feat: 对接MeshSafe文件安全检测(上传/解包自动送检+轮询回写,不通过禁止分享传输,文件夹确认后仅分享通过内容,人工复核/重新检测,meshsafe.enabled总开关)

2026-11-01 20:29:31 +08:00
parent c5a262b3dd
commit 4c7dd207d0
30 changed files with 2000 additions and 6 deletions
--- a/src/main/java/com/senmesh/sfile/client/MeshSafeClient.java
+++ b/src/main/java/com/senmesh/sfile/client/MeshSafeClient.java
@@ -0,0 +1,280 @@
+package com.senmesh.sfile.client;
+
+import cn.hutool.core.io.IoUtil;
+import com.senmesh.common.exception.BusinessException;
+import com.senmesh.common.util.JsonUtils;
+import com.senmesh.sfile.config.MeshSafeProperties;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.UUID;
+
+/**
+ * MeshSafe 文件安全检测客户端
+ * <p>
+ * 对接 MeshSafe /api/v1 接口，认证规范见 MeshSafe《对外接口文档》：
+ * 请求需携带 HMAC-SHA256 签名（密钥经 HKDF-SHA256 派生），响应需验签，
+ * 验签失败的检测结论一律拒绝使用。
+ */
+@Slf4j
+@Component
+public class MeshSafeClient {
+
+  private static final String PATH_SCANS = "/api/v1/scans";
+
+  private static final String INFO_REQUEST_SIGNING = "meshsafe/api/v1/request-signing";
+
+  private static final String INFO_RESPONSE_SIGNING = "meshsafe/api/v1/response-signing";
+
+  private static final String HEADER_CLIENT_ID = "X-MS-Client-Id";
+
+  private static final String HEADER_TIMESTAMP = "X-MS-Timestamp";
+
+  private static final String HEADER_NONCE = "X-MS-Nonce";
+
+  private static final String HEADER_BODY_SHA256 = "X-MS-Body-SHA256";
+
+  private static final String HEADER_SIGNATURE = "X-MS-Signature";
+
+  private static final String HEADER_RESPONSE_TIMESTAMP = "X-MS-Response-Timestamp";
+
+  private static final String HEADER_RESPONSE_SIGNATURE = "X-MS-Response-Signature";
+
+  private static final String MULTIPART_BOUNDARY_PREFIX = "----MeshSafeBoundary";
+
+  @Autowired
+  private MeshSafeProperties meshSafeProperties;
+
+  /**
+   * 提交文件检测（同步模式直接返回结论，异步模式返回受理结果需轮询）
+   *
+   * @param fileName  文件名
+   * @param fileBytes 文件字节
+   * @return 检测结果
+   */
+  public MeshSafeScanResult scan(String fileName, byte[] fileBytes) {
+    String boundary = MULTIPART_BOUNDARY_PREFIX + UUID.randomUUID().toString().replace("-", "");
+    byte[] body = buildMultipartBody(boundary, fileName, fileBytes);
+    String contentType = "multipart/form-data; boundary=" + boundary;
+
+    Map<String, String> headers = signHeaders("POST", PATH_SCANS, body);
+    headers.put("Content-Type", contentType);
+
+    String responseBody = execute("POST", PATH_SCANS, headers, body);
+    return parseScanResult(responseBody);
+  }
+
+  /**
+   * 查询检测任务结果
+   *
+   * @param taskId MeshSafe 任务ID
+   * @return 检测结果
+   */
+  public MeshSafeScanResult getScan(String taskId) {
+    String path = PATH_SCANS + "/" + taskId;
+    Map<String, String> headers = signHeaders("GET", path, new byte[0]);
+    String responseBody = execute("GET", path, headers, null);
+    return parseScanResult(responseBody);
+  }
+
+  /**
+   * 回写人工复核结论到 MeshSafe
+   *
+   * @param taskId   MeshSafe 任务ID
+   * @param decision 复核结论：pass / reject
+   * @param comment  复核说明
+   */
+  public void review(String taskId, String decision, String comment) {
+    String path = PATH_SCANS + "/" + taskId + "/review";
+    Map<String, Object> bodyMap = new LinkedHashMap<>();
+    bodyMap.put("decision", decision);
+    bodyMap.put("comment", comment);
+    byte[] body = JsonUtils.toJsonString(bodyMap).getBytes(StandardCharsets.UTF_8);
+
+    Map<String, String> headers = signHeaders("POST", path, body);
+    headers.put("Content-Type", "application/json");
+    execute("POST", path, headers, body);
+  }
+
+  /**
+   * 发送请求并验签
+   * 使用JDK原生HttpURLConnection保证multipart字节与签名计算完全一致
+   * (hutool检测到multipart Content-Type时会重建表单体导致body被覆盖)
+   */
+  private String execute(String method, String path, Map<String, String> headers, byte[] body) {
+    String url = StringUtils.removeEnd(meshSafeProperties.getBaseUrl(), "/") + path;
+    byte[] bodyBytes = body == null ? new byte[0] : body;
+    try {
+      HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
+      conn.setRequestMethod(method);
+      conn.setConnectTimeout(meshSafeProperties.getTimeoutSeconds() * 1000);
+      conn.setReadTimeout(meshSafeProperties.getTimeoutSeconds() * 1000);
+      conn.setDoOutput(true);
+      for (Map.Entry<String, String> entry : headers.entrySet()) {
+        conn.setRequestProperty(entry.getKey(), entry.getValue());
+      }
+      try (OutputStream os = conn.getOutputStream()) {
+        os.write(bodyBytes);
+      }
+
+      int status = conn.getResponseCode();
+      byte[] responseBytes;
+      try (InputStream is = status >= 400 ? conn.getErrorStream() : conn.getInputStream()) {
+        responseBytes = IoUtil.readBytes(is);
+      }
+
+      String responseTimestamp = conn.getHeaderField(HEADER_RESPONSE_TIMESTAMP);
+      String responseSignature = conn.getHeaderField(HEADER_RESPONSE_SIGNATURE);
+      verifyResponseSignature(responseTimestamp, responseSignature, responseBytes);
+
+      String responseBody = new String(responseBytes, StandardCharsets.UTF_8);
+      if (status < 200 || status >= 300) {
+        log.error("MeshSafe请求失败, method: {}, path: {}, status: {}, response: {}",
+            method, path, status, responseBody);
+        throw new BusinessException("MeshSafe服务返回异常: HTTP " + status);
+      }
+      return responseBody;
+    } catch (BusinessException e) {
+      throw e;
+    } catch (Exception e) {
+      log.error("MeshSafe请求异常, method: {}, path: {}", method, path, e);
+      throw new BusinessException("MeshSafe服务请求失败: " + e.getMessage(), e);
+    }
+  }
+
+  /**
+   * 校验响应签名，验签失败拒绝使用该结论
+   */
+  private void verifyResponseSignature(String timestamp, String signature, byte[] responseBytes) {
+    if (StringUtils.isBlank(timestamp) || StringUtils.isBlank(signature)) {
+      throw new BusinessException("MeshSafe响应缺少签名头，拒绝使用该检测结论");
+    }
+    byte[] responseKey = deriveKey(INFO_RESPONSE_SIGNING);
+    String payload = DigestUtils.sha256Hex(responseBytes) + timestamp;
+    String expected = hmacHex(responseKey, payload);
+    if (!expected.equalsIgnoreCase(signature)) {
+      throw new BusinessException("MeshSafe响应签名校验失败，拒绝使用该检测结论");
+    }
+  }
+
+  private MeshSafeScanResult parseScanResult(String responseBody) {
+    MeshSafeScanResult result = JsonUtils.toObject(responseBody, MeshSafeScanResult.class);
+    if (result == null || StringUtils.isBlank(result.getTaskId())) {
+      throw new BusinessException("MeshSafe响应解析失败: " + responseBody);
+    }
+    result.setRawJson(responseBody);
+    return result;
+  }
+
+  /**
+   * 构造请求签名头
+   * 待签名串: METHOD \n PATH \n CANONICAL_QUERY \n BODY_SHA256 \n TIMESTAMP \n NONCE \n CLIENT_ID
+   */
+  private Map<String, String> signHeaders(String method, String path, byte[] body) {
+    String timestamp = String.valueOf(System.currentTimeMillis() / 1000);
+    String nonce = UUID.randomUUID().toString().replace("-", "");
+    String bodySha256 = DigestUtils.sha256Hex(body);
+
+    String payload = String.join("\n",
+        method.toUpperCase(), path, "", bodySha256, timestamp, nonce,
+        meshSafeProperties.getClientId());
+
+    String signature = hmacHex(deriveKey(INFO_REQUEST_SIGNING), payload);
+
+    Map<String, String> headers = new LinkedHashMap<>();
+    headers.put(HEADER_CLIENT_ID, meshSafeProperties.getClientId());
+    headers.put(HEADER_TIMESTAMP, timestamp);
+    headers.put(HEADER_NONCE, nonce);
+    headers.put(HEADER_BODY_SHA256, bodySha256);
+    headers.put(HEADER_SIGNATURE, signature);
+    return headers;
+  }
+
+  /**
+   * HKDF-SHA256 密钥派生(RFC 5869, extract + expand 两步)
+   */
+  private byte[] deriveKey(String info) {
+    try {
+      byte[] ikm = meshSafeProperties.getSecret().getBytes(StandardCharsets.UTF_8);
+      byte[] salt = meshSafeProperties.getClientId().getBytes(StandardCharsets.UTF_8);
+
+      Mac mac = Mac.getInstance("HmacSHA256");
+      mac.init(new SecretKeySpec(salt, "HmacSHA256"));
+      byte[] prk = mac.doFinal(ikm);
+
+      byte[] okm = new byte[32];
+      byte[] block = new byte[0];
+      int offset = 0;
+      byte counter = 1;
+      while (offset < okm.length) {
+        mac.init(new SecretKeySpec(prk, "HmacSHA256"));
+        mac.update(block);
+        mac.update(info.getBytes(StandardCharsets.UTF_8));
+        mac.update(new byte[]{counter});
+        block = mac.doFinal();
+        int n = Math.min(block.length, okm.length - offset);
+        System.arraycopy(block, 0, okm, offset, n);
+        offset += n;
+        counter++;
+      }
+      return okm;
+    } catch (Exception e) {
+      throw new BusinessException("MeshSafe签名密钥派生失败", e);
+    }
+  }
+
+  private String hmacHex(byte[] key, String message) {
+    try {
+      Mac mac = Mac.getInstance("HmacSHA256");
+      mac.init(new SecretKeySpec(key, "HmacSHA256"));
+      return hex(mac.doFinal(message.getBytes(StandardCharsets.UTF_8)));
+    } catch (Exception e) {
+      throw new BusinessException("MeshSafe签名计算失败", e);
+    }
+  }
+
+  private String hex(byte[] bytes) {
+    StringBuilder sb = new StringBuilder(bytes.length * 2);
+    for (byte b : bytes) {
+      sb.append(String.format("%02x", b));
+    }
+    return sb.toString();
+  }
+
+  /**
+   * 手工构造 multipart 请求体(签名需基于最终字节计算,不能用HTTP库自动构造)
+   */
+  private byte[] buildMultipartBody(String boundary, String fileName, byte[] fileBytes) {
+    try {
+      ByteArrayOutputStream bos = new ByteArrayOutputStream();
+      String channel = StringUtils.defaultIfBlank(meshSafeProperties.getChannel(), "default");
+
+      bos.write(("--" + boundary + "\r\n"
+          + "Content-Disposition: form-data; name=\"channel\"\r\n\r\n"
+          + channel + "\r\n").getBytes(StandardCharsets.UTF_8));
+
+      String safeName = fileName.replace("\"", "");
+      bos.write(("--" + boundary + "\r\n"
+          + "Content-Disposition: form-data; name=\"file\"; filename=\"" + safeName + "\"\r\n"
+          + "Content-Type: application/octet-stream\r\n\r\n").getBytes(StandardCharsets.UTF_8));
+      bos.write(fileBytes);
+      bos.write(("\r\n--" + boundary + "--\r\n").getBytes(StandardCharsets.UTF_8));
+      return bos.toByteArray();
+    } catch (Exception e) {
+      throw new BusinessException("构造MeshSafe检测请求失败", e);
+    }
+  }
+}
--- a/src/main/java/com/senmesh/sfile/client/MeshSafeScanResult.java
+++ b/src/main/java/com/senmesh/sfile/client/MeshSafeScanResult.java
@@ -0,0 +1,47 @@
+package com.senmesh.sfile.client;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+/**
+ * MeshSafe 检测结果
+ * <p>
+ * 字段说明见 MeshSafe《对外接口文档》§5，action 是调用方唯一决策依据。
+ * MeshSafe 返回 snake_case 字段名。
+ */
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class MeshSafeScanResult {
+
+  /**
+   * 任务标识，用于后续查询与审计追溯
+   */
+  @JsonProperty("task_id")
+  private String taskId;
+
+  /**
+   * 处置动作：pass / manual_review / reject / pending
+   */
+  private String action;
+
+  /**
+   * 人可读的判定理由，可直接展示给用户
+   */
+  private String reason;
+
+  /**
+   * 任务状态：pending / running / completed / failed
+   */
+  private String status;
+
+  /**
+   * 提示信息(异步受理时返回)
+   */
+  private String message;
+
+  /**
+   * 原始响应JSON
+   */
+  private String rawJson;
+}
--- a/src/main/java/com/senmesh/sfile/config/MeshSafeProperties.java
+++ b/src/main/java/com/senmesh/sfile/config/MeshSafeProperties.java
@@ -0,0 +1,61 @@
+package com.senmesh.sfile.config;
+
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+/**
+ * MeshSafe 文件安全检测对接配置
+ */
+@ConfigurationProperties(prefix = "meshsafe")
+@Component
+@Data
+@NoArgsConstructor
+public class MeshSafeProperties {
+
+  /**
+   * 是否开启文件安全检测(关闭时上传/解包不提交检测,分享传输不校验)
+   */
+  private Boolean enabled = false;
+
+  /**
+   * MeshSafe 服务地址,如 https://meshsafe.internal
+   */
+  private String baseUrl;
+
+  /**
+   * 调用方标识(MeshSafe 申请的 client_id)
+   */
+  private String clientId;
+
+  /**
+   * 调用方密钥(MeshSafe 申请的 secret,用于 HMAC 签名)
+   */
+  private String secret;
+
+  /**
+   * 业务通道标识,仅用于 MeshSafe 日志追溯
+   */
+  private String channel = "default";
+
+  /**
+   * 请求超时时间(秒)
+   */
+  private Integer timeoutSeconds = 120;
+
+  /**
+   * 检测服务异常时的降级策略:true-放行(仅标记检测失败) / false-阻断
+   */
+  private Boolean failOpen = true;
+
+  /**
+   * 检测中的记录超过该分钟数仍未拿到结论则标记为检测失败(防死轮询)
+   */
+  private Integer pollTimeoutMinutes = 60;
+
+  /**
+   * 人工复核是否尽力回写 MeshSafe(失败仅告警,不影响本地生效)
+   */
+  private Boolean reviewSyncToMeshSafe = true;
+}
--- a/src/main/java/com/senmesh/sfile/constant/SecurityScanStatusEnum.java
+++ b/src/main/java/com/senmesh/sfile/constant/SecurityScanStatusEnum.java
@@ -0,0 +1,64 @@
+package com.senmesh.sfile.constant;
+
+/**
+ * 文件安全检测状态枚举
+ */
+public enum SecurityScanStatusEnum {
+
+  /**
+   * 检测中
+   */
+  SCANNING("1", "检测中"),
+
+  /**
+   * 检测通过
+   */
+  PASSED("2", "通过"),
+
+  /**
+   * 检测不通过(禁止分享传输)
+   */
+  REJECTED("3", "不通过"),
+
+  /**
+   * 检测失败(MeshSafe异常/超时)
+   */
+  FAILED("4", "检测失败");
+
+  private final String status;
+
+  private final String desc;
+
+  SecurityScanStatusEnum(String status, String desc) {
+    this.status = status;
+    this.desc = desc;
+  }
+
+  public String getStatus() {
+    return status;
+  }
+
+  public String getDesc() {
+    return desc;
+  }
+
+  /**
+   * 判断是否为不通过状态
+   *
+   * @param status 检测状态
+   * @return true-不通过，false-非不通过
+   */
+  public static boolean isRejected(String status) {
+    return REJECTED.getStatus().equals(status);
+  }
+
+  /**
+   * 判断是否为检测中状态
+   *
+   * @param status 检测状态
+   * @return true-检测中，false-非检测中
+   */
+  public static boolean isScanning(String status) {
+    return SCANNING.getStatus().equals(status);
+  }
+}
--- a/src/main/java/com/senmesh/sfile/controller/FileSecurityController.java
+++ b/src/main/java/com/senmesh/sfile/controller/FileSecurityController.java
@@ -0,0 +1,69 @@
+package com.senmesh.sfile.controller;
+
+import com.senmesh.common.AlitaResult;
+import com.senmesh.sfile.config.MeshSafeProperties;
+import com.senmesh.sfile.dto.FileSecurityDTO;
+import com.senmesh.sfile.dto.FileSecurityReviewDTO;
+import com.senmesh.sfile.dto.FileSecurityShareCheckDTO;
+import com.senmesh.sfile.service.FileSecurityService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiParam;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 文件安全检测Controller
+ */
+@Api(tags = "文件安全检测")
+@RestController
+@RequestMapping("file_security")
+public class FileSecurityController {
+
+  @Autowired
+  private FileSecurityService fileSecurityService;
+
+  @Autowired
+  private MeshSafeProperties meshSafeProperties;
+
+  @GetMapping("/enabled")
+  @ApiOperation("查询安全检测开关(meshsafe.enabled,前端据此展示/隐藏检测列)")
+  public AlitaResult<Boolean> enabled() {
+    return AlitaResult.success(Boolean.TRUE.equals(meshSafeProperties.getEnabled()));
+  }
+
+  @GetMapping("/detail")
+  @ApiOperation("查询文件最新检测结果")
+  public AlitaResult<FileSecurityDTO> detail(
+      @ApiParam(value = "文件编码", required = true) @RequestParam String fileCode) {
+    return AlitaResult.success(fileSecurityService.latest(fileCode));
+  }
+
+  @GetMapping("/share_check")
+  @ApiOperation("分享/传输预检:统计文件及子文件的检测拦截情况")
+  public AlitaResult<FileSecurityShareCheckDTO> shareCheck(
+      @ApiParam(value = "用户文件ID", required = true) @RequestParam Long userFileId) {
+    return AlitaResult.success(fileSecurityService.shareCheck(userFileId));
+  }
+
+  @PostMapping("/review")
+  @ApiOperation("人工复核修改检测结果(超管/机构管理员)")
+  public AlitaResult<FileSecurityDTO> review(
+      @Validated @RequestBody FileSecurityReviewDTO reviewDTO) {
+    return AlitaResult.success(fileSecurityService.review(reviewDTO));
+  }
+
+  @PostMapping("/rescan")
+  @ApiOperation("重新提交安全检测(超管/机构管理员)")
+  public AlitaResult<Boolean> rescan(
+      @ApiParam(value = "文件编码", required = true) @RequestParam String fileCode) {
+    fileSecurityService.rescan(fileCode);
+    return AlitaResult.success(true);
+  }
+}
--- a/src/main/java/com/senmesh/sfile/dao/FileSecurityMapper.java
+++ b/src/main/java/com/senmesh/sfile/dao/FileSecurityMapper.java
@@ -0,0 +1,43 @@
+package com.senmesh.sfile.dao;
+
+import com.senmesh.sfile.dto.FileSecurityDTO;
+import com.senmesh.sfile.entity.FileSecurity;
+import com.senmesh.tkmybatis.mybatis.MyMapper;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+/**
+ * 文件安全检测Mapper
+ */
+@Mapper
+public interface FileSecurityMapper extends MyMapper<FileSecurity> {
+
+  /**
+   * 查询检测记录列表(按id倒序)
+   *
+   * @param fileCodes 文件编码集合
+   * @param fileCode  文件编码
+   * @return List<FileSecurityDTO>
+   */
+  List<FileSecurityDTO> list(@Param("fileCodes") List<String> fileCodes,
+      @Param("fileCode") String fileCode);
+
+  /**
+   * 查询最新检测状态为指定集合的记录(每个文件编码取最新一条)
+   *
+   * @param fileCodes  文件编码集合
+   * @param scanStatusIn 检测状态集合
+   * @return List<FileSecurityDTO>
+   */
+  List<FileSecurityDTO> listLatestByStatusIn(@Param("fileCodes") List<String> fileCodes,
+      @Param("scanStatusIn") List<String> scanStatusIn);
+
+  /**
+   * 查询检测中的记录(定时轮询用)
+   *
+   * @return List<FileSecurityDTO>
+   */
+  List<FileSecurityDTO> listScanning();
+}
--- a/src/main/java/com/senmesh/sfile/dto/ExpandUserFileCreateDTO.java
+++ b/src/main/java/com/senmesh/sfile/dto/ExpandUserFileCreateDTO.java
@@ -15,6 +15,8 @@ import javax.validation.constraints.NotEmpty;
 import javax.validation.constraints.NotNull;
 import org.springframework.format.annotation.DateTimeFormat;

+import java.util.List;
+
 /**
 * 扩展用户文件创建DTO
 * 根据普通文件创建新的文件（复制）
@@ -50,5 +52,8 @@ public class ExpandUserFileCreateDTO extends BaseOperateDTO {

  @ApiModelProperty("访问码")
  private String accessCode;
+
+  @ApiModelProperty("复制时需排除的用户文件ID(安全检测未通过跳过分享场景)")
+  private List<Long> excludeFileIds;
 }

--- a/src/main/java/com/senmesh/sfile/dto/FileSecurityDTO.java
+++ b/src/main/java/com/senmesh/sfile/dto/FileSecurityDTO.java
@@ -0,0 +1,54 @@
+package com.senmesh.sfile.dto;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.senmesh.common.dto.BaseDTO;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.experimental.SuperBuilder;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.util.Date;
+
+/**
+ * 文件安全检测记录DTO
+ */
+@ApiModel("文件安全检测记录")
+@Data
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = true)
+public class FileSecurityDTO extends BaseDTO {
+
+  private static final long serialVersionUID = 1L;
+
+  @ApiModelProperty("文件编码")
+  private String fileCode;
+
+  @ApiModelProperty("MeshSafe检测任务ID")
+  private String taskId;
+
+  @ApiModelProperty("检测状态：1检测中/2通过/3不通过/4检测失败")
+  private String scanStatus;
+
+  @ApiModelProperty("MeshSafe处置动作：pass/manual_review/reject")
+  private String action;
+
+  @ApiModelProperty("检测结论说明")
+  private String reason;
+
+  @ApiModelProperty("检测完整结果JSON")
+  private String resultJson;
+
+  @ApiModelProperty("人工复核说明(人工改判时有值)")
+  private String reviewComment;
+
+  @ApiModelProperty("检测时间")
+  @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+  @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+  private Date createTime;
+}
--- a/src/main/java/com/senmesh/sfile/dto/FileSecurityReviewDTO.java
+++ b/src/main/java/com/senmesh/sfile/dto/FileSecurityReviewDTO.java
@@ -0,0 +1,36 @@
+package com.senmesh.sfile.dto;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * 文件安全检测人工复核DTO
+ */
+@ApiModel("文件安全检测人工复核")
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileSecurityReviewDTO {
+
+  private static final long serialVersionUID = 1L;
+
+  @ApiModelProperty("文件编码")
+  @NotBlank(message = "文件编码不能为空")
+  private String fileCode;
+
+  @ApiModelProperty("复核结论：pass通过/reject不通过")
+  @NotBlank(message = "复核结论不能为空")
+  private String decision;
+
+  @ApiModelProperty("复核说明(审计要求,必填)")
+  @NotBlank(message = "复核说明不能为空")
+  private String comment;
+}
--- a/src/main/java/com/senmesh/sfile/dto/FileSecurityShareCheckDTO.java
+++ b/src/main/java/com/senmesh/sfile/dto/FileSecurityShareCheckDTO.java
@@ -0,0 +1,51 @@
+package com.senmesh.sfile.dto;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * 文件安全检测分享预检DTO
+ */
+@ApiModel("文件安全检测分享预检")
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileSecurityShareCheckDTO {
+
+  @ApiModelProperty("用户文件ID")
+  private Long userFileId;
+
+  @ApiModelProperty("文件大类：1文件/2文件夹")
+  private String fileType;
+
+  @ApiModelProperty("目录内文件总数(不含目录)")
+  private Integer totalFileCount;
+
+  @ApiModelProperty("检测不通过数量")
+  private Integer blockedCount;
+
+  @ApiModelProperty("检测中数量")
+  private Integer scanningCount;
+
+  @ApiModelProperty("检测失败数量")
+  private Integer failedCount;
+
+  @ApiModelProperty("检测不通过文件名列表")
+  private List<String> blockedFileNames;
+
+  @ApiModelProperty("检测中文件名列表")
+  private List<String> scanningFileNames;
+
+  @ApiModelProperty("检测失败文件名列表")
+  private List<String> failedFileNames;
+
+  @ApiModelProperty("确认跳过时需排除的用户文件ID列表(不通过+检测中,fail-closed时含检测失败)")
+  private List<Long> excludeFileIds;
+}
--- a/src/main/java/com/senmesh/sfile/dto/ShareUserFileCreateDTO.java
+++ b/src/main/java/com/senmesh/sfile/dto/ShareUserFileCreateDTO.java
@@ -32,5 +32,8 @@ public class ShareUserFileCreateDTO extends BaseOperateDTO {
  @NotNull(message = "有效天数不能为空")
  private Integer validDays;

+  @ApiModelProperty("文件夹内存在检测未通过文件时,确认后仅复制检测通过的内容")
+  private Boolean onlyPassed;
+
 }

--- a/src/main/java/com/senmesh/sfile/dto/TransferUserFileCreateDTO.java
+++ b/src/main/java/com/senmesh/sfile/dto/TransferUserFileCreateDTO.java
@@ -28,5 +28,8 @@ public class TransferUserFileCreateDTO extends BaseOperateDTO {
  @NotNull(message = "用户文件ID不能为空")
  private Long userFileId;

+  @ApiModelProperty("文件夹内存在检测未通过文件时,确认后仅传输检测通过的内容")
+  private Boolean onlyPassed;
+
 }

--- a/src/main/java/com/senmesh/sfile/dto/UserFileDTO.java
+++ b/src/main/java/com/senmesh/sfile/dto/UserFileDTO.java
@@ -69,5 +69,22 @@ public class UserFileDTO extends BaseDTO {

  @ApiModelProperty("风险详情JSON")
  private String riskJson;
+
+  @ApiModelProperty("安全检测状态：1检测中/2通过/3不通过/4检测失败(空为未检测)")
+  private String securityStatus;
+
+  @ApiModelProperty("安全检测处置动作：pass/manual_review/reject")
+  private String securityAction;
+
+  @ApiModelProperty("安全检测结论说明")
+  private String securityReason;
+
+  @ApiModelProperty("安全检测人工复核说明")
+  private String securityReviewComment;
+
+  @ApiModelProperty("安全检测时间")
+  @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+  @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+  private Date securityTime;
 }

--- a/src/main/java/com/senmesh/sfile/entity/FileSecurity.java
+++ b/src/main/java/com/senmesh/sfile/entity/FileSecurity.java
@@ -0,0 +1,60 @@
+package com.senmesh.sfile.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.senmesh.common.entity.BaseEntity;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.experimental.SuperBuilder;
+
+/**
+ * 文件安全检测记录
+ * <p>
+ * 同一文件允许多条检测记录(人工复核/重新检测均新增)，业务取最新一条生效。
+ */
+@TableName("x_file_security")
+@Data
+@SuperBuilder
+@NoArgsConstructor
+@AllArgsConstructor
+@EqualsAndHashCode(callSuper = true)
+public class FileSecurity extends BaseEntity {
+
+  private static final long serialVersionUID = 1L;
+
+  /**
+   * 文件编码
+   */
+  private String fileCode;
+
+  /**
+   * MeshSafe检测任务ID
+   */
+  private String taskId;
+
+  /**
+   * 检测状态：1检测中/2通过/3不通过/4检测失败
+   */
+  private String scanStatus;
+
+  /**
+   * MeshSafe处置动作：pass/manual_review/reject
+   */
+  private String action;
+
+  /**
+   * 检测结论说明
+   */
+  private String reason;
+
+  /**
+   * 检测完整结果JSON
+   */
+  private String resultJson;
+
+  /**
+   * 人工复核说明(人工改判时有值)
+   */
+  private String reviewComment;
+}
--- a/src/main/java/com/senmesh/sfile/job/MeshSafeScanJob.java
+++ b/src/main/java/com/senmesh/sfile/job/MeshSafeScanJob.java
@@ -0,0 +1,39 @@
+package com.senmesh.sfile.job;
+
+import com.senmesh.common.annotation.AlitaStopWatch;
+import com.senmesh.common.util.MockUtils;
+import com.senmesh.sfile.service.FileSecurityService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+/**
+ * MeshSafe文件安全检测轮询定时任务
+ * <p>
+ * 轮询检测中的任务直到拿到结论(MeshSafe异步模式/网络异常重试)，
+ * 检测中的记录超过配置时长仍无结论则标记检测失败。
+ */
+@Component
+@Slf4j
+public class MeshSafeScanJob {
+
+  @Autowired
+  private FileSecurityService fileSecurityService;
+
+  /**
+   * 定时轮询未完成的检测任务，默认每30秒执行一次
+   */
+  @Scheduled(cron = "${meshsafe.poll.cron:0 */30 * * * ?}")
+  @AlitaStopWatch
+  public void execute() {
+    try {
+      MockUtils.mockPlatUser();
+      fileSecurityService.pollPendingScans();
+    } catch (Exception e) {
+      log.error("MeshSafe检测轮询任务执行失败", e);
+    } finally {
+      MockUtils.clearUser();
+    }
+  }
+}
--- a/src/main/java/com/senmesh/sfile/mapper/FileSecurityMapper.xml
+++ b/src/main/java/com/senmesh/sfile/mapper/FileSecurityMapper.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.senmesh.sfile.dao.FileSecurityMapper">
+
+  <sql id="queryWhereSql">
+    WHERE t.deleted = FALSE
+    <if test='fileCode != null and fileCode.trim() != ""'>
+      AND t.file_code = #{fileCode}
+    </if>
+    <if test='fileCodes != null and !fileCodes.isEmpty()'>
+      AND t.file_code IN
+      <foreach collection="fileCodes" item="item" open="(" separator="," close=")">
+        #{item}
+      </foreach>
+    </if>
+  </sql>
+
+  <select id="list" resultType="com.senmesh.sfile.dto.FileSecurityDTO">
+    SELECT t.*
+    FROM x_file_security t
+    <include refid="queryWhereSql"></include>
+    ORDER BY t.id DESC
+  </select>
+
+  <select id="listLatestByStatusIn" resultType="com.senmesh.sfile.dto.FileSecurityDTO">
+    SELECT t.*
+    FROM x_file_security t
+    WHERE t.deleted = FALSE
+      AND t.scan_status IN
+      <foreach collection="scanStatusIn" item="item" open="(" separator="," close=")">
+        #{item}
+      </foreach>
+      AND t.id = (
+        SELECT MAX(t2.id) FROM x_file_security t2
+        WHERE t2.file_code = t.file_code AND t2.deleted = FALSE
+      )
+    <if test='fileCodes != null and !fileCodes.isEmpty()'>
+      AND t.file_code IN
+      <foreach collection="fileCodes" item="item" open="(" separator="," close=")">
+        #{item}
+      </foreach>
+    </if>
+  </select>
+
+  <select id="listScanning" resultType="com.senmesh.sfile.dto.FileSecurityDTO">
+    SELECT t.*
+    FROM x_file_security t
+    WHERE t.deleted = FALSE
+      AND t.scan_status = '1'
+    ORDER BY t.id ASC
+  </select>
+
+</mapper>
--- a/src/main/java/com/senmesh/sfile/mapper/UserFileMapper.xml
+++ b/src/main/java/com/senmesh/sfile/mapper/UserFileMapper.xml
@@ -4,7 +4,10 @@
 <mapper namespace="com.senmesh.sfile.dao.UserFileMapper">

  <select id="list" resultType="com.senmesh.sfile.dto.UserFileDTO">
-    SELECT t.*, fr.file_size, fc.file_category, fk.max_risk_level, fk.risk_json
+    SELECT t.*, fr.file_size, fc.file_category, fk.max_risk_level, fk.risk_json,
+      fs.scan_status AS security_status, fs.action AS security_action,
+      fs.reason AS security_reason, fs.review_comment AS security_review_comment,
+      fs.create_time AS security_time
    <include refid="queryFromSql"></include>
    ORDER BY t.id DESC
  </select>
@@ -13,6 +16,9 @@
    SELECT
      t.*,
      fr.file_size,
+      fs.scan_status AS security_status, fs.action AS security_action,
+      fs.reason AS security_reason, fs.review_comment AS security_review_comment,
+      fs.create_time AS security_time,
      u.phone,
      u.username,
      u.real_name,
@@ -20,6 +26,9 @@
    FROM x_user_file t
      INNER JOIN uc_user u ON t.user_id = u.id AND u.deleted = FALSE
      LEFT JOIN xs_file_record fr ON t.file_code = fr.file_code AND fr.deleted = FALSE
+      LEFT JOIN x_file_security fs ON t.file_code = fs.file_code AND fs.deleted = FALSE
+        AND fs.id = (SELECT MAX(fs2.id) FROM x_file_security fs2
+          WHERE fs2.file_code = t.file_code AND fs2.deleted = FALSE)
    WHERE t.deleted = FALSE
      AND u.phone = #{param.phone}
    <if test='param.rootTypeIn != null and !param.rootTypeIn.isEmpty()'>
@@ -72,6 +81,9 @@
    LEFT JOIN xs_file_record fr ON t.file_code = fr.file_code AND fr.deleted = FALSE
    LEFT JOIN x_file_category fc ON fr.file_suffix = fc.file_suffix AND fc.deleted = FALSE
    LEFT JOIN x_file_risk fk ON t.file_code = fk.file_code AND fk.deleted = FALSE
+    LEFT JOIN x_file_security fs ON t.file_code = fs.file_code AND fs.deleted = FALSE
+      AND fs.id = (SELECT MAX(fs2.id) FROM x_file_security fs2
+        WHERE fs2.file_code = t.file_code AND fs2.deleted = FALSE)
    <if test='param.parentNotInvalid != null and param.parentNotInvalid == true'>
      LEFT JOIN x_user_file parent ON t.parent_id = parent.id AND parent.deleted = FALSE
    </if>
--- a/src/main/java/com/senmesh/sfile/service/FileSecurityService.java
+++ b/src/main/java/com/senmesh/sfile/service/FileSecurityService.java
@@ -0,0 +1,88 @@
+package com.senmesh.sfile.service;
+
+import java.util.List;
+
+import com.senmesh.sfile.dto.FileSecurityDTO;
+import com.senmesh.sfile.dto.FileSecurityShareCheckDTO;
+import com.senmesh.sfile.dto.FileSecurityReviewDTO;
+
+/**
+ * 文件安全检测Service
+ */
+public interface FileSecurityService {
+
+  /**
+   * 异步提交MeshSafe检测(上传/解包落库后调用,失败仅标记不影响主流程)
+   * 已有检测中/通过/不通过记录时跳过
+   *
+   * @param fileCode 文件编码
+   * @param fileName 文件名
+   */
+  void submitScanAsync(String fileCode, String fileName);
+
+  /**
+   * 异步重新提交MeshSafe检测(重新检测场景)
+   * 仅已有检测中记录时跳过
+   *
+   * @param fileCode 文件编码
+   * @param fileName 文件名
+   */
+  void resubmitScanAsync(String fileCode, String fileName);
+
+  /**
+   * 查询文件最新检测记录
+   *
+   * @param fileCode 文件编码
+   * @return FileSecurityDTO 无记录返回null
+   */
+  FileSecurityDTO latest(String fileCode);
+
+  /**
+   * 校验文件(含文件夹子文件)是否允许分享/传输
+   * 检测不通过或检测中则抛出业务异常
+   *
+   * @param userFileId 用户文件id(普通文件)
+   */
+  void checkShareable(Long userFileId);
+
+  /**
+   * 分享/传输预检:统计文件(含文件夹子文件)的安全检测拦截情况,供前端弹窗提示
+   *
+   * @param userFileId 用户文件id(普通文件)
+   * @return FileSecurityShareCheckDTO 检测关闭时返回全零结果
+   */
+  FileSecurityShareCheckDTO shareCheck(Long userFileId);
+
+  /**
+   * 分享/传输前置处理:文件夹内存在检测未通过文件且用户确认跳过(onlyPassed)时,
+   * 返回需排除的用户文件ID列表;单文件被拦截或未确认跳过时抛业务异常
+   *
+   * @param userFileId 用户文件id(普通文件)
+   * @param onlyPassed 用户是否确认仅分享/传输通过的内容
+   * @param actionName 动作名(分享/传输,用于提示文案)
+   * @return List<Long> 需排除的用户文件ID,空列表表示无需排除
+   */
+  List<Long> resolveShareExclusions(Long userFileId, boolean onlyPassed, String actionName);
+
+  /**
+   * 人工复核修改检测结果(超管/机构管理员)
+   * 新增一条检测记录留痕,并尽力回写MeshSafe
+   *
+   * @param reviewDTO 复核参数
+   * @return FileSecurityDTO 新的检测结果
+   */
+  FileSecurityDTO review(FileSecurityReviewDTO reviewDTO);
+
+  /**
+   * 重新提交检测(超管/机构管理员)
+   *
+   * @param fileCode 文件编码
+   */
+  void rescan(String fileCode);
+
+  /**
+   * 轮询未完成的检测任务(定时任务调用):
+   * 无taskId的记录补提交,有taskId的轮询结论,超时标记检测失败
+   */
+  void pollPendingScans();
+}
--- a/src/main/java/com/senmesh/sfile/service/impl/FileSecurityServiceImpl.java
+++ b/src/main/java/com/senmesh/sfile/service/impl/FileSecurityServiceImpl.java
@@ -0,0 +1,529 @@
+package com.senmesh.sfile.service.impl;
+
+import com.senmesh.common.exception.BusinessException;
+import com.senmesh.common.exception.util.Assert;
+import com.senmesh.common.util.ListUtil;
+import com.senmesh.common.util.UserContextHolder;
+import com.senmesh.component.file.entity.FileRecord;
+import com.senmesh.component.file.service.FileRecordService;
+import com.senmesh.component.file.util.FileStorageUtils;
+import com.senmesh.frame.redis.dto.LockDTO;
+import com.senmesh.frame.redis.redisson.RedissonUtils;
+import com.senmesh.sfile.client.MeshSafeClient;
+import com.senmesh.sfile.client.MeshSafeScanResult;
+import com.senmesh.sfile.config.MeshSafeProperties;
+import com.senmesh.sfile.constant.FileTypeEnum;
+import com.senmesh.sfile.constant.RootTypeEnum;
+import com.senmesh.sfile.constant.SecurityScanStatusEnum;
+import com.senmesh.sfile.dao.FileSecurityMapper;
+import com.senmesh.sfile.dto.FileSecurityDTO;
+import com.senmesh.sfile.dto.FileSecurityShareCheckDTO;
+import com.senmesh.sfile.dto.FileSecurityReviewDTO;
+import com.senmesh.sfile.dto.UserFileDTO;
+import com.senmesh.sfile.dto.UserFileQueryDTO;
+import com.senmesh.sfile.entity.FileSecurity;
+import com.senmesh.sfile.service.FileSecurityService;
+import com.senmesh.sfile.service.UserFileService;
+import com.senmesh.usercenter.user.service.OrgUserService;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.aop.framework.AopContext;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+/**
+ * 文件安全检测ServiceImpl
+ * <p>
+ * 对接 MeshSafe 文件安全检测服务：上传/传输接收解包后自动送检，
+ * 检测不通过的文件禁止分享与跨网传输(下载预览不受限)，
+ * 管理员可人工复核修改检测结果(留痕)。
+ */
+@Slf4j
+@Service
+public class FileSecurityServiceImpl implements FileSecurityService {
+
+  private static final String MESHSAFE_ACTION_PASS = "pass";
+
+  private static final String MESHSAFE_ACTION_MANUAL_REVIEW = "manual_review";
+
+  private static final String MESHSAFE_ACTION_REJECT = "reject";
+
+  private static final String MESHSAFE_STATUS_COMPLETED = "completed";
+
+  private static final String MESHSAFE_STATUS_FAILED = "failed";
+
+  @Autowired
+  private MeshSafeProperties meshSafeProperties;
+
+  @Autowired
+  private MeshSafeClient meshSafeClient;
+
+  @Autowired
+  private FileSecurityMapper fileSecurityMapper;
+
+  @Autowired
+  private FileRecordService fileRecordService;
+
+  @Autowired
+  private UserFileService userFileService;
+
+  @Autowired
+  private OrgUserService orgUserService;
+
+  @Override
+  @Async("asyncExecutor")
+  public void submitScanAsync(String fileCode, String fileName) {
+    submitScanInternal(fileCode, fileName, false);
+  }
+
+  @Override
+  @Async("asyncExecutor")
+  public void resubmitScanAsync(String fileCode, String fileName) {
+    submitScanInternal(fileCode, fileName, true);
+  }
+
+  @Override
+  public FileSecurityDTO latest(String fileCode) {
+    Assert.notBlank(fileCode, "文件编码不能为空");
+    List<FileSecurityDTO> list = fileSecurityMapper.list(null, fileCode);
+    return ListUtil.first(list);
+  }
+
+  @Override
+  public void checkShareable(Long userFileId) {
+    FileSecurityShareCheckDTO check = shareCheck(userFileId);
+    if (!check.getBlockedFileNames().isEmpty()) {
+      throw new BusinessException(
+          buildBlockedMessage(check.getBlockedFileNames(), "安全检测未通过，禁止分享与传输"));
+    }
+    if (!check.getScanningFileNames().isEmpty()) {
+      throw new BusinessException(
+          buildBlockedMessage(check.getScanningFileNames(), "正在安全检测中，请稍后再试"));
+    }
+    // 检测失败:降级策略为fail-closed时同样禁止
+    if (!Boolean.TRUE.equals(meshSafeProperties.getFailOpen())
+        && !check.getFailedFileNames().isEmpty()) {
+      throw new BusinessException(
+          buildBlockedMessage(check.getFailedFileNames(), "安全检测失败，请重新检测后再试"));
+    }
+  }
+
+  @Override
+  public FileSecurityShareCheckDTO shareCheck(Long userFileId) {
+    FileSecurityShareCheckDTO result = FileSecurityShareCheckDTO.builder()
+        .userFileId(userFileId)
+        .totalFileCount(0)
+        .blockedCount(0)
+        .scanningCount(0)
+        .failedCount(0)
+        .blockedFileNames(new ArrayList<>())
+        .scanningFileNames(new ArrayList<>())
+        .failedFileNames(new ArrayList<>())
+        .excludeFileIds(new ArrayList<>())
+        .build();
+    if (!isEnabled()) {
+      return result;
+    }
+    Assert.notNull(userFileId, "文件ID不能为空");
+    UserFileDTO userFile = userFileService.findOne(UserFileQueryDTO.builder()
+        .id(userFileId)
+        .rootType(RootTypeEnum.NORMAL.getType())
+        .build());
+    result.setFileType(userFile.getFileType());
+
+    // 收集该文件及子文件(文件夹展开)的记录,pathLike为包含匹配,精确过滤自身与子孙节点
+    UserFileQueryDTO queryDTO = UserFileQueryDTO.builder()
+        .userId(userFile.getUserId())
+        .rootType(RootTypeEnum.NORMAL.getType())
+        .fileType(FileTypeEnum.FILE.getType())
+        .pathLike(userFile.getPath())
+        .build();
+    queryDTO.disablePage();
+    List<UserFileDTO> files = userFileService.list(queryDTO);
+    String pathPrefix = userFile.getPath() + ",";
+    Map<String, List<UserFileDTO>> filesByCode = files.stream()
+        .filter(f -> StringUtils.isNotBlank(f.getFileCode()))
+        .filter(f -> f.getPath().equals(userFile.getPath()) || f.getPath().startsWith(pathPrefix))
+        .collect(Collectors.groupingBy(UserFileDTO::getFileCode));
+    result.setTotalFileCount(filesByCode.values().stream().mapToInt(List::size).sum());
+    if (filesByCode.isEmpty()) {
+      return result;
+    }
+
+    collectStatusFiles(result, filesByCode, SecurityScanStatusEnum.REJECTED.getStatus(), true);
+    collectStatusFiles(result, filesByCode, SecurityScanStatusEnum.SCANNING.getStatus(), true);
+    boolean excludeFailed = !Boolean.TRUE.equals(meshSafeProperties.getFailOpen());
+    collectStatusFiles(result, filesByCode, SecurityScanStatusEnum.FAILED.getStatus(), excludeFailed);
+
+    result.setBlockedCount(result.getBlockedFileNames().size());
+    result.setScanningCount(result.getScanningFileNames().size());
+    result.setFailedCount(result.getFailedFileNames().size());
+    return result;
+  }
+
+  @Override
+  public List<Long> resolveShareExclusions(Long userFileId, boolean onlyPassed, String actionName) {
+    FileSecurityShareCheckDTO check = shareCheck(userFileId);
+    boolean hasBlocked = !check.getBlockedFileNames().isEmpty();
+    boolean hasScanning = !check.getScanningFileNames().isEmpty();
+    boolean hasFailed = !Boolean.TRUE.equals(meshSafeProperties.getFailOpen())
+        && !check.getFailedFileNames().isEmpty();
+    if (!hasBlocked && !hasScanning && !hasFailed) {
+      return Collections.emptyList();
+    }
+    boolean isFolder = FileTypeEnum.FOLDER.getType().equals(check.getFileType());
+    if (!isFolder || !onlyPassed) {
+      // 单文件被拦截,或文件夹未确认跳过:维持整体拦截
+      this.checkShareable(userFileId);
+    }
+    if (check.getTotalFileCount() <= check.getExcludeFileIds().size()) {
+      throw new BusinessException("文件夹内没有检测通过的文件，无法" + actionName);
+    }
+    return check.getExcludeFileIds();
+  }
+
+  /**
+   * 按检测状态收集命中的文件名与需排除的文件ID
+   */
+  private void collectStatusFiles(FileSecurityShareCheckDTO result,
+      Map<String, List<UserFileDTO>> filesByCode, String status, boolean exclude) {
+    List<FileSecurityDTO> records = fileSecurityMapper.listLatestByStatusIn(
+        new ArrayList<>(filesByCode.keySet()), Collections.singletonList(status));
+    for (FileSecurityDTO record : records) {
+      List<UserFileDTO> matched = filesByCode.get(record.getFileCode());
+      if (matched == null) {
+        continue;
+      }
+      for (UserFileDTO file : matched) {
+        if (SecurityScanStatusEnum.REJECTED.getStatus().equals(status)) {
+          result.getBlockedFileNames().add(file.getFileName());
+        } else if (SecurityScanStatusEnum.SCANNING.getStatus().equals(status)) {
+          result.getScanningFileNames().add(file.getFileName());
+        } else {
+          result.getFailedFileNames().add(file.getFileName());
+        }
+        if (exclude) {
+          result.getExcludeFileIds().add(file.getId());
+        }
+      }
+    }
+  }
+
+  @Override
+  public FileSecurityDTO review(FileSecurityReviewDTO reviewDTO) {
+    Long operateUserId = UserContextHolder.getExistLoginUserId();
+    Assert.isTrue(isEnabled(), "文件安全检测未开启");
+    Assert.isTrue(UserContextHolder.isSuperior() || UserContextHolder.isAdministrator(),
+        "当前用户无操作权限");
+
+    String fileCode = reviewDTO.getFileCode();
+    String decision = reviewDTO.getDecision();
+    Assert.isTrue(MESHSAFE_ACTION_PASS.equals(decision) || MESHSAFE_ACTION_REJECT.equals(decision),
+        "复核结论不合法,仅支持pass/reject");
+
+    FileSecurityDTO latest = latest(fileCode);
+    Assert.notNull(latest, "该文件无安全检测记录");
+    this.checkOrgScope(fileCode);
+
+    FileSecurity record = FileSecurity.builder()
+        .fileCode(fileCode)
+        .taskId(latest.getTaskId())
+        .scanStatus(MESHSAFE_ACTION_PASS.equals(decision)
+            ? SecurityScanStatusEnum.PASSED.getStatus()
+            : SecurityScanStatusEnum.REJECTED.getStatus())
+        .action(MESHSAFE_ACTION_MANUAL_REVIEW)
+        .reason(reviewDTO.getComment())
+        .reviewComment(reviewDTO.getComment())
+        .build();
+    fileSecurityMapper.saveEntity(record);
+
+    // 尽力回写MeshSafe人工复核结论,失败仅告警不影响本地生效
+    if (Boolean.TRUE.equals(meshSafeProperties.getReviewSyncToMeshSafe())
+        && StringUtils.isNotBlank(latest.getTaskId())) {
+      try {
+        meshSafeClient.review(latest.getTaskId(), decision, reviewDTO.getComment());
+      } catch (Exception e) {
+        log.warn("回写MeshSafe人工复核结论失败, fileCode: {}, taskId: {}",
+            fileCode, latest.getTaskId(), e);
+      }
+    }
+
+    log.info("文件安全检测人工复核完成, fileCode: {}, decision: {}, operateUserId: {}",
+        fileCode, decision, operateUserId);
+
+    FileSecurityDTO result = new FileSecurityDTO();
+    result.setFileCode(record.getFileCode());
+    result.setTaskId(record.getTaskId());
+    result.setScanStatus(record.getScanStatus());
+    result.setAction(record.getAction());
+    result.setReason(record.getReason());
+    result.setReviewComment(record.getReviewComment());
+    return result;
+  }
+
+  @Override
+  @Transactional
+  public void rescan(String fileCode) {
+    Assert.isTrue(isEnabled(), "文件安全检测未开启");
+    Assert.isTrue(UserContextHolder.isSuperior() || UserContextHolder.isAdministrator(),
+        "当前用户无操作权限");
+    Assert.notBlank(fileCode, "文件编码不能为空");
+
+    FileSecurityDTO latest = latest(fileCode);
+    Assert.isTrue(latest == null
+            || !SecurityScanStatusEnum.isScanning(latest.getScanStatus()),
+        "文件正在安全检测中,请勿重复操作");
+    this.checkOrgScope(fileCode);
+
+    FileRecord fileRecord = fileRecordService.find(
+        FileRecord.builder().fileCode(fileCode).build());
+    Assert.notNull(fileRecord, "文件不存在");
+
+    // 事务使本方法成为advised方法,AopContext.currentProxy()才能取到本Service代理
+    ((FileSecurityService) AopContext.currentProxy())
+        .resubmitScanAsync(fileCode, fileRecord.getFileName());
+  }
+
+  @Override
+  public void pollPendingScans() {
+    if (!isEnabled()) {
+      return;
+    }
+    List<FileSecurityDTO> scanningList = fileSecurityMapper.listScanning();
+    if (scanningList.isEmpty()) {
+      return;
+    }
+    log.info("开始轮询未完成的文件安全检测任务, 数量: {}", scanningList.size());
+    for (FileSecurityDTO scanning : scanningList) {
+      try {
+        if (isPollTimeout(scanning)) {
+          markFailed(scanning.getId(), "安全检测超时");
+          continue;
+        }
+        if (StringUtils.isBlank(scanning.getTaskId())) {
+          // 定时兜底补提交(异步提交失败未落taskId的记录)
+          this.submitScanningRecord(scanning.getId());
+        } else {
+          MeshSafeScanResult result = meshSafeClient.getScan(scanning.getTaskId());
+          applyScanResult(scanning.getId(), result);
+        }
+      } catch (Exception e) {
+        log.warn("轮询文件安全检测任务失败, id: {}, fileCode: {}, taskId: {}",
+            scanning.getId(), scanning.getFileCode(), scanning.getTaskId(), e);
+      }
+    }
+  }
+
+  /**
+   * 补提交指定检测中记录:仍为检测中且无taskId时才提交
+   */
+  private void submitScanningRecord(Long recordId) {
+    FileSecurity record = fileSecurityMapper.getById(recordId);
+    if (record == null
+        || !SecurityScanStatusEnum.isScanning(record.getScanStatus())
+        || StringUtils.isNotBlank(record.getTaskId())) {
+      return;
+    }
+    if (!RedissonUtils.tryLock(getLockDTO(record.getFileCode()))) {
+      return;
+    }
+    try {
+      // 双重检查:拿到锁后记录可能已被其他实例处理
+      record = fileSecurityMapper.getById(recordId);
+      if (record == null
+          || !SecurityScanStatusEnum.isScanning(record.getScanStatus())
+          || StringUtils.isNotBlank(record.getTaskId())) {
+        return;
+      }
+      byte[] fileBytes = readFileBytes(record.getFileCode());
+      MeshSafeScanResult result = meshSafeClient.scan(resolveFileName(record.getFileCode()), fileBytes);
+      applyScanResult(recordId, result);
+    } catch (Exception e) {
+      log.error("补提交文件安全检测失败, recordId: {}, fileCode: {}", recordId, record.getFileCode(), e);
+    } finally {
+      RedissonUtils.unlock(getLockDTO(record.getFileCode()));
+    }
+  }
+
+  /**
+   * 提交检测(可在异步线程或轮询任务中执行)
+   *
+   * @param force false-已有检测中/通过/不通过记录时跳过; true-仅已有检测中记录时跳过(用于重新检测)
+   */
+  private void submitScanInternal(String fileCode, String fileName, boolean force) {
+    try {
+      if (!isEnabled() || StringUtils.isBlank(fileCode)) {
+        return;
+      }
+      if (!RedissonUtils.tryLock(getLockDTO(fileCode))) {
+        return;
+      }
+      try {
+        FileSecurityDTO latest = latest(fileCode);
+        if (latest != null
+            && !SecurityScanStatusEnum.FAILED.getStatus().equals(latest.getScanStatus())) {
+          if (!force || SecurityScanStatusEnum.isScanning(latest.getScanStatus())) {
+            return;
+          }
+        }
+        FileSecurity record = FileSecurity.builder()
+            .fileCode(fileCode)
+            .scanStatus(SecurityScanStatusEnum.SCANNING.getStatus())
+            .build();
+        fileSecurityMapper.saveEntity(record);
+
+        byte[] fileBytes = readFileBytes(fileCode);
+        MeshSafeScanResult result = meshSafeClient.scan(
+            StringUtils.defaultIfBlank(fileName, resolveFileName(fileCode)), fileBytes);
+        applyScanResult(record.getId(), result);
+      } finally {
+        RedissonUtils.unlock(getLockDTO(fileCode));
+      }
+    } catch (Exception e) {
+      log.error("文件安全检测提交失败, fileCode: {}", fileCode, e);
+      markFailedQuietly(fileCode, "安全检测提交失败: " + e.getMessage());
+    }
+  }
+
+  /**
+   * 按MeshSafe结论回写检测记录
+   * completed时manual_review与reject均判为不通过(保守不放行,由人工复核放行)
+   */
+  private void applyScanResult(Long recordId, MeshSafeScanResult result) {
+    FileSecurity update = FileSecurity.builder().id(recordId).build();
+    String status = result.getStatus();
+    if (MESHSAFE_STATUS_COMPLETED.equals(status)) {
+      update.setTaskId(result.getTaskId());
+      update.setAction(result.getAction());
+      update.setReason(result.getReason());
+      update.setResultJson(result.getRawJson());
+      if (MESHSAFE_ACTION_PASS.equals(result.getAction())) {
+        update.setScanStatus(SecurityScanStatusEnum.PASSED.getStatus());
+      } else {
+        update.setScanStatus(SecurityScanStatusEnum.REJECTED.getStatus());
+      }
+    } else if (MESHSAFE_STATUS_FAILED.equals(status)) {
+      update.setTaskId(result.getTaskId());
+      update.setScanStatus(SecurityScanStatusEnum.FAILED.getStatus());
+      update.setReason(StringUtils.defaultIfBlank(result.getReason(),
+          StringUtils.defaultIfBlank(result.getMessage(), "安全检测失败")));
+      update.setResultJson(result.getRawJson());
+    } else {
+      // pending/running: 记录taskId等待轮询
+      update.setTaskId(result.getTaskId());
+    }
+    fileSecurityMapper.updateEntitySelective(update);
+  }
+
+  private void markFailedQuietly(String fileCode, String reason) {
+    try {
+      FileSecurityDTO latest = latest(fileCode);
+      if (latest != null && SecurityScanStatusEnum.isScanning(latest.getScanStatus())) {
+        markFailed(latest.getId(), reason);
+      }
+    } catch (Exception e) {
+      log.error("标记检测失败状态异常, fileCode: {}", fileCode, e);
+    }
+  }
+
+  private void markFailed(Long recordId, String reason) {
+    FileSecurity update = FileSecurity.builder()
+        .id(recordId)
+        .scanStatus(SecurityScanStatusEnum.FAILED.getStatus())
+        .reason(reason)
+        .build();
+    fileSecurityMapper.updateEntitySelective(update);
+  }
+
+  private boolean isPollTimeout(FileSecurityDTO scanning) {
+    Integer timeoutMinutes = meshSafeProperties.getPollTimeoutMinutes();
+    if (timeoutMinutes == null || timeoutMinutes <= 0) {
+      return false;
+    }
+    Date baseline = scanning.getUpdateTime() != null
+        ? scanning.getUpdateTime() : scanning.getCreateTime();
+    if (baseline == null) {
+      return false;
+    }
+    return System.currentTimeMillis() - baseline.getTime() > timeoutMinutes * 60L * 1000L;
+  }
+
+  private String resolveFileName(String fileCode) {
+    FileRecord fileRecord = fileRecordService.find(
+        FileRecord.builder().fileCode(fileCode).build());
+    return fileRecord == null ? fileCode : fileRecord.getFileName();
+  }
+
+  private byte[] readFileBytes(String fileCode) {
+    FileRecord fileRecord = fileRecordService.find(
+        FileRecord.builder().fileCode(fileCode).build());
+    Assert.notNull(fileRecord, "未找到对应文件, fileCode: " + fileCode);
+    try (InputStream inputStream = FileStorageUtils.get().download(fileRecord.getFilePath())) {
+      Assert.notNull(inputStream, "获取文件流失败, fileCode: " + fileCode);
+      ByteArrayOutputStream bos = new ByteArrayOutputStream();
+      byte[] buffer = new byte[8192];
+      int len;
+      while ((len = inputStream.read(buffer)) > 0) {
+        bos.write(buffer, 0, len);
+      }
+      return bos.toByteArray();
+    } catch (BusinessException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new BusinessException("读取待检测文件失败, fileCode: " + fileCode, e);
+    }
+  }
+
+  /**
+   * 非平台超管(机构管理员)操作文件时,校验文件所属用户属于本机构
+   */
+  private void checkOrgScope(String fileCode) {
+    if (UserContextHolder.isSuperior()) {
+      return;
+    }
+    UserFileDTO ownerFile = userFileService.find(UserFileQueryDTO.builder()
+        .fileCode(fileCode)
+        .rootType(RootTypeEnum.NORMAL.getType())
+        .build());
+    Assert.notNull(ownerFile, "文件不存在");
+    Assert.isTrue(
+        orgUserService.existOrgUser(UserContextHolder.getExistLoginOrgId(), ownerFile.getUserId()),
+        "只能操作本机构的文件");
+  }
+
+  private String buildBlockedMessage(List<String> fileNames, String reasonSuffix) {
+    List<String> distinct = fileNames.stream().distinct().limit(3).collect(Collectors.toList());
+    String detail = String.join("、", distinct)
+        + (fileNames.size() > 3 ? " 等" : "");
+    return "文件「" + detail + "」" + reasonSuffix;
+  }
+
+  private boolean isEnabled() {
+    return Boolean.TRUE.equals(meshSafeProperties.getEnabled())
+        && StringUtils.isNotBlank(meshSafeProperties.getBaseUrl())
+        && StringUtils.isNotBlank(meshSafeProperties.getClientId())
+        && StringUtils.isNotBlank(meshSafeProperties.getSecret());
+  }
+
+  public static LockDTO getLockDTO(String fileCode) {
+    Assert.notBlank(fileCode, "文件编码不能为空");
+    return LockDTO.builder()
+        .methodName("filesecurity")
+        .tryLockWaitTime(0L)
+        .lockTimeout(60 * 5L)
+        .arg(fileCode)
+        .failMsg("该文件安全检测正在被操作")
+        .build();
+  }
+}
--- a/src/main/java/com/senmesh/sfile/service/impl/NormalUserFileServiceImpl.java
+++ b/src/main/java/com/senmesh/sfile/service/impl/NormalUserFileServiceImpl.java
@@ -8,6 +8,7 @@ import com.senmesh.sfile.constant.FileTypeEnum;
 import com.senmesh.sfile.constant.RootTypeEnum;
 import com.senmesh.sfile.dto.UserFileCreateDTO;
 import com.senmesh.sfile.dto.UserFileDTO;
+import com.senmesh.sfile.service.FileSecurityService;
 import com.senmesh.sfile.service.NormalUserFileService;
 import com.senmesh.sfile.service.UploadConfigService;
 import com.senmesh.sfile.service.UserFileService;
@@ -31,13 +32,15 @@ public class NormalUserFileServiceImpl implements NormalUserFileService {
  @Autowired
  private FileRecordService fileRecordService;

+  @Autowired
+  private FileSecurityService fileSecurityService;
+
  @Override
  @Transactional
  public UserFileDTO create(UserFileCreateDTO createDTO) {
    createDTO.setUserId(UserContextHolder.getExistLoginUserId());
    // 设置根类型为普通
    createDTO.setRootType(RootTypeEnum.NORMAL.getType());
-    // TODO 扫描文件审核
    createDTO.setFileStatus(FileStatusEnum.NORMAL.getStatus());
    // 机构上传配置校验(仅校验文件,文件夹无后缀/大小概念)
    if (FileTypeEnum.isFile(createDTO.getFileType())) {
@@ -50,7 +53,13 @@ public class NormalUserFileServiceImpl implements NormalUserFileService {
      uploadConfigService.check(createDTO.getFileName(), fileSize);
    }
    // 创建用户文件
-    return userFileService.create(createDTO);
+    UserFileDTO userFileDTO = userFileService.create(createDTO);
+    // MeshSafe文件安全检测(异步送检,不影响主流程)
+    if (FileTypeEnum.isFile(createDTO.getFileType())
+        && StringUtils.isNotBlank(createDTO.getFileCode())) {
+      fileSecurityService.submitScanAsync(createDTO.getFileCode(), createDTO.getFileName());
+    }
+    return userFileDTO;
  }
 }

--- a/src/main/java/com/senmesh/sfile/service/impl/ShareUserFileServiceImpl.java
+++ b/src/main/java/com/senmesh/sfile/service/impl/ShareUserFileServiceImpl.java
@@ -9,6 +9,7 @@ import com.senmesh.sfile.dto.ExpandUserFileCreateDTO;
 import com.senmesh.sfile.dto.ShareUserFileCreateDTO;
 import com.senmesh.sfile.dto.UserFileDTO;
 import com.senmesh.sfile.dto.UserFileQueryDTO;
+import com.senmesh.sfile.service.FileSecurityService;
 import com.senmesh.sfile.service.ShareUserFileService;
 import com.senmesh.sfile.service.UserFileService;
 import java.util.List;
@@ -28,6 +29,9 @@ public class ShareUserFileServiceImpl implements ShareUserFileService {
  @Autowired
  private UserFileService userFileService;

+  @Autowired
+  private FileSecurityService fileSecurityService;
+
  @Override
  @Transactional
  public Long create(ShareUserFileCreateDTO createDTO) {
@@ -35,6 +39,10 @@ public class ShareUserFileServiceImpl implements ShareUserFileService {
    Long userId = UserContextHolder.getExistLoginUserId();
    Integer validDays = createDTO.getValidDays();

+    // MeshSafe安全检测校验:单文件不通过直接拦截;文件夹确认跳过时仅分享通过的内容
+    List<Long> excludeIds = fileSecurityService.resolveShareExclusions(
+        userFileId, Boolean.TRUE.equals(createDTO.getOnlyPassed()), "分享");
+
    // 根据有效天数计算过期时间
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(new Date());
@@ -52,6 +60,7 @@ public class ShareUserFileServiceImpl implements ShareUserFileService {
        .fileStatus(FileStatusEnum.NORMAL.getStatus())
        .accessCode(accessCode)
        .endTime(endTime)
+        .excludeFileIds(excludeIds)
        .build();
    return userFileService.create(expandCreateDTO).getFolder().getId();
  }
--- a/src/main/java/com/senmesh/sfile/service/impl/TransferFileMonitorServiceImpl.java
+++ b/src/main/java/com/senmesh/sfile/service/impl/TransferFileMonitorServiceImpl.java
@@ -14,6 +14,7 @@ import com.senmesh.sfile.dto.TransferMetadataDTO;
 import com.senmesh.sfile.dto.UserFileDTO;
 import com.senmesh.sfile.dto.UserFileModifyStatusDTO;
 import com.senmesh.sfile.service.FileRiskService;
+import com.senmesh.sfile.service.FileSecurityService;
 import com.senmesh.sfile.service.TransferFileMonitorService;
 import com.senmesh.sfile.service.UserFileService;
 import com.senmesh.usercenter.user.dto.UserDTO;
@@ -64,6 +65,9 @@ public class TransferFileMonitorServiceImpl implements TransferFileMonitorServic
  @Autowired
  private FileRiskService fileRiskService;

+  @Autowired
+  private FileSecurityService fileSecurityService;
+
  @Autowired
  private UserService userService;

@@ -150,10 +154,13 @@ public class TransferFileMonitorServiceImpl implements TransferFileMonitorServic
      // 2. 解包并创建用户文件（传入已解析的元数据，直接创建为正常状态）
      ExpandUserFileDTO result = unpackTransferFileInternal(zipFile, metadata);

-      // 3. 创建 .finish 文件到发送目录，告诉发送方处理完成
+      // 3. MeshSafe文件安全检测(异步送检,不影响解包流程)
+      submitSecurityScan(result);
+
+      // 4. 创建 .finish 文件到发送目录，告诉发送方处理完成
      createFinishFile(fileName);

-      // 4. 删除已处理的 ZIP 文件
+      // 5. 删除已处理的 ZIP 文件
      Files.delete(zipFile);
      log.info("处理完成，已删除 ZIP 文件: {}", fileName);

@@ -162,6 +169,20 @@ public class TransferFileMonitorServiceImpl implements TransferFileMonitorServic
    }
  }

+  /**
+   * MeshSafe文件安全检测:解包产生的每个文件异步送检,失败不影响解包流程
+   */
+  private void submitSecurityScan(ExpandUserFileDTO expandUserFileDTO) {
+    if (expandUserFileDTO == null || expandUserFileDTO.getFiles() == null) {
+      return;
+    }
+    for (UserFileDTO file : expandUserFileDTO.getFiles()) {
+      if (StringUtils.isNotBlank(file.getFileCode())) {
+        fileSecurityService.submitScanAsync(file.getFileCode(), file.getFileName());
+      }
+    }
+  }
+
  /**
   * 根据源端用户手机号和用户类型映射目标端用户。映射失败时改名为 .error，避免定时任务重复解包。
   */
--- a/src/main/java/com/senmesh/sfile/service/impl/TransferUserFileServiceImpl.java
+++ b/src/main/java/com/senmesh/sfile/service/impl/TransferUserFileServiceImpl.java
@@ -13,6 +13,7 @@ import com.senmesh.sfile.dto.ExpandUserFileDTO;
 import com.senmesh.sfile.dto.TransferMetadataDTO;
 import com.senmesh.sfile.dto.TransferUserFileCreateDTO;
 import com.senmesh.sfile.dto.UserFileDTO;
+import com.senmesh.sfile.service.FileSecurityService;
 import com.senmesh.sfile.service.TransferUserFileService;
 import com.senmesh.sfile.service.UserFileService;
 import com.senmesh.usercenter.user.dto.UserDTO;
@@ -51,11 +52,18 @@ public class TransferUserFileServiceImpl implements TransferUserFileService {
  @Autowired
  private UserService userService;

+  @Autowired
+  private FileSecurityService fileSecurityService;
+
  @Override
  @Transactional
  public Long create(TransferUserFileCreateDTO createDTO) {
    Long userId = UserContextHolder.getExistLoginUserId();

+    // MeshSafe安全检测校验:单文件不通过直接拦截;文件夹确认跳过时仅传输通过的内容
+    List<Long> excludeIds = fileSecurityService.resolveShareExclusions(
+        createDTO.getUserFileId(), Boolean.TRUE.equals(createDTO.getOnlyPassed()), "传输");
+
    // 根据 FileProperties#location 的类型决定是内穿外还是外传内
    String location = fileProperties.getTransfer().getLocation();
    String rootType;
@@ -73,6 +81,7 @@ public class TransferUserFileServiceImpl implements TransferUserFileService {
        .userId(userId)
        .rootType(rootType)
        .fileStatus(FileStatusEnum.TRANSFERRING.getStatus())
+        .excludeFileIds(excludeIds)
        .build();
    ExpandUserFileDTO expandUserFileDTO = userFileService.create(expandCreateDTO);

--- a/src/main/java/com/senmesh/sfile/service/impl/UserFileServiceImpl.java
+++ b/src/main/java/com/senmesh/sfile/service/impl/UserFileServiceImpl.java
@@ -149,10 +149,15 @@ public class UserFileServiceImpl implements UserFileService {
        .build();
    queryDTO.disablePage();
    List<UserFileDTO> filesToCopy = this.list(queryDTO);
+    List<Long> excludeFileIds = expandCreateDTO.getExcludeFileIds();

-    // 4. 在文件夹下创建文件对象
+    // 4. 在文件夹下创建文件对象(跳过需排除的文件,如安全检测未通过确认跳过分享)
    List<UserFileDTO> createdFiles = new java.util.ArrayList<>();
    for (UserFileDTO fileDTO : filesToCopy) {
+      if (excludeFileIds != null && excludeFileIds.contains(fileDTO.getId())) {
+        log.info("复制用户文件时跳过排除文件: id={}, fileName={}", fileDTO.getId(), fileDTO.getFileName());
+        continue;
+      }
      UserFileCreateDTO fileCreateDTO = UserFileCreateDTO.builder()
          .userId(userId)
          .rootType(rootType)