private async Task <XacmlPolicy> GetPolicyInternalAsync(string policyPath, string version = "")
{
if (!_memoryCache.TryGetValue(policyPath + version, out XacmlPolicy policy))
{
Stream policyBlob = string.IsNullOrEmpty(version) ?
await _repository.GetPolicyAsync(policyPath) :
await _repository.GetPolicyVersionAsync(policyPath, version);
using (policyBlob)
{
policy = (policyBlob.Length > 0) ? PolicyHelper.ParsePolicy(policyBlob) : null;
}
PutXacmlPolicyInCache(policyPath, policy);
}
return(policy);
}