From 7f1ab906b7b27383e48deaf3ca5ccfb6dbbd3280 Mon Sep 17 00:00:00 2001
From: pricelees <priceelees@gmail.com>
Date: Thu, 11 Sep 2025 17:01:04 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EA=B4=80=EB=A6=AC=EC=9E=90=20/=20?=
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---
 .../auth/web/support/AuthAnnotations.kt       |  8 +++
 .../interceptors/AuthenticatedInterceptor.kt  | 50 +++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 src/main/kotlin/roomescape/auth/web/support/interceptors/AuthenticatedInterceptor.kt

diff --git a/src/main/kotlin/roomescape/auth/web/support/AuthAnnotations.kt b/src/main/kotlin/roomescape/auth/web/support/AuthAnnotations.kt
index 55490e4b..f06e0bc2 100644
--- a/src/main/kotlin/roomescape/auth/web/support/AuthAnnotations.kt
+++ b/src/main/kotlin/roomescape/auth/web/support/AuthAnnotations.kt
@@ -23,3 +23,11 @@ annotation class AdminOnly(
 @Target(AnnotationTarget.FUNCTION)
 @Retention(AnnotationRetention.RUNTIME)
 annotation class UserOnly
+
+@Target(AnnotationTarget.FUNCTION)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class Authenticated
+
+@Target(AnnotationTarget.FUNCTION)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class Public
diff --git a/src/main/kotlin/roomescape/auth/web/support/interceptors/AuthenticatedInterceptor.kt b/src/main/kotlin/roomescape/auth/web/support/interceptors/AuthenticatedInterceptor.kt
new file mode 100644
index 00000000..ff248ff1
--- /dev/null
+++ b/src/main/kotlin/roomescape/auth/web/support/interceptors/AuthenticatedInterceptor.kt
@@ -0,0 +1,50 @@
+package roomescape.auth.web.support.interceptors
+
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
+import jakarta.servlet.http.HttpServletRequest
+import jakarta.servlet.http.HttpServletResponse
+import org.slf4j.MDC
+import org.springframework.stereotype.Component
+import org.springframework.web.method.HandlerMethod
+import org.springframework.web.servlet.HandlerInterceptor
+import roomescape.auth.business.AuthServiceV2
+import roomescape.auth.business.CLAIM_TYPE_KEY
+import roomescape.auth.infrastructure.jwt.JwtUtils
+import roomescape.auth.web.support.Authenticated
+import roomescape.auth.web.support.MDC_MEMBER_ID_KEY
+import roomescape.auth.web.support.accessToken
+import roomescape.common.dto.PrincipalType
+
+private val log: KLogger = KotlinLogging.logger {}
+
+@Component
+class AuthenticatedInterceptor(
+    private val jwtUtils: JwtUtils,
+    private val authService: AuthServiceV2
+) : HandlerInterceptor {
+
+    override fun preHandle(
+        request: HttpServletRequest,
+        response: HttpServletResponse,
+        handler: Any
+    ): Boolean {
+        if ((handler !is HandlerMethod) || (handler.getMethodAnnotation(Authenticated::class.java) == null)) {
+            return true
+        }
+
+        val token: String? = request.accessToken()
+
+        val id = jwtUtils.extractSubject(token).also { MDC.put(MDC_MEMBER_ID_KEY, it) }
+        val type = jwtUtils.extractClaim(token, CLAIM_TYPE_KEY)
+
+        try {
+            authService.findContextById(id.toLong(), PrincipalType.valueOf(type))
+            log.info { "[AuthenticatedInterceptor] 인증 완료. id=$id, type=${type}" }
+
+            return true
+        } catch (e: Exception) {
+            throw e
+        }
+    }
+}