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55 lines
1.4 KiB
55 lines
1.4 KiB
#!/usr/bin/env bash
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fulldomain="${1}"
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token="${2}"
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api_url="https://api.linode.com/v4"
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api_key=${LINODE_KEY:-''}
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# Verify that required parameters are set
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if [[ -z "$fulldomain" ]]; then
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echo "DNS script requires full domain name as first parameter"
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exit 1
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fi
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if [[ -z "$token" ]]; then
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echo "DNS script requires challenge token as second parameter"
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exit 1
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fi
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if [[ -z "$LINODE_KEY" ]]; then
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echo "LINODE_KEY variable not set"
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exit 1
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fi
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# Get Domain List
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response=$(curl --silent ${api_url}/domains \
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-H "User-Agent: getssl/0.1" -H "Authorization: Bearer ${api_key}")
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# Get Domain ID for longest match
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domain_root="$fulldomain"
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domain=""
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while [[ "$domain_root" == *.* ]] ; do
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domain_id=$(echo "$response" | jq ".data[]? | select (.domain==\"$domain_root\") | .id")
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if [[ "$domain_id" != "" ]] ; then
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break
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fi
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domain_root=${domain_root#*.}
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domain=${fulldomain%.$domain_root}
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done
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if [[ "$domain_id" == "" ]]; then
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echo "Failed to fetch DomainID"
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exit 1
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fi
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txtname="_acme-challenge${domain:+.$domain}"
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# Create TXT record
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response=$(curl --silent -X POST ${api_url}/domains/${domain_id}/records \
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-H "Content-Type: application/json" -H "User-Agent: getssl/0.1" -H "Authorization: Bearer ${api_key}" \
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-d '{"type": "TXT", "name": "'${txtname}'", "target": "'$token'", "ttl_sec": 30}')
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errors=$(echo "$response" | jq ".errors[]?.reason")
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if [[ "$errors" != "" ]]; then
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echo "Something went wrong: $errors"
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exit 1
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fi
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