Add GIF files support; added file size and type validation (max=5Mb)

Author: ArtemKolodko

src/app.controller.ts

@@ -8,7 +8,7 @@ import {
   Param,
   Post,
   Query, UploadedFile, UseInterceptors,
-  Headers, UseGuards, Request
+  Headers, UseGuards, Request, ParseFilePipe, MaxFileSizeValidator, FileTypeValidator
 } from '@nestjs/common';
 import {ApiBearerAuth, ApiTags} from '@nestjs/swagger';
 import { ConfigService } from '@nestjs/config';
@@ -113,15 +113,22 @@ export class AppController {
   @UseInterceptors(FileInterceptor('file'))
   async uploadImage(
     @Request() req,
-    @UploadedFile() uploadedFile: Express.Multer.File,
+    @UploadedFile(
+      new ParseFilePipe({
+        validators: [
+          new MaxFileSizeValidator({ maxSize: 5 * 1024 * 1024 }),
+          new FileTypeValidator({ fileType: '.(png|jpeg|jpg|gif)' }),
+        ]
+      })
+    ) file: Express.Multer.File,
     @Headers() headers
   ) {
     if(!req.user) {
       throw new BadRequestException('InvalidJWT')
     }
     const { address } = plainToInstance(JwtUserAccount, req.user)
     const uuid = uuidv4()
-    const imageUrl = await this.gCloudService.uploadImage(uploadedFile, uuid)
+    const imageUrl = await this.gCloudService.uploadImage(file, uuid)
     this.logger.log(`Image uploaded, imageUrl=${imageUrl}, userAddress=${address}`)
     return imageUrl
   }

src/gcloud/gcloud.service.ts

@@ -18,7 +18,7 @@ export class GcloudService {
 
   public async uploadImage(uploadedFile: Express.Multer.File, filename: string) {
     const bucket = this.storage.bucket('pump-fun-metadata')
-    const storageFileUrl = `images/${filename}.jpg`
+    const storageFileUrl = `images/${filename}`
     const file = bucket.file(storageFileUrl)
     await file.save(uploadedFile.buffer)
     return `https://storage.googleapis.com/pump-fun-metadata/${storageFileUrl}`