private void VerifyCodeBaseDiscovery(string codeBase)
{
if ((codeBase != null) && (string.Compare(codeBase, 0, "file:", 0, 5, StringComparison.OrdinalIgnoreCase) == 0))
{
URLString str = new URLString(codeBase, true);
new FileIOPermission(FileIOPermissionAccess.PathDiscovery, str.GetFileName()).Demand();
}
}
internal static RuntimeAssembly InternalLoadAssemblyName(AssemblyName assemblyRef, System.Security.Policy.Evidence assemblySecurity, ref StackCrawlMark stackMark, bool forIntrospection, bool suppressSecurityChecks)
{
if (assemblyRef == null)
{
throw new ArgumentNullException("assemblyRef");
}
assemblyRef = (AssemblyName)assemblyRef.Clone();
if (assemblySecurity != null)
{
if (!AppDomain.CurrentDomain.IsLegacyCasPolicyEnabled)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_RequiresCasPolicyImplicit"));
}
if (!suppressSecurityChecks)
{
new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand();
}
}
string strA = VerifyCodeBase(assemblyRef.CodeBase);
if ((strA != null) && !suppressSecurityChecks)
{
if (string.Compare(strA, 0, "file:", 0, 5, StringComparison.OrdinalIgnoreCase) != 0)
{
CreateWebPermission(assemblyRef.EscapedCodeBase).Demand();
}
else
{
URLString str2 = new URLString(strA, true);
new FileIOPermission(FileIOPermissionAccess.PathDiscovery | FileIOPermissionAccess.Read, str2.GetFileName()).Demand();
}
}
return(nLoad(assemblyRef, strA, assemblySecurity, null, ref stackMark, true, forIntrospection, suppressSecurityChecks));
}