private static async Task <NamedPipeAsAppServiceConnection> BuildConnection(bool launchFullTrust)
{
try
{
if (launchFullTrust)
{
// Launch fulltrust process
ApplicationData.Current.LocalSettings.Values["PackageSid"] =
WebAuthenticationBroker.GetCurrentApplicationCallbackUri().Host.ToUpperInvariant();
await FullTrustProcessLauncher.LaunchFullTrustProcessForCurrentAppAsync();
}
var connection = new NamedPipeAsAppServiceConnection();
if (await connection.Connect(@"LOCAL\FilesInteropService_ServerPipe", TimeSpan.FromSeconds(15)))
{
return(connection);
}
connection.Dispose();
}
catch (Exception ex)
{
App.Logger.Warn(ex, "Could not initialize FTP connection!");
}
return(null);
}
public static async Task <bool> Elevate(this NamedPipeAsAppServiceConnection connection)
{
if (connection == null)
{
App.MainViewModel.IsFullTrustElevated = false;
return(false);
}
bool wasElevated = false;
var(status, response) = await connection.SendMessageForResponseAsync(new ValueSet()
{
{ "Arguments", "Elevate" }
});
if (status == AppServiceResponseStatus.Success)
{
var res = response.Get("Success", 1L);
switch (res)
{
case 0: // FTP is restarting as admin
var nullConn = Task.FromResult <NamedPipeAsAppServiceConnection>(null);
ConnectionChanged?.Invoke(null, nullConn);
(await Instance)?.Dispose();
Instance = BuildConnection(false); // Fulltrust process is already running
_ = await Instance;
ConnectionChanged?.Invoke(null, Instance);
wasElevated = true;
break;
case -1: // FTP is already admin
wasElevated = true;
break;
default: // Failed (e.g canceled UAC)
wasElevated = false;
break;
}
}
App.MainViewModel.IsFullTrustElevated = wasElevated;
return(wasElevated);
}
public static async Task <List <ContextMenuFlyoutItemViewModel> > GetShellContextmenuAsync(bool showOpenMenu, bool shiftPressed, NamedPipeAsAppServiceConnection connection, string workingDirectory, List <ListedItem> selectedItems)
{
bool IsItemSelected = selectedItems?.Count > 0;
var menuItemsList = new List <ContextMenuFlyoutItemViewModel>();
if (connection != null)
{
var(status, response) = await connection.SendMessageForResponseAsync(new ValueSet()
{
{ "Arguments", "LoadContextMenu" },
{ "FilePath", IsItemSelected ?
string.Join('|', selectedItems.Select(x => x.ItemPath)) :
workingDirectory },
{ "ExtendedMenu", shiftPressed },
{ "ShowOpenMenu", showOpenMenu }
});
if (status == AppServiceResponseStatus.Success &&
response.ContainsKey("Handle"))
{
var contextMenu = JsonConvert.DeserializeObject <Win32ContextMenu>((string)response["ContextMenu"]);
if (contextMenu != null)
{
LoadMenuFlyoutItem(menuItemsList, contextMenu.Items, (string)response["Handle"], true);
}
}
}
return(menuItemsList);
}