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#!/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"
}