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UpTool2/UpTool2/Program.cs
CreepyCrafter24 e43178a774 Upd8
2019-11-14 18:53:00 +01:00

211 lines
9.8 KiB
C#

using System;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Security.AccessControl;
using System.Security.Cryptography;
using System.Security.Principal;
using System.Threading;
using System.Windows.Forms;
using System.Xml.Linq;
using System.Drawing;
using System.Linq;
using System.Xml;
using System.IO.Compression;
namespace UpTool2
{
static class Program
{
public static Form splash;
public static bool online;
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
ShowSplash();
string appGuid = ((GuidAttribute)Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(GuidAttribute), false).GetValue(0)).Value.ToString();
string mutexId = string.Format("Global\\{{{0}}}", appGuid);
var allowEveryoneRule = new MutexAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null), MutexRights.FullControl, AccessControlType.Allow);
var securitySettings = new MutexSecurity();
securitySettings.AddAccessRule(allowEveryoneRule);
using (var mutex = new Mutex(false, mutexId, out bool createdNew, securitySettings))
{
var hasHandle = false;
#if !DEBUG
try
{
#endif
try
{
hasHandle = mutex.WaitOne(5000, false);
if (hasHandle == false)
throw new TimeoutException("Timeout waiting for exclusive access");
}
catch (AbandonedMutexException)
{
#if DEBUG
Console.WriteLine("Mutex abandoned");
#endif
hasHandle = true;
}
if (!Directory.Exists(GlobalVariables.dir + @"\Apps"))
Directory.CreateDirectory(GlobalVariables.dir + @"\Apps");
string xml = GlobalVariables.dir + @"\info.xml";
FixXML(xml);
string metaXML = XDocument.Load(xml).Element("meta").Element("UpdateSource").Value;
online = Ping(metaXML);
if (!online || UpdateCheck(GlobalVariables.dir, xml, metaXML))
Application.Run(new MainForm());
#if !DEBUG
}
catch (Exception e1)
{
MessageBox.Show(e1.ToString());
}
finally
{
if (hasHandle)
mutex.ReleaseMutex();
}
#endif
}
}
static void ShowSplash()
{
splash = new Form
{
StartPosition = FormStartPosition.CenterScreen,
FormBorderStyle = FormBorderStyle.None,
ControlBox = false,
MaximizeBox = false,
MinimizeBox = false,
ShowIcon = false,
ShowInTaskbar = false,
Size = new Size(700, 400),
ForeColor = Color.Green,
TopMost = true
};
splash.MaximumSize = splash.Size;
splash.MinimumSize = splash.Size;
Label splashL = new Label
{
AutoSize = false,
Dock = DockStyle.Fill,
TextAlign = ContentAlignment.MiddleCenter,
Text = "Loading",
Font = new Font(FontFamily.GenericSansSerif, 40)
};
splash.Controls.Add(splashL);
splash.Show();
splash.BringToFront();
}
static void FixXML(string xml)
{
try
{
if ((!File.Exists(xml)) || XDocument.Load(xml).Element("meta") == null)
new XElement("meta", new XElement("Version", 0), new XElement("UpdateSource", "https://raw.githubusercontent.com/CreepyCrafter24/UpTool2/master/Meta.xml"), new XElement("Repos", new XElement("Repo", new XElement("Name", "UpTool2 official Repo"), new XElement("Link", "https://raw.githubusercontent.com/CreepyCrafter24/UpTool2/master/Repo.xml"))), new XElement("LocalRepo")).Save(xml);
else
{
XDocument x = XDocument.Load(xml);
XElement meta = x.Element("meta");
if (XDocument.Load(xml).Element("meta").Element("Version") == null)
meta.Add(new XElement("Version", 0));
if (XDocument.Load(xml).Element("meta").Element("UpdateSource") == null)
meta.Add(new XElement("UpdateSource", "https://raw.githubusercontent.com/CreepyCrafter24/UpTool2/master/Meta.xml"));
if (XDocument.Load(xml).Element("meta").Element("Repos") == null)
meta.Add(new XElement("Repos", new XElement("Repo", new XElement("Name", "UpTool2 official Repo"), new XElement("Link", "https://raw.githubusercontent.com/CreepyCrafter24/UpTool2/master/Repo.xml"))));
else if (XDocument.Load(xml).Element("meta").Element("Repos").Elements("Repo").Count() == 0)
meta.Element("Repos").Add(new XElement("Repo", new XElement("Name", "UpTool2 official Repo"), new XElement("Link", "https://raw.githubusercontent.com/CreepyCrafter24/UpTool2/master/Repo.xml")));
else
meta.Element("Repos").Elements("Repo").Select(s => s.Element("Link"))
.Where(s => s.Value == "https://github.com/CreepyCrafter24/UpTool2/releases/download/Repo/Repo.xml")
.ToList().ForEach(s => s.Value = "https://raw.githubusercontent.com/CreepyCrafter24/UpTool2/master/Repo.xml");
if (XDocument.Load(xml).Element("meta").Element("LocalRepo") == null)
meta.Add(new XElement("LocalRepo"));
x.Save(xml);
}
}
catch (XmlException)
{
new XElement("meta", new XElement("Version", 0), new XElement("Repos", new XElement("Repo", new XElement("Name", "UpTool2 official Repo"), new XElement("Link", "https://raw.githubusercontent.com/CreepyCrafter24/UpTool2/master/Repo.xml"))), new XElement("LocalRepo")).Save(xml);
}
}
static bool UpdateCheck(string dir, string xml, string metaXML)
{
XElement meta = XDocument.Load(metaXML).Element("meta");
bool updatable;
string ver = meta.Element("Version").Value;
if (int.TryParse(ver, out int version))
updatable = int.Parse(XDocument.Load(xml).Element("meta").Element("Version").Value) < version;
else
updatable = Assembly.GetExecutingAssembly().GetName().Version < Version.Parse(ver);
if (updatable)
{
using (DownloadDialog dlg = new DownloadDialog(meta.Element("File").Value, dir + @"\update.tmp"))
{
if (dlg.ShowDialog() != DialogResult.OK)
throw new Exception("Failed to update");
}
using (SHA256CryptoServiceProvider sha256 = new SHA256CryptoServiceProvider())
{
string pkghash = BitConverter.ToString(sha256.ComputeHash(File.ReadAllBytes(dir + @"\update.tmp"))).Replace("-", string.Empty).ToUpper();
if (pkghash != meta.Element("Hash").Value.ToUpper())
throw new Exception("The hash is not equal to the one stored in the repo:\r\nPackage: " + pkghash + "\r\nOnline: " + meta.Element("Hash").Value.ToUpper());
}
if (File.Exists(dir + @"\update.exe"))
File.Delete(dir + @"\update.exe");
try
{
//Try extracting. This is done to support automatically built updates
if (Directory.Exists(dir + @"\update"))
Directory.Delete(dir + @"\update", true);
ZipFile.ExtractToDirectory(dir + @"\update.tmp", dir + @"\update");
File.Delete(dir + @"\update.tmp");
string[] array = Directory.GetFiles(dir + @"\update\Release");
for (int i = 0; i < array.Length; i++)
File.Copy(array[i], dir + @"\update.exe", true);
}
catch (InvalidDataException)
{
//If it can not be extracted as a .zip we try reading to see if it is a binary by trying to read it's name
AssemblyName.GetAssemblyName(dir + @"\update.tmp");
File.Move(dir + @"\update.tmp", dir + @"\update.exe");
}
new XElement("meta", new XElement("Version", ver)).Save(xml);
splash.Hide();
Process.Start(new ProcessStartInfo { FileName = "cmd.exe", Arguments = "/C timeout /t 2 & copy /b/v/y \"" + dir + @"\update.exe" + "\" \"" + Application.ExecutablePath + "\" & \"" + Application.ExecutablePath + "\"", CreateNoWindow = true, WindowStyle = ProcessWindowStyle.Hidden });
return false;
}
return true;
}
public static bool Ping(string url)
{
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Timeout = 3000;
request.AllowAutoRedirect = false;
request.Method = "HEAD";
using (var response = request.GetResponse())
{
return true;
}
}
catch
{
return false;
}
}
}
}