2026-02-04 优化minio中转接口

zhaowenyu

2026-02-11 b0a4ce6982a3b3694679f69c39c59df84ecdcb06

 ard-admin/src/main/java/com/ard/web/controller/sample/media/MinioStsProxyController.java

@@ -15,9 +15,11 @@
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;
import java.security.cert.X509Certificate;
import java.util.Enumeration;
import java.util.concurrent.TimeUnit;

@@ -29,68 +31,59 @@

    // ==================== 常量配置 ====================
    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
    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
    // 配置注入
    @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客户端（全局单例，极简配置）
    private static OkHttpClient httpClient;

    // 静态初始化，仅执行一次
    // 静态初始化：仅做最必要的SSL配置，避免过度封装
    static {
        createUnsafeOkHttpClient();
    }

    /**
     * 修复SSL配置：创建忽略证书校验的OkHttp客户端
     */
    private static void createUnsafeOkHttpClient() {
        try {
            // 1. 创建信任所有证书的TrustManager
            // 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. 初始化SSL上下文
            SSLContext sslContext = SSLContext.getInstance("TLS");
            // 2. 强制TLS 1.2
            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
            sslContext.init(null, trustAllCerts, new SecureRandom());
            SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();

            // 3. 构建OkHttp客户端
            // 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)
                    .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(10, 5, TimeUnit.MINUTES))
                    .retryOnConnectionFailure(true)
                    .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 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();
        }
    }
@@ -101,36 +94,37 @@
        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);
        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
            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());
        }
    }

    /**
     * 构造MinIO请求地址
     * 构造MinIO目标地址
     */
    private String buildTargetUrl(String requestUri, String queryString) {
        try {
@@ -147,7 +141,7 @@
    }

    /**
     * 获取并校验STS临时凭证
     * 获取并校验STS凭证
     */
    private CredentialsDTO getCredentials() {
        try {
@@ -165,78 +159,111 @@
    }

    /**
     * 构建OkHttp请求对象 - 核心修复：移除Content-Length过滤
     * 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（OkHttp自动处理）
        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;
            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（MinIO必填）
        // 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
        // 构建请求体（GET/HEAD无请求体）
        RequestBody body = null;
        if (!"GET".equalsIgnoreCase(method) && !"HEAD".equalsIgnoreCase(method)) {
            // 获取客户端原始Content-Length
            InputStream inputStream = request.getInputStream();
            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");
                }

                // 重写方法，告知OkHttp固定长度，避免转为chunked编码
                @Override
                public long contentLength() {
                    return contentLength;
                }
            // 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，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());
                body = RequestBody.create(content, mediaType);
            }
            // 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() {
                        return MediaType.parse(request.getContentType() == null ? "application/octet-stream" : request.getContentType());
                    }

                @Override
                public void writeTo(BufferedSink sink) {
                    try (InputStream inputStream = request.getInputStream()) {
                    @Override
                    public long contentLength() {
                        return contentLength; // 避免chunked编码
                    }

                    @Override
                    public void writeTo(BufferedSink sink) throws IOException {
                        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100MB刷新一次
                                if (totalWritten % (1024 * 1024 * 100) == 0) {
                                    sink.flush();
                                    log.info("已上传：{:.2f}MB", totalWritten / 1024.0 / 1024.0);
                                }
                            }
                            sink.flush();
                            log.info("流式上传完成，总写入：{:.2f}MB", totalWritten / 1024.0 / 1024.0);
                        }
                        sink.flush();
                    } catch (IOException e) {
                        log.error("请求体流写入失败", e);
                    }
                }
            };
                };
            }
        }

        builder.method(method, body);
        return builder.build();
        return builder.method(method, body).build();
    }

    /**
     * 执行请求并将响应透传给前端
     * 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;
    }

    /**
     * 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
@@ -255,13 +282,13 @@
    }

    /**
     * 统一错误响应工具方法
     * 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);
        }
    }
}