file-folder-helper/Day/2024-Q3/Helper-2024-07-28.cs

using Microsoft.Extensions.Logging;
using System.Diagnostics;

namespace File_Folder_Helper.Day;

internal static partial class Helper20240728
{

    internal static void DownloadSslCertificates(ILogger<Worker> logger, List<string> args)
    {
        string file;
        Process? process;
        string[] segments;
        string standardError;
        string standardOutput;
        string argumentSegment;
        string store = args[9];
        string domain = args[2];
        List<string> lines = [];
        string logSegment = args[8];
        string endCertificate = args[7];
        string beginCertificate = args[6];
        int waitForExit = int.Parse(args[5]);
        string[] subdomains = args[3].Split(',');
        string sourceDirectory = Path.GetFullPath(args[0]);
        ProcessStartInfo processStartInfo = new()
        {
            CreateNoWindow = true,
            RedirectStandardError = true,
            RedirectStandardOutput = true,
            UseShellExecute = false,
            FileName = args[4],
            WorkingDirectory = sourceDirectory
        };
        foreach (string subdomain in subdomains)
        {
            argumentSegment = $"{subdomain}.{domain}:443 -servername {subdomain}.{domain}";
            processStartInfo.Arguments = $"s_client -connect {subdomain}.{domain}:443 -servername {subdomain}.{domain}";
            process = Process.Start(processStartInfo);
            if (process is null)
                continue;
            _ = process.WaitForExit(waitForExit);
            process.Kill(entireProcessTree: true);
            standardOutput = process.StandardOutput.ReadToEnd();
            if (!standardOutput.Contains(beginCertificate) || !standardOutput.Contains(endCertificate))
            {
                standardError = process.StandardError.ReadToEnd();
                logger.LogWarning($"Error: {subdomain}{Environment.NewLine}{standardOutput}{Environment.NewLine}{standardError}");
                continue;
            }
            segments = standardOutput.Split(beginCertificate);
            if (segments.Length != 2)
                break;
            segments = segments[1].Split(endCertificate);
            if (segments.Length != 2)
                break;
            lines.Add($"{logSegment} \"{store}\" {subdomain}.{domain}.cert");
            file = Path.Combine(sourceDirectory, $"{subdomain}.{domain}.cert");
            File.WriteAllText(file, $"{beginCertificate}{segments[0]}{endCertificate}{Environment.NewLine}");
        }
        File.WriteAllLines(Path.Combine(sourceDirectory, $"{DateTime.Now.Ticks}.txt"), lines);
    }

}