src/main/kotlin/roomescape/auth/web/support/AuthAnnotations.kt

@@ -31,3 +31,7 @@ annotation class Authenticated
 @Target(AnnotationTarget.FUNCTION)
 @Retention(AnnotationRetention.RUNTIME)
 annotation class Public
+
+@Target(AnnotationTarget.VALUE_PARAMETER)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class CurrentUser

src/main/kotlin/roomescape/auth/web/support/resolver/CurrentUserContextResolver.kt

@@ -0,0 +1,54 @@
+package roomescape.auth.web.support.resolver
+
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import jakarta.servlet.http.HttpServletRequest
+import org.springframework.core.MethodParameter
+import org.springframework.stereotype.Component
+import org.springframework.web.bind.support.WebDataBinderFactory
+import org.springframework.web.context.request.NativeWebRequest
+import org.springframework.web.method.support.HandlerMethodArgumentResolver
+import org.springframework.web.method.support.ModelAndViewContainer
+import roomescape.auth.business.AuthServiceV2
+import roomescape.auth.business.CLAIM_TYPE_KEY
+import roomescape.auth.exception.AuthErrorCode
+import roomescape.auth.exception.AuthException
+import roomescape.auth.infrastructure.jwt.JwtUtils
+import roomescape.auth.web.support.CurrentUser
+import roomescape.auth.web.support.accessToken
+import roomescape.common.dto.PrincipalType
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Component
+class CurrentUserContextResolver(
+    private val jwtUtils: JwtUtils,
+    private val authService: AuthServiceV2
+) : HandlerMethodArgumentResolver {
+
+    override fun supportsParameter(parameter: MethodParameter): Boolean {
+        return parameter.hasParameterAnnotation(CurrentUser::class.java)
+    }
+
+    override fun resolveArgument(
+        parameter: MethodParameter,
+        mavContainer: ModelAndViewContainer?,
+        webRequest: NativeWebRequest,
+        binderFactory: WebDataBinderFactory?
+    ): Any? {
+        val request: HttpServletRequest = webRequest.nativeRequest as HttpServletRequest
+        val token: String? = request.accessToken()
+
+        try {
+            val id: String = jwtUtils.extractSubject(token)
+            val type: PrincipalType = PrincipalType.valueOf(jwtUtils.extractClaim(token, CLAIM_TYPE_KEY))
+
+            return authService.findContextById(id.toLong(), type)
+        } catch (e: Exception) {
+            log.info { "[MemberIdResolver] 회원 조회 실패. message=${e.message}" }
+            val errorCode = AuthErrorCode.MEMBER_NOT_FOUND
+            throw AuthException(errorCode, e.message ?: errorCode.message)
+        }
+    }
+}
+