js encodeuri转码和解码
js encodeuri转码和解码教程如下：
输入一段html代码
实现结果：将代码加密
js实现代码如下：
/*! JSFuck 0.4.0 - http://jsfuck.com */
(function(self){
var USE_CHAR_CODE = "USE_CHAR_CODE";
var MIN = 32, MAX = 126;
var SIMPLE = {
'false': '![]',
'true': '!![]',
'undefined': '[][[]]',
'NaN': '+[![]]',
'Infinity': '+(+!+[]+(!+[]+[])[!+[]+!+[]+!+[]]+[+!+[]]+[+[]]+[+[]]+[+[]])' // +"1e1000"
};
var CONSTRUCTORS = {
'Array': '[]',
'Number': '(+[])',
'String': '([]+[])',
'Boolean': '(![])',
'Function': '[]["filter"]',
'RegExp': 'Function("return/0/")()'
};
var MAPPING = {
'a': '(false+"")[1]',
'b': '(+(11))["toString"](20)',
'c': '([]["filter"]+"")[3]',
'd': '(undefined+"")[2]',
'e': '(true+"")[3]',
'f': '(false+"")[0]',
'g': '(+false+[false]+String)[20]',
'h': '(+(101))["toString"](21)[1]',
'i': '([false]+undefined)[10]',
'j': '(+(40))["toString"](21)[1]',
'k': '(+(20))["toString"](21)',
'l': '(false+"")[2]',
'm': '(Number+"")[11]',
'n': '(undefined+"")[1]',
'o': '(true+[]["filter"])[10]',
'p': '(+(211))["toString"](31)[1]',
'q': '(+(212))["toString"](31)[1]',
'r': '(true+"")[1]',
's': '(false+"")[3]',
't': '(true+"")[0]',
'u': '(undefined+"")[0]',
'v': '(+(31))["toString"](32)',
'w': '(+(32))["toString"](33)',
'x': '(+(101))["toString"](34)[1]',
'y': '(NaN+[Infinity])[10]',
'z': '(+(35))["toString"](36)',
'A': '(+false+Array)[10]',
'B': '(+false+Boolean)[10]',
'C': 'Function("return escape")()("<")[2]',
'D': 'Function("return escape")()("=")[2]',
'E': '(RegExp+"")[12]',
'F': '(+false+Function)[10]',
'G': '(false+Function("return Date")()())[30]',
'H': USE_CHAR_CODE,
'I': '(Infinity+"")[0]',
//'J': USE_CHAR_CODE,
'K': USE_CHAR_CODE,
'L': USE_CHAR_CODE,
'M': '(true+Function("return Date")()())[30]',
'N': '(NaN+"")[0]',
//'O': USE_CHAR_CODE,
'P': USE_CHAR_CODE,
'Q': USE_CHAR_CODE,
'R': '(+false+RegExp)[10]',
'S': '(+false+String)[10]',
'T': '(NaN+Function("return Date")()())[30]',
'U': USE_CHAR_CODE,
'V': USE_CHAR_CODE,
'W': USE_CHAR_CODE,
'X': USE_CHAR_CODE,
'Y': USE_CHAR_CODE,
'Z': USE_CHAR_CODE,
' ': '(NaN+[]["filter"])[11]',
'!': USE_CHAR_CODE,
'"': '("")["fontcolor"]()[12]',
'#': USE_CHAR_CODE,
'$': USE_CHAR_CODE,
'%': 'Function("return escape")()("<")[0]',
'&': USE_CHAR_CODE,
'\'': USE_CHAR_CODE,
'(': '(false+[]["filter"])[20]',
')': '(true+[]["filter"])[20]',
'*': USE_CHAR_CODE,
'+': '(+(+!+[]+(!+[]+[])[!+[]+!+[]+!+[]]+[+!+[]]+[+[]]+[+[]])+[])[2]',
',': '[[]]["concat"]([[]])+""',
'-': '(+(.+[0000000001])+"")[2]',
'.': '(+(+!+[]+[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+[!+[]+!+[]]+[+[]])+[])[+!+[]]',
'/': '(false+[+false])["italics"]()[10]',
':': '(RegExp()+"")[3]',
';': USE_CHAR_CODE,
'<': '("")["italics"]()[0]',
'=': '("")["fontcolor"]()[11]',
'>': '("")["italics"]()[2]',
'?': '(RegExp()+"")[2]',
'@': USE_CHAR_CODE,
'[': '(GLOBAL+"")[0]',
'\\': USE_CHAR_CODE,
']': USE_CHAR_CODE,
'^': USE_CHAR_CODE,
'_': USE_CHAR_CODE,
'`': USE_CHAR_CODE,
'{': '(NaN+[]["filter"])[21]',
'|': USE_CHAR_CODE,
'}': USE_CHAR_CODE,
'~': USE_CHAR_CODE
};
var GLOBAL = 'Function("return this")()';
function fillMissingChars(){
for (var key in MAPPING){
if (MAPPING[key] === USE_CHAR_CODE){
MAPPING[key] = 'Function("return unescape")()("%"'+ key.charCodeAt(0).toString(16).replace(/(\d+)/g, "+($1)+\"") + '")';
}
}
}
function fillMissingDigits(){
var output, number, i;
for (number = 0; number < 10; number++){
output = "+[]";
if (number > 0){ output = "+!" + output; }
for (i = 1; i < number; i++){ output = "+!+[]" + output; }
if (number > 1){ output = output.substr(1); }
MAPPING[number] = "[" + output + "]";
}
}
function replaceMap(){
var character = "", value, original, i, key;
function replace(pattern, replacement){
value = value.replace(
new RegExp(pattern, "gi"),
replacement
);
}
function digitReplacer(_,x) { return MAPPING[x]; }
function numberReplacer(_,y) {
var values = y.split("");
var head = +(values.shift());
var output = "+[]";
if (head > 0){ output = "+!" + output; }
for (i = 1; i < head; i++){ output = "+!+[]" + output; }
if (head > 1){ output = output.substr(1); }
return [output].concat(values).join("+").replace(/(\d)/g, digitReplacer);
}
for (i = MIN; i <= MAX; i++){
character = String.fromCharCode(i);
value = MAPPING[character];
if(!value) {continue;}
original = value;
for (key in CONSTRUCTORS){
replace("\\b" + key, CONSTRUCTORS[key] + '["constructor"]');
}
for (key in SIMPLE){
replace(key, SIMPLE[key]);
}
replace('(\\d\\d+)', numberReplacer);
replace('\\((\\d)\\)', digitReplacer);
replace('\\[(\\d)\\]', digitReplacer);
replace("GLOBAL", GLOBAL);
replace('\\+""', "+[]");
replace('""', "[]+[]");
MAPPING[character] = value;
}
}
function replaceStrings(){
var regEx = /[^\[\]\(\)\!\+]{1}/g,
all, value, missing,
count = MAX - MIN;
function findMissing(){
var all, value, done = false;
missing = {};
for (all in MAPPING){
value = MAPPING[all];
if (value.match(regEx)){
missing[all] = value;
done = true;
}
}
return done;
}
function mappingReplacer(a, b) {
return b.split("").join("+");
}
function valueReplacer(c) {
return missing[c] ? c : MAPPING[c];
}
for (all in MAPPING){
MAPPING[all] = MAPPING[all].replace(/\"([^\"]+)\"/gi, mappingReplacer);
}
while (findMissing()){
for (all in missing){
value = MAPPING[all];
value = value.replace(regEx, valueReplacer);
MAPPING[all] = value;
missing[all] = value;
}
if (count-- === 0){
console.error("Could not compile the following chars:", missing);
}
}
}
function encode(input, wrapWithEval){
var output = [];
if (!input){
return "";
}
var r = "";
for (var i in SIMPLE) {
r += i + "|";
}
r+=".";
input.replace(new RegExp(r, 'g'), function(c) {
var replacement = SIMPLE[c];
if (replacement) {
output.push("[" + replacement + "]+[]");
} else {
replacement = MAPPING[c];
if (replacement){
output.push(replacement);
} else {
if (c === "J") {
replacement =
"([][" + encode("filter") + "]" +
"[" + encode("constructor") + "]" +
"(" + encode("return new Date(200000000)") + ")()+[])[!+[]+!+[]+!+[]+!+[]]";
output.push(replacement);
MAPPING[c] = replacement;
} else if (c === "O") {
replacement =
"([][" + encode("filter") + "]" +
"[" + encode("constructor") + "]" +
"(" + encode("return new Date(24000000000)") + ")()+[])[!+[]+!+[]+!+[]+!+[]]";
output.push(replacement);
MAPPING[c] = replacement;
} else {
replacement =
"([]+[])[" + encode("constructor") + "]" +
"[" + encode("fromCharCode") + "]" +
"(" + encode(c.charCodeAt(0) + "") + ")";
output.push(replacement);
MAPPING[c] = replacement;
}
}
}
});
output = output.join("+");
if (/^\d$/.test(input)){
output += "+[]";
}
if (wrapWithEval){
output = "[][" + encode("filter") + "]" +
"[" + encode("constructor") + "]" +
"(" + output + ")()";
}
return output;
}
fillMissingDigits();
fillMissingChars();
replaceMap();
replaceStrings();
self.JSFuck = {
encode: encode
};
})(typeof(exports) === "undefined" ? window : exports);
显示效果：fuckjs加密
参考文章：http://www.itmacom.com/gl/33515.html
