/// <summary>
/// After cache access
/// </summary>
/// <param name="args">Callback parameters from MSAL</param>
internal void AfterAccessNotification(TokenCacheNotificationArgs args)
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After access");
try
{
// if the access operation resulted in a cache update
if (args.HasStateChanged)
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After access, cache in memory HasChanged");
try
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Before Write Store");
byte[] data = args.TokenCache.SerializeMsalV3();
_cachedStoreData = data;
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Serializing '{data.Length}' bytes");
_store.WriteData(data);
try
{
// The _store.LastVersionToken is written when we call _store.ReadData, but we know that we're
// up-to-date here, so read the actual version from the file, so we can skip deserializing next time.
var versionToken = File.ReadAllText(_store.VersionFilePath);
_registeredCaches[args.TokenCache] = versionToken;
}
catch (IOException ex)
{
_logger.TraceEvent(TraceEventType.Warning, /*id*/ 0, $"MsalCacheHelper: Unable to read version file due to exception: '{ex.Message}'");
}
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After write store");
}
catch (Exception e)
{
_logger.TraceEvent(TraceEventType.Error, /*id*/ 0, $"An exception was encountered while serializing the {nameof(MsalCacheHelper)} : {e}");
_logger.TraceEvent(TraceEventType.Error, /*id*/ 0, $"No data found in the store, clearing the cache in memory.");
// The cache is corrupt clear it out
Clear();
throw;
}
}
}
finally
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Releasing lock");
CacheLock?.Dispose();
CacheLock = null;
}
}
/// <summary>
/// After cache access
/// </summary>
/// <param name="args">Callback parameters from MSAL</param>
internal void AfterAccessNotification(TokenCacheNotificationArgs args)
{
try
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After access");
// if the access operation resulted in a cache update
if (args.HasStateChanged)
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After access, cache in memory HasChanged");
try
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Before Write Store");
byte[] data = args.TokenCache.SerializeMsalV3();
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Serializing '{data.Length}' bytes");
_store.WriteData(data);
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After write store");
}
catch (Exception e)
{
_logger.TraceEvent(TraceEventType.Error, /*id*/ 0, $"An exception was encountered while serializing the {nameof(MsalCacheHelper)} : {e}");
_logger.TraceEvent(TraceEventType.Error, /*id*/ 0, $"No data found in the store, clearing the cache in memory.");
// The cache is corrupt clear it out
Clear();
throw;
}
}
}
finally
{
// Get a local copy and call null before disposing because when the lock is disposed the next thread will replace CacheLock with its instance,
// therefore we do not want to null out CacheLock after dispose since this may orphan a CacheLock.
var localDispose = CacheLock;
CacheLock = null;
localDispose?.Dispose();
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Released lock");
}
}
/// <summary>
/// After cache access
/// </summary>
/// <param name="args">Callback parameters from MSAL</param>
internal void AfterAccessNotification(TokenCacheNotificationArgs args)
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After access");
try
{
// if the access operation resulted in a cache update
if (args.HasStateChanged)
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After access, cache in memory HasChanged");
try
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Before Write Store");
byte[] data = args.TokenCache.SerializeMsalV3();
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Serializing '{data.Length}' bytes");
_store.WriteData(data);
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"After write store");
}
catch (Exception e)
{
_logger.TraceEvent(TraceEventType.Error, /*id*/ 0, $"An exception was encountered while serializing the {nameof(MsalCacheHelper)} : {e}");
_logger.TraceEvent(TraceEventType.Error, /*id*/ 0, $"No data found in the store, clearing the cache in memory.");
// The cache is corrupt clear it out
Clear();
throw;
}
}
}
finally
{
_logger.TraceEvent(TraceEventType.Information, /*id*/ 0, $"Releasing lock");
CacheLock?.Dispose();
CacheLock = null;
}
}
