private static bool TryGetCachedPrincipalData(Guid guid, out ADCachedPrincipal cacheData)
{
TimeSpan cacheExpiry =
ConfigurationHelper.ParseTimeSpanOrDefault(
ConfigurationManager.AppSettings["ActiveDirectoryPrincipalCacheExpiry"],
s_defaultPrincipalCacheExpiry
);
for (int i = s_cachedPrincipals.Count - 1; i >= 0; i--)
{
ADCachedPrincipal dataSet = s_cachedPrincipals[i];
if (DateTime.UtcNow.Subtract(cacheExpiry) > dataSet.CacheTime)
{
Log.Verbose("ADCACHE: Cache expired for {Guid}", guid);
dataSet.Dispose();
s_cachedPrincipals.RemoveAt(i);
continue;
}
if (dataSet.Principal.Guid == guid)
{
Log.Verbose("ADCACHE: Cache hit for {Guid}", guid);
cacheData = dataSet;
return(true);
}
}
Log.Verbose("ADCACHE: Cache miss for {Guid}", guid);
cacheData = null;
return(false);
}
private static bool TryGetCachedPrincipalData(string name, out ADCachedPrincipal cacheData)
{
bool searchUpn = name.Contains("@");
TimeSpan cacheExpiry =
ConfigurationHelper.ParseTimeSpanOrDefault(
ConfigurationManager.AppSettings["ActiveDirectoryPrincipalCacheExpiry"],
s_defaultPrincipalCacheExpiry
);
for (int i = s_cachedPrincipals.Count - 1; i >= 0; i--)
{
ADCachedPrincipal dataSet = s_cachedPrincipals[i];
if (DateTime.UtcNow.Subtract(cacheExpiry) > dataSet.CacheTime)
{
Log.Verbose("ADCACHE: Cache expired for {Name}", name);
dataSet.Dispose();
s_cachedPrincipals.RemoveAt(i);
continue;
}
if (searchUpn && !string.IsNullOrEmpty(dataSet.Principal.UserPrincipalName))
{
if (dataSet.Principal.UserPrincipalName.Equals(name, StringComparison.InvariantCultureIgnoreCase))
{
Log.Verbose("ADCACHE: Cache hit for {UPN}", name);
cacheData = dataSet;
return(true);
}
}
else
{
if (dataSet.Principal.SamAccountName.Equals(name, StringComparison.InvariantCultureIgnoreCase))
{
Log.Verbose("ADCACHE: Cache hit for {SamAccountName}", name);
cacheData = dataSet;
return(true);
}
}
}
Log.Verbose("ADCACHE: Cache miss for {Name}", name);
cacheData = null;
return(false);
}