private async Task <AuthenticationTicket> DecryptTokenAsync(string token)
{
var notification = new DecryptTokenContext(Context, Options, token)
{
DataFormat = Options.AccessTokenFormat
};
await Options.Events.DecryptToken(notification);
if (notification.Handled)
{
Logger.LogInformation("The default authentication handling was skipped from user code.");
return(notification.Ticket);
}
if (notification.DataFormat == null)
{
throw new InvalidOperationException("A data formatter must be provided.");
}
return(notification.DataFormat.Unprotect(token));
}
/// <summary> /// Invoked when a token is to be decrypted. /// </summary> public virtual Task DecryptToken(DecryptTokenContext context) => OnDecryptToken(context);