com.webauthn4j.data.AuthenticationRequest Java Examples

/**
 * Verifies that validation fails if ValidationException is thrown from authenticationContextValidator
 */
@Test(expected = BadChallengeException.class)
public void authenticate_with_BadChallengeException_from_authenticationContextValidator_test() {
    //Given
    byte[] credentialId = new byte[32];
    GrantedAuthority grantedAuthority = new SimpleGrantedAuthority("ROLE_ADMIN");
    WebAuthnAuthenticator authenticator = mock(WebAuthnAuthenticator.class, RETURNS_DEEP_STUBS);
    WebAuthnUserDetailsImpl user = new WebAuthnUserDetailsImpl(
            new byte[0],
            "dummy",
            "dummy",
            Collections.singletonList(authenticator),
            Collections.singletonList(grantedAuthority));
    when(authenticator.getAttestedCredentialData().getCredentialId()).thenReturn(credentialId);

    doThrow(com.webauthn4j.validator.exception.BadChallengeException.class).when(webAuthnManager).validate((AuthenticationRequest) any(), any());

    //When
    WebAuthnAuthenticationRequest credential = mock(WebAuthnAuthenticationRequest.class);
    when(credential.getCredentialId()).thenReturn(credentialId);
    when(userDetailsService.loadUserByCredentialId(credentialId)).thenReturn(user);
    Authentication token = new WebAuthnAssertionAuthenticationToken(credential);
    authenticationProvider.authenticate(token);
}
 

@SuppressWarnings("squid:S1130")
public AuthenticationData parse(AuthenticationRequest authenticationRequest) throws DataConversionException {

    byte[] credentialId = authenticationRequest.getCredentialId();
    byte[] signature = authenticationRequest.getSignature();
    byte[] userHandle = authenticationRequest.getUserHandle();
    byte[] clientDataBytes = authenticationRequest.getClientDataJSON();
    CollectedClientData collectedClientData = collectedClientDataConverter.convert(clientDataBytes);
    byte[] authenticatorDataBytes = authenticationRequest.getAuthenticatorData();
    AuthenticatorData<AuthenticationExtensionAuthenticatorOutput<?>> authenticatorData = authenticatorDataConverter.convert(authenticatorDataBytes);

    AuthenticationExtensionsClientOutputs<AuthenticationExtensionClientOutput<?>> clientExtensions =
            authenticationExtensionsClientOutputsConverter.convert(authenticationRequest.getClientExtensionsJSON());

    return new AuthenticationData(
            credentialId,
            userHandle,
            authenticatorData,
            authenticatorDataBytes,
            collectedClientData,
            clientDataBytes,
            clientExtensions,
            signature
    );

}
 

void doAuthenticate(WebAuthnAssertionAuthenticationToken authenticationToken, Authenticator authenticator, WebAuthnUserDetails user) {

        WebAuthnAuthenticationRequest credentials = authenticationToken.getCredentials();

        boolean userVerificationRequired = isUserVerificationRequired(user, credentials);

        AuthenticationRequest authenticationRequest = new AuthenticationRequest(
                credentials.getCredentialId(),
                credentials.getAuthenticatorData(),
                credentials.getClientDataJSON(),
                credentials.getClientExtensionsJSON(),
                credentials.getSignature()
        );
        AuthenticationParameters authenticationParameters = new AuthenticationParameters(
                credentials.getServerProperty(),
                authenticator,
                userVerificationRequired,
                credentials.isUserPresenceRequired(),
                credentials.getExpectedAuthenticationExtensionIds()
        );

        try {
            webAuthnManager.validate(authenticationRequest, authenticationParameters);
        } catch (WebAuthnException e) {
            throw ExceptionUtil.wrapWithAuthenticationException(e);
        }

    }
 

/**
 * Verifies that authentication process passes successfully if input is correct.
 */
@Test
public void authenticate_test() {
    //Given
    byte[] credentialId = new byte[32];
    GrantedAuthority grantedAuthority = new SimpleGrantedAuthority("ROLE_ADMIN");
    WebAuthnAuthenticator authenticator = mock(WebAuthnAuthenticator.class, RETURNS_DEEP_STUBS);
    WebAuthnUserDetailsImpl user = new WebAuthnUserDetailsImpl(
            new byte[0],
            "dummy",
            "dummy",
            Collections.singletonList(authenticator),
            Collections.singletonList(grantedAuthority));
    when(authenticator.getAttestedCredentialData().getCredentialId()).thenReturn(credentialId);

    //When
    WebAuthnAuthenticationRequest credential = mock(WebAuthnAuthenticationRequest.class);
    when(credential.getCredentialId()).thenReturn(credentialId);
    when(userDetailsService.loadUserByCredentialId(credentialId)).thenReturn(user);
    Authentication token = new WebAuthnAssertionAuthenticationToken(credential);
    Authentication authenticatedToken = authenticationProvider.authenticate(token);

    ArgumentCaptor<AuthenticationRequest> requestCaptor = ArgumentCaptor.forClass(AuthenticationRequest.class);
    ArgumentCaptor<AuthenticationParameters> parameterCaptor = ArgumentCaptor.forClass(AuthenticationParameters.class);
    verify(webAuthnManager).validate(requestCaptor.capture(), parameterCaptor.capture());
    AuthenticationParameters authenticationParameters = parameterCaptor.getValue();

    assertThat(authenticationParameters.getExpectedExtensionIds()).isEqualTo(credential.getExpectedAuthenticationExtensionIds());

    assertThat(authenticatedToken.getPrincipal()).isInstanceOf(WebAuthnUserDetailsImpl.class);
    assertThat(authenticatedToken.getCredentials()).isEqualTo(credential);
    assertThat(authenticatedToken.getAuthorities().toArray()).containsExactly(grantedAuthority);
}
 

@SuppressWarnings("squid:S1130")
public AuthenticationData validate(AuthenticationRequest authenticationRequest, AuthenticationParameters authenticationParameters) throws DataConversionException, ValidationException {
    AuthenticationData authenticationData = parse(authenticationRequest);
    validate(authenticationData, authenticationParameters);
    return authenticationData;
}
 

public void action(AuthenticationFlowContext context) {
    MultivaluedMap<String, String> params = context.getHttpRequest().getDecodedFormParameters();

    context.getEvent().detail(Details.CREDENTIAL_TYPE, getCredentialType());

    // receive error from navigator.credentials.get()
    String errorMsgFromWebAuthnApi = params.getFirst(WebAuthnConstants.ERROR);
    if (errorMsgFromWebAuthnApi != null && !errorMsgFromWebAuthnApi.isEmpty()) {
        setErrorResponse(context, WEBAUTHN_ERROR_API_GET, errorMsgFromWebAuthnApi);
        return;
    }

    String baseUrl = UriUtils.getOrigin(context.getUriInfo().getBaseUri());
    String rpId = getRpID(context);

    Origin origin = new Origin(baseUrl);
    Challenge challenge = new DefaultChallenge(context.getAuthenticationSession().getAuthNote(WebAuthnConstants.AUTH_CHALLENGE_NOTE));
    ServerProperty server = new ServerProperty(origin, rpId, challenge, null);

    byte[] credentialId = Base64Url.decode(params.getFirst(WebAuthnConstants.CREDENTIAL_ID));
    byte[] clientDataJSON = Base64Url.decode(params.getFirst(WebAuthnConstants.CLIENT_DATA_JSON));
    byte[] authenticatorData = Base64Url.decode(params.getFirst(WebAuthnConstants.AUTHENTICATOR_DATA));
    byte[] signature = Base64Url.decode(params.getFirst(WebAuthnConstants.SIGNATURE));

    final String userHandle = params.getFirst(WebAuthnConstants.USER_HANDLE);
    final String userId;
    // existing User Handle means that the authenticator used Resident Key supported public key credential
    if (userHandle == null || userHandle.isEmpty()) {
        // Resident Key not supported public key credential was used
        // so rely on the user that has already been authenticated
        userId = context.getUser().getId();
    } else {
        // decode using the same charset as it has been encoded (see: WebAuthnRegister.java)
        userId = new String(Base64Url.decode(userHandle), StandardCharsets.UTF_8);
        if (context.getUser() != null) {
            // Resident Key supported public key credential was used,
            // so need to confirm whether the already authenticated user is equals to one authenticated by the webauthn authenticator
            String firstAuthenticatedUserId = context.getUser().getId();
            if (firstAuthenticatedUserId != null && !firstAuthenticatedUserId.equals(userId)) {
                context.getEvent()
                        .detail("first_authenticated_user_id", firstAuthenticatedUserId)
                        .detail("web_authn_authenticator_authenticated_user_id", userId);
                setErrorResponse(context, WEBAUTHN_ERROR_DIFFERENT_USER, null);
                return;
            }
        } else {
            // Resident Key supported public key credential was used,
            // and the user has not yet been identified
            // so rely on the user authenticated by the webauthn authenticator
            // NOP
        }
    }

    boolean isUVFlagChecked = false;
    String userVerificationRequirement = getWebAuthnPolicy(context).getUserVerificationRequirement();
    if (WebAuthnConstants.OPTION_REQUIRED.equals(userVerificationRequirement)) isUVFlagChecked = true;

    UserModel user = session.users().getUserById(userId, context.getRealm());

    AuthenticationRequest authenticationRequest = new AuthenticationRequest(
            credentialId,
            authenticatorData,
            clientDataJSON,
            signature
            );

    AuthenticationParameters authenticationParameters = new AuthenticationParameters(
            server,
            null, // here authenticator cannot be fetched, set it afterwards in WebAuthnCredentialProvider.isValid()
            isUVFlagChecked
            );

    WebAuthnCredentialModelInput cred = new WebAuthnCredentialModelInput(getCredentialType());

    cred.setAuthenticationRequest(authenticationRequest);
    cred.setAuthenticationParameters(authenticationParameters);

    boolean result = false;
    try {
        result = session.userCredentialManager().isValid(context.getRealm(), user, cred);
    } catch (WebAuthnException wae) {
        setErrorResponse(context, WEBAUTHN_ERROR_AUTH_VERIFICATION, wae.getMessage());
        return;
    }
    String encodedCredentialID = Base64Url.encode(credentialId);
    if (result) {
        String isUVChecked = Boolean.toString(isUVFlagChecked);
        logger.debugv("WebAuthn Authentication successed. isUserVerificationChecked = {0}, PublicKeyCredentialID = {1}", isUVChecked, encodedCredentialID);
        context.setUser(user);
        context.getEvent()
            .detail("web_authn_authenticator_user_verification_checked", isUVChecked)
            .detail("public_key_credential_id", encodedCredentialID);
        context.success();
    } else {
        context.getEvent()
            .detail("web_authn_authenticated_user_id", userId)
            .detail("public_key_credential_id", encodedCredentialID);
        setErrorResponse(context, WEBAUTHN_ERROR_USER_NOT_FOUND, null);
        context.cancelLogin();
    }
}
 

public AuthenticationRequest getAuthenticationRequest() {
    return authenticationRequest;
}
 

public void setAuthenticationRequest(AuthenticationRequest authenticationRequest) {
    this.authenticationRequest = authenticationRequest;
}