private async void cmdOk_Clicked(object sender, EventArgs e)
{
try
{
gridProgress.IsVisible = true;
await Task.Run(async() =>
{
await SessionSingleton.LoginResourceOwner(txtEmail.Text, txtPassword.Text);
IsCancelled = false;
Device.BeginInvokeOnMainThread(() =>
{
ClosePage();
});
});
}
catch (Exception ex)
{
SessionSingleton.EndSession();
await App.Current.MainPage.DisplayAlert("Error", ex.Message, "OK");
}
finally
{
gridProgress.IsVisible = false;
}
}
public static async Task LoginResourceOwner(string username, string userpassword)
{
DiscoveryClient discoClient = new DiscoveryClient(ApiServerURL);
discoClient.Policy.RequireHttps = false;
DiscoveryResponse disco = await discoClient.GetAsync();
if (disco.IsError)
{
throw new Exception(disco.Error);
}
TokenClient client = new TokenClient(disco.TokenEndpoint, ClientName, ClientSecret);
TokenResponse result = await client.RequestResourceOwnerPasswordAsync(username, userpassword, string.Join(" ", ClientScopes));
if (result.IsError)
{
throw new Exception("Could not log in, username or password is incorrect, or you have not yet confirmed your email.");
}
StringBuilder sb = new StringBuilder(128);
sb.AppendLine($"refresh token: {result.RefreshToken}");
sb.AppendLine($"access token: {result.AccessToken}");
System.Diagnostics.Debug.WriteLine(sb.ToString());
SessionSingleton.SetTokens(result.AccessToken, result.RefreshToken);
}
private static async Task LoadAccountEx()
{
Proxies.DCEMVDemoServerClient client = SessionSingleton.GenDCEMVServerApiClient();
using (SessionSingleton.HttpClient)
{
Proxies.Account accountJson = await client.AccountGetAsync();
Account account = Account.FromJsonString(accountJson.ToJson());
SessionSingleton.Account = account;
}
}
public static async Task RequestRefreshToken()
{
DiscoveryClient discoClient = new DiscoveryClient(ApiServerURL);
DiscoveryResponse disco = await discoClient.GetAsync();
if (disco.IsError)
{
throw new Exception(disco.Error);
}
TokenClient client = new TokenClient(disco.TokenEndpoint, ClientName, ClientSecret);
TokenResponse result = await client.RequestRefreshTokenAsync(SessionSingleton.RefreshToken);
if (result.IsError)
{
throw new Exception("Could not refresh token, try logoff and login again.");
}
SessionSingleton.SetTokens(result.AccessToken, result.RefreshToken);
}