private async Task AuthenticateAsync()
{
var scopes = new List <MSAScope> {
MSAScope.Basic, MSAScope.Emails, MSAScope.OfflineAccess, MSAScope.SignIn
};
string authUri = App.API.RetrieveAuthenticationUri(scopes);
WebAuthenticationResult result = await WebAuthenticationBroker.AuthenticateAsync(
WebAuthenticationOptions.None,
new Uri(authUri),
new Uri(ApiClient.RedirectUri));
if (result.ResponseStatus == WebAuthenticationStatus.Success)
{
if (!string.IsNullOrWhiteSpace(result.ResponseData))
{
var responseUri = new Uri(result.ResponseData);
if (responseUri.LocalPath.StartsWith("/oauth20_desktop.srf", StringComparison.OrdinalIgnoreCase))
{
string error = responseUri.GetQueryValue("error");
if (string.IsNullOrWhiteSpace(error))
{
string authCode = responseUri.GetQueryValue("code");
MSACredentials msaCredentials = await App.API.ExchangeAuthCodeAsync(authCode);
IStorageFile file = await ApplicationData.Current.LocalFolder.CreateFileAsync(CredentialsFileName, CreationCollisionOption.OpenIfExists);
await file.WriteTextAsync(JsonConvert.SerializeObject(msaCredentials));
}
else
{
await App.MessageDialogManager.ShowAsync(error);
}
}
}
}
this.UpdateButtonStates();
}
public static async Task SaveDataAsync <T>(this IStorageFile storageFile, T data)
{
var json = SerializationService.Json.Serialize(data);
await storageFile.WriteTextAsync(json);
}
