _debug fulldomain "$fulldomain" + _debug txtvalue "$txtvalue" + + ## save the env vars (key and domain split location) for later automated use + _saveaccountconf_mutable BUNNY_API_KEY "$BUNNY_API_KEY" + + ## split the domain for Bunny API + if ! _get_base_domain "$fulldomain"; then + _err "domain not found in your account for addition" + return 1 + fi + _debug _sub_domain "$_sub_domain" + _debug _domain "$_domain" + _debug _domain_id "$_domain_id" + + ## Set the header with our post type and auth key + export _H1="Accept: application/json" + export _H2="AccessKey: $BUNNY_API_KEY" + export _H3="Content-Type: application/json" + PURL="https://api.bunny.net/dnszone/$_domain_id/records" + PBODY='{"Id":'$_domain_id',"Type":3,"Name":"'$_sub_domain'","Value":"'$txtvalue'","ttl":120}' + + _debug PURL "$PURL" + _debug PBODY "$PBODY" + + ## the create request - POST + ## args: BODY, URL, [need64, httpmethod] + response="$(_post "$PBODY" "$PURL" "" "PUT")" + + ## check response + if [ "$?" != "0" ]; then + _err "error in response: $response" + return 1 + fi + _debug2 response "$response" + + ## finished correctly + return 0 +} + +## Remove the txt record after validation. +## Usage: fulldomain txtvalue +## EG: "_acme-challenge.www.other.domain.com" "XKrxpRBosdq0HG9i01zxXp5CPBs" +dns_bunny_rm() { + fulldomain="$(echo "$1" | _lower_case)" + txtvalue=$2 + + BUNNY_API_KEY="${BUNNY_API_KEY:-$(_readaccountconf_mutable BUNNY_API_KEY)}" + # Check if API Key Exists + if [ -z "$BUNNY_API_KEY" ]; then + BUNNY_API_KEY="" + _err "You did not specify Bunny.net API key." + _err "Please export BUNNY_API_KEY and try again." + return 1 + fi + + _info "Using Bunny.net dns validation - remove record" + _debug fulldomain "$fulldomain" + _debug txtvalue "$txtvalue" + + ## split the domain for Bunny API + if ! _get_base_domain "$fulldomain"; then + _err "Domain not found in your account for TXT record removal" + return 1 + fi + _debug _sub_domain "$_sub_domain" + _debug _domain "$_domain" + _debug _domain_id "$_domain_id" + + ## Set the header with our post type and key auth key + export _H1="Accept: application/json" + export _H2="AccessKey: $BUNNY_API_KEY" + ## get URL for the list of DNS records + GURL="https://api.bunny.net/dnszone/$_domain_id" + + ## 1) Get the domain/zone records + ## the fetch request - GET + ## args: URL, [onlyheader, timeout] + domain_list="$(_get "$GURL")" + + ## check response + if [ "$?" != "0" ]; then + _err "error in domain_list response: $domain_list" + return 1 + fi + _debug2 domain_list "$domain_list" + + ## 2) search through records + ## check for what we are looking for: "Type":3,"Value":"$txtvalue","Name":"$_sub_domain" + record="$(echo "$domain_list" | _egrep_o "\"Id\"\s*\:\s*\"*[0-9]+\"*,\s*\"Type\"[^}]*\"Value\"\s*\:\s*\"$txtvalue\"[^}]*\"Name\"\s*\:\s*\"$_sub_domain\"")" + + if [ -n "$record" ]; then + + ## We found records + rec_ids="$(echo "$record" | _egrep_o "Id\"\s*\:\s*\"*[0-9]+" | _egrep_o "[0-9]+")" + _debug rec_ids "$rec_ids" + if [ -n "$rec_ids" ]; then + echo "$rec_ids" | while IFS= read -r rec_id; do + ## delete the record + ## delete URL for removing the one we dont want + DURL="https://api.bunny.net/dnszone/$_domain_id/records/$rec_id" + + ## the removal request - DELETE + ## args: BODY, URL, [need64, httpmethod] + response="$(_post "" "$DURL" "" "DELETE")" + + ## check response (sort of) + if [ "$?" != "0" ]; then + _err "error in remove response: $response" + return 1 + fi + _debug2 response "$response" + + done + fi + fi + + ## finished correctly + return 0 +} + +##################### Private functions below ##################### + +## Split the domain provided into the "base domain" and the "start prefix". +## This function searches for the longest subdomain in your account +## for the full domain given and splits it into the base domain (zone) +## and the prefix/record to be added/removed +## USAGE: fulldomain +## EG: "_acme-challenge.two.three.four.domain.com" +## returns +## _sub_domain="_acme-challenge.two" +## _domain="three.four.domain.com" *IF* zone "three.four.domain.com" exists +## _domain_id=234 +## if only "domain.com" exists it will return +## _sub_domain="_acme-challenge.two.three.four" +## _domain="domain.com" +## _domain_id=234 +_get_base_domain() { + # args + fulldomain="$(echo "$1" | _lower_case)" + _debug fulldomain "$fulldomain" + + # domain max legal length = 253 + MAX_DOM=255 + page=1 + + ## get a list of domains for the account to check thru + ## Set the headers + export _H1="Accept: application/json" + export _H2="AccessKey: $BUNNY_API_KEY" + _debug BUNNY_API_KEY "$BUNNY_API_KEY" + ## get URL for the list of domains + ## may get: "links":{"pages":{"last":".../v2/domains/DOM/records?page=2","next":".../v2/domains/DOM/records?page=2"}} + DOMURL="https://api.bunny.net/dnszone" + + ## while we dont have a matching domain we keep going + while [ -z "$found" ]; do + ## get the domain list (current page) + domain_list="$(_get "$DOMURL")" + + ## check response + if [ "$?" != "0" ]; then + _err "error in domain_list response: $domain_list" + return 1 + fi + _debug2 domain_list "$domain_list" + + ## for each shortening of our $fulldomain, check if it exists in the $domain_list + ## can never start on 1 (aka whole $fulldomain) as $fulldomain starts with "_acme-challenge" + i=2 + while [ $i -gt 0 ]; do + ## get next longest domain + _domain=$(printf "%s" "$fulldomain" | cut -d . -f "$i"-"$MAX_DOM") + ## check we got something back from our cut (or are we at the end) + if [ -z "$_domain" ]; then + break + fi + ## we got part of a domain back - grep it out + found="$(echo "$domain_list" | _egrep_o "\"Id\"\s*:\s*\"*[0-9]+\"*,\s*\"Domain\"\s*\:\s*\"$_domain\"")" + ## check if it exists + if [ -n "$found" ]; then + ## exists - exit loop returning the parts + sub_point=$(_math $i - 1) + _sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-"$sub_point") + _domain_id="$(echo "$found" | _egrep_o "Id\"\s*\:\s*\"*[0-9]+" | _egrep_o "[0-9]+")" + _debug _domain_id "$_domain_id" + _debug _domain "$_domain" + _debug _sub_domain "$_sub_domain" + found="" + return 0 + fi + ## increment cut point $i + i=$(_math $i + 1) + done + + if [ -z "$found" ]; then + page=$(_math $page + 1) + nextpage="https://api.bunny.net/dnszone?page=$page" + ## Find the next page if we don't have a match. + hasnextpage="$(echo "$domain_list" | _egrep_o "\"HasMoreItems\"\s*:\s*true")" + if [ -z "$hasnextpage" ]; then + _err "No record and no nextpage in Bunny.net domain search." + found="" + return 1 + fi + _debug2 nextpage "$nextpage" + DOMURL="$nextpage" + fi + + done + + ## We went through the entire domain zone list and didn't find one that matched. + ## If we ever get here, something is broken in the code... + _err "Domain not found in Bunny.net account, but we should never get here!" + found="" + return 1 +}