internal sealed class PermissionAuthorizationHandler 
    : AuthorizationHandler<PermissionRequirement>
{
    protected override Task HandleRequirementAsync(
        AuthorizationHandlerContext context,
        PermissionRequirement requirement)
    {
        HashSet<string> permissions = context.User.GetPermissions();

        if (permissions.Contains(requirement.Permission))
        {
            context.Succeed(requirement);
        }
        return Task.CompletedTask;
    }

var template = File.ReadAllText("Templates/InvoiceTemplate.html");
var compiled = Handlebars.Compile(template);
string html = compiled(data);

// Скачать Chromium
var fetcher = new BrowserFetcher();
await fetcher.DownloadAsync();

// Рендер в PDF
using var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });
using var page = await browser.NewPageAsync();
await page.SetContentAsync(html);
byte[] pdf = await page.PdfDataAsync(new PdfOptions {
    Format = PaperFormat.A4,
    PrintBackground = true,
    MarginOptions = new MarginOptions { Top = "50px", Right = "20px", Bottom = "50px", Left = "20px" }
});

grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}' access.log

grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}' access.log | sort -u