Merge pull request #2 from ccaaffee/kakaologin

feat: modify kakao login logic

Author: Kimcheolhui

src/auth/auth.controller.ts

@@ -1,19 +1,65 @@
-import { Controller, Get, HttpStatus, Query, Res } from '@nestjs/common';
+import {
+  Body,
+  Controller,
+  Get,
+  HttpStatus,
+  Post,
+  Query,
+  Res,
+} from '@nestjs/common';
 import { AuthService } from './auth.service';
 import { Response } from 'express';
-import { ApiOperation, ApiTags } from '@nestjs/swagger';
+import { ApiBody, ApiOperation, ApiTags } from '@nestjs/swagger';
 
 @ApiTags('Auth')
 @Controller('auth')
 export class AuthController {
   constructor(private readonly authService: AuthService) {}
 
+  @ApiOperation({
+    summary: 'kakao login with accessToken from front',
+    description:
+      '(only for staging server)kakao accessToken을 입력하면 cafe-search 서비스의 accessToken을 반환합니다.',
+  })
+  @ApiBody({
+    schema: {
+      type: 'object',
+      properties: {
+        accessToken: {
+          type: 'string',
+          description: 'Kakao access token',
+          example: 'your-kakao-access-token',
+        },
+      },
+    },
+  })
+  @Post('kakao/signin')
+  async kakaoLoginWithAccessToken(
+    @Body('accessToken') accessToken: string,
+    @Res() res: Response,
+  ) {
+    try {
+      const jwtToken =
+        await this.authService.kakaoLoginWithAccessToken(accessToken);
+
+      return res.status(HttpStatus.OK).json({
+        message: 'Kakao Login Success',
+        token: jwtToken,
+      });
+    } catch (error) {
+      return res.status(HttpStatus.INTERNAL_SERVER_ERROR).json({
+        message: 'Kakao Login Failed',
+        error: error.message,
+      });
+    }
+  }
+
   @ApiOperation({
     summary: 'redirect to kakao login page',
     description: 'API 요청 시 카카오 로그인 페이지로 리다이렉트됩니다.',
   })
-  @Get('kakao')
-  async kakaoLogin(@Res() res: Response) {
+  @Get('kakao/login')
+  async getKakaoLoginUri(@Res() res: Response) {
     const kakaoAuthUrl = this.authService.getKakaoAuthUrl();
 
     return res.redirect(kakaoAuthUrl);
@@ -22,7 +68,7 @@ export class AuthController {
   @ApiOperation({
     summary: 'callback api for kakao login',
     description:
-      'kakao login page에 로그인 후 받은 authorization code와 함께 API 요청 시 access_token을 반환합니다.',
+      '(only for staging server)kakao login page에 로그인 후 받은 authorization code와 함께 API 요청 시 access_token을 반환합니다.',
   })
   @Get('kakao/callback')
   async kakaoLoginCallback(@Query('code') code: string, @Res() res: Response) {

src/auth/auth.service.ts

@@ -20,8 +20,8 @@ export class AuthService {
     this.kakaoRestApiKey = this.configService.get<string>('KAKAO_REST_API_KEY');
     this.kakaoRedirectUri =
       this.configService.get<string>('KAKAO_REDIRECT_URI');
-    this.kakaoAuthUri = this.configService.get<string>('KAKAO_AUTH_URL');
-    this.kakaoTokenUri = this.configService.get<string>('KAKAO_TOKEN_URL');
+    this.kakaoAuthUri = this.configService.get<string>('KAKAO_AUTH_URI');
+    this.kakaoTokenUri = this.configService.get<string>('KAKAO_TOKEN_URI');
   }
 
   /**
@@ -35,7 +35,11 @@ export class AuthService {
       response_type: 'code',
     }).toString();
 
-    return `${baseUrl}?${queryParams}`;
+    const url = `${baseUrl}?${queryParams}`;
+
+    console.log(url);
+
+    return url;
   }
 
   /**
@@ -46,6 +50,9 @@ export class AuthService {
 
     const accessToken = tokenReponse.access_token;
 
+    console.log('kakao accesstoken');
+    console.log(accessToken);
+
     // 2) 발급한 access token으로 유저정보 요청 to 카카오 로그인 서버
     const kakaoUserInfo = await this.getKakaoUserInfo(accessToken);
 
@@ -65,6 +72,23 @@ export class AuthService {
     return jwtToken;
   }
 
+  async kakaoLoginWithAccessToken(accessToken: string): Promise<string> {
+    const kakaoUserInfo = await this.getKakaoUserInfo(accessToken);
+
+    const kakaoId = kakaoUserInfo.id.toString();
+
+    let user = await this.userService.findByKakaoId(kakaoId);
+
+    if (!user) {
+      user = await this.userService.createUser(kakaoId);
+    }
+
+    const payload = { sub: user.uuid };
+    const jwtToken = this.jwtService.sign(payload);
+
+    return jwtToken;
+  }
+
   /**
    * 카카오 Access Token 발급
    */