protected IDPSSODescriptorType getIdpMetadataFromFile(SPType configuration) {
InputStream is = this.servletContext.getResourceAsStream(configuration.getIdpMetadataFile());
if (is == null) {
return null;
}
Object metadata = null;
try {
Document samlDocument = DocumentUtil.getDocument(is);
SAMLParser parser = new SAMLParser();
metadata = parser.parse(DocumentUtil.getNodeAsStream(samlDocument));
} catch (Exception e) {
throw new RuntimeException(e);
}
IDPSSODescriptorType idpSSO = null;
if (metadata instanceof EntitiesDescriptorType) {
EntitiesDescriptorType entities = (EntitiesDescriptorType) metadata;
idpSSO = handleMetadata(entities);
} else {
idpSSO = handleMetadata((EntityDescriptorType) metadata);
}
if (idpSSO == null) {
logger.samlSPUnableToGetIDPDescriptorFromMetadata();
return idpSSO;
}
return idpSSO;
}
private EntitiesDescriptorType parseMDFile() throws ParsingException {
InputStream is = SecurityActions.loadStream(getClass(), SP_MD_FILE);
if (is == null) throw logger.nullValueError(SP_MD_FILE);
SAMLParser parser = new SAMLParser();
return (EntitiesDescriptorType) parser.parse(is);
}
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;
}