コード例 #1
0
        public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
        {
            var controller = (Controller)context.Controller;
            var method     = ((ControllerActionDescriptor)context.ActionDescriptor).MethodInfo;

            var controllerLevelAuthorize = controller.GetType().GetCustomAttribute <UserRoleMiddlewareAttribute>();
            var actionLevelAuthorize     = method.GetCustomAttribute <UserRoleMiddlewareAttribute>();

            if (controllerLevelAuthorize == null && actionLevelAuthorize == null)
            {
                await next();
            }
            else
            {
                var requestRole = controllerLevelAuthorize?.Role ?? actionLevelAuthorize.Role;

                // Try to get username/password from session
                var userInfo = _sessionUtility.GetUserInfo(context.HttpContext.Session);

                var result = await _identityLogic.Validate(userInfo.Username, userInfo.Password, userInfo.Role, requestRole);

                // Validate username/password
                if (result)
                {
                    await next();
                }
                else
                {
                    // Redirect to not-authenticated
                    context.HttpContext.Response.Redirect(_simpleAuthorizeInfo.RedirectToUponNotAuthorized);
                }
            }
        }