diff --git a/src/main/java/org/ntlab/tampoposerver/repositories/UserRepository.java b/src/main/java/org/ntlab/tampoposerver/repositories/UserRepository.java
index 1450b1e..c65beaa 100644
--- a/src/main/java/org/ntlab/tampoposerver/repositories/UserRepository.java
+++ b/src/main/java/org/ntlab/tampoposerver/repositories/UserRepository.java
@@ -27,7 +27,7 @@
         return userMap.get(userId);
     }
 
-    public ArrayList<User> getAllUsers() {
+    public ArrayList<User> getAllUsers() {//全アカウントのuserIdを取得
         ArrayList<User> u = new ArrayList<>();
         for (String key : userMap.keySet()) {
             u.add(userMap.get(key));
@@ -54,7 +54,18 @@
         User user = getUser(userId);
         if (user == null) return false;
         if (pair == null) return false;
-        boolean result =  user.getFriendPairs().remove(pair);
+        boolean result = user.getFriendPairs().remove(pair);
         return result;
     }
-}
\ No newline at end of file
+
+    public boolean checkToken(String userId, String token) {// 指定されたユーザーのトークンと渡されたトークンの確認
+        User user = getUser(userId);
+        if (user == null) return false;
+        if (token == null) return false;
+        if (user.getToken().equals(token)) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}