/// <summary>
/// Unzips the data from <paramref name="packageData"/> and access <see cref="ModuleManifest"/>.
/// </summary>
/// <param name="packageData">The raw data of the package.</param>
/// <returns><see cref="ModuleInfo"/> object that has ModuleManifest found.</returns>
public IModuleInfo UnPack(byte[] packageData)
{
if (packageData == null)
{
throw new ArgumentNullException("packageData");
}
ZipFile zipFile = null;
ModuleManifest manifest = null;
try
{
zipFile = ZipFile.Read(packageData);
// find manifest inside the zip data
foreach (ZipEntry zipEntry in zipFile)
{
if (zipEntry.FileName.EndsWith(ModuleManifest.ManifestFileNameSuffix))
{
// use this file as manifest
var ms = new MemoryStream();
zipEntry.Extract(ms);
manifest = XmlSerializerHelper.Deserialize <ModuleManifest>(ms.ToArray());
// now search for the assembly described by this manifest, simply by iterating through zip entries
if (
!zipFile.Any(
entry =>
entry.FileName.EndsWith(".dll") | entry.FileName.EndsWith("exe")))
{
throw new ArgumentException("No assembly in the package");
}
}
}
}
catch (Exception e)
{
throw new InvalidDataException("The file is corrupted", e);
}
finally
{
if (zipFile != null)
{
zipFile.Dispose();
}
}
// have not found manifest
if (manifest == null)
{
throw new InvalidDataException("No manifest file in package");
}
return(new ModuleInfo
{
ModuleData = packageData,
Manifest = manifest
});
}
/// <summary>
/// Save this PXZ file to disk
/// </summary>
/// <param name="path">The file to save to/create</param>
public void Save(string path)
{
//delete the existing file (if it exists)
if (System.IO.File.Exists(path))
{
System.IO.File.Delete(path);
}
//new index attributes (don't override records though)
FileIndex.Author = PxzAuthor.FromCurrent();
var idxDoc = FileIndex.ToXml();
//deflate the content to save room (poster isn't compressed via Zlib)
var idxByte = GZipCompressor.CompressString(idxDoc.OuterXml);
//names of root format items
const string idxName = @"index";
const string recName = @"records";
//create a new temporary Zip file (in memory, not on disk)
using var archive = new ZipFile(path, Encoding.Default);
//add the indexing information to the PXZ
archive.AddEntry(idxName, idxByte);
//add records folder
archive.AddDirectoryByName(recName);
//traverse the records list
foreach (var r in Records)
{
//null records are skipped
if (r == null)
{
continue;
}
//convert to record string
var raw = r.ToRawForm();
//record name
var fileName = $"{recName}/{r.Header.Naming.StoredName}";
//add the ZIP entry of the file
if (!archive.Any(entry => entry.FileName.EndsWith(fileName)))
{
archive.AddEntry(fileName, raw);
}
}
//finalise ZIP file
archive.Save(path);
//cull the residual archive from memory
archive.Dispose();
}
public static void SignReady(string apkPath)
{
string zipPath;
zipPath = Path.ChangeExtension(apkPath, ".zip");
File.Move(apkPath, zipPath);
using (ZipFile zipFile = ZipFile.Read(zipPath))
{
bool folderExists = zipFile.Any(entry => entry.FileName.Contains("META-INF"));
if (folderExists)
{
zipFile.RemoveSelectedEntries("META-INF/");
}
zipFile.Save();
}
apkPath = Path.ChangeExtension(zipPath, ".apk");
File.Move(zipPath, apkPath);
}
private void DownloadZippedFiles(HttpContextBase httpContext, IEnumerable <DownloadItem> items)
{
if (httpContext == null)
{
throw new ArgumentNullException("httpContext", "Cannot be null.");
}
if (items == null)
{
throw new ArgumentNullException("items", "Cannot be null.");
}
using (ZipFile zf = new ZipFile())
{
Dictionary <string, int> duplicateNames = new Dictionary <string, int>();
foreach (DownloadItem item in items)
{
string fileName = GetFullFileName(item.FileName, item.Extension);
// Handle duplicates:
if (zf.Any(i => i.FileName == fileName))
{
if (duplicateNames.ContainsKey(fileName))
{
duplicateNames[fileName]++;
}
else
{
duplicateNames.Add(fileName, 2);
}
fileName = GetFullFileName(item.FileName + string.Format(" ({0})", duplicateNames[fileName]), item.Extension);
}
zf.AddEntry(fileName, item.Data);
}
httpContext.Response.ContentType = "application/zip";
httpContext.Response.AppendHeader("content-disposition", string.Format("attachment; filename={0}.zip", _packageFileName));
zf.Save(httpContext.Response.OutputStream);
}
}
public override ContentDirectory GetDirectory(string relativePath)
{
relativePath = relativePath.ToForwardSlashes();
//this slash will be removed later, but we need it to make sure we are matching mod/ and not mod.txt
if (!relativePath.EndsWith("/"))
{
relativePath = relativePath + "/";
}
var sourceRelativePath = Path.Combine(this.SourceRelativePath, relativePath).ToLower();
var exists = _zip.Any(p => p.FileName.ToLower().StartsWith(sourceRelativePath));
if (exists)
{
return(new ZipFileDirectory(_zip, sourceRelativePath, IsCoreGame));
}
else
{
return(null);
}
}
/// ------------------------------------------------------------------------------------
public static string GetProjectNameFromBackupFile(string backupFile)
{
if (!ZipFile.IsZipFile(backupFile, true))
{
return(null);
}
using (var zip = new ZipFile(backupFile))
{
if (!zip.Any(ze => ze.FileName == kBackupInfoFileName))
{
return(null);
}
zip.ExtractSelectedEntries(kBackupInfoFileName, string.Empty,
Path.GetTempPath(), ExtractExistingFileAction.OverwriteSilently);
var infoFile = Path.Combine(Path.GetTempPath(), kBackupInfoFileName);
var root = XElement.Load(infoFile);
try { File.Delete(infoFile); }
catch { }
return((string)root.Element("project"));
}
}
public bool IsFileExist(string path)
{
return(zip.Any(entry => entry.FileName == path));
}
