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-rw-r--r--ShiftOS_TheReturn/Scripting.cs499
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diff --git a/ShiftOS_TheReturn/Scripting.cs b/ShiftOS_TheReturn/Scripting.cs
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--- a/ShiftOS_TheReturn/Scripting.cs
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-/*
- * MIT License
- *
- * Copyright (c) 2017 Michael VanOverbeek and ShiftOS devs
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Reflection;
-using ShiftOS.Objects.ShiftFS;
-using DynamicLua;
-using System.Dynamic;
-using Newtonsoft.Json;
-using System.Windows.Forms;
-using System.Threading;
-using System.Net;
-
-namespace ShiftOS.Engine.Scripting
-{
- [Exposed("strutils")]
- public class StringUtils
- {
- public bool endswith(string operand, string value)
- {
- return operand.EndsWith(value);
- }
-
- public bool startswith(string operand, string value)
- {
- return operand.StartsWith(value);
- }
-
- public bool contains(string operand, string value)
- {
- return operand.Contains(value);
- }
- }
-
-
- public class LuaInterpreter
- {
- public dynamic Lua = new DynamicLua.DynamicLua();
- public bool Running = true;
-
- static LuaInterpreter()
- {
- ServerManager.MessageReceived += (msg) =>
- {
- if (msg.Name == "run")
- {
- TerminalBackend.PrefixEnabled = false;
- var cntnts = JsonConvert.DeserializeObject<dynamic>(msg.Contents);
- var interp = new LuaInterpreter();
- Desktop.InvokeOnWorkerThread(() =>
- {
- interp.Execute(cntnts.script.ToString());
-
- });
- TerminalBackend.PrefixEnabled = true;
- TerminalBackend.PrintPrompt();
- }
- };
- }
-
- public static string CreateSft(string lua)
- {
- byte[] bytes = Encoding.UTF8.GetBytes(lua);
- return Convert.ToBase64String(bytes);
- }
-
- public static void RunSft(string sft)
- {
- if (Utils.FileExists(sft))
- {
- try
- {
- string b64 = Utils.ReadAllText(sft);
- byte[] bytes = Convert.FromBase64String(b64);
- string lua = Encoding.UTF8.GetString(bytes);
- CurrentDirectory = sft.Replace(Utils.GetFileInfo(sft).Name, "");
- new LuaInterpreter().Execute(lua);
- }
- catch
- {
- Infobox.Show("Invalid binary.", "This file is not a valid ShiftOS binary executable.");
- }
- }
- }
-
- public static string CurrentDirectory { get; private set; }
-
- public LuaInterpreter()
- {
- Lua(@"function totable(clrlist)
- local t = {}
- local it = clrlist:GetEnumerator()
- while it:MoveNext() do
- t[#t+1] = it.Current
- end
- return t
-end");
-
- SetupAPIs();
- Application.ApplicationExit += (o, a) =>
- {
- Running = false;
- };
- }
-
- public void SetupAPIs()
- {
- Lua.currentdir = (string.IsNullOrWhiteSpace(CurrentDirectory)) ? "0:" : CurrentDirectory;
- Lua.random = new Func<int, int, int>((min, max) =>
- {
- return new Random().Next(min, max);
- });
- Lua.registerEvent = new Action<string, Action<object>>((eventName, callback) =>
- {
- LuaEvent += (e, s) =>
- {
- if (e == eventName)
- try
- {
- callback?.Invoke(s);
- }
- catch(Exception ex)
- {
- Infobox.Show("Event propagation error.", "An error occurred while propagating the " + eventName + " event. " + ex.Message);
- }
- };
- });
- //This temporary proxy() method will be used by the API prober.
- Lua.proxy = new Func<string, dynamic>((objName) =>
- {
- foreach (var f in System.IO.Directory.GetFiles(Environment.CurrentDirectory))
- {
- if (f.EndsWith(".exe") || f.EndsWith(".dll"))
- {
- try
- {
-
- var asm = Assembly.LoadFile(f);
- foreach (var type in asm.GetTypes())
- {
- if (type.Name == objName)
- {
- dynamic dynObj = Activator.CreateInstance(type);
- return dynObj;
- }
-
- }
- }
- catch { }
- }
- }
- throw new Exception("{CLASS_NOT_FOUND}");
- });
-
- foreach (var f in System.IO.Directory.GetFiles(Environment.CurrentDirectory))
- {
- if (f.EndsWith(".exe") || f.EndsWith(".dll"))
- {
- try
- {
- var thisasm = Assembly.LoadFile(f);
- foreach (var type in thisasm.GetTypes())
- {
- foreach (var attr in type.GetCustomAttributes(false))
- {
- if (attr is ExposedAttribute)
- {
- var eattr = attr as ExposedAttribute;
- Lua($"{eattr.Name} = proxy(\"{type.Name}\")");
- }
- }
- }
- }
- catch
- {
-
- }
- }
- }
- //Now we can null out the proxy() method as it can cause security risks.
- Lua.isRunning = new Func<bool>(() => { return this.Running; });
- Lua.proxy = null;
- Lua.invokeOnWorkerThread = new Action<string>((func) =>
- {
- Desktop.InvokeOnWorkerThread(new Action(() =>
- {
- Lua(func + "()");
- }));
- });
- Lua.invokeOnNewThread = new Action<string>((func) =>
- {
- var t = new Thread(new ThreadStart(() =>
- {
- Lua(func + "()");
- }));
- t.IsBackground = true;
- t.Start();
- });
- Lua.includeScript = new Action<string>((file) =>
- {
- if (!Utils.FileExists(file))
- throw new ArgumentException("File does not exist.");
-
- if (!file.EndsWith(".lua"))
- throw new ArgumentException("File is not a lua file.");
-
- Lua(Utils.ReadAllText(file));
- });
- }
-
-
- public void ExecuteFile(string file)
- {
- if (Utils.FileExists(file))
- {
- CurrentDirectory = file.Replace(Utils.GetFileInfo(file).Name, "");
- Execute(Utils.ReadAllText(file));
- }
- else
- {
- throw new Exception("The file \"" + file + "\" was not found on the system.");
- }
- }
-
- public void Execute(string lua)
- {
- try
- {
- Console.WriteLine("");
- Lua(lua);
- Console.WriteLine($"{SaveSystem.CurrentSave.Username}@{SaveSystem.CurrentSave.SystemName}:~$ ");
- }
- catch (Exception e)
- {
- Infobox.Show("Script error", $@"Script threw {e.GetType().Name}:
-
-{e.Message}");
- }
- }
-
- /// <summary>
- /// Occurs when a Lua event is fired by C#.
- /// </summary>
- private static event Action<string, object> LuaEvent;
-
- /// <summary>
- /// Raises a Lua event with the specified name and caller object.
- /// </summary>
- /// <param name="eventName">The name of the event. Scripts use this to check what type of event occurred.</param>
- /// <param name="caller">The caller of the event. Scripts can use this to check if they should handle this event.</param>
- public static void RaiseEvent(string eventName, object caller)
- {
- LuaEvent?.Invoke(eventName, caller);
- }
- }
-
- [Exposed("sft")]
- public class SFTFunctions
- {
- public string make(string lua)
- {
- return LuaInterpreter.CreateSft(lua);
- }
-
- public void makefile(string lua, string outpath)
- {
- Utils.WriteAllText(outpath, make(lua));
- }
-
- public void run(string inpath)
- {
- LuaInterpreter.RunSft(inpath);
- }
-
- public string unmake(string sft)
- {
- if (Utils.FileExists(sft))
- {
- string b64 = Utils.ReadAllText(sft);
- byte[] bytes = Convert.FromBase64String(b64);
- string lua = Encoding.UTF8.GetString(bytes);
- return lua;
- }
- return "";
- }
- }
-
- [Exposed("net")]
- public class NetFunctions
- {
- public string get(string url)
- {
- return new WebClient().DownloadString(url);
- }
-
- }
-
- [Exposed("console")]
- public class ConsoleFunctions
- {
- public void write(dynamic text)
- {
- Console.Write(text.ToString());
- }
-
- public void writeLine(dynamic text)
- {
- Console.WriteLine(text.ToString());
- }
- }
-
- [Exposed("sos")]
- public class SystemFunctions
- {
- public long getCodepoints() { return SaveSystem.CurrentSave.Codepoints; }
-
-
- public bool runCommand(string cmd)
- {
- var args = TerminalBackend.GetArgs(ref cmd);
-
- return TerminalBackend.RunClient(cmd, args);
- }
-
- public void addCodepoints(int cp)
- {
- if (cp > 100 || cp <= 0)
- {
- throw new Exception("Value 'cp' must be at or below 100, and above 0.");
- }
- else
- {
- SaveSystem.CurrentSave.Codepoints += cp;
- SaveSystem.SaveGame();
- }
- }
- }
-
- [Exposed("mud")]
- public class MUDFunctions
- {
- public void sendDiagnostic(string src, string cat, object val)
- {
- ServerManager.SendMessage("diag_log", $"[{src}] <{cat}>: {val}");
- }
- }
-
- [Exposed("userinfo")]
- public class UserInfoFunctions
- {
- public string getUsername()
- {
- return SaveSystem.CurrentSave.Username;
- }
-
- public string getSysname()
- {
- return SaveSystem.CurrentSave.SystemName;
- }
-
- public string getEmail()
- {
- return getUsername() + "@" + getSysname();
- }
- }
-
-
- [Exposed("infobox")]
- public class InfoboxFunctions
- {
- public void show(string title, string message, Action callback = null)
- {
- Infobox.Show(title, message, callback);
- }
-
- public void question(string title, string message, Action<bool> callback)
- {
- Infobox.PromptYesNo(title, message, callback);
- }
-
- public void input(string title, string message, Action<string> callback)
- {
- Infobox.PromptText(title, message, callback);
- }
- }
-
- [Exposed("fileskimmer")]
- public class FileSkimmerFunctions
- {
- public void openFile(string extensions, Action<string> callback)
- {
- FileSkimmerBackend.GetFile(extensions.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries), FileOpenerStyle.Open, callback);
- }
-
- public void saveFile(string extensions, Action<string> callback)
- {
- FileSkimmerBackend.GetFile(extensions.Split(new[] { ";" }, StringSplitOptions.RemoveEmptyEntries), FileOpenerStyle.Save, callback);
- }
- }
-
- [Exposed("fs")]
- public class ShiftFSFunctions
- {
- public string readAllText(string path)
- {
- return Utils.ReadAllText(path);
- }
-
- public void copy(string i, string o)
- {
- Utils.WriteAllBytes(o, Utils.ReadAllBytes(i));
- }
-
- public string[] getFiles(string dir)
- {
- return Utils.GetFiles(dir);
- }
-
- public string[] getDirectories(string dir)
- {
- return Utils.GetDirectories(dir);
- }
-
- public byte[] readAllBytes(string path)
- {
- return Utils.ReadAllBytes(path);
- }
-
- public void writeAllText(string path, string contents)
- {
- Utils.WriteAllText(path, contents);
- }
-
- public void writeAllBytes(string path, byte[] contents)
- {
- Utils.WriteAllBytes(path, contents);
- }
-
- public bool fileExists(string path)
- {
- return Utils.FileExists(path);
- }
-
- public bool directoryExists(string path)
- {
- return Utils.DirectoryExists(path);
- }
-
- public void delete(string path)
- {
- Utils.Delete(path);
- }
-
- public void createDirectory(string path)
- {
- Utils.CreateDirectory(path);
- }
- }
-
-
- public class ExposedAttribute : Attribute
- {
- /// <summary>
- /// If applied to a non-static class, the ShiftOS engine will see this class as a Lua object of the specified name.
- /// </summary>
- /// <param name="name">The name of the Lua object</param>
- public ExposedAttribute(string name)
- {
- Name = name;
- }
-
- public string Name { get; private set; }
- }
-}
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