internal static GoogleScopes GetInstance()
{
if (instance == default)
{
instance = new GoogleScopes();
}
return(instance);
}
public async Task Login(IEnumerable <ValidScopes> validScopes)
{
validScopes = validScopes.Distinct();
var scopes = GoogleScopes.EnumToString(validScopes);
var clientSecrets = new ClientSecrets()
{
ClientId = ConfigClientId, ClientSecret = ConfigClientSecret
};
if (!IsTokenSet || !Scopes.EnsureContains(validScopes))
{
Credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(clientSecrets, scopes, "user", CancellationToken.None);
Token = Credential.Token;
}
if (IsTokenSet && IsTokenExpired && IsRefreshTokenPresent)
{
await GoogleWebAuthorizationBroker.ReauthorizeAsync(Credential, CancellationToken.None);
}
Scopes = validScopes;
}
