Update JWT lesson
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/**
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This is the basic javascript that can be used for a quiz assignment. It is made for single choice quizzes (tho a multiple choice extension should be easy to make).
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Basic steps for implementing a quiz:
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1. HTML: include this js script file for the assignment, build a basic form, where you include a #q_container div element, create a submit button with "Quiz_solutions" as name attribute
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2. JSON: Create a JSON-file with the name questions_lesson_name.json, include a span element #quiz_id with lesson_name as the data-quiz_id attribute. Build a JSON file like the one in sql-injection -> resources -> js
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3. Java: Create a normal assignment that has a String[] where the correct solutions are contained in the form of "Solution [i]", replace [i] with the position of the solution beginning at 1.
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The request parameters will contain the answer in full text with "Solution [i]" in front of the text. Use them to check the answers validity.
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4. CSS: include the css/quiz.css file for styling.
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**/
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$(function () {
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var json = "";
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var client = new XMLHttpRequest();
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var quiz_id = document.getElementById("quiz_id").getAttribute("data-quiz_id");
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client.open('GET', '/WebGoat/lesson_js/questions_' + quiz_id + '.json');
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client.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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json += client.responseText;
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console.log("entry");
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let questionsJson = json;
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var questionsObj = JSON.parse(questionsJson);
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let html = "";
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jQuery.each(questionsObj, function(i, obj) {
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jQuery.each(obj, function(j, quest) {
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html += "<div id='question_" + j + "' class='quiz_question' name='question'><p>" + (j+1) + ". " + quest.text + "</p>";
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html += "<fieldset>";
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jQuery.each(quest.solutions, function(k, solution) {
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solution = "Solution " + k + ": " + solution;
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html += '<input id="question_' + j + '_' + k + '_input" type="radio" name="question_' + j +'_solution" value="' + solution + '" required><label for="question_' + j + '_' + k + '_input">' + solution + '</label><br>';
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});
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html += "</fieldset></div>";
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});
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});
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document.getElementById("q_container").innerHTML = html;
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}
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}
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client.send();
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});
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$(document).ready( () => {
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$("#q_container").closest(".attack-container").addClass("quiz");
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$("#q_container").closest("form").on("submit", function(e) {
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setTimeout(getFeedback, 200, this);
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}); // end listener
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}); // end ready
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function getFeedback(context) {
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$.ajax({
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url: $(context).attr("action")
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}).done( (result) => {
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if (!result) return;
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for(let i=0; i<result.length; i++) {
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if (result[i] === true)
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$("#q_container .quiz_question:nth-of-type(" + (i+1) + ")").removeClass("incorrect").addClass("correct");
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else if (result[i] === false)
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$("#q_container .quiz_question:nth-of-type(" + (i+1) + ")").removeClass("correct").addClass("incorrect");
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}
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}); // end ajax-done
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} // end getFeedback
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