116 lines
4.3 KiB
C#
116 lines
4.3 KiB
C#
using Giants.WebApi.Clients;
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using System;
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using System.ComponentModel;
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using System.IO;
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using System.Net;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Giants.Launcher
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{
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public class Updater
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{
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private readonly AsyncCompletedEventHandler updateCompletedCallback;
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private readonly DownloadProgressChangedEventHandler updateProgressCallback;
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public Updater(
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AsyncCompletedEventHandler updateCompletedCallback,
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DownloadProgressChangedEventHandler updateProgressCallback)
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{
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this.updateCompletedCallback = updateCompletedCallback;
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this.updateProgressCallback = updateProgressCallback;
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}
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public bool IsUpdateRequired(ApplicationType applicationType, VersionInfo remoteVersionInfo, Version localVersion)
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{
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if (remoteVersionInfo?.InstallerUri != null
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&& this.ToVersion(remoteVersionInfo.Version) > localVersion)
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{
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// Display update prompt
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string updateMsg = applicationType == ApplicationType.Game ?
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string.Format(Resources.UpdateAvailableText, this.ToVersion(remoteVersionInfo.Version).ToString()) :
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string.Format(Resources.LauncherUpdateAvailableText, this.ToVersion(remoteVersionInfo.Version).ToString());
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if (MessageBox.Show(updateMsg, Resources.UpdateAvailableTitle, MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
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{
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return true;
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}
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}
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return false;
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}
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public Task UpdateApplication(ApplicationType applicationType, VersionInfo versionInfo)
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{
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try
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{
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this.StartApplicationUpdate(applicationType, versionInfo);
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}
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catch (Exception e)
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{
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string errorMsg = string.Format(Resources.UpdateDownloadFailedText, e.Message);
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MessageBox.Show(errorMsg, Resources.UpdateDownloadFailedTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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return Task.CompletedTask;
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}
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private int GetHttpFileSize(Uri uri)
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{
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HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(uri);
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req.Proxy = null;
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req.Method = "HEAD";
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HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
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if (resp.StatusCode == HttpStatusCode.OK && int.TryParse(resp.Headers.Get("Content-Length"), out int contentLength))
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{
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resp.Close();
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return contentLength;
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}
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resp.Close();
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return -1;
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}
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private void StartApplicationUpdate(ApplicationType applicationType, VersionInfo versionInfo)
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{
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string patchFileName = Path.GetFileName(versionInfo.InstallerUri.AbsoluteUri);
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string localPath = Path.Combine(Path.GetTempPath(), patchFileName);
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// Delete the file locally if it already exists, just to be safe
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if (File.Exists(localPath))
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{
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File.Delete(localPath);
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}
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int fileSize = this.GetHttpFileSize(versionInfo.InstallerUri);
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if (fileSize == -1)
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{
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string errorMsg = string.Format(Resources.UpdateDownloadFailedText, "File not found on server.");
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MessageBox.Show(errorMsg, Resources.UpdateDownloadFailedTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
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return;
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}
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var updateInfo = new UpdateInfo()
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{
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FilePath = localPath,
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FileSize = fileSize,
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ApplicationType = applicationType
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};
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// Download the update
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// TODO: Super old code, replace this with async HttpClient
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WebClient client = new WebClient();
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client.DownloadFileAsync(versionInfo.InstallerUri, localPath, updateInfo);
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client.DownloadFileCompleted += this.updateCompletedCallback;
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client.DownloadProgressChanged += this.updateProgressCallback;
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}
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private Version ToVersion(AppVersion version)
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{
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return new Version(version.Major, version.Minor, version.Build, version.Revision);
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}
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}
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}
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