MireaBackend/Endpoint/Middleware/MaintenanceModeMiddleware.cs

39 lines
1.5 KiB
C#

using Microsoft.AspNetCore.Http;
using Mirea.Api.Endpoint.Common.Attributes;
using Mirea.Api.Endpoint.Common.Interfaces;
using System.Threading.Tasks;
namespace Mirea.Api.Endpoint.Middleware;
public class MaintenanceModeMiddleware(RequestDelegate next, IMaintenanceModeService maintenanceModeService, IMaintenanceModeNotConfigureService maintenanceModeNotConfigureService)
{
private static bool IsIgnoreMaintenanceMode(HttpContext context)
{
var endpoint = context.GetEndpoint();
return endpoint?.Metadata.GetMetadata<MaintenanceModeIgnoreAttribute>() != null;
}
public async Task InvokeAsync(HttpContext context)
{
if (!maintenanceModeService.IsMaintenanceMode && !maintenanceModeNotConfigureService.IsMaintenanceMode || IsIgnoreMaintenanceMode(context))
await next(context);
else
{
context.Response.StatusCode = StatusCodes.Status503ServiceUnavailable;
context.Response.ContentType = "plain/text";
string error;
if (maintenanceModeService.IsMaintenanceMode)
{
context.Response.Headers.RetryAfter = "600";
error = "The service is currently undergoing maintenance. Please try again later.";
}
else
error =
"The service is currently not configured. Go to the setup page if you are an administrator or try again later.";
await context.Response.WriteAsync(error);
}
}
}