KiitConnect Unlocker

Free as in beer.
目前为 2024-05-04 提交的版本。查看最新版本。
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// ==UserScript==
// @name         KiitConnect Unlocker
// @namespace    http://tampermonkey.net/
// @version      1.0
// @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';

    window.onload = function(){


        // 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");
            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 = finalPath[0].toLowerCase();
                    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 => {
                        if (docRequired == "pyqs") {
                            // 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;


                            // Sort the list according to year
                            finalRefined.forEach(element => {
                                element.pyqs.sort((a, b) => {
                                    return Number(a.year) - Number(b.year);
                                })
                            });

                            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);
                                    }

                                });
                            });
                        }
                    });
                }

                // Remove all get premium buttons from site.
                setTimeout(function () {
                    let premiumButtons = document.querySelectorAll("a[href='/premiuminfo']");
                    premiumButtons.forEach(item => item.remove());

                }, 1000);
            }
        }, 1000);
    }
})();
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