Uploaded source code for ShiftOS 0.1.1 Beta 2.3

Initial commit of repository.

1 files changed, 156 insertions, 0 deletions

diff --git a/source/WindowsFormsApplication1/ShiftnetDecryptor.cs b/source/WindowsFormsApplication1/ShiftnetDecryptor.cs
new file mode 100644
index 0000000..c31a6dc
--- /dev/null
+++ b/source/WindowsFormsApplication1/ShiftnetDecryptor.cs
@@ -0,0 +1,156 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ShiftOS
+{
+    public partial class ShiftnetDecryptor : Form
+    {
+        public ShiftnetDecryptor()
+        {
+            InitializeComponent();
+        }
+
+        int i = 0;
+        string currentaddress = null;
+        string encrypted_contents = null;
+
+        public void WriteLine(string line)
+        {
+            if(txtstatus.Text == "")
+            {
+                txtstatus.Text = line;
+            }
+            else
+            {
+                txtstatus.Text += Environment.NewLine + line;
+            }
+        }
+
+        private void RecursiveControlSetup(Control ctrl)
+        {
+            ctrl.Font = new Font(OSInfo.GetMonospaceFont(), ctrl.Font.Size);
+            try
+            {
+                var pnl = (Panel)ctrl;
+                foreach (Control c in pnl.Controls)
+                {
+                    RecursiveControlSetup(c);
+                }
+            }
+            catch (Exception ex)
+            {
+
+            }
+        }
+
+        private void tmrdecrypt_Tick(object sender, EventArgs e)
+        {
+            switch (i)
+            {
+                case 0:
+                    currentaddress = txtaddress.Text;
+                    WriteLine("Checking URL...");
+                    if(!currentaddress.StartsWith("shiftnet://"))
+                    {
+                        WriteLine(" *** ERROR: Invalid URL.");
+                        tmrdecrypt.Stop();
+                        btnstart.Enabled = true;
+                        txtaddress.Enabled = true;
+                    }
+                    break;
+                case 5:
+                    WriteLine("Making connection to Shiftnet...");
+                    currentaddress = currentaddress.Replace("shiftnet://", "http://playshiftos.ml/shiftnet/www/");
+                    break;
+                case 25:
+                    WriteLine("Checking file...");
+                    if(!currentaddress.EndsWith(".enc"))
+                    {
+                        WriteLine(" *** ERROR: File not valid, must be of type .enc (encrypted file)");
+                        tmrdecrypt.Stop();
+                        btnstart.Enabled = true;
+                        txtaddress.Enabled = true;
+                    }
+                    break;
+                case 27:
+                    WriteLine("Downloading file contents...");
+                    try
+                    {
+                        encrypted_contents = new WebClient().DownloadString(currentaddress);
+                    }
+                    catch(Exception ex)
+                    {
+                        WriteLine(" *** ERROR: Remote file could not be accessed.");
+                        tmrdecrypt.Stop();
+                        btnstart.Enabled = true;
+                        txtaddress.Enabled = true;
+                    }
+                    break;
+                case 30:
+                    WriteLine("Download successful. Determining encryption algorithm. This may take a bit...");
+                    break;
+                case 75:
+                    int r = new Random().Next(0, 100);
+                    if(r >= 25 && r <= 75)
+                    {
+                        WriteLine("Encryption algorithm determined, beginning decryption.");
+                    }
+                    else
+                    {
+                        WriteLine("Decryption failed.");
+                        tmrdecrypt.Stop();
+                        btnstart.Enabled = true;
+                        txtaddress.Enabled = true;
+                    }
+                    break;
+                case 95:
+                    string decrypted = API.Encryption.Decrypt(encrypted_contents);
+                    int lastslash = currentaddress.LastIndexOf("/");
+                    int len = currentaddress.Length - lastslash;
+                    string fname = currentaddress.Substring(lastslash, len).Replace(".enc", ".lua");
+                    WriteLine("Decryption successful. Saving to /Home/Decryptions/" + fname + "...");
+                    if(!Directory.Exists(Paths.Home + "Decryptions"))
+                    {
+                        Directory.CreateDirectory(Paths.Home + "Decryptions");
+                    }
+                    File.WriteAllText(Paths.Home + $"Decryptions{OSInfo.DirectorySeparator}{fname}", decrypted);
+                    break;
+                case 100:
+                    WriteLine("Decryption successful.");
+                    tmrdecrypt.Stop();
+                    currentaddress = null;
+                    i = 0;
+                    encrypted_contents = null;
+                    btnstart.Enabled = true;
+                    txtaddress.Enabled = true;
+
+                    break;
+            }
+
+            i += 1;
+            pgstatus.Value = i;
+        }
+
+        private void btnstart_Click(object sender, EventArgs e)
+        {
+            i = 0;
+            tmrdecrypt.Start();
+            btnstart.Enabled = false;
+            txtaddress.Enabled = false;
+        }
+
+        private void ShiftnetDecryptor_Load(object sender, EventArgs e)
+        {
+            RecursiveControlSetup(panel1);
+        }
+    }
+}