Merge pull request #92 from cake-way/dev

fix: 프론트 로컬 전용 콜백 구현

Author: jiminnimij

src/main/java/com/example/cake_way/member/controller/KakaoLoginController.java

@@ -35,6 +35,17 @@ public ResponseEntity<?> callback(@RequestParam("code") String code) throws IOEx
         return ResponseEntity.ok(loginResponseDto);
     }
 
+    @GetMapping("/kakao/callback2")
+    public ResponseEntity<?> callback2(@RequestParam("code") String code) throws IOException {
+        String accessToken = kakaoService.getKakaoAccessToken2(code);
+
+        KakaoUserInfoResponseDto userInfo = kakaoService.getUserInfo(accessToken);
+
+        LoginResponseDto loginResponseDto = memberService.login(userInfo);
+
+        return ResponseEntity.ok(loginResponseDto);
+    }
+
     @Value("${CLIENT_ID}")
     private String client_id;
 

src/main/java/com/example/cake_way/member/service/KakaoService.java

@@ -95,4 +95,30 @@ public void getKakaoCode() {
 
 
     }
+
+    public String getKakaoAccessToken2(String code) {
+
+        KakaoTokenResponseDto kakaoTokenResponseDto = WebClient.create(KAUTH_TOKEN_URL_HOST).post()
+                .uri(uriBuilder -> uriBuilder
+                        .scheme("https")
+                        .path("/oauth/token")
+                        .queryParam("grant_type", "authorization_code")
+                        .queryParam("client_id", clientId)
+                        .queryParam("code", code)
+                        .queryParam("redirect_uri", "https://cake-wayy.com/login/callback") // 나중에 프론트로 바꿔주기
+                        .build(true))
+                .header(HttpHeaders.CONTENT_TYPE, HttpHeaderValues.APPLICATION_X_WWW_FORM_URLENCODED.toString())
+                .retrieve()
+                .onStatus(HttpStatusCode::is4xxClientError, clientResponse -> Mono.error(new RuntimeException("Invalid Parameter")))
+                .onStatus(HttpStatusCode::is5xxServerError, clientResponse -> Mono.error(new RuntimeException("Internal Server Error")))
+                .bodyToMono(KakaoTokenResponseDto.class)
+                .block();
+
+
+        log.info(" [Kakao Service] Access Token ------> {}", kakaoTokenResponseDto.getAccessToken());
+        log.info(" [Kakao Service] Refresh Token ------> {}", kakaoTokenResponseDto.getRefreshToken());
+        log.info(" [Kakao Service] Scope ------> {}", kakaoTokenResponseDto.getScope());
+
+        return kakaoTokenResponseDto.getAccessToken();
+    }
 }