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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH & Co. KG (http://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: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://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.
 *
 * It uses the Apache Commons Email API and extends the provided classes to
 * conveniently generate emails using the OpenCms configuration.

 *
 * @since 6.0.0
 */
public class CmsSimpleMail extends SimpleEmail {

    /**
     * Default constructor of a CmsSimpleMail.

     *
     * The mail host name and the mail from address are set to the OpenCms
     * default values of the configuration.

     *
     */
    public CmsSimpleMail() {

        this(OpenCms.getSystemInfo().getMailSettings().getDefaultMailHost());
    }

    /**
     * Constructor of a CmsSimpleMail where the mail host is explicitly chosen.

     *
     * The mail from address is set to the OpenCms
     * default values of the configuration.

     *
     * @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.
     *
     * @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;
    }
}