Examples with AuthenticationExtensionClientOutput com.webauthn4j.data.extension.client.AuthenticationExtensionClientOutput used on opensource projects

Example 11 with AuthenticationExtensionClientOutput

use of com.webauthn4j.data.extension.client.AuthenticationExtensionClientOutput in project webauthn4j by webauthn4j.

the class FIDOU2FAuthenticatorAuthenticationValidationTest method validate_assertion_with_bad_signature_test.

@Test
void validate_assertion_with_bad_signature_test() {
    String rpId = "example.com";
    long timeout = 0;
    Challenge challenge = new DefaultChallenge();
    // create
    AttestationObject attestationObject = createAttestationObject(rpId, challenge);
    byte[] credentialId = attestationObject.getAuthenticatorData().getAttestedCredentialData().getCredentialId();
    // get
    PublicKeyCredentialRequestOptions credentialRequestOptions = new PublicKeyCredentialRequestOptions(challenge, timeout, rpId, Collections.singletonList(new PublicKeyCredentialDescriptor(PublicKeyCredentialType.PUBLIC_KEY, attestationObject.getAuthenticatorData().getAttestedCredentialData().getCredentialId(), CollectionUtil.unmodifiableSet(AuthenticatorTransport.USB, AuthenticatorTransport.NFC, AuthenticatorTransport.BLE))), UserVerificationRequirement.DISCOURAGED, null);
    PublicKeyCredential<AuthenticatorAssertionResponse, AuthenticationExtensionClientOutput> credential = clientPlatform.get(credentialRequestOptions);
    AuthenticatorAssertionResponse authenticatorAssertionResponse = credential.getAuthenticatorResponse();
    ServerProperty serverProperty = new ServerProperty(origin, rpId, challenge, null);
    Authenticator authenticator = TestDataUtil.createAuthenticator(attestationObject);
    AuthenticationRequest authenticationRequest = new AuthenticationRequest(credential.getRawId(), authenticatorAssertionResponse.getAuthenticatorData(), authenticatorAssertionResponse.getClientDataJSON(), // bad signature
    new byte[32]);
    AuthenticationParameters authenticationParameters = new AuthenticationParameters(serverProperty, authenticator, Collections.singletonList(credentialId), false, true);
    assertThrows(BadSignatureException.class, () -> target.validate(authenticationRequest, authenticationParameters));
}

Example 12 with AuthenticationExtensionClientOutput

use of com.webauthn4j.data.extension.client.AuthenticationExtensionClientOutput in project webauthn4j by webauthn4j.

the class FIDOU2FAuthenticatorAuthenticationValidationTest method validate_assertion_with_bad_rpId_test.

@Test
void validate_assertion_with_bad_rpId_test() {
    String rpId = "example.com";
    String badRpId = "bad.rpId.example.net";
    long timeout = 0;
    Challenge challenge = new DefaultChallenge();
    // create
    AttestationObject attestationObject = createAttestationObject(rpId, challenge);
    byte[] credentialId = attestationObject.getAuthenticatorData().getAttestedCredentialData().getCredentialId();
    // get
    PublicKeyCredentialRequestOptions credentialRequestOptions = new PublicKeyCredentialRequestOptions(challenge, timeout, badRpId, Collections.singletonList(new PublicKeyCredentialDescriptor(PublicKeyCredentialType.PUBLIC_KEY, attestationObject.getAuthenticatorData().getAttestedCredentialData().getCredentialId(), CollectionUtil.unmodifiableSet(AuthenticatorTransport.USB, AuthenticatorTransport.NFC, AuthenticatorTransport.BLE))), UserVerificationRequirement.DISCOURAGED, null);
    PublicKeyCredential<AuthenticatorAssertionResponse, AuthenticationExtensionClientOutput> credential = clientPlatform.get(credentialRequestOptions);
    AuthenticatorAssertionResponse authenticatorAssertionResponse = credential.getAuthenticatorResponse();
    ServerProperty serverProperty = new ServerProperty(origin, rpId, challenge, null);
    Authenticator authenticator = TestDataUtil.createAuthenticator(attestationObject);
    AuthenticationRequest authenticationRequest = new AuthenticationRequest(credential.getRawId(), authenticatorAssertionResponse.getAuthenticatorData(), authenticatorAssertionResponse.getClientDataJSON(), authenticatorAssertionResponse.getSignature());
    AuthenticationParameters authenticationParameters = new AuthenticationParameters(serverProperty, authenticator, Collections.singletonList(credentialId), false);
    assertThrows(BadRpIdException.class, () -> target.validate(authenticationRequest, authenticationParameters));
}

Example 13 with AuthenticationExtensionClientOutput

use of com.webauthn4j.data.extension.client.AuthenticationExtensionClientOutput in project webauthn4j by webauthn4j.

the class AuthenticationDataValidator method validate.

// as null check is done by BeanAssertUtil#validate
@SuppressWarnings("ConstantConditions")
public void validate(@NonNull AuthenticationData authenticationData, @NonNull AuthenticationParameters authenticationParameters) {
    BeanAssertUtil.validate(authenticationData);
    AssertUtil.notNull(authenticationParameters, "authenticationParameters must not be null");
    // spec| Step1
    // spec| Let options be a new PublicKeyCredentialRequestOptions structure configured to the Relying Party's needs for the ceremony.
    // (This step is done on client slide and out of WebAuthn4J responsibility.)
    // spec| Step2
    // spec| Call navigator.credentials.get() and pass options as the publicKey option. Let credential be the result of the successfully resolved promise.
    // spec| If the promise is rejected, abort the ceremony with a user-visible error, or otherwise guide the user experience as might be determinable
    // spec| from the context available in the rejected promise. For information on different error contexts and the circumstances leading to them,
    // spec| see § 6.3.3 The authenticatorGetAssertion Operation.
    // (This step is done on client slide and out of WebAuthn4J responsibility.)
    // spec| Step3
    // spec| Let response be credential.response. If response is not an instance of AuthenticatorAssertionResponse, abort the ceremony with a user-visible error.
    // (This step is done on client slide and out of WebAuthn4J responsibility.)
    // spec| Step4
    // spec| Let clientExtensionResults be the result of calling credential.getClientExtensionResults().
    AuthenticationExtensionsClientOutputs<AuthenticationExtensionClientOutput> clientExtensions = authenticationData.getClientExtensions();
    // spec| Step5
    // spec| If options.allowCredentials is not empty, verify that credential.id identifies one of the public key credentials listed in options.allowCredentials.
    byte[] credentialId = authenticationData.getCredentialId();
    List<byte[]> allowCredentials = authenticationParameters.getAllowCredentials();
    validateCredentialId(credentialId, allowCredentials);
    // spec| Step6
    // spec| Identify the user being authenticated and verify that this user is the owner of the public key credential source credentialSource identified by credential.id:
    // spec| - If the user was identified before the authentication ceremony was initiated,
    // spec|   verify that the identified user is the owner of credentialSource. If credential.response.userHandle is present,
    // spec|   let userHandle be its value. Verify that userHandle also maps to the same user.
    // spec| - If the user was not identified before the authentication ceremony was initiated,
    // spec|   verify that response.userHandle is present, and that the user identified by this value is the owner of credentialSource.
    // (This step is out of WebAuthn4J scope. It's caller's responsibility.)
    // spec| Step7
    // spec| Using credential’s id attribute (or the corresponding rawId, if base64url encoding is inappropriate for your use case),
    // spec| look up the corresponding credential public key and let credentialPublicKey be that credential public key.
    // (This step is out of WebAuthn4J scope. It's caller's responsibility.)
    // spec| Step8
    // spec| Let cData, aData and sig denote the value of credential’s response's clientDataJSON, authenticatorData,
    // spec| and signature respectively.
    byte[] cData = authenticationData.getCollectedClientDataBytes();
    byte[] aData = authenticationData.getAuthenticatorDataBytes();
    // spec| Step9
    // spec| Let JSONtext be the result of running UTF-8 decode on the value of cData.
    // (This step is done on caller.)
    // spec| Step10
    // spec| Let C, the client data claimed as used for the signature, be the result of running an implementation-specific JSON parser on JSONtext.
    // (In the spec, claimed as "C", but use "collectedClientData" here)
    CollectedClientData collectedClientData = authenticationData.getCollectedClientData();
    AuthenticatorData<AuthenticationExtensionAuthenticatorOutput> authenticatorData = authenticationData.getAuthenticatorData();
    ServerProperty serverProperty = authenticationParameters.getServerProperty();
    BeanAssertUtil.validate(collectedClientData);
    BeanAssertUtil.validate(authenticatorData);
    validateAuthenticatorData(authenticatorData);
    Authenticator authenticator = authenticationParameters.getAuthenticator();
    AuthenticationObject authenticationObject = new AuthenticationObject(credentialId, authenticatorData, aData, collectedClientData, cData, clientExtensions, serverProperty, authenticator);
    // spec| Verify that the value of C.type is the string webauthn.get.
    if (!Objects.equals(collectedClientData.getType(), ClientDataType.WEBAUTHN_GET)) {
        throw new InconsistentClientDataTypeException("ClientData.type must be 'get' on authentication, but it isn't.");
    }
    // spec| Step12
    // spec| Verify that the value of C.challenge matches the challenge that was sent to the authenticator in
    // spec| the PublicKeyCredentialRequestOptions passed to the get() call.
    challengeValidator.validate(collectedClientData, serverProperty);
    // spec| Step13
    // spec| Verify that the value of C.origin matches the Relying Party's origin.
    originValidator.validate(authenticationObject);
    // Verify cross origin, which is not defined in the spec
    validateClientDataCrossOrigin(collectedClientData);
    // spec| Step14
    // spec| Verify that the value of C.tokenBinding.status matches the state of Token Binding for the TLS connection over
    // spec| which the attestation was obtained. If Token Binding was used on that TLS connection,
    // spec| also verify that C.tokenBinding.id matches the base64url encoding of the Token Binding ID for the connection.
    tokenBindingValidator.validate(collectedClientData.getTokenBinding(), serverProperty.getTokenBindingId());
    // spec| Step15
    // spec| Verify that the rpIdHash in authData is the SHA-256 hash of the RP ID expected by the Relying Party.
    rpIdHashValidator.validate(authenticatorData.getRpIdHash(), serverProperty);
    // spec| Verify that the User Present bit of the flags in authData is set.
    if (authenticationParameters.isUserPresenceRequired() && !authenticatorData.isFlagUP()) {
        throw new UserNotPresentException("Validator is configured to check user present, but UP flag in authenticatorData is not set.");
    }
    // spec| If user verification is required for this assertion, verify that the User Verified bit of the flags in authData is set.
    if (authenticationParameters.isUserVerificationRequired() && !authenticatorData.isFlagUV()) {
        throw new UserNotVerifiedException("Validator is configured to check user verified, but UV flag in authenticatorData is not set.");
    }
    // spec| Step18
    // spec| Verify that the values of the client extension outputs in clientExtensionResults and the authenticator
    // spec| extension outputs in the extensions in authData are as expected, considering the client extension input
    // spec| values that were given as the extensions option in the get() call. In particular, any extension identifier
    // spec| values in the clientExtensionResults and the extensions in authData MUST be also be present as extension
    // spec| identifier values in the extensions member of options, i.e., no extensions are present that were not requested.
    // spec| In the general case, the meaning of "are as expected" is specific to the Relying Party and which extensions are in use.
    AuthenticationExtensionsAuthenticatorOutputs<AuthenticationExtensionAuthenticatorOutput> authenticationExtensionsAuthenticatorOutputs = authenticatorData.getExtensions();
    clientExtensionValidator.validate(clientExtensions);
    authenticatorExtensionValidator.validate(authenticationExtensionsAuthenticatorOutputs);
    // spec| Step19
    // spec| Let hash be the result of computing a hash over the cData using SHA-256.
    // spec| Step20
    // spec| Using the credential public key, validate that sig is a valid signature over
    // spec| the binary concatenation of the authenticatorData and the hash of the collectedClientData.
    assertionSignatureValidator.validate(authenticationData, authenticator.getAttestedCredentialData().getCOSEKey());
    // spec| Step21
    // spec| Let storedSignCount be the stored signature counter value associated with credential.id.
    // spec| If authData.signCount is nonzero or storedSignCount is nonzero, then run the following sub-step:
    long presentedSignCount = authenticatorData.getSignCount();
    long storedSignCount = authenticator.getCounter();
    if (presentedSignCount > 0 || storedSignCount > 0) {
        // spec| greater than storedSignCount:
        if (presentedSignCount > storedSignCount) {
            // spec| Update storedSignCount to be the value of authData.signCount.
            // (caller need to update the signature counter value based on the value set in the Authenticator instance)
            authenticator.setCounter(presentedSignCount);
        } else // spec| less than or equal to storedSignCount:
        // spec| This is a signal that the authenticator may be cloned, i.e. at least two copies of the credential private key may exist and are being used in parallel.
        // spec| Relying Parties should incorporate this information into their risk scoring.
        // spec| Whether the Relying Party updates storedSignCount in this case, or not, or fails the authentication ceremony or not, is Relying Party-specific.
        {
            maliciousCounterValueHandler.maliciousCounterValueDetected(authenticationObject);
        }
    }
    for (CustomAuthenticationValidator customAuthenticationValidator : customAuthenticationValidators) {
        customAuthenticationValidator.validate(authenticationObject);
    }
// spec| Step18
// spec| If all the above steps are successful, continue with the authentication ceremony as appropriate. Otherwise, fail the authentication ceremony.
}

Example 14 with AuthenticationExtensionClientOutput

use of com.webauthn4j.data.extension.client.AuthenticationExtensionClientOutput in project webauthn4j by webauthn4j.

the class UserVerifyingAuthenticatorAuthenticationValidationTest method validate_assertion_with_bad_origin_test.

@Test
void validate_assertion_with_bad_origin_test() {
    String rpId = "example.com";
    long timeout = 0;
    Challenge challenge = new DefaultChallenge();
    // create
    AttestationObject attestationObject = createAttestationObject(rpId, challenge);
    // get
    PublicKeyCredentialRequestOptions credentialRequestOptions = new PublicKeyCredentialRequestOptions(challenge, timeout, rpId, null, UserVerificationRequirement.REQUIRED, null);
    // bad origin
    clientPlatform.setOrigin(new Origin("https://bad.origin.example.com"));
    PublicKeyCredential<AuthenticatorAssertionResponse, AuthenticationExtensionClientOutput> credential = clientPlatform.get(credentialRequestOptions);
    AuthenticatorAssertionResponse authenticationRequest = credential.getAuthenticatorResponse();
    ServerProperty serverProperty = new ServerProperty(origin, rpId, challenge, null);
    Authenticator authenticator = TestDataUtil.createAuthenticator(attestationObject);
    AuthenticationRequest webAuthnAuthenticationRequest = new AuthenticationRequest(credential.getRawId(), authenticationRequest.getAuthenticatorData(), authenticationRequest.getClientDataJSON(), authenticationRequest.getSignature());
    List<byte[]> allowCredentials = null;
    AuthenticationParameters authenticationParameters = new AuthenticationParameters(serverProperty, authenticator, allowCredentials, true);
    AuthenticationData authenticationData = target.parse(webAuthnAuthenticationRequest);
    assertThrows(BadOriginException.class, () -> target.validate(authenticationData, authenticationParameters));
}

Example 15 with AuthenticationExtensionClientOutput

use of com.webauthn4j.data.extension.client.AuthenticationExtensionClientOutput in project webauthn4j by webauthn4j.

the class UserVerifyingAuthenticatorAuthenticationValidationTest method validate_test.

@Test
void validate_test() {
    String rpId = "example.com";
    long timeout = 0;
    Challenge challenge = new DefaultChallenge();
    // create
    AttestationObject attestationObject = createAttestationObject(rpId, challenge);
    // get
    PublicKeyCredentialRequestOptions credentialRequestOptions = new PublicKeyCredentialRequestOptions(challenge, timeout, rpId, null, UserVerificationRequirement.REQUIRED, null);
    PublicKeyCredential<AuthenticatorAssertionResponse, AuthenticationExtensionClientOutput> credential = clientPlatform.get(credentialRequestOptions);
    AuthenticatorAssertionResponse authenticationRequest = credential.getAuthenticatorResponse();
    AuthenticationExtensionsClientOutputs<AuthenticationExtensionClientOutput> clientExtensionResults = credential.getClientExtensionResults();
    String clientExtensionJSON = authenticationExtensionsClientOutputsConverter.convertToString(clientExtensionResults);
    ServerProperty serverProperty = new ServerProperty(origin, rpId, challenge, null);
    Authenticator authenticator = TestDataUtil.createAuthenticator(attestationObject);
    AuthenticationRequest webAuthnAuthenticationRequest = new AuthenticationRequest(credential.getRawId(), authenticationRequest.getAuthenticatorData(), authenticationRequest.getClientDataJSON(), clientExtensionJSON, authenticationRequest.getSignature());
    List<byte[]> allowCredentials = null;
    AuthenticationParameters authenticationParameters = new AuthenticationParameters(serverProperty, authenticator, allowCredentials, true);
    AuthenticationData authenticationData = target.parse(webAuthnAuthenticationRequest);
    target.validate(authenticationData, authenticationParameters);
    assertAll(() -> assertThat(authenticationData.getCollectedClientData()).isNotNull(), () -> assertThat(authenticationData.getAuthenticatorData()).isNotNull(), () -> assertThat(authenticationData.getClientExtensions()).isNotNull());
}