public static async Task WriteErrorToResponse(this IResponse httpRes, IRequest httpReq,
string contentType, string operationName, string errorMessage, Exception ex, int statusCode)
{
if (ex == null)
{
ex = new Exception(errorMessage);
}
var errorDto = ex.ToErrorResponse();
httpRes.Dto = errorDto;
HostContext.AppHost.OnExceptionTypeFilter(ex, errorDto.ResponseStatus);
if (await HandleCustomErrorHandler(httpRes, httpReq, contentType, statusCode, errorDto, ex))
{
return;
}
if (!httpRes.HasStarted)
{
if ((httpRes.ContentType == null || httpRes.ContentType == MimeTypes.Html) &&
contentType != null && contentType != httpRes.ContentType)
{
httpRes.ContentType = contentType;
}
if (HostContext.Config.AppendUtf8CharsetOnContentTypes.Contains(contentType))
{
httpRes.ContentType += ContentFormat.Utf8Suffix;
}
var hold = httpRes.StatusDescription;
var hasDefaultStatusDescription = hold == null || hold == "OK";
httpRes.StatusCode = statusCode;
httpRes.StatusDescription = hasDefaultStatusDescription
? (errorMessage ?? HttpStatus.GetStatusDescription(statusCode))
: hold;
httpRes.ApplyGlobalResponseHeaders();
}
var serializer = HostContext.ContentTypes.GetStreamSerializerAsync(contentType ?? httpRes.ContentType);
if (serializer != null)
{
await serializer(httpReq, errorDto, httpRes.OutputStream);
}
httpRes.EndHttpHandlerRequest(skipHeaders: true);
}
public static Task WriteErrorToResponse(this IResponse httpRes, IRequest httpReq,
string contentType, string operationName, string errorMessage, Exception ex, int statusCode)
{
if (ex == null)
{
ex = new Exception(errorMessage);
}
var errorDto = ex.ToErrorResponse();
HostContext.AppHost.OnExceptionTypeFilter(ex, errorDto.ResponseStatus);
if (HandleCustomErrorHandler(httpRes, httpReq, contentType, statusCode, errorDto))
{
return(TypeConstants.EmptyTask);
}
if ((httpRes.ContentType == null || httpRes.ContentType == MimeTypes.Html) &&
contentType != null && contentType != httpRes.ContentType)
{
httpRes.ContentType = contentType;
}
if (HostContext.Config.AppendUtf8CharsetOnContentTypes.Contains(contentType))
{
httpRes.ContentType += ContentFormat.Utf8Suffix;
}
var hold = httpRes.StatusDescription;
var hasDefaultStatusDescription = hold == null || hold == "OK";
httpRes.StatusCode = statusCode;
httpRes.StatusDescription = hasDefaultStatusDescription
? (errorMessage ?? HttpStatus.GetStatusDescription(statusCode))
: hold;
var serializer = HostContext.ContentTypes.GetResponseSerializer(contentType);
serializer?.Invoke(httpReq, errorDto, httpRes);
httpRes.EndHttpHandlerRequest(skipHeaders: true);
return(TypeConstants.EmptyTask);
}
protected async Task WriteResponseHeadersAsync(IResponse httpRes, CallContext context)
{
var res = (GrpcResponse)httpRes;
var nonSuccessStatus = res.StatusCode >= 300;
if (!Feature.DisableResponseHeaders || nonSuccessStatus)
{
foreach (var header in Feature.IgnoreResponseHeaders)
{
res.Headers.Remove(header);
}
if (res.Headers.Count > 0 || nonSuccessStatus)
{
var headers = new global::Grpc.Core.Metadata();
if (nonSuccessStatus)
{
headers.Add(Keywords.HttpStatus, res.StatusCode.ToString());
}
foreach (var entry in res.Headers)
{
headers.Add(entry.Key, entry.Value);
}
if (nonSuccessStatus)
{
var status = res.Dto.GetResponseStatus();
if (status != null)
{
headers.Add(Keywords.GrpcResponseStatus,
GrpcMarshaller <ResponseStatus> .Instance.Serializer(status));
}
var desc = status?.ErrorCode ?? res.StatusDescription ??
status?.Message ?? HttpStatus.GetStatusDescription(res.StatusCode);
context.ServerCallContext.Status = feature.ToGrpcStatus?.Invoke(httpRes) ?? ToGrpcStatus(res.StatusCode, desc);
}
await context.ServerCallContext.WriteResponseHeadersAsync(headers);
}
}
}
public static async Task WriteErrorToResponse(this IResponse httpRes, IRequest httpReq,
string contentType, string operationName, string errorMessage, Exception ex, int statusCode)
{
if (ex == null)
{
ex = new Exception(errorMessage);
}
httpRes.Dto = HostContext.AppHost.CreateErrorResponse(ex, request: httpReq?.Dto);
if (await HandleCustomErrorHandler(httpRes, httpReq, contentType, statusCode, httpRes.Dto, ex))
{
return;
}
var hostConfig = HostContext.Config;
if (!httpRes.HasStarted)
{
if ((httpRes.ContentType == null || httpRes.ContentType == MimeTypes.Html) &&
contentType != null && contentType != httpRes.ContentType)
{
httpRes.ContentType = contentType;
}
if (hostConfig.AppendUtf8CharsetOnContentTypes.Contains(contentType))
{
httpRes.ContentType += ContentFormat.Utf8Suffix;
}
var hold = httpRes.StatusDescription;
var hasDefaultStatusDescription = hold is null or "OK";
httpRes.StatusCode = statusCode;
httpRes.StatusDescription = hasDefaultStatusDescription
? (errorMessage ?? HttpStatus.GetStatusDescription(statusCode))
: hold;
httpRes.ApplyGlobalResponseHeaders();
}
var callback = httpReq.GetJsonpCallback();
var doJsonp = hostConfig.AllowJsonpRequests && !string.IsNullOrEmpty(callback);
if (doJsonp)
{
httpRes.StatusCode = 200;
await httpRes.OutputStream.WriteAsync(DataCache.CreateJsonpPrefix(callback));
}
var serializer = HostContext.ContentTypes.GetStreamSerializerAsync(contentType ?? httpRes.ContentType);
if (serializer != null)
{
var jsconfig = hostConfig.AllowJsConfig ? httpReq?.QueryString[Keywords.JsConfig] : null;
using (jsconfig != null ? JsConfig.CreateScope(jsconfig) : null)
{
await serializer(httpReq, httpRes.Dto, httpRes.OutputStream);
}
}
if (doJsonp)
{
await httpRes.OutputStream.WriteAsync(DataCache.JsonpSuffix);
}
httpRes.EndHttpHandlerRequest(skipHeaders: true);
}
