استخراج ملفات FileGDB من أرشيفات ZIP في C#

PM> Install-Package Aspose.Zip

using Aspose.Zip;
using System;
using System.IO;

string archivePath = Path.GetFullPath("geodata.zip");
string outputDirectory = Path.GetFullPath("extracted-filegdb");
const ulong MaxEntrySize = 100UL * 1024 * 1024;

Directory.CreateDirectory(outputDirectory);

using (var archive = new Archive(archivePath))
{
    foreach (ArchiveEntry entry in archive.Entries)
    {
        string normalizedName = entry.Name.Replace('\\', '/');
        int marker = normalizedName.IndexOf(".gdb/", StringComparison.OrdinalIgnoreCase);
        if (marker < 0) continue;

        string relativePath = normalizedName;
        string destinationPath = Path.GetFullPath(
            Path.Combine(outputDirectory, relativePath.Replace('/', Path.DirectorySeparatorChar)));
        string pathFromRoot = Path.GetRelativePath(outputDirectory, destinationPath);

        if (Path.IsPathRooted(pathFromRoot)
            || pathFromRoot.Equals("..", StringComparison.Ordinal)
            || pathFromRoot.StartsWith(
                ".." + Path.DirectorySeparatorChar,
                StringComparison.Ordinal))
        {
            throw new InvalidDataException("Archive entry resolves outside the output directory.");
        }

        if (entry.IsDirectory)
        {
            Directory.CreateDirectory(destinationPath);
            continue;
        }

        if (entry.UncompressedSize > MaxEntrySize)
        {
            throw new InvalidDataException(
                $"Entry '{entry.Name}' exceeds the 100 MB extraction limit.");
        }

        Directory.CreateDirectory(Path.GetDirectoryName(destinationPath)!);
        entry.Extract(destinationPath);
    }
}