public static string CreateFromStrategy(PolicyResultCacheStrategy strategy, ISecurityPolicy securityPolicy, ISecurityContext context)
{
var policyCacheKey = BuildPolicyCacheKey(strategy, securityPolicy, context);
var cacheKey = BuildCacheKey(strategy, policyCacheKey);
return(cacheKey);
}
private static string BuildPolicyCacheKey(PolicyResultCacheStrategy strategy, ISecurityPolicy securityPolicy, ISecurityContext context)
{
var customPolicyCacheKey = String.Empty;
var cacheKeyProvider = securityPolicy as ICacheKeyProvider;
if (cacheKeyProvider != null)
{
customPolicyCacheKey = cacheKeyProvider.Get(context);
if (customPolicyCacheKey != null)
{
while (customPolicyCacheKey.StartsWith(" ") || customPolicyCacheKey.EndsWith(" "))
{
customPolicyCacheKey = customPolicyCacheKey.Trim();
}
if (!String.IsNullOrWhiteSpace(customPolicyCacheKey))
{
customPolicyCacheKey = String.Concat(Separator, customPolicyCacheKey);
}
}
}
return(String.Concat(strategy.PolicyType.FullName, customPolicyCacheKey));
}
private static string BuildCacheKey(PolicyResultCacheStrategy strategy, string policyCacheKey)
{
string cacheKey;
switch (strategy.CacheLevel)
{
case By.Controller:
cacheKey = String.Concat(strategy.ControllerName, Separator, "*", Separator, policyCacheKey);
break;
case By.ControllerAction:
cacheKey = String.Concat(strategy.ControllerName, Separator, strategy.ActionName, Separator, policyCacheKey);
break;
default: // Policy
cacheKey = String.Concat("*", Separator, "*", Separator, policyCacheKey);
break;
}
return(String.Concat(typeof(PolicyResult).Name, Separator, cacheKey));
}