use of com.webauthn4j.WebAuthnRegistrationManager in project keycloak by keycloak.
the class WebAuthnRegister method processAction.
@Override
public void processAction(RequiredActionContext context) {
MultivaluedMap<String, String> params = context.getHttpRequest().getDecodedFormParameters();
String isSetRetry = params.getFirst(WebAuthnConstants.IS_SET_RETRY);
if (isSetRetry != null && !isSetRetry.isEmpty()) {
requiredActionChallenge(context);
return;
}
context.getEvent().detail(Details.CREDENTIAL_TYPE, getCredentialType());
// receive error from navigator.credentials.create()
String errorMsgFromWebAuthnApi = params.getFirst(WebAuthnConstants.ERROR);
if (errorMsgFromWebAuthnApi != null && !errorMsgFromWebAuthnApi.isEmpty()) {
setErrorResponse(context, WEBAUTHN_ERROR_REGISTER_VERIFICATION, errorMsgFromWebAuthnApi);
return;
}
WebAuthnPolicy policy = getWebAuthnPolicy(context);
String rpId = policy.getRpId();
if (rpId == null || rpId.isEmpty())
rpId = context.getUriInfo().getBaseUri().getHost();
String label = params.getFirst(WebAuthnConstants.AUTHENTICATOR_LABEL);
byte[] clientDataJSON = Base64.getUrlDecoder().decode(params.getFirst(WebAuthnConstants.CLIENT_DATA_JSON));
byte[] attestationObject = Base64.getUrlDecoder().decode(params.getFirst(WebAuthnConstants.ATTESTATION_OBJECT));
String publicKeyCredentialId = params.getFirst(WebAuthnConstants.PUBLIC_KEY_CREDENTIAL_ID);
Origin origin = new Origin(UriUtils.getOrigin(context.getUriInfo().getBaseUri()));
Challenge challenge = new DefaultChallenge(context.getAuthenticationSession().getAuthNote(WebAuthnConstants.AUTH_CHALLENGE_NOTE));
ServerProperty serverProperty = new ServerProperty(origin, rpId, challenge, null);
// check User Verification by considering a malicious user might modify the result of calling WebAuthn API
boolean isUserVerificationRequired = policy.getUserVerificationRequirement().equals(WebAuthnConstants.OPTION_REQUIRED);
final String transportsParam = params.getFirst(WebAuthnConstants.TRANSPORTS);
RegistrationRequest registrationRequest;
if (StringUtil.isNotBlank(transportsParam)) {
final Set<String> transports = new HashSet<>(Arrays.asList(transportsParam.split(",")));
registrationRequest = new RegistrationRequest(attestationObject, clientDataJSON, transports);
} else {
registrationRequest = new RegistrationRequest(attestationObject, clientDataJSON);
}
RegistrationParameters registrationParameters = new RegistrationParameters(serverProperty, isUserVerificationRequired);
WebAuthnRegistrationManager webAuthnRegistrationManager = createWebAuthnRegistrationManager();
try {
// parse
RegistrationData registrationData = webAuthnRegistrationManager.parse(registrationRequest);
// validate
webAuthnRegistrationManager.validate(registrationData, registrationParameters);
showInfoAfterWebAuthnApiCreate(registrationData);
checkAcceptedAuthenticator(registrationData, policy);
WebAuthnCredentialModelInput credential = new WebAuthnCredentialModelInput(getCredentialType());
credential.setAttestedCredentialData(registrationData.getAttestationObject().getAuthenticatorData().getAttestedCredentialData());
credential.setCount(registrationData.getAttestationObject().getAuthenticatorData().getSignCount());
credential.setAttestationStatementFormat(registrationData.getAttestationObject().getFormat());
credential.setTransports(registrationData.getTransports());
// Save new webAuthn credential
WebAuthnCredentialProvider webAuthnCredProvider = (WebAuthnCredentialProvider) this.session.getProvider(CredentialProvider.class, getCredentialProviderId());
WebAuthnCredentialModel newCredentialModel = webAuthnCredProvider.getCredentialModelFromCredentialInput(credential, label);
webAuthnCredProvider.createCredential(context.getRealm(), context.getUser(), newCredentialModel);
String aaguid = newCredentialModel.getWebAuthnCredentialData().getAaguid();
logger.debugv("WebAuthn credential registration success for user {0}. credentialType = {1}, publicKeyCredentialId = {2}, publicKeyCredentialLabel = {3}, publicKeyCredentialAAGUID = {4}", context.getUser().getUsername(), getCredentialType(), publicKeyCredentialId, label, aaguid);
webAuthnCredProvider.dumpCredentialModel(newCredentialModel, credential);
context.getEvent().detail(WebAuthnConstants.PUBKEY_CRED_ID_ATTR, publicKeyCredentialId).detail(WebAuthnConstants.PUBKEY_CRED_LABEL_ATTR, label).detail(WebAuthnConstants.PUBKEY_CRED_AAGUID_ATTR, aaguid);
context.success();
} catch (WebAuthnException wae) {
if (logger.isDebugEnabled())
logger.debug(wae.getMessage(), wae);
setErrorResponse(context, WEBAUTHN_ERROR_REGISTRATION, wae.getMessage());
return;
} catch (Exception e) {
if (logger.isDebugEnabled())
logger.debug(e.getMessage(), e);
setErrorResponse(context, WEBAUTHN_ERROR_REGISTRATION, e.getMessage());
return;
}
}
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