From 5af633d251d532978afab77ae972fd5d222df034 Mon Sep 17 00:00:00 2001
From: gbpark <puget159@gmail.com>
Date: Sat, 25 Apr 2026 15:54:16 +0900
Subject: [PATCH] =?UTF-8?q?=EC=B2=B4=ED=81=AC?=
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---
 .gitignore                                        |  1 +
 .../erp/provisioning/ProvisioningController.java  | 12 +++---------
 .../java/com/erp/tenant/ReservedSubdomains.java   | 15 +++++++++++++++
 .../com/erp/tenant/SubdomainResolverFilter.java   |  2 +-
 4 files changed, 20 insertions(+), 10 deletions(-)
 create mode 100644 backend-spring/src/main/java/com/erp/tenant/ReservedSubdomains.java

diff --git a/.gitignore b/.gitignore
index 819367b0..f42ff16d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,6 +40,7 @@ bin/
 
 # Gradle
 .gradle/
+.gradle-cache/
 **/backend/.gradle/
 
 # Cache
diff --git a/backend-spring/src/main/java/com/erp/provisioning/ProvisioningController.java b/backend-spring/src/main/java/com/erp/provisioning/ProvisioningController.java
index 5dba9ffb..926d66ea 100644
--- a/backend-spring/src/main/java/com/erp/provisioning/ProvisioningController.java
+++ b/backend-spring/src/main/java/com/erp/provisioning/ProvisioningController.java
@@ -1,5 +1,6 @@
 package com.erp.provisioning;
 
+import com.erp.tenant.ReservedSubdomains;
 import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -17,7 +18,6 @@ import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 
 /**
  * Phase 3-A 프로비저닝 API.
@@ -48,12 +48,6 @@ public class ProvisioningController {
     @Value("${tenant.provisioning.require-super-admin:false}")
     private boolean requireSuperAdmin;
 
-    private static final Set<String> RESERVED_SUBDOMAINS = Set.of(
-            "www", "admin", "api", "app", "static", "assets",
-            "main", "mail", "blog", "dev", "test", "staging", "prod", "console",
-            "solution"
-    );
-
     @GetMapping("/table-groups")
     public ResponseEntity<List<Map<String, Object>>> tableGroups(HttpServletRequest request) {
         enforceSuperAdmin(request);
@@ -91,7 +85,7 @@ public class ProvisioningController {
             Map<String, Object> sub = new LinkedHashMap<>();
             sub.put("value", subdomain);
             sub.put("valid_format", formatOk);
-            sub.put("reserved", RESERVED_SUBDOMAINS.contains(subdomain));
+            sub.put("reserved", ReservedSubdomains.VALUES.contains(subdomain));
             sub.put("available", formatOk && !exists);
             sub.put("url_preview", subdomain + ".invyone.com");
             result.put("subdomain", sub);
@@ -242,7 +236,7 @@ public class ProvisioningController {
     private static boolean isValidSubdomain(String s) {
         return s != null
                 && s.matches("^[a-z][a-z0-9-]{2,30}$")
-                && !RESERVED_SUBDOMAINS.contains(s);
+                && !ReservedSubdomains.VALUES.contains(s);
     }
 
     private static boolean isValidDbPrefix(String s) {
diff --git a/backend-spring/src/main/java/com/erp/tenant/ReservedSubdomains.java b/backend-spring/src/main/java/com/erp/tenant/ReservedSubdomains.java
new file mode 100644
index 00000000..7905c95b
--- /dev/null
+++ b/backend-spring/src/main/java/com/erp/tenant/ReservedSubdomains.java
@@ -0,0 +1,15 @@
+package com.erp.tenant;
+
+import java.util.Set;
+
+public final class ReservedSubdomains {
+
+    public static final Set<String> VALUES = Set.of(
+            "www", "admin", "api", "app", "static", "assets",
+            "main", "mail", "blog", "dev", "test", "staging", "prod", "console",
+            "solution"
+    );
+
+    private ReservedSubdomains() {
+    }
+}
diff --git a/backend-spring/src/main/java/com/erp/tenant/SubdomainResolverFilter.java b/backend-spring/src/main/java/com/erp/tenant/SubdomainResolverFilter.java
index f64505ec..425442f2 100644
--- a/backend-spring/src/main/java/com/erp/tenant/SubdomainResolverFilter.java
+++ b/backend-spring/src/main/java/com/erp/tenant/SubdomainResolverFilter.java
@@ -102,7 +102,7 @@ public class SubdomainResolverFilter extends OncePerRequestFilter {
         if (parts.length < 3) return null;   // invyone.com (2파트) → null
 
         String first = parts[0];
-        if ("www".equals(first) || "admin".equals(first)) return null;
+        if (ReservedSubdomains.VALUES.contains(first)) return null;
 
         return first;
     }