mirror of
https://gitee.com/bookshelfplus/bookshelfplus
synced 2025-09-04 08:01:39 +08:00
367 lines
17 KiB
Java
367 lines
17 KiB
Java
package plus.bookshelf.Controller.Controller;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.aventrix.jnanoid.jnanoid.NanoIdUtils;
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import com.qcloud.cos.http.HttpMethodName;
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import io.swagger.annotations.Api;
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import io.swagger.annotations.ApiOperation;
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import org.springframework.beans.BeanUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.*;
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import plus.bookshelf.Common.Enum.FileStorageMediumEnum;
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import plus.bookshelf.Common.Error.BusinessErrorCode;
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import plus.bookshelf.Common.Error.BusinessException;
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import plus.bookshelf.Common.FileManager.QCloudCosUtils;
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import plus.bookshelf.Common.Response.CommonReturnType;
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import plus.bookshelf.Config.QCloudCosConfig;
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import plus.bookshelf.Controller.VO.FileObjectVO;
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import plus.bookshelf.Controller.VO.FileVO;
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import plus.bookshelf.Service.Impl.*;
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import plus.bookshelf.Service.Model.FileModel;
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import plus.bookshelf.Service.Model.FileObjectModel;
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import plus.bookshelf.Service.Model.UserModel;
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import plus.bookshelf.Service.Service.CosPresignedUrlGenerateLogService;
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import java.lang.reflect.InvocationTargetException;
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import java.util.*;
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@Api(tags = "文件管理")
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@Controller("file")
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@RequestMapping("/file")
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public class FileController extends BaseController {
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@Autowired
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QCloudCosConfig qCloudCosConfig;
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@Autowired
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UserServiceImpl userService;
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@Autowired
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FileServiceImpl fileService;
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@Autowired
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CosPresignedUrlGenerateLogService cosPresignedUrlGenerateLogService;
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@Autowired
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FileObjectServiceImpl fileObjectService;
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@Autowired
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FailureFeedbackServiceImpl failureFeedbackService;
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@Autowired
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VisitorFingerprintLogServiceImpl visitorFingerprintLogService;
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@ApiOperation(value = "书籍下载页面获取文件提供的下载方式", notes = "")
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@RequestMapping(value = "getFile", method = {RequestMethod.GET})
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@ResponseBody
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public CommonReturnType getFile(@RequestParam(value = "bookId", required = false) Integer bookId) throws BusinessException, InvocationTargetException, IllegalAccessException {
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List<FileModel> fileModels = fileService.getFile(bookId);
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List<FileVO> fileVOS = new ArrayList<>();
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for (FileModel fileModel : fileModels) {
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FileVO fileVO = convertFileVOFromModel(fileModel);
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fileVOS.add(fileVO);
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}
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List<FileObjectModel> fileObjectModels = fileObjectService.getFileObjectByBookId(bookId);
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List<FileObjectVO> fileObjectVOS = new ArrayList<>();
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for (FileObjectModel fileObjectModel : fileObjectModels) {
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FileObjectVO fileObjectVO = FileObjectController.convertFileObjectVOFromModel(fileObjectModel);
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fileObjectVOS.add(fileObjectVO);
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}
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Map<String, Object> map = new HashMap<>();
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map.put("file", fileVOS);
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map.put("fileObject", fileObjectVOS);
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return CommonReturnType.create(map);
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}
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@ApiOperation(value = "【管理员】查询文件列表", notes = "查询文件列表")
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@RequestMapping(value = "list", method = {RequestMethod.POST}, consumes = {CONTENT_TYPE_FORMED})
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@ResponseBody
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public CommonReturnType list(@RequestParam(value = "token", required = false) String token) throws InvocationTargetException, IllegalAccessException, BusinessException {
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UserModel userModel = userService.getUserByToken(redisTemplate, token);
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if (userModel == null || !Objects.equals(userModel.getGroup(), "ADMIN")) {
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throw new BusinessException(BusinessErrorCode.OPERATION_NOT_ALLOWED, "非管理员用户无权进行此操作");
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}
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List<FileModel> fileModels = fileService.list();
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List<FileVO> fileVOS = new ArrayList<>();
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for (FileModel fileModel : fileModels) {
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FileVO fileVO = convertFileVOFromModel(fileModel);
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fileVOS.add(fileVO);
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}
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return CommonReturnType.create(fileVOS);
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}
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@ApiOperation(value = "【管理员】查询文件列表（匹配文件哈希）", notes = "查询文件列表，返回文件哈希为空或者相同的文件")
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@RequestMapping(value = "list/MatchfileHash", method = {RequestMethod.POST}, consumes = {CONTENT_TYPE_FORMED})
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@ResponseBody
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public CommonReturnType matchfileHash(@RequestParam(value = "token", required = false) String token,
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@RequestParam(value = "fileSha1", required = true) String fileSha1) throws InvocationTargetException, IllegalAccessException, BusinessException {
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UserModel userModel = userService.getUserByToken(redisTemplate, token);
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if (userModel == null || !Objects.equals(userModel.getGroup(), "ADMIN")) {
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throw new BusinessException(BusinessErrorCode.OPERATION_NOT_ALLOWED, "非管理员用户无权进行此操作");
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}
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List<FileModel> fileModels = fileService.selectBySha1WithNullValue(fileSha1);
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List<FileVO> fileVOS = new ArrayList<>();
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for (FileModel fileModel : fileModels) {
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FileVO fileVO = convertFileVOFromModel(fileModel);
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fileVOS.add(fileVO);
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}
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return CommonReturnType.create(fileVOS);
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}
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/**
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* 创建文件操作预授权URL
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*
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* @param httpMethod 请求的 HTTP 方法，上传请求用 PUT，下载请求用 GET，删除请求用 DELETE
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* @param token 当前登录用户的 token
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* @param fileName 文件名
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* @param expireMinute 过期时间（分钟）
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* @return
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* @throws BusinessException
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*/
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@ApiOperation(value = "【用户|管理员】创建腾讯云 COS 预授权 URL", notes = "")
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@RequestMapping(value = "/cos/{httpMethod}", method = {RequestMethod.POST}, consumes = {CONTENT_TYPE_FORMED})
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@ResponseBody
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public CommonReturnType cos(@PathVariable(value = "httpMethod") String httpMethod,
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@RequestParam(value = "token") String token,
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@RequestParam(value = "fileSha1") String fileSha1,
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@RequestParam(value = "expireMinute", required = false) Integer expireMinute,
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// 以下为 PUT 请求必传参数
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@RequestParam(value = "fileName", required = false) String fileName, // 不含扩展名
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@RequestParam(value = "fileSize", required = false) Long fileSize,
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// @RequestParam(value = "fileType", required = false) String fileType,
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@RequestParam(value = "lastModified", required = false) Long lastModified,
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@RequestParam(value = "fileExt", required = false) String fileExt,
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@RequestParam(value = "fileId", required = false) Integer fileId, // 关联的文件ID，创建新文件则为0
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// 以下为 GET 请求必传参数
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@RequestParam(value = "fileNameAndExt", required = false) String fileNameAndExt,
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@RequestParam(value = "visitorId", required = false) String visitorFingerprint
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) throws BusinessException, InvocationTargetException, IllegalAccessException {
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if (expireMinute == null) {
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expireMinute = 30;
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} else if (expireMinute > 60) {
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throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "expireMinute 参数不能大于 60");
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} else if (expireMinute < 1) {
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throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "expireMinute 参数不能小于 1");
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}
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// 已经在 getUserByToken 方法中判断了 token 为空、不合法；用户不存在情况，此处无需再判断
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UserModel userModel = userService.getUserByToken(redisTemplate, token);
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// 判断httpMethod 是否合法
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HttpMethodName httpMethodName;
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try {
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httpMethodName = HttpMethodName.valueOf(httpMethod.toUpperCase());
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} catch (Exception e) {
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throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "httpMethod 参数不合法");
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}
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QCloudCosUtils qCloudCosUtils = new QCloudCosUtils(qCloudCosConfig, cosPresignedUrlGenerateLogService);
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// 当次生成下载链接的全局唯一Id
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String urlGUID = NanoIdUtils.randomNanoId();
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String bookSaveFolder = QCloudCosUtils.BOOK_SAVE_FOLDER;
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// 判断对象是否存在
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Boolean isExist = qCloudCosUtils.doesObjectExist(bookSaveFolder, fileSha1);
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String url = null;
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Map resultMap = new HashMap();
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resultMap.put("guid", urlGUID);
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switch (httpMethodName) {
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case PUT:
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// 上传文件
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if (isExist) throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "文件已存在");
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Integer realFileId = fileObjectService.uploadFile(fileId, fileName, bookSaveFolder + fileSha1, fileSize,
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fileSha1, fileExt, FileStorageMediumEnum.QCLOUD_COS, "", lastModified);
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// fileId 可能为 0 （创建新文件）
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// realFileId 是从数据库中查询出来的，真实的文件id
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resultMap.put("fileId", realFileId);
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url = qCloudCosUtils.generatePresignedUrl(userModel.getId(), httpMethodName, bookSaveFolder, fileSha1, expireMinute, urlGUID);
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break;
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case GET:
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if (!isExist) throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "文件不存在");
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if (visitorFingerprint == null || !visitorFingerprintLogService.saveFingerprint("FailureFeedback", userModel.getId(), visitorFingerprint)) {
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throw new BusinessException(BusinessErrorCode.OPERATION_NOT_ALLOWED, "参数错误，请联系管理员处理");
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}
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url = qCloudCosUtils.generatePresignedUrlForGET(userModel.getId(), bookSaveFolder, fileSha1, expireMinute, urlGUID, fileNameAndExt);
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break;
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case DELETE:
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if (!isExist) throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "文件不存在");
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url = qCloudCosUtils.generatePresignedUrl(userModel.getId(), httpMethodName, bookSaveFolder, fileSha1, expireMinute, urlGUID);
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break;
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default:
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throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "httpMethod 参数暂不支持");
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}
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resultMap.put("url", url);
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return CommonReturnType.create(resultMap);
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}
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/**
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* 腾讯云 COS 文件上传成功回调方法
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*
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* @param eventStr
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* @param contextStr
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* @return
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* @throws BusinessException
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*/
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@ApiOperation(value = "【COS】腾讯云 COS 文件上传成功回调", notes = "客户端向腾讯云 COS 存储桶上传文件完毕，有云函数触发此请求")
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@RequestMapping(value = "/upload/cos-check-file-state", method = {RequestMethod.POST}, consumes = {CONTENT_TYPE_FORMED})
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@ResponseBody
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public CommonReturnType cosCheckFileStatus(
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// @RequestParam() Map<String, String> params,
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@RequestParam(value = "event") String eventStr,
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@RequestParam(value = "context", required = false) String contextStr
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) throws BusinessException, InvocationTargetException, IllegalAccessException {
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JSONObject eventObject;
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try {
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eventObject = JSON.parseObject(eventStr);
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} catch (Exception e) {
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throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "event参数不合法");
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}
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String cosBucketName, appid, cosRegion, eventName, key;
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try {
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// 获取 Records 节点
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JSONArray records = eventObject.getJSONArray("Records");
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JSONObject record = records.getJSONObject(0);
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JSONObject cos = record.getJSONObject("cos");
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JSONObject cosBucket = cos.getJSONObject("cosBucket");
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appid = cosBucket.getString("appid");
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cosBucketName = cosBucket.getString("name");
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if (Objects.equals(appid, "1253970026") && Objects.equals(cosBucketName, "testpic")) {
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// 执行的是腾讯云云函数的测试请求
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return CommonReturnType.create("您的云函数配置成功。");
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}
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cosRegion = cosBucket.getString("cosRegion");
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JSONObject cosObject = cos.getJSONObject("cosObject");
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key = cosObject.getString("key");
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// 获取 /1000000000/bookshelfplus/fileSha1 中的 fileSha1 部分
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key = key.substring(key.indexOf("/", key.indexOf("/", key.indexOf("/") + 1) + 1) + 1);
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JSONObject event = record.getJSONObject("event");
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eventName = event.getString("eventName");
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} catch (Exception e) {
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throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "JSON解析出错！");
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}
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// 判断是否是由系统的存储桶触发
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if (qCloudCosConfig.getBucketName().equals(cosBucketName + "-" + appid) &&
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qCloudCosConfig.getRegionName().equals(cosRegion) &&
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"cos:ObjectCreated:Put".equals(eventName)) {
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// 是由系统的存储桶触发的，则认为是文件上传成功
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// 通过文件 key 获取文件对象
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FileObjectModel fileObject = fileObjectService.getFileObjectByFilePath(QCloudCosUtils.BOOK_SAVE_FOLDER + key);
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// 如果找不到，就抛出异常
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if (fileObject == null) {
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throw new BusinessException(BusinessErrorCode.PARAMETER_VALIDATION_ERROR, "文件不存在！");
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}
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// 更新文件对象状态
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Boolean isSuccess1 = fileObjectService.updateFileStatus(fileObject.getId(), "SUCCESS");
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if (!isSuccess1) {
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throw new BusinessException(BusinessErrorCode.UNKNOWN_ERROR, "更新文件状态失败");
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}
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} else {
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// 不是由系统的存储桶触发的
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return CommonReturnType.create("Not triggered by the bucket specified in the configuration file, skip.");
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}
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return CommonReturnType.create("success");
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}
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private FileVO convertFileVOFromModel(FileModel fileModel) {
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if (fileModel == null) {
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return null;
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}
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FileVO fileVO = new FileVO();
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BeanUtils.copyProperties(fileModel, fileVO);
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fileVO.setFileCreateAt(fileModel.getFileCreateAt().getTime());
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fileVO.setFileModifiedAt(fileModel.getFileModifiedAt().getTime());
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return fileVO;
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}
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}
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/*
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示例返回
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event
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{
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"Records": [
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{
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"cos": {
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"cosBucket": {
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"appid": "1302260381",
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"cosRegion": "ap-shanghai",
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"name": "bookshelfplus",
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"region": "sh",
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"s3Region": "ap-shanghai"
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},
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"cosNotificationId": "unkown",
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"cosObject": {
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"key": "/1302260381/bookshelfplus/!!!!!!!",
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"meta": {
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"Content-Type": "text/plain",
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"ETag": "\"0d7316832fef232e5dcdcf81f39bfdba\"",
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"x-cos-request-id": "NjI1OTNmOWNfNGIzN2YyMDlfMmJhZjVfNDJkZTBmYQ==",
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"x-cos-storage-class": "Standard"
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},
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"size": 557,
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"url": "http://bookshelfplus-1302260381.cos.ap-shanghai.myqcloud.com/%21%21%21%21%21%21%21",
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"vid": ""
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},
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"cosSchemaVersion": "1.0"
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},
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"event": {
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"eventName": "cos:ObjectCreated:Put",
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"eventQueue": "qcs:0:scf:ap-shanghai:appid/1302260381:default.bookshelf-scf.$DEFAULT",
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"eventSource": "qcs::cos",
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"eventTime": 1650016156,
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"eventVersion": "1.0",
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"reqid": 0,
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"requestParameters": {
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"requestHeaders": {
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"Authorization": "q-sign-algorithm=sha1&q-ak=AKIDgEWYJo2yd7KGvIPFn45pJWT9YgX8RTEi&q-sign-time=1650016155;1650017955&q-key-time=1650016155;1650017955&q-header-list=host&q-url-param-list=by;guid;userid&q-signature=0ceb85180d6b0b665662d5d139d4276cdc0fbbbd"
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},
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"requestSourceIP": "117.154.65.144"
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},
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"reservedInfo": ""
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}
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}
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]
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}
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context
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{
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"callbackWaitsForEmptyEventLoop": true,
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"memory_limit_in_mb": 512,
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"time_limit_in_ms": 3000,
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"request_id": "279ba5cc-e435-4af9-8ede-baa71373d75b",
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"environment": "{\"SCF_NAMESPACE\":\"default\"}",
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"environ": "SCF_NAMESPACE=default;SCF_NAMESPACE=default",
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"function_version": "$LATEST",
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"function_name": "bookshelf-scf",
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"namespace": "default",
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"tencentcloud_region": "ap-shanghai",
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"tencentcloud_appid": "1302260381",
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"tencentcloud_uin": "100014397291"
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}
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*/ |