/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2006-2016
 *
 * 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 org.glite.security.voms.admin.view.interceptors;

import org.glite.security.voms.admin.error.VOMSException;
import org.glite.security.voms.admin.operations.CurrentAdmin;

import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;

public class X509ClientAuthnInterceptor extends AbstractInterceptor {

  /**
   * 
   */
  private static final long serialVersionUID = 1L;

  public static final String DEFAULT_RESULT_NAME = "authnInfo";

  private boolean raiseException = false;
  private String resultName = DEFAULT_RESULT_NAME;

  public void setRaiseException(boolean raiseException) {

    this.raiseException = raiseException;
  }

  public void setResultName(String resultName) {

    this.resultName = resultName;
  }

  @Override
  public String intercept(ActionInvocation invocation) throws Exception {

    if (CurrentAdmin.instance()
      .isUnauthenticated()) {

      if (raiseException) {
        throw new VOMSException("X.509 client authentication required");
      }

      return resultName;
    }

    return invocation.invoke();
  }

}