/// <summary>
///
/// </summary>
/// <param name="asset"></param>
/// <param name="destinationDir"></param>
/// <param name="streams"></param>
/// <returns></returns>
private static bool ExtractToDirectory(AssetObject asset, string destinationDir, IReadOnlyDictionary <string, FileStream> streams)
{
var dir = FileUtils.GetZombieDownloadsDirectory();
var filePath = Path.Combine(dir, asset.Name);
if (!File.Exists(filePath))
{
return(false);
}
try
{
using (var zip = ZipFile.Open(filePath, ZipArchiveMode.Read))
{
foreach (var file in zip.Entries)
{
var completeFileName = Path.Combine(FilePathUtils.CreateUserSpecificPath(destinationDir), file.FullName);
if (file.Name == string.Empty)
{
continue; // dir entry
}
// make sure that file is not locked
var stream = streams.ContainsKey(completeFileName) ? streams[completeFileName] : null;
stream?.Close();
if (stream == null)
{
// we didn't add it to streams which means that directory didn't exist
var path = Path.GetDirectoryName(completeFileName);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
}
file.ExtractToFile(completeFileName, true);
}
}
}
catch (Exception e)
{
_logger.Fatal(e.Message);
return(false);
}
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="settings"></param>
/// <param name="asset"></param>
/// <param name="destinationDir"></param>
/// <param name="streams"></param>
/// <returns></returns>
private static bool LockAllContents(ZombieSettings settings, AssetObject asset, string destinationDir, out Dictionary <string, FileStream> streams)
{
streams = new Dictionary <string, FileStream>();
var dir = FileUtils.GetZombieDownloadsDirectory();
var filePath = Path.Combine(dir, asset.Name);
if (!GitHubUtils.DownloadAssets(settings, asset.Url, filePath))
{
return(false);
}
try
{
using (var zip = ZipFile.Open(filePath, ZipArchiveMode.Read))
{
foreach (var file in zip.Entries)
{
var completeFileName = Path.Combine(FilePathUtils.CreateUserSpecificPath(destinationDir), file.FullName);
if (file.Name == string.Empty || !Directory.Exists(Path.GetDirectoryName(completeFileName)))
{
continue;
}
var fs = new FileStream(completeFileName, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);
streams.Add(completeFileName, fs);
}
}
}
catch (Exception e)
{
_logger.Fatal(e.Message);
return(false);
}
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="settings"></param>
public async void GetLatestRelease(ZombieSettings settings)
{
if (string.IsNullOrEmpty(settings?.AccessToken) || string.IsNullOrEmpty(settings.Address))
{
UpdateUI("Connection failed!", ConnectionResult.Failure);
return;
}
var response = await GetLatestReleaseFromGitHub(settings);
if (response.StatusCode != HttpStatusCode.OK)
{
UpdateUI("Connection failed!", ConnectionResult.Failure);
return;
}
var release = response.Data;
var currentVersion = Properties.Settings.Default["CurrentVersion"].ToString();
if (!release.Assets.Any() || new Version(release.TagName).CompareTo(new Version(currentVersion)) <= 0)
{
UpdateUI("Your release is up to date!", ConnectionResult.UpToDate, release);
return;
}
var dir = FileUtils.GetZombieDownloadsDirectory();
var downloaded = 0;
foreach (var asset in release.Assets)
{
var filePath = Path.Combine(dir, asset.Name);
if (GitHubUtils.DownloadAssets(settings, asset.Url, filePath))
{
downloaded++;
}
}
if (downloaded != release.Assets.Count)
{
UpdateUI("Failed to download assets!", ConnectionResult.Failure);
return;
}
// (Konrad) Let's get updated settings, they might be local, or remote.
// We need latest settings since there might be changes to the target locations.
ZombieSettings newSettings;
if (File.Exists(settings.SettingsLocation))
{
if (!SettingsUtils.TryGetStoredSettings(settings.SettingsLocation, out newSettings))
{
UpdateUI("Could not get latest local Zombie Settings!", ConnectionResult.Failure);
return;
}
}
else
{
if (!SettingsUtils.TryGetRemoteSettings(settings.SettingsLocation, out newSettings))
{
UpdateUI("Could not get latest remote Zombie Settings!", ConnectionResult.Failure);
return;
}
}
// (Konrad) Let's make sure that we own the files that we are trying to override
var fileStreams = new Dictionary <string, FileStream>();
foreach (var loc in newSettings.DestinationAssets)
{
foreach (var asset in loc.Assets)
{
if (asset.IsArchive())
{
if (LockAllContents(settings, asset, loc.DirectoryPath, out var zippedStreams))
{
fileStreams = fileStreams.Concat(zippedStreams).GroupBy(x => x.Key)
.ToDictionary(x => x.Key, x => x.First().Value);
continue;
}
UpdateUI("Could not get access to all ZIP contents!", ConnectionResult.Failure);
return;
}
var to = Path.Combine(FilePathUtils.CreateUserSpecificPath(loc.DirectoryPath), asset.Name);
try
{
var fs = new FileStream(to, FileMode.OpenOrCreate, FileAccess.ReadWrite,
FileShare.None);
fileStreams.Add(to, fs);
}
catch (Exception e)
{
UpdateUI(e.Message, ConnectionResult.Failure);
return;
}
}
}
// (Konrad) Move assets to target locations
foreach (var loc in newSettings.DestinationAssets)
{
foreach (var asset in loc.Assets)
{
if (asset.IsArchive())
{
if (ExtractToDirectory(asset, loc.DirectoryPath, fileStreams))
{
continue;
}
UpdateUI("Could not override existing ZIP contents!", ConnectionResult.Failure);
return;
}
var from = Path.Combine(dir, asset.Name);
var to = Path.Combine(FilePathUtils.CreateUserSpecificPath(loc.DirectoryPath), asset.Name);
// make sure that file is not locked
var stream = fileStreams[to];
stream?.Close();
if (FileUtils.Copy(@from, @to))
{
continue;
}
UpdateUI("Could not override existing file!", ConnectionResult.Failure);
return;
}
}
// (Konrad) Remove temporary assets
if (!FileUtils.DeleteDirectory(dir))
{
UpdateUI("Could not remove temporary download assets!", ConnectionResult.Failure);
return;
}
// (Konrad) Update UI and save current version
Properties.Settings.Default.CurrentVersion = release.TagName;
Properties.Settings.Default.Save();
_logger.Info("Successfully updated to version: " + release.TagName);
Messenger.Default.Send(new UpdateStatus {
Status = "Successfully updated to version: " + release.TagName
});
Messenger.Default.Send(new ReleaseDownloaded
{
Release = release,
Result = ConnectionResult.Success
});
}