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android app利用javax.mail.Authenticator與java.security.Provider完成google gmail寄信的功能!
package com.example.mail;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import android.util.Log;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Security;
import java.util.Properties;
public class GMailSender extends javax.mail.Authenticator
{
private String mailhost = "smtp.gmail.com";
private String user;
private String password;
private Session session;
static
{
Security.addProvider(new JSSEProvider());
}
public GMailSender(String user, String password)
{
this.user = user;
this.password = password;
Properties props = new Properties();
props.setProperty("mail.transport.protocol", "smtp");
props.setProperty("mail.host", mailhost);
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.port", "465");
props.put("mail.smtp.socketFactory.port", "465");
props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
props.setProperty("mail.smtp.quitwait", "false");
session = Session.getDefaultInstance(props, this);
}
protected PasswordAuthentication getPasswordAuthentication()
{
return new PasswordAuthentication(user, password);
}
public synchronized void sendMail(String subject, String body, String sender, String recipients) throws Exception
{
try
{
MimeMessage message = new MimeMessage(session);
DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/plain"));
message.setSender(new InternetAddress(sender));
message.setSubject(subject);
message.setDataHandler(handler);
if (recipients.indexOf(',') > 0) message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));
else message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));
Transport.send(message);
}
catch (Exception e)
{
Log.e("", e.getMessage());
}
}
public class ByteArrayDataSource implements DataSource
{
private byte[] data;
private String type;
public ByteArrayDataSource(byte[] data, String type)
{
super();
this.data = data;
this.type = type;
}
public ByteArrayDataSource(byte[] data)
{
super();
this.data = data;
}
public void setType(String type)
{
this.type = type;
}
public String getContentType()
{
if (type == null) return "application/octet-stream";
else return type;
}
public InputStream getInputStream() throws IOException
{
return new ByteArrayInputStream(data);
}
public String getName()
{
return "ByteArrayDataSource";
}
public OutputStream getOutputStream() throws IOException
{
throw new IOException("Not Supported");
}
}
}
package com.example.mail;
/*
* 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.
*/
/**
* @author Alexander Y. Kleymenov
* @version $Revision$
*/
import java.security.AccessController;
import java.security.Provider;
public final class JSSEProvider extends Provider
{
public JSSEProvider()
{
super("HarmonyJSSE", 1.0, "Harmony JSSE Provider");
AccessController.doPrivileged(new java.security.PrivilegedAction<Void>()
{
public Void run()
{
put("SSLContext.TLS", "org.apache.harmony.xnet.provider.jsse.SSLContextImpl");
put("Alg.Alias.SSLContext.TLSv1", "TLS");
put("KeyManagerFactory.X509", "org.apache.harmony.xnet.provider.jsse.KeyManagerFactoryImpl");
put("TrustManagerFactory.X509", "org.apache.harmony.xnet.provider.jsse.TrustManagerFactoryImpl");
return null;
}
});
}
}
package com.example.mail;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
public class MainActivity extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
GMailSender sender = new GMailSender("寄件者帳號", "寄件者密碼");
try
{
sender.sendMail("主旨", "內容", "寄件者", "收件者");
}
catch (Exception e)
{
// TODO 自動產生的 catch 區塊
e.printStackTrace();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
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