对用户进行身份验证时，ASP.NET核心web应用程序URL区分大小写

using Microsoft.AspNetCore.Http;
using System.Threading.Tasks;

public class UrlNormalizationMiddleware
{
    private readonly RequestDelegate _next;

    public UrlNormalizationMiddleware(RequestDelegate next)
    {
        _next = next;
    }

    public async Task InvokeAsync(HttpContext context)
    {
        var request = context.Request;
        var path = request.Path.Value;

        if (!string.IsNullOrEmpty(path) && path != path.ToLowerInvariant())
        {
            var normalizedPath = path.ToLowerInvariant();
            var queryString = request.QueryString.HasValue ? request.QueryString.Value : string.Empty;
            var newUrl = $"{request.Scheme}://{request.Host}{normalizedPath}{queryString}";

            context.Response.Redirect(newUrl, true);
            return;
        }

        await _next(context);
    }
}

public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }
    else
    {
        app.UseExceptionHandler("/Home/Error");
        app.UseHsts();
    }

    app.UseHttpsRedirection();
    app.UseStaticFiles();
    app.UseCookiePolicy();

    // 注册自定义中间件
    app.UseMiddleware<UrlNormalizationMiddleware>();

    app.UseRouting();

    app.UseAuthentication();
    app.UseAuthorization();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapControllerRoute(
            name: "default",
            pattern: "{controller=Home}/{action=Index}/{id?}");
    });
}