解密ASP源代碼

從網(wǎng)上興致沖沖地下載了ASP源代碼,準(zhǔn)備學(xué)習(xí)研究的時(shí)候.一打開(kāi)文件,天書(shū)般的加密代碼.很讓人郁悶吧 :(

在網(wǎng)上是找到了解密的方法,得一個(gè)文件挨一個(gè)文件地打開(kāi),復(fù)制,粘貼,解密,再?gòu)?fù)制,再粘貼,再保存......

如果一個(gè)ASP程序有幾百個(gè)文件???

解決辦法來(lái)了..

decode.asp

<% @Language="JavaScript" %>
<%

/*
 *--------------- decode.asp -----------------
 * 功能:遍歷某個(gè)目錄下的所有文件,對(duì)加密過(guò)的.asp文件
 *      進(jìn)行解密,并寫入源文件中.
 * 實(shí)例:單個(gè)文件解密
 * Response.Write(DncodeFile(Server.MapPath("conn.asp")));
 * 實(shí)例:目錄下所有文件解密.
 * 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:打開(kāi)文件sFilePath,Encode解密,重寫該文件.
 * 參數(shù):sFilePath,字符串,文件的路徑.
 * 返回:sFilePath,文件的路徑.
 * 實(shí)例: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:遍歷sFolderPath目錄下的所有文件.返回?cái)?shù)組.存儲(chǔ)文件路徑.
 * 參數(shù):sFolderPath,字符串,目錄絕對(duì)路徑.
 * 實(shí)例: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(shù)組成了多維. */
        //sFilePath[sFilePath.length]=GetFilesPath(enmFolders.item().Path);
        /* Add 2004-5-17 11:09 只為一維數(shù)組 */
        sFilePath=sFilePath.concat(GetFilesPath(enmFolders.item().Path));
    }

    return sFilePath;

}

function GetFileType(sFileName)
{
/*
 *--------------- GetFileType(sFileName) -----------------
 * GetFileType(sFileName)
 * 功能:通過(guò)后綴,取得sFileName的文件類型.
 * 參數(shù):sFileName,字符串,文件名.
 * 實(shí)例: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(shí)現(xiàn):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(shí)現(xiàn):李輝煌 End*/

function DncodeFolderFiles(sFolderPath)
{
/*
 *--------------- DncodeFolderFiles(sFolderPath) -----------------
 * DncodeFolderFiles(sFolderPath)
 * 功能:遍歷sFolderPath目錄下的所有文件,對(duì)加密過(guò)的.asp文件
 *      進(jìn)行解密,并寫入源文件中.
 * 實(shí)例: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目錄下的所有文件.解密.
DncodeFolderFiles(Server.MapPath("xml"))
//取得t.asp.解密.
Response.Write(DncodeFile(Server.MapPath("t.asp")))
%>