/// <summary>
/// UseExceptionHandlerWithProblemDetails
/// </summary>
/// <param name="app"></param>
/// <returns></returns>
private static void UseExceptionHandlerWithProblemDetails(IApplicationBuilder app, ILoggerFactory loggerFactory)
{
app.UseExceptionHandler(builder =>
{
builder.Run(async context =>
{
var exceptionHandlerFeature = context.Features.Get <IExceptionHandlerFeature>();
if (exceptionHandlerFeature != null)
{
var exception = exceptionHandlerFeature.Error;
if (loggerFactory != null)
{
var logger = loggerFactory.CreateLogger("GlobalExceptionHandler");
logger.LogError($"Unexpected error: {exception}");
}
var problemDetails = new ProblemDetailsFactory(context.Request.Path, context.TraceIdentifier).GetInternalServerError(exception);
context.Response.StatusCode = problemDetails.Status.Value;
context.Response.ContentType = Constants.CONTENT_TYPE_JSON;
var json = JsonConvert.SerializeObject(problemDetails);
await context.Response.WriteAsync(json);
}
});
});
}
/// <summary>
/// UseProblemDetailsFor405
/// </summary>
/// <param name="app"></param>
/// <returns></returns>
private static void UseProblemDetailsFor40X(IApplicationBuilder app)
{
app.Use(async(context, next) =>
{
await next();
// Verificar no futuro: https://github.com/Homely/Homely.AspNetCore.Mvc.Helpers#problemdetails-for-all-4xx5xx-http-errors
var listCustom = new List <int>()
{
(int)HttpStatusCode.MethodNotAllowed,
(int)HttpStatusCode.Unauthorized,
(int)HttpStatusCode.Forbidden,
};
if (listCustom.Contains(context.Response.StatusCode))
{
var pd = new ProblemDetails();
var pdf = new ProblemDetailsFactory(context.Request.Path, context.TraceIdentifier);
pdf.SetProblemDetails(pd, context.Response.StatusCode);
context.Response.ContentType = Constants.CONTENT_TYPE_JSON;
var json = JsonConvert.SerializeObject(pd);
await context.Response.WriteAsync(json);
}
});
}
public ModelStateBuilder <T> SetFieldError(string fieldName, ProblemDetailsFieldType errorType, string message = null, Func <ProblemDetailsFieldType, bool> addOnly = null)
{
if (addOnly == null || addOnly(errorType))
{
this._controller.ModelState.TryAddModelError(fieldName, ProblemDetailsFactory.GetComposeTypeAndErrorMessage(errorType, message));
}
return(this);
}
public void OnActionExecuting(ActionExecutingContext context)
{
if (context.Result == null && !context.ModelState.IsValid)
{
var problemDetails = new ProblemDetailsFactory
(
context.HttpContext.Request.Path,
context.HttpContext.TraceIdentifier
).GetClientError(context.ModelState, StatusCodes.Status400BadRequest);
context.Result = ModelStateInvalidExtensions.GetObjectResult(problemDetails);
}
}
public void OnResultExecuting(ResultExecutingContext context)
{
if (!(context.Result is IClientErrorActionResult clientError))
{
return;
}
// We do not have an upper bound on the allowed status code. This allows this filter to be used
// for 5xx and later status codes.
if (clientError.StatusCode < 400)
{
return;
}
var problemDetails = new ProblemDetailsFactory
(
context.HttpContext.Request.Path,
context.HttpContext.TraceIdentifier
).GetClientError(context.ModelState, clientError.StatusCode.Value);
context.Result = ModelStateInvalidExtensions.GetObjectResult(problemDetails);
}
public static IRuleBuilderOptions <T, TProperty> WithMessage <T, TProperty>(this IRuleBuilderOptions <T, TProperty> rule, ProblemDetailsFieldType type, string errorMessage)
{
rule.WithMessage(ProblemDetailsFactory.GetComposeTypeAndErrorMessage(type, errorMessage));
return(rule);
}
