解密ASP原始碼

從網上興緻沖沖地下載了ASP原始碼,準備學習研究的時候.一開啟檔案,天書般的加密代碼.很讓人鬱悶吧 在網上是找到瞭解密的方法,得一個檔案挨一個檔案地開啟,複製,粘貼,解密,再複製,再粘貼,再儲存......如果一個ASP程式有幾百個檔案???
解決辦法來了.. 複製代碼 代碼如下:<% @Language="JavaScript" %>
<%
/*
*--------------- decode.asp -----------------
* 功能:遍曆某個目錄下的所有檔案,對加密過的.asp檔案
* 進行解密,並寫入源檔案中.
* 執行個體:單個檔案解密
* Response.Write(DncodeFile(Server.MapPath("conn.asp")));
* 執行個體:目錄下所有檔案解密.
* DncodeFolderFiles(Server.MapPath("xml"))
* author:wanghr100(灰豆寶寶.net)
* update:2004-5-17 11:31
*--------------- decode.asp -----------------
*/
function DncodeFile(sFilePath)
{
/*
*--------------- DncodeFile(sFilePath) -----------------
* DncodeFile(sFilePath)
* 功能:開啟檔案sFilePath,Encode解密,重寫該檔案.
* 參數:sFilePath,字串,檔案的路徑.
* 返回:sFilePath,檔案的路徑.
* 執行個體:Response.Write(DncodeFile(Server.MapPath("conn.asp")));
* author:wanghr100(灰豆寶寶.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) -----------------
* GetFilesPath(sFolderPath)
* 功能:遍曆sFolderPath目錄下的所有檔案.返回數組.隱藏檔路徑.
* 參數:sFolderPath,字串,目錄絕對路徑.
* 執行個體:Response.Write(GetFilesPath(Server.MapPath("xml")))
* update:2004-5-12 8:33
* author:wanghr100(灰豆寶寶.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())
{
/* Old 數組成了多維. */
//sFilePath[sFilePath.length]=GetFilesPath(enmFolders.item().Path);
/* Add 2004-5-17 11:09 只為一維數組 */
sFilePath=sFilePath.concat(GetFilesPath(enmFolders.item().Path));
}

return sFilePath;

}

function GetFileType(sFileName)
{
/*
*--------------- GetFileType(sFileName) -----------------
* GetFileType(sFileName)
* 功能:通過尾碼,取得sFileName的檔案類型.
* 參數:sFileName,字串,檔案名稱.
* 執行個體:Response.Write(GetFileType("decode.asp"))
* update:2004-5-13 8:33
* author:wanghr100(灰豆寶寶.net)
*--------------- GetFileType(sFileName) -----------------
*/
sFileName = String(sFileName);
return sFileName.split(".")[sFileName.split(".").length-1];
}

/* Start 解密實現:李輝煌 Start*/
function screncode(s,l)
{enc=new ActiveXObject("Scripting.Encoder");
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,
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
)

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

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
}

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
}
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
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--
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 解密實現:李輝煌 End*/
function DncodeFolderFiles(sFolderPath)
{
/*
*--------------- DncodeFolderFiles(sFolderPath) -----------------
* DncodeFolderFiles(sFolderPath)
* 功能:遍曆sFolderPath目錄下的所有檔案,對加密過的.asp檔案
* 進行解密,並寫入源檔案中.
* 執行個體:DncodeFolderFiles(Server.MapPath("xml"));
* author:wanghr100(灰豆寶寶.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目錄下的所有檔案.解密.
DncodeFolderFiles(Server.MapPath("list"))
//取得t.asp.解密.
//Response.Write(DncodeFile(Server.MapPath("t.asp")))
%>