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 GmbH & Co. KG, 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.mail;
  
  import org.opencms.main.CmsRuntimeException;
  import org.opencms.main.OpenCms;
  
  import javax.mail.AuthenticationFailedException;
  
  import org.apache.commons.mail.EmailException;
  import org.apache.commons.mail.SimpleEmail;
  
  /**
   * This class is used to send simple text internet email messages without
   * attachments.<p>
   *
   * It uses the Apache Commons Email API and extends the provided classes to
   * conveniently generate emails using the OpenCms configuration.<p>
   *
   * @since 6.0.0
   */
  public class CmsSimpleMail extends SimpleEmail {
  
      /**
       * Default constructor of a CmsSimpleMail.<p>
       *
       * The mail host name and the mail from address are set to the OpenCms
       * default values of the configuration.<p>
       *
       */
      public CmsSimpleMail() {
  
          this(OpenCms.getSystemInfo().getMailSettings().getDefaultMailHost());
      }
  
      /**
       * Constructor of a CmsSimpleMail where the mail host is explicitly chosen.<p>
       *
       * The mail from address is set to the OpenCms
       * default values of the configuration.<p>
       *
       * @param mailHost the mail host to use (a host configured in OpenCms).
       */
      public CmsSimpleMail(CmsMailHost mailHost) {
  
          // call super constructor
          super();
          CmsMailUtil.configureMail(mailHost, this);
      }
  
      /**
       * Overrides to add a better message for authentication exception.<p>
       *
       * @see org.apache.commons.mail.Email#send()
       */
      @Override
      public String send() {
  
          String messageID = null;
          try {
              messageID = super.send();
          } catch (EmailException e) {
              // check if original Exception is of type SendFailedException which
              // should have been thrown by javax.mail.Transport.send()
              if (e.getCause() instanceof AuthenticationFailedException) {
                  CmsMailHost host = OpenCms.getSystemInfo().getMailSettings().getDefaultMailHost();
                  // wrong user credentials in opencms-system.xml: mail api does not provide a message for authentication exception
  
                  CmsRuntimeException rte = new CmsRuntimeException(
                      Messages.get().container(
                          Messages.ERR_SEND_EMAIL_AUTHENTICATE_2,
                          host.getUsername(),
                          host.getHostname()));
                  rte.initCause(e);
                  throw rte;
  
              } else {
                  CmsRuntimeException rte = new CmsRuntimeException(
                      Messages.get().container(Messages.ERR_SEND_EMAIL_CONFIG_0));
                  rte.initCause(e);
                  throw rte;
              }
          }
          return messageID;
      }
  }
  