/// <summary>
/// 设置验证失败结果
/// </summary>
/// <param name="context">动作方法执行上下文</param>
/// <param name="modelState">模型验证状态</param>
/// <param name="actionDescriptor"></param>
/// <param name="isMvcController"></param>
private static void SetValidateFailedResult(ActionExecutingContext context, ModelStateDictionary modelState, ControllerActionDescriptor actionDescriptor, bool isMvcController)
{
// 解析验证消息
var(validationResults, validateFaildMessage, _) = ValidatorContext.OutputValidationInfo(modelState);
// 判断是否跳过规范化结果
if (isMvcController || UnifyContext.IsSkipUnifyHandler(actionDescriptor.MethodInfo, out var unifyResult))
{
// 返回 400 错误
var result = new BadRequestObjectResult(modelState);
// 设置返回的响应类型
result.ContentTypes.Add(MediaTypeNames.Application.Json);
result.ContentTypes.Add(MediaTypeNames.Application.Xml);
context.Result = result;
}
else
{
context.Result = unifyResult.OnValidateFailed(context, modelState, validationResults, validateFaildMessage);
}
// 打印验证失败信息
if (!isMvcController)
{
App.PrintToMiniProfiler(MiniProfilerCategory, "Failed", $"Validation Failed:\r\n{validateFaildMessage}", true);
}
}
/// <summary>
/// 动作方法执行之前操作
/// </summary>
/// <param name="context"></param>
public void OnActionExecuting(ActionExecutingContext context)
{
// 获取控制器/方法信息
var actionDescriptor = context.ActionDescriptor as ControllerActionDescriptor;
// 跳过验证类型
var nonValidationAttributeType = typeof(NonValidationAttribute);
var method = actionDescriptor.MethodInfo;
// 如果参数为 0或贴了 [NonValidation] 特性 或所在类型贴了 [NonValidation] 特性，则跳过验证
if (actionDescriptor.Parameters.Count == 0 ||
method.IsDefined(nonValidationAttributeType, true) ||
method.DeclaringType.IsDefined(nonValidationAttributeType, true))
{
return;
}
// 获取验证状态
var modelState = context.ModelState;
// 判断是否验证成功
if (modelState.IsValid)
{
return;
}
// 如果其他过滤器已经设置了结果，那么跳过
if (context.Result != null)
{
return;
}
// 解析验证消息
var validationMetadata = ValidatorContext.GetValidationMetadata(modelState);
// 判断是否跳过规范化结果，如果跳过，返回 400 BadRequestResult
if (UnifyContext.CheckFailedNonUnify(actionDescriptor.MethodInfo, out var unifyResult))
{
context.Result = new BadRequestResult();
}
else
{
// 判断是否支持 MVC 规范化处理
if (!UnifyContext.CheckSupportMvcController(context.HttpContext, actionDescriptor, out _))
{
return;
}
context.Result = unifyResult.OnValidateFailed(context, validationMetadata);
}
// 打印验证失败信息
App.PrintToMiniProfiler("validation", "Failed", $"Validation Failed:\r\n{validationMetadata.Message}", true);
}