protected async ValueTask <TClient> GetClientAsync(bool async, CancellationToken cancellationToken)
{
using (var asyncLock = await _clientAsyncLock.GetLockOrValueAsync(async, cancellationToken).ConfigureAwait(false)) {
if (asyncLock.HasValue)
{
return(asyncLock.Value);
}
var client = await CreateClientAsync(async, cancellationToken).ConfigureAwait(false);
if (TokenCache != null)
{
await TokenCache.RegisterCache(async, client.UserTokenCache, cancellationToken).ConfigureAwait(false);
if (client is IConfidentialClientApplication cca)
{
await TokenCache.RegisterCache(async, cca.AppTokenCache, cancellationToken).ConfigureAwait(false);
}
}
asyncLock.SetValue(client);
return(client);
}
}
private async Task <MsalCacheHelperWrapper> GetCacheHelperAsync(bool async, CancellationToken cancellationToken)
{
using (var asyncLock = await cacheHelperLock.GetLockOrValueAsync(async, cancellationToken).ConfigureAwait(false))
{
if (asyncLock.HasValue)
{
return(asyncLock.Value);
}
MsalCacheHelperWrapper cacheHelper;
try
{
cacheHelper = await GetProtectedCacheHelperAsync(async, _name).ConfigureAwait(false);
cacheHelper.VerifyPersistence();
}
catch (MsalCachePersistenceException)
{
if (_allowUnencryptedStorage)
{
cacheHelper = await GetFallbackCacheHelperAsync(async, _name).ConfigureAwait(false);
cacheHelper.VerifyPersistence();
}
else
{
throw;
}
}
asyncLock.SetValue(cacheHelper);
return(cacheHelper);
}
}