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my personal script to enchance TJUPT experience
// ==UserScript==
// @name TJUPT helper
// @namespace https://blog.miigon.net
// @version 0.2
// @license GPL2
// @description my personal script to enchance TJUPT experience
// @author Miigon
// @match https://tjupt.org/*
// @match https://byr.pt/*
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant GM_setClipboard
// @run-at document-idle
// ==/UserScript==
/*
VERSION 0.1:
- supports tjupt and byrpt.
- torrent page shows torrent downloader/uploader ratio.
- clicking the downup ratio will copy the torrent link.
- automatically loads next page of torrents and show them
on current page, effectively doubling the page size.
VERSION 0.2:
- add funbox from byr.pt to tjupt.org, resize and center images.
- torrent page sort torrent with down/up ratio = NaN to the top.
fix number parsing bug for numbers containing `,`
*/
let link = window.location.href;
/* global $ */
/* global Preview */
console.log("$ = ", $);
function remove_space(str) { return str.replace(/\s/g, ""); }
function parseNumber(str) { return Number(str.replace(/[^\d]/g, "")); }
function parse_torrent_table(context) {
let torrents_table = $(".torrents > tbody > tr:gt(0)", context);
// parse torrent table
let torrents = []
for(let i = 0; i < torrents_table.length; i++) {
let tr = torrents_table[i]; // have to do this to support byr.pt
let c = tr.children
let torrent = {
name: $(".torrentname a", c[1])[0].title,
link: $(".torrentname a", c[1])[0].href,
comments: parseNumber(c[2].innerText),
time: remove_space(c[3].innerText),
size: remove_space(c[4].innerText),
uploader: parseNumber(c[5].innerText),
downloader: parseNumber(c[6].innerText),
completes: parseNumber(c[7].innerText),
author: c[8].innerText,
html_node: tr,
}
torrent.torrent_id = torrent.link.match(/id=(\d+)/)[1];
torrent.downup_ratio = torrent.downloader / torrent.uploader;
torrents.push(torrent);
}
return torrents;
}
function get_torrent_header(context) {
return $(".torrents > tbody > tr:eq(0)", context);
}
function modify_torrent_header(context) {
$("td:eq(6)", get_torrent_header(context)).after("<td class='colhead'><img src='https://tjupt.org/pic/s_dl.gif'/></td>");
}
function temporary_inner_text_override(elem, newtext) {
let oldtext = elem.innerText;
elem.innerText = newtext;
setTimeout(()=>{elem.innerText = oldtext;},1000);
}
let passkey_parameter_str = null;
function find_passkey_parameter() {
if(passkey_parameter_str != null) return passkey_parameter_str;
if(link.indexOf("tjupt.org") != -1){
let passkey = $("link[title='Latest Torrents']")[0].href.match(/passkey=(.*)/)[1];
passkey_parameter_str = "&passkey=" + passkey;
} else {
passkey_parameter_str = "";
}
return passkey_parameter_str;
}
function modify_torrent_table(torrents, context) {
// process & modify torrent table
// downup_ratio
for(let t of torrents) {
let duratio_percent = Math.round(t.downup_ratio*100);
if(duratio_percent == Infinity) {
duratio_percent = "Inf";
}
let duratio_precent_node = $("<td class='rowfollow'><b><a href='#'>" + duratio_percent + "%</a></b></td>")
duratio_precent_node[0].onclick = function(){
// copy download link or download torrent file
let passkey_parameter = find_passkey_parameter();
let download_link = link.replace(/\/torrents.php.*/, "/download.php?id=" + t.torrent_id + passkey_parameter);
if(passkey_parameter != "") {
// has passkey, probably wants copy so the link can be used in a bt client.
GM_setClipboard(download_link);
temporary_inner_text_override($("a",duratio_precent_node)[0], "Copied!");
} else {
// does not have passkey, probably should download in browser, since the website might be using cookie to authenticate.
$("body").after($("<iframe src='" + download_link + "'/ hidden>"));
}
return false;
}
$("td:nth-child(7)", t.html_node).after(duratio_precent_node);
}
return torrents;
}
function sort_torrent_table(torrents) {
torrents.sort((a,b) => {
if(isNaN(a.downup_ratio)) return -1;
if(isNaN(b.downup_ratio)) return 1;
return b.downup_ratio - a.downup_ratio
});
}
function rebuild_torrent_table(torrents, context) {
let new_tbody = $("<tbody/>");
new_tbody.append(get_torrent_header(context));
for(let t of torrents) {
new_tbody.append(t.html_node);
}
$(".torrents > tbody", context).remove();
$(".torrents", context).append(new_tbody);
}
console.log("link", link)
if(link.indexOf("/torrents.php") != -1) {
if(link.indexOf("#subpage") == -1) { // parent page
let torrents = parse_torrent_table(document);
modify_torrent_header(document); // only need to do once
modify_torrent_table(torrents, document);
sort_torrent_table(torrents);
rebuild_torrent_table(torrents, document);
let page_regex = /[?&]page=(\d+)/
let page_match = link.match(page_regex)
let current_page = 0
let next_page_link = "";
if(page_match != null) {
current_page = Number(page_match[1]);
next_page_link = link.replace(page_match[0], page_match[0][0]/* ? or & */ + "page=" + String(current_page + 1))
} else {
next_page_link = (link.indexOf("?") == -1 ? "?" : "&") + "page=" + String(current_page + 1)
}
console.log("current_page", current_page);
console.log("next_page_link", next_page_link);
// try to load torrent table of next page and merge it to the current page
let f = $("<iframe src='" + next_page_link + "#subpage'/ hidden>");
$("body").after(f);
// listen for subpage_ready message.
window.addEventListener("message", function(event) {
if(event.data == "subpage_ready") {
let childDocument = f[0].contentDocument;
let cts = parse_torrent_table(childDocument);
modify_torrent_table(cts, childDocument)
torrents.push(...cts);
sort_torrent_table(torrents);
rebuild_torrent_table(torrents, document);
} else {
console.log("parent: unrecognized message " + event.data);
}
});
} else { // subpage
parent.postMessage("subpage_ready", "*");
}
} else if(link.indexOf("tjupt.org/index.php") != -1 || link == "https://tjupt.org/" || link == "https://tjupt.org") {
$(".fun_text").after($("<h2 align='left'>北邮人趣味盒"
+ "<font class='small'> - [<a class='altlink' href='https://byr.pt/fun.php' target='_blank'>查看</a>]</h2>"
+ "<iframe src='https://byr.pt/fun.php#embedded' style='width: 100%; height: 600px; border: none;'/>"
));
window.addEventListener("message", function(event) {
let data = JSON.parse(event.data);
if(data.cmd == "funbox_click") {
Preview(data.url);
} else {
console.log("parent: unrecognized message " + event.data);
}
});
let images = [...$(".fun_text img")].filter(e=>e.alt=="image");
images.forEach(e => {e.style.width="50%"; e.style.height="auto"});
images[0].parentElement.style.textAlign="center";
} else if(link.indexOf("byr.pt/fun.php") != -1) {
if(link.indexOf("#embedded") != -1) {
console.log("byrpt funbox inside tjupt");
// match style
[...document.getElementsByTagName("link")].filter(e=>e.href.indexOf("/theme.css")!=-1)[0].remove();
// fix image click bug
unsafeWindow.Preview = function(t){parent.postMessage(JSON.stringify({ cmd:"funbox_click", url: t.src}), "*");};
// center image, resize image to 50%
[...document.getElementsByClassName("shoutrow")].forEach(e=>{e.style.textAlign="center";});
[...document.getElementsByTagName("img")].filter(e=>!e.src.startsWith("pic/")).forEach(e=>{e.style.width = "50%";e.style.height="auto";});
}
}