Use a singleton JsonClaimSet.Empty (#2195)

AzureAD · Sep 6, 2023 · 6a10950 · 6a10950
1 parent e718231
commit 6a10950
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/src/Microsoft.IdentityModel.JsonWebTokens/Json/JsonClaimSet.cs b/src/Microsoft.IdentityModel.JsonWebTokens/Json/JsonClaimSet.cs
@@ -18,6 +18,8 @@ namespace Microsoft.IdentityModel.JsonWebTokens
     /// </summary>
     internal class JsonClaimSet
     {
+        internal static JsonClaimSet Empty { get; } = new JsonClaimSet("{}"u8.ToArray());
+
         private IList<Claim> _claims;
         private readonly object _claimsLock = new object();
 

diff --git a/src/Microsoft.IdentityModel.JsonWebTokens/JsonWebToken.cs b/src/Microsoft.IdentityModel.JsonWebTokens/JsonWebToken.cs
@@ -450,7 +450,7 @@ private void ReadToken(string encodedJson)
                 // JWE: https://www.rfc-editor.org/rfc/rfc7516
                 // Format: https://www.rfc-editor.org/rfc/rfc7516#page-8
                 // empty payload for JWE's {encrypted tokens}.
-                Payload = new JsonClaimSet(JsonDocument.Parse("{}"));
+                Payload = JsonClaimSet.Empty;
 
                 if (Dot3 == encodedJson.Length)
                     throw LogHelper.LogExceptionMessage(new ArgumentException(LogMessages.IDX14121));