Mail.java

/*
*    This file is part of GPSLogger for Android.
*
*    GPSLogger for Android is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 2 of the License, or
*    (at your option) any later version.
*
*    GPSLogger for Android 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 General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with GPSLogger for Android.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.mendhak.gpslogger.senders.email;

/*
 * Code: http://www.jondev.net/articles/Sending_Emails_without_User_Intervention_(no_Intents)_in_Android
 * JARs: http://code.google.com/p/javamail-android/downloads/list
 */

import javax.activation.*;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import java.util.Date;
import java.util.Properties;

class Mail extends javax.mail.Authenticator
{
    private String _user;
    private String _pass;

    private String[] _to;
    private String _from;

    private String _port;
    private String _sport;

    private String _host;

    private String _subject;
    private String _body;

    private boolean _auth;
    private boolean _ssl;

    private boolean _debuggable;

    private Multipart _multipart;

    public Mail()
    {
        _user = ""; // username
        _pass = ""; // password
        _from = ""; // email sent from
        _subject = ""; // email subject
        _body = ""; // email body

        _debuggable = false; // debug mode on or off - default off
        _auth = true; // smtp authentication - default on

        _multipart = new MimeMultipart();

        // There is something wrong with MailCap, javamail can not find a
        // handler for the multipart/mixed part, so this bit needs to be added.
        MailcapCommandMap mc = (MailcapCommandMap) CommandMap
                .getDefaultCommandMap();
        mc.addMailcap("text/html;; x-java-content-handler=com.sun.mail.handlers.text_html");
        mc.addMailcap("text/xml;; x-java-content-handler=com.sun.mail.handlers.text_xml");
        mc.addMailcap("text/plain;; x-java-content-handler=com.sun.mail.handlers.text_plain");
        mc.addMailcap("multipart/*;; x-java-content-handler=com.sun.mail.handlers.multipart_mixed");
        mc.addMailcap("message/rfc822;; x-java-content-handler=com.sun.mail.handlers.message_rfc822");
        CommandMap.setDefaultCommandMap(mc);
    }

    Mail(String user, String pass)
    {
        this();

        _user = user;
        _pass = pass;
    }

    boolean send() throws Exception
    {
        Properties props = _setProperties();

        if (!_user.equals("") && !_pass.equals("") && _to.length > 0
                && !_from.equals("") && !_subject.equals("")
                && !_body.equals(""))
        {
            Session session = Session.getInstance(props, this);

            MimeMessage msg = new MimeMessage(session);

            msg.setFrom(new InternetAddress(_from));

            InternetAddress[] addressTo = new InternetAddress[_to.length];
            for (int i = 0; i < _to.length; i++)
            {
                addressTo[i] = new InternetAddress(_to[i]);
            }
            msg.setRecipients(MimeMessage.RecipientType.TO, addressTo);

            msg.setSubject(_subject);
            msg.setSentDate(new Date());

            // setup message body
            BodyPart messageBodyPart = new MimeBodyPart();
            messageBodyPart.setText(_body);
            _multipart.addBodyPart(messageBodyPart);

            // Put parts in message
            msg.setContent(_multipart);

            // send email
            Transport.send(msg);

            return true;
        }
        else
        {
            return false;
        }
    }

    void addAttachment(String fileName, String filePath) throws Exception
    {
        BodyPart messageBodyPart = new MimeBodyPart();
        DataSource source = new FileDataSource(filePath);
        messageBodyPart.setDataHandler(new DataHandler(source));
        messageBodyPart.setFileName(fileName);

        _multipart.addBodyPart(messageBodyPart);
    }

    @Override
    public PasswordAuthentication getPasswordAuthentication()
    {
        return new PasswordAuthentication(_user, _pass);
    }

    private Properties _setProperties()
    {
        Properties props = new Properties();

        props.put("mail.smtp.host", _host);

        if (_debuggable)
        {
            props.put("mail.debug", "true");
        }

        if (_auth)
        {
            props.put("mail.smtp.auth", "true");
        }

        props.put("mail.smtp.port", _port);
        props.put("mail.smtp.socketFactory.port", _sport);

        props.put("mail.smtp.starttls.enable", "true");

        if (_ssl)
        {
            props.put("mail.smtp.socketFactory.class",
                    "javax.net.ssl.SSLSocketFactory");
        }

        props.put("mail.smtp.socketFactory.fallback", "false");

        return props;
    }

    public void setBody(String _body)
    {
        this._body = _body;
    }

    public void setTo(String[] toArr)
    {
        this._to = toArr;
    }

    public void setFrom(String string)
    {
        this._from = string;
    }

    public void setSubject(String string)
    {
        this._subject = string;
    }

    public void setSsl(boolean ssl)
    {
        this._ssl = ssl;
    }

    public void setPort(String port)
    {
        this._port = port;
    }

    public void setSecurePort(String securePort)
    {
        this._sport = securePort;
    }

    public void setSmtpHost(String host)
    {
        this._host = host;
    }

    public void setDebuggable(boolean debug)
    {
        this._debuggable = debug;
    }

}