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Java WebMail System Implementation(2)
 
¾Æ½Ã´Â ºÐÀº ¾Ë°ÚÁö¸¸ 2001³â¿¡ ¸ð¸ð »çÀÌÆ®¿¡ µ·(¹«·Á 900¿ø)¹Þ°í ¿Ã¶ó°£ ³»¿ëÀε¥ ¿äû¿¡ ÀÇÇÏ¿© ÀÚ¹ÙÆÐÅÏ»çÀÌÆ®¿¡ ´Ù½Ã °ø°³ÇÕ´Ï´Ù. ( 2003/04/25 ) 717
Written by ienvyou - ÃÖÁö¿õ
3 of 4
 

Authenticator

java.net ÆÐÅ°Áö¿¡µµ Authenticatorµµ ÀÖ´Ù. JavaMail API´Â java.netÆÐÅ°Áöó·³ »ç¿ëÀÚÀ̸§°ú 

Æнº¿öµåÁ¤º¸µîÀ» ÅëÇØ ÀÚ¿ø¿¡ Á¢±ÙÇÏ°Ô ÇÏ´Â ÀåÁ¡µµ °¡Áö°í ÀÖ´Ù.

¿©±â¼­ ¸»ÇÏ´Â ÀÚ¿ø(resource)´Â Áï ¸ÞÀÏ ¼­¹ö¸¦ ¸»ÇÏ´Â °ÍÀε¥, Authenticator´Â

javax.mail ÆÐÅ°Áö¿¡ Á¤ÀǵǾî ÀÖ´Ù(´ç±Ù java.netÆÐÅ°Áö¿Í´Â ´Ù¸£´Ù)

Authenticator¸¦ »ç¿ëÇϱâ À§Çؼ­´Â ÇØ´ç AuthenticatorŬ·¡½º¸¦ »ó¼ÓÇÑ PasswordAuthenticator

Ŭ·¡½º·ÎºÎÅÍ ÀνºÅϽº¸¦ »ý¼ºÇÏ°í getPasswordAuthentication() ¸Þ¼Òµå¸¦ ¸®ÅϽÃÄÑ¾ß ÇÑ´Ù.

Authenticator¸¦ »ç¿ëÇϱâ À§Çؼ­´Â ¹Ýµå½Ã ¼¼¼ÇÀ» »ý¼ºÇÏ¿© »ç¿ëÇØ¾ß Çϸç, 

ÀÎÁõÀÌ ÇÊ¿äÇÑ°æ¿ì ÇØ´ç ¼¼¼ÇÀÌ Authenticator¿¡°Ô ÀÎÁõ½Ãµµ¸¦ Å뺸ÇÏ°Ô µÈ´Ù.


ÀÎÁõ½Ã¿¡´Â ȯ°æ¼³Á¤ÆÄÀÏ¿¡ ÀúÀåµÇ¾î ÀÖ´Â username°ú password ¶Ç´Â À©µµ¿ìÀÇ Æ˾÷âÀ» 

¶ç¿òÀ¸·Î¼­ ÇØ´ç°ªÀ» ÀÔ·Â¹Þ°Ô µÇ°í, PasswordAuthenticationÀÇ °´Ã¼¸¦ ¸®ÅÏÇÒ¼ö ÀÖµµ·Ï ÇÑ´Ù.

Properties props = new Properties(); // ÇÁ·ÎÆÛƼ »ý¼º
Authenticator auth = new MyAuthenticator();  // Authenticator¸¦ »ó¼Ó¹ÞÀº Ŭ·¡½º°´Ã¼ÀÇ »ý¼º
Session session = Session.getDefaultInstance(props, auth); //¼¼¼Ç»ý¼º

class MyAuthentication extends Authenticator {
    PasswordAuthentication pa;
    public MyAuthentication(){
        pa = new PasswordAuthentication("your_id","your_password");
    }
    public PasswordAuthentication getPasswordAuthentication() {
        return pa;
    }
}

À§ÀÇ ³»¿ëÀÌ ÇÊ¿äÇÒ °æ¿ì ¼¼¼Ç°´Ã¼¿¡ ÀÎÁõÀ» Çؾߵȴٴ °É ½Ã½ºÅÛÃøÀ¸·Î ÅëÁöÇϱâ À§ÇØ 
props.put("mail.smtp.auth","true");
¶óÀÎÀÌ ¹Ýµå½Ã µé¾î°¡ ÀÖ¾î¾ß ÇÑ´Ù.

ÀÚ.. ¿¹Àü¿¡ Çß´ø msgsendsampleŬ·¡½º¸¦ local smtp°¡ ¾Æ´Ñ ¿ÜºÎ smtp¼­¹ö¿¡ ÀÎÁõÀ» 

½ÃµµÇÔÀ¸·Î¼­ »ç¿ëÇϵµ·Ï Çغ¸°Ú´Ù.




import java.util.*;
import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

public class msgsendsample {
  static String msgText = "This is a message body.\nHere's the second line.";

public msgsendsample() {
   String arg [] ={"ienvyou@orgio.net","ienvyou@openitech.co.kr", "openitech.co.kr", "true"};
	
   System.out.println();
		
   String to = arg[0];
   String from = arg[1];
   String host = arg[2];
   System.out.println("babo!!");
   boolean debug = Boolean.valueOf(arg[3]).booleanValue();
    // create some properties and get the default Session
    Properties props = new Properties();
    props.put("mail.smtp.host", host);
	
     // ¹Ýµå½Ã ÇÁ·ÎÆÛƼ¿¡ ¼¼ÆõǾî ÀÖ¾î¾ß ÇÑ´Ù. ¾Æ´Ï¸é ÀÎÁõÀ» ½ÃµµÇÏÁö ¾Ê´Â´Ù.
    props.put("mail.smtp.auth","true");  
	
    Authenticator auth = new MyAuthentication();
		
    if (debug) props.put("mail.debug", arg[3]);

    Session session = Session.getDefaultInstance(props, auth);
    session.setDebug(debug);
		
    try {
    // create a message
        Message msg = new MimeMessage(session);
        msg.setFrom(new InternetAddress(from));
        InternetAddress[] address = {new InternetAddress(arg[0])};
        msg.setRecipients(Message.RecipientType.TO, address);
        msg.setSubject("JavaMail APIs Test");
        msg.setSentDate(new Date());
        // If the desired charset is known, you can use
        // setText(text, charset)
        msg.setText(msgText);

        Transport.send(msg);
    } catch (MessagingException mex) {
        System.out.println("\n--Exception handling in msgsendsample.java");
        mex.printStackTrace();
        System.out.println();
        Exception ex = mex;
        do {
                if (ex instanceof SendFailedException) {
                    SendFailedException sfex = (SendFailedException)ex;
                    Address[] invalid = sfex.getInvalidAddresses();
                    if (invalid != null) {
                        System.out.println("    ** Invalid Addresses");
                        if (invalid != null) {
                                for (int i = 0; i < invalid.length; i++) 
                                System.out.println("         " + invalid[i]);
                        }
                }
                    Address[] validUnsent = sfex.getValidUnsentAddresses();
                if (validUnsent != null) {
                    System.out.println("    ** ValidUnsent Addresses");
                    if (validUnsent != null) {
                        for (int i = 0; i < validUnsent.length; i++) 
                            System.out.println("         "+validUnsent[i]);
                    }
                }
                Address[] validSent = sfex.getValidSentAddresses();
                if (validSent != null) {
                    System.out.println("    ** ValidSent Addresses");
                    if (validSent != null) {
                        for (int i = 0; i < validSent.length; i++) 
                            System.out.println("         "+validSent[i]);
                    }
                }
            }
                System.out.println();
                if (ex instanceof MessagingException)
                  ex = ((MessagingException)ex).getNextException();
               else
                    ex = null;
            } while (ex != null);
        }
    }

       public static void main(String[] args) {
            new msgsendsample();
        }
    private static void usage() {
        System.out.println("usage: java msgsendsample <to> <from> <smtp> true|false");
    }
}


class MyAuthentication extends Authenticator {
    PasswordAuthentication pa;
    public MyAuthentication(){
        pa = new PasswordAuthentication("your_id","your_password");  
    // ¿©·¯ºÐµéÀÌ »ç¿ëÇÏ°í ÀÖ´Â smtp serverÀÇ ¾ÆÀ̵ð¿Í Æнº¿öµå¸¦ ÀÔ·ÂÇÑ´Ù.
}

	// ¾Æ·¡ÀÇ ¸Þ¼Òµå´Â ½Ã½ºÅÛÃø¿¡¼­ »ç¿ëÇÏ´Â ¸Þ¼ÒµåÀÌ´Ù.
    public PasswordAuthentication getPasswordAuthentication() {
        return pa;
    }
}
 
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