mirror of
https://git.alee14.me/shiftos-archive/ShiftOS_TheReturn.git
synced 2025-01-23 02:12:14 +00:00
375 lines
11 KiB
C#
375 lines
11 KiB
C#
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using System;
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using Newtonsoft.Json;
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using System.Collections.Generic;
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using static ShiftOS.Objects.ShiftFS.Utils;
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using System.Text;
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using System.Threading;
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namespace ShiftOS.Objects.ShiftFS
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{
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public enum Permissions
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{
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User,
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Administrator,
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Superuser,
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All
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}
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public class File
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{
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public string Name;
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public byte[] Data;
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public bool ReadAccessToLowUsers;
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public Permissions permissions;
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public System.IO.Stream GetStream()
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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return new System.IO.MemoryStream(Data);
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}
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else if (ReadAccessToLowUsers == true)
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{
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return new System.IO.MemoryStream(Data, false);
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}
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return null;
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}
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public File(string name, byte[] data, bool ReadAccess_to_low_users, Permissions perm)
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{
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Name = name;
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Data = data;
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permissions = perm;
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ReadAccessToLowUsers = ReadAccess_to_low_users;
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}
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}
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public class Directory
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{
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public string Name;
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public List<File> Files = new List<File>();
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public List<Directory> Subdirectories = new List<Directory>();
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public bool ReadAccessToLowUsers;
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public Permissions permissions;
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public void AddFile(File file)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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Files.Add(file);
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}
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}
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public void RemoveFile(string name)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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Files.Remove(Files.Find(x => x.Name == name));
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}
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}
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public void RemoveFile(File file)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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Files.Remove(file);
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}
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}
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public File FindFileByName(string name)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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return Files.Find(x => x.Name == name);
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}
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return null;
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}
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public void AddDirectory(Directory dir)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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Subdirectories.Add(dir);
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}
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}
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public void RemoveDirectory(string name)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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Subdirectories.Remove(Subdirectories.Find(x => x.Name == name));
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}
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}
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public void RemoveDirectory(Directory dir)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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Subdirectories.Remove(dir);
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}
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}
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public Directory FindDirectoryByName(string name)
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{
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if ((int)CurrentUser >= (int)permissions || permissions == Permissions.All)
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{
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return Subdirectories.Find(x => x.Name == name);
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}
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return null;
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}
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}
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public static class Utils
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{
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public static Permissions CurrentUser { get; set; }
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public static List<Directory> Mounts { get; set; }
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static Utils()
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{
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if (Mounts == null)
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Mounts = new List<Directory>();
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}
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public static void Mount(string json)
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{
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var dir = JsonConvert.DeserializeObject<Directory>(json);
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Mounts.Add(dir);
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}
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public static void MountPersistent(string mfsFile)
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{
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var dir = JsonConvert.DeserializeObject<Directory>(ReadAllText(mfsFile));
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Mounts.Add(dir);
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string oldJson = JsonConvert.SerializeObject(dir);
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var t = new Thread(new ThreadStart(() =>
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{
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while (Mounts != null)
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{
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if (oldJson != JsonConvert.SerializeObject(dir))
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{
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oldJson = JsonConvert.SerializeObject(dir);
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WriteAllText(mfsFile, oldJson);
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}
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}
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}));
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t.IsBackground = true;
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t.Start();
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}
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public static void CreateDirectory(string path)
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{
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if (!DirectoryExists(path))
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 2; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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dir.AddDirectory(new Directory
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{
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Name = pathlist[pathlist.Length - 1],
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permissions = CurrentUser,
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});
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}
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else
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{
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throw new Exception("The directory \"" + path + "\" already exists.");
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}
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}
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public static byte[] ReadAllBytes(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 2; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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var file = dir.FindFileByName(pathlist[pathlist.Length - 1]);
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return file.Data;
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}
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public static void WriteAllText(string path, string contents)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 2; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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if (!FileExists(path))
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{
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dir.AddFile(new File(pathlist[pathlist.Length - 1], Encoding.UTF8.GetBytes(contents), false, Permissions.All));
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}
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else
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{
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var f = dir.FindFileByName(pathlist[pathlist.Length - 1]);
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f.Data = Encoding.UTF8.GetBytes(contents);
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}
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}
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public static void Delete(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 2; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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if (FileExists(path))
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{
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dir.RemoveFile(pathlist[pathlist.Length - 1]);
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}
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else
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{
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dir.RemoveDirectory(pathlist[pathlist.Length - 1]);
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}
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}
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public static void WriteAllBytes(string path, byte[] contents)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 2; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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if (!FileExists(path))
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{
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dir.AddFile(new File(pathlist[pathlist.Length - 1], contents, false, Permissions.All));
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}
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else
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{
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var f = dir.FindFileByName(pathlist[pathlist.Length - 1]);
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f.Data = contents;
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}
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}
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public static string ExportMount(int index)
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{
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var dir = Mounts[index];
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return JsonConvert.SerializeObject(dir, Formatting.Indented);
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}
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public static bool DirectoryExists(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 1; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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return dir != null;
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}
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public static bool FileExists(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 2; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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return dir.FindFileByName(pathlist[pathlist.Length - 1]) != null;
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}
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public static Directory GetDirectoryInfo(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 1; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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if (path.EndsWith("/"))
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path = path.Remove(path.Length - 1, 1);
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return dir;
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}
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public static string ReadAllText(string path)
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{
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return Encoding.UTF8.GetString(ReadAllBytes(path));
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}
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public static File GetFileInfo(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 2; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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return dir.FindFileByName(pathlist[pathlist.Length - 1]);
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}
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public static string[] GetDirectories(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for(int i = 1; i <= pathlist.Length - 1; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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if (path.EndsWith("/"))
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path = path.Remove(path.Length - 1, 1);
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List<string> paths = new List<string>();
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foreach(var subdir in dir.Subdirectories)
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{
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paths.Add(path + "/" + subdir.Name);
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}
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paths.Sort();
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return paths.ToArray();
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}
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public static string[] GetFiles(string path)
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{
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string[] pathlist = path.Split('/');
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int vol = Convert.ToInt32(pathlist[0].Replace(":", ""));
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var dir = Mounts[vol];
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for (int i = 1; i <= pathlist.Length - 1; i++)
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{
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dir = dir.FindDirectoryByName(pathlist[i]);
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}
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if (path.EndsWith("/"))
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path = path.Remove(path.Length - 1, 1);
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List<string> paths = new List<string>();
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foreach (var subdir in dir.Files)
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{
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paths.Add(path + "/" + subdir.Name);
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}
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paths.Sort();
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return paths.ToArray();
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}
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public static void WriteAllText(string v, object p)
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{
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throw new NotImplementedException();
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}
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}
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}
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