public ZipEntry(ZipEntry entry)
{
this.externalFileAttributes = -1;
this.method = ICSharpCode.SharpZipLib.Zip.CompressionMethod.Deflated;
this.zipFileIndex = -1L;
if (entry == null)
{
throw new ArgumentNullException("entry");
}
this.known = entry.known;
this.name = entry.name;
this.size = entry.size;
this.compressedSize = entry.compressedSize;
this.crc = entry.crc;
this.dosTime = entry.dosTime;
this.method = entry.method;
this.comment = entry.comment;
this.versionToExtract = entry.versionToExtract;
this.versionMadeBy = entry.versionMadeBy;
this.externalFileAttributes = entry.externalFileAttributes;
this.flags = entry.flags;
this.zipFileIndex = entry.zipFileIndex;
this.offset = entry.offset;
this.forceZip64_ = entry.forceZip64_;
if (entry.extra != null)
{
this.extra = new byte[entry.extra.Length];
Array.Copy(entry.extra, 0, this.extra, 0, entry.extra.Length);
}
}
public ZipEntry(ZipEntry entry)
{
this.externalFileAttributes = -1;
this.method = ICSharpCode.SharpZipLib.Zip.CompressionMethod.Deflated;
this.zipFileIndex = -1L;
if (entry == null)
{
throw new ArgumentNullException("entry");
}
this.known = entry.known;
this.name = entry.name;
this.size = entry.size;
this.compressedSize = entry.compressedSize;
this.crc = entry.crc;
this.dosTime = entry.dosTime;
this.method = entry.method;
this.comment = entry.comment;
this.versionToExtract = entry.versionToExtract;
this.versionMadeBy = entry.versionMadeBy;
this.externalFileAttributes = entry.externalFileAttributes;
this.flags = entry.flags;
this.zipFileIndex = entry.zipFileIndex;
this.offset = entry.offset;
this.forceZip64_ = entry.forceZip64_;
if (entry.extra != null)
{
this.extra = new byte[entry.extra.Length];
Array.Copy(entry.extra, 0, this.extra, 0, entry.extra.Length);
}
}
public static bool IsCompressionMethodSupported(ICSharpCode.SharpZipLib.Zip.CompressionMethod method)
{
if (method != ICSharpCode.SharpZipLib.Zip.CompressionMethod.Deflated)
{
return(method == ICSharpCode.SharpZipLib.Zip.CompressionMethod.Stored);
}
return(true);
}
internal ZipEntry(string name, int versionRequiredToExtract, int madeByInfo, ICSharpCode.SharpZipLib.Zip.CompressionMethod method)
{
this.externalFileAttributes = -1;
this.method = ICSharpCode.SharpZipLib.Zip.CompressionMethod.Deflated;
this.zipFileIndex = -1L;
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name.Length > 0xffff)
{
throw new ArgumentException("Name is too long", "name");
}
if ((versionRequiredToExtract != 0) && (versionRequiredToExtract < 10))
{
throw new ArgumentOutOfRangeException("versionRequiredToExtract");
}
this.DateTime = System.DateTime.Now;
this.name = CleanName(name);
this.versionMadeBy = (ushort)madeByInfo;
this.versionToExtract = (ushort)versionRequiredToExtract;
this.method = method;
}
private void ProcessAESExtraData(ZipExtraData extraData)
{
if (!extraData.Find(0x9901))
{
throw new ZipException("AES Extra Data missing");
}
this.versionToExtract = 0x33;
this.Flags |= 0x40;
int valueLength = extraData.ValueLength;
if (valueLength < 7)
{
throw new ZipException("AES Extra Data Length " + valueLength + " invalid.");
}
int num2 = extraData.ReadShort();
int num3 = extraData.ReadShort();
int num4 = extraData.ReadByte();
int num5 = extraData.ReadShort();
this._aesVer = num2;
this._aesEncryptionStrength = num4;
this.method = (ICSharpCode.SharpZipLib.Zip.CompressionMethod)num5;
}
internal ZipEntry(string name, int versionRequiredToExtract, int madeByInfo, ICSharpCode.SharpZipLib.Zip.CompressionMethod method)
{
this.externalFileAttributes = -1;
this.method = ICSharpCode.SharpZipLib.Zip.CompressionMethod.Deflated;
this.zipFileIndex = -1L;
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name.Length > 0xffff)
{
throw new ArgumentException("Name is too long", "name");
}
if ((versionRequiredToExtract != 0) && (versionRequiredToExtract < 10))
{
throw new ArgumentOutOfRangeException("versionRequiredToExtract");
}
this.DateTime = System.DateTime.Now;
this.name = CleanName(name);
this.versionMadeBy = (ushort) madeByInfo;
this.versionToExtract = (ushort) versionRequiredToExtract;
this.method = method;
}
public static bool IsCompressionMethodSupported(ICSharpCode.SharpZipLib.Zip.CompressionMethod method) => ((method == ICSharpCode.SharpZipLib.Zip.CompressionMethod.Deflated) || (method == ICSharpCode.SharpZipLib.Zip.CompressionMethod.Stored));
private void ProcessAESExtraData(ZipExtraData extraData)
{
if (!extraData.Find(0x9901))
{
throw new ZipException("AES Extra Data missing");
}
this.versionToExtract = 0x33;
this.Flags |= 0x40;
int valueLength = extraData.ValueLength;
if (valueLength < 7)
{
throw new ZipException("AES Extra Data Length " + valueLength + " invalid.");
}
int num2 = extraData.ReadShort();
extraData.ReadShort();
int num3 = extraData.ReadByte();
int num4 = extraData.ReadShort();
this._aesVer = num2;
this._aesEncryptionStrength = num3;
this.method = (ICSharpCode.SharpZipLib.Zip.CompressionMethod) num4;
}
