// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.AddSingleton <IHttpContextAccessor, HttpContextAccessor>();
var openApiDoc = OpenApiDocumentReaderHelper.GetOpenApiDocument(_environment.WebRootPath);
var ruleEngineBuilder = new OpenApiValidatorBuilder(new ValidatorContext());
var ruleEngineRequestValidators = new SortedDictionary <string, OpenApiHttpRequestValidator>();
ruleEngineBuilder.Build(openApiDoc).Cast <OpenApiHttpRequestValidator>().ToList().ForEach(e => ruleEngineRequestValidators.Add(e.Key, e));
var dummyValidator = new OpenApiHttpRequestValidator();
services.AddTransient <OpenApiHttpRequestValidator, OpenApiHttpRequestValidator>((provider) =>
{
var request = provider.GetRequiredService <IHttpContextAccessor>().HttpContext.Request;
var requestValidator = ruleEngineRequestValidators.FirstOrDefault(e => e.Key.ToLower() == $"{request.Path}{request.Method}".ToLower().Replace("/", "")); // request.Method);
if (requestValidator.Key != null)
{
return((OpenApiHttpRequestValidator)requestValidator.Value.Clone());
}
return(dummyValidator);
});
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
}
public async Task Invoke(HttpContext httpContext, OpenApiHttpRequestValidator _httpRequestValidator)
{
if (_httpRequestValidator.UrlPath == null)
{
await _next(httpContext);
}
else
{
var logs = _httpRequestValidator.Validate(httpContext);
if (logs.Count == 0)
{
await _next(httpContext);
}
else
{
httpContext.Response.ContentType = "application/json";
var response = new ApiResponse(httpContext.Response.StatusCode, logs);
var json = JsonConvert.SerializeObject(response);
await httpContext.Response.WriteAsync(json);
}
}
}
