/// <summary>
/// Passes in client credential. If they have not expired, return them; otherwise, get and return a new set of client credentials.
/// </summary>
/// <param name="clientCredential">Client credentials.</param>
/// <param name="scopeList">Scope list.</param>
/// <returns></returns>
public async Task <OAuthToken> GetClientCredentials(OAuthToken clientCredential, string scopeList)
{
if (clientCredential != null)
{
if (!clientCredential.IsExpired())
{
return(clientCredential);
}
if (clientCredential.CreationTime > DateTime.Now.AddSeconds(ExpiredSeconds))
{
return(await GetRefreshedClientCredential(clientCredential.RefreshToken));
}
}
return(await GetNewClientCredential(scopeList));
}