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解密ASP源代码

2005-04-16  作者:BitsCN整理  来源:中国网管联盟  点评 投稿 收藏

ArticleContent1_lblContent>
从网上兴致冲冲地下载了ASP源代码,准备学习研究的时候.
一打开文件,天书般的代码.很让人郁闷吧 :(
在网上是找到了解密的方法,得一个文件挨一个文件地
打开,复制,粘贴,解密,再复制,再粘贴,再保存......
如果一个ASP程序有几百个文件???
解决办法来了..
decode.asp
<% @Language="JavaScript" %>
<%
/*
 *--------------- decode.asp -----------------
 * 功能:遍历某个目录下的所有文件,对加密过的.asp文件
 *进行解密,并写入源文件中.
 * 实例:单个文件解密
 * Response.Write(DncodeFile(Server.MapPath("conn.asp")));
 * 实例:目录下所有文件解密.
 * DncodeFolderFiles(Server.MapPath("xml"))
 * author:wanghr100(灰豆宝宝.net)
 * update:2004-5-17 11:31
 *--------------- decode.asp -----------------
 */
function DncodeFile(sFilePath)
{
/*
 *--------------- DncodeFile(sFilePath) -----------------
 * DncodeFile(sFilePath)

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 * 功能:打开文件sFilePath,Encode解密,重写该文件.
 * 参数:sFilePath,字符串,文件的路径.
 * 返回:sFilePath,文件的路径.
 * 实例:Response.Write(DncodeFile(Server.MapPath("conn.asp")));
 * author:wanghr100(灰豆宝宝.net)
 * update:2004-5-17 0:58
 *--------------- DncodeFile(sFilePath) -----------------
 */
  var ForReading = 1, ForWriting =2, ForAppending =8;
  var fso = Server.CreateObject("Scripting.FileSystemObject");
  var f = fso.OpenTextFile(sFilePath,ForReading,true);
  sFileText = f.ReadAll();
  f.Close();
  sDncodeText = strdec(sFileText)
  var f = fso.OpenTextFile(sFilePath,ForWriting,true);
  f.Write(sDncodeText);
  f.Close();
  //return sDncodeText;
  return sFilePath;
}
function GetFilesPath(sFolderPath)
{
/*
 *--------------- GetFilesPath(sFolderPath) -----------------
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 * GetFilesPath(sFolderPath)
 * 功能:遍历sFolderPath目录下的所有文件.返回数组.存储文件路径.
 * 参数:sFolderPath,字符串,目录绝对路径.
 * 实例:Response.Write(GetFilesPath(Server.MapPath("xml")))
 * update:2004-5-12 8:33
 * author:wanghr100(灰豆宝宝.net)
 *--------------- GetFilesPath(sFolderPath) -----------------
 */
  var sFilePath = new Array();
  var fso = Server.CreateObject("Scripting.FileSystemObject");
  var oFolder = fso.GetFolder(sFolderPath);
  var oSubFolders = oFolder.SubFolders;
  var oFiles = oFolder.Files;
  icount = oFiles.Count;
  var enmFiles = new Enumerator(oFiles);
  for(;!enmFiles.atEnd();enmFiles.moveNext())
  {
  sFilePath[sFilePath.length] = enmFiles.item().Path
  }
  var enmFolders = new Enumerator(oSubFolders);
  for(;!enmFolders.atEnd();enmFolders.moveNext()) 网管论坛bbs_bitsCN_com
  {
  /* Old 数组成了多维. */
  //sFilePath[sFilePath.length]=GetFilesPath(enmFolders.item().Path);
  /* Add 2004-5-17 11:09 只为一维数组 */
  sFilePath=sFilePath.concat(GetFilesPath(enmFolders.item().Path));
  }
  return sFilePath;
}
function GetFileType(sFileName)
{
/*
 *--------------- GetFileType(sFileName) -----------------
 * GetFileType(sFileName)
 * 功能:通过后缀,取得sFileName的文件类型.
 * 参数:sFileName,字符串,文件名.
 * 实例:Response.Write(GetFileType("decode.asp"))
 * update:2004-5-13 8:33
 * author:wanghr100(灰豆宝宝.net)
 *--------------- GetFileType(sFileName) -----------------
 */
  sFileName = String(sFileName);
  return sFileName.split(".")[sFileName.split(".").length-1];
}
/* Start 解密实现:李辉煌 Start*/
function screncode(s,l)
{enc=new ActiveXObject("Scripting.Encoder");
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return enc.EncodeScriptFile("."+l,s,0,l+"cript");
}

  var STATE_COPY_INPUT= 100
  var STATE_READLEN = 101
  var STATE_DECODE= 102
  var STATE_UNESCAPE= 103
  var pick_encoding = new Array(
  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
  )
  var rawData = new Array(
  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,

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  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,
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  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
  )
  var transformed = new Array()
  for (var i=0; i<3; i++) transformed[i] = new Array()
  for (var i=31; i<=126; i++) for (var j=0; j<3; j++) transformed[j][rawData[(i-31) * 3 + j]] = (i==31) ? 9 : i
 
  var digits = new Array()
  for (var i=0; i<26; i++)
  {
  digits["A".charCodeAt(0)+i] = i
  digits["a".charCodeAt(0)+i] = i+26
  }
  for (var i=0; i<10; i++)digits["0".charCodeAt(0)+i] = i+52
  digits[0x2b] = 62
  digits[0x2f] = 63
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  function unescape(char)
  {
  var escapes = "#&!*$"
  var escaped = "\r\n<>@"
  if (char.charCodeAt(0) > 126) return char
  if (escapes.indexOf(char) != -1)return escaped.substr(escapes.indexOf(char), 1)
  return "?"
  }
 
  function decodeBase64(string)
  {
  var val = 0
  val +=(digits[string.substr(0,1).charCodeAt(0)] << 2)
  val +=(digits[string.substr(1,1).charCodeAt(0)] >> 4)
  val +=(digits[string.substr(1,1).charCodeAt(0)] & 0xf) << 12
  val += ((digits[string.substr(2,1).charCodeAt(0)] >> 2) << 8)
  val += ((digits[string.substr(2,1).charCodeAt(0)] & 0x3) << 22)
  val +=(digits[string.substr(3,1).charCodeAt(0)] << 16)
  return val
  }
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  function strdec(encodingString)
  {
 
  var marker = "#@~^"
  var stringIndex = 0
  var scriptIndex = -1
  var unEncodingIndex = 0
  var char = null
  var encodingLength = unEncodinglength = 0
  var state = STATE_COPY_INPUT
  var unEncodingString = ""
  var re, arr
 
  while(state)
  {
  switch (state)
  {
  case (STATE_COPY_INPUT) :
  scriptIndex = encodingString.indexOf(marker, stringIndex)
  if (scriptIndex != -1)
  {
  unEncodingString += encodingString.substring(stringIndex, scriptIndex)
  scriptIndex += marker.length
  state = STATE_READLEN
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  }
  else
  {
  stringIndex = stringIndex==0 ? 0 : stringIndex
  unEncodingString += encodingString.substr(stringIndex, encodingString.length)
  state = 0
  }
  break
 
  case (STATE_READLEN):
  encodingLength = encodingString.substr(scriptIndex, 6)
  unEncodinglength = decodeBase64(encodingLength)
  scriptIndex += (6 + "==".length)
  state = STATE_DECODE
  break
 
  case (STATE_DECODE) :
  if (!unEncodinglength)
  {
  stringIndex = scriptIndex + "DQgAAA==^#~@".length 网管网www.bitscn.com
  unEncodingIndex = 0
  state = STATE_COPY_INPUT
  break
  }
  char = encodingString.substr(scriptIndex, 1)
  if (char == "@")state = STATE_UNESCAPE
  else
  {
  if (char.charCodeAt(0) < 0xFF)
  {
  unEncodingString += String.fromCharCode(transformed[pick_encoding[unEncodingIndex%64]][char.charCodeAt(0)])
  unEncodingIndex++
  }
  else
  {
  unEncodingString += char
  }
  scriptIndex++
  unEncodinglength-- 网管联盟bitsCN@com
  break
  }
 
  case STATE_UNESCAPE:
  unEncodingString += unescape(encodingString.substr(++scriptIndex, 1))
  scriptIndex++;unEncodinglength -=2
  unEncodingIndex++
  state = STATE_DECODE
  break
  }
  }
 
  re= new RegExp("(JScript|VBscript).encode", "gmi")
  while(arr = re.exec(unEncodingString))unEncodingString = RegExp.leftContext + RegExp.$1 + RegExp.rightContext
  return unEncodingString
  }
/* End 解密实现:李辉煌 End*/

function DncodeFolderFiles(sFolderPath)
{
/*
 *--------------- DncodeFolderFiles(sFolderPath) -----------------
 * DncodeFolderFiles(sFolderPath)
 * 功能:遍历sFolderPath目录下的所有文件,对加密过的.asp文件

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 *进行解密,并写入源文件中.
 * 实例:DncodeFolderFiles(Server.MapPath("xml"));
 * author:wanghr100(灰豆宝宝.net)
 * update:2004-5-17 8:07
 *--------------- DncodeFolderFiles(sFolderPath) -----------------
 */
  var arrFiles = GetFilesPath(sFolderPath)
  for(var i=0;i<arrFiles.length;i++)
  {
  if(GetFileType(arrFiles[i])=="asp")
  {
  Response.Write(DncodeFile(arrFiles[i]))
  Response.Write("OK.<br>")
  }
  }
}
//取得xml目录下的所有文件.解密.
DncodeFolderFiles(Server.MapPath("xml"))
//取得t.asp.解密.
Response.Write(DncodeFile(Server.MapPath("t.asp")))
%>
 

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