public override void Handle(ExceptionHandlerContext context)
{
base.Handle(context);
if (context.Exception is FException)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.失败,
Message = context.Exception.Message
};
context.Result = new ResponseMessageResult(context.Request.CreateResponse(HttpStatusCode.InternalServerError, result));
}
else
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.异常,
Message = "服务器繁忙，请稍候再试"
};
context.Result = new ResponseMessageResult(context.Request.CreateResponse(HttpStatusCode.InternalServerError, result));
}
}
public void OnException(ExceptionContext executedContext)
{
executedContext.ExceptionHandled = true;
bool isAjaxRequest = executedContext.HttpContext.Request.IsAjaxRequest();
if (isAjaxRequest && executedContext.HttpContext.Request.Query["NeedLayout"] == "false")
{
//如果是不需要母版页的ajax请求获取页面Html内容，不做处理，让ajax的error function()来处理
return;
}
SysApiResult <string> result;
if (executedContext.Exception is FException)
{
result = new SysApiResult <string>()
{
Status = SysApiStatus.失败, Message = executedContext.Exception.Message
};
}
else if (executedContext.Exception is AntiforgeryValidationException)
{
result = new SysApiResult <string>()
{
Status = SysApiStatus.拦截, Message = "服务器繁忙，请重新登陆。"
};
}
else
{
logger.Error(executedContext.Exception, "全局异常捕获");
result = new SysApiResult <string>()
{
Status = SysApiStatus.异常, Message = "服务器繁忙，请稍候再试"
};
}
if (isAjaxRequest)
{
executedContext.Result = new JsonNetResult(value: result);
}
else
{
string errorRedirect = _configuration?["appSettings:ErrorRedirect"];
if (!string.IsNullOrWhiteSpace(errorRedirect))
{
if (executedContext.Exception is FException)
{
errorRedirect = $"{errorRedirect}?message={executedContext.Exception.Message}";
}
executedContext.Result = new RedirectResult(errorRedirect);
}
else
{
executedContext.Result = new JsonNetResult(value: result);
}
}
}
public override void OnActionExecuting(ActionExecutingContext actionContext)
{
base.OnActionExecuting(actionContext);
if (actionContext.ActionParameters.Count > 0)
{
var model = actionContext.ActionParameters.First().Value;
if (model == null)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "请求参数不能为空！"
};
actionContext.Result = new JsonNetResult {
Data = result
};
return;
}
}
var currController = actionContext.Controller as BaseController;
if (currController?.ModelState?.IsValid == false)
{
ModelError firstError = new ModelError("未知错误");
for (int i = 0; i < currController.ModelState.Keys.Count; i++)
{
var errorList = currController.ModelState.Values.ElementAt(i).Errors;
if (errorList == null || errorList.Count <= 0)
{
continue;
}
firstError = errorList.First();
break;
}
string errorMsg = string.IsNullOrWhiteSpace(firstError.ErrorMessage) ?
firstError.Exception?.Message ?? "" :
firstError.ErrorMessage;
var result = new SysApiResult <string>()
{
Status = SysApiStatus.异常, Message = errorMsg
};
actionContext.Result = new JsonNetResult {
Data = result
};
return;
}
}
/// <summary>
/// 在操作执行之前、模型绑定完成后调用。
/// </summary>
public void OnActionExecuting(ActionExecutingContext actionContext)
{
if (actionContext.ActionArguments.Count > 0)
{
var model = actionContext.ActionArguments.First().Value;
if (model == null)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "请求参数不能为空！"
};
actionContext.Result = new JsonNetResult(value: result);
return;
}
}
if (!actionContext.ModelState.IsValid)
{
ModelError firstError = new ModelError("未知错误");
for (int i = 0; i < actionContext.ModelState.Keys.Count(); i++)
{
var errorList = actionContext.ModelState.Values.ElementAt(i).Errors;
if (errorList == null || errorList.Count <= 0)
{
continue;
}
firstError = errorList.First();
break;
}
string errorMsg = string.IsNullOrWhiteSpace(firstError.ErrorMessage) ?
firstError.Exception?.Message ?? "" :
firstError.ErrorMessage;
var result = new SysApiResult <string>()
{
Status = SysApiStatus.异常, Message = errorMsg
};
actionContext.Result = new JsonNetResult(value: result);
return;
}
}
protected virtual IUser GetUser(HttpActionContext actionContext)
{
var accessToken = string.Empty;
if (!actionContext.Request.TryGetToken(_accessTokenKey, out accessToken))
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "您的登陆身份已过期，请重新登陆"
};
actionContext.Response = actionContext.Request.CreateResponse(result);
return(null);
}
UserModel userModel = GetUserModelForCache(accessToken);
//从数据库获取客户信息
if (userModel == null)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "您的登陆身份已过期，请重新登陆"
};
actionContext.Response = actionContext.Request.CreateResponse(result);
return(null);
}
//时间过期
if (userModel.TokenExpireTime <= DateTime.Now)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.过期, Message = "token已过期，请重新登陆"
};
actionContext.Response = actionContext.Request.CreateResponse(result);
return(null);
}
return(userModel);
}
/// <summary>
/// 重新跳到登陆页面
/// </summary>
private void RegirectToLoginUrl(AuthorizationFilterContext filterContext)
{
if (filterContext.HttpContext.Request.IsAjaxRequest())
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "您的登陆身份已过期，请重新登陆"
};
filterContext.Result = new JsonNetResult(value: result);
return;
}
string loginUrl = _configuration?["appSettings:LoginPath"] ?? "/";
filterContext.Result = new RedirectResult(loginUrl);
}
/// <summary>
/// 重新跳到登陆页面
/// </summary>
protected virtual void RegirectToLoginUrl(AuthorizationContext filterContext)
{
if (filterContext.HttpContext.Request.IsAjaxRequest())
{
var result = new SysApiResult<string>() { Status = SysApiStatus.未授权, Message = "您的登陆身份已过期，请重新登陆" };
if (filterContext.HttpContext.Request.HttpMethod.ToLower() == "get")
{
filterContext.Result = new JsonResult { Data = result, JsonRequestBehavior = JsonRequestBehavior.AllowGet };
}
else
{
filterContext.Result = new JsonResult { Data = result };
}
return;
}
filterContext.Result = new RedirectResult(FormsAuthentication.LoginUrl);
}
public void OnAuthorization(AuthorizationFilterContext filterContext)
{
if (filterContext == null)
{
throw new ArgumentNullException("filterContext");
}
if (!filterContext.HttpContext.Request.TryGetHeader(_userTokenKey, out string accessToken))
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "您的登陆身份已过期，请重新登陆"
};
filterContext.Result = new JsonNetResult(value: result);
return;
}
var tokenModel = _tokenSvc.DecodeToken(accessToken);
//从数据库获取客户信息
if (tokenModel == null)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "您的身份未授权"
};
filterContext.Result = new JsonNetResult(value: result);
return;
}
//时间过期
if (tokenModel.TokenExpireTime <= DateTime.Now)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = "token已过期，请重新登陆"
};
filterContext.Result = new JsonNetResult(value: result);
return;
}
if (!filterContext.HttpContext.Request.TryGetHeader("DeviceType", out string deviceTypeStr) ||
!Enum.TryParse(deviceTypeStr, out DeviceType deviceType))
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.异常, Message = "缺失DeviceType"
};
filterContext.Result = new JsonNetResult(value: result);
return;
}
bool isOk = _tokenSvc.检查用户登陆是否合法(tokenModel.UserId, deviceType, accessToken, isAdmin: false, isSingleLogin: true, out string errorMsg);
if (!isOk)
{
var result = new SysApiResult <string>()
{
Status = SysApiStatus.未授权, Message = errorMsg
};
filterContext.Result = new JsonNetResult(value: result);
return;
}
}
public void OnException(ExceptionContext actionExecutedContext)
{
actionExecutedContext.ExceptionHandled = true;
bool isAjaxRequest = actionExecutedContext.HttpContext.Request.IsAjaxRequest();
if (isAjaxRequest && actionExecutedContext.HttpContext.Request.QueryString["NeedLayout"] == "false")
{
//如果是不需要母版页的ajax请求获取页面Html内容，不做处理，让ajax的error function()来处理
return;
}
SysApiResult <string> result;
if (actionExecutedContext.Exception is FException)
{
result = new SysApiResult <string>()
{
Status = SysApiStatus.失败, Message = actionExecutedContext.Exception.Message
};
}
else if (actionExecutedContext.Exception is HttpAntiForgeryException)
{
result = new SysApiResult <string>()
{
Status = SysApiStatus.防伪过期, Message = "服务器繁忙，请重新登陆。"
};
}
else
{
logger.Error(actionExecutedContext.Exception, "全局异常捕获");
result = new SysApiResult <string>()
{
Status = SysApiStatus.异常, Message = "服务器繁忙，请稍候再试"
};
}
if (isAjaxRequest)
{
if (actionExecutedContext.HttpContext.Request.HttpMethod.ToLower() == "get")
{
actionExecutedContext.Result = new JsonNetResult {
Data = result, JsonRequestBehavior = JsonRequestBehavior.AllowGet
};
}
else
{
actionExecutedContext.Result = new JsonNetResult {
Data = result
};
}
}
else
{
if (!string.IsNullOrWhiteSpace(_errorRedirect))
{
if (actionExecutedContext.Exception is FException)
{
_errorRedirect = $"{_errorRedirect}?message={actionExecutedContext.Exception.Message}";
}
actionExecutedContext.Result = new RedirectResult(_errorRedirect);
}
else
{
actionExecutedContext.Result = new JsonNetResult {
Data = result
};
}
}
}
