您需要先安装一个扩展,例如 篡改猴、Greasemonkey 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 Userscripts ,之后才能安装此脚本。
您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。
您需要先安装用户脚本管理器扩展后才能安装此脚本。
unlocks locked symbolab step-by-step instructions by overwriting XMLHttpRequest
当前为
// ==UserScript== // @name Unlock locked steps in Symbolab [working] // @namespace http://*.symbolab.com/* // @version 1.03 // @description unlocks locked symbolab step-by-step instructions by overwriting XMLHttpRequest // @author joseph // @match *://*.symbolab.com/* // @grant none // ==/UserScript== (function(open) { var patched = 0; var signedIn = true; function patchResponseLoop(obj) { for (var k in obj) { if (typeof obj[k] == "object" && obj[k] !== null) { patchResponseLoop(obj[k]); } else { if (k == "isLocked") { obj[k] = false; console.log("[patcher] patched a symbolab isLocked property"); patched++; } } } } var open_prototype = XMLHttpRequest.prototype.open, intercept_response = function(urlpattern, callback) { XMLHttpRequest.prototype.open = function() { arguments['1'].match(urlpattern) && this.addEventListener('readystatechange', function(event) { if ( this.readyState === 4 ) { var response = callback(event.target.responseText); // allow intercepted responses to be written to Object.defineProperty(this, 'response', {writable: true}); Object.defineProperty(this, 'responseText', {writable: true}); this.response = this.responseText = response; } }); return open_prototype.apply(this, arguments); }; }; if (signedIn) { intercept_response(/steps/i, function(response) { console.log("[patcher] intercept request, current RES ", JSON.parse(response)); var parsedO = JSON.parse(response); patchResponseLoop(parsedO); console.log("[patcher] === PATCHSET COMPLETE, enjoy ==="); document.getElementById("PlotLink").innerHTML = "<b>Unlocked " + patched + " step(s)!</b>"; return JSON.stringify(parsedO); }); } else { document.getElementById("PlotLink").innerHTML = "<b>Please sign in to Symbolab to unlock steps.</b>"; } // tell the user that the script will not work unless they are // signed into a free account if (document.getElementsByClassName("signedin").length < 5) { // hacky way to determine whether logged in signedIn = false; alert("[Symbolab Unlock] ALERT! It looks like you are not logged into any Symbolab account. Note that Symbolab has recently changed their backend and steps are only sent if you are logged in. The script will not work until you create a free Symbolab account and sign in to it. If you are signed in, ignore this message."); } })(XMLHttpRequest.prototype.open);