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Main.cs
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Main.cs
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using System;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using System.Management;
using System.Linq;
using System.Drawing;
namespace HovText_AutoInstall
{
public partial class Main : Form
{
string hovtextPage = "https://hovtext.com";
string[] startupArgs;
int secs = 5;
string appVer = "";
string appType = "STABLE";
public Main(string[] args)
{
InitializeComponent();
startupArgs = args;
// Get application file version from assembly
Assembly assemblyInfo = Assembly.GetExecutingAssembly();
string assemblyVersion = FileVersionInfo.GetVersionInfo(assemblyInfo.Location).FileVersion;
string year = assemblyVersion.Substring(0, 4);
string month = assemblyVersion.Substring(5, 2);
string day = assemblyVersion.Substring(8, 2);
switch (month)
{
case "01": month = "January"; break;
case "02": month = "February"; break;
case "03": month = "March"; break;
case "04": month = "April"; break;
case "05": month = "May"; break;
case "06": month = "June"; break;
case "07": month = "July"; break;
case "08": month = "August"; break;
case "09": month = "September"; break;
case "10": month = "October"; break;
case "11": month = "November"; break;
case "12": month = "December"; break;
default: month = "Unknown"; break;
}
day = day.TrimStart(new Char[] { '0' }); // remove leading zero
day = day.TrimEnd(new Char[] { '.' }); // remove last dot
string date = year + "-" + month + "-" + day;
appVer = (date).Trim();
Text = "HovText Auto-Install (version "+ appVer +")";
TopMost = true;
tabControl1.ItemSize = new Size(0, 1);
tabControl1.SizeMode = TabSizeMode.Fixed;
tabControl1.Appearance = TabAppearance.FlatButtons;
appType = GetAppTypeToInstall();
label5.Text = $"Install newest [{appType}] version";
Shown += new EventHandler(Main_Shown);
}
private void Main_Shown(object sender, EventArgs e)
{
if (startupArgs.Length > 0)
{
tabControl1.SelectedIndex = 1;
}
}
private string GetAppTypeToInstall ()
{
if (startupArgs.Length > 0)
{
if (startupArgs[0].ToLower() == "development")
{
return "DEVELOPMENT";
}
}
return appType;
}
private void CenterLabel(Label label)
{
label.Location = new System.Drawing.Point(
(ClientSize.Width - label.Width) / 2,
(ClientSize.Height - label.Height) / 2
);
label.Anchor = AnchorStyles.None;
}
private void timer1_Tick(object sender, EventArgs e)
{
secs--;
label2.Text = secs.ToString();
if(secs == 0)
{
timer1.Enabled = false;
label1.Visible = false;
label2.Visible = false;
StartUpdate();
}
}
private void button1_Click(object sender, EventArgs e)
{
appType = "STABLE";
label5.Text = "Install newest [STABLE] version";
StartUpdate();
}
private void button2_Click(object sender, EventArgs e)
{
appType = "DEVELOPMENT";
label5.Text = "Install newest [DEVELOPMENT] version";
StartUpdate();
}
private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
{
if (tabControl1.SelectedIndex == 1)
{
timer1.Enabled = true;
}
}
private void StartUpdate()
{
tabControl1.SelectedIndex = 2;
// Get OS name
string osVersion = (string)(from x in new ManagementObjectSearcher("SELECT Caption FROM Win32_OperatingSystem").Get().Cast<ManagementObject>() select x.GetPropertyValue("Caption")).FirstOrDefault();
bool closeNow = false;
// Get the newest stable version
string newestStableVersion = "";
if (appType == "STABLE")
{
try
{
WebClient webClient = new WebClient();
ServicePointManager.Expect100Continue = true;
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls13;
webClient.Headers.Add("user-agent", ("HovText Auto-Install " + appVer).Trim());
// Prepare the POST data
var postData = new System.Collections.Specialized.NameValueCollection
{
{ "osVersion", osVersion }
};
// Send the POST data to the server
byte[] responseBytes = webClient.UploadValues(hovtextPage + "/autoupdate/", postData);
// Convert the response bytes to a string
string newestStableVersionWithVersion = Encoding.UTF8.GetString(responseBytes);
string prefixToRemove = "Version: ";
newestStableVersion = newestStableVersionWithVersion;
if (newestStableVersionWithVersion.StartsWith(prefixToRemove))
{
newestStableVersion = newestStableVersionWithVersion.Substring(prefixToRemove.Length);
}
}
catch (Exception ex)
{
MessageBox.Show("HovText Auto-Install error:\r\n\r\n" + ex.Message,
"HovText Auto-Install ERROR",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
closeNow = true;
}
}
if(!closeNow)
{
label3.Text = $"Fetching newest [{appType}] version from HovText home page.\n\nPlease wait ...";
// CenterLabel(label3);
Refresh();
// Set some variables
string folderAndExe = appType == "DEVELOPMENT" ? "autoupdate/development/HovText.exe" : "download/" + newestStableVersion + "/HovText.exe";
string updateExe = hovtextPage +"/"+ folderAndExe;
string baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
string pathAndTempExe = Path.Combine(baseDirectory, "HovText.exe");
// Delete the current "HovText.exe" as the application should have been closed by now
if(File.Exists(baseDirectory + "HovText.exe"))
{
try
{
File.Delete(baseDirectory + "HovText.exe");
}
catch (Exception ex)
{
MessageBox.Show("HovText Auto-Install error:\r\n\r\n" + ex.Message,
"HovText Auto-Install ERROR",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
closeNow = true;
}
}
if(!closeNow)
{
try
{
Thread.Sleep(1000);
WebClient webClient = new WebClient();
webClient.DownloadFile(updateExe, pathAndTempExe);
}
catch (Exception ex)
{
MessageBox.Show("HovText Auto-Install error:\r\n\r\n" + ex.Message,
"HovText Auto-Install ERROR",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
closeNow = true;
}
// Start the new HovText executable
if(!closeNow)
{
Thread.Sleep(1000);
Process.Start(pathAndTempExe);
}
}
}
// Terminate the main application
Close();
}
}
}