src/MdToDocx.Server/Services/FileValidator.cs - develop - iRumba/MdToDocx

src/MdToDocx.Server/Services/FileValidator.cs

54 строки2 KB

iRumba

refactor: restructure project to src/ modules, remove .opencode/

25 май 2026, 07:05

25 май 2026, 07:05c692142

namespace MdToDocx.Server.Services;

public class FileValidator : IFileValidator
{
    private const int MaxMdFileSize = 10 * 1024 * 1024; // 10 MB
    private const int MaxDotxFileSize = 5 * 1024 * 1024; // 5 MB

    private static readonly string[] AllowedMdExtensions = { ".md", ".markdown" };
    private static readonly string[] AllowedDotxExtensions = { ".dotx" };

    public (bool IsValid, string? Error) ValidateMdFile(IFormFile file)
    {
        if (file.Length == 0)
            return (false, "File is empty.");

        if (file.Length > MaxMdFileSize)
            return (false, $"File exceeds maximum size of 10 MB.");

        var ext = Path.GetExtension(file.FileName).ToLowerInvariant();
        if (!AllowedMdExtensions.Contains(ext))
            return (false, "File must have .md or .markdown extension.");

        return (true, null);
    }

    public (bool IsValid, string? Error) ValidateDotxFile(IFormFile file)
    {
        if (file.Length == 0)
            return (false, "Template file is empty.");

        if (file.Length > MaxDotxFileSize)
            return (false, $"Template file exceeds maximum size of 5 MB.");

        var ext = Path.GetExtension(file.FileName).ToLowerInvariant();
        if (!AllowedDotxExtensions.Contains(ext))
            return (false, "Template file must have .dotx extension.");

        return (true, null);
    }

    public (bool IsValid, string? Error) ValidateUrl(string url)
    {
        if (string.IsNullOrWhiteSpace(url))
            return (false, "URL is empty.");

        if (!Uri.TryCreate(url, UriKind.Absolute, out var uri))
            return (false, "URL is not valid.");

        if (uri.Scheme != "http" && uri.Scheme != "https")
            return (false, "URL must use HTTP or HTTPS scheme.");

        return (true, null);
    }
}