Opc.Ua.Configuration.ManageAccessRulesDlg.GetAccountAccessRights C# (CSharp) Method

        private void GetAccountAccessRights(
            string path,
            SecuredObject objectToSecure,
            Dictionary<string, SecuredObjectAccessRights> read,
            Dictionary<string, SecuredObjectAccessRights> write,
            Dictionary<string, SecuredObjectAccessRights> configure)
        {
            AuthorizationRuleCollection authorizationRules = null;

            // determine if a file or directory.
            FileInfo fileInfo = new FileInfo(path);

            if (fileInfo.Exists)
            {
                FileSystemSecurity security = fileInfo.GetAccessControl(AccessControlSections.Access);
                authorizationRules = security.GetAccessRules(true, true, typeof(NTAccount));
            }
            else
            {
                DirectoryInfo directoryInfo = new DirectoryInfo(path);

                if (directoryInfo.Exists)
                {
                    FileSystemSecurity security = directoryInfo.GetAccessControl(AccessControlSections.Access);
                    authorizationRules = security.GetAccessRules(true, true, typeof(NTAccount));
                }
            }

            // check if no rules to add.
            if (authorizationRules == null || authorizationRules.Count == 0)
            {
                return;
            }

            // process the access rules.
            for (int ii = 0; ii < authorizationRules.Count; ii++)
            {
                // check for file system rule.
                FileSystemAccessRule accessRule = authorizationRules[ii] as FileSystemAccessRule;

                if (accessRule == null)
                {
                    continue;
                }

                // check the type of rule.
                bool denied = (accessRule.AccessControlType == System.Security.AccessControl.AccessControlType.Deny);

                // check for right to take ownership.
                if (!denied)
                {
                    if ((FileSystemRights.TakeOwnership & accessRule.FileSystemRights) != 0)
                    {
                        UpdateAccessRightSet(objectToSecure, accessRule.IdentityReference, denied, configure);
                    }
                }

                // check if the rule affects configuration rights.
                if ((FileSystemRights.ChangePermissions & accessRule.FileSystemRights) != 0)
                {
                    UpdateAccessRightSet(objectToSecure, accessRule.IdentityReference, denied, configure);
                }

                // check if the rule affects write rights.
                if ((FileSystemRights.WriteData & accessRule.FileSystemRights) != 0)
                {
                    UpdateAccessRightSet(objectToSecure, accessRule.IdentityReference, denied, write);
                }

                // check if the rule affects read rights.
                if ((FileSystemRights.ReadData & accessRule.FileSystemRights) != 0)
                {
                    UpdateAccessRightSet(objectToSecure, accessRule.IdentityReference, denied, read);
                }

                // check if the rule affects read rights.
                if (objectToSecure == SecuredObject.ExecutableFile)
                {
                    if ((FileSystemRights.ExecuteFile & accessRule.FileSystemRights) != 0)
                    {
                        UpdateAccessRightSet(objectToSecure, accessRule.IdentityReference, denied, read);
                    }
                }
                else
                {
                    if ((FileSystemRights.ReadData & accessRule.FileSystemRights) != 0)
                    {
                        UpdateAccessRightSet(objectToSecure, accessRule.IdentityReference, denied, read);
                    }
                }
            }
        }