Self-hosted licensing for software creators.

import { Verifier, PublicKey } from '@keysat/licensing-client'

const verifier = new Verifier(
  PublicKey.fromPem(ISSUER_PEM)
)

const ok = verifier.verify(licenseKeyFromUser)
console.log('licensed:', ok.productId, ok.expires)

// Cargo.toml
// licensing-client = "0.1"

use licensing_client::{Verifier, PublicKeyPem};

let pk = PublicKeyPem::from_str(ISSUER_PEM)?;
let verifier = Verifier::new(pk);
let ok = verifier.verify(&license_key)?;
println!("licensed: {}", ok.product_id);

from keysat_licensing_client import Verifier, PublicKey

verifier = Verifier(PublicKey.from_pem(ISSUER_PEM))
ok = verifier.verify(license_key_from_user)

print("licensed for", ok.product_id)

import keysat "github.com/keysat-xyz/licensing-client-go"

payload, err := keysat.ParseAndVerify(licenseKey, ISSUER_PEM)
if err != nil { log.Fatal(err) }
fmt.Printf("licensed for %s, expires %s\n",
  payload.ProductSlug, payload.ExpiresAt)