/**
* Serializes an authentication request into a string.
*
* @param request the request to serialize
* @return the serialized form of the string
* @throws MarshallingException thrown if the request can not be marshalled and serialized
*/
protected String serializeRequest(AuthnRequest request) throws MarshallingException {
Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(request);
Element requestElem = marshaller.marshall(request);
StringWriter writer = new StringWriter();
XMLHelper.writeNode(requestElem, writer);
return writer.toString();
}
/**
* Encodes the SAML 2.0 based request XML object into its corresponding Base64 notation, based on
* the type of SAML 2.0 binding.
*
* @param requestMessage the {@link RequestAbstractType} XML object to be encoded
* @param binding the SAML 2.0 binding type
* @return encoded {@link String} corresponding to the request XML object
* @throws SSOException if an error occurs while encoding SAML2 request
*/
protected static String encodeRequestMessage(RequestAbstractType requestMessage, String binding)
throws SSOException {
Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(requestMessage);
Element authDOM;
try {
// Marshall this element, and its children, and root them in a newly created Document
authDOM = marshaller.marshall(requestMessage);
} catch (MarshallingException e) {
throw new SSOException(
"Error occurred while encoding SAML2 request, failed to marshall the SAML 2.0. "
+ "Request element XMLObject to its corresponding W3C DOM element",
e);
}
StringWriter writer = new StringWriter();
// Writes the node out to the writer using the DOM
XMLHelper.writeNode(authDOM, writer);
if (SAMLConstants.SAML2_REDIRECT_BINDING_URI.equals(binding)) {
// Compress the message, Base 64 encode and URL encode
Deflater deflater = new Deflater(Deflater.DEFLATED, true);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
try (DeflaterOutputStream deflaterOutputStream =
new DeflaterOutputStream(byteArrayOutputStream, deflater)) {
deflaterOutputStream.write(writer.toString().getBytes(Charset.forName("UTF-8")));
} catch (IOException e) {
throw new SSOException("Error occurred while deflate encoding SAML2 request", e);
}
String encodedRequestMessage =
Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES);
try {
return URLEncoder.encode(encodedRequestMessage, "UTF-8").trim();
} catch (UnsupportedEncodingException e) {
throw new SSOException("Error occurred while encoding SAML2 request", e);
}
} else if (SAMLConstants.SAML2_POST_BINDING_URI.equals(binding)) {
return Base64.encodeBytes(
writer.toString().getBytes(Charset.forName("UTF-8")), Base64.DONT_BREAK_LINES);
} else {
logger.log(
Level.FINE,
"Unsupported SAML2 HTTP Binding. Defaulting to " + SAMLConstants.SAML2_POST_BINDING_URI);
return Base64.encodeBytes(
writer.toString().getBytes(Charset.forName("UTF-8")), Base64.DONT_BREAK_LINES);
}
}
private String encodeRequestMessage(RequestAbstractType requestMessage) throws SAMLSSOException {
Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(requestMessage);
Element authDOM = null;
try {
authDOM = marshaller.marshall(requestMessage);
/* Compress the message */
Deflater deflater = new Deflater(Deflater.DEFLATED, true);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
DeflaterOutputStream deflaterOutputStream =
new DeflaterOutputStream(byteArrayOutputStream, deflater);
StringWriter rspWrt = new StringWriter();
XMLHelper.writeNode(authDOM, rspWrt);
deflaterOutputStream.write(rspWrt.toString().getBytes());
deflaterOutputStream.close();
/* Encoding the compressed message */
String encodedRequestMessage =
Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES);
byteArrayOutputStream.write(byteArrayOutputStream.toByteArray());
byteArrayOutputStream.toString();
// log saml
if (log.isDebugEnabled()) {
log.debug("SAML Request : " + rspWrt.toString());
}
return URLEncoder.encode(encodedRequestMessage, "UTF-8").trim();
} catch (MarshallingException e) {
throw new SAMLSSOException("Error occurred while encoding SAML request", e);
} catch (UnsupportedEncodingException e) {
throw new SAMLSSOException("Error occurred while encoding SAML request", e);
} catch (IOException e) {
throw new SAMLSSOException("Error occurred while encoding SAML request", e);
}
}
protected String encodeRequestMessage(RequestAbstractType requestMessage, String binding)
throws SSOAgentException {
Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(requestMessage);
Element authDOM = null;
try {
authDOM = marshaller.marshall(requestMessage);
StringWriter rspWrt = new StringWriter();
XMLHelper.writeNode(authDOM, rspWrt);
if (SAMLConstants.SAML2_REDIRECT_BINDING_URI.equals(binding)) {
// Compress the message, Base 64 encode and URL encode
Deflater deflater = new Deflater(Deflater.DEFLATED, true);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
DeflaterOutputStream deflaterOutputStream =
new DeflaterOutputStream(byteArrayOutputStream, deflater);
deflaterOutputStream.write(rspWrt.toString().getBytes(Charset.forName("UTF-8")));
deflaterOutputStream.close();
String encodedRequestMessage =
Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES);
return URLEncoder.encode(encodedRequestMessage, "UTF-8").trim();
} else if (SAMLConstants.SAML2_POST_BINDING_URI.equals(binding)) {
return Base64.encodeBytes(rspWrt.toString().getBytes(), Base64.DONT_BREAK_LINES);
} else {
LOGGER.log(
Level.FINE,
"Unsupported SAML2 HTTP Binding. Defaulting to "
+ SAMLConstants.SAML2_POST_BINDING_URI);
return Base64.encodeBytes(rspWrt.toString().getBytes(), Base64.DONT_BREAK_LINES);
}
} catch (MarshallingException e) {
throw new SSOAgentException("Error occurred while encoding SAML2 request", e);
} catch (UnsupportedEncodingException e) {
throw new SSOAgentException("Error occurred while encoding SAML2 request", e);
} catch (IOException e) {
throw new SSOAgentException("Error occurred while encoding SAML2 request", e);
}
}
