feat: 新增file模块 (#101)

server/package.json

@@ -26,18 +26,22 @@
     "@nestjs/serve-static": "^4.0.0",
     "@nestjs/swagger": "^7.3.0",
     "@nestjs/typeorm": "^10.0.1",
+    "ali-oss": "^6.20.0",
     "cheerio": "^1.0.0-rc.12",
     "crypto-js": "^4.2.0",
     "dotenv": "^16.3.2",
+    "fs-extra": "^11.2.0",
     "joi": "^17.11.0",
     "jsonwebtoken": "^9.0.2",
     "lodash": "^4.17.21",
     "log4js": "^6.9.1",
+    "minio": "^7.1.3",
     "moment": "^2.30.1",
     "mongodb": "^5.9.2",
     "nanoid": "^3.3.7",
     "node-fetch": "^2.7.0",
     "node-forge": "^1.3.1",
+    "qiniu": "^7.11.1",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^7.8.1",
     "svg-captcha": "^1.4.0",
@@ -49,6 +53,7 @@
     "@nestjs/testing": "^10.0.0",
     "@types/express": "^4.17.17",
     "@types/jest": "^29.5.2",
+    "@types/multer": "^1.4.11",
     "@types/node": "^20.3.1",
     "@types/node-forge": "^1.3.11",
     "@types/supertest": "^2.0.12",

server/src/app.module.ts

@@ -11,6 +11,8 @@ import { ServeStaticModule } from '@nestjs/serve-static';
 import { SurveyModule } from './modules/survey/survey.module';
 import { SurveyResponseModule } from './modules/surveyResponse/surveyResponse.module';
 import { AuthModule } from './modules/auth/auth.module';
+import { MessageModule } from './modules/message/message.module';
+import { FileModule } from './modules/file/file.module';
 
 import { join } from 'path';
 
@@ -39,7 +41,6 @@ import { Logger } from './logger';
 @Module({
   imports: [
     ConfigModule.forRoot({}),
-
     TypeOrmModule.forRootAsync({
       imports: [ConfigModule],
       inject: [ConfigService],
@@ -80,9 +81,17 @@ import { Logger } from './logger';
     AuthModule,
     SurveyModule,
     SurveyResponseModule,
-    ServeStaticModule.forRoot({
+    ServeStaticModule.forRootAsync({
-      rootPath: join(__dirname, '..', 'public'),
+      useFactory: async () => {
+        return [
+          {
+            rootPath: join(__dirname, '..', 'public'),
+          },
+        ];
+      },
     }),
+    MessageModule,
+    FileModule,
   ],
   controllers: [AppController],
   providers: [

server/src/enums/exceptionCode.ts

@@ -1,5 +1,5 @@
 export enum EXCEPTION_CODE {
-  AUTHTIFICATION_FAILED = 1001, // 没有权限
+  AUTHENTICATION_FAILED = 1001, // 没有权限
   PARAMETER_ERROR = 1002, // 参数有误
   USER_EXISTS = 2001, // 用户已存在
   USER_NOT_EXISTS = 2002, // 用户不存在
@@ -15,4 +15,6 @@ export enum EXCEPTION_CODE {
   RESPONSE_OVER_LIMIT = 9003, // 超出限制
   RESPONSE_SCHEMA_REMOVED = 9004, // 问卷已删除
   RESPONSE_DATA_DECRYPT_ERROR = 9005, // 问卷已删除
+
+  UPLOAD_FILE_ERROR = 5001, // 上传文件错误
 }

server/src/exceptions/authException.ts

@@ -1,7 +1,7 @@
 import { HttpException } from './httpException';
 import { EXCEPTION_CODE } from 'src/enums/exceptionCode';
-export class AuthtificationException extends HttpException {
+export class AuthenticationException extends HttpException {
   constructor(public readonly message: string) {
-    super(message, EXCEPTION_CODE.AUTHTIFICATION_FAILED);
+    super(message, EXCEPTION_CODE.AUTHENTICATION_FAILED);
   }
 }

server/src/guards/authtication.spec.ts

@@ -2,7 +2,7 @@ import { Test, TestingModule } from '@nestjs/testing';
 import { Authtication } from './authtication';
 import { UserService } from '../modules/auth/services/user.service';
 import { ConfigService } from '@nestjs/config';
-import { AuthtificationException } from '../exceptions/authException';
+import { AuthenticationException } from '../exceptions/authException';
 import { User } from 'src/models/user.entity';
 import * as jwt from 'jsonwebtoken';
 
@@ -47,7 +47,7 @@ describe('Authtication', () => {
     };
 
     await expect(guard.canActivate(context as any)).rejects.toThrow(
-      AuthtificationException,
+      AuthenticationException,
     );
   });
 
@@ -69,7 +69,7 @@ describe('Authtication', () => {
       .mockReturnValue('XIAOJU_SURVEY_JWT_SECRET');
 
     await expect(guard.canActivate(context as any)).rejects.toThrow(
-      AuthtificationException,
+      AuthenticationException,
     );
   });
 
@@ -94,7 +94,7 @@ describe('Authtication', () => {
     jest.spyOn(userService, 'getUserByUsername').mockResolvedValue(null);
 
     await expect(guard.canActivate(context as any)).rejects.toThrow(
-      AuthtificationException,
+      AuthenticationException,
     );
   });
 

server/src/guards/authtication.ts

@@ -1,14 +1,13 @@
 import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common';
 import { UserService } from '../modules/auth/services/user.service';
-import { verify } from 'jsonwebtoken';
+import { AuthenticationException } from '../exceptions/authException';
-import { ConfigService } from '@nestjs/config';
+import { AuthService } from 'src/modules/auth/services/auth.service';
-import { AuthtificationException } from '../exceptions/authException';
 
 @Injectable()
 export class Authtication implements CanActivate {
   constructor(
     private readonly userService: UserService,
-    private readonly configService: ConfigService,
+    private readonly authService: AuthService,
   ) {}
 
   async canActivate(context: ExecutionContext): Promise<boolean> {
@@ -16,25 +15,15 @@ export class Authtication implements CanActivate {
     const token = request.headers.authorization?.split(' ')[1];
 
     if (!token) {
-      throw new AuthtificationException('请登录');
+      throw new AuthenticationException('请登录');
     }
 
-    let decoded;
     try {
-      decoded = verify(
+      const user = await this.authService.verifyToken(token);
-        token,
+      request.user = user;
-        this.configService.get<string>('XIAOJU_SURVEY_JWT_SECRET'),
+      return true;
-      );
+    } catch (error) {
-    } catch (err) {
+      throw new AuthenticationException(error?.message || '用户凭证错误');
-      throw new AuthtificationException('用户凭证错误');
     }
-    const user = await this.userService.getUserByUsername(decoded.username); // 从数据库中查找用户
-
-    if (!user) {
-      throw new AuthtificationException('用户不存在');
-    }
-
-    request.user = user; // 将用户信息存储在请求中
-    return true;
   }
 }

server/src/modules/auth/auth.module.ts

@@ -15,6 +15,6 @@ import { ConfigModule } from '@nestjs/config';
   imports: [TypeOrmModule.forFeature([User, Captcha]), ConfigModule],
   controllers: [AuthController],
   providers: [UserService, AuthService, CaptchaService],
-  exports: [UserService],
+  exports: [UserService, AuthService],
 })
 export class AuthModule {}

server/src/modules/auth/services/auth.service.ts

@@ -1,9 +1,15 @@
 import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
 
-import { sign } from 'jsonwebtoken';
+import { sign, verify } from 'jsonwebtoken';
+import { UserService } from './user.service';
 
 @Injectable()
 export class AuthService {
+  constructor(
+    private readonly configService: ConfigService,
+    private readonly userService: UserService,
+  ) {}
   async generateToken(
     { _id, username }: { _id: string; username: string },
     { secret, expiresIn }: { secret: string; expiresIn: string },
@@ -12,4 +18,21 @@ export class AuthService {
       expiresIn,
     });
   }
+
+  async verifyToken(token: string) {
+    let decoded;
+    try {
+      decoded = verify(
+        token,
+        this.configService.get<string>('XIAOJU_SURVEY_JWT_SECRET'),
+      );
+    } catch (err) {
+      throw new Error('用户凭证错误');
+    }
+    const user = await this.userService.getUserByUsername(decoded.username);
+    if (!user) {
+      throw new Error('用户不存在');
+    }
+    return user;
+  }
 }

server/src/modules/file/config/index.ts

@@ -0,0 +1,62 @@
+const SERVER_LOCAL_CONFIG = {
+  LOCAL_STATIC_RENDER_TYPE: 'server', // nginx
+  IS_PRIVATE_READ: false,
+  FILE_KEY_PREFIX: 'userUpload', // 存储路径
+  NEED_AUTH: true,
+};
+
+const QINIU_CONFIG = {
+  FILE_STORAGE_PROVIDER: 'qiniu',
+  IS_PRIVATE_READ: false,
+  FILE_KEY_PREFIX: 'userUpload/{surveyPath}', // 文件key的前缀，会根据此处配置校验body的参数
+  NEED_AUTH: true, // 是否需要登录
+  LINK_EXPIRY_TIME: '2h',
+
+  // minio、oss或者七牛云配置
+  ACCESS_KEY: '', // your_access_key
+  SECRET_KEY: '', // your_secret_key
+  BUCKET: '', // your_bucket
+  ENDPOINT: '', // endpoint
+  USE_SSL: false, // useSSL
+};
+
+const ALI_OSS_CONFIG = {
+  FILE_STORAGE_PROVIDER: 'ali-oss',
+  IS_PRIVATE_READ: false,
+  FILE_KEY_PREFIX: 'userUpload/{surveyPath}', // 文件key的前缀，会根据此处配置校验body的参数
+  NEED_AUTH: true, // 是否需要登录
+  LINK_EXPIRY_TIME: '2h',
+
+  ACCESS_KEY: '', // your_access_key
+  SECRET_KEY: '', // your_secret_key
+  BUCKET: '', // your_bucket
+  REGION: '',
+  ENDPOINT: '', // endpoint
+  USE_SSL: false, // useSSL
+};
+
+export const MINIO_CONFIG = {
+  FILE_STORAGE_PROVIDER: 'minio',
+  IS_PRIVATE_READ: false,
+  FILE_KEY_PREFIX: 'userUpload/{surveyPath}', // 文件key的前缀，会根据此处配置校验body的参数
+  NEED_AUTH: true, // 是否需要登录
+  LINK_EXPIRY_TIME: '2h',
+
+  ACCESS_KEY: '', // your_access_key
+  SECRET_KEY: '', // your_secret_key
+  BUCKET: '', // your_bucket
+  REGION: '',
+  ENDPOINT: '', // endpoint
+  USE_SSL: true, // useSSL
+};
+
+export const channels = {
+  upload: 'SERVER_LOCAL_CONFIG',
+};
+
+export const uploadConfig = {
+  SERVER_LOCAL_CONFIG,
+  QINIU_CONFIG,
+  ALI_OSS_CONFIG,
+  MINIO_CONFIG,
+};

server/src/modules/file/controllers/file.controller.ts

@@ -0,0 +1,111 @@
+import {
+  Controller,
+  Post,
+  UploadedFile,
+  UseInterceptors,
+  HttpCode,
+  Request,
+  Body,
+} from '@nestjs/common';
+import { FileInterceptor } from '@nestjs/platform-express';
+
+import { FileService } from '../services/file.service';
+import { HttpException } from 'src/exceptions/httpException';
+import { EXCEPTION_CODE } from 'src/enums/exceptionCode';
+import { AuthService } from 'src/modules/auth/services/auth.service';
+import { AuthenticationException } from 'src/exceptions/authException';
+import { ConfigService } from '@nestjs/config';
+
+@Controller('/api/file')
+export class FileController {
+  constructor(
+    private readonly fileService: FileService,
+    private readonly authService: AuthService,
+    private readonly configService: ConfigService,
+  ) {}
+
+  private getPathPrefix(fileKeyPrefix: string, data: Record<string, string>) {
+    const regex = /\{([^}]*)\}/g;
+    let matches;
+    const keys = [];
+    while ((matches = regex.exec(fileKeyPrefix)) !== null) {
+      keys.push(matches[1]);
+    }
+    let result = fileKeyPrefix;
+    for (const key of keys) {
+      if (!data[key]) {
+        throw new HttpException(
+          `参数有误：${data[key]}`,
+          EXCEPTION_CODE.PARAMETER_ERROR,
+        );
+      }
+      result = result.replace(new RegExp(`{${key}}`), data[key]);
+    }
+    return result;
+  }
+
+  @Post('upload')
+  @HttpCode(200)
+  @UseInterceptors(FileInterceptor('file'))
+  async upload(
+    @UploadedFile() file: Express.Multer.File,
+    @Request() req,
+    @Body() reqBody,
+  ) {
+    const { channel } = reqBody;
+
+    if (!channel || !this.configService.get<string>(channel)) {
+      throw new HttpException(
+        `参数有误：${channel}`,
+        EXCEPTION_CODE.PARAMETER_ERROR,
+      );
+    }
+    const configKey = this.configService.get<string>(channel);
+    const needAuth = this.configService.get<boolean>(configKey);
+    if (needAuth) {
+      const token = req.headers.authorization?.split(' ')[1];
+
+      if (!token) {
+        throw new AuthenticationException('请登录');
+      }
+      await this.authService.verifyToken(token);
+    }
+    const fileKeyPrefix = this.configService.get<string>(
+      `${configKey}.FILE_KEY_PREFIX`,
+    );
+
+    const { key, url } = await this.fileService.upload({
+      configKey,
+      file,
+      pathPrefix: fileKeyPrefix,
+    });
+    return {
+      code: 200,
+      data: {
+        url,
+        key,
+      },
+    };
+  }
+
+  @Post('getUrl')
+  @HttpCode(200)
+  async generateGetUrl(@Body() reqBody) {
+    const { channel, key } = reqBody;
+    if (!channel || !key || !this.configService.get<string>(channel)) {
+      throw new HttpException(
+        '参数有误，请检查channel、key',
+        EXCEPTION_CODE.PARAMETER_ERROR,
+      );
+    }
+    const configKey = this.configService.get<string>(channel);
+    const url = this.fileService.getUrl({ configKey, key });
+    return {
+      code: 200,
+      data: {
+        key,
+        url,
+      },
+    };
+  }
+}

server/src/modules/file/file.module.ts

@@ -0,0 +1,26 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+
+import { AuthModule } from '../auth/auth.module';
+
+import { FileService } from './services/file.service';
+
+import { FileController } from './controllers/file.controller';
+
+import { uploadConfig, channels } from './config/index';
+
+@Module({
+  imports: [
+    // 管理端和渲染端分开配置，因为管理端上传的内容一般需要公开，渲染端上传的内容一般需要限制访问，防止被当作图床
+    ConfigModule.forFeature(() => {
+      return {
+        ...channels,
+        ...uploadConfig,
+      };
+    }),
+    AuthModule,
+  ],
+  controllers: [FileController],
+  providers: [FileService],
+})
+export class FileModule {}

server/src/modules/file/services/file.service.ts

@@ -0,0 +1,102 @@
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+
+import { LocalHandler } from './uploadHandlers/local.handler';
+// import { QiniuHandler } from './uploadHandlers/qiniu.handler';
+// import { AliOssHandler } from './uploadHandlers/alioss.handler';
+// import { MinIOHandler } from './uploadHandlers/minio.handler';
+
+@Injectable()
+export class FileService {
+  constructor(private readonly configService: ConfigService) {}
+
+  private getConfig<T>(channel, key) {
+    return this.configService.get<T>(channel + '_' + key);
+  }
+
+  async upload({
+    configKey,
+    file,
+    pathPrefix,
+  }: {
+    configKey: string;
+    file: Express.Multer.File;
+    pathPrefix: string;
+  }) {
+    const handler = this.getHandler(configKey);
+    const { key } = await handler.upload(file, { pathPrefix });
+    const url = await handler.getUrl(key);
+    return {
+      key,
+      url,
+    };
+  }
+
+  getUrl({ configKey, key }) {
+    const handler = this.getHandler(configKey);
+    return handler.getUrl(key);
+  }
+
+  private getHandler(configKey: string) {
+    const staticType = this.configService.get<string>(
+      `${configKey}.LOCAL_STATIC_RENDER_TYPE`,
+    );
+    let physicalRootPath;
+    if (staticType === 'nginx') {
+      physicalRootPath = this.configService.get<string>(
+        `${configKey}.NGINX_STATIC_PATH`,
+      );
+    }
+    if (!physicalRootPath) {
+      physicalRootPath = 'public';
+    }
+    return new LocalHandler({ physicalRootPath });
+
+    // qiniu
+    // return new QiniuHandler({
+    //   accessKey: this.configService.get<string>(`${configKey}.ACCESS_KEY`),
+    //   secretKey: this.configService.get<string>(`${configKey}.SECRET_KEY`),
+    //   bucket: this.configService.get<string>(`${configKey}.BUCKET`),
+    //   endPoint: this.configService.get<string>(`${configKey}.ENDPOINT`),
+    //   useSSL: this.configService.get<boolean>(`${configKey}.USE_SSL`),
+    //   isPrivateRead: this.configService.get<boolean>(
+    //     `${configKey}.IS_PRIVATE_READ`,
+    //   ),
+    //   expiryTime: this.configService.get<string>(
+    //     `${configKey}.LINK_EXPIRY_TIME`,
+    //   ),
+    // });
+
+    // ali-oss
+    // return new AliOssHandler({
+    //   accessKey: this.configService.get<string>(`${configKey}.ACCESS_KEY`),
+    //   secretKey: this.configService.get<string>(`${configKey}.SECRET_KEY`),
+    //   bucket: this.configService.get<string>(`${configKey}.BUCKET`),
+    //   endPoint: this.configService.get<string>(`${configKey}.ENDPOINT`),
+    //   useSSL: this.configService.get<boolean>(`${configKey}.USE_SSL`),
+    //   isPrivateRead: this.configService.get<boolean>(
+    //     `${configKey}.IS_PRIVATE_READ`,
+    //   ),
+    //   expiryTime: this.configService.get<string>(
+    //     `${configKey}.LINK_EXPIRY_TIME`,
+    //   ),
+    //   region: this.configService.get<string>(`${configKey}.REGION`),
+    // });
+
+    // minio
+    // return new MinIOHandler({
+    //   accessKey: this.configService.get<string>(`${configKey}.ACCESS_KEY`),
+    //   secretKey: this.configService.get<string>(`${configKey}.SECRET_KEY`),
+    //   bucket: this.configService.get<string>(`${configKey}.BUCKET`),
+    //   endPoint: this.configService.get<string>(`${configKey}.ENDPOINT`),
+    //   useSSL: this.configService.get<boolean>(`${configKey}.USE_SSL`),
+    //   isPrivateRead: this.configService.get<boolean>(
+    //     `${configKey}.IS_PRIVATE_READ`,
+    //   ),
+    //   expiryTime: this.configService.get<string>(
+    //     `${configKey}.LINK_EXPIRY_TIME`,
+    //   ),
+    //   region: this.configService.get<string>(`${configKey}.REGION`),
+    // });
+  }
+}

server/src/modules/file/services/uploadHandlers/alioss.handler.ts

@@ -0,0 +1,65 @@
+import OSS from 'ali-oss';
+import { generateUniqueFilename } from '../../utils/generateUniqueFilename';
+import { join } from 'path';
+import { parseExpiryTimeToSeconds } from '../../utils/parseExpiryTimeToSeconds';
+import { FileUploadHandler } from './uploadHandler.interface';
+
+export class AliOssHandler implements FileUploadHandler {
+  private client: OSS;
+  endPoint: string;
+  useSSL: boolean;
+  isPrivateRead: boolean;
+  expiryTime: string;
+  constructor({
+    accessKey,
+    secretKey,
+    bucket,
+    region,
+    endPoint,
+    useSSL,
+    isPrivateRead,
+    expiryTime,
+  }) {
+    const client = new OSS({
+      region,
+      accessKeyId: accessKey,
+      accessKeySecret: secretKey,
+      bucket,
+    });
+    this.client = client;
+    this.endPoint = endPoint;
+    this.useSSL = useSSL;
+    this.isPrivateRead = isPrivateRead;
+    this.expiryTime = expiryTime;
+  }
+
+  async upload(
+    file: Express.Multer.File,
+    options?: {
+      pathPrefix?: string;
+    },
+  ): Promise<{ key: string }> {
+    const { pathPrefix } = options || {};
+    const key = join(
+      pathPrefix || '',
+      await generateUniqueFilename(file.originalname),
+    );
+
+    await this.client.put(key, file.buffer);
+
+    return { key };
+  }
+
+  getUrl(key: string): string {
+    const expireTimeSeconds = parseExpiryTimeToSeconds(this.expiryTime);
+    if (this.isPrivateRead) {
+      const url = this.client.signatureUrl(key, {
+        expires: expireTimeSeconds,
+        method: 'GET',
+      });
+      return url;
+    } else {
+      return `${this.useSSL ? 'https' : 'http'}://${this.endPoint}/${key}`;
+    }
+  }
+}

server/src/modules/file/services/uploadHandlers/local.handler.ts

@@ -0,0 +1,40 @@
+import { join, dirname } from 'path';
+import fse from 'fs-extra';
+import { createWriteStream } from 'fs';
+import { FileUploadHandler } from './uploadHandler.interface';
+import { generateUniqueFilename } from '../../utils/generateUniqueFilename';
+
+export class LocalHandler implements FileUploadHandler {
+  private physicalRootPath: string;
+  constructor({ physicalRootPath }: { physicalRootPath: string }) {
+    this.physicalRootPath = physicalRootPath;
+  }
+
+  async upload(
+    file: Express.Multer.File,
+    options?: { pathPrefix?: string },
+  ): Promise<{ key: string }> {
+    const filename = await generateUniqueFilename(file.originalname);
+    const filePath = join(
+      options?.pathPrefix ? options?.pathPrefix : '',
+      filename,
+    );
+    const physicalPath = join(this.physicalRootPath, filePath);
+    await fse.mkdir(dirname(physicalPath), { recursive: true });
+    const writeStream = createWriteStream(physicalPath);
+    return new Promise((resolve, reject) => {
+      writeStream.on('finish', () =>
+        resolve({
+          key: filePath,
+        }),
+      );
+      writeStream.on('error', reject);
+      writeStream.write(file.buffer);
+      writeStream.end();
+    });
+  }
+
+  getUrl(key: string): string {
+    return `/${key}`;
+  }
+}

server/src/modules/file/services/uploadHandlers/minio.handler.ts

@@ -0,0 +1,79 @@
+import { Client } from 'minio';
+import { generateUniqueFilename } from '../../utils/generateUniqueFilename';
+import { join } from 'path';
+import { parseExpiryTimeToSeconds } from '../../utils/parseExpiryTimeToSeconds';
+import { FileUploadHandler } from './uploadHandler.interface';
+import { HttpException } from 'src/exceptions/httpException';
+import { EXCEPTION_CODE } from 'src/enums/exceptionCode';
+
+export class MinIOHandler implements FileUploadHandler {
+  private client: Client;
+  endPoint: string;
+  useSSL: boolean;
+  isPrivateRead: boolean;
+  expiryTime: string;
+  bucket: string;
+  constructor({
+    accessKey,
+    secretKey,
+    bucket,
+    region,
+    endPoint,
+    useSSL,
+    isPrivateRead,
+    expiryTime,
+  }) {
+    const client = new Client({
+      endPoint,
+      accessKey,
+      secretKey,
+      region,
+      useSSL,
+      pathStyle: true,
+    });
+    this.client = client;
+    this.endPoint = endPoint;
+    this.useSSL = useSSL;
+    this.isPrivateRead = isPrivateRead;
+    this.expiryTime = expiryTime;
+    this.bucket = bucket;
+  }
+
+  async upload(
+    file: Express.Multer.File,
+    options?: {
+      pathPrefix?: string;
+    },
+  ): Promise<{ key: string }> {
+    const { pathPrefix } = options || {};
+    const key = join(
+      pathPrefix || '',
+      await generateUniqueFilename(file.originalname),
+    );
+
+    try {
+      await this.client.putObject(this.bucket, key, file.buffer);
+
+      return { key };
+    } catch (error) {
+      throw new HttpException(
+        error.message || error.stack || '上传失败',
+        EXCEPTION_CODE.UPLOAD_FILE_ERROR,
+      );
+    }
+  }
+
+  async getUrl(key: string): Promise<string> {
+    const expireTimeSeconds = parseExpiryTimeToSeconds(this.expiryTime);
+
+    if (this.isPrivateRead) {
+      const url = await this.client.presignedGetObject(
+        this.bucket,
+        key,
+        expireTimeSeconds,
+      );
+      return url;
+    }
+    return `${this.useSSL ? 'https' : 'http'}://${this.endPoint}/${this.bucket}/${key}`;
+  }
+}

server/src/modules/file/services/uploadHandlers/qiniu.handler.ts

@@ -0,0 +1,93 @@
+import qiniu from 'qiniu';
+import { join } from 'path';
+import { generateUniqueFilename } from '../../utils/generateUniqueFilename';
+import { parseExpiryTimeToSeconds } from '../../utils/parseExpiryTimeToSeconds';
+import { FileUploadHandler } from './uploadHandler.interface';
+
+export class QiniuHandler implements FileUploadHandler {
+  private bucket: string;
+  private endPoint: string;
+  private useSSL: boolean;
+  private isPrivateRead: boolean;
+  private expiryTime: string;
+  private mac: qiniu.auth.digest.Mac;
+
+  constructor({
+    accessKey,
+    secretKey,
+    bucket,
+    endPoint,
+    useSSL,
+    isPrivateRead,
+    expiryTime,
+  }) {
+    this.bucket = bucket;
+    this.endPoint = endPoint;
+    this.useSSL = useSSL;
+    this.isPrivateRead = isPrivateRead;
+    this.expiryTime = expiryTime;
+
+    const mac = new qiniu.auth.digest.Mac(accessKey, secretKey);
+    this.mac = mac;
+  }
+
+  async upload(
+    file: Express.Multer.File,
+    options?: { pathPrefix?: string },
+  ): Promise<{ key: string }> {
+    const config = new qiniu.conf.Config();
+    const formUploader = new qiniu.form_up.FormUploader(config);
+    const putExtra = new qiniu.form_up.PutExtra();
+    const key = join(
+      options?.pathPrefix ? options?.pathPrefix : '',
+      await generateUniqueFilename(file.originalname),
+    );
+
+    const putPolicy = new qiniu.rs.PutPolicy({
+      scope: this.bucket + ':' + key,
+    });
+
+    const uploadToken = putPolicy.uploadToken(this.mac);
+
+    return new Promise<{ key: string }>((resolve, reject) => {
+      formUploader.put(
+        uploadToken,
+        key,
+        file.buffer,
+        putExtra,
+        (respErr, respBody, respInfo) => {
+          if (respErr) {
+            reject(respErr);
+          }
+          if (respInfo.statusCode === 200) {
+            resolve({ key });
+          } else {
+            reject(respBody);
+          }
+        },
+      );
+    });
+  }
+
+  getUrl(key: string): string {
+    if (!this.isPrivateRead) {
+      return `${this.useSSL ? 'https' : 'http'}://${this.endPoint}/${key}`;
+    }
+
+    const config = new qiniu.conf.Config({
+      useHttpsDomain: this.useSSL,
+    });
+    const bucketManager = new qiniu.rs.BucketManager(this.mac, config);
+    let url;
+    if (this.isPrivateRead) {
+      const deadline =
+        Math.floor(Date.now() / 1000) +
+        parseExpiryTimeToSeconds(this.expiryTime);
+      url = bucketManager.privateDownloadUrl(this.endPoint, key, deadline);
+    } else {
+      url = bucketManager.publicDownloadUrl(this.endPoint, key);
+    }
+
+    return this.useSSL ? `https://${url}` : `http://${url}`;
+  }
+}

server/src/modules/file/services/uploadHandlers/uploadHandler.interface.ts

@@ -0,0 +1,7 @@
+export interface FileUploadHandler {
+  upload(
+    file: Express.Multer.File,
+    options?: { pathPrefix?: string },
+  ): Promise<{ key: string }>;
+  getUrl(key: string): string | Promise<string>;
+}

server/src/modules/file/utils/generateUniqueFilename.ts

@@ -0,0 +1,11 @@
+import { promisify } from 'util';
+import { randomBytes } from 'crypto';
+
+export const generateUniqueFilename = async (
+  originalname: string,
+): Promise<string> => {
+  const randomBytesPromise = promisify(randomBytes);
+  const randomString = (await randomBytesPromise(16)).toString('hex');
+  const ext = originalname.split('.').pop();
+  return `${randomString}.${ext}`;
+};

server/src/modules/file/utils/parseExpiryTimeToSeconds.ts

@@ -0,0 +1,13 @@
+export const parseExpiryTimeToSeconds = (expiryTime: string): number => {
+  const units: { [key: string]: number } = {
+    s: 1,
+    m: 60,
+    h: 3600,
+    d: 86400,
+    w: 604800,
+  };
+
+  const unit = expiryTime.charAt(expiryTime.length - 1);
+  const time = parseInt(expiryTime.slice(0, -1));
+  return units[unit] * time;
+};

server/src/modules/file/utils/replaceFileKey.ts

@@ -0,0 +1,12 @@
+export const replaceFileKey = (
+  originStr: string,
+  arr: Array<{ key; value }>,
+) => {
+  let retStr = originStr;
+  for (const { key, value } of arr) {
+    if (value) {
+      retStr = retStr.replace(new RegExp(`{${key}}`), value);
+    }
+  }
+  return retStr;
+};

server/src/modules/message/message.module.ts

@@ -28,4 +28,4 @@ import { LoggerProvider } from 'src/logger/logger.provider';
   ],
   exports: [MessagePushingTaskService],
 })
-export class MessagePushingModule {}
+export class MessageModule {}

server/src/modules/surveyResponse/surveyResponse.module.ts

@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
 
-import { MessagePushingModule } from '../message/messagePushing.module';
+import { MessageModule } from '../message/message.module';
 
 import { ResponseSchemaService } from './services/responseScheme.service';
 import { SurveyResponseService } from './services/surveyResponse.service';
@@ -30,7 +30,7 @@ import { ConfigModule } from '@nestjs/config';
       ClientEncrypt,
     ]),
     ConfigModule,
-    MessagePushingModule,
+    MessageModule,
   ],
   controllers: [
     ClientEncryptController,