nl.surfnet.mujina.saml.AuthnRequestGenerator.java Source code

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Here is the source code for nl.surfnet.mujina.saml.AuthnRequestGenerator.java

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/*
 * Copyright 2012 SURFnet bv, The Netherlands
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package nl.surfnet.mujina.saml;

import nl.surfnet.mujina.saml.xml.IssuerGenerator;
import nl.surfnet.mujina.util.IDService;
import nl.surfnet.mujina.util.TimeService;

import org.opensaml.Configuration;
import org.opensaml.saml2.core.AuthnRequest;
import org.opensaml.saml2.core.impl.AuthnRequestBuilder;
import org.opensaml.xml.XMLObjectBuilderFactory;
import org.springframework.util.StringUtils;

public class AuthnRequestGenerator {

    private XMLObjectBuilderFactory builderFactory = Configuration.getBuilderFactory();

    private final TimeService timeService;
    private final IDService idService;
    private IssuerGenerator issuerGenerator;

    public AuthnRequestGenerator(String issuingEntityName, TimeService timeService, IDService idService) {
        super();
        this.timeService = timeService;
        this.idService = idService;

        issuerGenerator = new IssuerGenerator(issuingEntityName);
    }

    public AuthnRequest generateAuthnRequest(String destination, String responseLocation, String protocolBinding) {
        AuthnRequestBuilder authnRequestBuilder = (AuthnRequestBuilder) builderFactory
                .getBuilder(AuthnRequest.DEFAULT_ELEMENT_NAME);

        AuthnRequest authnRequest = authnRequestBuilder.buildObject();
        if (StringUtils.hasText(responseLocation)) {
            authnRequest.setAssertionConsumerServiceURL(responseLocation);
        }
        authnRequest.setID(idService.generateID());
        authnRequest.setIssueInstant(timeService.getCurrentDateTime());
        authnRequest.setDestination(destination);
        if (StringUtils.hasText(protocolBinding)) {
            authnRequest.setProtocolBinding(protocolBinding);
        }
        authnRequest.setIssuer(issuerGenerator.generateIssuer());

        return authnRequest;
    }

}