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jellyfin/Jellyfin.Api/Middleware/QueryStringDecodingMiddlewa...

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using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
namespace Jellyfin.Api.Middleware;
/// <summary>
/// URL decodes the querystring before binding.
/// </summary>
public class QueryStringDecodingMiddleware
{
private readonly RequestDelegate _next;
/// <summary>
/// Initializes a new instance of the <see cref="QueryStringDecodingMiddleware"/> class.
/// </summary>
/// <param name="next">The next delegate in the pipeline.</param>
public QueryStringDecodingMiddleware(RequestDelegate next)
{
_next = next;
}
/// <summary>
/// Executes the middleware action.
/// </summary>
/// <param name="httpContext">The current HTTP context.</param>
/// <returns>The async task.</returns>
public async Task Invoke(HttpContext httpContext)
{
var feature = httpContext.Features.Get<IQueryFeature>();
if (feature is not null)
{
httpContext.Features.Set<IQueryFeature>(new UrlDecodeQueryFeature(feature));
}
await _next(httpContext).ConfigureAwait(false);
}
}