Main.java

package net.sf.lab3f.mail;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Properties;
import java.util.Vector;

import java.lang.reflect.Method;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.ServletException;

import javax.mail.Session;
import javax.mail.Message;
import javax.mail.Transport;
import javax.mail.MessagingException;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import org.osgi.service.http.HttpService;
import org.osgi.service.http.HttpContext;

import net.sf.lab3f.util.TuttiFruttiable;
import org.osgi.service.http.HttpService;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletRequest;

public class Main implements Mailable{

 private HttpService jetty;
 private Properties mailProps = new Properties();

 public void start() throws Exception {
  mailProps.load(new FileInputStream("conf/mail.properties"));	 
  jetty.registerServlet("/sendmail.cgi", new HttpServlet(){
   public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException {
    res.setCharacterEncoding("UTF-8");
    res.setContentType("text/plain");	  
    String from   = req.getParameter("from");
    String subj   = req.getParameter("subj");
    String body   = req.getParameter("body");
    String domain = req.getParameter("domain");
    String ip     = req.getRemoteAddr();
    res.getWriter().print(sendEmail(from, null, subj, body, domain, ip) == 0 ? "OK" : "");
   }
  }, null, null);
  System.out.println("[INFO] Mailer is started.");
 }	 

 public void stop() throws Exception {
  jetty.unregister("/sendmail.cgi");
 }	 

 public int sendEmail(String from, String subj, String body, String domain, String ip){
  return sendEmail(from, null, subj, body, domain);
 }

 public int sendEmail(String from, String to, String subj, String message, String domain, String ip){
  if(ips.contains(ip)) 	 return 1;
  new Thread(new IPCleaner(ip)).start();
  if(to == null) to = mailProps.getProperty(domain + ".to");
  try{
   Properties props = new Properties();
   props.put("mail.smtp.host", "localhost");
   props.put("mail.smtp.port", "25");
   props.put("mail.smtp.auth", "false");
   Authenticator auth = new Authenticator(){
    public PasswordAuthentication getPasswordAuthentication(){
     return new PasswordAuthentication("mabel", "m3a4b6e4l8");
    }	    
   };	  
   Session sess = Session.getDefaultInstance(props, auth); 
   sess.setDebug(true);
   Message mess = new MimeMessage(sess);
   mess.setFrom(new InternetAddress(from));
   mess.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
   mess.setSubject(subj);
   mess.setText(message);
   Transport.send(mess);
   return 0;
  }
  catch(Exception ex){ex.printStackTrace(); return 2;}
 }	 

 private Vector <String> ips = new Vector <String> ();

 private class IPCleaner implements Runnable {
  IPCleaner(String s){
   ip = s;
   ips.add(ip); 
  }

  String ip;

  public void run(){
   try{Thread.sleep(300000);}
   catch(InterruptedException ex){}
   ips.remove(ip);   
  }	  
 }	
}