Java의 정보 공개 취약점 방지

String username = "user"; String password = "password"; // 对密码进行脱敏处理 String maskedPassword = "********"; // 将脱敏后的信息输出到日志 logger.info("用户名：" + username); logger.info("密码：" + maskedPassword);

URL url = new URL("https://www.example.com"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); // 设置HTTPS连接 HttpsURLConnection httpsConnection = (HttpsURLConnection) connection; httpsConnection.setHostnameVerifier(new HostnameVerifier() { public boolean verify(String hostname, SSLSession session) { // 验证服务器的证书 return true; } }); // 发送HTTP请求 httpsConnection.setRequestMethod("GET"); // 处理响应 int responseCode = httpsConnection.getResponseCode(); if (responseCode == HttpURLConnection.HTTP_OK) { // 读取响应数据 BufferedReader reader = new BufferedReader(new InputStreamReader(httpsConnection.getInputStream())); String line; StringBuilder response = new StringBuilder(); while ((line = reader.readLine()) != null) { response.append(line); } reader.close(); // 处理响应数据 System.out.println(response.toString()); } // 关闭连接 httpsConnection.disconnect();

ResultSet resultSet = statement.executeQuery("SELECT * FROM users"); // 输出查询结果 while (resultSet.next()) { String username = resultSet.getString("username"); String email = resultSet.getString("email"); double balance = resultSet.getDouble("balance"); // 对账户余额进行脱敏处理 String maskedBalance = "****"; // 将脱敏后的查询结果输出到网页或日志 System.out.println("用户名：" + username); System.out.println("邮箱：" + email); System.out.println("账户余额：" + maskedBalance); }