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<!DOCTYPE html>
<meta charset=utf-8>
<head>
  <title>Tests for GetAssertion for W3C Web Authentication</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="u2futil.js"></script>
  <script type="text/javascript" src="pkijs/common.js"></script>
  <script type="text/javascript" src="pkijs/asn1.js"></script>
  <script type="text/javascript" src="pkijs/x509_schema.js"></script>
  <script type="text/javascript" src="pkijs/x509_simpl.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>

  <h1>Tests for GetAssertion for W3C Web Authentication</h1>
  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1309284">Mozilla Bug 1309284</a>

  <script class="testbody" type="text/javascript">
    "use strict";

    is(navigator.authentication, undefined, "navigator.authentication does not exist any longer");
    isnot(navigator.credentials, undefined, "Credential Management API endpoint must exist");
    isnot(navigator.credentials.create, undefined, "CredentialManagement create API endpoint must exist");
    isnot(navigator.credentials.get, undefined, "CredentialManagement get API endpoint must exist");

    let gAssertionChallenge = new Uint8Array(16);
    window.crypto.getRandomValues(gAssertionChallenge);

    let invalidCred = {type: "Magic", id: base64ToBytes("AAA=")};
    let unknownCred = {type: "public-key", id: base64ToBytes("AAA=")};
    let validCred = null;

    function requestGetAssertion(params) {
      return navigator.credentials.get(params);
    }

    function arrivingHereIsGood(aResult) {
      ok(true, "Good result! Received a: " + aResult);
    }

    function arrivingHereIsBad(aResult) {
      ok(false, "Bad result! Received a: " + aResult);
    }

    function expectNotAllowedError(aResult) {
      ok(aResult.toString().startsWith("NotAllowedError"), "Expecting a NotAllowedError, got " + aResult);
    }

    function expectInvalidStateError(aResult) {
      ok(aResult.toString().startsWith("InvalidStateError"), "Expecting a InvalidStateError, got " + aResult);
    }

    function expectTypeError(aResult) {
      ok(aResult.toString().startsWith("TypeError"), "Expecting a TypeError, got " + aResult);
    }

    function expectAbortError(aResult) {
      is(aResult.code, DOMException.ABORT_ERR, "Expecting an AbortError");
    }

    add_task(() => {
      return SpecialPowers.pushPrefEnv({"set": [
        ["security.webauth.webauthn", true],
        ["security.webauth.webauthn_enable_softtoken", true],
        ["security.webauth.webauthn_enable_usbtoken", false],
        ["security.webauth.webauthn_enable_android_fido2", false],
      ]});
    });

    // Set up a valid credential
    add_task(async () => {
      let publicKey = {
        rp: {id: document.domain, name: "none", icon: "none"},
        user: {id: new Uint8Array(), name: "none", icon: "none", displayName: "none"},
        challenge: crypto.getRandomValues(new Uint8Array(16)),
        pubKeyCredParams: [{type: "public-key", alg: cose_alg_ECDSA_w_SHA256}],
      };

      return navigator.credentials.create({publicKey})
      .then(res => validCred = {type: "public-key", id: res.rawId} );
    });

    // Test basic good call, but without giving a credential so expect failures
    // this is OK by the standard, but not supported by U2F-backed authenticators
    // like the soft token in use here.
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsBad)
        .catch(expectInvalidStateError);
    });

    // Test with a valid credential
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        allowCredentials: [validCred]
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsGood)
        .catch(arrivingHereIsBad);
    });

    // Test with an unexpected option. That won't stop anything, and we'll
    // fail with InvalidState just as if we had no valid credentials -- which
    // we don't.
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        unknownValue: "hi"
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsBad)
        .catch(expectInvalidStateError);
    });

    // Test with an unexpected option but a valid credential
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        unknownValue: "hi",
        allowCredentials: [validCred]
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsGood)
        .catch(arrivingHereIsBad);
    });

    // Test with an unexpected transport on a valid credential
    add_task(async () => {
      let cred = validCred;
      cred.transports = ["unknown", "usb"];

      let publicKey = {
        challenge: gAssertionChallenge,
        unknownValue: "hi",
        allowCredentials: [cred]
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsGood)
        .catch(arrivingHereIsBad);
    });

    // Test with an invalid credential
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        allowCredentials: [invalidCred]
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsBad)
        .catch(expectTypeError);
    });

    // Test with an unknown credential
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        allowCredentials: [unknownCred]
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsBad)
        .catch(expectInvalidStateError);
    });

    // Test with an unexpected option and an invalid credential
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        unknownValue: "hi",
        allowCredentials: [invalidCred]
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsBad)
        .catch(expectTypeError);
    });

    // Test with an empty credential list
    // This will return InvalidStateError since the softotken consents, but
    // there are no valid credentials.
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        allowCredentials: []
      };

      await requestGetAssertion({publicKey})
        .then(arrivingHereIsBad)
        .catch(expectInvalidStateError);
    });

    add_task(() => {
      // Enable USB tokens.
      return SpecialPowers.pushPrefEnv({"set": [
        ["security.webauth.webauthn", true],
        ["security.webauth.webauthn_enable_softtoken", false],
        ["security.webauth.webauthn_enable_usbtoken", true]
      ]});
    });

    // Test with an empty credential list
    add_task(async () => {
      let publicKey = {
        challenge: gAssertionChallenge,
        allowCredentials: []
      };

      let ctrl = new AbortController();
      let request = requestGetAssertion({publicKey, signal: ctrl.signal})
                         .then(arrivingHereIsBad)
                         .catch(expectAbortError);

      // Wait a tick for the statemachine to start.
      await Promise.resolve();

      // The request should time out. We'll abort it here and will fail or
      // succeed upon resolution, when the error code is checked.
      ctrl.abort();
      await request;
    });
  </script>

</body>
</html>