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deno-acme

Latest version

Get certificates for your domains and or your domains their subdomains from an acme server. Supports http-01 challenges and dns-01 challenges with domains hosted with Cloudflare's DNS server. Use the CLI as a standalone acme client, or use the acme.ts library to use it in your own application.

Prerequisites for HTTP challenge

  • Port 80 needs to be available on the maschine running the acme cli or ...
  • (optional) Port 80 needs to be forwarded to the maschine running the acme cli
  • The requested domain name(s) need to point the IP address of the maschine running the acme cli

Prerequisites for Cloudflare DNS challenge

  • Domain and / or subdomain(s) with nameservers pointing to Cloudflare
  • Cloudflare API token with edit privileges for the given domain(s) / subdomain(s) DNS zone

CLI

How to get & use the CLI:

sudo deno install -A --allow-read=. --allow-write=. --allow-net --name acme --root /usr/local/ https://deno.land/x/[email protected]/cli.ts
# http challenge:
sudo acme http example.com,subdomain.example.com
# cloudflare dns challenge:
acme cloudflare example.com,subdomain.example.com

Note: For http challenges permissions to bind to port 80 are needed. Otherwise use the root user or use sudo - like in the example above.

Library

To use acme as a library in your application, add the following (minimal example with temporary & anonymous acme account creation):

import * as ACME from "https://deno.land/x/[email protected]/acme.ts"

// http challenge:
const { domainCertificates } = await ACME.getCertificatesWithHttp("example.com");
console.log(domainCertificates);

// cloudflare dns challenge:
const cloudflareToken = Deno.env.get("CLOUDFLARE_TOKEN");
const { domainCertificates } = await ACME.getCertificatesWithCloudflare(cloudflareToken, "example.com");
console.log(domainCertificates);

License

MIT