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decoder.html
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decoder.html
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<html>
<head>
<title>Decoder for JJEncode</title>
<script type="text/javascript">
function cls()
{
document.getElementById("dst").value = '';
}
function out(c)
{
var d = document.getElementById("dst").value;
document.getElementById("dst").value = d + c;
}
function jjdecode()
{
cls();
//get string from src
var t = document.getElementById("src").value;
//clean it
t.replace(/^\s+|\s+$/g, "");
var startpos;
var endpos;
var gv;
var gvl;
if (t.indexOf("\"\'\\\"+\'+\",") == 0) //palindrome check
{
//locate jjcode
startpos = t.indexOf('$$+"\\""+') + 8;
endpos = t.indexOf('"\\"")())()');
//get gv
gv = t.substring((t.indexOf('"\'\\"+\'+",')+9), t.indexOf("=~[]"));
gvl = gv.length;
}
else
{
//get gv
gv = t.substr(0, t.indexOf("="));
gvl = gv.length;
//locate jjcode
startpos = t.indexOf('"\\""+') + 5;
endpos = t.indexOf('"\\"")())()');
}
if (startpos == endpos)
{
alert("No data !");
return;
}
//start decoding
var data = t.substring(startpos, endpos);
//hex decode string
var b=[ "___+", "__$+", "_$_+", "_$$+", "$__+", "$_$+", "$$_+", "$$$+", "$___+", "$__$+", "$_$_+", "$_$$+", "$$__+", "$$_$+", "$$$_+", "$$$$+" ];
//lotu
var str_l = "(![]+\"\")[" + gv + "._$_]+";
var str_o = gv + "._$+";
var str_t = gv + ".__+";
var str_u = gv + "._+";
//0123456789abcdef
var str_hex = gv + ".";
//s
var str_s = '"';
var gvsig = gv + ".";
var str_quote = '\\\\\\"';
var str_slash = '\\\\\\\\';
var str_lower = "\\\\\"+";
var str_upper = "\\\\\"+" + gv + "._+";
var str_end = '"+'; //end of s loop
while(data != "")
{
//l o t u
if (0 == data.indexOf(str_l))
{
data = data.substr(str_l.length);
out("l");
continue;
}
else if (0 == data.indexOf(str_o))
{
data = data.substr(str_o.length);
out("o");
continue;
}
else if (0 == data.indexOf(str_t))
{
data = data.substr(str_t.length);
out("t");
continue;
}
else if (0 == data.indexOf(str_u))
{
data = data.substr(str_u.length);
out("u");
continue;
}
//0123456789abcdef
if (0 == data.indexOf(str_hex))
{
data = data.substr(str_hex.length);
//check every element of hex decode string for a match
var i = 0;
for (i = 0; i < b.length; i++)
{
if (0 == data.indexOf(b[i]))
{
data = data.substr( (b[i]).length );
out(i.toString(16));
break;
}
}
continue;
}
//start of s block
if (0 == data.indexOf(str_s))
{
data = data.substr(str_s.length);
//check if "R
if (0 == data.indexOf(str_upper)) // r4 n >= 128
{
data = data.substr(str_upper.length); //skip sig
var ch_str = "";
for (j = 0; j < 2; j++) //shouldn't be more than 2 hex chars
{
//gv + "."+b[ c ]
if (0 == data.indexOf(gvsig))
{
data = data.substr(gvsig.length); //skip gvsig
for (k = 0; k < b.length; k++) //for every entry in b
{
if (0 == data.indexOf(b[k]))
{
data = data.substr(b[k].length);
ch_str += k.toString(16) + "";
break;
}
}
}
else
{
break; //done
}
}
out(String.fromCharCode(parseInt(ch_str,16)));
continue;
}
else if (0 == data.indexOf(str_lower)) //r3 check if "R // n < 128
{
data = data.substr(str_lower.length); //skip sig
var ch_str = "";
var ch_lotux = ""
var temp = "";
var b_checkR1 = 0;
for (j = 0; j < 3; j++) //shouldn't be more than 3 octal chars
{
if (j > 1) //lotu check
{
if (0 == data.indexOf(str_l))
{
data = data.substr(str_l.length);
ch_lotux = "l";
break;
}
else if (0 == data.indexOf(str_o))
{
data = data.substr(str_o.length);
ch_lotux = "o";
break;
}
else if (0 == data.indexOf(str_t))
{
data = data.substr(str_t.length);
ch_lotux = "t";
break;
}
else if (0 == data.indexOf(str_u))
{
data = data.substr(str_u.length);
ch_lotux = "u";
break;
}
}
//gv + "."+b[ c ]
if (0 == data.indexOf(gvsig))
{
temp = data.substr(gvsig.length);
for (k = 0; k < 8; k++) //for every entry in b octal
{
if (0 == temp.indexOf(b[k]))
{
if (parseInt(ch_str + k + "",8) > 128)
{
b_checkR1 = 1;
break;
}
ch_str += k + "";
data = data.substr(gvsig.length); //skip gvsig
data = data.substr(b[k].length);
break;
}
}
if (1 == b_checkR1)
{
if (0 == data.indexOf(str_hex)) //0123456789abcdef
{
data = data.substr(str_hex.length);
//check every element of hex decode string for a match
var i = 0;
for (i = 0; i < b.length; i++)
{
if (0 == data.indexOf(b[i]))
{
data = data.substr( (b[i]).length );
ch_lotux = i.toString(16);
break;
}
}
break;
}
}
}
else
{
break; //done
}
}
out(String.fromCharCode(parseInt(ch_str,8)) + ch_lotux);
continue; //step out of the while loop
}
else //"S ----> "SR or "S+
{
// if there is, loop s until R 0r +
// if there is no matching s block, throw error
var match = 0;
var n;
//searching for mathcing pure s block
while(true)
{
n = data.charCodeAt( 0 );
if (0 == data.indexOf(str_quote))
{
data = data.substr(str_quote.length);
out('"');
match += 1;
continue;
}
else if (0 == data.indexOf(str_slash))
{
data = data.substr(str_slash.length);
out('\\');
match += 1;
continue;
}
else if (0 == data.indexOf(str_end)) //reached end off S block ? +
{
if (match == 0)
{
alert("+ no match S block: "+data);
return;
}
data = data.substr(str_end.length);
break; //step out of the while loop
}
else if (0 == data.indexOf(str_upper)) //r4 reached end off S block ? - check if "R n >= 128
{
if (match == 0)
{
alert("no match S block n>128: "+data);
return;
}
data = data.substr(str_upper.length); //skip sig
var ch_str = "";
var ch_lotux = "";
for (j = 0; j < 10; j++) //shouldn't be more than 10 hex chars
{
if (j > 1) //lotu check
{
if (0 == data.indexOf(str_l))
{
data = data.substr(str_l.length);
ch_lotux = "l";
break;
}
else if (0 == data.indexOf(str_o))
{
data = data.substr(str_o.length);
ch_lotux = "o";
break;
}
else if (0 == data.indexOf(str_t))
{
data = data.substr(str_t.length);
ch_lotux = "t";
break;
}
else if (0 == data.indexOf(str_u))
{
data = data.substr(str_u.length);
ch_lotux = "u";
break;
}
}
//gv + "."+b[ c ]
if (0 == data.indexOf(gvsig))
{
data = data.substr(gvsig.length); //skip gvsig
for (k = 0; k < b.length; k++) //for every entry in b
{
if (0 == data.indexOf(b[k]))
{
data = data.substr(b[k].length);
ch_str += k.toString(16) + "";
break;
}
}
}
else
{
break; //done
}
}
out(String.fromCharCode(parseInt(ch_str,16)));
break; //step out of the while loop
}
else if (0 == data.indexOf(str_lower)) //r3 check if "R // n < 128
{
if (match == 0)
{
alert("no match S block n<128: "+data);
return;
}
data = data.substr(str_lower.length); //skip sig
var ch_str = "";
var ch_lotux = ""
var temp = "";
var b_checkR1 = 0;
for (j = 0; j < 3; j++) //shouldn't be more than 3 octal chars
{
if (j > 1) //lotu check
{
if (0 == data.indexOf(str_l))
{
data = data.substr(str_l.length);
ch_lotux = "l";
break;
}
else if (0 == data.indexOf(str_o))
{
data = data.substr(str_o.length);
ch_lotux = "o";
break;
}
else if (0 == data.indexOf(str_t))
{
data = data.substr(str_t.length);
ch_lotux = "t";
break;
}
else if (0 == data.indexOf(str_u))
{
data = data.substr(str_u.length);
ch_lotux = "u";
break;
}
}
//gv + "."+b[ c ]
if (0 == data.indexOf(gvsig))
{
temp = data.substr(gvsig.length);
for (k = 0; k < 8; k++) //for every entry in b octal
{
if (0 == temp.indexOf(b[k]))
{
if (parseInt(ch_str + k + "",8) > 128)
{
b_checkR1 = 1;
break;
}
ch_str += k + "";
data = data.substr(gvsig.length); //skip gvsig
data = data.substr(b[k].length);
break;
}
}
if (1 == b_checkR1)
{
if (0 == data.indexOf(str_hex)) //0123456789abcdef
{
data = data.substr(str_hex.length);
//check every element of hex decode string for a match
var i = 0;
for (i = 0; i < b.length; i++)
{
if (0 == data.indexOf(b[i]))
{
data = data.substr( (b[i]).length );
ch_lotux = i.toString(16);
break;
}
}
}
}
}
else
{
break; //done
}
}
out(String.fromCharCode(parseInt(ch_str,8)) + ch_lotux);
break; //step out of the while loop
}
else if( (0x21 <= n && n <= 0x2f) || (0x3A <= n && n <= 0x40) || ( 0x5b <= n && n <= 0x60 ) || ( 0x7b <= n && n <= 0x7f ) )
{
out(data.charAt( 0 ));
data = data.substr( 1 );
match += 1;
}
}
continue;
}
}
alert("no match : "+data);
break;
}
document.getElementById("letters").innerHTML = document.getElementById("dst").value.length;
}
</script>
</head>
<body>
Input the JJEncode here:
<textarea id="src" style="width:100%;height:5em" cols="" rows=""></textarea>
<br>
Decoded JJEncode String:
<textarea id="dst" style="width:100%;height:5em" cols="" rows=""></textarea><br>
<input type="button" id="Decode" value="Validate" onClick="javascript:jjdecode()" /><br>
<div>
<span id="letters">0</span> character(s)
</div>
</body>
</html>