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[backend/middleware] Make validation errors compliant with (Mastodon)ErrorResponse schemas

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Laura Hausmann 2024-04-09 16:29:58 +02:00
parent 08cd1f2c66
commit 5c5e724fd3
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GPG key ID: D044E84C5BE01605
2 changed files with 26 additions and 1 deletions
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24
Iceshrimp.Backend/Core/Extensions/MvcBuilderExtensions.cs
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@ -1,6 +1,9 @@
using System.Buffers;
using System.Net;
using System.Text.Encodings.Web;
using System.Text.Json;
using Iceshrimp.Backend.Controllers.Attributes;
using Iceshrimp.Backend.Core.Middleware;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Formatters;
using Microsoft.AspNetCore.Mvc.ModelBinding;
@ -55,4 +58,25 @@ public static class MvcBuilderExtensions
return builder;
}
public static IMvcBuilder AddApiBehaviorOptions(this IMvcBuilder builder)
{
builder.ConfigureApiBehaviorOptions(o =>
{
o.InvalidModelStateResponseFactory = actionContext =>
{
var details = new ValidationProblemDetails(actionContext.ModelState);
var status = (HttpStatusCode?)details.Status ?? HttpStatusCode.BadRequest;
var message = details.Title ?? "One or more validation errors occurred.";
if (details.Detail != null)
message += $" - {details.Detail}";
var errors = JsonSerializer.Serialize(details.Errors);
throw new GracefulException(status, status.ToString(), message, errors);
};
});
return builder;
}
}

3
Iceshrimp.Backend/Startup.cs
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@ -11,7 +11,8 @@ builder.Services.AddControllers()
.AddNewtonsoftJson() //TODO: remove once dotNetRdf switches to System.Text.Json (or we switch to LinkedData.NET)
.AddMultiFormatter()
.AddModelBindingProviders()
.AddValueProviderFactories();
.AddValueProviderFactories()
.AddApiBehaviorOptions();
builder.Services.AddSwaggerGenWithOptions();
builder.Services.AddLogging(logging => logging.AddCustomConsoleFormatter());