public AuthnRequest build(String serviceEntityId) {
    AuthnRequest authnRequest = new AuthnRequestBuilder().buildObject();
    authnRequest.setID(String.format("_%s", UUID.randomUUID()));
    authnRequest.setIssueInstant(DateTime.now());
    authnRequest.setForceAuthn(false);
    authnRequest.setDestination(destination.toString());
    authnRequest.setExtensions(createExtensions());

    Issuer issuer = new IssuerBuilder().buildObject();
    issuer.setValue(serviceEntityId);
    authnRequest.setIssuer(issuer);

    authnRequest.setSignature(createSignature());

    try {
        XMLObjectProviderRegistrySupport.getMarshallerFactory().getMarshaller(authnRequest).marshall(authnRequest);
        Signer.signObject(authnRequest.getSignature());
    } catch (SignatureException | MarshallingException e) {
        throw new SAMLRuntimeException("Unknown problem while signing SAML object", e);
    }

    return authnRequest;
}
 

/**
 * Build the logout request
 * @param subject name of the user
 * @param reason reason for generating logout request.
 * @return LogoutRequest object
 */
public LogoutRequest buildLogoutRequest(String subject,String sessionIndexId, String reason,
                                        String issuerId, String nameIdFormat) {
    Util.doBootstrap();
    LogoutRequest logoutReq = new org.opensaml.saml.saml2.core.impl.LogoutRequestBuilder().buildObject();
    logoutReq.setID(Util.createID());

    DateTime issueInstant = new DateTime();
    logoutReq.setIssueInstant(issueInstant);
    logoutReq.setNotOnOrAfter(new DateTime(issueInstant.getMillis() + 5 * 60 * 1000));

    IssuerBuilder issuerBuilder = new IssuerBuilder();
    Issuer issuer = issuerBuilder.buildObject();
    issuer.setValue(issuerId);
    logoutReq.setIssuer(issuer);

    logoutReq.setNameID(Util.buildNameID(nameIdFormat, subject));

    SessionIndex sessionIndex = new SessionIndexBuilder().buildObject();
    sessionIndex.setSessionIndex(sessionIndexId);
    logoutReq.getSessionIndexes().add(sessionIndex);

    logoutReq.setReason(reason);

    return logoutReq;
}
 

/**
 * Overload Logout request for sessionIndexId is not exist case
 *
 * @param subject Subject
 * @param reason Reason for logout
 * @param issuerId id of issuer
 * @return SAML logout request
 */
public LogoutRequest buildLogoutRequest(String subject, String reason,
                                        String issuerId, String nameIdFormat) {
    Util.doBootstrap();
    LogoutRequest logoutReq = new org.opensaml.saml.saml2.core.impl.LogoutRequestBuilder().buildObject();
    logoutReq.setID(Util.createID());

    DateTime issueInstant = new DateTime();
    logoutReq.setIssueInstant(issueInstant);
    logoutReq.setNotOnOrAfter(new DateTime(issueInstant.getMillis() + 5 * 60 * 1000));

    IssuerBuilder issuerBuilder = new IssuerBuilder();
    Issuer issuer = issuerBuilder.buildObject();
    issuer.setValue(issuerId);
    logoutReq.setIssuer(issuer);

    logoutReq.setNameID(Util.buildNameID(nameIdFormat, subject));

    logoutReq.setReason(reason);

    return logoutReq;
}
 

@Before
public void mockAuthnRequestFactory() {
    authnRequest = new AuthnRequestBuilder().buildObject();
    authnRequest.setID(TEST_REQUEST_ID);
    authnRequest.setDestination(TEST_DESTINATION);
    authnRequest.setIssueInstant(DateTime.parse(TEST_ISSUE_INSTANT));
    Issuer issuer = new IssuerBuilder().buildObject();
    issuer.setValue(TEST_ISSUER);
    authnRequest.setIssuer(issuer);
    reset(authnRequestFactory);
}
 

/**
 * Create the issuer object to be added
 *
 * @return : the issuer of the statements
 */
private static Issuer createIssuer() {

    IssuerBuilder issuer = (IssuerBuilder) XMLObjectProviderRegistrySupport.getBuilderFactory().
            getBuilder(Issuer.DEFAULT_ELEMENT_NAME);
    Issuer issuerObject = issuer.buildObject();
    issuerObject.setValue("https://identity.carbon.wso2.org");
    issuerObject.setSPProvidedID("SPPProvierId");
    return issuerObject;
}
 

/**
 * Build the logout request
 * @param subject name of the user
 * @param reason reason for generating logout request.
 * @return LogoutRequest object
 */
public LogoutRequest buildSignedLogoutRequest(String subject,String sessionIndexId, String reason,
        String issuerId, int tenantId, String tenantDomain, String destination, String nameIdFormat)
        throws SSOHostObjectException {
    Util.doBootstrap();
    LogoutRequest logoutReq = new org.opensaml.saml.saml2.core.impl.LogoutRequestBuilder().buildObject();
    logoutReq.setID(Util.createID());

    DateTime issueInstant = new DateTime();
    logoutReq.setIssueInstant(issueInstant);
    logoutReq.setNotOnOrAfter(new DateTime(issueInstant.getMillis() + 5 * 60 * 1000));

    IssuerBuilder issuerBuilder = new IssuerBuilder();
    Issuer issuer = issuerBuilder.buildObject();
    issuer.setValue(issuerId);
    logoutReq.setIssuer(issuer);

    logoutReq.setNameID(Util.buildNameID(nameIdFormat, subject));

    SessionIndex sessionIndex = new SessionIndexBuilder().buildObject();
    sessionIndex.setSessionIndex(sessionIndexId);
    logoutReq.getSessionIndexes().add(sessionIndex);

    logoutReq.setReason(reason);
    logoutReq.setDestination(destination);

    SSOAgentCarbonX509Credential ssoAgentCarbonX509Credential =
            new SSOAgentCarbonX509Credential(tenantId, tenantDomain);
    setSignature(logoutReq, SignatureConstants.ALGO_ID_SIGNATURE_RSA,
            new X509CredentialImpl(ssoAgentCarbonX509Credential));

    return logoutReq;
}
 

/**
 * Overload Logout request for sessionIndexId is not exist case
 *
 * @param subject Subject
 * @param reason Reason for logout
 * @param issuerId id of issuer
 * @return Signed SAML logout request
 */
public LogoutRequest buildSignedLogoutRequest(String subject, String reason,
        String issuerId, int tenantId, String tenantDomain, String destination, String nameIdFormat)
        throws SSOHostObjectException {
    Util.doBootstrap();
    LogoutRequest logoutReq = new org.opensaml.saml.saml2.core.impl.LogoutRequestBuilder().buildObject();
    logoutReq.setID(Util.createID());

    DateTime issueInstant = new DateTime();
    logoutReq.setIssueInstant(issueInstant);
    logoutReq.setNotOnOrAfter(new DateTime(issueInstant.getMillis() + 5 * 60 * 1000));

    IssuerBuilder issuerBuilder = new IssuerBuilder();
    Issuer issuer = issuerBuilder.buildObject();
    issuer.setValue(issuerId);
    logoutReq.setIssuer(issuer);

    logoutReq.setNameID(Util.buildNameID(nameIdFormat, subject));

    logoutReq.setReason(reason);
    logoutReq.setDestination(destination);

    SSOAgentCarbonX509Credential ssoAgentCarbonX509Credential =
            new SSOAgentCarbonX509Credential(tenantId, tenantDomain);
    setSignature(logoutReq, SignatureConstants.ALGO_ID_SIGNATURE_RSA,
            new X509CredentialImpl(ssoAgentCarbonX509Credential));

    return logoutReq;
}
 

/**
 * Build the issuer object
 *
 * @return Issuer object
 */
private static Issuer buildIssuer(String issuerId) {
    IssuerBuilder issuerBuilder = new IssuerBuilder();
    Issuer issuer = issuerBuilder.buildObject();
    issuer.setValue(issuerId);
    return issuer;
}
 

@PreAuthorize("isAuthenticated() and not(hasRole('" + IdRepoEntitlement.ANONYMOUS + "'))")
public SAML2RequestTO createLogoutRequest(final String accessToken, final String spEntityID) {
    check();

    // 1. fetch the current JWT used for Syncope authentication
    JwsJwtCompactConsumer consumer = new JwsJwtCompactConsumer(accessToken);
    if (!consumer.verifySignatureWith(jwsSignatureVerifier)) {
        throw new IllegalArgumentException("Invalid signature found in Access Token");
    }

    // 2. look for IdP
    String idpEntityID = (String) consumer.getJwtClaims().getClaim(JWT_CLAIM_IDP_ENTITYID);
    if (idpEntityID == null) {
        throw new NotFoundException("No SAML 2.0 IdP information found in the access token");
    }
    SAML2IdPEntity idp = cache.get(idpEntityID);
    if (idp == null) {
        throw new NotFoundException("SAML 2.0 IdP '" + idpEntityID + '\'');
    }
    if (idp.getSLOLocation(idp.getBindingType()) == null) {
        throw new IllegalArgumentException("No SingleLogoutService available for " + idp.getId());
    }

    // 3. create LogoutRequest
    LogoutRequest logoutRequest = new LogoutRequestBuilder().buildObject();
    logoutRequest.setID('_' + SecureRandomUtils.generateRandomUUID().toString());
    logoutRequest.setDestination(idp.getSLOLocation(idp.getBindingType()).getLocation());

    DateTime now = new DateTime();
    logoutRequest.setIssueInstant(now);
    logoutRequest.setNotOnOrAfter(now.plusMinutes(5));

    Issuer issuer = new IssuerBuilder().buildObject();
    issuer.setValue(spEntityID);
    logoutRequest.setIssuer(issuer);

    NameID nameID = new NameIDBuilder().buildObject();
    nameID.setFormat((String) consumer.getJwtClaims().getClaim(JWT_CLAIM_NAMEID_FORMAT));
    nameID.setValue((String) consumer.getJwtClaims().getClaim(JWT_CLAIM_NAMEID_VALUE));
    logoutRequest.setNameID(nameID);

    SessionIndex sessionIndex = new SessionIndexBuilder().buildObject();
    sessionIndex.setSessionIndex((String) consumer.getJwtClaims().getClaim(JWT_CLAIM_SESSIONINDEX));
    logoutRequest.getSessionIndexes().add(sessionIndex);

    SAML2RequestTO requestTO = new SAML2RequestTO();
    requestTO.setIdpServiceAddress(logoutRequest.getDestination());
    requestTO.setBindingType(idp.getBindingType());
    try {
        // 3. generate relay state as JWT
        Map<String, Object> claims = new HashMap<>();
        claims.put(JWT_CLAIM_IDP_DEFLATE,
                idp.getBindingType() == SAML2BindingType.REDIRECT ? true : idp.isUseDeflateEncoding());
        Pair<String, Date> relayState = accessTokenDataBinder.generateJWT(
                SecureRandomUtils.generateRandomUUID().toString(),
                logoutRequest.getID(), JWT_RELAY_STATE_DURATION, claims);
        requestTO.setRelayState(relayState.getLeft());

        // 4. sign and encode AuthnRequest
        switch (idp.getBindingType()) {
            case REDIRECT:
                requestTO.setContent(SAML2ReaderWriter.encode(logoutRequest, true));
                requestTO.setSignAlg(saml2rw.getSigAlgo());
                requestTO.setSignature(saml2rw.sign(requestTO.getContent(), requestTO.getRelayState()));
                break;

            case POST:
            default:
                saml2rw.sign(logoutRequest);
                requestTO.setContent(SAML2ReaderWriter.encode(logoutRequest, idp.isUseDeflateEncoding()));
        }
    } catch (Exception e) {
        LOG.error("While generating LogoutRequest", e);
        SyncopeClientException sce = SyncopeClientException.build(ClientExceptionType.Unknown);
        sce.getElements().add(e.getMessage());
        throw sce;
    }

    return requestTO;
}