public async Task Invoke(HttpContext context)
{
Exception error;
try
{
// 需要在此初始化，否则中间件依次退出后此值为空，下方异常无法捕获APP信息
AppWebInfoHelper.InitialDefaultAppIdentity(context);
await _next.Invoke(context);
if (context.Response.StatusCode == (int)HttpStatusCode.NotFound)
{
await ResponseEnd(context, new Resp(RespTypes.ObjectNull, "当前请求资源不存在！"));
}
return;
}
catch (Exception ex)
{
error = ex;
}
var code = LogHelper.Error(string.Concat("请求地址:", context.Request.Path, "错误信息：", error.Message, "详细信息：", error.StackTrace),
nameof(ExceptionMiddleware));
#if DEBUG
if (error != null)
{
throw error;
}
#endif
await ResponseEnd(context, new Resp(RespTypes.InnerError, string.Concat("服务暂时不可用！详情错误码：", code)));
}
private ActionResult GetRespResult(HttpContext context, Resp res)
{
// 服务类接口直接返回
if (!p_IsWebSite)
{
return(new JsonResult(res));
}
var req = context.Request;
var isAjax = req.IsApiAjax();
if (isAjax)
{
res.msg = AppWebInfoHelper.GetRedirectUrl(context, res, true);
return(new JsonResult(res));
}
if (AppWebInfoHelper.CheckWebUnRedirectUrl(req.Path))
{
return(null);
}
var redirectUrl = AppWebInfoHelper.GetRedirectUrl(context, res, false);
return(new RedirectResult(redirectUrl));
}
protected async Task ResponseEnd(HttpContext context, Resp res)
{
if (!p_IsWebSite)
{
await ClearCacheHeaders(context.Response, res);
return;
}
if (context.Request.IsApiAjax())
{
res.msg = AppWebInfoHelper.GetRedirectUrl(context, res, true);
await ClearCacheHeaders(context.Response, res);
return;
}
if (AppWebInfoHelper.CheckWebUnRedirectUrl(context.Request.Path.ToString()))
{
if (_next != null)
{
await _next.Invoke(context);
}
return;
}
var redirectUrl = AppWebInfoHelper.GetRedirectUrl(context, res, false);
context.Response.Redirect(redirectUrl);
}
public void OnAuthorization(AuthorizationFilterContext context)
{
var appInfo = AppReqContext.Identity;
if (appInfo == null)
{
AppWebInfoHelper.InitialDefaultAppIdentity(context.HttpContext);
}
}
public override Task OnAuthorizationAsync(AuthorizationFilterContext context)
{
var sysInfo = AppWebInfoHelper.GetOrSetAppIdentity(context.HttpContext);
sysInfo.app_id = _appId;
sysInfo.app_ver = _appVer;
return(Task.CompletedTask);
}
/// <summary>
/// 异常响应处理
/// </summary>
/// <param name="context"></param>
/// <param name="res"></param>
/// <param name="mode"></param>
/// <returns></returns>
private static async Task ExceptionResponse(HttpContext context, Resp res, AppSourceMode mode)
{
if (mode == AppSourceMode.Browser &&
!AppWebInfoHelper.CheckIf404OrErrorUrl(context.Request.Path.ToString()))
{
var errUrl = res.IsRespType(RespTypes.ObjectNull) ? AppWebInfoHelper.NotFoundUrl : AppWebInfoHelper.ErrorUrl;
if (!string.IsNullOrEmpty(errUrl))
{
string url = string.Concat(errUrl, "?ret=", res.ret, "&msg=", errUrl.UrlEncode());
context.Response.Redirect(url);
return;
}
}
await ResponseJsonError(context.Response, res);
}
public override Task OnAuthorizationAsync(AuthorizationFilterContext context)
{
if (string.IsNullOrEmpty(_moduleName))
{
throw new NullReferenceException("请在当前Controller或父类中使用ModuleNameAttribute标注模块名称！");
}
var appInfo = AppWebInfoHelper.InitialDefaultAppIdentity(context.HttpContext);
if (appInfo.app_type > _appType)
{
ResponseEnd(context, new Resp(RespTypes.NoPermission, "当前应用类型，无此接口权限！"));
return(Task.CompletedTask);
}
appInfo.module_name = _moduleName;
return(Task.CompletedTask);
}
/// <summary>
/// 处理方法
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override async Task Invoke(HttpContext context)
{
Exception error;
Resp errorResp = null;
AppSourceMode mode = AppSourceMode.BrowserWithHeader;
try
{
// 需要在此初始化，否则中间件依次退出后此值为空，下方异常无法捕获APP信息
var appInfo = AppWebInfoHelper.GetOrSetAppIdentity(context);
mode = appInfo.SourceMode;
await _next.Invoke(context);
if (context.Response.StatusCode == (int)HttpStatusCode.NotFound)
{
await ExceptionResponse(context, new Resp(RespTypes.ObjectNull, "当前请求资源不存在！"), mode);
}
return;
}
catch (RespException resEx)
{
errorResp = new Resp().WithException(resEx);
error = resEx;
}
catch (Exception ex)
{
error = ex;
}
var code = LogHelper.Error(string.Concat("请求地址:", context.Request.Path, "错误信息：", error.Message, "详细信息：", error.StackTrace),
nameof(ExceptionMiddleware));
#if DEBUG
if (error != null)
{
throw error;
}
#endif
var res = errorResp ?? new Resp(RespTypes.InnerError, string.Concat("服务暂时不可用！详情错误码：", code));
await ExceptionResponse(context, res, mode);
}
public override Task Invoke(HttpContext context)
{
// 防止忘记，独立初始化处理
AppWebInfoHelper.GetOrSetAppIdentity(context);
return(_next.Invoke(context));
}
