|
private static AddExtraDataAES ( |
||
| entry | ||
| extraData | ||
| return | void | |
public override void Finish()
{
if (this.entries == null)
{
return;
}
if (this.curEntry != null)
{
this.CloseEntry();
}
long noOfEntries = (long)this.entries.Count;
long num = 0L;
foreach (ZipEntry zipEntry in this.entries)
{
this.WriteLeInt(33639248);
this.WriteLeShort(51);
this.WriteLeShort(zipEntry.Version);
this.WriteLeShort(zipEntry.Flags);
this.WriteLeShort((int)((short)zipEntry.CompressionMethodForHeader));
this.WriteLeInt((int)zipEntry.DosTime);
this.WriteLeInt((int)zipEntry.Crc);
if (zipEntry.IsZip64Forced() || zipEntry.CompressedSize >= (long)((ulong)-1))
{
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt((int)zipEntry.CompressedSize);
}
if (zipEntry.IsZip64Forced() || zipEntry.Size >= (long)((ulong)-1))
{
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt((int)zipEntry.Size);
}
byte[] array = ZipConstants.ConvertToArray(zipEntry.Flags, zipEntry.Name);
if (array.Length > 65535)
{
throw new ZipException("Name too long.");
}
ZipExtraData zipExtraData = new ZipExtraData(zipEntry.ExtraData);
if (zipEntry.CentralHeaderRequiresZip64)
{
zipExtraData.StartNewEntry();
if (zipEntry.IsZip64Forced() || zipEntry.Size >= (long)((ulong)-1))
{
zipExtraData.AddLeLong(zipEntry.Size);
}
if (zipEntry.IsZip64Forced() || zipEntry.CompressedSize >= (long)((ulong)-1))
{
zipExtraData.AddLeLong(zipEntry.CompressedSize);
}
if (zipEntry.Offset >= (long)((ulong)-1))
{
zipExtraData.AddLeLong(zipEntry.Offset);
}
zipExtraData.AddNewEntry(1);
}
else
{
zipExtraData.Delete(1);
}
if (zipEntry.AESKeySize > 0)
{
ZipOutputStream.AddExtraDataAES(zipEntry, zipExtraData);
}
byte[] entryData = zipExtraData.GetEntryData();
byte[] array2 = (zipEntry.Comment == null) ? new byte[0] : ZipConstants.ConvertToArray(zipEntry.Flags, zipEntry.Comment);
if (array2.Length > 65535)
{
throw new ZipException("Comment too long.");
}
this.WriteLeShort(array.Length);
this.WriteLeShort(entryData.Length);
this.WriteLeShort(array2.Length);
this.WriteLeShort(0);
this.WriteLeShort(0);
if (zipEntry.ExternalFileAttributes != -1)
{
this.WriteLeInt(zipEntry.ExternalFileAttributes);
}
else if (zipEntry.IsDirectory)
{
this.WriteLeInt(16);
}
else
{
this.WriteLeInt(0);
}
if (zipEntry.Offset >= (long)((ulong)-1))
{
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt((int)zipEntry.Offset);
}
if (array.Length > 0)
{
this.baseOutputStream_.Write(array, 0, array.Length);
}
if (entryData.Length > 0)
{
this.baseOutputStream_.Write(entryData, 0, entryData.Length);
}
if (array2.Length > 0)
{
this.baseOutputStream_.Write(array2, 0, array2.Length);
}
num += (long)(46 + array.Length + entryData.Length + array2.Length);
}
using (ZipHelperStream zipHelperStream = new ZipHelperStream(this.baseOutputStream_))
{
zipHelperStream.WriteEndOfCentralDirectory(noOfEntries, num, this.offset, this.zipComment);
}
this.entries = null;
}
public void PutNextEntry(ZipEntry entry)
{
if (entry == null)
{
throw new ArgumentNullException("entry");
}
if (this.entries == null)
{
throw new InvalidOperationException("ZipOutputStream was finished");
}
if (this.curEntry != null)
{
this.CloseEntry();
}
if (this.entries.Count == 2147483647)
{
throw new ZipException("Too many entries for Zip file");
}
CompressionMethod compressionMethod = entry.CompressionMethod;
int level = this.defaultCompressionLevel;
entry.Flags &= 2048;
this.patchEntryHeader = false;
bool flag;
if (entry.Size == 0L)
{
entry.CompressedSize = entry.Size;
entry.Crc = 0L;
compressionMethod = CompressionMethod.Stored;
flag = true;
}
else
{
flag = (entry.Size >= 0L && entry.HasCrc && entry.CompressedSize >= 0L);
if (compressionMethod == CompressionMethod.Stored)
{
if (!flag)
{
if (!base.CanPatchEntries)
{
compressionMethod = CompressionMethod.Deflated;
level = 0;
}
}
else
{
entry.CompressedSize = entry.Size;
flag = entry.HasCrc;
}
}
}
if (!flag)
{
if (!base.CanPatchEntries)
{
entry.Flags |= 8;
}
else
{
this.patchEntryHeader = true;
}
}
if (base.Password != null)
{
entry.IsCrypted = true;
if (entry.Crc < 0L)
{
entry.Flags |= 8;
}
}
entry.Offset = this.offset;
entry.CompressionMethod = compressionMethod;
this.curMethod = compressionMethod;
this.sizePatchPos = -1L;
if (this.useZip64_ == UseZip64.On || (entry.Size < 0L && this.useZip64_ == UseZip64.Dynamic))
{
entry.ForceZip64();
}
this.WriteLeInt(67324752);
this.WriteLeShort(entry.Version);
this.WriteLeShort(entry.Flags);
this.WriteLeShort((int)((byte)entry.CompressionMethodForHeader));
this.WriteLeInt((int)entry.DosTime);
if (flag)
{
this.WriteLeInt((int)entry.Crc);
if (entry.LocalHeaderRequiresZip64)
{
this.WriteLeInt(-1);
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt((!entry.IsCrypted) ? ((int)entry.CompressedSize) : ((int)entry.CompressedSize + 12));
this.WriteLeInt((int)entry.Size);
}
}
else
{
if (this.patchEntryHeader)
{
this.crcPatchPos = this.baseOutputStream_.Position;
}
this.WriteLeInt(0);
if (this.patchEntryHeader)
{
this.sizePatchPos = this.baseOutputStream_.Position;
}
if (entry.LocalHeaderRequiresZip64 || this.patchEntryHeader)
{
this.WriteLeInt(-1);
this.WriteLeInt(-1);
}
else
{
this.WriteLeInt(0);
this.WriteLeInt(0);
}
}
byte[] array = ZipConstants.ConvertToArray(entry.Flags, entry.Name);
if (array.Length > 65535)
{
throw new ZipException("Entry name too long.");
}
ZipExtraData zipExtraData = new ZipExtraData(entry.ExtraData);
if (entry.LocalHeaderRequiresZip64)
{
zipExtraData.StartNewEntry();
if (flag)
{
zipExtraData.AddLeLong(entry.Size);
zipExtraData.AddLeLong(entry.CompressedSize);
}
else
{
zipExtraData.AddLeLong(-1L);
zipExtraData.AddLeLong(-1L);
}
zipExtraData.AddNewEntry(1);
if (!zipExtraData.Find(1))
{
throw new ZipException("Internal error cant find extra data");
}
if (this.patchEntryHeader)
{
this.sizePatchPos = (long)zipExtraData.CurrentReadIndex;
}
}
else
{
zipExtraData.Delete(1);
}
if (entry.AESKeySize > 0)
{
ZipOutputStream.AddExtraDataAES(entry, zipExtraData);
}
byte[] entryData = zipExtraData.GetEntryData();
this.WriteLeShort(array.Length);
this.WriteLeShort(entryData.Length);
if (array.Length > 0)
{
this.baseOutputStream_.Write(array, 0, array.Length);
}
if (entry.LocalHeaderRequiresZip64 && this.patchEntryHeader)
{
this.sizePatchPos += this.baseOutputStream_.Position;
}
if (entryData.Length > 0)
{
this.baseOutputStream_.Write(entryData, 0, entryData.Length);
}
this.offset += (long)(30 + array.Length + entryData.Length);
if (entry.AESKeySize > 0)
{
this.offset += (long)entry.AESOverheadSize;
}
this.curEntry = entry;
this.crc.Reset();
if (compressionMethod == CompressionMethod.Deflated)
{
this.deflater_.Reset();
this.deflater_.SetLevel(level);
}
this.size = 0L;
if (entry.IsCrypted)
{
if (entry.AESKeySize > 0)
{
this.WriteAESHeader(entry);
}
else if (entry.Crc < 0L)
{
this.WriteEncryptionHeader(entry.DosTime << 16);
}
else
{
this.WriteEncryptionHeader(entry.Crc);
}
}
}
