@Override
protected Saml2Credentials retrieveCredentials(final WebContext wc) throws RequiresHttpAction {
ExtendedSAMLMessageContext context = this.contextProvider.buildSpContext(wc);
// assertion consumer url is pac4j callback url
context.setAssertionConsumerUrl(getCallbackUrl());
SignatureTrustEngine trustEngine = this.signatureTrustEngineProvider.build();
this.handler.receiveMessage(context, trustEngine);
this.responseValidator.validateSamlResponse(context, trustEngine, decrypter);
return buildSaml2Credentials(context);
}
@Override
protected RedirectAction retrieveRedirectAction(final WebContext wc) {
ExtendedSAMLMessageContext context = this.contextProvider.buildSpAndIdpContext(wc);
final String relayState = getStateParameter(wc);
AuthnRequest authnRequest = this.authnRequestBuilder.build(context);
this.handler.sendMessage(context, authnRequest, relayState);
if (destinationBindingType.equalsIgnoreCase(SAMLConstants.SAML2_POST_BINDING_URI)) {
String content =
((SimpleResponseAdapter) context.getOutboundMessageTransport()).getOutgoingContent();
return RedirectAction.success(content);
} else {
String location =
((SimpleResponseAdapter) context.getOutboundMessageTransport()).getRedirectUrl();
return RedirectAction.redirect(location);
}
}
private Saml2Credentials buildSaml2Credentials(final ExtendedSAMLMessageContext context) {
NameID nameId = (NameID) context.getSubjectNameIdentifier();
Assertion subjectAssertion = context.getSubjectAssertion();
List<Attribute> attributes = new ArrayList<Attribute>();
for (AttributeStatement attributeStatement : subjectAssertion.getAttributeStatements()) {
for (Attribute attribute : attributeStatement.getAttributes()) {
attributes.add(attribute);
}
if (attributeStatement.getEncryptedAttributes().size() > 0) {
logger.warn("Encrypted attributes returned, but no keystore was provided.");
}
for (EncryptedAttribute encryptedAttribute : attributeStatement.getEncryptedAttributes()) {
try {
attributes.add(decrypter.decrypt(encryptedAttribute));
} catch (DecryptionException e) {
logger.warn("Decryption of attribute failed, continue with the next one", e);
}
}
}
return new Saml2Credentials(nameId, attributes, subjectAssertion.getConditions(), getName());
}
