⚡️ :: 토큰 재발급 api

src/main/kotlin/com/example/sharing/domain/user/domain/RefreshToken.kt

@@ -13,5 +13,9 @@ class RefreshToken(
 
     @Indexed
     @field:NotBlank
-    val token: String
-)
+    var token: String
+) {
+    fun updateToken(token: String) {
+        this.token = token
+    }
+}

src/main/kotlin/com/example/sharing/domain/user/domain/repository/RefreshTokenRepository.kt

@@ -5,4 +5,6 @@ import org.springframework.data.repository.CrudRepository
 import org.springframework.stereotype.Repository
 
 @Repository
-interface RefreshTokenRepository : CrudRepository<RefreshToken, String>
+interface RefreshTokenRepository : CrudRepository<RefreshToken, String> {
+    fun findByToken(refreshToken: String): RefreshToken
+}

src/main/kotlin/com/example/sharing/domain/user/presentation/UserController.kt

@@ -12,6 +12,7 @@ import com.example.sharing.domain.user.service.UpdateUserInfoService
 import com.example.sharing.domain.user.service.UploadProfileService
 import com.example.sharing.domain.user.service.UserLoginService
 import com.example.sharing.domain.user.service.UserSignUpService
+import com.example.sharing.domain.user.service.UserTokenRefreshService
 import org.springframework.http.HttpStatus.*
 import org.springframework.web.bind.annotation.*
 import org.springframework.web.multipart.MultipartFile
@@ -27,6 +28,7 @@ class UserController(
     private val queryUserService: QueryUserService,
     private val updateUserInfoService: UpdateUserInfoService,
     private val uploadProfileService: UploadProfileService,
+    private val tokenRefreshService: UserTokenRefreshService,
 ) {
     @ResponseStatus(CREATED)
     @PostMapping("/signup")
@@ -56,4 +58,9 @@ class UserController(
     fun uploadProfile(@RequestPart(name = "profile") file: MultipartFile): UploadProfileResponse {
         return uploadProfileService.execute(file)
     }
+
+    @PutMapping("/reissue")
+    fun tokenReissue(@RequestHeader("Authorization") refreshToken: String): TokenResponse {
+        return tokenRefreshService.execute(refreshToken)
+    }
 }

src/main/kotlin/com/example/sharing/domain/user/service/UserTokenRefreshService.kt

@@ -0,0 +1,24 @@
+package com.example.sharing.domain.user.service
+
+import com.example.sharing.domain.user.domain.repository.RefreshTokenRepository
+import com.example.sharing.domain.user.facade.UserFacade
+import com.example.sharing.domain.user.presentation.dto.response.TokenResponse
+import com.example.sharing.global.security.jwt.JwtTokenProvider
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class UserTokenRefreshService(
+    private val refreshTokenRepository: RefreshTokenRepository,
+    private val userFacade: UserFacade,
+    private val jwtTokenProvider: JwtTokenProvider,
+) {
+    @Transactional
+    fun execute(refreshToken: String): TokenResponse {
+        val user = userFacade.getCurrentUser()
+        val token = refreshTokenRepository.findByToken(refreshToken)
+        val tokenResponse = jwtTokenProvider.getToken(user.accountId)
+        token.updateToken(tokenResponse.refreshToken)
+        return TokenResponse(tokenResponse.accessToken, tokenResponse.refreshToken)
+    }
+}