public ZipWritingStream(ZipWriter writer, Stream originalStream, ZipCentralDirectoryEntry entry, CompressionInfo compressionInfo)
{
this.writer = writer;
this.entry = entry;
this.compressionInfo = compressionInfo == null ? writer.zipCompressionInfo : new ZipCompressionInfo(compressionInfo);
writeStream = GetWriteStream(originalStream);
}
internal ZipWritingStream(ZipWriter writer, Stream originalStream, ZipCentralDirectoryEntry entry)
{
this.writer = writer;
this.originalStream = originalStream;
writeStream = GetWriteStream(originalStream);
this.writer = writer;
this.entry = entry;
}
public Stream WriteToStream(string entryPath, DateTime?modificationTime, string comment, string password = null, Crc32?crc = null, CompressionInfo compressionInfo = null)
{
entryPath = NormalizeFilename(entryPath);
modificationTime = modificationTime ?? DateTime.Now;
comment = comment ?? string.Empty;
var explicitPassword = password ?? this.password;
bool doEncryption = !String.IsNullOrEmpty(explicitPassword);
var entry = new ZipCentralDirectoryEntry()
{
Comment = comment,
FileName = entryPath,
ModificationTime = modificationTime,
HeaderOffset = (uint)streamPosition,
IsEncrypted = doEncryption
};
var headersize = (uint)WriteHeader(entryPath, modificationTime, doEncryption, compressionInfo);
Stream outputStream;
if (doEncryption)
{
byte[] encryptionHeader;
PkwareTraditionalEncryptionData pkwareTraditionalEncryptionData;
if (OutputStream.CanSeek)
{
if (crc.HasValue)
{
pkwareTraditionalEncryptionData = PkwareTraditionalEncryptionData.ForWrite(explicitPassword, (uint)(int)crc, out encryptionHeader);
}
else
{
throw new ArgumentNullException(nameof(crc), "Crc32 must be provided when password is set and target archive stream supports seeking");
}
}
else
{
pkwareTraditionalEncryptionData = PkwareTraditionalEncryptionData.ForWrite(explicitPassword, modificationTime, out encryptionHeader);
}
OutputStream.Write(encryptionHeader, 0, encryptionHeader.Length);
entry.Compressed += (uint)encryptionHeader.Length;
outputStream = new PkwareTraditionalCryptoStream(OutputStream, pkwareTraditionalEncryptionData, CryptoMode.Encrypt);
}
else
{
outputStream = OutputStream;
}
streamPosition += headersize;
return(new ZipWritingStream(this, outputStream, entry, compressionInfo));
}
public Stream WriteToStream(string entryPath, DateTime? modificationTime, string comment, CompressionInfo compressionInfo)
{
entryPath = this.NormalizeFilename(entryPath);
DateTime? nullable = modificationTime;
modificationTime = new DateTime?(nullable.HasValue ? nullable.GetValueOrDefault() : DateTime.Now);
comment = comment ?? "";
ZipCentralDirectoryEntry entry2 = new ZipCentralDirectoryEntry();
entry2.Comment = comment;
entry2.FileName = entryPath;
entry2.ModificationTime = modificationTime;
entry2.HeaderOffset = (uint) this.streamPosition;
ZipCentralDirectoryEntry entry = entry2;
uint num = (uint) this.WriteHeader(entryPath, modificationTime, compressionInfo);
this.streamPosition += num;
return new ZipWritingStream(this, base.OutputStream, entry);
}
public Stream WriteToStream(string entryPath, DateTime?modificationTime, string comment)
{
entryPath = NormalizeFilename(entryPath);
modificationTime = modificationTime ?? DateTime.Now;
comment = comment ?? "";
var entry = new ZipCentralDirectoryEntry
{
Comment = comment,
FileName = entryPath,
ModificationTime = modificationTime,
HeaderOffset = (uint)streamPosition,
};
var headersize = (uint)WriteHeader(entryPath, modificationTime);
streamPosition += headersize;
return(new ZipWritingStream(this, OutputStream, entry));
}
public Stream WriteToStream(string entryPath, DateTime? modificationTime, string comment, CompressionInfo compressionInfo = null)
{
entryPath = NormalizeFilename(entryPath);
modificationTime = modificationTime ?? DateTime.Now;
comment = comment ?? "";
var entry = new ZipCentralDirectoryEntry
{
Comment = comment,
FileName = entryPath,
ModificationTime = modificationTime,
HeaderOffset = (uint) streamPosition,
};
var headersize = (uint)WriteHeader(entryPath, modificationTime, compressionInfo);
streamPosition += headersize;
return new ZipWritingStream(this, OutputStream, entry, compressionInfo);
}
public Stream WriteToStream(string entryPath, DateTime?modificationTime, string comment, CompressionInfo compressionInfo)
{
entryPath = this.NormalizeFilename(entryPath);
DateTime?nullable = modificationTime;
modificationTime = new DateTime?(nullable.HasValue ? nullable.GetValueOrDefault() : DateTime.Now);
comment = comment ?? "";
ZipCentralDirectoryEntry entry2 = new ZipCentralDirectoryEntry();
entry2.Comment = comment;
entry2.FileName = entryPath;
entry2.ModificationTime = modificationTime;
entry2.HeaderOffset = (uint)this.streamPosition;
ZipCentralDirectoryEntry entry = entry2;
uint num = (uint)this.WriteHeader(entryPath, modificationTime, compressionInfo);
this.streamPosition += num;
return(new ZipWritingStream(this, base.OutputStream, entry));
}
internal ZipWritingStream(ZipWriter writer, Stream originalStream, ZipCentralDirectoryEntry entry, CompressionInfo compressionInfo)
{
this.writer = writer;
this.originalStream = originalStream;
this.writer = writer;
this.entry = entry;
this.compressionInfo = compressionInfo == null ? writer.zipCompressionInfo : new ZipCompressionInfo(compressionInfo);
writeStream = GetWriteStream(originalStream);
}
internal ZipWritingStream(ZipWriter writer, Stream originalStream, ZipCentralDirectoryEntry entry)
{
this.writer = writer;
this.originalStream = originalStream;
writeStream = GetWriteStream(originalStream);
this.writer = writer;
this.entry = entry;
}
