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[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
This commit is contained in:
Michael Braunoeder
neil
parent
8ef5daa807
commit
72d800ed10
224
dnsapi/dns_rcode0.sh
Executable file
224
dnsapi/dns_rcode0.sh
Executable file
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#!/usr/bin/env sh
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#Rcode0 API Integration
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#https://my.rcodezero.at/api-doc
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#
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# log into https://my.rcodezero.at/enableapi and get your ACME API Token (the ACME API token has limited
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# access to the REST calls needed for acme.sh only)
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#
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#RCODE0_URL="https://my.rcodezero.at"
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#RCODE0_API_TOKEN="0123456789ABCDEF"
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#RCODE0_TTL=60
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DEFAULT_RCODE0_URL="https://my.rcodezero.at"
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DEFAULT_RCODE0_TTL=60
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######## Public functions #####################
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#Usage: add _acme-challenge.www.domain.com "123456789ABCDEF0000000000000000000000000000000000000"
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#fulldomain
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#txtvalue
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dns_rcode0_add() {
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fulldomain=$1
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txtvalue=$2
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RCODE0_API_TOKEN="${RCODE0_API_TOKEN:-$(_readaccountconf_mutable RCODE0_API_TOKEN)}"
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RCODE0_URL="${RCODE0_URL:-$(_readaccountconf_mutable RCODE0_URL)}"
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RCODE0_TTL="${RCODE0_TTL:-$(_readaccountconf_mutable RCODE0_TTL)}"
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if [ -z "$RCODE0_URL" ]; then
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RCODE0_URL="$DEFAULT_RCODE0_URL"
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fi
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if [ -z "$RCODE0_API_TOKEN" ]; then
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RCODE0_API_TOKEN=""
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_err "Missing Rcode0 ACME API Token."
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_err "Please login and create your token at httsp://my.rcodezero.at/enableapi and try again."
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return 1
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fi
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if [ -z "$RCODE0_TTL" ]; then
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RCODE0_TTL="$DEFAULT_RCODE0_TTL"
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fi
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#save the token to the account conf file.
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_saveaccountconf_mutable RCODE0_API_TOKEN "$RCODE0_API_TOKEN"
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if [ "$RCODE0_URL" != "$DEFAULT_RCODE0_URL" ]; then
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_saveaccountconf_mutable RCODE0_URL "$RCODE0_URL"
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fi
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if [ "$RCODE0_TTL" != "$DEFAULT_RCODE0_TTL" ]; then
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_saveaccountconf_mutable RCODE0_TTL "$RCODE0_TTL"
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fi
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_debug "Detect root zone"
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if ! _get_root "$fulldomain"; then
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_err "No 'MASTER' zone for $fulldomain found at RcodeZero Anycast."
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return 1
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fi
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_debug _domain "$_domain"
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_debug "Adding record"
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_record_string=""
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_build_record_string "$txtvalue"
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_list_existingchallenges
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for oldchallenge in $_existing_challenges; do
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_build_record_string "$oldchallenge"
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done
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_debug "Challenges: $_existing_challenges"
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if [ -z "$_existing_challenges" ]; then
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if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"add\", \"name\": \"$fulldomain.\", \"type\": \"TXT\", \"ttl\": $RCODE0_TTL, \"records\": [$_record_string]}]"; then
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_err "Add txt record error."
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return 1
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fi
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else
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# try update in case a records exists (need for wildcard certs)
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if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"update\", \"name\": \"$fulldomain.\", \"type\": \"TXT\", \"ttl\": $RCODE0_TTL, \"records\": [$_record_string]}]"; then
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_err "Set txt record error."
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return 1
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fi
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fi
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return 0
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}
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#fulldomain txtvalue
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dns_rcode0_rm() {
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fulldomain=$1
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txtvalue=$2
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RCODE0_API_TOKEN="${RCODE0_API_TOKEN:-$(_readaccountconf_mutable RCODE0_API_TOKEN)}"
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RCODE0_URL="${RCODE0_URL:-$(_readaccountconf_mutable RCODE0_URL)}"
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RCODE0_TTL="${RCODE0_TTL:-$(_readaccountconf_mutable RCODE0_TTL)}"
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if [ -z "$RCODE0_URL" ]; then
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RCODE0_URL="$DEFAULT_RCODE0_URL"
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fi
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if [ -z "$RCODE0_API_TOKEN" ]; then
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RCODE0_API_TOKEN=""
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_err "Missing Rcode0 API Token."
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_err "Please login and create your token at httsp://my.rcodezero.at/enableapi and try again."
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return 1
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fi
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#save the api addr and key to the account conf file.
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_saveaccountconf_mutable RCODE0_URL "$RCODE0_URL"
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_saveaccountconf_mutable RCODE0_API_TOKEN "$RCODE0_API_TOKEN"
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if [ "$RCODE0_TTL" != "$DEFAULT_RCODE0_TTL" ]; then
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_saveaccountconf_mutable RCODE0_TTL "$RCODE0_TTL"
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fi
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if [ -z "$RCODE0_TTL" ]; then
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RCODE0_TTL="$DEFAULT_RCODE0_TTL"
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fi
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_debug "Detect root zone"
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if ! _get_root "$fulldomain"; then
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_err "invalid domain"
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return 1
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fi
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_debug "Remove record"
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#Enumerate existing acme challenges
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_list_existingchallenges
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if _contains "$_existing_challenges" "$txtvalue"; then
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#Delete all challenges (PowerDNS API does not allow to delete content)
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if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"delete\", \"name\": \"$fulldomain.\", \"type\": \"TXT\"}]"; then
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_err "Delete txt record error."
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return 1
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fi
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_record_string=""
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#If the only existing challenge was the challenge to delete: nothing to do
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if ! [ "$_existing_challenges" = "$txtvalue" ]; then
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for oldchallenge in $_existing_challenges; do
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#Build up the challenges to re-add, ommitting the one what should be deleted
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if ! [ "$oldchallenge" = "$txtvalue" ]; then
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_build_record_string "$oldchallenge"
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fi
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done
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#Recreate the existing challenges
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if ! _rcode0_rest "PATCH" "/api/v1/acme/zones/$_domain/rrsets" "[{\"changetype\": \"update\", \"name\": \"$fulldomain.\", \"type\": \"TXT\", \"ttl\": $RCODE0_TTL, \"records\": [$_record_string]}]"; then
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_err "Set txt record error."
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return 1
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fi
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fi
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else
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_info "Record not found, nothing to remove"
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fi
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return 0
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}
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#################### Private functions below ##################################
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#_acme-challenge.www.domain.com
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#returns
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# _domain=domain.com
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_get_root() {
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domain=$1
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i=1
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while true; do
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h=$(printf "%s" "$domain" | cut -d . -f $i-100)
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_debug "try to find: $h"
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if _rcode0_rest "GET" "/api/v1/acme/zones/$h"; then
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if [ "$response" = "[\"found\"]" ]; then
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_domain="$h"
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if [ -z "$h" ]; then
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_domain="=2E"
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fi
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return 0
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elif [ "$response" = "[\"not a master domain\"]" ]; then
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return 1
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fi
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fi
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if [ -z "$h" ]; then
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return 1
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fi
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i=$(_math $i + 1)
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done
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_debug "no matching domain for $domain found"
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return 1
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}
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_rcode0_rest() {
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method=$1
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ep=$2
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data=$3
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export _H1="Authorization: Bearer $RCODE0_API_TOKEN"
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if [ ! "$method" = "GET" ]; then
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_debug data "$data"
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response="$(_post "$data" "$RCODE0_URL$ep" "" "$method")"
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else
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response="$(_get "$RCODE0_URL$ep")"
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fi
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if [ "$?" != "0" ]; then
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_err "error $ep"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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_build_record_string() {
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_record_string="${_record_string:+${_record_string}, }{\"content\": \"\\\"${1}\\\"\", \"disabled\": false}"
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}
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_list_existingchallenges() {
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_rcode0_rest "GET" "/api/v1/acme/zones/$_domain/rrsets"
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_existing_challenges=$(echo "$response" | _normalizeJson | _egrep_o "\"name\":\"${fulldomain}[^]]*}" | _egrep_o 'content\":\"\\"[^\\]*' | sed -n 's/^content":"\\"//p')
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_debug2 "$_existing_challenges"
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}
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