Files
mRemoteNG/mRemoteV1/Tools/IeBrowserEmulation.cs
David Sparer 41fe211aec resolved #610
2017-09-15 08:07:12 -05:00

228 lines
11 KiB
C#

using Microsoft.Win32;
using mRemoteNG.App;
using mRemoteNG.Messages;
using System;
using System.Diagnostics;
using System.IO;
using System.Security.AccessControl;
namespace mRemoteNG.Tools
{
public class IeBrowserEmulation
{
// found this here:
// http://www.neowin.net/forum/topic/1077469-vbnet-webbrowser-control-does-not-load-javascript/#comment-596755046
private static void SetBrowserFeatureControlKey(string feature, string appName, uint value)
{
if (Environment.Is64BitOperatingSystem)
{
using (RegistryKey key = Registry.CurrentUser.CreateSubKey(string.Concat("Software\\Wow6432Node\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\", feature), RegistryKeyPermissionCheck.ReadWriteSubTree))
{
key?.SetValue(appName, value, RegistryValueKind.DWord);
}
}
using (RegistryKey key = Registry.CurrentUser.CreateSubKey(string.Concat("Software\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\", feature), RegistryKeyPermissionCheck.ReadWriteSubTree))
{
key?.SetValue(appName, value, RegistryValueKind.DWord);
}
}
private static void DeleteBrowserFeatureControlKey(string feature, string appName)
{
if (Environment.Is64BitOperatingSystem)
{
using (RegistryKey key = Registry.CurrentUser.OpenSubKey(string.Concat("Software\\Wow6432Node\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\", feature), RegistryKeyPermissionCheck.ReadWriteSubTree))
{
key?.DeleteValue(appName);
}
}
using (RegistryKey key = Registry.CurrentUser.CreateSubKey(string.Concat("Software\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\", feature), RegistryKeyPermissionCheck.ReadWriteSubTree))
{
key?.DeleteValue(appName);
}
}
private static void SetBrowserFeatureControl()
{
// http://msdn.microsoft.com/en-us/library/ee330720(v=vs.85).aspx
// FeatureControl settings are per-process
var fileName = Path.GetFileName(Process.GetCurrentProcess().MainModule.FileName);
// make the control is not running inside Visual Studio Designer
if (string.Compare(fileName, "devenv.exe", StringComparison.OrdinalIgnoreCase) == 0 || string.Compare(fileName, "XDesProc.exe", StringComparison.OrdinalIgnoreCase) == 0)
{
return;
}
SetBrowserFeatureControlKey("FEATURE_BROWSER_EMULATION", fileName, GetBrowserEmulationMode());
// Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode.
SetBrowserFeatureControlKey("FEATURE_AJAX_CONNECTIONEVENTS", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_ENABLE_CLIPCHILDREN_OPTIMIZATION", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_MANAGE_SCRIPT_CIRCULAR_REFS", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_DOMSTORAGE", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_GPU_RENDERING", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_IVIEWOBJECTDRAW_DMLT9_WITH_GDI", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_DISABLE_LEGACY_COMPRESSION", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_LOCALMACHINE_LOCKDOWN", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_BLOCK_LMZ_OBJECT", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_BLOCK_LMZ_SCRIPT", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_DISABLE_NAVIGATION_SOUNDS", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_SCRIPTURL_MITIGATION", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_SPELLCHECKING", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_STATUS_BAR_THROTTLING", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_TABBED_BROWSING", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_VALIDATE_NAVIGATE_URL", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_WEBOC_DOCUMENT_ZOOM", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_WEBOC_POPUPMANAGEMENT", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_WEBOC_MOVESIZECHILD", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_ADDON_MANAGEMENT", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_WEBSOCKET", fileName, 1);
SetBrowserFeatureControlKey("FEATURE_WINDOW_RESTRICTIONS", fileName, 0);
SetBrowserFeatureControlKey("FEATURE_XMLHTTP", fileName, 1);
}
private static void DeleteBrowserFeatureControl()
{
// http://msdn.microsoft.com/en-us/library/ee330720(v=vs.85).aspx
// FeatureControl settings are per-process
var fileName = Path.GetFileName(Process.GetCurrentProcess().MainModule.FileName);
// make the control is not running inside Visual Studio Designer
if (string.Compare(fileName, "devenv.exe", StringComparison.OrdinalIgnoreCase) == 0 || string.Compare(fileName, "XDesProc.exe", StringComparison.OrdinalIgnoreCase) == 0)
{
return;
}
DeleteBrowserFeatureControlKey("FEATURE_BROWSER_EMULATION", fileName);
// Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode.
DeleteBrowserFeatureControlKey("FEATURE_AJAX_CONNECTIONEVENTS", fileName);
DeleteBrowserFeatureControlKey("FEATURE_ENABLE_CLIPCHILDREN_OPTIMIZATION", fileName);
DeleteBrowserFeatureControlKey("FEATURE_MANAGE_SCRIPT_CIRCULAR_REFS", fileName);
DeleteBrowserFeatureControlKey("FEATURE_DOMSTORAGE", fileName);
DeleteBrowserFeatureControlKey("FEATURE_GPU_RENDERING", fileName);
DeleteBrowserFeatureControlKey("FEATURE_IVIEWOBJECTDRAW_DMLT9_WITH_GDI", fileName);
DeleteBrowserFeatureControlKey("FEATURE_DISABLE_LEGACY_COMPRESSION", fileName);
DeleteBrowserFeatureControlKey("FEATURE_LOCALMACHINE_LOCKDOWN", fileName);
DeleteBrowserFeatureControlKey("FEATURE_BLOCK_LMZ_OBJECT", fileName);
DeleteBrowserFeatureControlKey("FEATURE_BLOCK_LMZ_SCRIPT", fileName);
DeleteBrowserFeatureControlKey("FEATURE_DISABLE_NAVIGATION_SOUNDS", fileName);
DeleteBrowserFeatureControlKey("FEATURE_SCRIPTURL_MITIGATION", fileName);
DeleteBrowserFeatureControlKey("FEATURE_SPELLCHECKING", fileName);
DeleteBrowserFeatureControlKey("FEATURE_STATUS_BAR_THROTTLING", fileName);
DeleteBrowserFeatureControlKey("FEATURE_TABBED_BROWSING", fileName);
DeleteBrowserFeatureControlKey("FEATURE_VALIDATE_NAVIGATE_URL", fileName);
DeleteBrowserFeatureControlKey("FEATURE_WEBOC_DOCUMENT_ZOOM", fileName);
DeleteBrowserFeatureControlKey("FEATURE_WEBOC_POPUPMANAGEMENT", fileName);
DeleteBrowserFeatureControlKey("FEATURE_WEBOC_MOVESIZECHILD", fileName);
DeleteBrowserFeatureControlKey("FEATURE_ADDON_MANAGEMENT", fileName);
DeleteBrowserFeatureControlKey("FEATURE_WEBSOCKET", fileName);
DeleteBrowserFeatureControlKey("FEATURE_WINDOW_RESTRICTIONS", fileName);
DeleteBrowserFeatureControlKey("FEATURE_XMLHTTP", fileName);
}
private static uint GetBrowserEmulationMode()
{
// https://msdn.microsoft.com/en-us/library/ee330730%28v=vs.85%29.aspx
var browserVersion = 9;
// default to IE9.
using (RegistryKey ieKey = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Internet Explorer", RegistryKeyPermissionCheck.ReadSubTree, RegistryRights.QueryValues))
{
if (ieKey != null)
{
var version = ieKey.GetValue("svcVersion");
if (null == version)
{
version = ieKey.GetValue("Version");
if (version == null)
{
throw new ApplicationException("Microsoft Internet Explorer is required!");
}
}
int.TryParse(version.ToString().Split('.')[0], out browserVersion);
}
}
uint mode;
switch (browserVersion)
{
// https://support.microsoft.com/en-us/lifecycle#gp/Microsoft-Internet-Explorer
// IE 7 & 8 are basically not supported any more...
#if OLD_BROWSERS
// Webpages containing standards-based !DOCTYPE directives are displayed in IE7 Standards mode. Default value for applications hosting the WebBrowser Control.
case 7:
mode = 7000;
break;
// Webpages containing standards-based !DOCTYPE directives are displayed in IE8 mode. Default value for Internet Explorer 8
case 8:
mode = 8000;
break;
#endif
// Internet Explorer 9. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode. Default value for Internet Explorer 9.
case 9:
mode = 9000;
break;
// Internet Explorer 10. Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode. Default value for Internet Explorer 10.
case 10:
mode = 10000;
break;
// IE11. Webpages containing standards-based !DOCTYPE directives are displayed in IE11 edge mode. Default value for IE11.
case 11:
mode = 11000;
break;
default:
// use IE9 mode by default
mode = 9000;
break;
}
return mode;
}
public static void Register()
{
try
{
SetBrowserFeatureControl();
}
catch (Exception ex)
{
Runtime.MessageCollector?.AddExceptionMessage("IeBrowserEmulation.Register() failed.", ex, MessageClass.ErrorMsg, true);
}
}
public static void Unregister()
{
#if PORTABLE
try
{
DeleteBrowserFeatureControl();
}
catch (Exception ex)
{
Runtime.MessageCollector?.AddExceptionMessage("IeBrowserEmulation.Unregister() failed.", ex, MessageClass.ErrorMsg, true);
}
#endif
}
private IeBrowserEmulation()
{
}
}
}