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解密ASP源代碼

時間:2020-02-02來源:電腦系統城作者:電腦系統城

從網上興致沖沖地下載了ASP源代碼,準備學習研究的時候.一打開文件,天書般的加密代碼.很讓人郁悶吧 :( 在網上是找到了解密的方法,得一個文件挨一個文件地打開,復制,粘貼,解密,再復制,再粘貼,再保存......如果一個ASP程序有幾百個文件??? 
解決辦法來了..
復制代碼 代碼如下:
<% @Language="JavaScript" %> 
<% 
/* 
 *--------------- decode.asp ----------------- 
 * 功能:遍歷某個目錄下的所有文件,對加密過的.asp文件 
 *      進行解密,并寫入源文件中. 
 * 實例:單個文件解密 
 * Response.Write(DncodeFile(Server.MapPath("conn.asp"))); 
 * 實例: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:打開文件sFilePath,Encode解密,重寫該文件. 
 * 參數:sFilePath,字符串,文件的路徑. 
 * 返回:sFilePath,文件的路徑. 
 * 實例: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.返回數組.存儲文件路徑. 
 * 參數:sFolderPath,字符串,目錄絕對路徑. 
 * 實例: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:通過后綴,取得sFileName的文件類型. 
 * 參數:sFileName,字符串,文件名. 
 * 實例: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:遍歷sFolderPath目錄下的所有文件,對加密過的.asp文件 
 *      進行解密,并寫入源文件中. 
 * 實例: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("list")) 
//取得t.asp.解密. 
//Response.Write(DncodeFile(Server.MapPath("t.asp"))) 
%>
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