public SaasMiddleware(
RequestDelegate next,
ITenantPipelineBuilder tenantPipelineBuilder,
IApplicationResolver applicationResolver,
ILogger <SaasMiddleware> logger
)
{
_next = next;
_tenantPipelineBuilder = tenantPipelineBuilder;
_applicationResolver = applicationResolver;
_logger = logger;
}
public static Win32AppInfo Get()
{
var process = Process.GetCurrentProcess();
// First get the app ID
IApplicationResolver appResolver = (IApplicationResolver) new CAppResolver();
appResolver.GetAppIDForProcess(Convert.ToUInt32(process.Id), out string appId, out _, out _, out _);
// Use app ID (or hashed app ID) as AUMID
string aumid = appId.Length > AUMID_MAX_LENGTH?HashAppId(appId) : appId;
// Then try to get the shortcut (for display name and icon)
IShellItem shortcutItem = null;
try
{
appResolver.GetBestShortcutForAppID(appId, out shortcutItem);
}
catch
{
}
string displayName = null;
string iconPath = null;
// First we attempt to use display assets from the shortcut itself
if (shortcutItem != null)
{
try
{
shortcutItem.GetDisplayName(0, out displayName);
((IShellItemImageFactory)shortcutItem).GetImage(new SIZE(48, 48), SIIGBF.IconOnly | SIIGBF.BiggerSizeOk, out IntPtr nativeHBitmap);
if (nativeHBitmap != IntPtr.Zero)
{
try
{
Bitmap bmp = Bitmap.FromHbitmap(nativeHBitmap);
if (IsAlphaBitmap(bmp, out var bmpData))
{
var alphaBitmap = GetAlphaBitmapFromBitmapData(bmpData);
iconPath = SaveIconToAppPath(alphaBitmap, appId);
}
else
{
iconPath = SaveIconToAppPath(bmp, appId);
}
}
catch
{
}
NativeMethods.DeleteObject(nativeHBitmap);
}
}
catch
{
}
}
// If we didn't get a display name from shortcut
if (string.IsNullOrWhiteSpace(displayName))
{
// We use the one from the process
displayName = GetDisplayNameFromCurrentProcess(process);
}
// If we didn't get an icon from shortcut
if (string.IsNullOrWhiteSpace(iconPath))
{
// We use the one from the process
iconPath = ExtractAndObtainIconFromCurrentProcess(process, appId);
}
return(new Win32AppInfo()
{
Aumid = aumid,
DisplayName = displayName,
IconPath = iconPath
});
}
public static Win32AppInfo Get()
{
var process = Process.GetCurrentProcess();
// First get the app ID
IApplicationResolver appResolver = (IApplicationResolver) new CAppResolver();
appResolver.GetAppIDForProcess(Convert.ToUInt32(process.Id), out string appId, out _, out _, out _);
string aumid;
string pre7_0_1Aumid = null;
// If the app ID is too long
if (appId.Length > AUMID_MAX_LENGTH)
{
// Hash the AUMID
aumid = HashAppId(appId);
}
// Else if it contains a backslash
else if (appId.Contains('\\'))
{
// For versions 19042 and older of Windows 10, we can't use backslashes - Issue #3870
// So we change it to not include those
aumid = appId.Replace('\\', '/');
pre7_0_1Aumid = appId;
}
else
{
// Use as-is
aumid = appId;
}
// Then try to get the shortcut (for display name and icon)
IShellItem shortcutItem = null;
try
{
appResolver.GetBestShortcutForAppID(appId, out shortcutItem);
}
catch
{
}
string displayName = null;
string iconPath = null;
// First we attempt to use display assets from the shortcut itself
if (shortcutItem != null)
{
try
{
shortcutItem.GetDisplayName(0, out displayName);
((IShellItemImageFactory)shortcutItem).GetImage(new SIZE(48, 48), SIIGBF.IconOnly | SIIGBF.BiggerSizeOk, out IntPtr nativeHBitmap);
if (nativeHBitmap != IntPtr.Zero)
{
try
{
Bitmap bmp = Bitmap.FromHbitmap(nativeHBitmap);
if (IsAlphaBitmap(bmp, out var bmpData))
{
var alphaBitmap = GetAlphaBitmapFromBitmapData(bmpData);
iconPath = SaveIconToAppPath(alphaBitmap, aumid);
}
else
{
iconPath = SaveIconToAppPath(bmp, aumid);
}
}
catch
{
}
NativeMethods.DeleteObject(nativeHBitmap);
}
}
catch
{
}
}
// If we didn't get a display name from shortcut
if (string.IsNullOrWhiteSpace(displayName))
{
// We use the one from the process
displayName = GetDisplayNameFromCurrentProcess(process);
}
// If we didn't get an icon from shortcut
if (string.IsNullOrWhiteSpace(iconPath))
{
// We use the one from the process
iconPath = ExtractAndObtainIconFromCurrentProcess(process, aumid);
}
return(new Win32AppInfo()
{
Aumid = aumid,
Pre7_0_1Aumid = pre7_0_1Aumid,
DisplayName = displayName,
IconPath = iconPath
});
}