ED-Puzzle Hack

An Ed-Puzzle Hack with a LOT of Features!!!!!!!
安裝腳本 ?
Wrap lines
// ==UserScript==
// @name         ED-Puzzle Hack
// @namespace    https://github.com/longkidkoolstar
// @description  An Ed-Puzzle Hack with a LOT of Features!!!!!!!
// @author       longkidkoolstar
// @version      0.2.1
// @icon         https://th.bing.com/th/id/OIP.3LKllA9fA7DTJ4Kb92LbowHaHa?rs=1&pid=ImgDetMain
// @match        *://edpuzzle.com/lti/*
// @match        *://edpuzzle.com/assignments/*
// @match        *://edpuzzle.com/media/*
// @match        *://youtube.com/embed*
// @match        *://youtube-nocookie.com/embed*
// @grant        none
// @license      GPL
// ==/UserScript==
 
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
 
//Copyright (C) [2024] [longkidkoolstar]
// This script is based on the original code from the edpuzzle-answers project by ading2210
// See: https://github.com/ading2210/edpuzzle-answers
 
 
 
var popup = null;
var base_url;
if (typeof document.dev_env != "undefined") {
  base_url = document.dev_env;
}
else {
  //get resources off of github to not inflate the jsdelivr stats
  base_url = "https://raw.githubusercontent.com/ading2210/edpuzzle-answers/main";
}
 
function http_get(url, callback, headers=[], method="GET", content=null) {
  var request = new XMLHttpRequest();
  request.addEventListener("load", callback);
  request.open(method, url, true);
 
  if (window.__EDPUZZLE_DATA__ && window.__EDPUZZLE_DATA__.token) {
    headers.push(["authorization", window.__EDPUZZLE_DATA__.token]);
  }
  for (const header of headers) {
    request.setRequestHeader(header[0], header[1]);
  }
 
  request.send(content);
}
function createActivationButton() {
  // Create a button element
  var activationButton = document.createElement("button");
 
  // Set the button text
  activationButton.textContent = "Activate Edpuzzle Script";
 
  // Add a click event listener to the button
  activationButton.addEventListener("click", function () {
    // Call the init function to activate the Edpuzzle script
    init();
  });
 
  // Create a style for the button
  var buttonStyle = `
background-color: #00ADEF;
color: #FFFFFF;
padding: 10px 20px;
font-size: 16px;
border: none;
cursor: pointer;
transition: opacity 0.3s ease-in-out; /* Add a smooth transition effect */
 
  `;
 
  // Apply the style to the button
  activationButton.style.cssText = buttonStyle;
 
  // Add a hover effect
  activationButton.addEventListener("mouseover", function () {
    activationButton.style.opacity = 0.8; // Adjust the opacity as needed
  });
 
  // Restore the original opacity on mouseout
  activationButton.addEventListener("mouseout", function () {
    activationButton.style.opacity = 1;
  });
 
  // Append the button to the body of the document
  document.body.appendChild(activationButton);
}
 
 
// Call the function to create the activation button
createActivationButton();
 
 
function init() {
  if (window.location.hostname == "edpuzzle.hs.vc") {
    alert("To use this, drag this button into your bookmarks bar. Then, run it when you're on an Edpuzzle assignment.");
  }
  else if ((/https{0,1}:\/\/edpuzzle.com\/assignments\/[a-f0-9]{1,30}\/watch/).test(window.location.href)) {
    getAssignment();
  }
  else if (window.canvasReadyState) {
    handleCanvasURL();
  }
  else if (window.schoologyMoreLess) {
    handleSchoologyURL();
  }
  else {
    alert("Please run this script on an Edpuzzle assignment. For reference, the URL should look like this:\nhttps://edpuzzle.com/assignments/{ASSIGNMENT_ID}/watch");
  }
}
 
function handleCanvasURL() {
  let location_split = window.location.href.split("/");
  let url = `/api/v1/courses/${location_split[4]}/assignments/${location_split[6]}`;
  http_get(url, function(){
    let data = JSON.parse(this.responseText);
    let url2 = data.url;
 
    http_get(url2, function() {
      let data = JSON.parse(this.responseText);
      let url3 = data.url;
 
      alert(`Please re-run this script in the newly opened tab. If nothing happens, then allow popups on Canvas and try again.`);
      open(url3);
    });
  });
}
 
function handleSchoologyURL() {
  let assignment_id = window.location.href.split("/")[4];
  let url = `/external_tool/${assignment_id}/launch/iframe`;
  http_get(url, function() {
    alert(`Please re-run this script in the newly opened tab. If nothing happens, then allow popups on Schoology and try again.`);
 
    //strip js tags from response and add to dom
    let html = this.responseText.replace(/<script[\s\S]+?<\/script>/, "");
    let div = document.createElement("div");
    div.innerHTML = html;
    let form = div.querySelector("form");
 
    let input = document.createElement("input")
    input.setAttribute("type", "hidden");
    input.setAttribute("name", "ext_submit");
    input.setAttribute("value", "Submit");
    form.append(input);
    document.body.append(div);
 
    //submit form in new tab
    form.setAttribute("target", "_blank");
    form.submit();
    div.remove();
  });
}
 
function getAssignment(callback) {
  var assignment_id = window.location.href.split("/")[4];
  if (typeof assignment_id == "undefined") {
    alert("Error: Could not infer the assignment ID. Are you on the correct URL?");
    return;
  }
  var url1 = "https://edpuzzle.com/api/v3/assignments/"+assignment_id;
 
  http_get(url1, function(){
    var assignment = JSON.parse(this.responseText);
    if ((""+this.status)[0] == "2") {
      openPopup(assignment);
    }
    else {
      alert(`Error: Status code ${this.status} recieved when attempting to fetch the assignment data.`)
    }
  });
}
 
function openPopup(assignment) {
  var media = assignment.medias[0];
  var teacher_assignment = assignment.teacherAssignments[0];
  var assigned_date = new Date(teacher_assignment.preferences.startDate);
  var date = new Date(media.createdAt);
  thumbnail = media.thumbnailURL;
  if (thumbnail.startsWith("/")) {
    thumbnail = "https://"+window.location.hostname+thumbnail;
  }
 
  var deadline_text;
  if (teacher_assignment.preferences.dueDate == "") {
    deadline_text = "no due date"
  }
  else {
    deadline_text = "due on "+(new Date(teacher_assignment.preferences.dueDate)).toDateString();
  }
 
  var base_html = `
  <!DOCTYPE html>
  <head>
    <style>
      * {font-family: Arial}
    </style>
    <script>
      var base_url = "${base_url}";
      function http_get(url, callback) {
        var request = new XMLHttpRequest();
        request.addEventListener("load", callback);
        request.open("GET", url, true);
        request.send();
      }
      function get_tag(tag, url) {
        console.log("Loading "+url);
        http_get(url, function(){
          if ((""+this.status)[0] == "2") {
            var element = document.createElement(tag);
            element.innerHTML = this.responseText;
            document.getElementsByTagName("head")[0].appendChild(element);
          }
          else {
            console.error("Could not fetch "+url);
          }
        });
      }
      get_tag("style", base_url+"/app/popup.css");
      get_tag("script", base_url+"/app/popup.js");
      get_tag("script", base_url+"/app/videooptions.js");
      get_tag("script", base_url+"/app/videospeed.js");
    </script>
    <title>Answers for: ${media.title}</title>
  </head>
  <div id="header_div">
    <div>
      <img src="${thumbnail}" height="108px">
    </div>
    <div id="title_div">
      <p style="font-size: 16px"><b>${media.title}</b></h2>
      <p style="font-size: 12px">Uploaded by ${media.user.name} on ${date.toDateString()}</p>
      <p style="font-size: 12px">Assigned on ${assigned_date.toDateString()}, ${deadline_text}</p>
      <p style="font-size: 12px">Correct choices are <u>underlined</u>.</p>
      <input id="skipper" type="button" value="Skip Video" onclick="skip_video();" disabled/>
      <input id="answers_button" type="button" value="Answer Questions" onclick="answer_questions();" disabled/>
      <div id="speed_container" hidden>
        <label style="font-size: 12px" for="speed_dropdown">Video speed:</label>
        <select name="speed_dropdown" id="speed_dropdown" onchange="video_speed()">
          <option value="0.25">0.25</option>
          <option value="0.5">0.5</option>
          <option value="0.75">0.75</option>
          <option value="1" selected>Normal</option>
          <option value="1.25">1.25</option>
          <option value="1.5">1.5</option>
          <option value="1.75">1.75</option>
          <option value="2">2</option>
          <option value="-1">Custom</option>
        </select>
        <label id="custom_speed_label" style="font-size: 12px" for="custom_speed"></label>
        <input type="range" id="custom_speed" name="custom_speed" value="1" min="0.1" max="16" step="0.1" oninput="video_speed()" hidden>
      </div>
      <div id="options_container">
        <label for="pause_on_focus" style="font-size: 12px">Don't pause on unfocus: </label>
        <input type="checkbox" id="pause_on_focus" name="pause_on_focus" onchange="toggle_unfocus();">
      </div>
    </div>
  </div>
  <hr>
  <div id="content">
    <p style="font-size: 12px" id="loading_text"></p>
  </div>
  <hr>
 `;
  popup = window.open("about:blank", "", "width=600, height=400");
  popup.document.write(base_html);
 
  popup.document.assignment = assignment;
  popup.document.dev_env = document.dev_env;
  popup.document.edpuzzle_data = window.__EDPUZZLE_DATA__;
 
  getMedia(assignment);
}
 
function getMedia(assignment) {
  var text = popup.document.getElementById("loading_text");
  text.innerHTML = `Fetching assignments...`;
 
  var media_id = assignment.teacherAssignments[0].contentId;
  var url2 = `https://edpuzzle.com/api/v3/media/${media_id}`;
 
  fetch(url2, {credentials: "omit"})
    .then(response => {
      if (!response.ok) {
        var text = popup.document.getElementById("loading_text");
        var content = popup.document.getElementById("content");
        popup.document.questions = questions;
        text.remove();
        content.innerHTML += `Error: Status code ${response.status} received when attempting to fetch the answers.`;
      }
      else return response.json();
    })
    .then(media => {
      parseQuestions(media.questions);
    })
}
 
function parseQuestions(questions) {
  var text = popup.document.getElementById("loading_text");
  var content = popup.document.getElementById("content");
  popup.document.questions = questions;
  text.remove();
 
  if (questions == null) {
    content.innerHTML += `<p style="font-size: 12px">Error: Could not get the media for this assignment. </p>`;
    return;
  }
 
  var question;
  var counter = 0;
  var counter2 = 0;
  for (let i=0; i<questions.length; i++) {
    for (let j=0; j<questions.length-i-1; j++) {
      if (questions[j].time > questions[j+1].time){
       let question_old = questions[j];
       questions[j] = questions[j + 1];
       questions[j+1] = question_old;
     }
    }
  }
 
  for (let i=0; i<questions.length; i++) {
    question = questions[i];
    let choices_lines = [];
 
    if (typeof question.choices != "undefined") {
      let min = Math.floor(question.time/60).toString();
      let secs = Math.floor(question.time%60).toString();
      if (secs.length == 1) {
        secs = "0"+secs;
      }
      let timestamp = min+":"+secs;
      let question_content;
      if (question.body[0].text != "") {
        question_content = `<p>${question.body[0].text}</p>`;
      }
      else {
        question_content = question.body[0].html;
      }
 
      let answer_exists = false;
      for (let j=0; j<question.choices.length; j++) {
        let choice = question.choices[j];
        if (typeof choice.body != "undefined") {
          counter++;
          let item_html;
          if (choice.body[0].text != "") {
            item_html = `<p>${choice.body[0].text}</p>`;
          }
          else {
            item_html = `${choice.body[0].html}`;
          }
          if (choice.isCorrect == true) {
            choices_lines.push(`<li class="choice choice-correct">${item_html}</li>`);
            answer_exists = true;
          }
          else {
            choices_lines.push(`<li class="choice">${item_html}</li>`);
          }
        }
      }
      if (!answer_exists) continue;
 
      let choices_html = choices_lines.join("\n");
      let table = ``
      if (counter2 != 0) {
        table += `<hr>`;
      }
      table += `
      <table>
        <tr class="header no_vertical_margin">
          <td class="timestamp_div no_vertical_margin">
            <p>[${timestamp}]</p>
          </td>
          <td class="question">
            ${question_content}
          </td>
        </tr>
        <tr>
          <td></td>
          <td>
            <ul style="margin-top: 6px; margin-bottom: 0px; padding-left: 18px;">
              ${choices_html}
            </ul>
          </td>
        </tr>
      </table>
      `;
 
      content.innerHTML += table;
      counter2++;
    }
  }
  popup.document.getElementById("skipper").disabled = false;
  if (counter == 0 || counter2 == 0) {
    content.innerHTML += `<p style="font-size: 12px">No valid multiple choice questions were found.</p>`;
  }
  else {
    popup.document.getElementById("answers_button").disabled = false;
  }
  popup.questions = questions;
}
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