CacheKeyPrefix is added

Author: KYIV\Oleksandr_Nahirniak

src/IdentityModel.AspNetCore.OAuth2Introspection/OAuth2IntrospectionHandler.cs

@@ -76,7 +76,8 @@ protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
 
             if (Options.EnableCaching)
             {
-                var claims = await _cache.GetClaimsAsync(token).ConfigureAwait(false);
+                var key = $"{Options.CacheKeyPrefix}{token}";
+                var claims = await _cache.GetClaimsAsync(key).ConfigureAwait(false);
                 if (claims != null)
                 {
                     var ticket = await CreateTicket(claims);
@@ -124,7 +125,8 @@ protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
 
                     if (Options.EnableCaching)
                     {
-                        await _cache.SetClaimsAsync(token, response.Claims, Options.CacheDuration, _logger).ConfigureAwait(false);
+                        var key = $"{Options.CacheKeyPrefix}{token}";
+                        await _cache.SetClaimsAsync(key, response.Claims, Options.CacheDuration, _logger).ConfigureAwait(false);
                     }
 
                     return AuthenticateResult.Success(ticket);

src/IdentityModel.AspNetCore.OAuth2Introspection/OAuth2IntrospectionOptions.cs

@@ -115,6 +115,11 @@ public OAuth2IntrospectionOptions()
         /// </summary>
         public TimeSpan CacheDuration { get; set; } = TimeSpan.FromMinutes(5);
 
+        /// <summary>
+        /// Specifies the prefix of the cache key (token).
+        /// </summary>
+        public string CacheKeyPrefix { get; set; } = string.Empty;
+
         /// <summary>
         /// Specifies the method how to retrieve the token from the HTTP request
         /// </summary>