From b0a4ce6982a3b3694679f69c39c59df84ecdcb06 Mon Sep 17 00:00:00 2001
From: zhaowenyu <35589726@qq.com>
Date: Wed, 11 Feb 2026 11:12:40 +0800
Subject: [PATCH] 2026-02-04 优化minio中转接口

---
 ard-admin/src/main/java/com/ard/web/controller/sample/media/MinioStsProxyController.java |  148 +++++++++++++++++++++----------------------------
 1 files changed, 64 insertions(+), 84 deletions(-)

diff --git a/ard-admin/src/main/java/com/ard/web/controller/sample/media/MinioStsProxyController.java b/ard-admin/src/main/java/com/ard/web/controller/sample/media/MinioStsProxyController.java
index f074e65..9f1f104 100644
--- a/ard-admin/src/main/java/com/ard/web/controller/sample/media/MinioStsProxyController.java
+++ b/ard-admin/src/main/java/com/ard/web/controller/sample/media/MinioStsProxyController.java
@@ -19,6 +19,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.SecureRandom;
+import java.security.cert.X509Certificate;
 import java.util.Enumeration;
 import java.util.concurrent.TimeUnit;
 
@@ -28,73 +29,59 @@
 @RequestMapping("/minioTransfer")
 public class MinioStsProxyController {
 
-    // ==================== 常量配置(适配大文件) ====================
+    // ==================== 常量配置 ====================
     private static final String PROXY_PREFIX = "/minioTransfer";
-    private static final int BUFFER_SIZE = 65536; // 64K缓冲区,提升大文件传输效率
-    private static final long MAX_MEMORY_SIZE = 1024 * 1024 * 100; // 100MB,超过则用流式
+    private static final int BUFFER_SIZE = 65536; // 64K缓冲区
+    private static final long MAX_MEMORY_SIZE = 1024 * 1024 * 100; // 100MB
     private static final String X_AMZ_SECURITY_TOKEN = "X-Amz-Security-Token";
     private static final String TRANSFER_ENCODING = "Transfer-Encoding";
-    private static final String CONTENT_LENGTH = "Content-Length";
     private static final String HOST = "Host";
 
-    // 配置文件注入(大幅提升超时时间)
+    // 配置注入
     @Value("${oss.endpoint}")
     private String minioEndpoint;
-
-    private static final Integer connectTimeout=30;
-    private static final Integer readWriteTimeout=1800;
+    private static final Integer connectTimeout = 30;
+    private static final Integer readWriteTimeout = 1800;
 
     @Autowired
     private OssServiceContext ossService;
 
-    // OkHttp 单例客户端(全局复用)
+    // OkHttp客户端(全局单例,极简配置)
     private static OkHttpClient httpClient;
 
-    // 静态初始化,强制TLS 1.2,修复SSL兼容问题
+    // 静态初始化:仅做最必要的SSL配置,避免过度封装
     static {
-        createOkHttpClient();
-    }
-
-    /**
-     * 重构OkHttp客户端:强制TLS 1.2 + 超长超时 + 连接保活
-     */
-    private static void createOkHttpClient() {
         try {
-            // 1. 强制使用TLS 1.2,解决SSL版本不兼容导致的连接重置
-            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
+            // 1. 全局禁用SSL证书校验(内网环境专用)
             TrustManager[] trustAllCerts = new TrustManager[]{
                     new X509TrustManager() {
                         @Override
-                        public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {}
+                        public void checkClientTrusted(X509Certificate[] chain, String authType) {}
                         @Override
-                        public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {}
+                        public void checkServerTrusted(X509Certificate[] chain, String authType) {}
                         @Override
-                        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
-                            return new java.security.cert.X509Certificate[0];
-                        }
+                        public X509Certificate[] getAcceptedIssuers() { return new X509Certificate[0]; }
                     }
             };
+
+            // 2. 强制TLS 1.2
+            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
             sslContext.init(null, trustAllCerts, new SecureRandom());
-            SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
 
-            // 2. 配置连接工厂,强制TLS 1.2
-            ConnectionSpec connectionSpec = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
-                    .tlsVersions(TlsVersion.TLS_1_2)
-                    .build();
-
-            // 3. 构建客户端,增加连接保活和重试
+            // 3. 构建OkHttp客户端(原生配置,无自定义封装)
             httpClient = new OkHttpClient.Builder()
-                    .sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0])
-                    .hostnameVerifier((hostname, session) -> true)
-                    .connectionSpecs(java.util.Collections.singletonList(connectionSpec)) // 强制TLS 1.2
+                    .sslSocketFactory(sslContext.getSocketFactory(), (X509TrustManager) trustAllCerts[0])
+                    .hostnameVerifier((hostname, session) -> true) // 禁用主机名校验
                     .connectTimeout(connectTimeout, TimeUnit.SECONDS)
                     .readTimeout(readWriteTimeout, TimeUnit.SECONDS)
                     .writeTimeout(readWriteTimeout, TimeUnit.SECONDS)
-                    .connectionPool(new ConnectionPool(20, 10, TimeUnit.MINUTES)) // 更大的连接池
-                    .retryOnConnectionFailure(true) // 开启连接失败重试
-                    .pingInterval(30, TimeUnit.SECONDS) // TCP保活,防止连接被断开
+                    .connectionPool(new ConnectionPool(20, 10, TimeUnit.MINUTES))
+                    .retryOnConnectionFailure(true) // 开启重试
+                    .pingInterval(10, TimeUnit.SECONDS) // TCP保活
+                    .callTimeout(60, TimeUnit.SECONDS) // 全局调用超时
                     .build();
 
+            log.info("OkHttp客户端初始化完成(极简SSL配置)");
         } catch (Exception e) {
             log.error("OkHttp初始化失败,使用默认客户端", e);
             httpClient = new OkHttpClient();
@@ -107,27 +94,27 @@
         String method = request.getMethod();
         String requestUri = request.getRequestURI();
         String queryString = request.getQueryString();
-        log.info("STS代理请求开始 | 方法:{} | URI:{} | 参数:{} | 内容长度:{}",
-                method, requestUri, queryString, request.getContentLengthLong());
+        long contentLength = request.getContentLengthLong();
+        log.info("STS代理请求开始 | 方法:{} | URI:{} | 参数:{} | 内容长度:{}B",
+                method, requestUri, queryString, contentLength);
 
-        // 构造目标地址
+        // 1. 构造目标地址
         String targetUrl = buildTargetUrl(requestUri, queryString);
         if (targetUrl == null) {
             sendError(response, HttpServletResponse.SC_BAD_REQUEST, "请求路径非法");
             return;
         }
 
-        // 获取STS凭证
+        // 2. 获取STS凭证
         CredentialsDTO credentials = getCredentials();
         if (credentials == null) {
             sendError(response, HttpServletResponse.SC_FORBIDDEN, "STS凭证无效");
             return;
         }
 
+        // 3. 构建并执行请求
         try {
-            // 构建请求(区分大/小文件上传方式)
             Request okRequest = buildRequest(request, method, targetUrl, credentials);
-            // 执行并转发响应
             forwardResponse(okRequest, response);
             log.info("STS代理请求成功 | 目标地址:{}", targetUrl);
         } catch (Exception e) {
@@ -137,7 +124,7 @@
     }
 
     /**
-     * 构造MinIO请求地址
+     * 构造MinIO目标地址
      */
     private String buildTargetUrl(String requestUri, String queryString) {
         try {
@@ -154,7 +141,7 @@
     }
 
     /**
-     * 获取并校验STS临时凭证
+     * 获取并校验STS凭证
      */
     private CredentialsDTO getCredentials() {
         try {
@@ -163,7 +150,7 @@
                 log.error("STS凭证核心字段缺失");
                 return null;
             }
-            log.info("STS凭证获取成功 | AK前缀:{}", dto.getAccessKeyId());  //.substring(0, 4) + "***"
+            log.info("STS凭证获取成功 | AK前缀:{}", dto.getAccessKeyId().substring(0, 4) + "***");
             return dto;
         } catch (Exception e) {
             log.error("获取STS凭证异常", e);
@@ -172,57 +159,52 @@
     }
 
     /**
-     * 构建OkHttp请求:核心优化大文件上传逻辑
+     * 构建OkHttp请求(核心:分文件大小处理)
      */
     private Request buildRequest(HttpServletRequest request, String method, String url, CredentialsDTO credentials) throws IOException {
         Request.Builder builder = new Request.Builder().url(url);
 
-        // 透传请求头:仅过滤Host,保留Content-Length
+        // 透传请求头:仅过滤Host(OkHttp自动处理)
         Enumeration<String> headerNames = request.getHeaderNames();
         while (headerNames.hasMoreElements()) {
             String name = headerNames.nextElement();
-            if (name.equalsIgnoreCase(HOST)) {
-                continue;
+            if (!name.equalsIgnoreCase(HOST)) {
+                builder.addHeader(name, request.getHeader(name));
             }
-            builder.addHeader(name, request.getHeader(name));
         }
 
-        // 强制添加STS安全令牌
+        // 添加STS安全令牌
         builder.addHeader(X_AMZ_SECURITY_TOKEN, credentials.getSecurityToken());
 
-        // 构造请求体:区分GET/HEAD和其他方法
+        // 构建请求体(GET/HEAD无请求体)
         RequestBody body = null;
         if (!"GET".equalsIgnoreCase(method) && !"HEAD".equalsIgnoreCase(method)) {
-            long contentLength = request.getContentLengthLong();
             InputStream inputStream = request.getInputStream();
+            long contentLength = request.getContentLengthLong();
 
-            // 策略1:小文件(≤100MB)→ 预读取到字节数组,避免流式传输的连接不稳定
+            // 小文件:预读取到内存(稳定)
             if (contentLength > 0 && contentLength <= MAX_MEMORY_SIZE) {
-                log.info("小文件上传:预读取到内存,长度:{}MB", contentLength / 1024 / 1024);
+                log.info("小文件上传:预读取到内存,大小:{:.2f}MB", contentLength / 1024.0 / 1024.0);
                 byte[] content = readInputStreamToBytes(inputStream);
-                MediaType mediaType = request.getContentType() != null
-                        ? MediaType.parse(request.getContentType())
-                        : MediaType.parse("application/octet-stream");
+                MediaType mediaType = MediaType.parse(request.getContentType() == null ? "application/octet-stream" : request.getContentType());
                 body = RequestBody.create(content, mediaType);
             }
-            // 策略2:大文件/未知长度 → 流式上传,优化超时和缓冲区
+            // 大文件:流式上传(省内存)
             else {
                 log.info("大文件/未知长度上传:使用流式传输");
                 body = new RequestBody() {
                     @Override
                     public MediaType contentType() {
-                        String contentType = request.getContentType();
-                        return contentType != null ? MediaType.parse(contentType) : MediaType.parse("application/octet-stream");
+                        return MediaType.parse(request.getContentType() == null ? "application/octet-stream" : request.getContentType());
                     }
 
                     @Override
                     public long contentLength() {
-                        return contentLength; // 返回原始长度,避免chunked编码
+                        return contentLength; // 避免chunked编码
                     }
 
                     @Override
                     public void writeTo(BufferedSink sink) throws IOException {
-                        // 优化:增加异常捕获和重试逻辑
                         byte[] buffer = new byte[BUFFER_SIZE];
                         int len;
                         long totalWritten = 0;
@@ -230,29 +212,25 @@
                             while ((len = in.read(buffer)) != -1) {
                                 sink.write(buffer, 0, len);
                                 totalWritten += len;
-                                // 每写100MB刷新一次,防止缓冲区溢出
+                                // 每100MB刷新一次
                                 if (totalWritten % (1024 * 1024 * 100) == 0) {
                                     sink.flush();
-                                    log.info("已上传:{}MB", totalWritten / 1024 / 1024);
+                                    log.info("已上传:{:.2f}MB", totalWritten / 1024.0 / 1024.0);
                                 }
                             }
-                            sink.flush(); // 最终刷新
-                            log.info("流式上传完成,总写入:{}MB", totalWritten / 1024 / 1024);
-                        } catch (IOException e) {
-                            log.error("流式上传失败,已写入:{}MB", totalWritten / 1024 / 1024, e);
-                            throw e; // 抛出异常让上层处理
+                            sink.flush();
+                            log.info("流式上传完成,总写入:{:.2f}MB", totalWritten / 1024.0 / 1024.0);
                         }
                     }
                 };
             }
         }
 
-        builder.method(method, body);
-        return builder.build();
+        return builder.method(method, body).build();
     }
 
     /**
-     * 工具方法:读取InputStream到字节数组(小文件专用)
+     * 读取InputStream到字节数组(小文件专用)
      */
     private byte[] readInputStreamToBytes(InputStream inputStream) throws IOException {
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
@@ -268,23 +246,27 @@
     }
 
     /**
-     * 执行请求并转发响应:增加响应体处理的容错
+     * 转发MinIO响应到客户端
      */
     private void forwardResponse(Request request, HttpServletResponse response) throws IOException {
         try (Response okResponse = httpClient.newCall(request).execute()) {
-            // 设置响应状态码
+            // 配置响应头
             response.setStatus(okResponse.code());
+            response.setCharacterEncoding("UTF-8");
+            String contentType = okResponse.header("Content-Type");
+            if (contentType != null) {
+                response.setContentType(contentType);
+            }
 
             // 透传响应头
             Headers headers = okResponse.headers();
             for (String name : headers.names()) {
-                if (TRANSFER_ENCODING.equalsIgnoreCase(name)) {
-                    continue;
+                if (!name.equalsIgnoreCase(TRANSFER_ENCODING)) {
+                    response.setHeader(name, headers.get(name));
                 }
-                response.setHeader(name, headers.get(name));
             }
 
-            // 透传响应体:增加空判断和流关闭容错
+            // 透传响应体
             ResponseBody responseBody = okResponse.body();
             if (responseBody != null) {
                 try (InputStream in = responseBody.byteStream()) {
@@ -294,21 +276,19 @@
                         response.getOutputStream().write(buffer, 0, len);
                     }
                     response.getOutputStream().flush();
-                } catch (IOException e) {
-                    log.warn("响应体转发失败(客户端可能已断开连接)", e);
                 }
             }
         }
     }
 
     /**
-     * 统一错误响应
+     * 统一返回错误响应
      */
     private void sendError(HttpServletResponse response, int code, String msg) {
         try {
             response.sendError(code, msg);
         } catch (IOException e) {
-            log.error("响应错误信息失败", e);
+            log.error("发送错误响应失败", e);
         }
     }
 }
\ No newline at end of file

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