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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.naming.factory;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Properties;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimePartDataSource;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.RefAddr;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;
import org.apache.tomcat.util.ExceptionUtils;
/**
* Factory class that creates a JNDI named javamail MimePartDataSource object which can be used for sending email using
* SMTP.
* <p>
* Can be configured in the Context scope of your server.xml configuration file.
* <p>
* Example:
*
* <pre>
* <Resource name="mail/send"
* auth="CONTAINER"
* type="jakarta.mail.internet.MimePartDataSource"
* factory="org.apache.naming.factory.SendMailFactory"
* mail.smtp.host="your.smtp.host"
* mail.smtp.user="someuser"
* mail.from="someuser@some.host"
* mail.smtp.sendpartial="true"
* mail.smtp.dsn.notify="FAILURE"
* mail.smtp.dsn.ret="FULL"
* />
* </pre>
*/
public class SendMailFactory implements ObjectFactory {
// The class name for the javamail MimeMessageDataSource
protected static final String DataSourceClassName = "javax.mail.internet.MimePartDataSource";
@Override
public Object getObjectInstance(Object refObj, Name name, Context ctx, Hashtable<?,?> env) throws Exception {
final Reference ref = (Reference) refObj;
// Creation of the DataSource is wrapped inside a doPrivileged
// so that javamail can read its default properties without
// throwing Security Exceptions
if (ref.getClassName().equals(DataSourceClassName)) {
return AccessController.doPrivileged((PrivilegedAction<MimePartDataSource>) () -> {
// set up the smtp session that will send the message
Properties props = new Properties();
// enumeration of all refaddr
Enumeration<RefAddr> list = ref.getAll();
// current refaddr to be set
RefAddr refaddr;
// set transport to smtp
props.put("mail.transport.protocol", "smtp");
while (list.hasMoreElements()) {
refaddr = list.nextElement();
// set property
props.put(refaddr.getType(), refaddr.getContent());
}
MimeMessage message = new MimeMessage(Session.getInstance(props));
try {
RefAddr fromAddr = ref.get("mail.from");
String from = null;
if (fromAddr != null) {
from = (String) fromAddr.getContent();
}
if (from != null) {
message.setFrom(new InternetAddress(from));
}
message.setSubject("");
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
// Otherwise ignore
}
return new MimePartDataSource(message);
});
} else { // We can't create an instance of the DataSource
return null;
}
}
}
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