private Document toSAMLResponseDocument(String samlResponse, boolean isPostBinding)
throws ParsingException {
InputStream dataStream = null;
if (isPostBinding) {
// deal with SAML response from IDP
dataStream = PostBindingUtil.base64DecodeAsStream(samlResponse);
} else {
// deal with SAML response from IDP
dataStream = RedirectBindingUtil.base64DeflateDecode(samlResponse);
}
try {
return DocumentUtil.getDocument(dataStream);
} catch (Exception e) {
logger.samlResponseFromIDPParsingFailed();
throw new ParsingException("", e);
}
}
public boolean handleSAML11UnsolicitedResponse(
HttpServletRequest request, HttpServletResponse response) throws IOException {
String samlResponse = request.getParameter(GeneralConstants.SAML_RESPONSE_KEY);
Principal principal = request.getUserPrincipal();
// If we have already authenticated the user and there is no request from IDP or logout from
// user
if (principal != null) {
return true;
}
HttpSession session = request.getSession(true);
// See if we got a response from IDP
if (isNotNull(samlResponse)) {
boolean isValid = false;
try {
isValid = validate(request);
} catch (Exception e) {
logger.samlSPHandleRequestError(e);
throw new IOException();
}
if (!isValid) {
throw new IOException(ErrorCodes.VALIDATION_CHECK_FAILED);
}
try {
InputStream base64DecodedResponse = null;
if ("GET".equalsIgnoreCase(request.getMethod())) {
base64DecodedResponse = RedirectBindingUtil.base64DeflateDecode(samlResponse);
} else {
base64DecodedResponse = PostBindingUtil.base64DecodeAsStream(samlResponse);
}
SAMLParser parser = new SAMLParser();
SAML11ResponseType saml11Response =
(SAML11ResponseType) parser.parse(base64DecodedResponse);
List<SAML11AssertionType> assertions = saml11Response.get();
if (assertions.size() > 1) {
logger.trace("More than one assertion from IDP. Considering the first one.");
}
String username = null;
List<String> roles = new ArrayList<String>();
SAML11AssertionType assertion = assertions.get(0);
if (assertion != null) {
// Get the subject
List<SAML11StatementAbstractType> statements = assertion.getStatements();
for (SAML11StatementAbstractType statement : statements) {
if (statement instanceof SAML11AuthenticationStatementType) {
SAML11AuthenticationStatementType subStat =
(SAML11AuthenticationStatementType) statement;
SAML11SubjectType subject = subStat.getSubject();
username = subject.getChoice().getNameID().getValue();
}
}
roles = AssertionUtil.getRoles(assertion, null);
}
return true;
} catch (Exception e) {
logger.samlSPHandleRequestError(e);
}
}
return false;
}