77 lines
2.5 KiB
C#
77 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Diagnostics;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using Mesen.GUI.Config;
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namespace Mesen.GUI.Forms
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{
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public partial class frmUpdatePrompt : BaseForm
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{
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private string _fileHash;
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public frmUpdatePrompt(Version currentVersion, Version latestVersion, string changeLog, string fileHash)
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{
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InitializeComponent();
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_fileHash = fileHash;
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lblCurrentVersionString.Text = currentVersion.ToString();
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lblLatestVersionString.Text = latestVersion.ToString();
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txtChangelog.Text = changeLog.Replace("\n", Environment.NewLine);
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}
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protected override void OnLoad(EventArgs e)
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{
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base.OnLoad(e);
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btnUpdate.Focus();
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}
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private void btnUpdate_Click(object sender, EventArgs e)
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{
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string destFilePath = Process.GetCurrentProcess().MainModule.FileName;
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string srcFilePath = Path.Combine(ConfigManager.DownloadFolder, "Mesen." + lblLatestVersionString.Text + ".exe");
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string backupFilePath = Path.Combine(ConfigManager.BackupFolder, "Mesen." + lblCurrentVersionString.Text + ".exe");
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string updateHelper = Path.Combine(ConfigManager.HomeFolder, "MesenUpdater.exe");
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if(!File.Exists(updateHelper)) {
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MesenMsgBox.Show("UpdaterNotFound", MessageBoxButtons.OK, MessageBoxIcon.Error);
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DialogResult = DialogResult.Cancel;
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} else if(!string.IsNullOrWhiteSpace(srcFilePath)) {
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frmDownloadProgress frmDownload = new frmDownloadProgress("http://www.mesen.ca/Services/GetLatestVersion.php?a=download&p=win", srcFilePath);
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if(frmDownload.ShowDialog() == DialogResult.OK) {
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FileInfo fileInfo = new FileInfo(srcFilePath);
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if(fileInfo.Length > 0 && GetSha1Hash(srcFilePath) == _fileHash) {
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Process.Start(updateHelper, string.Format("\"{0}\" \"{1}\" \"{2}\"", srcFilePath, destFilePath, backupFilePath));
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} else {
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//Download failed, mismatching hashes
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MesenMsgBox.Show("UpdateDownloadFailed", MessageBoxButtons.OK, MessageBoxIcon.Error);
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DialogResult = DialogResult.Cancel;
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}
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}
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}
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}
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private string GetSha1Hash(string filename)
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{
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using(SHA1Managed sha1 = new SHA1Managed()) {
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byte[] hash = sha1.ComputeHash(File.ReadAllBytes(filename));
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var sb = new StringBuilder(hash.Length * 2);
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foreach(byte b in hash) {
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sb.Append(b.ToString("x2"));
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}
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return sb.ToString();
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}
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}
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}
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}
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