| private static ValidateInternalRecursive ( System.ComponentModel.LicenseContext context, Type type, object instance, bool allowExceptions, System.ComponentModel.License &license, string &licenseKey ) : bool | ||
| context | System.ComponentModel.LicenseContext | |
| type | Type | |
| instance | object | |
| allowExceptions | bool | |
| license | System.ComponentModel.License | |
| licenseKey | string | |
| return | bool | |
// The CLR invokes this whenever a COM client invokes
// IClassFactory2::GetLicInfo on a managed class.
//
// COM normally doesn't expect this function to fail so this method
// should only throw in the case of a catastrophic error (stack, memory, etc.)
private void GetLicInfo(RuntimeTypeHandle rth, ref int pRuntimeKeyAvail, ref int pLicVerified)
{
pRuntimeKeyAvail = 0;
pLicVerified = 0;
Type type = Type.GetTypeFromHandle(rth);
License license;
string licenseKey;
if (helperContext == null)
{
helperContext = new DesigntimeLicenseContext();
}
else
{
helperContext.savedLicenseKeys.Clear();
}
if (LicenseManager.ValidateInternalRecursive(helperContext, type, null, false, out license, out licenseKey))
{
if (helperContext.savedLicenseKeys.Contains(type.AssemblyQualifiedName))
{
pRuntimeKeyAvail = 1;
}
if (license != null)
{
license.Dispose();
license = null;
pLicVerified = 1;
}
}
}
// The CLR invokes this whenever a COM client invokes
// IClassFactory2::RequestLicKey on a managed class.
//
// This method should return the appropriate HRESULT and set pbstrKey
// to the licensing key.
private static int RequestLicKey(RuntimeTypeHandle rth, ref IntPtr pbstrKey)
{
Type type = Type.GetTypeFromHandle(rth);
License license;
string licenseKey;
// license will be null, since we passed no instance,
// however we can still retrieve the "first" license
// key from the file. This really will only
// work for simple COM-compatible license providers
// like LicFileLicenseProvider that don't require the
// instance to grant a key.
//
if (!LicenseManager.ValidateInternalRecursive(LicenseManager.CurrentContext,
type,
null,
false,
out license,
out licenseKey))
{
return(E_FAIL);
}
if (licenseKey == null)
{
return(E_FAIL);
}
pbstrKey = Marshal.StringToBSTR(licenseKey);
if (license != null)
{
license.Dispose();
license = null;
}
return(S_OK);
}
// Used to validate a type and retrieve license details
// when activating a managed COM server from an IClassFactory2 instance.
public static bool ValidateAndRetrieveLicenseDetails(
LicenseContext context,
Type type,
out License?license,
out string?licenseKey)
{
context ??= LicenseManager.CurrentContext;
return(LicenseManager.ValidateInternalRecursive(
context,
type,
instance: null,
allowExceptions: false,
out license,
out licenseKey));
}
private static int RequestLicKey(RuntimeTypeHandle rth, ref IntPtr pbstrKey)
{
License license;
string str;
Type typeFromHandle = Type.GetTypeFromHandle(rth);
if (!LicenseManager.ValidateInternalRecursive(LicenseManager.CurrentContext, typeFromHandle, null, false, out license, out str))
{
return(-2147483640);
}
if (str == null)
{
return(-2147483640);
}
pbstrKey = Marshal.StringToBSTR(str);
if (license != null)
{
license.Dispose();
license = null;
}
return(0);
}