using System;
using System.IO ;
using System.Text ;
namespace SuperData.ASP
{
/// <summary>
/// ASP破解程序
/// 功能:
/// 1.加密一个文件：EncodeFile(源文件,目标文件),EncodeFile(源目录,目标目录,文件名)
/// 2.解密一个文件：DecodeFile(源文件,目标文件),DecodeFile(源目录,目标目录,文件名)
/// 3.加密一个目录：EncodeFolder(源目录,目标目录[,递归子目录])
/// 4.解密一个目录：DecodeFolder(源目录,目标目录[,递归子目录])
/// 原作者：wanghr100(灰豆宝宝.net)
/// 修改者：satchmo
/// 更新日期：2005-5-24
/// </summary>
public class ASPDecode
{
private enum enumState
{
stateNull = 0 ,
stateCopyInput = 100,
stateReadLen = 101,
stateDecode = 102,
stateUnescape = 103
};
int[] pick_encoding = {
1, 2, 0, 1, 2, 0, 2, 0, 0, 2, 0, 2, 1, 0, 2, 0,
1, 0, 2, 0, 1, 1, 2, 0, 0, 2, 1, 0, 2, 0, 0, 2,
1, 1, 0, 2, 0, 2, 0, 1, 0, 1, 1, 2, 0, 1, 0, 2,
1, 0, 2, 0, 1, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 2
};
int[] rawData = {
0x64,0x37,0x69, 0x50,0x7E,0x2C, 0x22,0x5A,0x65, 0x4A,0x45,0x72,
0x61,0x3A,0x5B, 0x5E,0x79,0x66, 0x5D,0x59,0x75, 0x5B,0x27,0x4C,
0x42,0x76,0x45, 0x60,0x63,0x76, 0x23,0x62,0x2A, 0x65,0x4D,0x43,
0x5F,0x51,0x33, 0x7E,0x53,0x42, 0x4F,0x52,0x20, 0x52,0x20,0x63,
0x7A,0x26,0x4A, 0x21,0x54,0x5A, 0x46,0x71,0x38, 0x20,0x2B,0x79,
0x26,0x66,0x32, 0x63,0x2A,0x57, 0x2A,0x58,0x6C, 0x76,0x7F,0x2B,
0x47,0x7B,0x46, 0x25,0x30,0x52, 0x2C,0x31,0x4F, 0x29,0x6C,0x3D,
0x69,0x49,0x70, 0x3F,0x3F,0x3F, 0x27,0x78,0x7B, 0x3F,0x3F,0x3F,
0x67,0x5F,0x51, 0x3F,0x3F,0x3F, 0x62,0x29,0x7A, 0x41,0x24,0x7E,
0x5A,0x2F,0x3B, 0x66,0x39,0x47, 0x32,0x33,0x41, 0x73,0x6F,0x77,
0x4D,0x21,0x56, 0x43,0x75,0x5F, 0x71,0x28,0x26, 0x39,0x42,0x78,
0x7C,0x46,0x6E, 0x53,0x4A,0x64, 0x48,0x5C,0x74, 0x31,0x48,0x67,
0x72,0x36,0x7D, 0x6E,0x4B,0x68, 0x70,0x7D,0x35, 0x49,0x5D,0x22,
0x3F,0x6A,0x55, 0x4B,0x50,0x3A, 0x6A,0x69,0x60, 0x2E,0x23,0x6A,
0x7F,0x09,0x71, 0x28,0x70,0x6F, 0x35,0x65,0x49, 0x7D,0x74,0x5C,
0x24,0x2C,0x5D, 0x2D,0x77,0x27, 0x54,0x44,0x59, 0x37,0x3F,0x25,
0x7B,0x6D,0x7C, 0x3D,0x7C,0x23, 0x6C,0x43,0x6D, 0x34,0x38,0x28,
0x6D,0x5E,0x31, 0x4E,0x5B,0x39, 0x2B,0x6E,0x7F, 0x30,0x57,0x36,
0x6F,0x4C,0x54, 0x74,0x34,0x34, 0x6B,0x72,0x62, 0x4C,0x25,0x4E,
0x33,0x56,0x30, 0x56,0x73,0x5E, 0x3A,0x68,0x73, 0x78,0x55,0x09,
0x57,0x47,0x4B, 0x77,0x32,0x61, 0x3B,0x35,0x24, 0x44,0x2E,0x4D,
0x2F,0x64,0x6B, 0x59,0x4F,0x44, 0x45,0x3B,0x21, 0x5C,0x2D,0x37,
0x68,0x41,0x53, 0x36,0x61,0x58, 0x58,0x7A,0x48, 0x79,0x22,0x2E,
0x09,0x60,0x50, 0x75,0x6B,0x2D, 0x38,0x4E,0x29, 0x55,0x3D,0x3F
};
private char[,] transformed;
private int[] digits;
string undigits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
/// <summary>
/// ASP DECODE构造函数
/// </summary>
public ASPDecode()
{
//
// TODO: 在此处添加构造函数逻辑
//
transformed = new char[3,0x80];
for(int i=0; i<96; i++)
{
for(int j=0; j<3; j++)
{
transformed[j,rawData[i * 3 + j]] = (char)((i==0) ? 9 : i + 31);
}
}
Console.WriteLine ("============================MapTable============================");
for(int i = 0;i < 3;i ++)
{
for(int j = 0;j < 0x80;j ++)
{
if(transformed[i,j] != '\0')
{
if(transformed[i,j] == '\t')
Console.Write (" ");
else
Console.Write (transformed[i,j]);
}
if(j == 0x60)
{
Console.WriteLine (" ->");
}
}
Console.WriteLine ();
}
Console.WriteLine ("================================================================");
digits = new int[0x80];
for (int i=0; i<26; i++)
{
digits[0x41+i] = i;
digits[0x61+i] = i+26;
}
for (int i=0; i<10; i++)
{
digits[0x30+i] = i+52;
}
digits[0x2b] = 62;
digits[0x2f] = 63;
}
#region public bool DecodeFile(string source , string dest[ , string file])
/// <summary>
/// 打开文件source,Encode解密,重写该文件
/// </summary>
/// <param name="source">源文件路径</param>
/// <param name="dest" >目标文件路径</param>
/// eg.Response.Write(DncodeFile(Server.MapPath("conn.asp")));
/// au.wanghr100(灰豆宝宝.net)
/// md.satchmo
/// up.2005-7-23 12:48
/// <returns>是否成功</returns>
public bool DecodeFile(string source , string dest)
{
if(System.IO .File .Exists (source))
{
try
{
StreamReader reader = new StreamReader(source , Encoding.Default );
string sFileText = reader.ReadToEnd ();
reader.Close ();
StreamWriter write = new StreamWriter (dest , false , Encoding.Default );
write.Write (strdec(sFileText));
write.Close ();
return true;
}
catch
{
return false;
}
}
else
{
return false;
}
}
/// <summary>
/// 解密ASP文件
/// </summary>
/// <param name="sourcePath">文件源路径</param>
/// <param name="destPath">文件目标路径</param>
/// <param name="file">文件名，源，目标文件名一致</param>
/// <returns>解密成功返回TRUE</returns>
public bool DecodeFile(string sourcePath , string destPath , string file)
{
return DecodeFile(string.Format ("{0}\\{1}" , sourcePath , file) ,
string.Format ("{0}\\{1}" , destPath , file));
}
#endregion
#region public bool EncodeFile(string source , string dest[ , string file])
/// <summary>
/// 加密ASP文件
/// </summary>
/// <param name="source">源文件</param>
/// <param name="dest">目标文件</param>
/// <returns>加密成功否</returns>
public bool EncodeFile(string source , string dest)
{
if(System.IO .File .Exists (source))
{
try
{
StreamReader reader = new StreamReader(source , Encoding.Default );
string sFileText = reader.ReadToEnd ();
reader.Close ();
StreamWriter write = new StreamWriter (dest , false , Encoding.Default );
write.Write (strenc(sFileText));
write.Close ();
return true;
}
catch
{
return false;
}
}
else
{
return false;
}
}
/// <summary>
/// 加密ASP文件
/// </summary>
/// <param name="sourcePath">文件源路径</param>
/// <param name="destPath">文件目标路径</param>
/// <param name="file">文件名，源，目标文件名一致</param>
/// <returns>加密成功返回TRUE</returns>
public bool EncodeFile(string sourcePath , string destPath , string file)
{
return EncodeFile(string.Format ("{0}\\{1}" , sourcePath , file) ,
string.Format ("{0}\\{1}" , destPath , file));
}
#endregion
#region public bool DecodeFolder(string source , string dest[ , bool bRecur = true])
/// <summary>
/// 将指定目录下的所有ASP进行解密
/// </summary>
/// <param name="source">源目录</param>
/// <param name="dest">目标目录</param>
/// <param name="bRecur" >递归子目录</param>
/// <returns>解密成功返回TRUE</returns>
public bool DecodeFolder(string source , string dest , bool bRecur)
{
if(Directory .Exists (source) && Directory.Exists (dest))
{
string [] allFile = Directory.GetFiles (source , "*.asp");
foreach(string file in allFile)
{
if(!DecodeFile(source , dest , file.Substring (file.LastIndexOf ('\\') + 1)))
return false;
}
if(bRecur)
{
string [] allDir = Directory.GetDirectories (source);
foreach(string dir in allDir)
{
string dsubpath = string.Format ("{0}\\{1}" , dest , dir.Substring (dir.LastIndexOf ('\\') + 1));
Directory.CreateDirectory (dsubpath);
if(!DecodeFolder(dir , dsubpath))
return false;
}
}
return true;
}
else
{
return false;
}
}
/// <summary>
/// 将指定目录下的所有ASP进行解密
/// </summary>
/// <param name="source">源目录</param>
/// <param name="dest">目标目录</param>
/// <returns>解密成功返回TRUE</returns>
public bool DecodeFolder(string source , string dest)
{
return DecodeFolder(source , dest , true);
}
#endregion
#region public bool EncodeFolder(string source , string dest[ , bool bRecur = true])
/// <summary>
/// 将指定目标下的所有ASP进行加密
/// </summary>
/// <param name="source">源目录</param>
/// <param name="dest">目标目录</param>
/// <param name="bRecur" >递归子目录</param>
/// <returns>解密成功返回TRUE</returns>
public bool EncodeFolder(string source , string dest , bool bRecur)
{
if(Directory .Exists (source) && Directory.Exists (dest))
{
string [] allFile = Directory.GetFiles (source , "*.asp");
foreach(string file in allFile)
{
if(!EncodeFile(source , dest , file.Substring (file.LastIndexOf ('\\') + 1)))
return false;
}
if(bRecur)
{
string [] allDir = Directory.GetDirectories (source);
foreach(string dir in allDir)
{
string dsubpath = string.Format ("{0}\\{1}" , dest , dir.Substring (dir.LastIndexOf ('\\') + 1));
Directory.CreateDirectory (dsubpath);
if(!EncodeFolder(dir , dsubpath))
return false;
}
}
return true;
}
else
{
return false;
}
}
/// <summary>
/// 将指定目标下的所有ASP进行加密
/// </summary>
/// <param name="source">源目录</param>
/// <param name="dest">目标目录</param>
/// <returns>解密成功返回TRUE</returns>
public bool EncodeFolder(string source , string dest)
{
return EncodeFolder(source , dest , true);
}
#endregion
#region private string unescape(string onechar)
/// <summary>
/// 解密特殊字符回车、换行、左，右括号及＠
/// </summary>
/// <param name="onechar">特殊字符</param>
/// <returns>解密后的特殊字符</returns>
private string unescape(string onechar)
{
string escapes = "#&!*$";
string escaped = "\r\n<>@";
if (onechar[0] > 126)
return onechar;
if (escapes.IndexOf (onechar) != -1)
return escaped.Substring (escapes.IndexOf (onechar), 1);
else
return "?";
}
#endregion
#region private bool escape(char onechar , out char outchar)
/// <summary>
/// 加密特殊字符回车、换行、左，右括号及＠
/// </summary>
/// <param name="onechar">特殊字符</param>
/// <param name="outchar">返回加密后的特殊字符</param>
/// <returns>是特殊字符返回TRUE</returns>
private bool escape(char onechar , out char outchar)
{
string escapes = "#&!*$";
string escaped = "\r\n<>@";
int nPos = escaped.IndexOf (onechar);
if(nPos >= 0)
{
outchar = escapes[nPos];
return true;
}
else
{
outchar = '\0';
return false;
}
}
#endregion
#region private int decodeBase64(string str)
/// <summary>
/// 解密BASE64串
/// </summary>
/// <param name="str">BASE64串</param>
/// <returns>解密值</returns>
private int decodeBase64(string str)
{
int val = 0;
val += ((int)digits[str[0]] << 2);
val += ((int)digits[str[1]] >> 4);
val += ((int)digits[str[1]] & 0xf) << 12;
val += (((int)digits[str[2]] >> 2) << 8);
val += (((int)digits[str[2]] & 0x3) << 22);
val += ((int)digits[str[3]] << 16);
return val;
}
#endregion
#region private string encodeBase64(int nSum)
/// <summary>
/// 用BASE64加密数字
/// </summary>
/// <param name="nSum">校验和</param>
/// <returns>返回加密后的校验和</returns>
private string encodeBase64(int nSum)
{
string strRet = "";
strRet += undigits[(nSum >> 2) & 0x3f];
strRet += undigits[((nSum & 0x3) << 4) + ((nSum >> 12) & 0xf)];
strRet += undigits[((nSum >> 6) & 0x3c) + ((nSum >> 22) & 3)];
strRet += undigits[(nSum >> 16) & 0x3f];
return strRet;
}
#endregion
#region private int GetSum(string str)
/// <summary>
/// 针对VBScript.Encode特点生成校验和，只对小于0x80的字符进行累加
/// </summary>
/// <param name="str">源串</param>
/// <returns>返回校验和</returns>
private int GetSum(string str)
{
int nRet = 0;
for(int i = 0;i < str.Length ;i ++)
{
int nOne = (int)str[i];
if(nOne <= 0x7f)
{
nRet += nOne;
}
}
return nRet;
}
#endregion
#region private string strdec(string encodingString)
/// <summary>
/// 解密ASP文本
/// </summary>
/// <param name="encodingString">源串</param>
/// <returns>加密串</returns>
private string strdec(string encodingString)
{
encodingString = scriptdec(headdec(encodingString));
string marker = "#@~^";
int stringIndex = 0;
int scriptIndex = -1;
int unEncodingIndex = 0;
int unEncodinglength = 0;
enumState state = enumState.stateCopyInput ;
string unEncodingString = "";
while(state != enumState.stateNull )
{
switch(state)
{
case (enumState.stateCopyInput ) :
scriptIndex = encodingString.IndexOf (marker , stringIndex);
if (scriptIndex != -1)
{
unEncodingString += encodingString.Substring (stringIndex, scriptIndex - stringIndex);
scriptIndex += marker.Length;
state = enumState.stateReadLen ;
}
else
{
unEncodingString += encodingString.Substring (stringIndex);
state = enumState.stateNull ;
}
break;
case (enumState.stateReadLen ) :
unEncodinglength = decodeBase64(encodingString.Substring (scriptIndex, 6));
scriptIndex += (6 + "==".Length);
state = enumState.stateDecode ;
break;
case (enumState.stateDecode ) :
if (unEncodinglength == 0)
{
stringIndex = scriptIndex + "DQgAAA==^#~@".Length;
unEncodingIndex = 0;
state = enumState.stateCopyInput ;
break;
}
if (encodingString[scriptIndex] == '@')
{
state = enumState.stateUnescape ;
unEncodingString += unescape(encodingString.Substring (++scriptIndex, 1));
scriptIndex++;
unEncodinglength -=2;
unEncodingIndex++;
state = enumState.stateDecode ;
break;
}
else
{
if (encodingString[scriptIndex] <= 0x7f)
{
unEncodingString += transformed[pick_encoding[unEncodingIndex%64],encodingString[scriptIndex]];
unEncodingIndex++;
}
else
{
unEncodingString += encodingString[scriptIndex];
}
scriptIndex++;
unEncodinglength--;
break;
}
case enumState.stateUnescape :
unEncodingString += unescape(encodingString.Substring (++scriptIndex, 1));
scriptIndex++;
unEncodinglength -=2;
unEncodingIndex++;
state = enumState.stateDecode ;
break;
}
}
// 下面代码的用意何在?
// int re, arr;
// re = new RegExp("(JScript|VBscript).encode", "gmi");
// while(arr = re.exec(unEncodingString)) unEncodingString = RegExp.leftContext + RegExp.$1 + RegExp.rightContext;
return unEncodingString;
}
#endregion
#region private string strenc(string encodingString)
/// <summary>
/// 加密ASP文本
/// </summary>
/// <param name="encodingString">源串</param>
/// <returns>返回加密串</returns>
private string strenc(string encodingString)
{
int nPos = encodingString.IndexOf ("<%");
if(nPos < 0)
return encodingString;
else
{
string unEncodingString = "";
unEncodingString += encodingString.Substring (0 , nPos);
while(nPos >= 0)
{
int nPos2 = encodingString.IndexOf ("%>" , nPos);
if(nPos2 < 0)
{
unEncodingString += encodingString.Substring (nPos);
break;
}
else
{
string strSection = encodingString.Substring (nPos + 2 , nPos2 - nPos - 2);
//查找第一个字符是否为"@"或"="
//为"@"则忽略处理
//为"="表示该串为赋值,"="及之前的内容不做处理
int nSpecialPos ;
char chSpecial = FindSpecialChar(strSection , out nSpecialPos);
if(chSpecial != '@')
{
if(chSpecial == '=')
strSection = strSection.Substring (nSpecialPos + 1);
string stren = EncodeSection(strSection);
if(chSpecial == '=')
unEncodingString += string.Format ("<%{0}{1}%>" , chSpecial , stren);
else
unEncodingString += string.Format ("<%{0}%>" , stren);
}
else
{
int nStart;
int nLen;
if(GetPropertyPos(strSection , "Language" , out nStart , out nLen))
unEncodingString += string.Format ("<%{0}.Encode{1}%>" ,
strSection.Substring (0 , nStart + nLen) ,
strSection.Substring (nStart + nLen));
else
unEncodingString += string.Format ("<%{0}%>" , strSection);
}
nPos2 += 2;
nPos = encodingString.IndexOf ("<%" , nPos2);
if(nPos > 0)
{
unEncodingString += encodingString.Substring (nPos2 , nPos - nPos2);
}
else
{
unEncodingString += encodingString.Substring (nPos2);
}
}
}
return scriptenc(unEncodingString);
}
}
#endregion
#region private string headdec(string str)
/// <summary>
/// 对VBScript.Encode串进行解密
/// </summary>
/// <param name="str">加密的ASP串</param>
/// <returns>解密串</returns>
private string headdec(string str)
{
int nPos = str.IndexOf ("<%");
if(nPos < 0)
return str;
else
{
int nPos2 = str.IndexOf ("%>" , nPos);
if(nPos2 < 0)
return str;
else
{
string strSection = str.Substring (nPos + 2 , nPos2 - nPos - 2);
int nSpecialPos;
char chSpecial = FindSpecialChar(strSection , out nSpecialPos);
if(chSpecial != '@')
return str;
else
{
string strRet = str.Substring (0 , nPos + 2);
int nStart;
int nLen;
if(GetPropertyPos(strSection , "Language" , out nStart , out nLen))
{
int nPos3;
if(nLen > 0 && (nPos3 = strSection.Substring (nStart , nLen).ToUpper ().IndexOf (".ENCODE")) > 0)
{
nStart += nPos3;
strRet += strSection.Substring (0 , nStart);
strRet += strSection.Substring (nStart + ".Encode".Length );
}
else
strRet += strSection;
}
else
strRet += strSection;
strRet += str.Substring (nPos2);
return strRet;
}
}
}
}
#endregion
#region private string scriptdec(string str)
/// <summary>
/// 删除script标签中语言值，将后缀中的.Encode删除
/// </summary>
/// <param name="str">源串</param>
/// <returns>返回删除.Encode的串</returns>
private string scriptdec(string str)
{
string strRet;
string str2 = str.ToUpper ();
int nPos = str2.IndexOf ("<SCRIPT");
if(nPos < 0)
{
return str;
}
else
{
strRet = str.Substring (0 , nPos);
}
while(nPos >= 0)
{
int nPos2 = str.IndexOf (">" , nPos);
if(nPos2 > 0)
{
string strScriptHead = str.Substring (nPos + 1 , nPos2 - nPos - 1);
int nStart;
int nLen;
if(GetPropertyPos(strScriptHead , "Language" , out nStart , out nLen))
{
int nPos3;
if(nLen > 0 && (nPos3 = strScriptHead.Substring (nStart , nLen).ToUpper ().IndexOf (".ENCODE")) > 0)
{
//Language中存在.Encode标识
nPos3 += nStart + 1; //多一个"<"符号
strRet += str.Substring (nPos , nPos3 );
nPos += nPos3 + ".Encode".Length ;
strRet += str.Substring (nPos , nPos2 - nPos );
nPos = nPos2;
}
}
if(nPos != nPos2)
{
strRet += str.Substring (nPos , nPos2 - nPos);
nPos = nPos2;
}
nPos = str2.IndexOf ("<SCRIPT" , nPos2);
if(nPos > 0)
{
strRet += str.Substring (nPos2 , nPos - nPos2);
}
else
{
strRet += str.Substring (nPos2);
}
}
else
{
strRet += str.Substring (nPos);
break;
}
}
return strRet;
}
#endregion
#region private string scriptenc(string str)
/// <summary>
/// 查找服务器端脚本位置
/// </summary>
/// <param name="str">ASP文本</param>
/// <returns>服务器脚本的起始位置</returns>
private string scriptenc(string str)
{
string strRet = "";
string str2 = str.ToUpper ();
int nPos = str2.IndexOf ("<SCRIPT");
if(nPos < 0)
{
return str;
}
else
{
strRet = str.Substring (0 , nPos);
}
while(nPos >= 0)
{
int nPos2 = str.IndexOf (">" , nPos);
if(nPos2 > 0)
{
string strScriptHead = str.Substring (nPos + 1 , nPos2 - nPos - 1);
int nStart;
int nLen;
if(GetPropertyPos(strScriptHead , "RunAt" , out nStart , out nLen) &&
nLen > 0 &&
strScriptHead.Substring (nStart , nLen).ToUpper ().Equals ("SERVER"))
{
//加密内容
if(GetPropertyPos(strScriptHead , "Language" , out nStart , out nLen))
{
if(nLen > 0 && strScriptHead.Substring (nStart , nLen).ToUpper ().IndexOf (".ENCODE") < 0)
{
//Language中不存在.Encode标识
strRet += str.Substring (nPos , nStart + nLen + 1);
strRet += ".Encode";
nPos += nStart + nLen + 1;
strRet += str.Substring (nPos , nPos2 - nPos + 1);
nPos = nPos2 + 1;
}
else
{
strRet += str.Substring (nPos , nPos2 - nPos + 1);
nPos = nPos2 + 1;
}
nPos2 = str2.IndexOf ("</SCRIPT>" , nPos);
if(nPos2 > 0)
{
strRet += EncodeSection(str.Substring (nPos , nPos2 - nPos));
nPos = nPos2;
}
else
{
strRet += EncodeSection(str.Substring (nPos));
break;
}
}
}
//复制内容
nPos2 = str2.IndexOf ("<SCRIPT" , nPos2);
if(nPos2 > 0)
{
strRet += str.Substring (nPos , nPos2 - nPos);
nPos = nPos2;
}
else
{
strRet += str.Substring (nPos);
break;
}
}
else
{
strRet += str.Substring (nPos);
break;
}
}
return strRet;
}
#endregion
#region private bool GetPropertyPos(string str , string strProperty , out int nStart , out int nLen)
/// <summary>
/// 获得标签中的属性值位置
/// </summary>
/// <param name="str">ASP标签</param>
/// <param name="strProperty">属性ID</param>
/// <param name="nStart">属性值起始位置</param>
/// <param name="nLen">属性值长度</param>
/// <returns>获得属性成功返回TRUE</returns>
private bool GetPropertyPos(string str , string strProperty , out int nStart , out int nLen)
{
nStart = -1;
nLen = 0;
int nPos = str.ToUpper ().IndexOf (strProperty.ToUpper ());
if(nPos >= 0)
{
nPos += strProperty.Length ;
while(nPos < str.Length )
{
if(str[nPos] == ' ' || str[nPos] == '=' || str[nPos] == '\t' || str[nPos] == '\r' || str[nPos] == '\n')
{
nPos ++;
}
else if(str[nPos] == '\"')
{
nStart = nPos + 1;
nLen = str.IndexOf ('\"' , nStart) - nStart;
return true;
}
else
{
nStart = nPos;
while(nPos < str.Length )
{
if(str[nPos] == ' ' || str[nPos] == '\t' || str[nPos] == '\r' || str[nPos] == '\n')
{
nLen = nPos - nStart;
return true;
}
else
{
nPos ++;
continue;
}
}
nLen = str.Length - nStart;
return true;
}
}
}
return false;
}
#endregion
#region private char FindSpecialChar(string str , out int nPos)
/// <summary>
/// 查找第一个特殊字符，'@'或'='
/// </summary>
/// <param name="str">字符串</param>
/// <param name="nPos">返回找到字符的位置</param>
/// <returns>返回找到的字符，否则返回0</returns>
private char FindSpecialChar(string str , out int nPos)
{
char chRet = '\0';
nPos = 0;
while(nPos < str.Length )
{
if(str[nPos] == ' ' || str[nPos] == '\t' || str[nPos] == '\r' || str[nPos] == '\n')
{
nPos ++;
continue;
}
else if(str[nPos] == '@')
{
chRet = '@';
}
else if(str[nPos] == '=')
{
chRet = '=';
}
break;
}
return chRet;
}
#endregion
#region private string EncodeSection(string str)
/// <summary>
/// 对ASP服务端脚本进行加密
/// </summary>
/// <param name="str">脚本片段</param>
/// <returns>加密后的服务器代码片段</returns>
private string EncodeSection(string str)
{
int nSum = GetSum(str);
string strTail = encodeBase64(nSum);
string strData = "";
int nCount = 0;
for(int i = 0;i < str.Length ;i ++)
{
char chOne;
if(str[i] > 0x7f)
{
strData += str[i];
}
else if(escape(str[i] , out chOne))
{
strData += "@" + chOne;
nCount ++;
}
else
{
int nRow = pick_encoding[nCount % 64];
int nCol = str[i] - 31;
if(nCol < 0)
nCol = 0;
strData += (char)rawData[nCol * 3 + nRow];
nCount ++;
}
}
//增加头与尾
string strHead = encodeBase64(strData.Length );
return string.Format ("#@~^{1}AA=={0}{2}AA==^#~@" , strData , strHead , strTail);
}
#endregion
}
}
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