From fca5497f658435b2f4bfae6801dda866ae291e85 Mon Sep 17 00:00:00 2001
From: Tharsanan1 <tharsanan.15@cse.mrt.ac.lk>
Date: Mon, 4 Mar 2024 11:40:27 +0530
Subject: [PATCH] Fix bug

---
 .../org/wso2/apk/enforcer/security/jwt/JWTAuthenticator.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gateway/enforcer/org.wso2.apk.enforcer/src/main/java/org/wso2/apk/enforcer/security/jwt/JWTAuthenticator.java b/gateway/enforcer/org.wso2.apk.enforcer/src/main/java/org/wso2/apk/enforcer/security/jwt/JWTAuthenticator.java
index c6e263962..4b46115c1 100644
--- a/gateway/enforcer/org.wso2.apk.enforcer/src/main/java/org/wso2/apk/enforcer/security/jwt/JWTAuthenticator.java
+++ b/gateway/enforcer/org.wso2.apk.enforcer/src/main/java/org/wso2/apk/enforcer/security/jwt/JWTAuthenticator.java
@@ -530,9 +530,12 @@ private Boolean isJWTExpired(JWTValidationInfo payload) {
      *
      * @param list1 The first list to check.
      * @param list2 The second list to check against.
-     * @return true if at least one element from list1 exists in list2, otherwise false.
+     * @return true if list1 is empty else if at least one element from list1 exists in list2, otherwise false.
      */
     public static boolean checkAnyExist(List<String> list1, List<String> list2) {
+        if (list1.size() == 0) {
+            return true;
+        }
         return list1.stream().anyMatch(list2::contains);
     }
 }