From 72d800ed1098a77f565c14691f164be8ccab969b Mon Sep 17 00:00:00 2001 From: Michael Braunoeder Date: Sat, 5 Oct 2019 05:47:57 +0200 Subject: [PATCH] [DNSAPI] add dns_rcode0.sh - Support for https://my.rcodezero.at/api-doc (#2489) * first version dns_rcode0.sh * fixed URLs for ACME calls * fixed challenge remove * read & write Token/URL at rm too * make info messages debug * typos fixed * update rrset only if existing challenge is found * polish error messages and make "detect root zone" scaleable * fixed formating issues * code cleanup, remove some unneeded functions * removed empty lines * save rcode0 url only if not default --- dnsapi/dns_rcode0.sh | 224 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 224 insertions(+) create mode 100755 dnsapi/dns_rcode0.sh diff --git a/dnsapi/dns_rcode0.sh b/dnsapi/dns_rcode0.sh new file mode 100755 index 00000000..9ed20e68 --- /dev/null +++ b/dnsapi/dns_rcode0.sh @@ -0,0 +1,224 @@ +#!/usr/bin/env sh + +#Rcode0 API Integration +#https://my.rcodezero.at/api-doc +# +# log into https://my.rcodezero.at/enableapi and get your ACME API Token (the ACME API token has limited +# access to the REST calls needed for acme.sh only) +# +#RCODE0_URL="https://my.rcodezero.at" +#RCODE0_API_TOKEN="0123456789ABCDEF" +#RCODE0_TTL=60 + +DEFAULT_RCODE0_URL="https://my.rcodezero.at" +DEFAULT_RCODE0_TTL=60 + +######## Public functions ##################### +#Usage: add _acme-challenge.www.domain.com "123456789ABCDEF0000000000000000000000000000000000000" +#fulldomain +#txtvalue +dns_rcode0_add() { + fulldomain=$1 + txtvalue=$2 + + RCODE0_API_TOKEN="${RCODE0_API_TOKEN:-$(_readaccountconf_mutable RCODE0_API_TOKEN)}" + RCODE0_URL="${RCODE0_URL:-$(_readaccountconf_mutable RCODE0_URL)}" + RCODE0_TTL="${RCODE0_TTL:-$(_readaccountconf_mutable RCODE0_TTL)}" + + if [ -z "$RCODE0_URL" ]; then + RCODE0_URL="$DEFAULT_RCODE0_URL" + fi + + if [ -z "$RCODE0_API_TOKEN" ]; then + RCODE0_API_TOKEN="" + _err "Missing Rcode0 ACME API Token." + _err "Please login and create your token at httsp://my.rcodezero.at/enableapi and try again." + return 1 + fi + + if [ -z "$RCODE0_TTL" ]; then + RCODE0_TTL="$DEFAULT_RCODE0_TTL" + fi + + #save the token to the account conf file. + _saveaccountconf_mutable RCODE0_API_TOKEN "$RCODE0_API_TOKEN" + + if [ "$RCODE0_URL" != "$DEFAULT_RCODE0_URL" ]; then + _saveaccountconf_mutable RCODE0_URL "$RCODE0_URL" + fi + + if [ "$RCODE0_TTL" != "$DEFAULT_RCODE0_TTL" ]; then + _saveaccountconf_mutable RCODE0_TTL "$RCODE0_TTL" + fi + + _debug "Detect root zone" + if ! _get_root "$fulldomain"; then + _err "No 'MASTER' zone for $fulldomain found at RcodeZero Anycast." + return 1 + fi + _debug _domain "$_domain" + + _debug "Adding record" + + _record_string="" + _build_record_string "$txtvalue" + _list_existingchallenges + for oldchallenge in $_existing_challenges; do + _build_record_string "$oldchallenge" + done + + _debug "Challenges: $_existing_challenges" + + if [ -z "$_existing_challenges" ]; then + if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"add\", \"name\": \"$fulldomain.\", \"type\": \"TXT\", \"ttl\": $RCODE0_TTL, \"records\": [$_record_string]}]"; then + _err "Add txt record error." + return 1 + fi + else + # try update in case a records exists (need for wildcard certs) + if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"update\", \"name\": \"$fulldomain.\", \"type\": \"TXT\", \"ttl\": $RCODE0_TTL, \"records\": [$_record_string]}]"; then + _err "Set txt record error." + return 1 + fi + fi + + return 0 +} + +#fulldomain txtvalue +dns_rcode0_rm() { + fulldomain=$1 + txtvalue=$2 + + RCODE0_API_TOKEN="${RCODE0_API_TOKEN:-$(_readaccountconf_mutable RCODE0_API_TOKEN)}" + RCODE0_URL="${RCODE0_URL:-$(_readaccountconf_mutable RCODE0_URL)}" + RCODE0_TTL="${RCODE0_TTL:-$(_readaccountconf_mutable RCODE0_TTL)}" + + if [ -z "$RCODE0_URL" ]; then + RCODE0_URL="$DEFAULT_RCODE0_URL" + fi + + if [ -z "$RCODE0_API_TOKEN" ]; then + RCODE0_API_TOKEN="" + _err "Missing Rcode0 API Token." + _err "Please login and create your token at httsp://my.rcodezero.at/enableapi and try again." + return 1 + fi + + #save the api addr and key to the account conf file. + _saveaccountconf_mutable RCODE0_URL "$RCODE0_URL" + _saveaccountconf_mutable RCODE0_API_TOKEN "$RCODE0_API_TOKEN" + + if [ "$RCODE0_TTL" != "$DEFAULT_RCODE0_TTL" ]; then + _saveaccountconf_mutable RCODE0_TTL "$RCODE0_TTL" + fi + + if [ -z "$RCODE0_TTL" ]; then + RCODE0_TTL="$DEFAULT_RCODE0_TTL" + fi + + _debug "Detect root zone" + if ! _get_root "$fulldomain"; then + _err "invalid domain" + return 1 + fi + + _debug "Remove record" + + #Enumerate existing acme challenges + _list_existingchallenges + + if _contains "$_existing_challenges" "$txtvalue"; then + #Delete all challenges (PowerDNS API does not allow to delete content) + if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"delete\", \"name\": \"$fulldomain.\", \"type\": \"TXT\"}]"; then + _err "Delete txt record error." + return 1 + fi + _record_string="" + #If the only existing challenge was the challenge to delete: nothing to do + if ! [ "$_existing_challenges" = "$txtvalue" ]; then + for oldchallenge in $_existing_challenges; do + #Build up the challenges to re-add, ommitting the one what should be deleted + if ! [ "$oldchallenge" = "$txtvalue" ]; then + _build_record_string "$oldchallenge" + fi + done + #Recreate the existing challenges + if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"update\", \"name\": \"$fulldomain.\", \"type\": \"TXT\", \"ttl\": $RCODE0_TTL, \"records\": [$_record_string]}]"; then + _err "Set txt record error." + return 1 + fi + fi + else + _info "Record not found, nothing to remove" + fi + + return 0 +} + +#################### Private functions below ################################## +#_acme-challenge.www.domain.com +#returns +# _domain=domain.com +_get_root() { + domain=$1 + i=1 + + while true; do + h=$(printf "%s" "$domain" | cut -d . -f $i-100) + + _debug "try to find: $h" + if _rcode0_rest "GET" "/api/v1/acme/zones/$h"; then + if [ "$response" = "[\"found\"]" ]; then + _domain="$h" + if [ -z "$h" ]; then + _domain="=2E" + fi + return 0 + elif [ "$response" = "[\"not a master domain\"]" ]; then + return 1 + fi + fi + + if [ -z "$h" ]; then + return 1 + fi + i=$(_math $i + 1) + done + _debug "no matching domain for $domain found" + + return 1 +} + +_rcode0_rest() { + method=$1 + ep=$2 + data=$3 + + export _H1="Authorization: Bearer $RCODE0_API_TOKEN" + + if [ ! "$method" = "GET" ]; then + _debug data "$data" + response="$(_post "$data" "$RCODE0_URL$ep" "" "$method")" + else + response="$(_get "$RCODE0_URL$ep")" + fi + + if [ "$?" != "0" ]; then + _err "error $ep" + return 1 + fi + _debug2 response "$response" + + return 0 +} + +_build_record_string() { + _record_string="${_record_string:+${_record_string}, }{\"content\": \"\\\"${1}\\\"\", \"disabled\": false}" +} + +_list_existingchallenges() { + _rcode0_rest "GET" "/api/v1/acme/zones/$_domain/rrsets" + _existing_challenges=$(echo "$response" | _normalizeJson | _egrep_o "\"name\":\"${fulldomain}[^]]*}" | _egrep_o 'content\":\"\\"[^\\]*' | sed -n 's/^content":"\\"//p') + _debug2 "$_existing_challenges" +}