♻️ refactor: 로그인 리다이렉트 url 환경변수 분리

Author: jiwon1217

backend/src/main/java/io/f1/backend/BackendApplication.java

@@ -1,11 +1,14 @@
 package io.f1.backend;
 
+import io.f1.backend.domain.user.dto.OAuthRedirectProperties;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
 @EnableJpaAuditing
 @SpringBootApplication
+@EnableConfigurationProperties(OAuthRedirectProperties.class)
 public class BackendApplication {
 
     public static void main(String[] args) {

backend/src/main/java/io/f1/backend/domain/user/app/handler/OAuthSuccessHandler.java

@@ -1,5 +1,6 @@
 package io.f1.backend.domain.user.app.handler;
 
+import io.f1.backend.domain.user.dto.OAuthRedirectProperties;
 import io.f1.backend.domain.user.dto.UserPrincipal;
 
 import jakarta.servlet.http.HttpServletRequest;
@@ -17,6 +18,8 @@
 @RequiredArgsConstructor
 public class OAuthSuccessHandler extends SimpleUrlAuthenticationSuccessHandler {
 
+    private final OAuthRedirectProperties redirectProperties;
+
     @Override
     public void onAuthenticationSuccess(
             HttpServletRequest request, HttpServletResponse response, Authentication authentication)
@@ -25,11 +28,9 @@ public void onAuthenticationSuccess(
         response.setContentType("application/json;charset=UTF-8");
 
         if (principal.getUserNickname() == null) {
-            String SIGNUP_REDIRECT_URL = "http://localhost:3000/signup";
-            getRedirectStrategy().sendRedirect(request, response, SIGNUP_REDIRECT_URL);
+            getRedirectStrategy().sendRedirect(request, response, redirectProperties.signupUrl());
         } else {
-            String MAIN_REDIRECT_URL = "http://localhost:3000/room";
-            getRedirectStrategy().sendRedirect(request, response, MAIN_REDIRECT_URL);
+            getRedirectStrategy().sendRedirect(request, response, redirectProperties.mainUrl());
         }
     }
 }

backend/src/main/java/io/f1/backend/domain/user/dto/OAuthRedirectProperties.java

@@ -0,0 +1,12 @@
+package io.f1.backend.domain.user.dto;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties(prefix = "custom.oauth.redirect")
+public record OAuthRedirectProperties(
+    String signupUrl,
+    String mainUrl
+) {
+
+}
+

backend/src/main/resources/application.yml

@@ -64,6 +64,12 @@ server:
         secure: true
         http-only: true
       timeout: ${SESSION_TIMEOUT}
+
+custom:
+  oauth:
+    redirect:
+      signup-url: ${SIGNUP_URL}
+      main-url: ${MAIN_URL}
 ---
 spring:
   config: