tis-cheater.user.js

// ==UserScript==
// @name         SUSTech tis cheater
// @namespace    https://blog.vollate.top/
// @version      1.2.1
// @description  SUSTech 可能会变质，但绝对不会倒闭
// @author       Vollate
// @match        https://tis.sustech.edu.cn/*
// @icon         https://www.sustech.edu.cn/static/images/favicon.ico
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @require      https://s4.zstatic.net/ajax/libs/jquery/3.7.1/jquery.min.js
// ==/UserScript==

(function () {
    'use strict';
    const FetchHeaders = {
        "Accept": "*/*",
        "Accept-Encoding": "gzip, deflate, br",
        "Accept-Language": "en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh;q=0.6",
        "Connection": "keep-alive",
        "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",
        "Host": "tis.sustech.edu.cn",
        "Origin": "https://tis.sustech.edu.cn",
        "Referer": "https://tis.sustech.edu.cn/Xsxk/query/1",
        "RoleCode": "01",
        "Sec-Fetch-Dest": "empty",
        "Sec-Fetch-Mode": "cors",
        "Sec-Fetch-Site": "same-origin",
        "X-Requested-With": "XMLHttpRequest",
        "sec-ch-ua": `"Not A(Brand";v="99", "Google Chrome";v="121", "Chromium";v="121"`,
        "sec-ch-ua-mobile": "?0",
        "sec-ch-ua-platform": `"Linux"`
    };

    const CSSManager = {
        modalOverlay: {
            position: 'fixed',
            top: '0',
            left: '0',
            width: '100%',
            height: '100%',
            backgroundColor: 'rgba(0, 0, 0, 0.6)',
            zIndex: '1000'
        }, modal: {
            position: 'fixed',
            top: '50%',
            left: '50%',
            transform: 'translate(-50%, -50%)',
            backgroundColor: '#f9f9f9',
            padding: '20px',
            borderRadius: '10px',
            boxShadow: '0 5px 15px rgba(0, 0, 0, 0.3)',
            zIndex: '9999',
            maxWidth: '400px',
            width: '100%'
        }, modalTitle: {
            margin: '0 0 20px 0',
            fontSize: '20px',
            textAlign: 'center',
            color: '#333',
            borderBottom: '2px solid #ddd',
            paddingBottom: '10px'
        }, courseLine: {
            display: 'flex',
            justifyContent: 'space-between',
            alignItems: 'center',
            marginBottom: '12px',
            padding: '10px',
            backgroundColor: '#fff',
            borderRadius: '5px',
            boxShadow: '0 1px 3px rgba(0, 0, 0, 0.1)',
            fontSize: '16px',
            color: '#555'
        }, deleteButton: {
            padding: '5px 10px',
            backgroundColor: '#e74c3c',
            color: '#fff',
            border: 'none',
            borderRadius: '5px',
            cursor: 'pointer',
            fontSize: '14px'
        }, closeButton: {
            display: 'block',
            margin: '20px auto 0',
            padding: '10px 20px',
            backgroundColor: '#3498db',
            color: '#fff',
            border: 'none',
            borderRadius: '5px',
            cursor: 'pointer',
            fontSize: '16px'
        }, popupNotification: {
            position: 'fixed',
            top: '20px',
            right: '20px',
            backgroundColor: '#01af15',
            color: '#fff',
            padding: '10px 20px',
            borderRadius: '5px',
            boxShadow: '0 2px 10px rgba(0, 0, 0, 0.2)',
            zIndex: '1001',
            fontSize: '16px',
            opacity: '0.9',
            display: 'flex',
            alignItems: 'center'
        }, messageContainer: {
            position: 'fixed',
            bottom: '20px',
            right: '20px',
            width: '300px',
            maxHeight: '200px',
            backgroundColor: '#f1f1f1',
            borderRadius: '8px',
            boxShadow: '0 2px 10px rgba(0, 0, 0, 0.2)',
            padding: '10px',
            zIndex: '1001',
            fontSize: '14px',
            color: '#333',
            display: 'flex',
            flexDirection: 'column'
        }, messageHeader: {
            display: 'flex',
            justifyContent: 'space-between',
            alignItems: 'center',
            borderBottom: '2px solid #ddd',
            paddingBottom: '8px',
            marginBottom: '10px',
            fontWeight: 'bold',
            position: 'sticky',
            top: '0',
            backgroundColor: '#f1f1f1',
            zIndex: '1001'
        }
    };

    const originalXHROpen = XMLHttpRequest.prototype.open;
    const originalXHRSend = XMLHttpRequest.prototype.send;

    function showAsyncPopup(message, duration) {
        let $popup = $('<div>').css(CSSManager.popupNotification);

        $popup.text(message);

        $('body').append($popup);

        setTimeout(() => {
            $popup.fadeOut(300, function () {
                $(this).remove();
            });
        }, duration);
    }

    function getGMAry_(key) {
        var str = GM_getValue(key);
        return str ? JSON.parse(str) : [];
    }

    function appendGMAry_(key, val) {
        var vals = getGMAry_(key);
        vals.push(val);
        GM_setValue(key, JSON.stringify(vals));
    }

    function clearGM_(key) {
        GM_setValue(key, undefined)
    }

    function enableAllButtons_() {
        var allButtons = document.querySelectorAll('button');
        var targetButtons = Array.prototype.filter.call(allButtons, function (button) {
            var span = button.querySelector('span');
            return span && span.textContent === '选课' && button.hasAttribute('disabled');
        });

        targetButtons.forEach(function (button) {
            button.removeAttribute('disabled');
        });
    }

    function xhrBodyToFetchBody(body) {
        if (body instanceof FormData) {
            return body;
        } else if (typeof body === 'string') {
            try {
                const json = JSON.parse(body);
                return JSON.stringify(json);
            } catch (e) {
                return body;
            }
        } else if (body instanceof ArrayBuffer || body instanceof Blob) {
            return body;
        } else if (typeof body === 'object' && body !== null) {
            return JSON.stringify(body);
        }
        return null;
    }

    XMLHttpRequest.prototype.open = function (method, url, async, user, password) {
        this._url = url;
        originalXHROpen.apply(this, arguments);
    };

    XMLHttpRequest.prototype.send = function (body) {
        if (this._url.endsWith('Xsxk/addGouwuche')) {
            this.addEventListener('readystatechange', function () {
                if (this.readyState === 4) {
                    new Promise(resolve => setTimeout(resolve, 4000)).then(() => {
                        fetch(this._url, {
                            method: 'POST',
                            headers: FetchHeaders,
                            body: xhrBodyToFetchBody(body),
                            credentials: 'include'
                        }).then(res => res.json()).then(data => {
                            let CourseName = data.message.split('课程：')[1];
                            console.log(data);
                            showAsyncPopup("Add course \"" + CourseName + "\" to course list", 5000);
                            appendGMAry_('SelectedCourses', {name: CourseName, body: xhrBodyToFetchBody(body)});
                        })
                    });
                }
            });
        }
        return originalXHRSend.apply(this, arguments);
    };

    function createMessageContainer() {
        let $container = $('<div id="messageContainer">').css(CSSManager.messageContainer);

        let $header = $('<div>').css(CSSManager.messageHeader);

        $header.text('Messages');

        let $closeButton = $('<span>').text('×').css({
            cursor: 'pointer', fontSize: '18px', fontWeight: 'bold', lineHeight: '1'
        });

        $closeButton.on('click', function () {
            $container.remove();
        });

        $header.append($closeButton);
        $container.append($header);
        $container.append($('<div id="messageContent">').css({
            flex: '1', overflowY: 'auto'
        }));

        $('body').append($container);
    }

    function appendMessage(courseName) {
        let $message = $('<div>').text('Success: ' + courseName).css({
            padding: '5px 0', borderBottom: '1px solid #ddd'
        });

        $('#messageContent').append($message);
        // $('#messageContent').scrollTop($('#messageContent')[0].scrollHeight);
    }


    async function startRace_(targetCourses, interval) {
        if (targetCourses.length === 0) {
            alert('Your course list is empty, you need to add at least one course');
            return;
        }
        showAsyncPopup('SUSTech tis cheater: start', 5000);

        if ($('#messageContainer').length === 0) {
            createMessageContainer();
        }

        while (GM_getValue('Start')) {
            for (let i = 0; i < targetCourses.length; i++) {
                fetch('https://tis.sustech.edu.cn/Xsxk/addGouwuche', {
                    method: 'POST', headers: FetchHeaders, body: targetCourses[i].body, credentials: 'include'
                }).then(res => res.json())
                    .then(data => {
                        if (data.jg === '1') {
                            console.log('Success: ' + targetCourses[i].name);
                            appendMessage(targetCourses[i].name);
                        }
                    });
                await new Promise(resolve => setTimeout(resolve, interval));
            }
        }

        showAsyncPopup('SUSTech tis cheater: stop', 5000);
    }

    function updateCourses(courses) {
        GM_setValue('SelectedCourses', JSON.stringify(courses));
    }

    async function initAll() {
        $(document).ready(function () {
            GM_registerMenuCommand("Start", () => {
                GM_setValue('Start', '1');
                startRace_(getGMAry_('SelectedCourses'), GM_getValue('Interval', 200));
            });

            GM_registerMenuCommand("Stop", () => {
                clearGM_('Start')
            });

            GM_registerMenuCommand("Show selected", () => {
                let courses = getGMAry_('SelectedCourses');
                let $modalOverlay = $('<div>').css(CSSManager.modalOverlay);
                let $modal = $('<div>').css(CSSManager.modal);
                let $modalTitle = $('<h2>').text('Selected Courses').css(CSSManager.modalTitle);
                $modal.append($modalTitle);
                let $courseList = $('<div>');

                if (courses.length === 0) {
                    let $emptyMessage = $('<div>').text('No courses selected').css({
                        textAlign: 'center', fontSize: '16px', color: '#888', padding: '20px 0'
                    });
                    $courseList.append($emptyMessage);
                }

                for (let i = 0; i < courses.length; ++i) {
                    let $courseLine = $('<div>').css(CSSManager.courseLine);
                    let $courseInfo = $('<span>').text((i + 1) + '. ' + courses[i].name);
                    let $deleteButton = $('<button>').text('Delete').css(CSSManager.deleteButton);
                    $deleteButton.on('click', function () {
                        courses.splice(i, 1);
                        updateCourses(courses);
                        $courseLine.remove();
                    });
                    $courseLine.append($courseInfo).append($deleteButton);
                    $courseList.append($courseLine);
                }
                $modal.append($courseList);

                let $closeButton = $('<button>').text('Close').css(CSSManager.closeButton);

                $closeButton.on('click', function () {
                    $modalOverlay.remove();
                });

                $modal.append($closeButton);
                $modalOverlay.append($modal);
                $('body').append($modalOverlay);
            });

            GM_registerMenuCommand("Clear all courses", () => {
                if (confirm('Are you sure to clear selected all courses?')) {
                    clearGM_('SelectedCourses');
                }
            });

            GM_registerMenuCommand("Set Interval", () => {
                let interval = prompt('Set the interval between each request (ms)', GM_getValue('Interval', 200));
                GM_setValue('Interval', interval);
            });
        });
    }

    function onDomChange(mutationsList, observer) {
        for (let mutation of mutationsList) {
            if (mutation.type === 'childList') {
                initAll();
            }
        }
    }

    const observer = new MutationObserver(onDomChange);

    observer.observe(document.body, {
        childList: true, subtree: true
    });

    setInterval(enableAllButtons_, 2000);

    clearGM_('Start');
})();