[BE/#476] Green Eye 적용 코드 구현

BE/src/users/users.module.ts

@@ -11,6 +11,7 @@ import { BlockPostEntity } from '../entities/blockPost.entity';
 import { AuthGuard } from 'src/utils/auth.guard';
 import { RegistrationTokenEntity } from '../entities/registrationToken.entity';
 import { FcmHandler } from 'src/utils/fcmHandler';
+import { GreenEyeHandler } from '../utils/greenEyeHandler';
 
 @Module({
   imports: [
@@ -24,6 +25,6 @@ import { FcmHandler } from 'src/utils/fcmHandler';
     ]),
   ],
   controllers: [UsersController],
-  providers: [UsersService, S3Handler, AuthGuard, FcmHandler],
+  providers: [UsersService, S3Handler, AuthGuard, FcmHandler, GreenEyeHandler],
 })
 export class UsersModule {}

BE/src/users/users.service.ts

@@ -15,6 +15,8 @@ import { ConfigService } from '@nestjs/config';
 import * as jwt from 'jsonwebtoken';
 import { FcmHandler } from 'src/utils/fcmHandler';
 import { CACHE_MANAGER, CacheStore } from '@nestjs/cache-manager';
+import { GreenEyeHandler } from '../utils/greenEyeHandler';
+import { log } from 'winston';
 
 @Injectable()
 export class UsersService {
@@ -31,6 +33,7 @@ export class UsersService {
     private s3Handler: S3Handler,
     private configService: ConfigService,
     private fcmHandler: FcmHandler,
+    private ocrHandler: GreenEyeHandler,
   ) {}
 
   async createUser(imageLocation: string, createUserDto: CreateUserDto) {
@@ -98,12 +101,12 @@ export class UsersService {
     userId: string,
   ) {
     await this.checkAuth(id, userId);
-    if (body) {
-      await this.changeNickname(id, body.nickname);
-    }
     if (file !== undefined) {
       await this.changeImages(id, file);
     }
+    if (body) {
+      await this.changeNickname(id, body.nickname);
+    }
   }
 
   async changeNickname(userId: string, nickname: string) {
@@ -118,8 +121,12 @@ export class UsersService {
   }
 
   async changeImages(userId: string, file: Express.Multer.File) {
+    const fileLocation = await this.s3Handler.uploadFile(file);
+    const isHarmful = await this.ocrHandler.isHarmful(fileLocation);
+    // if (isHarmful) {
+    //   throw new HttpException('이미지가 유해합니다.', 400);
+    // }
     try {
-      const fileLocation = await this.s3Handler.uploadFile(file);
       await this.userRepository.update(
         { user_hash: userId },
         { profile_img: fileLocation },

BE/src/utils/greenEyeHandler.ts

@@ -0,0 +1,36 @@
+import axios from 'axios';
+import { uuid } from 'uuidv4';
+import { ConfigService } from '@nestjs/config';
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class GreenEyeHandler {
+  constructor(private configService: ConfigService) {}
+  async isHarmful(fileLocation: string): Promise<boolean> {
+    const response = await this.sendGreenEyeRequest(fileLocation);
+    const normalResult = response.data.images[0].result.normal.confidence;
+    return normalResult < 0.8;
+  }
+
+  async sendGreenEyeRequest(url: string) {
+    return await axios.post(
+      this.configService.get('CLOVA_URL'),
+      {
+        images: [
+          {
+            name: 'file',
+            url: url,
+          },
+        ],
+        requestId: uuid(),
+        timestamp: 0,
+        version: 'V1',
+      },
+      {
+        headers: {
+          'X-GREEN-EYE-SECRET': this.configService.get('CLOVA_SECRET'),
+        },
+      },
+    );
+  }
+}