//Added by daRedLoCo
/// <summary>
/// Extracts a ZipArchive to a destination (with overwrite functionality and ZipSettings inside the archive)
/// </summary>
/// <param name="archive">The archive to unpack</param>
/// <param name="destinationDirectoryName">The destination directory</param>
/// <param name="overwrite">If true, it will overwrite the content inside the destination directory</param>
public static bool ExtractWithSettings(this ZipArchive archive, string destinationDirectoryName, bool overwrite)
{
ZipSettings settings = null;
bool extractionSuccessful = true;
if (archive.GetEntry("zipsettings.json") != null)
{
settings = ZipSettings.FromStream(archive.GetEntry("zipsettings.json").Open());
}
if (settings == null || settings.Subfolders.Count < 1)
{
return(ExtractToDirectory(archive, destinationDirectoryName, overwrite));
}
Uninstaller uninstaller = new Uninstaller(destinationDirectoryName);
foreach (ZipArchiveEntry file in archive.Entries)
{
string completeFileName = Path.Combine(destinationDirectoryName, settings.GetSubfolder(file.FullName), file.FullName);
string directory = Path.GetDirectoryName(completeFileName);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
if (!string.IsNullOrEmpty(file.Name) && file.Name != "zipsettings.json")
{
while (!Utils.CanBeWrittenTo(completeFileName))
{
if (DialogResult.Cancel == MessageBox.Show($"The file '{completeFileName}' is locked or in use and can't be overwritten! Please close the process thats blocking it and press OK or press CANCEL to stop the installing process.", "Warning!", MessageBoxButtons.RetryCancel, MessageBoxIcon.Warning))
{
MessageBox.Show("Can't progress with the installation!", "Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
extractionSuccessful = false;
break;
}
}
if (!extractionSuccessful)
{
break;
}
file.ExtractToFile(completeFileName, overwrite);
uninstaller.files.Add(completeFileName);
}
}
if (Settings.Uninstall)
{
uninstaller.GenerateFile();
}
if (!extractionSuccessful)
{
return(false);
}
return(true);
}
/// <summary>
/// Returns the ZipSettings from a Stream
/// </summary>
/// <param name="stream">The stream with the ZipSettings</param>
/// <returns>A ZipSettings object</returns>
public static ZipSettings FromStream(Stream stream)
{
using (StreamReader reader = new StreamReader(stream))
{
try
{
string jsonstr = reader.ReadToEnd();
ZipSettings zs = new ZipSettings();
JObject obj = JsonConvert.DeserializeObject <JObject>(jsonstr);
JArray foldersarray = obj.Value <JArray>("Subfolders");
foreach (JObject subdir in foldersarray.Children <JObject>())
{
SubFolder sub = new SubFolder();
foreach (var dict in subdir)
{
sub.Name = dict.Key;
foreach (JToken token in dict.Value.Children <JToken>().ToList())
{
Utils.ZipType ztype = Utils.FileOrDir(token.Value <string>());
if (ztype == Utils.ZipType.File)
{
sub.Files.Add(token.Value <string>());
}
else if (ztype == Utils.ZipType.Directory)
{
sub.Directories.Add(token.Value <string>());
}
}
}
zs.Subfolders.Add(sub);
}
return(zs);
}
catch (Exception ex)
{
MainWindow.Instance.WriteLog("There was an error while reading the ZipSettings! => " + ex.Message);
return(null);
}
}
}
