Stops Google Forms from being locked, consequently letting you do them without a chromebook.
// ==UserScript==
// @name Google Forms Unlocker
// @namespace https://github.com/xNasuni/google-forms-unlocker
// @description Stops Google Forms from being locked, consequently letting you do them without a chromebook.
// @author Mia @ github.com/xNasuni
// @match *://docs.google.com/forms/*
// @grant GM_addStyle
// @version 1.7
// @run-at document-start
// @license GPL-3.0
// @supportURL https://github.com/xNasuni/google-forms-unlocker/issues
// ==/UserScript==
const kAssessmentAssistantExtensionId = "gndmhdcefbhlchkhipcnnbkcmicncehk"
const ERROR_USER_AGENT = "_useragenterror"
const ERROR_UNKNOWN = "_unknown"
var shouldSpoof = location.hash === "#gfu"
// support for browsers other than chrome.
unsafeWindow.chrome = unsafeWindow.chrome || {}
unsafeWindow.chrome.runtime = unsafeWindow.chrome.runtime || {}
unsafeWindow.chrome.runtime.sendMessage = unsafeWindow.chrome.runtime.sendMessage || function(extId, payload, callback){chrome.runtime.lastError = 1; callback()}
const oldSendMessage = unsafeWindow.chrome.runtime.sendMessage
if (GM_addStyle === undefined) {
// https://stackoverflow.com/questions/23683439/gm-addstyle-equivalent-in-tampermonkey
GM_addStyle = function (css) {
const style = unsafeWindow.document.getElementById("GM_addStyleBy8626") || (function () {
const style = unsafeWindow.document.createElement('style');
style.type = 'text/css';
style.id = "GM_addStyleBy8626";
unsafeWindow.document.head.appendChild(style);
return style;
})();
const sheet = style.sheet;
sheet.insertRule(css, (sheet.rules || sheet.cssRules || []).length);
}
}
function ButtonAction() {
location.hash = "gfu"
location.reload()
}
function MatchExtensionId(ExtensionId) {
return ExtensionId === kAssessmentAssistantExtensionId
}
function GetGoogleForm() {
const Containers = unsafeWindow.document.querySelectorAll("div.RGiwf")
var Form
for (const Container of Containers) {
for (const Child of Container.childNodes) {
if (Child.nodeName == "FORM") {
Form = Child
}
}
}
return Form
}
function GetQuizHeader() {
const QuizHeader = unsafeWindow.document.querySelector("div.mGzJpd")
return QuizHeader
}
function PageIsErrored() {
const QuizHeader = GetQuizHeader()
if (QuizHeader === null) { return false }
const ChildNodes = QuizHeader.childNodes
if (ChildNodes[3].getAttribute("aria-live") === "assertive" && ChildNodes[4].getAttribute("aria-live") === "assertive") {
return {title: ChildNodes[3].innerText, description: ChildNodes[4].innerText}
}
return false
}
function MatchErrorType(error) {
if (error.title === "You can't access this quiz." && error.description === "Locked mode is on. Only respondents using managed Chromebooks can open this quiz. Learn more") {
return ERROR_USER_AGENT
}
return ERROR_UNKNOWN
}
function MakeButton(Text, Callback, Color) {
const Form = GetGoogleForm()
if (Form === undefined) { return false }
const ButtonHolder = Form.childNodes[2]
const Button = unsafeWindow.document.createElement("div")
Button.classList.value = "uArJ5e UQuaGc Y5sE8d TIHcue QvWxOd"
Button.style.marginLeft = "10px"
Button.style.backgroundColor = Color
Button.setAttribute("role", "button")
Button.setAttribute("tabindex", ButtonHolder.childNodes.length)
Button.setAttribute("mia-gfu-state", "custom-button")
ButtonHolder.appendChild(Button)
const Glow = unsafeWindow.document.createElement("div")
Glow.classList.value = "Fvio9d MbhUzd"
Glow.style.top = '21px'
Glow.style.left = '9px'
Glow.style.width = '110px'
Glow.style.height = '110px'
Button.appendChild(Glow)
const TextContainer = unsafeWindow.document.createElement("span")
TextContainer.classList.value = "l4V7wb Fxmcue"
Button.appendChild(TextContainer)
const TextSpan = unsafeWindow.document.createElement("span")
TextSpan.classList.value = "NPEfkd RveJvd snByac"
TextSpan.innerText = Text
TextContainer.appendChild(TextSpan)
Button.addEventListener("click", Callback)
return {destroy: function(){Button.remove()}}
}
async function IsOnChromebook() {
return new Promise((resolve, _reject) => {
oldSendMessage(kAssessmentAssistantExtensionId, {command: "isLocked"}, function(_response) {
if (unsafeWindow.chrome.runtime.lastError) {
resolve(false)
}
resolve(true)
})
})
}
async function Initialize() {
GM_addStyle(`
.gfu-red {
font-family: monospace;
text-align: center;
font-size: 11px;
padding-top: 24px;
color: red !important;
}
.EbMsme {
transition: filter cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
filter: blur(8px) !important;
}
.EbMsme:hover {
filter: blur(0px) !important;
}
`)
const Errored = PageIsErrored()
if (Errored !== false) {
switch (MatchErrorType(Errored)) {
case ERROR_USER_AGENT:
const QuizHeader = GetQuizHeader()
const Error = unsafeWindow.document.createElement("div")
Error.classList.value = "gfu-red"
QuizHeader.appendChild(Error)
const ErrorSpan = unsafeWindow.document.createElement("span")
ErrorSpan.innerText = "Google Forms Unlocker - In order to continue, you need a User Agent Spoofer. "
Error.appendChild(ErrorSpan)
const AnchorSpan = unsafeWindow.document.createElement("a")
AnchorSpan.classList.value = "gfu-red"
AnchorSpan.innerText = "Install one here."
AnchorSpan.target = "_blank"
AnchorSpan.rel = "noopener"
AnchorSpan.href = "https://github.com/xNasuni/google-forms-unlocker/blob/main/README.md#spoofing-your-user-agent"
ErrorSpan.appendChild(AnchorSpan)
break
default:
alert(`Unhandled error type: ${JSON.stringify(Errored)}`)
}
return
}
const Form = GetGoogleForm()
if (Form === undefined) { return false }
const IsRealManagedChromebook = await IsOnChromebook()
if (IsRealManagedChromebook === false) {
const ButtonHolder = Form.childNodes[2]
for (const Button of ButtonHolder.childNodes) {
if (Button.getAttribute("mia-gfu-state") === "custom-button") { continue }
Button.style.backgroundColor = "#ccc"
Button.setAttribute("jsaction", "")
}
}
MakeButton("Bypass", ButtonAction, "#ff90bf")
}
var fakeIsLocked = shouldSpoof
function InterceptCommand(Payload, Callback) {
switch (Payload.command) {
case "isLocked":
Callback({locked: fakeIsLocked})
return true
case "lock":
if (shouldSpoof) {
return false
}
fakeIsLocked = false
Callback({locked: fakeIsLocked})
return true
case "unlock":
fakeIsLocked = false
Callback({locked: fakeIsLocked})
return true
}
return false
}
setInterval(() => {
unsafeWindow.chrome.runtime.sendMessage = function() {
const ExtensionId = (arguments)[0]
const Payload = (arguments)[1]
const Callback = (arguments)[2]
if (MatchExtensionId(ExtensionId)) {
const Intercepted = InterceptCommand(Payload, Callback)
if (Intercepted) { return null }
}
console.warn("Not intercepting", ExtensionId, Payload, Callback)
return oldSendMessage(ExtensionId, Payload, function() {
if (unsafeWindow.chrome.runtime.lastError) {
alert(`Google Forms Unlocker, please report this to the GitHub https://github.com/xNasuni/google-forms-unlocker/issues\nUnhandled error: ${JSON.stringify(chrome.runtime.lastError)}`)
return
}
Callback.apply(this, arguments)
})
}
})
unsafeWindow.document.addEventListener("DOMContentLoaded", () => {
unsafeWindow.console.log("Initialized")
Initialize()
})
Object.defineProperty(unsafeWindow.document, 'hidden', {
value: false,
writable: false
})
Object.defineProperty(unsafeWindow.document, 'visibilityState', {
value: "visible",
writable: false
})
Object.defineProperty(unsafeWindow.document, 'webkitVisibilityState', {
value: "visible",
writable: false
})
Object.defineProperty(unsafeWindow.document, 'mozVisibilityState', {
value: "visible",
writable: false
})
Object.defineProperty(unsafeWindow.document, 'msVisibilityState', {
value: "visible",
writable: false
})
const BlacklistedEvents = ['mozvisibilitychange', 'webkitvisibilitychange', 'msvisibilitychange', 'visibilitychange']
const oldAddEventListener = unsafeWindow.document.addEventListener;
unsafeWindow.document.addEventListener = function() {
const EventType = (arguments)[0]
const Method = (arguments)[1]
const Options = (arguments)[2]
if (BlacklistedEvents.indexOf(EventType) !== -1) {
console.log(`type ${EventType} blocked from being registered with`, Method)
return
}
return oldAddEventListener.apply(this, arguments)
}