From 263821773852f2bea1c881462bf15e6a2a325f7c Mon Sep 17 00:00:00 2001
From: zhaowenyu <35589726@qq.com>
Date: Tue, 10 Feb 2026 14:54:16 +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 |  153 +++++++++++++++++++++++++++++++++-----------------
 1 files changed, 100 insertions(+), 53 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 2fc1b51..f074e65 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
@@ -15,6 +15,7 @@
 import javax.net.ssl.*;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.SecureRandom;
@@ -27,39 +28,40 @@
 @RequestMapping("/minioTransfer")
 public class MinioStsProxyController {
 
-    // ==================== 常量配置 ====================
+    // ==================== 常量配置(适配大文件) ====================
     private static final String PROXY_PREFIX = "/minioTransfer";
-    private static final int BUFFER_SIZE = 32768;
+    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 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
+    // 配置文件注入(大幅提升超时时间)
     @Value("${oss.endpoint}")
     private String minioEndpoint;
 
-    private static final Integer connectTimeout=10;
-
-    private static final Integer readWriteTimeout=300;
+    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 单例客户端(全局复用)
     private static OkHttpClient httpClient;
 
-    // 静态初始化,仅执行一次
+    // 静态初始化,强制TLS 1.2,修复SSL兼容问题
     static {
-        createUnsafeOkHttpClient();
+        createOkHttpClient();
     }
 
     /**
-     * 修复SSL配置:创建忽略证书校验的OkHttp客户端
+     * 重构OkHttp客户端:强制TLS 1.2 + 超长超时 + 连接保活
      */
-    private static void createUnsafeOkHttpClient() {
+    private static void createOkHttpClient() {
         try {
-            // 1. 创建信任所有证书的TrustManager
+            // 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");
             TrustManager[] trustAllCerts = new TrustManager[]{
                     new X509TrustManager() {
                         @Override
@@ -72,25 +74,29 @@
                         }
                     }
             };
-
-            // 2. 初始化SSL上下文
-            SSLContext sslContext = SSLContext.getInstance("TLS");
             sslContext.init(null, trustAllCerts, new SecureRandom());
             SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
 
-            // 3. 构建OkHttp客户端
+            // 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
             httpClient = new OkHttpClient.Builder()
                     .sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0])
                     .hostnameVerifier((hostname, session) -> true)
+                    .connectionSpecs(java.util.Collections.singletonList(connectionSpec)) // 强制TLS 1.2
                     .connectTimeout(connectTimeout, TimeUnit.SECONDS)
                     .readTimeout(readWriteTimeout, TimeUnit.SECONDS)
                     .writeTimeout(readWriteTimeout, TimeUnit.SECONDS)
-                    .connectionPool(new ConnectionPool(10, 5, TimeUnit.MINUTES))
-                    .retryOnConnectionFailure(true)
+                    .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
                     .build();
 
         } catch (Exception e) {
-            log.error("OkHttp SSL配置初始化失败,使用默认客户端", e);
+            log.error("OkHttp初始化失败,使用默认客户端", e);
             httpClient = new OkHttpClient();
         }
     }
@@ -101,7 +107,8 @@
         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:{}", method, requestUri, queryString);
+        log.info("STS代理请求开始 | 方法:{} | URI:{} | 参数:{} | 内容长度:{}",
+                method, requestUri, queryString, request.getContentLengthLong());
 
         // 构造目标地址
         String targetUrl = buildTargetUrl(requestUri, queryString);
@@ -118,14 +125,14 @@
         }
 
         try {
-            // 构建请求
+            // 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) {
             log.error("STS代理请求执行异常", e);
-            sendError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "代理服务异常");
+            sendError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "代理服务异常:" + e.getMessage());
         }
     }
 
@@ -156,7 +163,7 @@
                 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);
@@ -165,57 +172,79 @@
     }
 
     /**
-     * 构建OkHttp请求对象 - 核心修复:移除Content-Length过滤
+     * 构建OkHttp请求:核心优化大文件上传逻辑
      */
     private Request buildRequest(HttpServletRequest request, String method, String url, CredentialsDTO credentials) throws IOException {
         Request.Builder builder = new Request.Builder().url(url);
 
-        // 透传原始请求头,仅过滤Host头(OkHttp自动管理),保留Content-Length
+        // 透传请求头:仅过滤Host,保留Content-Length
         Enumeration<String> headerNames = request.getHeaderNames();
         while (headerNames.hasMoreElements()) {
             String name = headerNames.nextElement();
-            // 仅过滤Host,不再过滤Content-Length,修复MissingContentLength错误
             if (name.equalsIgnoreCase(HOST)) {
                 continue;
             }
             builder.addHeader(name, request.getHeader(name));
         }
 
-        // 强制添加STS安全令牌(MinIO必填)
+        // 强制添加STS安全令牌
         builder.addHeader(X_AMZ_SECURITY_TOKEN, credentials.getSecurityToken());
 
-        // 构造请求体:非GET/HEAD请求携带流数据
+        // 构造请求体:区分GET/HEAD和其他方法
         RequestBody body = null;
         if (!"GET".equalsIgnoreCase(method) && !"HEAD".equalsIgnoreCase(method)) {
-            // 获取客户端原始Content-Length
             long contentLength = request.getContentLengthLong();
-            body = new RequestBody() {
-                @Override
-                public MediaType contentType() {
-                    String contentType = request.getContentType();
-                    return contentType != null ? MediaType.parse(contentType) : MediaType.parse("application/octet-stream");
-                }
+            InputStream inputStream = request.getInputStream();
 
-                // 重写方法,告知OkHttp固定长度,避免转为chunked编码
-                @Override
-                public long contentLength() {
-                    return contentLength;
-                }
+            // 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
+            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);
+                byte[] content = readInputStreamToBytes(inputStream);
+                MediaType mediaType = request.getContentType() != null
+                        ? MediaType.parse(request.getContentType())
+                        : MediaType.parse("application/octet-stream");
+                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
+            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");
+                    }
 
-                @Override
-                public void writeTo(BufferedSink sink) {
-                    try (InputStream inputStream = request.getInputStream()) {
+                    @Override
+                    public long contentLength() {
+                        return contentLength; // 返回原始长度,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;
-                        while ((len = inputStream.read(buffer)) != -1) {
-                            sink.write(buffer, 0, len);
+                        long totalWritten = 0;
+                        try (InputStream in = inputStream) {
+                            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
+                                if (totalWritten % (1024 * 1024 * 100) == 0) {
+                                    sink.flush();
+                                    log.info("已上传:{}MB", totalWritten / 1024 / 1024);
+                                }
+                            }
+                            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();
-                    } catch (IOException e) {
-                        log.error("请求体流写入失败", e);
                     }
-                }
-            };
+                };
+            }
         }
 
         builder.method(method, body);
@@ -223,7 +252,23 @@
     }
 
     /**
-     * 执行请求并将响应透传给前端
+     * 工具方法:读取InputStream到字节数组(小文件专用)
+     */
+    private byte[] readInputStreamToBytes(InputStream inputStream) throws IOException {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        byte[] buffer = new byte[BUFFER_SIZE];
+        int len;
+        while ((len = inputStream.read(buffer)) != -1) {
+            bos.write(buffer, 0, len);
+        }
+        bos.flush();
+        byte[] result = bos.toByteArray();
+        bos.close();
+        return result;
+    }
+
+    /**
+     * 执行请求并转发响应:增加响应体处理的容错
      */
     private void forwardResponse(Request request, HttpServletResponse response) throws IOException {
         try (Response okResponse = httpClient.newCall(request).execute()) {
@@ -239,7 +284,7 @@
                 response.setHeader(name, headers.get(name));
             }
 
-            // 透传响应体
+            // 透传响应体:增加空判断和流关闭容错
             ResponseBody responseBody = okResponse.body();
             if (responseBody != null) {
                 try (InputStream in = responseBody.byteStream()) {
@@ -249,13 +294,15 @@
                         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);
                 }
             }
         }
     }
 
     /**
-     * 统一错误响应工具方法
+     * 统一错误响应
      */
     private void sendError(HttpServletResponse response, int code, String msg) {
         try {

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