113 lines
3.3 KiB
Bash
Executable file
113 lines
3.3 KiB
Bash
Executable file
#!/bin/bash
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if [ "$EUID" -ne 0 ]; then
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echo "This script must be run as root. Try using 'sudo'."
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exit 1
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fi
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source /home/sij/.zshrc
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source /home/sij/.GLOBAL_VARS
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ddns
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# Initialize variables
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full_domain=$1
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shift # Shift the arguments to left so we can get remaining arguments as before
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caddyIP="" # Optional IP for Caddyfile
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port=""
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# Fixed IP for Cloudflare from ip.txt
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cloudflareIP=$(cat /home/sij/.services/ip.txt)
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api_key=$CF_API_KEY
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cf_domains_file=/home/sij/.services/cf_domains.json
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# Usage message
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usage() {
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echo "Usage: $0 <full-domain> [--ip <ip address>] --port <port>"
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echo "Note: <full-domain> is required and can be a subdomain or a full domain."
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exit 1
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}
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# Parse command-line arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--ip|-i)
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caddyIP="$2"
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shift 2
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;;
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--port|-p)
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port="$2"
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shift 2
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;;
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*)
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usage
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;;
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esac
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done
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# Check required parameter
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if [[ -z "$full_domain" ]] || [[ -z "$port" ]]; then
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usage
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fi
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# Extract subdomain and domain
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subdomain=$(echo "$full_domain" | awk -F"." '{print $1}')
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remaining_parts=$(echo "$full_domain" | awk -F"." '{print NF}')
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if [ "$remaining_parts" -eq 2 ]; then
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# Handle root domain (e.g., env.esq)
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domain=$full_domain
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subdomain="@" # Use "@" for root domain
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else
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# Handle subdomain (e.g., sub.env.esq)
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domain=$(echo "$full_domain" | sed "s/^$subdomain\.//")
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fi
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# Default to localhost for Caddyfile if IP is not provided via --ip
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if [[ -z "$caddyIP" ]]; then
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caddyIP="localhost"
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fi
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# Extract zone_id from JSON file
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zone_id=$(jq -r ".\"$domain\".zone_id" "$cf_domains_file")
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# Check if zone_id was successfully retrieved
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if [ "$zone_id" == "null" ] || [ -z "$zone_id" ]; then
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echo "Error: Zone ID for $domain could not be found."
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exit 1
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fi
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# API call setup for Cloudflare A record using the fixed IP from ip.txt
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endpoint="https://api.cloudflare.com/client/v4/zones/$zone_id/dns_records"
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data="{\"type\":\"A\",\"name\":\"$subdomain\",\"content\":\"$cloudflareIP\",\"ttl\":120,\"proxied\":true}"
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# Make API call
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response=$(curl -s -X POST "$endpoint" -H "Authorization: Bearer $api_key" -H "Content-Type: application/json" --data "$data")
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# Parse response
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record_id=$(echo "$response" | jq -r '.result.id')
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success=$(echo "$response" | jq -r '.success')
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error_message=$(echo "$response" | jq -r '.errors[0].message')
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error_code=$(echo "$response" | jq -r '.errors[0].code')
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# Function to update Caddyfile with correct indentation
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update_caddyfile() {
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echo "$full_domain {
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reverse_proxy $caddyIP:$port
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tls {
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dns cloudflare {env.CLOUDFLARE_API_TOKEN}
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}
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}" >> /etc/caddy/Caddyfile
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echo "Configuration appended to /etc/caddy/Caddyfile with correct formatting."
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}
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# Check for success or specific error to update Caddyfile
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if [ "$success" == "true" ]; then
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jq ".\"$domain\".subdomains[\"$full_domain\"] = \"$record_id\"" "$cf_domains_file" > temp.json && mv temp.json "$cf_domains_file"
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echo "A record created and cf_domains.json updated successfully."
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update_caddyfile
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elif [ "$error_message" == "Record already exists." ]; then
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echo "Record already exists. Updating Caddyfile anyway."
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update_caddyfile
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else
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echo "Failed to create A record. Error: $error_message (Code: $error_code)"
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fi
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echo "Restarting caddy!"
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sudo systemctl restart caddy
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