211 lines
8.6 KiB
Plaintext
211 lines
8.6 KiB
Plaintext
package Sdf1_login;
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import javax.net.ssl.SSLSocket;
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import javax.net.ssl.SSLSocketFactory;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.io.PrintWriter;
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import java.net.Socket;
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import java.util.Base64;
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import java.util.logging.Logger;
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public class EmailManager {
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private final ConfigManager config;
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private final Logger logger;
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/**
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* 发送SMTP验证码
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*/
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public boolean sendVerifyCode(String to, String code) {
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if (!isConfigured()) {
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plugin.getLogger().severe(
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"[Sdf1_login] SMTP未配置完整，"
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+ "请检查SMTP设置.txt");
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return false;
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}
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String subject =
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"[Sdf1_login] SMTP配置验证码";
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String body = "您的SMTP配置验证码是: "
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+ code + "\n"
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+ "验证码5分钟内有效。\n"
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+ "如非本人操作请忽略此邮件。";
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try {
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return sendEmail(to, subject, body);
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} catch (Exception e) {
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plugin.getLogger().severe(
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"[Sdf1_login] 邮件发送异常: "
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+ e.getClass().getSimpleName()
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+ ": " + e.getMessage());
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if (e.getCause() != null) {
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plugin.getLogger().severe(
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"[Sdf1_login] 根因: "
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+ e.getCause().getMessage());
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}
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return false;
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}
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}
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public EmailManager(ConfigManager config) {
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this.config = config;
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this.logger = Logger.getLogger("Sdf1_login");
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}
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/**
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* 检查SMTP是否已配置
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*/
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public boolean isConfigured() {
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String host = config.getSmtp("smtp地址");
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String user = config.getSmtp("发件邮箱");
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String pass = config.getSmtp("授权码");
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return host != null && !host.isEmpty()
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&& user != null && !user.isEmpty()
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&& pass != null && !pass.isEmpty();
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}
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/**
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* 发送验证码，返回是否成功发起
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*/
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public boolean sendVerifyCode(String to, String player, String code) {
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if (!isConfigured()) {
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logger.warning("[Sdf1_login] SMTP未配置，无法发送验证码到 " + to);
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return false;
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}
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logger.info("[Sdf1_login] 发送验证码到 " + to + " (玩家: " + player + ")");
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return sendEmailSync(to, "Sdf1_login 验证码",
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"玩家 " + player + " 的验证码: " + code);
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}
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/**
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* 发送临时密码，返回是否成功发起
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*/
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public boolean sendTempPassword(String to, String player, String tempPwd) {
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if (!isConfigured()) {
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logger.warning("[Sdf1_login] SMTP未配置，无法发送临时密码到 " + to);
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return false;
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}
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logger.info("[Sdf1_login] 发送临时密码到 " + to + " (玩家: " + player + ")");
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return sendEmailSync(to, "Sdf1_login 临时密码",
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"玩家 " + player + " 的临时密码: " + tempPwd + "\n请尽快登录并修改密码！");
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}
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private boolean sendEmailSync(String to, String subject, String body) {
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final boolean[] result = {false};
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Thread t = new Thread(() -> {
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try {
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result[0] = sendEmail(to, subject, body);
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} catch (Exception e) {
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logger.severe("[Sdf1_login] 邮件线程异常: " + e.getMessage());
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}
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}, "Sdf1_login-SMTP");
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t.setDaemon(true);
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t.start();
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try { t.join(15000); } catch (InterruptedException ignored) {}
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if (t.isAlive()) {
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t.interrupt();
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logger.severe("[Sdf1_login] SMTP超时(15秒)");
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return false;
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}
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return result[0];
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}
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private boolean sendEmail(String to, String subject, String body) {
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String host = config.getSmtp("smtp地址");
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String portStr = config.getSmtp("smtp端口");
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String user = config.getSmtp("发件邮箱");
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String pass = config.getSmtp("授权码");
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String fromName = config.getSmtp("发件人名");
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int port;
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try { port = Integer.parseInt(portStr); } catch (Exception e) { port = 465; }
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try {
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String encSubject = "=?UTF-8?B?" + Base64.getEncoder().encodeToString(subject.getBytes("UTF-8")) + "?=";
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String encBody = Base64.getEncoder().encodeToString(body.getBytes("UTF-8"));
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if (port == 465) {
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SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault();
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SSLSocket socket = (SSLSocket) factory.createSocket(host, port);
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socket.setSoTimeout(10000);
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doSmtp(socket, host, user, pass, to, encSubject, encBody, fromName);
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socket.close();
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} else {
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Socket plainSocket = new Socket(host, port);
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plainSocket.setSoTimeout(10000);
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BufferedReader preReader = new BufferedReader(new InputStreamReader(plainSocket.getInputStream(), "UTF-8"));
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PrintWriter preWriter = new PrintWriter(plainSocket.getOutputStream(), true);
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checkResponse(preReader, "220");
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sendLine(preWriter, "EHLO " + host);
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checkResponse(preReader, "250");
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sendLine(preWriter, "STARTTLS");
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checkResponse(preReader, "220");
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SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault();
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SSLSocket sslSocket = (SSLSocket) factory.createSocket(plainSocket, host, port, true);
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sslSocket.startHandshake();
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doSmtp(sslSocket, host, user, pass, to, encSubject, encBody, fromName);
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sslSocket.close();
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}
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logger.info("[Sdf1_login] 邮件发送成功 -> " + to);
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return true;
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} catch (Exception e) {
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logger.severe("[Sdf1_login] 邮件异常: " + e.getMessage());
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return false;
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}
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}
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private void doSmtp(SSLSocket socket, String host, String user, String pass,
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String to, String subject, String body, String fromName) throws Exception {
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BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8"));
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OutputStream rawOut = socket.getOutputStream();
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PrintWriter writer = new PrintWriter(new java.io.BufferedOutputStream(rawOut), true);
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checkResponse(reader, "220");
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sendLine(writer, "EHLO " + host);
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checkResponse(reader, "250");
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sendLine(writer, "AUTH LOGIN");
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checkResponse(reader, "334");
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sendLine(writer, Base64.getEncoder().encodeToString(user.getBytes("UTF-8")));
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checkResponse(reader, "334");
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sendLine(writer, Base64.getEncoder().encodeToString(pass.getBytes("UTF-8")));
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checkResponse(reader, "235");
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sendLine(writer, "MAIL FROM:<" + user + ">");
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checkResponse(reader, "250");
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sendLine(writer, "RCPT TO:<" + to + ">");
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checkResponse(reader, "250");
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sendLine(writer, "DATA");
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checkResponse(reader, "354");
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sendLine(writer, "From: " + fromName + " <" + user + ">");
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sendLine(writer, "To: <" + to + ">");
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sendLine(writer, "Reply-To: <" + user + ">");
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sendLine(writer, "Subject: " + subject);
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sendLine(writer, "MIME-Version: 1.0");
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sendLine(writer, "Content-Type: text/plain; charset=UTF-8");
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sendLine(writer, "Content-Transfer-Encoding: base64");
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sendLine(writer, "");
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sendLine(writer, body);
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sendLine(writer, ".");
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checkResponse(reader, "250");
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sendLine(writer, "QUIT");
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}
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private void sendLine(PrintWriter writer, String line) {
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writer.print(line + "\r\n");
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writer.flush();
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}
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private void checkResponse(BufferedReader reader, String expected) throws Exception {
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StringBuilder sb = new StringBuilder();
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String line;
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while ((line = reader.readLine()) != null) {
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sb.append(line).append("\n");
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if (line.length() >= 4 && Character.isDigit(line.charAt(0)) && line.charAt(3) == ' ') break;
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}
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String resp = sb.toString().trim();
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if (!resp.startsWith(expected)) {
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if (resp.startsWith("535")) logger.severe("[Sdf1_login] SMTP 535 认证失败");
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throw new Exception("SMTP响应异常: 期望 " + expected + "，实际: " + resp);
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}
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}
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}
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