/// <summary>
/// Perform the additional path checks that would normally happen when creating a FileIOPermission object.
/// </summary>
/// <param name="fullPath">A path that has already gone through GetFullPath or Normalize</param>
internal static void EmulateFileIOPermissionChecks(string fullPath)
{
// Callers should have already made checks for invalid path format via normalization. This method will only make the
// additional checks needed to throw the same exceptions that would normally throw when using FileIOPermission.
// These checks are done via CheckIllegalCharacters() and StringExpressionSet in AddPathList() above.
#if !PLATFORM_UNIX
// Checking for colon / invalid characters on device paths blocks legitimate access to objects such as named pipes.
if (!PathInternal.IsDevice(fullPath))
{
// GetFullPath already checks normal invalid path characters. We need to just check additional (wildcard) characters here.
// (By calling the standard helper we can allow extended paths \\?\ through when the support is enabled.)
if (PathInternal.HasWildCardCharacters(fullPath))
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidPathChars"));
}
if (PathInternal.HasInvalidVolumeSeparator(fullPath))
{
throw new NotSupportedException(Environment.GetResourceString("Argument_PathFormatNotSupported"));
}
}
#endif // !PLATFORM_UNIX
}