Hub 1.5.0 introduced the "org.cryptomator.hub.entitlements" claim which includes "seats". We still have the non-nested "seats" claim for backwards compatibility.

• hub/backend/src/main/java/org/cryptomator/hub/api/BillingResource.java

  Line 77 in 27e3798

  var licensedSeats = jwt.getClaim("seats").asInt(); // TODO eventually replace with "org.cryptomator.hub.entitlements"."seats", see https://github.com/cryptomator/hub/issues/391

• hub/backend/src/main/java/org/cryptomator/hub/license/LicenseHolder.java

  Lines 204 to 210 in 27e3798

  	var entitlements = license.getClaim("org.cryptomator.hub.entitlements").as(HubLicenseEntitlements.class);
  	// TODO: eventually "entitlements" claim will be mandatory and this fallback can be removed, see https://github.com/cryptomator/hub/issues/391
  	if (entitlements == null) { // legacy (pre 1.5.0) license without "org.cryptomator.hub.entitlements" claim:
  	return HubLicenseEntitlements.create().withSeats(license.getClaim("seats").asLong());
  	} else {
  	return entitlements;
  	}

• hub/backend/src/main/java/org/cryptomator/hub/license/LicenseValidator.java

  Line 16 in 27e3798

  private static final String[] REQUIRED_CLAIMS = {"seats"}; // TODO: eventually phase out "seats" claim in favor of "org.cryptomator.hub.entitlements"."seats", see https://github.com/cryptomator/hub/issues/391

• hub/backend/src/test/java/org/cryptomator/hub/license/LicenseValidatorTest.java

  Lines 29 to 42 in 27e3798

  	@Test
  	@DisplayName("validate valid legacy token (pre org.cryptomator.hub.entitlements)")
  	// TODO: eventually remove this test when legacy tokens are no longer supported, see https://github.com/cryptomator/hub/issues/391
  	void testValidateValidToken() {
  	var jwt = validator.validate(VALID_LEGACY_TOKEN, "42");
  	Assertions.assertEquals("ES512", jwt.getAlgorithm());
  	Assertions.assertEquals("42", jwt.getId());
  	Assertions.assertEquals("Skymatic", jwt.getIssuer());
  	Assertions.assertEquals("Cryptomator Hub", jwt.getAudience().get(0));
  	Assertions.assertEquals("hub@cryptomator.org", jwt.getSubject());
  	Assertions.assertEquals(5, jwt.getClaim("seats").asInt());
  	Assertions.assertEquals(253402214400l, jwt.getExpiresAt().getTime() / 1000);
  	Assertions.assertEquals("http://localhost:8787/hub/subscription?hub_id=42", jwt.getClaim("refreshUrl").asString());
  	}