public static void RequestFilter(IHttpRequest req, IHttpResponse res, object requestDto)
{
var validator = ValidatorCache.GetValidator(req, requestDto.GetType());
if (validator == null)
{
return;
}
var validatorWithHttpRequest = validator as IRequiresHttpRequest;
if (validatorWithHttpRequest != null)
{
validatorWithHttpRequest.HttpRequest = req;
}
var ruleSet = req.HttpMethod;
var validationResult = validator.Validate(
new ValidationContext(requestDto, null, new MultiRuleSetValidatorSelector(ruleSet)));
if (validationResult.IsValid)
{
return;
}
// mark request validation exception
res.ExecutionResult.ValidationExceptionThrown = true;
// find response type
Type responseType = string.IsNullOrEmpty(req.OperationName) ? null : EndpointHost.Config.MetadataMap[req.ServicePath].GetResponseTypeByOpName(req.OperationName);
var errorResponse = ErrorUtils.CreateValidationErrorResponse(
req, validationResult.ToException(), responseType);
var validationFeature = EndpointHost.GetPlugin <ValidationFeature>();
if (validationFeature != null && validationFeature.ErrorResponseFilter != null)
{
errorResponse = validationFeature.ErrorResponseFilter(validationResult, errorResponse);
}
res.WriteToResponse(req, errorResponse);
}