package utils;

import java.security.GeneralSecurityException;
import java.util.Properties;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

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

import com.sun.mail.util.MailSSLSocketFactory;

public class JavaEmail {
	private static Scanner in;
	//測試
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("請輸入收件郵箱:");
		in = new Scanner(System.in);
		String rs = in.nextLine();
		while(!isEmail(rs)){
			System.err.println("你輸入的郵箱不正確!!請重新輸入正確的郵箱地址:");
			rs = in.nextLine();
		}
		sendMail(rs);
	}
    //判斷Email合法性
    public static boolean isEmail(String email) {
        if (email == null)
            return false;
        String rule = "[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[\\w](?:[\\w-]*[\\w])?";
        Pattern pattern;
        Matcher matcher;
        pattern = Pattern.compile(rule);
        matcher = pattern.matcher(email);
        if (matcher.matches())
            return true;
        else
            return false;
    }
 /**
     * 傳送郵件工具..
     * @param email
     * @param code
     */
    public static void sendMail(String email){
		//收信人的email
		String to = email;
//		//郵件傳送的email
		String from = "
 
[email protected]";
		Properties prop = new Properties();
		// 開啟debug除錯，以便在控制檯檢視
		prop.setProperty("mail.debug", "true"); 
		// 設定郵件伺服器主機名
		prop.setProperty("mail.host", "smtp.qq.com");
		// 傳送伺服器需要身份驗證
		prop.setProperty("mail.smtp.auth", "true");
		// 傳送郵件協議名稱
		prop.setProperty("mail.transport.protocol", "smtp");

		// 開啟SSL加密，否則會失敗
		MailSSLSocketFactory sf = null;
		try {
			sf = new MailSSLSocketFactory();
		} catch (GeneralSecurityException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		sf.setTrustAllHosts(true);
		prop.put("mail.smtp.ssl.enable", "true");
		prop.put("mail.smtp.ssl.socketFactory", sf);
		Session session  = Session.getDefaultInstance(prop,new  Authenticator() {
			
			public PasswordAuthentication getPasswordAuthentication()
	        {
				//發件人郵件使用者名稱、密碼
				return new PasswordAuthentication(from, "**********");//後面的字元是授權碼，用qq密碼反正我是失敗了（用自己的，別用我的，這個號是我瞎編的，為了。。。。）
	        }
		});
		
		try {
			//建立郵件物件
			MimeMessage message = new MimeMessage(session);
			//設定自定義發件人暱稱  
	        String mailName="";  
	        try {  
	        	mailName=javax.mail.internet.MimeUtility.encodeText("克里斯部落格驗證");  
	        } catch (Exception e) {  
	            e.printStackTrace();  
	        }  
			//設定發件者
			message.setFrom(new InternetAddress(mailName+"<"+from+">"));
			//設定收件者
			message.addRecipient(Message.RecipientType.TO,
                    new InternetAddress(to));
			//設定郵件主題
			message.setSubject("歡迎你註冊吳順東個人部落格!");
			//設定郵件的正文
			message.setText("這裡是正文");
			//傳送郵件
			Transport.send(message);
	        System.err.println("郵箱傳送成功....");
		} catch (AddressException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println("郵箱傳送失敗");
		} catch (MessagingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println("郵箱傳送失敗");
		}
	}
}