use of io.getlime.security.powerauth.rest.api.spring.exception.PowerAuthEncryptionException in project powerauth-restful-integration by lime-company.
the class PowerAuthEncryptionProvider method getEciesDecryptorParameters.
@Override
@Nonnull
public PowerAuthEciesDecryptorParameters getEciesDecryptorParameters(@Nullable String activationId, @Nonnull String applicationKey, @Nonnull String ephemeralPublicKey) throws PowerAuthEncryptionException {
try {
GetEciesDecryptorRequest eciesDecryptorRequest = new GetEciesDecryptorRequest();
eciesDecryptorRequest.setActivationId(activationId);
eciesDecryptorRequest.setApplicationKey(applicationKey);
eciesDecryptorRequest.setEphemeralPublicKey(ephemeralPublicKey);
GetEciesDecryptorResponse eciesDecryptorResponse = powerAuthClient.getEciesDecryptor(eciesDecryptorRequest);
return new PowerAuthEciesDecryptorParameters(eciesDecryptorResponse.getSecretKey(), eciesDecryptorResponse.getSharedInfo2());
} catch (Exception ex) {
logger.warn("Get ECIES decryptor call failed, error: {}", ex.getMessage());
logger.debug(ex.getMessage(), ex);
throw new PowerAuthEncryptionException();
}
}
use of io.getlime.security.powerauth.rest.api.spring.exception.PowerAuthEncryptionException in project powerauth-restful-integration by lime-company.
the class PowerAuthEncryptionProviderBase method extractEciesEncryptionContext.
/**
* Extract context required for ECIES encryption from either encryption or signature HTTP header.
*
* @param request HTTP servlet request.
* @return Context for ECIES encryption.
* @throws PowerAuthEncryptionException Thrown when HTTP header with ECIES data is invalid.
*/
private EciesEncryptionContext extractEciesEncryptionContext(HttpServletRequest request) throws PowerAuthEncryptionException {
final String encryptionHttpHeader = request.getHeader(PowerAuthEncryptionHttpHeader.HEADER_NAME);
final String signatureHttpHeader = request.getHeader(PowerAuthSignatureHttpHeader.HEADER_NAME);
// Check that at least one PowerAuth HTTP header with parameters for ECIES is present
if (encryptionHttpHeader == null && signatureHttpHeader == null) {
logger.warn("Neither signature nor encryption HTTP header is present");
throw new PowerAuthEncryptionException();
}
// In case the PowerAuth signature HTTP header is present, use it for ECIES
if (signatureHttpHeader != null) {
// Parse signature HTTP header
final PowerAuthSignatureHttpHeader header = new PowerAuthSignatureHttpHeader().fromValue(signatureHttpHeader);
// Validate the signature HTTP header
try {
PowerAuthSignatureHttpHeaderValidator.validate(header);
} catch (InvalidPowerAuthHttpHeaderException ex) {
logger.warn("Signature HTTP header validation failed, error: {}", ex.getMessage());
logger.debug(ex.getMessage(), ex);
throw new PowerAuthEncryptionException();
}
// Construct encryption parameters object
final String applicationKey = header.getApplicationKey();
final String activationId = header.getActivationId();
final String version = header.getVersion();
return new EciesEncryptionContext(applicationKey, activationId, version, header);
} else {
// Parse encryption HTTP header
final PowerAuthEncryptionHttpHeader header = new PowerAuthEncryptionHttpHeader().fromValue(encryptionHttpHeader);
// Validate the encryption HTTP header
try {
PowerAuthEncryptionHttpHeaderValidator.validate(header);
} catch (InvalidPowerAuthHttpHeaderException ex) {
logger.warn("Encryption validation failed, error: {}", ex.getMessage());
logger.debug(ex.getMessage(), ex);
throw new PowerAuthEncryptionException();
}
// Construct encryption parameters object
final String applicationKey = header.getApplicationKey();
final String activationId = header.getActivationId();
final String version = header.getVersion();
return new EciesEncryptionContext(applicationKey, activationId, version, header);
}
}
use of io.getlime.security.powerauth.rest.api.spring.exception.PowerAuthEncryptionException in project powerauth-restful-integration by lime-company.
the class PowerAuthEncryptionProviderBase method decryptRequest.
/**
* Decrypt HTTP request body and construct object with ECIES data. Use the requestType parameter to specify
* the type of decrypted object.
*
* @param request HTTP request.
* @param requestType Class of request object.
* @param eciesScope ECIES scope.
* @return Object with ECIES data.
* @throws PowerAuthEncryptionException In case request decryption fails.
*/
@Nonnull
public PowerAuthEciesEncryption decryptRequest(@Nonnull HttpServletRequest request, @Nonnull Type requestType, @Nonnull EciesScope eciesScope) throws PowerAuthEncryptionException {
// Only POST HTTP method is supported for ECIES
if (!"POST".equals(request.getMethod())) {
logger.warn("Invalid HTTP method: {}", request.getMethod());
throw new PowerAuthEncryptionException();
}
// Resolve either signature or encryption HTTP header for ECIES
final EciesEncryptionContext encryptionContext = extractEciesEncryptionContext(request);
// Construct ECIES encryption object from HTTP header
final PowerAuthEciesEncryption eciesEncryption = new PowerAuthEciesEncryption(encryptionContext);
// Save ECIES scope in context
eciesEncryption.getContext().setEciesScope(eciesScope);
try {
// Parse ECIES cryptogram from request body
final PowerAuthRequestBody requestBody = ((PowerAuthRequestBody) request.getAttribute(PowerAuthRequestObjects.REQUEST_BODY));
if (requestBody == null) {
logger.warn("The X-PowerAuth-Request-Body request attribute is missing. Register the PowerAuthRequestFilter to fix this error.");
throw new PowerAuthEncryptionException();
}
final byte[] requestBodyBytes = requestBody.getRequestBytes();
if (requestBodyBytes == null || requestBodyBytes.length == 0) {
logger.warn("Invalid HTTP request");
throw new PowerAuthEncryptionException();
}
final EciesEncryptedRequest eciesRequest = objectMapper.readValue(requestBodyBytes, EciesEncryptedRequest.class);
if (eciesRequest == null) {
logger.warn("Invalid ECIES request data");
throw new PowerAuthEncryptionException();
}
// Prepare ephemeral public key
final String ephemeralPublicKey = eciesRequest.getEphemeralPublicKey();
final String encryptedData = eciesRequest.getEncryptedData();
final String mac = eciesRequest.getMac();
final String nonce = eciesRequest.getNonce();
// Verify ECIES request data. Nonce is required for protocol 3.1+
if (ephemeralPublicKey == null || encryptedData == null || mac == null) {
logger.warn("Invalid ECIES request data");
throw new PowerAuthEncryptionException();
}
if (nonce == null && !"3.0".equals(encryptionContext.getVersion())) {
logger.warn("Missing nonce in ECIES request data");
throw new PowerAuthEncryptionException();
}
final byte[] ephemeralPublicKeyBytes = BaseEncoding.base64().decode(ephemeralPublicKey);
final byte[] encryptedDataBytes = BaseEncoding.base64().decode(encryptedData);
final byte[] macBytes = BaseEncoding.base64().decode(mac);
final byte[] nonceBytes = nonce != null ? BaseEncoding.base64().decode(nonce) : null;
final String applicationKey = eciesEncryption.getContext().getApplicationKey();
final PowerAuthEciesDecryptorParameters decryptorParameters;
// Obtain ECIES decryptor parameters from PowerAuth server
switch(eciesScope) {
case ACTIVATION_SCOPE:
final String activationId = eciesEncryption.getContext().getActivationId();
if (activationId == null) {
logger.warn("Activation ID is required in ECIES activation scope");
throw new PowerAuthEncryptionException();
}
decryptorParameters = getEciesDecryptorParameters(activationId, applicationKey, ephemeralPublicKey);
break;
case APPLICATION_SCOPE:
decryptorParameters = getEciesDecryptorParameters(null, applicationKey, ephemeralPublicKey);
break;
default:
logger.warn("Unsupported ECIES scope: {}", eciesScope);
throw new PowerAuthEncryptionException();
}
// Prepare envelope key and sharedInfo2 parameter for decryptor
final byte[] secretKey = BaseEncoding.base64().decode(decryptorParameters.getSecretKey());
final EciesEnvelopeKey envelopeKey = new EciesEnvelopeKey(secretKey, ephemeralPublicKeyBytes);
final byte[] sharedInfo2 = BaseEncoding.base64().decode(decryptorParameters.getSharedInfo2());
// Construct decryptor and set it to the request for later encryption of response
final EciesDecryptor eciesDecryptor = eciesFactory.getEciesDecryptor(envelopeKey, sharedInfo2);
eciesEncryption.setEciesDecryptor(eciesDecryptor);
// Decrypt request data
final EciesCryptogram cryptogram = new EciesCryptogram(ephemeralPublicKeyBytes, macBytes, encryptedDataBytes, nonceBytes);
final byte[] decryptedData = eciesDecryptor.decryptRequest(cryptogram);
eciesEncryption.setEncryptedRequest(encryptedDataBytes);
eciesEncryption.setDecryptedRequest(decryptedData);
// Set the request object only in case when request data is sent
if (decryptedData.length != 0) {
eciesEncryption.setRequestObject(deserializeRequestData(decryptedData, requestType));
}
// Set encryption object in HTTP servlet request
request.setAttribute(PowerAuthRequestObjects.ENCRYPTION_OBJECT, eciesEncryption);
} catch (Exception ex) {
logger.debug("Request decryption failed, error: " + ex.getMessage(), ex);
throw new PowerAuthEncryptionException();
}
return eciesEncryption;
}
use of io.getlime.security.powerauth.rest.api.spring.exception.PowerAuthEncryptionException in project powerauth-restful-integration by lime-company.
the class PowerAuthAnnotationInterceptor method preHandle.
@Override
public boolean preHandle(@NonNull HttpServletRequest request, @NonNull HttpServletResponse response, @NonNull Object handler) {
// requests before the actual requests.
if (handler instanceof HandlerMethod) {
final HandlerMethod handlerMethod = (HandlerMethod) handler;
// Obtain annotations
PowerAuth powerAuthSignatureAnnotation = handlerMethod.getMethodAnnotation(PowerAuth.class);
PowerAuthToken powerAuthTokenAnnotation = handlerMethod.getMethodAnnotation(PowerAuthToken.class);
PowerAuthEncryption powerAuthEncryptionAnnotation = handlerMethod.getMethodAnnotation(PowerAuthEncryption.class);
// Check that either signature or token annotation is active
if (powerAuthSignatureAnnotation != null && powerAuthTokenAnnotation != null) {
logger.warn("You cannot use both @PowerAuth and @PowerAuthToken on same handler method. We are removing both.");
powerAuthSignatureAnnotation = null;
powerAuthTokenAnnotation = null;
}
// sign-then-encrypt sequence in case both authorization and encryption are used.
if (powerAuthEncryptionAnnotation != null) {
final Type requestType = resolveGenericParameterTypeForEcies(handlerMethod);
try {
encryptionProvider.decryptRequest(request, requestType, powerAuthEncryptionAnnotation.scope());
// Encryption object is saved in HTTP servlet request by encryption provider, so that it is available for Spring
} catch (PowerAuthEncryptionException ex) {
logger.warn("Decryption failed, error: {}", ex.getMessage());
logger.debug("Error details", ex);
}
}
// Resolve @PowerAuth annotation
if (powerAuthSignatureAnnotation != null) {
try {
final String resourceId = expandResourceId(powerAuthSignatureAnnotation.resourceId(), request, handlerMethod);
final String header = request.getHeader(PowerAuthSignatureHttpHeader.HEADER_NAME);
final List<PowerAuthSignatureTypes> signatureTypes = Arrays.asList(powerAuthSignatureAnnotation.signatureType());
final PowerAuthApiAuthentication authentication = authenticationProvider.validateRequestSignatureWithActivationDetails(request, resourceId, header, signatureTypes);
request.setAttribute(PowerAuthRequestObjects.AUTHENTICATION_OBJECT, authentication);
} catch (PowerAuthAuthenticationException ex) {
logger.warn("Invalid request signature, authentication object was removed");
request.setAttribute(PowerAuthRequestObjects.AUTHENTICATION_OBJECT, null);
}
}
// Resolve @PowerAuthToken annotation
if (powerAuthTokenAnnotation != null) {
try {
final String header = request.getHeader(PowerAuthTokenHttpHeader.HEADER_NAME);
final List<PowerAuthSignatureTypes> signatureTypes = Arrays.asList(powerAuthTokenAnnotation.signatureType());
final PowerAuthApiAuthentication authentication = authenticationProvider.validateTokenWithActivationDetails(header, signatureTypes);
request.setAttribute(PowerAuthRequestObjects.AUTHENTICATION_OBJECT, authentication);
} catch (PowerAuthAuthenticationException ex) {
logger.warn("Invalid token, authentication object was removed");
request.setAttribute(PowerAuthRequestObjects.AUTHENTICATION_OBJECT, null);
}
}
}
return true;
}
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