package com.ard.web.controller.sample.media;
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import com.ard.common.config.OssConfiguration;
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import com.ard.oss.model.CredentialsDTO;
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import com.ard.oss.service.impl.OssServiceContext;
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import com.ard.sample.media.Response.S3ErrorResponse;
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import com.ard.sample.media.Response.S3PutObjectResponse;
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import io.minio.BucketExistsArgs;
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import io.minio.MinioClient;
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import io.minio.PutObjectArgs;
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import io.minio.credentials.StaticProvider;
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import io.minio.errors.ErrorResponseException;
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import io.minio.errors.MinioException;
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import io.minio.messages.ErrorResponse;
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import io.swagger.annotations.Api;
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import io.swagger.annotations.ApiOperation;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.*;
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import javax.servlet.http.HttpServletRequest;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.net.URLDecoder;
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import java.nio.charset.StandardCharsets;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.time.OffsetDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 适配 MinIO SDK 8.3.7 + 服务器 RELEASE.2024-08-03
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* 承接大疆 PUT 上传请求，中转上传到 MinIO HTTPS 接口
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*/
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@Api(tags = "机场上传minio")
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@Slf4j
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@RestController
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@RequestMapping("/minioTransfer") // 根路径，匹配 Nginx 转发的 /dock/、/kmz/ 路径
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public class MinioProxyUploadController {
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// 注入你的凭证服务（保持原有注入方式不变）
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@Autowired
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private OssServiceContext ossService;
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// S3标准错误码 -> HTTP状态码 映射表（行业通用标准）
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private static final Map<String, HttpStatus> S3_ERROR_CODE_MAP;
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// 初始化常见错误映射
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static {
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S3_ERROR_CODE_MAP = new HashMap<>();
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S3_ERROR_CODE_MAP.put("NoSuchBucket", HttpStatus.NOT_FOUND);
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S3_ERROR_CODE_MAP.put("NoSuchKey", HttpStatus.NOT_FOUND);
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S3_ERROR_CODE_MAP.put("AccessDenied", HttpStatus.FORBIDDEN);
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S3_ERROR_CODE_MAP.put("InvalidCredentials", HttpStatus.FORBIDDEN);
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S3_ERROR_CODE_MAP.put("BucketAlreadyExists", HttpStatus.CONFLICT);
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S3_ERROR_CODE_MAP.put("InvalidRequest", HttpStatus.BAD_REQUEST);
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}
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/**
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* 完全复刻 MinIO 原生 PUT 上传接口
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* 通配符匹配所有路径，保留原始URI格式
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*/
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@ApiOperation("MinIO原生PUT接口代理(无感中转)")
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@PutMapping(value = "/{bucketName}/**", consumes = MediaType.ALL_VALUE)
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public ResponseEntity<?> proxyMinioPutObject(
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@PathVariable String bucketName,
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// 透传大疆设备原始请求体，不修改、不封装
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@RequestBody(required = false) byte[] rawRequestBody,
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HttpServletRequest request
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) {
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log.info("接收参数bucketName:{}",bucketName);
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// ===================== 1. 解析原始路径：保留所有斜杠/末尾分隔符，完全对齐原生MinIO =====================
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String rawUri = request.getRequestURI();
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String requestUri = URLDecoder.decode(rawUri, StandardCharsets.UTF_8);
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String bucketPrefix = "/" + bucketName;
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// 提取原始ObjectKey，无任何修改
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String objectKey = requestUri.substring(bucketPrefix.length());
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log.info("中转MinIO PUT请求 | 桶名:{} | 原始对象路径:{} | 请求体大小:{}byte",
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bucketName, objectKey, rawRequestBody == null ? 0 : rawRequestBody.length);
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try {
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// ===================== 2. 复用原有逻辑：获取临时凭证 =====================
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var credentials = ossService.getCredentials();
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if (credentials == null || credentials.getAccessKeyId() == null || credentials.getSecurityToken() == null) {
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log.error("临时凭证获取失败");
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return buildNativeS3Error("InvalidCredentials", "临时凭证无效", requestUri, HttpStatus.FORBIDDEN);
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}
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// ===================== 3. 复用原有逻辑：构建MinIO客户端 =====================
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MinioClient minioClient = MinioClient.builder()
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.endpoint(OssConfiguration.endpoint)
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.credentialsProvider(new StaticProvider(
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credentials.getAccessKeyId(),
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credentials.getAccessKeySecret(),
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credentials.getSecurityToken()
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))
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.build();
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// 校验桶存在性（兼容原生接口行为，桶不存在返回404）
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boolean bucketExists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
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if (!bucketExists) {
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return buildNativeS3Error("NoSuchBucket", "指定存储桶不存在", requestUri, HttpStatus.NOT_FOUND);
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}
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// ===================== 4. 透传请求：原样转发大疆原始数据到MinIO，无业务篡改 =====================
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// 空请求体=大疆原生创建目录请求，直接透传；带请求体=上传文件，原生处理
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byte[] requestBody = rawRequestBody == null ? new byte[0] : rawRequestBody;
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try (ByteArrayInputStream inputStream = new ByteArrayInputStream(requestBody)) {
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minioClient.putObject(
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PutObjectArgs.builder()
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.bucket(bucketName)
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.object(objectKey)
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// 透传原始流、原始长度，完全复刻原生请求
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.stream(inputStream, requestBody.length, -1)
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// 透传原生Content-Type，无修改
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.contentType(request.getContentType() == null ? "application/octet-stream" : request.getContentType())
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.build()
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);
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}
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// ===================== 5. 原生接口成功响应：200 OK + 空响应体（核心对齐！）=====================
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log.info("中转上传成功 | 路径:{}", objectKey);
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return ResponseEntity.ok()
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// 无任何响应体，与MinIO原生行为完全一致
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.body(null);
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} catch (ErrorResponseException e) {
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// ===================== 最终修正：无任何无效方法调用 =====================
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ErrorResponse nativeError = e.errorResponse();
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String errorCode = nativeError.code();
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// 映射状态码，无匹配则默认500
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HttpStatus status = S3_ERROR_CODE_MAP.getOrDefault(errorCode, HttpStatus.INTERNAL_SERVER_ERROR);
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log.error("MinIO服务错误 | 错误码:{} | 信息:{}", errorCode, nativeError.message());
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// 透传MinIO原生XML错误体，大疆设备完美兼容
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return ResponseEntity.status(status)
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.contentType(MediaType.APPLICATION_XML)
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.body(nativeError);
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} catch (MinioException e) {
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log.error("MinIO客户端异常:{}", e.getMessage());
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return buildNativeS3Error("ClientError", e.getMessage(), requestUri, HttpStatus.INTERNAL_SERVER_ERROR);
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} catch (Exception e) {
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log.error("代理中转通用异常:{}", e.getMessage(), e);
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return buildNativeS3Error("InternalError", "服务器代理异常", requestUri, HttpStatus.INTERNAL_SERVER_ERROR);
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}
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}
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/**
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* 兜底构造S3标准XML错误响应，兼容大疆设备解析
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*/
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private ResponseEntity<S3ErrorResponse> buildNativeS3Error(String code, String message, String resource, HttpStatus status) {
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S3ErrorResponse error = new S3ErrorResponse(code, message, resource);
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return ResponseEntity.status(status)
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.contentType(MediaType.APPLICATION_XML)
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.body(error);
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}
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}
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