/// <summary>
/// Initializes the Google Drive library, and ignites the authorization process if needed.
/// </summary>
/// <returns>Returns a task to be awaited until the initialization process is done.</returns>
public async Task Initialize()
{
var path = ConfigurationUtility.GetExtensionConfigurationFilePath(GetType());
path = Path.GetDirectoryName(path);
UserCredential credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
new ClientSecrets
{
ClientId = ClientId,
ClientSecret = ClientSecret,
},
Scopes,
"user",
CancellationToken.None,
new FileDataStore(path, true));
driveService = new DriveService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = ApplicationName,
});
}