private void WriteRandomBytes(BinaryWriter writer, OptionInfo optionData)
{
byte[] randomBytes = optionData.RandomBytes;
if (optionData.IsCreateRandomBytes)
{
// 创建随机序列
Random r = new Random((int)DateTime.Now.Ticks);
int byteCount = r.Next(5, 10); // 随机序列长度
randomBytes = new byte[byteCount];
for (int i = 0; i < randomBytes.Length; i++)
{
randomBytes[i] = (byte)r.Next(0, 255);
}
}
else
{
// 不创建随机序列
if (randomBytes == null)
{
randomBytes = new byte[0];
}
}
writer.Write(randomBytes.Length);
writer.Write(randomBytes, 0, randomBytes.Length);
}
private void WriteFile(BinaryWriter writer, OptionInfo optionData, List <AddFileInfo> addFileData)
{
// 封装文件个数
writer.Write(addFileData.Count);
// 封装每个文件
for (int i = 0; i < addFileData.Count; i++)
{
var file = addFileData[i];
byte[] fileData = null;
if (optionData.IsCompressFile)
{
// 压缩文件
using (var fs = System.IO.File.OpenRead(file.SourceFilePath))
{
fileData = CompressFile(fs);
}
}
else
{
// 不压缩文件
fileData = System.IO.File.ReadAllBytes(file.SourceFilePath);
}
writer.Write(fileData.Length);
writer.Write(fileData);
}
}
private void ReadFile(BinaryReader reader, OptionInfo optionData, List <AddFileInfo> addFileData)
{
int fileCount = reader.ReadInt32();
if (addFileData.Count != fileCount)
{
throw new Exception("程序被篡改");
}
for (int i = 0; i < fileCount; i++)
{
var fileInfo = addFileData[i];
var fileLen = reader.ReadInt32();
var fileBytes = new byte[fileLen];
reader.Read(fileBytes, 0, fileBytes.Length);
if (optionData.IsCompressFile)
{
fileBytes = Decompress(new MemoryStream(fileBytes));
}
System.IO.File.WriteAllBytes(fileInfo.OuputFilePath, fileBytes);
}
}
private byte[] ReadRandomBytes(BinaryReader reader, OptionInfo optionData)
{
int byteCount = reader.ReadInt32();
return(reader.ReadBytes(byteCount));
}
