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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.dmf.mr.utils;
import com.att.ajsc.filemonitor.AJSCPropertiesMap;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.onap.dmaap.dmf.mr.constants.CambriaConstants;
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.io.IOException;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* Send an email from a message.
*
* @author peter
*/
public class Emailer
{
public static final String kField_To = "to";
public static final String kField_Subject = "subject";
public static final String kField_Message = "message";
public Emailer()
{
fExec = Executors.newCachedThreadPool ();
}
public void send ( String to, String subj, String body ) throws IOException
{
final String[] addrs = to.split ( "," );
if ( to.length () > 0 )
{
final MailTask mt = new MailTask ( addrs, subj, body );
fExec.submit ( mt );
}
else
{
log.warn ( "At least one address is required." );
}
}
public void close ()
{
fExec.shutdown ();
}
private final ExecutorService fExec;
private static final EELFLogger log = EELFManager.getInstance().getLogger(Emailer.class);
public static final String kSetting_MailAuthUser = "mailLogin";
public static final String kSetting_MailFromEmail = "mailFromEmail";
public static final String kSetting_MailFromName = "mailFromName";
public static final String kSetting_SmtpServer = "mailSmtpServer";
public static final String kSetting_SmtpServerPort = "mailSmtpServerPort";
public static final String kSetting_SmtpServerSsl = "mailSmtpServerSsl";
public static final String kSetting_SmtpServerUseAuth = "mailSmtpServerUseAuth";
private class MailTask implements Runnable
{
public MailTask ( String[] to, String subject, String msgBody )
{
fToAddrs = to;
fSubject = subject;
fBody = msgBody;
}
private String getSetting ( String settingKey, String defval )
{
String strSet = AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,settingKey);
if(strSet==null)strSet=defval;
return strSet;
}
// we need to get setting values from the evaluator but also the channel config
private void makeSetting ( Properties props, String propKey, String settingKey, String defval )
{
props.put ( propKey, getSetting ( settingKey, defval ) );
}
private void makeSetting ( Properties props, String propKey, String settingKey, int defval )
{
makeSetting ( props, propKey, settingKey, "" + defval );
}
private void makeSetting ( Properties props, String propKey, String settingKey, boolean defval )
{
makeSetting ( props, propKey, settingKey, "" + defval );
}
@Override
public void run ()
{
final StringBuffer tag = new StringBuffer ();
final StringBuffer addrList = new StringBuffer ();
tag.append ( "(" );
for ( String to : fToAddrs )
{
if ( addrList.length () > 0 )
{
addrList.append ( ", " );
}
addrList.append ( to );
}
tag.append ( addrList.toString () );
tag.append ( ") \"" );
tag.append ( fSubject );
tag.append ( "\"" );
log.info ( "sending mail to " + tag );
try
{
final Properties prop = new Properties ();
makeSetting ( prop, "mail.smtp.port", kSetting_SmtpServerPort, 587 );
prop.put ( "mail.smtp.socketFactory.fallback", "false" );
prop.put ( "mail.smtp.quitwait", "false" );
makeSetting ( prop, "mail.smtp.host", kSetting_SmtpServer, "smtp.it.onap.com" );
makeSetting ( prop, "mail.smtp.auth", kSetting_SmtpServerUseAuth, true );
makeSetting ( prop, "mail.smtp.starttls.enable", kSetting_SmtpServerSsl, true );
final String un = getSetting ( kSetting_MailAuthUser, "" );
final String value=(AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,"mailPassword")!=null)?AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop,"mailPassword"):"";
final Session session = Session.getInstance ( prop,
new javax.mail.Authenticator()
{
@Override
protected PasswordAuthentication getPasswordAuthentication()
{
return new PasswordAuthentication ( un, value );
}
}
);
final Message msg = new MimeMessage ( session );
final InternetAddress from = new InternetAddress (
getSetting ( kSetting_MailFromEmail, "team@dmaap.mr.onap.com" ),
getSetting ( kSetting_MailFromName, "The GFP/SA2020 Team" ) );
msg.setFrom ( from );
msg.setReplyTo ( new InternetAddress[] { from } );
msg.setSubject ( fSubject );
for ( String toAddr : fToAddrs )
{
final InternetAddress to = new InternetAddress ( toAddr );
msg.addRecipient ( Message.RecipientType.TO, to );
}
final Multipart multipart = new MimeMultipart ( "related" );
final BodyPart htmlPart = new MimeBodyPart ();
htmlPart.setContent ( fBody, "text/plain" );
multipart.addBodyPart ( htmlPart );
msg.setContent ( multipart );
Transport.send ( msg );
log.info ( "mailing " + tag + " off without error" );
}
catch ( Exception e )
{
log.warn ( "Exception caught for " + tag, e );
}
}
private final String[] fToAddrs;
private final String fSubject;
private final String fBody;
}
}
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