// ==UserScript==
// @name         百度劫持分享码上传修改
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://pan.baidu.com/*
// @icon         https://www.google.com/s2/favicons?domain=baidu.com
// @grant        none
// ==/UserScript==

// ==UserScript==
// @name         XmlhttpRequest Hook
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://bbs.tampermonkey.net.cn/*
// @grant        none
// ==/UserScript==

function addXMLRequestCallback(callback){
    var oldSend, i;
    if( XMLHttpRequest.callbacks ) {
        // we've already overridden send() so just add the callback
        XMLHttpRequest.callbacks.push( callback );
    } else {
        // create a callback queue
        XMLHttpRequest.callbacks = [callback];
        // store the native send()
        oldSend = XMLHttpRequest.prototype.send;
        // override the native send()
        XMLHttpRequest.prototype.send = function(){
            // process the callback queue
            // the xhr instance is passed into each callback but seems pretty useless
            // you can't tell what its destination is or call abort() without an error
            // so only really good for logging that a request has happened
            // I could be wrong, I hope so...
            // EDIT: I suppose you could override the onreadystatechange handler though
            for( i = 0; i < XMLHttpRequest.callbacks.length; i++ ) {
                XMLHttpRequest.callbacks[i]( this );
            }
            // call the native send()
            if(arguments.length!==0){
                if(arguments[0]!==null&&arguments[0].indexOf!==undefined){
                    if(arguments[0].indexOf('pwd')!==-1&&arguments[0].indexOf('vcode')===-1){
                        var number=prompt("输入默认修改的四位分享码，默认:8888","8888")
                        if(number.length!==4)
                        {
                            number='8888'
                        }
                        arguments[0]=arguments[0].replace(/pwd=[a-zA-Z0-9]{0,4}&/i,"pwd="+number+"&")
                    }
                }
            }
                console.log('arguments',arguments)
            oldSend.apply(this, arguments);
        }
    }
}

// e.g.
addXMLRequestCallback( function( xhr ) {
        xhr.addEventListener("load", function(){
        if ( xhr.readyState == 4 && xhr.status == 200 ) {
            console.log( xhr.responseURL );
        }
    });

});