| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Subscribing should provide a P-256 ECDH public key.</title> |
| <link rel="manifest" href="resources/push_manifest.json"> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../serviceworker/resources/test-helpers.js"></script> |
| </head> |
| <body> |
| <script> |
| // Serializes |buffer| to a base64-encoded string. |
| function SerializeArrayBuffer(buffer) { |
| return btoa(String.fromCharCode.apply(null, new Uint8Array(buffer))); |
| } |
| |
| // When running this test manually, grant permission when prompted. |
| // This test verifies that push subscriptions get an ECDH P-256 key |
| // that can be used on the application server to encrypt payloads. |
| async_test(function(test) { |
| var workerUrl = 'resources/empty_worker.js'; |
| var workerScope = 'resources/scope/' + location.pathname; |
| var swRegistration, encryptionKey, encryptionAuth; |
| |
| // Length of a NIST P-256 point in uncompressed form per SEC1 2.3.3. |
| var EXPECTED_KEY_LENGTH = 65; |
| |
| // Minimum length of the authentication information, in bytes. |
| var MINIMUM_AUTH_LENGTH = 12; |
| |
| // The first byte in an uncompressed P-256 point per SEC1 2.3.3. |
| var UNCOMPRESSED_POINT_FORM = 0x04; |
| |
| service_worker_unregister_and_register(test, workerUrl, workerScope) |
| .then(function(serviceWorkerRegistration) { |
| swRegistration = serviceWorkerRegistration; |
| return wait_for_state(test, swRegistration.installing, 'activated'); |
| }) |
| .then(function() { |
| if (window.testRunner) |
| testRunner.setPermission('push-messaging', 'granted', location.origin, location.origin); |
| |
| return swRegistration.pushManager.subscribe({ userVisibleOnly: true }); |
| }) |
| .then(function(pushSubscription) { |
| assert_own_property(PushSubscription.prototype, 'getKey'); |
| |
| var key = pushSubscription.getKey('p256dh'); |
| |
| assert_not_equals(key, null); |
| assert_equals(key.byteLength, EXPECTED_KEY_LENGTH); |
| |
| // The same ArrayBuffer instance should be returned on multiple calls. |
| assert_equals(key, pushSubscription.getKey('p256dh')); |
| |
| // The first byte of the key should be the uncompressed point form indicator. |
| assert_equals(new Uint8Array(key)[0], UNCOMPRESSED_POINT_FORM); |
| |
| // Verify that authentication information is available in the subscription. |
| var auth = pushSubscription.getKey('auth'); |
| |
| assert_not_equals(auth, null); |
| assert_true(auth.byteLength >= MINIMUM_AUTH_LENGTH); |
| |
| // Getting a key with an unsupported algorithm should throw an exception. |
| assert_throws_js(TypeError, () => pushSubscription.getKey('petercurve9001')); |
| |
| encryptionKey = SerializeArrayBuffer(key); |
| encryptionAuth = SerializeArrayBuffer(auth); |
| |
| return swRegistration.pushManager.getSubscription(); |
| }) |
| .then(function(pushSubscription) { |
| assert_equals(SerializeArrayBuffer(pushSubscription.getKey('p256dh')), encryptionKey); |
| assert_equals(SerializeArrayBuffer(pushSubscription.getKey('auth')), encryptionAuth); |
| |
| return service_worker_unregister_and_done(test, workerScope); |
| }) |
| .catch(unreached_rejection(test)); |
| |
| }, 'Subscribing should provide a P-256 ECDH public key'); |
| </script> |
| </body> |
| </html> |
