From a12665923c5ec933e2c92ea74135680cc8b3af4a Mon Sep 17 00:00:00 2001
From: zhaowenyu <35589726@qq.com>
Date: Wed, 11 Feb 2026 15:21:28 +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 |  149 +++++++++++++++++++++++++++++--------------------
 1 files changed, 89 insertions(+), 60 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 9f1f104..ca79c62 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
@@ -23,6 +23,10 @@
 import java.util.Enumeration;
 import java.util.concurrent.TimeUnit;
 
+/**
+ * MinIO STS代理控制器(适配分块上传全流程:初始化/传块/合并)
+ * 解决SSL连接重置、鉴权透传、分块合并XML透传问题
+ */
 @Api(tags = "机场上传minio")
 @Slf4j
 @RestController
@@ -32,12 +36,12 @@
     // ==================== 常量配置 ====================
     private static final String PROXY_PREFIX = "/minioTransfer";
     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 long MAX_MEMORY_SIZE = 1024 * 1024 * 100; // 100MB(小文件阈值)
     private static final String X_AMZ_SECURITY_TOKEN = "X-Amz-Security-Token";
     private static final String TRANSFER_ENCODING = "Transfer-Encoding";
     private static final String HOST = "Host";
 
-    // 配置注入
+    // 配置注入(支持yml配置,避免硬编码)
     @Value("${oss.endpoint}")
     private String minioEndpoint;
     private static final Integer connectTimeout = 30;
@@ -46,13 +50,13 @@
     @Autowired
     private OssServiceContext ossService;
 
-    // OkHttp客户端(全局单例,极简配置)
+    // OkHttp客户端(全局单例,优化SSL/TCP)
     private static OkHttpClient httpClient;
 
-    // 静态初始化:仅做最必要的SSL配置,避免过度封装
+    // 静态初始化:SSL/TCP优化(适配MinIO内网环境)
     static {
         try {
-            // 1. 全局禁用SSL证书校验(内网环境专用)
+            // 1. 全局信任所有SSL证书(内网专用,生产需替换合法证书)
             TrustManager[] trustAllCerts = new TrustManager[]{
                     new X509TrustManager() {
                         @Override
@@ -64,90 +68,113 @@
                     }
             };
 
-            // 2. 强制TLS 1.2
+            // 2. 强制TLS 1.2(解决MinIO SSL版本兼容问题)
             SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
             sslContext.init(null, trustAllCerts, new SecureRandom());
 
-            // 3. 构建OkHttp客户端(原生配置,无自定义封装)
+            // 3. 构建高兼容性OkHttp客户端
             httpClient = new OkHttpClient.Builder()
                     .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))
-                    .retryOnConnectionFailure(true) // 开启重试
-                    .pingInterval(10, TimeUnit.SECONDS) // TCP保活
-                    .callTimeout(60, TimeUnit.SECONDS) // 全局调用超时
+                    .connectTimeout(30, TimeUnit.SECONDS)
+                    .readTimeout(1800, TimeUnit.SECONDS) // 30分钟读超时(适配大文件)
+                    .writeTimeout(1800, TimeUnit.SECONDS) // 30分钟写超时
+                    .connectionPool(new ConnectionPool(30, 10, TimeUnit.MINUTES)) // 扩大连接池
+                    .retryOnConnectionFailure(true) // 开启连接重试
+                    .pingInterval(10, TimeUnit.SECONDS) // TCP保活(防止连接被重置)
+                    .callTimeout(60, TimeUnit.SECONDS)
                     .build();
 
-            log.info("OkHttp客户端初始化完成(极简SSL配置)");
+            log.info("OkHttp客户端初始化完成(适配MinIO分块上传)");
         } catch (Exception e) {
-            log.error("OkHttp初始化失败,使用默认客户端", e);
+            log.error("OkHttp初始化失败,降级为默认客户端", e);
             httpClient = new OkHttpClient();
         }
     }
 
-    @ApiOperation("MinIO STS临时凭证通用代理")
+    /**
+     * 核心代理方法:适配MinIO分块上传全流程(POST初始化/PUT传块/POST合并)
+     */
+    @ApiOperation("MinIO STS临时凭证通用代理(支持分块上传)")
     @RequestMapping("/**")
     public void proxyRequest(HttpServletRequest request, HttpServletResponse response) {
         String method = request.getMethod();
         String requestUri = request.getRequestURI();
         String queryString = request.getQueryString();
         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);
 
-        // 1. 构造目标地址
+        // 日志增强:区分分块上传阶段
+        String uploadStage = getUploadStage(queryString);
+        log.info("STS代理请求开始 | 阶段:{} | 方法:{} | URI:{} | 参数:{} | 内容长度:{}B",
+                uploadStage, method, requestUri, queryString, contentLength);
+
+        // 1. 构造MinIO目标地址
         String targetUrl = buildTargetUrl(requestUri, queryString);
         if (targetUrl == null) {
-            sendError(response, HttpServletResponse.SC_BAD_REQUEST, "请求路径非法");
+            sendError(response, HttpServletResponse.SC_BAD_REQUEST, "请求路径非法(缺失MinIO前缀)");
             return;
         }
 
-        // 2. 获取STS凭证
+        // 2. 获取并校验STS凭证(鉴权核心)
         CredentialsDTO credentials = getCredentials();
         if (credentials == null) {
-            sendError(response, HttpServletResponse.SC_FORBIDDEN, "STS凭证无效");
+            sendError(response, HttpServletResponse.SC_FORBIDDEN, "STS凭证无效/缺失");
             return;
         }
 
-        // 3. 构建并执行请求
+        // 3. 构建请求+转发响应(核心逻辑)
         try {
             Request okRequest = buildRequest(request, method, targetUrl, credentials);
             forwardResponse(okRequest, response);
-            log.info("STS代理请求成功 | 目标地址:{}", targetUrl);
+            log.info("STS代理请求成功 | 阶段:{} | 目标地址:{}", uploadStage, 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:" + e.getMessage());
+            log.error("STS代理请求执行异常 | 阶段:{}", uploadStage, e);
+            // 友好错误提示:区分SSL/分块/鉴权错误
+            String errorMsg = e.getMessage().contains("SSL") ? "SSL连接异常(请检查MinIO HTTPS配置)" :
+                    e.getMessage().contains("Credentials") ? "STS凭证异常" : "代理服务异常";
+            sendError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, errorMsg);
         }
     }
 
     /**
-     * 构造MinIO目标地址
+     * 识别分块上传阶段(日志优化)
+     */
+    private String getUploadStage(String queryString) {
+        if (queryString == null) return "普通请求";
+        if (queryString.contains("uploads") && !queryString.contains("uploadId")) return "分块初始化";
+        if (queryString.contains("partNumber") && queryString.contains("uploadId")) return "分块上传";
+        if (queryString.contains("uploadId") && !queryString.contains("partNumber")) return "分块合并";
+        return "普通请求";
+    }
+
+    /**
+     * 构造MinIO目标地址(兼容分块参数透传)
      */
     private String buildTargetUrl(String requestUri, String queryString) {
         try {
+            // 截取代理前缀后的路径(/minioTransfer/xxx → xxx)
             String targetPath = requestUri.substring(PROXY_PREFIX.length());
             StringBuilder urlBuilder = new StringBuilder(minioEndpoint).append(targetPath);
+            // 透传分块参数(uploads/uploadId/partNumber)
             if (queryString != null && !queryString.isBlank()) {
                 urlBuilder.append("?").append(queryString);
             }
             return urlBuilder.toString();
         } catch (Exception e) {
-            log.error("目标地址构造失败", e);
+            log.error("构造MinIO目标地址失败", e);
             return null;
         }
     }
 
     /**
-     * 获取并校验STS凭证
+     * 获取并校验STS凭证(确保AK/SK/Token完整)
      */
     private CredentialsDTO getCredentials() {
         try {
             CredentialsDTO dto = ossService.getCredentials();
-            if (dto == null || dto.getAccessKeyId() == null || dto.getSecurityToken() == null) {
-                log.error("STS凭证核心字段缺失");
+            // 严格校验核心字段(避免鉴权失败)
+            if (dto == null || dto.getAccessKeyId() == null || dto.getAccessKeySecret() == null || dto.getSecurityToken() == null) {
+                log.error("STS凭证核心字段缺失:AK/SK/Token不能为空");
                 return null;
             }
             log.info("STS凭证获取成功 | AK前缀:{}", dto.getAccessKeyId().substring(0, 4) + "***");
@@ -159,12 +186,12 @@
     }
 
     /**
-     * 构建OkHttp请求(核心:分文件大小处理)
+     * 构建OkHttp请求(适配分块上传的请求体/头透传)
      */
     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(OkHttp自动处理)
+        // 1. 透传所有请求头(排除Host,OkHttp自动处理)
         Enumeration<String> headerNames = request.getHeaderNames();
         while (headerNames.hasMoreElements()) {
             String name = headerNames.nextElement();
@@ -173,34 +200,36 @@
             }
         }
 
-        // 添加STS安全令牌
+        // 2. 添加STS鉴权头(MinIO分块上传必须)
         builder.addHeader(X_AMZ_SECURITY_TOKEN, credentials.getSecurityToken());
+        // 补充MinIO鉴权必要的头(防止签名失败)
+        builder.addHeader("X-Amz-Date", String.valueOf(System.currentTimeMillis()));
 
-        // 构建请求体(GET/HEAD无请求体)
+        // 3. 构建请求体(区分小文件/大文件/分块合并XML)
         RequestBody body = null;
         if (!"GET".equalsIgnoreCase(method) && !"HEAD".equalsIgnoreCase(method)) {
             InputStream inputStream = request.getInputStream();
             long contentLength = request.getContentLengthLong();
 
-            // 小文件:预读取到内存(稳定)
+            // 小文件:预读取到内存(稳定,适配分块上传的小文件块)
             if (contentLength > 0 && contentLength <= MAX_MEMORY_SIZE) {
-                log.info("小文件上传:预读取到内存,大小:{:.2f}MB", contentLength / 1024.0 / 1024.0);
+                log.info("小文件/分块上传:预读取到内存,大小:{:.2f}MB", contentLength / 1024.0 / 1024.0);
                 byte[] content = readInputStreamToBytes(inputStream);
-                MediaType mediaType = MediaType.parse(request.getContentType() == null ? "application/octet-stream" : request.getContentType());
+                MediaType mediaType = MediaType.parse(request.getContentType() == null ? "application/xml" : request.getContentType());
                 body = RequestBody.create(content, mediaType);
             }
-            // 大文件:流式上传(省内存)
+            // 大文件/未知长度:流式上传(省内存,适配大文件分块)
             else {
-                log.info("大文件/未知长度上传:使用流式传输");
+                log.info("大文件/未知长度上传:使用流式传输(适配分块上传)");
                 body = new RequestBody() {
                     @Override
                     public MediaType contentType() {
-                        return MediaType.parse(request.getContentType() == null ? "application/octet-stream" : request.getContentType());
+                        return MediaType.parse(request.getContentType() == null ? "application/xml" : request.getContentType());
                     }
 
                     @Override
                     public long contentLength() {
-                        return contentLength; // 避免chunked编码
+                        return contentLength; // 避免chunked编码,适配MinIO分块
                     }
 
                     @Override
@@ -212,10 +241,10 @@
                             while ((len = in.read(buffer)) != -1) {
                                 sink.write(buffer, 0, len);
                                 totalWritten += len;
-                                // 每100MB刷新一次
+                                // 每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:{:.2f}MB", totalWritten / 1024.0 / 1024.0);
+                                    log.info("分块上传进度:已写入{:.2f}MB", totalWritten / 1024.0 / 1024.0);
                                 }
                             }
                             sink.flush();
@@ -230,43 +259,43 @@
     }
 
     /**
-     * 读取InputStream到字节数组(小文件专用)
+     * 读取InputStream到字节数组(小文件/分块专用)
      */
     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);
+        try (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();
+            return bos.toByteArray();
         }
-        bos.flush();
-        byte[] result = bos.toByteArray();
-        bos.close();
-        return result;
     }
 
     /**
-     * 转发MinIO响应到客户端
+     * 转发MinIO响应到客户端(关键:透传ETag/UploadId等分块参数)
      */
     private void forwardResponse(Request request, HttpServletResponse response) throws IOException {
         try (Response okResponse = httpClient.newCall(request).execute()) {
-            // 配置响应头
+            // 1. 基础响应配置(确保分块合并的XML响应正常透传)
             response.setStatus(okResponse.code());
             response.setCharacterEncoding("UTF-8");
             String contentType = okResponse.header("Content-Type");
             if (contentType != null) {
-                response.setContentType(contentType);
+                response.setContentType(contentType); // 透传XML/JSON类型
             }
 
-            // 透传响应头
+            // 2. 透传所有响应头(重点:ETag/UploadId等分块核心参数)
             Headers headers = okResponse.headers();
             for (String name : headers.names()) {
+                // 排除Transfer-Encoding(防止Tomcat重复编码)
                 if (!name.equalsIgnoreCase(TRANSFER_ENCODING)) {
                     response.setHeader(name, headers.get(name));
                 }
             }
 
-            // 透传响应体
+            // 3. 透传响应体(分块初始化的UploadId、合并的成功响应等)
             ResponseBody responseBody = okResponse.body();
             if (responseBody != null) {
                 try (InputStream in = responseBody.byteStream()) {

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