public void WriteEntryInfo(Stream outStream)
{
var entryBytes = GetFileEntryByes();
SimpleCipher.EncryptBytes(entryBytes);
outStream.Write(entryBytes, 0, entryBytes.Length); // 文件项内容
FileEntryLength = entryBytes.Length;
}
public void WriteLengthInfo(Stream outStream)
{
var bytes1 = BitConverter.GetBytes(OriginalLength);
var bytes2 = BitConverter.GetBytes(GZipFileLength);
var bytes3 = BitConverter.GetBytes(FileEntryLength);
SimpleCipher.EncryptBytes(bytes1);
SimpleCipher.EncryptBytes(bytes2);
SimpleCipher.EncryptBytes(bytes3);
outStream.Write(bytes1, 0, bytes1.Length);
outStream.Write(bytes2, 0, bytes2.Length);
outStream.Write(bytes3, 0, bytes3.Length);
}
public void ReadLengthInfo(Stream srcStream)
{
var bytes1 = new byte[4];
var bytes2 = new byte[4];
var bytes3 = new byte[4];
srcStream.Read(bytes1, 0, bytes1.Length);
srcStream.Read(bytes2, 0, bytes2.Length);
srcStream.Read(bytes3, 0, bytes3.Length);
SimpleCipher.EncryptBytes(bytes1);
SimpleCipher.EncryptBytes(bytes2);
SimpleCipher.EncryptBytes(bytes3);
OriginalLength = BitConverter.ToInt32(bytes1, 0);
GZipFileLength = BitConverter.ToInt32(bytes2, 0);
FileEntryLength = BitConverter.ToInt32(bytes3, 0);
}
public void ReadEntryInfo(Stream srcStream)
{
var entryBytes = new byte[FileEntryLength];
srcStream.Read(entryBytes, 0, entryBytes.Length); // FileEntry 字节
SimpleCipher.EncryptBytes(entryBytes);
var entryStr = Encoding.Default.GetString(entryBytes); // 不能用 ASCII, 要处理汉字
var strArray = entryStr.Split('|');
var lastWriteTimeticks = long.Parse(strArray[3]);
var lastAccessTimeticks = long.Parse(strArray[4]);
var lastCreateTimeticks = long.Parse(strArray[5]);
_lastWriteTime = new DateTime(lastWriteTimeticks);
_lastAccessTime = new DateTime(lastAccessTimeticks);
_creationTime = new DateTime(lastCreateTimeticks);
FileFullName = strArray[6];
}
