com.github.zj.dreamly.mail.util.EmailSender Maven / Gradle / Ivy

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package com.github.zj.dreamly.mail.util;

import com.github.zj.dreamly.mail.exception.MailCustomException;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;

import java.io.File;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.Date;
import java.util.Properties;

/**
 * EmailSender
 *
 * @author: 苍海之南
 * @since: 2019-09-04 17:03
 **/
public class EmailSender {
	private static final String UTF8 = "UTF-8";

	/**
	 * 发送邮件
	 *
	 * @param username        发件人地址
	 * @param password        密码/授权码
	 * @param title           主题
	 * @param receiver        收件人地址
	 * @param content         邮件内容
	 * @param mailSploitName  回复人昵称
	 * @param mailSploitEmail 回复人地址
	 * @param file            附件
	 * @param host            主机地址
	 * @param port            主机端口
	 * @param socksProxyHost  代理主机地址
	 * @param socksProxyPort  代理主机端口
	 * @throws MailCustomException see {@link MailCustomException}
	 */
	public static void sendEmail(String username, String password,
								 String title, String receiver, String content,
								 String mailSploitName,
								 String mailSploitEmail, File file, String host, Integer port,
								 String socksProxyHost, Integer socksProxyPort
	) throws MailCustomException {
		try {
			final HtmlEmail multiPartEmail = buildMultiPartEmail(username,
				password, title, receiver, content, mailSploitName,
				mailSploitEmail, host, port);
			multiPartEmail.attach(file);
			Properties properties = multiPartEmail.getMailSession().getProperties();
			properties.setProperty("mail.smtp.socks.host", socksProxyHost);
			properties.put("mail.smtp.socks.port", socksProxyPort);
			multiPartEmail.send();
		} catch (EmailException e) {
			e.printStackTrace();
			throw new MailCustomException(String.format("【发送邮件】失败，原始信息:【%s】",
				e.getMessage()));
		}
	}

	/**
	 * 发送邮件
	 *
	 * @param username        发件人地址
	 * @param password        密码/授权码
	 * @param title           主题
	 * @param receiver        收件人地址
	 * @param content         邮件内容
	 * @param mailSploitName  回复人昵称
	 * @param mailSploitEmail 回复人地址
	 * @param host            主机地址
	 * @param port            主机端口
	 * @throws MailCustomException see {@link MailCustomException}
	 */
	public static void sendEmail(String username, String password,
								 String title, String receiver, String content,
								 String mailSploitName,
								 String mailSploitEmail, String host, Integer port

	) throws MailCustomException {
		try {
			final HtmlEmail multiPartEmail = buildMultiPartEmail(username,
				password, title, receiver, content, mailSploitName,
				mailSploitEmail, host, port);
			multiPartEmail.send();
		} catch (EmailException e) {
			e.printStackTrace();
			throw new MailCustomException(String.format("【发送邮件】失败，原始信息:【%s】",
				e.getMessage()));
		}
	}

	private static HtmlEmail buildMultiPartEmail(String username, String password,
												 String title, String receiver, String content,
												 String mailSploitName,
												 String mailSploitEmail, String host, Integer port) throws EmailException {
		HtmlEmail multiPartEmail = new HtmlEmail();
		multiPartEmail.setBoolHasAttachments(true);
		multiPartEmail.setAuthentication(username, password);
		multiPartEmail.setCharset(UTF8);
		multiPartEmail.addTo(receiver);
		multiPartEmail.setSmtpPort(port);
		multiPartEmail.setHostName(host);
		multiPartEmail.setSSLOnConnect(true);
		multiPartEmail.setSentDate(new Date());
		multiPartEmail.setSubject(title);
		multiPartEmail.setHtmlMsg(content);

		if (StringUtils.isAnyEmpty(mailSploitEmail, mailSploitName)) {
			multiPartEmail.setFrom(username);
		} else {
			Base64.Encoder encoder = Base64.getEncoder();
			multiPartEmail.setFrom(username, "=?utf-8?b?" +
				encoder.encodeToString(mailSploitName.getBytes(StandardCharsets.UTF_8)) +
				"?==?utf-8?Q?=00?==?utf-8?b?" + encoder.encodeToString(String.format("(%s)",
				mailSploitEmail).getBytes(StandardCharsets.UTF_8)) + "?="
				+ String.format("<%s>", mailSploitEmail));
			multiPartEmail.addReplyTo(mailSploitEmail);
		}

		return multiPartEmail;
	}
}