public static string MsiGetProductInfo(Guid productCode, MsiWrapper.INSTALLPROPERTY property)
{
var propertyLen = 512;
var sbProperty = new StringBuilder(propertyLen);
var code = MsiWrapper.MsiGetProductInfo(productCode.ToString("B"), property.PropertyName, sbProperty,
ref propertyLen);
//if (code != 0)
// throw new System.IO.IOException("MsiGetProductInfo returned error code " + code);
//If code is 0 prevent returning junk
return(code != 0 ? null : sbProperty.ToString());
}
public static IEnumerable <Guid> MsiEnumProducts()
{
var sbProductCode = new StringBuilder(39);
var iIdx = 0;
while (MsiWrapper.MsiEnumProducts(iIdx++, sbProductCode) == 0)
{
var guidString = sbProductCode.ToString();
if (GuidTools.GuidTryParse(guidString, out var guid))
{
yield return(guid);
}
else
{
Console.WriteLine($@"Invalid MSI guid in MsiEnumProducts: {guidString}");
}
}
}
public static X509Certificate2 GetCertificate(Guid productCode)
{
var localPackage = MsiGetProductInfo(productCode, MsiWrapper.INSTALLPROPERTY.LOCALPACKAGE);
if (localPackage == null || !Path.IsPathRooted(localPackage) || !File.Exists(localPackage))
{
return(null);
}
IntPtr certData;
uint pcb = 0;
var result = MsiWrapper.MsiGetFileSignatureInformation(localPackage, 0, out certData, null, ref pcb);
if (result == 0)
{
return(new X509Certificate2(certData));
}
return(null);
}
