public async Task Invoke(DownstreamContext context)
{
await _next.Invoke(context);
if (context.IsError)
{
// Logger.LogWarning($"{context.Errors.ToErrorString()} errors found in {MiddlewareName}. Setting error response for request path:{context.HttpContext.Request.Path}, request method: {context.HttpContext.Request.Method}");
// SetErrorResponse(context.HttpContext, context.Errors);
var errmsg = context.Errors[0].Message;
int httpstatus = _codeMapper.Map(context.Errors);
var errResult = new ErrorResult()
{
errcode = httpstatus, errmsg = errmsg
};
var message = errResult.ToJson();
context.HttpContext.Response.StatusCode = (int)HttpStatusCode.OK;
await context.HttpContext.Response.WriteAsync(message);
return;
}
else if (context.DownstreamResponse == null)
{//添加如果管道强制终止，不做任何处理,修复未将对象实例化错误
}
else
{
Logger.LogDebug("no pipeline errors, setting and returning completed response");
await _responder.SetResponseOnHttpContext(context.HttpContext, context.DownstreamResponse);
}
}
private static void WriteErrorResponse(HttpContext context, int code, IEnumerable <string> errors)
{
var response = new ErrorResult(errors, context.TraceIdentifier);
context.Response.StatusCode = code;
context.Response.ContentType = "application/json";
context.Response.WriteAsync(response.ToJson());
}
/// <summary>
/// Action执行之前执行
/// </summary>
/// <param name="filterContext">过滤器上下文</param>
public void OnActionExecuting(ActionExecutingContext filterContext)
{
if (filterContext.HttpContext.Request.HttpMethod.ToLower() != "post")
{
ErrorResult res = new ErrorResult
{
Msg = "仅支持POST方法"
};
filterContext.Result = new ContentResult {
Content = res.ToJson(), ContentEncoding = Encoding.UTF8
};
}
}
/// <summary>
/// Invokes the next middleware of the current request hontext
/// </summary>
public async Task Invoke(HttpContext context)
{
try
{
await _next(context);
}
catch (Exception ex)
{
if (!context.Response.HasStarted)
{
int errorCode = (int)HttpStatusCode.InternalServerError;
context.Response.Clear();
context.Response.StatusCode = errorCode;
context.Response.ContentType = "application/json";
ErrorResult error = new ErrorResult(errorCode, "Unexpected internal error", ex.GetType().Name);
await context.Response.WriteAsync(error.ToJson());
}
}
}