com.uchicom.smtp.MailSender Maven / Gradle / Ivy
// (C) 2017 uchicom
package com.uchicom.smtp;
import com.uchicom.smtp.dkim.DkimBuilder;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.mail.Address;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
/** @author uchicom: Shigeki Uchiyama */
public class MailSender {
private static final Logger logger = Logger.getLogger(MailSender.class.getCanonicalName());
private String fromHost;
private String host;
private int port;
private String user;
private String enc;
private String password;
private boolean ssl;
public MailSender(
String fromHost,
String host,
int port,
String enc,
String user,
String password,
boolean ssl) {
this.fromHost = fromHost;
this.host = host;
this.port = port;
this.user = user;
this.password = password;
this.enc = enc;
this.ssl = ssl;
}
public Socket createSocket() throws Exception {
if (ssl) {
// KeyStore ks = KeyStore.getInstance("JKS");
//
// char[] keyStorePass = "changeit".toCharArray();
// ks.load(new FileInputStream("conf/client_keystore"), keyStorePass);
//
// KeyManagerFactory tmf = KeyManagerFactory.getInstance("SunX509");
// tmf.init(ks, keyStorePass);
//
// // ソケットを生成する
// SSLContext context = SSLContext.getInstance("TLS");
// context.init(tmf.getKeyManagers(), null, null);
// SSLSocketFactory sf = context.getSocketFactory();
SSLSocketFactory sf = SSLContext.getDefault().getSocketFactory();
SSLSocket socket = (SSLSocket) sf.createSocket(host, port);
socket.startHandshake();
return socket;
} else {
return new Socket(host, port);
}
}
public void send(String from, String to, String data) throws Exception {
logger.info("transfer:" + to);
try (Socket socket = createSocket();
BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
OutputStreamWriter writer2 = new OutputStreamWriter(socket.getOutputStream(), enc); ) {
logger.info("t[" + reader.readLine() + "]");
writer2.write("EHLO " + this.fromHost + "\r\n"); // EHLO
writer2.flush();
String rec = null;
do {
rec = reader.readLine();
logger.info("t[" + rec + "]");
} while (rec != null && rec.startsWith("250-"));
writer2.write("AUTH LOGIN" + "\r\n"); // AUTH LOGIN
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
writer2.write(new String(Base64.getEncoder().encode(user.getBytes())) + "\r\n"); // USER
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
writer2.write(
new String(Base64.getEncoder().encode(password.getBytes())) + "\r\n"); // PASSWORD
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
logger.info("mailFrom:" + from);
writer2.write("MAIL FROM: <" + from + ">\r\n"); // MAIL FROM:
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("250"))
throw new Exception(from + "が迷惑メールに登録されている可能性があります。メールの設定を確認してください");
writer2.write("RCPT TO: <" + to + ">\r\n"); // RCPT TO:
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("250")) throw new Exception(to + "のアドレスが存在しない可能性があります。メールの設定を確認してください");
writer2.write("DATA\r\n"); // DATA
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("354")) throw new Exception("メールの送信に失敗しました。メールの管理者までご連絡ください");
writer2.write(data);
writer2.flush();
writer2.write(".\r\n"); // DATA
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("250")) throw new Exception("メールの送信に失敗しました。申し訳ございませんが、メールの管理者までご連絡ください");
writer2.write("QUIT\r\n");
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
} catch (Exception e) {
e.printStackTrace();
logger.warning(e.getMessage());
throw e;
}
logger.info("smtp host:" + host);
}
public void send(String from, String to, String data, String enc) throws Exception {
logger.info("transfer:" + to);
String[] addresses = to.split("@");
String[] hosts = SmtpProcess.lookupMailHosts(addresses[1]);
boolean sent = false;
Exception exception = null;
for (String host : hosts) {
if (sent) break;
exception = null;
try (Socket socket = new Socket(host, 8025);
BufferedReader reader =
new BufferedReader(new InputStreamReader(socket.getInputStream()));
OutputStreamWriter writer2 = new OutputStreamWriter(socket.getOutputStream(), enc); ) {
logger.info("t[" + reader.readLine() + "]");
writer2.write("EHLO " + this.fromHost + "\r\n"); // EHLO
writer2.flush();
String rec = null;
do {
rec = reader.readLine();
logger.info("t[" + rec + "]");
} while (rec != null && rec.startsWith("250-"));
logger.info("mailFrom:" + from);
writer2.write("MAIL FROM: <" + from + ">\r\n"); // MAIL FROM:
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("250"))
throw new Exception(from + "が迷惑メールに登録されている可能性があります。メールの設定を確認してください");
writer2.write("RCPT TO: <" + to + ">\r\n"); // RCPT TO:
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("250")) throw new Exception(to + "のアドレスが存在しない可能性があります。メールの設定を確認してください");
writer2.write("DATA\r\n"); // DATA
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("354")) throw new Exception("メールの送信に失敗しました。メールの管理者までご連絡ください");
writer2.write(data);
writer2.flush();
writer2.write(".\r\n"); // DATA
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
if (!rec.startsWith("250"))
throw new Exception("メールの送信に失敗しました。申し訳ございませんが、メールの管理者mまでご連絡ください");
sent = true;
writer2.write("QUIT\r\n");
writer2.flush();
rec = reader.readLine();
logger.info("t[" + rec + "]");
break;
} catch (Exception e) {
e.printStackTrace();
logger.warning(e.getMessage());
exception = e;
}
logger.info("mx!:" + host);
}
// 送信していない場合はexceptionを送信
if (!sent) {
throw exception;
}
}
public static void send(
String fromHost, String fromMailAddress, String toHost, String toMailAddress, String data)
throws UnknownHostException, IOException {
try (Socket transferSocket = new Socket(toHost, 25);
BufferedReader reader =
new BufferedReader(new InputStreamReader(transferSocket.getInputStream()));
BufferedWriter writer =
new BufferedWriter(new OutputStreamWriter(transferSocket.getOutputStream())); ) {
logger.log(Level.INFO, "t[" + reader.readLine() + "]");
writer.write("EHLO ");
writer.write(fromHost);
writer.write("\r\n"); // EHLO
writer.flush();
String rec = null;
// boolean starttls = false;
do {
rec = reader.readLine();
logger.log(Level.INFO, "t[" + rec + "]");
if (rec.contains("STARTTLS")) {
// starttls = true;
}
} while (rec != null && rec.startsWith("250-"));
// if (starttls) {
// writer2.write("STARTTLS\r\n");// STARTTLS
// writer2.flush();
//
// logger.log(Level.INFO,"t[" + reader.readLine() + "]");
// writer2.close();
// reader.close();
// //SSL処理開始
// SSLSocket sslSocket = (SSLSocket) ((SSLSocketFactory)
// SSLSocketFactory.getDefault()).createSocket(
// socket,
// socket.getInetAddress().getHostAddress(),
// socket.getPort(),
// true);
//// sslSocket.setEnabledProtocols(sslSocket.getSupportedProtocols());
////
//// sslSocket.setEnabledCipherSuites(sslSocket.getSupportedCipherSuites());
// sslSocket.setEnableSessionCreation(true);
// sslSocket.setUseClientMode(true);
// logger.log(Level.INFO,"startHandshake");
//
// sslSocket.startHandshake();
//
// logger.log(Level.INFO,"reader2");
// BufferedReader reader2 = new BufferedReader(new
// InputStreamReader(sslSocket.getInputStream()));
//
// logger.log(Level.INFO,"writer3");
// BufferedWriter writer3 = new BufferedWriter(new
// OutputStreamWriter(sslSocket.getOutputStream()));
//
//
//
// logger.log(Level.INFO,"ehlo");
// writer3.write("EHLO uchicom.com\r\n");//EHLO
// logger.log(Level.INFO,"flush");
// writer3.flush();
//
// rec = null;
// do {
// logger.log(Level.INFO,"readline");
// rec = reader2.readLine();
// logger.log(Level.INFO,"t[" + rec + "]");
// }while (rec != null && rec.startsWith("250-"));
// logger.log(Level.INFO,"mailFrom3:" + mailFrom);
// writer3.write("MAIL FROM: <" + mailFrom + ">\r\n");// MAIL FROM:
// writer3.flush();
//
// logger.log(Level.INFO,"t[" + reader2.readLine() + "]");
//
// writer3.write("RCPT TO: <" + address + ">\r\n");// RCPT TO:
// writer3.flush();
//
// logger.log(Level.INFO,"t[" + reader2.readLine() + "]");
//
// writer3.write("DATA\r\n");// DATA
// writer3.flush();
//
// logger.log(Level.INFO,"t[" + reader2.readLine() + "]");
//
// writer3.write(mail.getTitle());
// writer3.flush();
//
// writer3.write(".\r\n");
// writer3.flush();
// logger.log(Level.INFO,"t[" + reader2.readLine() + "]");
//
// writer3.write("QUIT\r\n");
// writer3.flush();
// logger.log(Level.INFO,"t[" + reader2.readLine() + "]");
//
// reader2.close();
// writer3.close();
// } else {
logger.log(Level.INFO, "mailFrom:" + fromMailAddress);
writer.write("MAIL FROM: <" + fromMailAddress + ">\r\n"); // MAIL FROM:
writer.flush();
logger.log(Level.INFO, "t[" + reader.readLine() + "]");
writer.write("RCPT TO: <" + toMailAddress + ">\r\n"); // RCPT TO:
writer.flush();
logger.log(Level.INFO, "t[" + reader.readLine() + "]");
writer.write("DATA\r\n"); // DATA
writer.flush();
logger.log(Level.INFO, "t[" + reader.readLine() + "]");
writer.write(data);
writer.flush();
writer.write(".\r\n");
writer.flush();
logger.log(Level.INFO, "t[" + reader.readLine() + "]");
writer.write("QUIT\r\n");
writer.flush();
logger.log(Level.INFO, "t[" + reader.readLine() + "]");
// }
}
logger.log(Level.INFO, "mx!:" + toHost);
}
static final String charset = "UTF-8";
static final String encoding = "base64";
/**
* 既存のメールデータを送信する.
*
* @param fromHost 送信元ホスト名
* @param toHost 送信先ホスト名
* @param toMailAddress 送信先Eメールアドレス
* @param data 送信データ
* @throws Exception
*/
public static void sendMail(
String fromHost,
String toHost,
String toMailAddress,
String data,
File dkimPrivateKeyFile,
String selector)
throws Exception {
try {
logger.log(Level.INFO, "fromHost[" + fromHost + "]");
logger.log(Level.INFO, "toHost[" + toHost + "]");
logger.log(Level.INFO, "toMailAddress[" + toMailAddress + "]");
Properties props = new Properties();
props.put("mail.smtp.host", toHost);
props.put("mail.smtp.port", 25);
props.put("mail.smtp.auth", "false");
props.put("mail.smtp.starttls.enable", true);
props.put("mail.smtp.ssl.trust", toHost);
props.put("mail.smtp.ssl.protocols", "TLSv1.2");
props.put("mail.smtp.connectiontimeout", "20000");
props.put("mail.smtp.timeout", "200000");
Session session = Session.getInstance(props);
MimeMessage message =
new MimeMessage(session, new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8)));
if (dkimPrivateKeyFile != null) {
addDKIMHeader(message, fromHost, dkimPrivateKeyFile, selector);
}
Transport.send(message, new Address[] {new InternetAddress(toMailAddress)});
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
static void addDKIMHeader(
MimeMessage message, String fromHost, File privateKeyFile, String selector) throws Exception {
message.addHeader(
"DKIM-Signature",
new DkimBuilder()
.message(message)
.fromHost(fromHost)
.privateKeyFile(privateKeyFile)
.selector(selector)
.build());
}
/**
* STARTTLSを許可してメールを送信する.
*
* @param fromHost 送信元ホスト名
* @param fromMailAddress 送信元Eメールアドレス
* @param toHost 送信先ホスト名
* @param toMailAddress 送信先Eメールアドレス
* @param subject 件名
* @param content 本文
* @throws UnknownHostException ホストが見つからない場合
* @throws IOException 通信エラーの場合
*/
public static void sendMail(
String fromHost,
String fromMailAddress,
String toHost,
String toMailAddress,
String subject,
String content)
throws UnknownHostException, IOException {
try {
logger.log(Level.INFO, "fromHost[" + fromHost + "]");
logger.log(Level.INFO, "fromMailAddress[" + fromMailAddress + "]");
logger.log(Level.INFO, "toHost[" + toHost + "]");
logger.log(Level.INFO, "toMailAddress[" + toMailAddress + "]");
logger.log(Level.INFO, "subject[" + subject + "]");
logger.log(Level.INFO, "content[" + content + "]");
Properties props = new Properties();
props.put("mail.smtp.host", toHost);
props.put("mail.smtp.port", 25);
props.put("mail.smtp.auth", "false");
props.put("mail.smtp.starttls.enable", true);
props.put("mail.smtp.ssl.trust", toHost);
props.put("mail.smtp.connectiontimeout", "20000");
props.put("mail.smtp.timeout", "200000");
Session session = Session.getInstance(props);
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(fromMailAddress));
message.setReplyTo(new Address[] {new InternetAddress(fromMailAddress)});
message.setRecipient(Message.RecipientType.TO, new InternetAddress(toMailAddress));
message.setSubject(subject, charset);
message.setText(content, charset);
message.setHeader("Content-Transfer-Encoding", encoding);
Transport.send(message);
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
}
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