private async void CheckUriIdentity_Click(object sender, RoutedEventArgs e)
{
Uri resourceUri;
string resourceIdentity;
ThreadNetworkContext context = null;
try
{
if (!Uri.TryCreate(EnterpriseUri.Text.Trim(), UriKind.Absolute, out resourceUri))
{
rootPage.NotifyUser("Invalid URI, please re-enter a valid URI", NotifyType.ErrorMessage);
return;
}
resourceIdentity =
await ProtectionPolicyManager.GetPrimaryManagedIdentityForNetworkEndpointAsync(
new HostName(resourceUri.Host));
// if resourceIdentity is empty or Null, then it is considered personal
if (!string.IsNullOrEmpty(resourceIdentity))
{
context = ProtectionPolicyManager.CreateCurrentThreadNetworkContext(resourceIdentity);
}
// Access enterprise content
rootPage.NotifyUser("Accessing Enterprise content.........", NotifyType.StatusMessage);
HttpClientHandler httpHandler = new HttpClientHandler();
if (!string.IsNullOrEmpty(UserNameBox.Text) &&
!string.IsNullOrEmpty(DomainBox.Text) &&
!string.IsNullOrEmpty(Passwordbox.Password))
{
httpHandler.Credentials = new NetworkCredential(UserNameBox.Text, Passwordbox.Password, DomainBox.Text);
}
httpHandler.AllowAutoRedirect = true;
using (var client = new HttpClient(httpHandler))
{
var message = new HttpRequestMessage(HttpMethod.Get, resourceUri);
message.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1)");
var result = await client.SendAsync(message);
}
// Access to network resource was a success. If it wasn't, exception would have been thrown
rootPage.NotifyUser("Successfully got network resource", NotifyType.StatusMessage);
}
catch (Exception ex)
{
rootPage.NotifyUser(ex.ToString(), NotifyType.ErrorMessage);
}
finally
{
if (context != null)
{
context.Dispose();
}
}
}
private async void ConnectUsingBackgroundTransfer(string resourceIdentity, Uri resourceUri)
{
ThreadNetworkContext context = null;
try
{
// For demonstrational purposes, when "Use personal context" is selected,
// the resourceIdentity is set to null to force personal context.
// When using Windows.Networking.BackgroundTransfer, the app is responsible for disallowing connections
// to enterprise owned URLs when in personal context.
// Otherwise, the app may inadvertently access cached data for a different context.
if (UsePersonalContext.IsChecked.Value && !string.IsNullOrEmpty(resourceIdentity))
{
rootPage.NotifyUser("This app does not have access to the specified URL in personal context", NotifyType.ErrorMessage);
return;
}
rootPage.NotifyUser("Creating file.........", NotifyType.StatusMessage);
StorageFile resultFile = await ApplicationData.Current.LocalFolder.CreateFileAsync(
"ResultFile.txt",
CreationCollisionOption.GenerateUniqueName);
if (!string.IsNullOrEmpty(resourceIdentity))
{
context = ProtectionPolicyManager.CreateCurrentThreadNetworkContext(resourceIdentity);
}
rootPage.NotifyUser("Accessing network resource.........", NotifyType.StatusMessage);
BackgroundDownloader downloader = new BackgroundDownloader();
if (!string.IsNullOrEmpty(UserNameBox.Text) &&
!string.IsNullOrEmpty(Passwordbox.Password))
{
downloader.ServerCredential = new PasswordCredential(
resourceUri.AbsoluteUri,
UserNameBox.Text,
Passwordbox.Password);
}
DownloadOperation download = downloader.CreateDownload(resourceUri, resultFile);
await HandleDownloadAsync(download);
}
catch (Exception ex)
{
rootPage.NotifyUser(ex.ToString(), NotifyType.ErrorMessage);
}
finally
{
if (context != null)
{
context.Dispose();
}
}
}
static T UsingNetworkContext <T>(string identity, Func <T> lambda)
{
// The "using" statement will Dispose the object when control leaves the block.
using (ThreadNetworkContext context = string.IsNullOrEmpty(identity)
? null
: ProtectionPolicyManager.CreateCurrentThreadNetworkContext(identity))
{
return(lambda());
}
}
private async void CheckUriIdentity_Click(object sender, RoutedEventArgs e)
{
Uri resourceUri;
string resourceIdentity;
ThreadNetworkContext context = null;
IdentityBox.Text = String.Empty;
try
{
rootPage.NotifyUser("Creating file.........", NotifyType.StatusMessage);
StorageFile resultFile = await ApplicationData.Current.LocalFolder.CreateFileAsync(
"ResultFile.txt",
CreationCollisionOption.GenerateUniqueName);
if (!Uri.TryCreate(EnterpriseUri.Text.Trim(), UriKind.Absolute, out resourceUri))
{
rootPage.NotifyUser("Invalid URI, please re-enter a valid URI", NotifyType.ErrorMessage);
return;
}
resourceIdentity = await ProtectionPolicyManager.GetPrimaryManagedIdentityForNetworkEndpointAsync(
new HostName(resourceUri.Host));
// if resourceIdentity is empty or Null, then it is considered personal
IdentityBox.Text = resourceIdentity;
if (!string.IsNullOrEmpty(resourceIdentity))
{
context = ProtectionPolicyManager.CreateCurrentThreadNetworkContext(resourceIdentity);
}
// Access enterprise content
rootPage.NotifyUser("Accessing network resource.........", NotifyType.StatusMessage);
BackgroundDownloader downloader = new BackgroundDownloader();
if (!string.IsNullOrEmpty(UserNameBox.Text) &&
!string.IsNullOrEmpty(Passwordbox.Password))
{
downloader.ServerCredential = new PasswordCredential(
resourceUri.AbsoluteUri,
UserNameBox.Text,
Passwordbox.Password);
}
DownloadOperation download = downloader.CreateDownload(resourceUri, resultFile);
await HandleDownloadAsync(download);
}
catch (Exception ex)
{
rootPage.NotifyUser(ex.ToString(), NotifyType.ErrorMessage);
}
finally
{
if (context != null)
{
context.Dispose();
}
}
}