/*
 * Copyright 2003 Federal Chancellery Austria
 * MOA-SPSS has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */

package at.gv.egovernment.moa.spss.server.iaik.config;

import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.Date;
import java.util.Map;
import java.util.Set;

import at.gv.egovernment.moa.spss.server.config.ConfigurationProvider;
import at.gv.egovernment.moaspss.logging.Logger;
import iaik.asn1.structures.Name;
import iaik.pki.revocation.RevocationConfiguration;
import iaik.pki.revocation.dbcrl.config.DBCrlConfig;
import iaik.utils.RFC2253NameParserException;

/**
 * An implementation of the <code>RevocationConfiguration</code> interface using
 * MOA configuration data.
 *
 * @see iaik.pki.revocation.RevocationConfiguration
 * @author Patrick Peck
 * @version $Id$
 */
public class RevocationConfigurationImpl extends AbstractObservableConfiguration implements
    RevocationConfiguration {

  /**
   * The <code>ConfigurationProvider</code> to read the configuration data from.
   */
  private final ConfigurationProvider config;

  /**
   * Create a new <code>RevocationConfigurationImpl</code>.
   * 
   * @param config The underlying MOA configuration containing the configuration
   *               data.
   */
  public RevocationConfigurationImpl(ConfigurationProvider config) {
    this.config = config;
  }

  /**
   * @see iaik.pki.revocation.RevocationConfiguration#getAlternativeDistributionPoints
   */
  @Override
  public Set getAlternativeDistributionPoints(X509Certificate cert, X509Certificate issuer, Date date) {
    return config.getDistributionPoints(cert);
  }

  /**
   * @see iaik.pki.revocation.RevocationConfiguration#archiveRevocationInfo(java.lang.String,
   *      java.lang.String)
   */
  @Override
  public boolean archiveRevocationInfo(String type, String uri) {
    return config.getEnableRevocationArchiving();
  }

  /**
   * @see iaik.pki.revocation.RevocationConfiguration#getCrlRetentionInterval(java.lang.String)
   */
  @Override
  public Integer getCrlRetentionInterval(String issuername) {
    final Map map = config.getCrlRetentionIntervals();
    final Integer interval = (Integer) map.get(issuername);

    return interval;
  }

  @Override
  public DBCrlConfig getDataBaseCRLConfig() {
    // TODO AFITZEK IMPLEMENT THIS METHOD
    return null;
  }

  @Override
  public boolean getKeepRevocationInfo() {
    // TODO AFITZEK IMPLEMENT THIS METHOD
    return false;
  }

  @Override
  public Set getPositiveOCSPResponders() {
    // TODO AFITZEK IMPLEMENT THIS METHOD
    return Collections.EMPTY_SET;
  }

  @Override
  public boolean skipIndirectCRLCheckForAlternativeDistributionPoints() {
    // TODO AFITZEK IMPLEMENT THIS METHOD
    return false;
  }

  @Override
  public boolean checkETSIValidityAssuredShortTermExt() {
    return config.isUseShortTimeCertificateEtisExt();
    
  }

  @Override
  public Long getShortTermedValidityPeriod(X509Certificate eeCert) {    
    try {
      String issuer = ConfigurationProvider.normalizeX500Names(((Name)eeCert.getIssuerDN()).getRFC2253String());      
      if (config.getShortTimeCertificatePeriods().containsKey(issuer)) {
        Integer interval = config.getShortTimeCertificatePeriods().get(issuer);
        Logger.debug("Use shortTermedValidityPeriod: " + interval + "[min] for Issuer: " + issuer);
        return Long.valueOf(interval) * 60 * 1000;
        
      } 
      
    } catch (RFC2253NameParserException e) {
      Logger.warn("Can not normalize X509 IssuerName: " + eeCert.getIssuerDN(), e);
      
    }   
    
    Logger.debug("Use default shortTermedValidityPeriod: " + config.getDefaultShortTimeCertificatePeriod() + "[min]");
    return Long.valueOf(config.getDefaultShortTimeCertificatePeriod()) * 60 * 1000;
    
  }
  
}