use of com.webauthn4j.data.client.CollectedClientData in project webauthn4j by webauthn4j.
the class FIDOU2FAuthenticatorRegistrationValidationTest method validate_with_bad_clientData_type_test.
@Test
void validate_with_bad_clientData_type_test() {
String rpId = "example.com";
Challenge challenge = new DefaultChallenge();
PublicKeyCredentialParameters publicKeyCredentialParameters = new PublicKeyCredentialParameters(PublicKeyCredentialType.PUBLIC_KEY, COSEAlgorithmIdentifier.ES256);
PublicKeyCredentialCreationOptions credentialCreationOptions = new PublicKeyCredentialCreationOptions(new PublicKeyCredentialRpEntity(rpId, "example.com"), new PublicKeyCredentialUserEntity(new byte[32], "username", "displayName"), challenge, Collections.singletonList(publicKeyCredentialParameters));
CollectedClientData collectedClientData = clientPlatform.createCollectedClientData(ClientDataType.WEBAUTHN_GET, challenge);
RegistrationEmulationOption registrationEmulationOption = new RegistrationEmulationOption();
registrationEmulationOption.setCollectedClientData(collectedClientData);
registrationEmulationOption.setCollectedClientDataOverrideEnabled(true);
AuthenticatorAttestationResponse authenticatorAttestationResponse = clientPlatform.create(credentialCreationOptions, registrationEmulationOption).getAuthenticatorResponse();
Set<String> transports = authenticatorTransportConverter.convertSetToStringSet(authenticatorAttestationResponse.getTransports());
ServerProperty serverProperty = new ServerProperty(origin, rpId, challenge, null);
RegistrationRequest registrationRequest = new RegistrationRequest(authenticatorAttestationResponse.getAttestationObject(), authenticatorAttestationResponse.getClientDataJSON(), transports);
RegistrationParameters registrationParameters = new RegistrationParameters(serverProperty, null, false, true);
assertThrows(InconsistentClientDataTypeException.class, () -> target.validate(registrationRequest, registrationParameters));
}
use of com.webauthn4j.data.client.CollectedClientData in project webauthn4j by webauthn4j.
the class UserVerifyingAuthenticatorAuthenticationValidationTest method validate_assertion_test_with_bad_clientData_type.
@Test
void validate_assertion_test_with_bad_clientData_type() {
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 clientData type
CollectedClientData collectedClientData = clientPlatform.createCollectedClientData(ClientDataType.WEBAUTHN_CREATE, challenge);
PublicKeyCredential<AuthenticatorAssertionResponse, AuthenticationExtensionClientOutput> credential = clientPlatform.get(credentialRequestOptions, collectedClientData);
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(InconsistentClientDataTypeException.class, () -> target.validate(authenticationData, authenticationParameters));
}
use of com.webauthn4j.data.client.CollectedClientData in project webauthn4j by webauthn4j.
the class FIDOU2FAuthenticatorAuthenticationValidationTest method validate_assertion_test_with_bad_clientData_type.
@Test
void validate_assertion_test_with_bad_clientData_type() {
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);
// bad clientData type
CollectedClientData collectedClientData = clientPlatform.createCollectedClientData(ClientDataType.WEBAUTHN_CREATE, challenge);
PublicKeyCredential<AuthenticatorAssertionResponse, AuthenticationExtensionClientOutput> publicKeyCredential = clientPlatform.get(credentialRequestOptions, collectedClientData);
AuthenticatorAssertionResponse authenticationRequest = publicKeyCredential.getAuthenticatorResponse();
ServerProperty serverProperty = new ServerProperty(origin, rpId, challenge, null);
Authenticator authenticator = TestDataUtil.createAuthenticator(attestationObject);
AuthenticationRequest webAuthnAuthenticationRequest = new AuthenticationRequest(publicKeyCredential.getRawId(), authenticationRequest.getAuthenticatorData(), authenticationRequest.getClientDataJSON(), authenticationRequest.getSignature());
AuthenticationParameters webAuthnAuthenticationParameters = new AuthenticationParameters(serverProperty, authenticator, Collections.singletonList(credentialId), false);
assertThrows(InconsistentClientDataTypeException.class, () -> target.validate(webAuthnAuthenticationRequest, webAuthnAuthenticationParameters));
}
use of com.webauthn4j.data.client.CollectedClientData in project webauthn4j by webauthn4j.
the class WebAuthnRegistrationManager method parse.
@SuppressWarnings("squid:S1130")
@NonNull
public RegistrationData parse(@NonNull RegistrationRequest registrationRequest) throws DataConversionException {
AssertUtil.notNull(registrationRequest, "registrationRequest must not be null");
byte[] clientDataBytes = registrationRequest.getClientDataJSON();
byte[] attestationObjectBytes = registrationRequest.getAttestationObject();
CollectedClientData collectedClientData = clientDataBytes == null ? null : collectedClientDataConverter.convert(clientDataBytes);
AttestationObject attestationObject = attestationObjectBytes == null ? null : attestationObjectConverter.convert(attestationObjectBytes);
Set<AuthenticatorTransport> transports = registrationRequest.getTransports() == null ? null : authenticatorTransportConverter.convertSet(registrationRequest.getTransports());
AuthenticationExtensionsClientOutputs<RegistrationExtensionClientOutput> clientExtensions = registrationRequest.getClientExtensionsJSON() == null ? null : authenticationExtensionsClientOutputsConverter.convert(registrationRequest.getClientExtensionsJSON());
return new RegistrationData(attestationObject, attestationObjectBytes, collectedClientData, clientDataBytes, clientExtensions, transports);
}
use of com.webauthn4j.data.client.CollectedClientData 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.
}
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