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| 1 | +#!/usr/bin/env bash |
| 2 | + |
| 3 | +fulldomain="${1}" |
| 4 | +token="${2}" |
| 5 | +api_url="https://api.hetzner.cloud/v1" |
| 6 | +api_key=${HETZNER_KEY:-''} |
| 7 | +zone_id=${HETZNER_ZONE_ID:-''} |
| 8 | +zone_name=${HETZNER_ZONE_NAME:-''} |
| 9 | + |
| 10 | +# Verify that required parameters are set |
| 11 | +if [[ -z "$fulldomain" ]]; then |
| 12 | + echo "DNS script requires full domain name as first parameter" |
| 13 | + exit 1 |
| 14 | +fi |
| 15 | +if [[ -z "$token" ]]; then |
| 16 | + echo "DNS script requires challenge token as second parameter" |
| 17 | + exit 1 |
| 18 | +fi |
| 19 | +if [[ -z "$HETZNER_KEY" ]]; then |
| 20 | + echo "HETZNER_KEY variable not set" |
| 21 | + exit 1 |
| 22 | +fi |
| 23 | +if [[ -z "$HETZNER_ZONE_ID" && -z "$HETZNER_ZONE_NAME" ]] ; then |
| 24 | + echo "HETZNER_ZONE_ID and HETZNER_ZONE_NAME variables not set" |
| 25 | + exit 1 |
| 26 | +fi |
| 27 | + |
| 28 | +# Get Zone ID if not set |
| 29 | +if [[ -z "$HETZNER_ZONE_ID" ]] ; then |
| 30 | + zone_id=$(curl --silent -X GET "$api_url/zones?name=$zone_name" -H 'Authorization: Bearer '"$api_key"'' | jq -r '.zones[0].id') |
| 31 | + if [[ "$zone_id" == "null" ]] ; then |
| 32 | + echo "Zone ID not found" |
| 33 | + exit 1 |
| 34 | + fi |
| 35 | +fi |
| 36 | + |
| 37 | +# Get Zone name if not set |
| 38 | +if [[ -z "$zone_name" ]] ; then |
| 39 | + zone_name=$(curl --silent -X GET "$api_url/zones/$zone_id" -H 'Authorization: Bearer '"$api_key"'' | jq -r '.zone.name') |
| 40 | + if [[ "$zone_name" == "null" ]] ; then |
| 41 | + echo "Zone name not found" |
| 42 | + exit 1 |
| 43 | + fi |
| 44 | +fi |
| 45 | + |
| 46 | +txtname="_acme-challenge.$fulldomain" |
| 47 | +txtname="${txtname%."$zone_name"}" |
| 48 | + |
| 49 | +payload=$(jq -n \ |
| 50 | + --arg token "$token" \ |
| 51 | + '{ |
| 52 | + ttl: 60, |
| 53 | + records: [ |
| 54 | + { value: ("\"" + $token + "\"") } |
| 55 | + ] |
| 56 | + }') |
| 57 | + |
| 58 | +# Create TXT record |
| 59 | +response=$(curl -s -o /dev/null -w '%{http_code}' \ |
| 60 | + -X POST "$api_url/zones/$zone_id/rrsets/$txtname/TXT/actions/add_records" \ |
| 61 | + -H "Content-Type: application/json" \ |
| 62 | + -H "Authorization: Bearer $api_key" \ |
| 63 | + -d "$payload") |
| 64 | + |
| 65 | +if [[ "$response" != "201" ]] ; then |
| 66 | + echo "Record not created" |
| 67 | + echo "Response code: $response" |
| 68 | + exit 1 |
| 69 | +fi |
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