XHR劫持返回内容例子
// ==UserScript==
// @name XHR劫持返回内容例子
// @namespace http://tampermonkey.net/
// @version 0.1
// @description try to take over the world!
// @author You
// @match http://127.0.0.1:8000/1.html
// @icon https://www.google.com/s2/favicons?domain=undefined.
// @grant none
// ==/UserScript==
var oldxhr=window.XMLHttpRequest
function newobj(){}
window.XMLHttpRequest=function(){
let tagetobk=new newobj();
tagetobk.oldxhr=new oldxhr();
let handle={
get: function(target, prop, receiver) {
if(prop==='oldxhr'){
return Reflect.get(target,prop);
}
if(typeof Reflect.get(target.oldxhr,prop)==='function')
{
if(Reflect.get(target.oldxhr,prop+'proxy')===undefined)
{
target.oldxhr[prop+'proxy']=new Proxy(Reflect.get(target.oldxhr,prop), {
apply: function(target, thisArg, argumentsList) {
debugger;
return Reflect.apply(target, thisArg.oldxhr, argumentsList);
}
});
}
return Reflect.get(target.oldxhr,prop+'proxy')
}
if(prop.indexOf('response')!==-1)
{
console.log('我们劫持成功了！',Reflect.get(target.oldxhr,prop))
return 'FFFFFFFFUCK'
}
return Reflect.get(target.oldxhr,prop);
},
set(target, prop, value) {
return Reflect.set(target.oldxhr, prop, value);
},
has(target, key) {
debugger;
return Reflect.has(target.oldxhr,key);
}
}
let ret = new Proxy(tagetobk, handle);
return ret;
}