// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
using Microsoft.Extensions.Primitives;
 
namespace Microsoft.AspNetCore.Server.Kestrel.Core;
 
/// <summary>
/// An exception thrown when a malformed http request has been received.
/// </summary>
[Obsolete("Moved to Microsoft.AspNetCore.Http.BadHttpRequestException. See https://aka.ms/badhttprequestexception for details.")] // Never remove.
public sealed class BadHttpRequestException : Microsoft.AspNetCore.Http.BadHttpRequestException
{
    internal BadHttpRequestException(string message, int statusCode, RequestRejectionReason reason)
        : this(message, statusCode, reason, null)
    { }
 
    internal BadHttpRequestException(string message, int statusCode, RequestRejectionReason reason, HttpMethod? requiredMethod)
        : base(message, statusCode)
    {
        Reason = reason;
 
        if (requiredMethod.HasValue)
        {
            AllowedHeader = HttpUtilities.MethodToString(requiredMethod.Value);
        }
    }
 
    /// <summary>
    /// Gets the HTTP status code for this exception.
    /// </summary>
    public new int StatusCode { get => base.StatusCode; }
 
    internal StringValues AllowedHeader { get; }
 
    internal RequestRejectionReason Reason { get; }
}