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package com.ybw.mathapp.service;
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import com.ybw.mathapp.config.EmailConfig;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Properties;
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import java.util.Random;
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//import javax.mail.*;
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//import javax.mail.internet.*;
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public class EmailService {
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private static Map<String, VerificationCodeInfo> verificationCodes = new HashMap<>();
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private static class VerificationCodeInfo {
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String code;
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long timestamp;
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VerificationCodeInfo(String code, long timestamp) {
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this.code = code;
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this.timestamp = timestamp;
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}
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}
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public static String generateVerificationCode() {
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Random random = new Random();
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int code = 100000 + random.nextInt(900000);
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return String.valueOf(code);
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}
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public static boolean sendVerificationCode(String recipientEmail, String code) {
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/*
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try {
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// 创建邮件会话
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Properties props = new Properties();
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props.put("mail.smtp.host", EmailConfig.SMTP_HOST);
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props.put("mail.smtp.port", EmailConfig.SMTP_PORT);
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props.put("mail.smtp.auth", "true");
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props.put("mail.smtp.starttls.enable", "true");
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// 创建认证器
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Authenticator auth = new Authenticator() {
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protected PasswordAuthentication getPasswordAuthentication() {
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return new PasswordAuthentication(
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EmailConfig.SENDER_EMAIL,
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EmailConfig.SENDER_PASSWORD
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);
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}
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};
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Session session = Session.getInstance(props, auth);
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// 创建邮件消息
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Message message = new MimeMessage(session);
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message.setFrom(new InternetAddress(EmailConfig.SENDER_EMAIL));
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message.setRecipients(Message.RecipientType.TO,
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InternetAddress.parse(recipientEmail));
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message.setSubject(EmailConfig.EMAIL_SUBJECT);
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// 创建邮件内容
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String emailContent = createEmailContent(code);
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message.setContent(emailContent, "text/html; charset=utf-8");
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// 发送邮件
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Transport.send(message);
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// 存储验证码信息
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verificationCodes.put(recipientEmail,
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new VerificationCodeInfo(code, System.currentTimeMillis()));
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System.out.println("验证码已发送到邮箱: " + recipientEmail);
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return true;
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} catch (Exception e) {
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System.err.println("发送邮件失败: " + e.getMessage());
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// 在开发环境中，直接返回true用于测试
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verificationCodes.put(recipientEmail,
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new VerificationCodeInfo(code, System.currentTimeMillis()));
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return true;
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}
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*/
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return true;
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}
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private static String createEmailContent(String code) {
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return "<!DOCTYPE html>" +
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"<html>" +
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"<head>" +
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"<meta charset='UTF-8'>" +
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"<style>" +
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"body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }" +
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".container { max-width: 600px; margin: 0 auto; padding: 20px; }" +
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".header { background-color: #4CAF50; color: white; padding: 20px; text-align: center; }" +
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".content { padding: 20px; background-color: #f9f9f9; margin: 20px 0; }" +
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".code { font-size: 24px; font-weight: bold; color: #4CAF50; text-align: center; padding: 15px; background-color: white; border: 2px dashed #4CAF50; margin: 20px 0; }" +
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".footer { text-align: center; color: #666; font-size: 12px; }" +
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"</style>" +
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"</head>" +
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"<body>" +
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"<div class='container'>" +
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"<div class='header'>" +
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"<h2>数学学习软件 - 注册验证码</h2>" +
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"</div>" +
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"<div class='content'>" +
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"<p>您好！</p>" +
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"<p>您正在注册数学学习软件账户，验证码如下：</p>" +
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"<div class='code'>" + code + "</div>" +
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"<p>验证码有效期为 " + EmailConfig.CODE_EXPIRY_MINUTES + " 分钟，请勿泄露给他人。</p>" +
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"<p>如果这不是您本人的操作，请忽略此邮件。</p>" +
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"</div>" +
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"<div class='footer'>" +
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"<p>此邮件为系统自动发送，请勿回复。</p>" +
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"</div>" +
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"</div>" +
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"</body>" +
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"</html>";
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}
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public static boolean verifyCode(String email, String inputCode) {
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VerificationCodeInfo codeInfo = verificationCodes.get(email);
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if (codeInfo == null) {
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return false;
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}
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// 检查验证码是否过期
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long currentTime = System.currentTimeMillis();
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if (currentTime - codeInfo.timestamp > EmailConfig.CODE_EXPIRY_MINUTES * 60 * 1000) {
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verificationCodes.remove(email);
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return false;
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}
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return codeInfo.code.equals(inputCode);
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}
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public static void cleanupExpiredCodes() {
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long currentTime = System.currentTimeMillis();
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Iterator<Entry<String, VerificationCodeInfo>> iterator =
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verificationCodes.entrySet().iterator();
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while (iterator.hasNext()) {
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Map.Entry<String, VerificationCodeInfo> entry = iterator.next();
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if (currentTime - entry.getValue().timestamp >
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EmailConfig.CODE_EXPIRY_MINUTES * 60 * 1000) {
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iterator.remove();
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}
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}
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}
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} |
