KiitConnect Unlocker

Free as in beer.
当前为 2024-05-04 提交的版本，查看最新版本。
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// ==UserScript==
// @name         KiitConnect Unlocker
// @namespace    https://www.kiitconnect.com/
// @version      2.1
// @license      MIT
// @description  Free as in beer.
// @author       erucix
// @match        https://www.kiitconnect.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=kiitconnect.com
// ==/UserScript==
 
(function () {
    'use strict';
    // TODO: Make it false in production build or else code won't worlk.
 
    let devModeFlag = true;
 
    // If you find this flag as true please make it false.
 
    // It is only for dev for debugging purpose and won't give you any
    // super powers
 
    window.onload = function () {
        if (devModeFlag) {
            console.clear();
            console.log("[+] Unlocker Initiated.");
        }
 
        if (false) {
            let script = document.createElement("script");
            script.src = "http://127.0.0.1:8080/kiit-connect.js";
            document.body.appendChild(script);
        } else {
            // Removes a node and replaces with its clone and helps in removing all event listeners.
            function remove(node) {
                node.classList.remove("text-yellow-500", "cursor-not-allowed");
                let cursorNotAllowedList = [...node.querySelectorAll(".cursor-not-allowed")];
 
                cursorNotAllowedList.forEach(element => {
                    element.classList.add("text-cyan-500");
                    element.classList.remove("text-yellow-500", "cursor-not-allowed");
                });
 
                if (node.innerText == "Not Available") {
                    node.classList.add("whitespace-nowrap", "font-bold", "text-gray-400");
                } else {
                    node.classList.add("text-cyan-500");
                }
 
                var clonedNode = node.cloneNode(true);
                node.parentNode.replaceChild(clonedNode, node);
            }
 
            // Its a single paged application so continuously check for change in URL instead of onload.
            setInterval(function () {
 
                // Check if the script has already been loaded for given semester.
                if (!document.head.classList.contains(location.pathname)) {
 
                    // Clear all the previous class list.
                    document.head.classList = "";
 
                    // Add a class value indicating the script has been loaded for this semester.
                    document.head.classList.add(location.pathname);
 
 
 
                    let docRequired; // Type of document required. Can be: notes, pyqs
                    let branchName;  // Name of choosen branch. Can be: cse, csse, csce, it
                    let semesterId;  // Semester representation in number. Can be any between 1 to 6
 
                    let finalPath = location.pathname;
 
                    // Assign values only if we have sufficient information in URL.
 
                    if (finalPath.includes("/academic/PYQS") && finalPath != "/academic/PYQS") {
                        finalPath = finalPath.substring(finalPath.lastIndexOf("/") + 1);
                        finalPath = finalPath.split("-");
 
                        docRequired = location.search.substring(location.search.lastIndexOf("=") + 1);
                        branchName = finalPath[1].toLowerCase();
                        semesterId = Number(finalPath[2]);
 
                        // Fetching original source code so that we could get pdf links
                        fetch(location.href)
                            .then(data => data.text())
                            .then(data => {
                                // Making some adjustments to successfully parse it as JSON
 
                                let response = data.substring(data.lastIndexOf("1d:[\\") - 23);
                                response = response.replace("self.__next_f.push(", "");
                                response = response.substring(0, response.lastIndexOf(")</script>"));
 
                                let firstLevelRefined = JSON.parse(response);
                                let secondLevelRefined = firstLevelRefined[1];
                                secondLevelRefined = secondLevelRefined.substring(3);
 
                                let thirdLevelRefined = JSON.parse(secondLevelRefined);
 
                                let finalRefined = thirdLevelRefined[3].children[3].data.semesters[0].subjects;
 
                                if (devModeFlag) {
                                    console.log(finalRefined);
                                }
 
 
                                if (docRequired == "pyqs") {
                                    // Sort the list according to year
                                    finalRefined.forEach(element => {
                                        element.pyqs.sort((a, b) => {
                                            return Number(a.year) - Number(b.year);
                                        })
                                    });
 
                                    if (devModeFlag) {
                                        console.log(finalRefined);
                                    }
 
                                    let containerTables = document.querySelectorAll("table");
 
                                    // Used for storing loaded table indexes. SO don't touch the table
                                    // again later.
                                    let storedIndexArray = [];
 
                                    containerTables.forEach((element) => {
                                        let tableRowItems = [...element.querySelectorAll("tr")];
 
                                        // Since the first 'tr' is table header
 
                                        tableRowItems.shift();
 
                                        // Find a table such that the [numbers of paper we have] = [number of rows in table]
                                        // This reduces hassle of creating a new table
 
                                        let index = 0;
 
                                        for (let i = 0; i < finalRefined.length; i++) { //           Here we dont touch the loaded table
                                            if (finalRefined[i].pyqs.length == tableRowItems.length && !storedIndexArray.includes(i)) {
                                                index = i;
                                                storedIndexArray.push(i);
                                                break;
                                            }
                                        }
 
                                        let choosenSubject = finalRefined[index].pyqs;
 
 
                                        // Overwrite the 'td' values by our better sorted list
                                        tableRowItems.forEach((item, index1) => {
                                            let tdList = item.querySelectorAll("td");
 
                                            tdList[0].innerText = choosenSubject[index1].year;
                                            tdList[1].innerText = choosenSubject[index1].type;
 
                                            let anchor1 = tdList[2].querySelector("a");
                                            anchor1.innerText = choosenSubject[index1].name;
                                            anchor1.href = "https://drive.google.com/file/d/" + choosenSubject[index1].Question;
 
                                            // Replace the anchor
                                            remove(anchor1);
 
                                            let anchor2 = tdList[3].querySelector("a");
 
                                            if (choosenSubject[index1].solution != null) {
                                                if (anchor2 == null) {
                                                    anchor2 = document.createElement("a");
                                                    anchor2.target = "_blank";
 
                                                    tdList[3].innerText = "";
                                                    tdList[3].appendChild(anchor2);
                                                }
 
                                                anchor2.innerText = "Solution";
                                                anchor2.href = "https://drive.google.com/file/d/" + choosenSubject[index1].solution;
                                            } else {
                                                if (anchor2 != null) {
                                                    anchor2.innerHTML = "Not Available";
                                                }
                                            }
 
                                            if (anchor2 != null) {
                                                remove(anchor2);
                                            }
 
                                        });
                                    });
                                } else if (docRequired == "notes") {
 
                                    let subjectNoteContainer = [...document.querySelector("main").querySelector("div").querySelector("div").childNodes];
 
                                    // Since first one is unwanted jargon div.
                                    subjectNoteContainer.shift();
 
                                    // Store manipulated div that should not be re-touched.
 
                                    let storedIndexArray = [];
 
                                    subjectNoteContainer.forEach(element => {
                                        let allHeadings = [...element.querySelectorAll("h1")];
 
                                        let index = 0;
 
                                        for (let i = 0; i < finalRefined.length; i++) {
                                            if (finalRefined[i].notes.length == allHeadings.length && !storedIndexArray.includes(i)) {
                                                index = i;
                                                storedIndexArray.push(i);
                                                break;
                                            }
                                        }
 
                                        let currentSubject = finalRefined[index].notes;
 
                                        allHeadings.forEach((element, index1) => {
                                            element.parentElement.parentElement.href = "https://drive.google.com/file/d/" + currentSubject[index1].Notes;
                                            element.innerText = currentSubject[index1].name;
 
                                            remove(element.parentElement.parentElement);
                                        });
                                    });
                                }
                            });
                    }
 
                    // Remove all get premium buttons from site.
                    setTimeout(function () {
                        let premiumButtons = document.querySelectorAll("a[href='/premiuminfo']");
                        premiumButtons.forEach(item => item.remove());
 
                    }, 1000);
                }
            }, 500);
        }
    }
})();