content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.letsencrypt;
  
  import org.opencms.main.CmsLog;
  
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.net.Socket;
  
  import org.apache.commons.logging.Log;
  
  /**
   * Updates the certificate configuration for the LetsEncrypt container.<p>
   */
  public class CmsLetsEncryptUpdater implements I_CmsLetsEncryptUpdater {
  
      /** The logger instance for this class. */
      private static final Log LOG = CmsLog.getLog(CmsLetsEncryptUpdater.class);
  
      /** The LetsEncrypt configuration. */
      private CmsLetsEncryptConfiguration m_config;
  
      /**
       * Creates a new instance.<p>
       *
       * @param config the configuration
       */
      public CmsLetsEncryptUpdater(CmsLetsEncryptConfiguration config) {
          m_config = config;
      }
  
      /**
       * @see org.opencms.letsencrypt.I_CmsLetsEncryptUpdater#update(java.lang.String)
       */
      public boolean update(String certConfig) {
  
          if (m_config.isValidAndEnabled()) {
              LOG.debug("Trying to write certificate configuration: " + certConfig);
              String certConfigPath = m_config.getCertConfigPath();
              try (FileOutputStream fos = new FileOutputStream(certConfigPath)) {
                  fos.write(certConfig.getBytes("UTF-8"));
              } catch (IOException e) {
                  LOG.error("Error writing certificate configuration: " + e.getLocalizedMessage(), e);
                  return false;
              }
              String host = m_config.getHost();
              int port = m_config.getPort();
              try (Socket socket = new Socket(host, port)) {
                  socket.getOutputStream().write("update".getBytes("UTF-8"));
              } catch (Exception e) {
                  LOG.error("Couldn't notify LetsEncrypt container: " + e.getLocalizedMessage(), e);
                  return false;
              }
              return true;
          } else {
              LOG.info("LetsEncrypt configuration is invalid or disabled. ");
              return false;
          }
      }
  
  }
  