session interceptor

build.gradle

@@ -25,9 +25,10 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	implementation 'org.springframework.boot:spring-boot-starter-security'
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
-	implementation 'org.springframework.session:spring-session-data-redis'
-	implementation 'org.springframework.session:spring-session-core'
 	implementation 'org.springframework.boot:spring-boot-starter-data-redis'
+	implementation 'org.springframework.session:spring-session-data-redis'
+	// implementation 'org.springframework.session:spring-session-core'
+	
 
 	runtimeOnly 'com.h2database:h2'
 

src/main/java/com/example/oneul/domain/user/command/UserCommandService.java

@@ -9,4 +9,6 @@ import org.springframework.stereotype.Service;
 @Service
 public interface UserCommandService {
     UserEntity signUp(UserEntity userEntity, HttpSession httpSession);
+    UserEntity login(UserEntity userEntity , HttpSession httpSession);
+    UserEntity logout(UserEntity userEntity, HttpSession httpSession);
 }

src/main/java/com/example/oneul/domain/user/command/UserCommandServiceImpl.java

@@ -36,5 +36,16 @@ public class UserCommandServiceImpl implements UserCommandService {
         log.info("session value: " + httpSession.getAttribute("user"));
         return user;
     }
+
+    @Override
+    public UserEntity login(UserEntity userEntity, HttpSession httpSession){
+        UserEntity user = (UserEntity) httpSession.getAttribute("user");
+        return user;
+    }
+
+    @Override
+    public UserEntity logout(UserEntity userEntity, HttpSession httpSession){
+        return new UserEntity();
+    }
 }
 

src/main/java/com/example/oneul/domain/user/domain/UserEntity.java

@@ -64,6 +64,8 @@ public class UserEntity implements Serializable {
         this.createdAt = createdAt;
     }
 
+    public UserEntity() {}
+    
     public UserEntity(Long id, String username, String password, LocalDateTime createdAt){
         this.id = id;
         this.username = username;

src/main/java/com/example/oneul/global/util/LoginCheckInterceptor.java

@@ -0,0 +1,28 @@
+package com.example.oneul.global.util;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import com.example.oneul.domain.user.domain.UserEntity;
+
+import org.springframework.web.servlet.HandlerInterceptor;
+
+public class LoginCheckInterceptor implements HandlerInterceptor{
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        HttpSession httpSession = request.getSession(false);
+        if(httpSession == null){
+            response.sendRedirect("www.naver.com");
+            return false;
+        }
+
+        UserEntity userEntity = (UserEntity) httpSession.getAttribute("user");
+        
+        if(userEntity == null){
+            response.sendRedirect("www.google.com");
+            return false;
+        }
+        return true;
+    }
+}