From b0c0155e4566849135fa72ab4c59ed85d81d2fd2 Mon Sep 17 00:00:00 2001
From: Maksym Sadovnychyy <maksym.sadovnychyy@gmail.com>
Date: Thu, 31 Oct 2024 14:15:10 -0700
Subject: [PATCH] (feature): init support to read from smb shares

---
 src/MaksIT.LTO.Core/NetworkConnection.cs | 102 +++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/MaksIT.LTO.Core/NetworkConnection.cs

diff --git a/src/MaksIT.LTO.Core/NetworkConnection.cs b/src/MaksIT.LTO.Core/NetworkConnection.cs
new file mode 100644
index 0000000..e76a8c5
--- /dev/null
+++ b/src/MaksIT.LTO.Core/NetworkConnection.cs
@@ -0,0 +1,102 @@
+using System.Net;
+using System.Runtime.InteropServices;
+
+namespace MaksIT.LTO.Core;
+
+//public void RestoreFilesFromSmbShare(string smbPath, string username, string password, string domain, string restoreDirectory) {
+//  var credentials = new NetworkCredential(username, password, domain);
+//  using (new NetworkConnection(smbPath, credentials)) {
+//    var files = Directory.GetFiles(smbPath, "*.*", SearchOption.AllDirectories);
+//    foreach (var file in files) {
+//      var relativePath = Path.GetRelativePath(smbPath, file);
+//      var destinationPath = Path.Combine(restoreDirectory, relativePath);
+//      Directory.CreateDirectory(Path.GetDirectoryName(destinationPath));
+//      File.Copy(file, destinationPath, overwrite: true);
+//      Console.WriteLine($"Restored file: {file} to {destinationPath}");
+//    }
+//  }
+//}
+
+
+public class NetworkConnection : IDisposable {
+  private readonly string _networkName;
+
+  public NetworkConnection(string networkName, NetworkCredential credentials) {
+    _networkName = networkName;
+
+    var netResource = new NetResource {
+      Scope = ResourceScope.GlobalNetwork,
+      ResourceType = ResourceType.Disk,
+      DisplayType = ResourceDisplayType.Share,
+      RemoteName = networkName
+    };
+
+    var result = WNetAddConnection2(netResource, credentials.Password, credentials.UserName, 0);
+
+    if (result != 0) {
+      throw new InvalidOperationException($"Error connecting to remote share: {result}");
+    }
+  }
+
+  ~NetworkConnection() {
+    Dispose(false);
+  }
+
+  public void Dispose() {
+    Dispose(true);
+    GC.SuppressFinalize(this);
+  }
+
+  protected virtual void Dispose(bool disposing) {
+    WNetCancelConnection2(_networkName, 0, true);
+  }
+
+  [DllImport("mpr.dll")]
+  private static extern int WNetAddConnection2(NetResource netResource, string password, string username, int flags);
+
+  [DllImport("mpr.dll")]
+  private static extern int WNetCancelConnection2(string name, int flags, bool force);
+
+  [StructLayout(LayoutKind.Sequential)]
+  public class NetResource {
+    public ResourceScope Scope;
+    public ResourceType ResourceType;
+    public ResourceDisplayType DisplayType;
+    public int Usage;
+    public string LocalName;
+    public string RemoteName;
+    public string Comment;
+    public string Provider;
+  }
+
+  public enum ResourceScope : int {
+    Connected = 1,
+    GlobalNetwork,
+    Remembered,
+    Recent,
+    Context
+  }
+
+  public enum ResourceType : int {
+    Any = 0,
+    Disk = 1,
+    Print = 2,
+    Reserved = 8
+  }
+
+  public enum ResourceDisplayType : int {
+    Generic = 0x0,
+    Domain = 0x01,
+    Server = 0x02,
+    Share = 0x03,
+    File = 0x04,
+    Group = 0x05,
+    Network = 0x06,
+    Root = 0x07,
+    Shareadmin = 0x08,
+    Directory = 0x09,
+    Tree = 0x0a,
+    Ndscontainer = 0x0b
+  }
+}
+