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// ==UserScript==
// @name E-Hentai Torrent Modifier
// @namespace vonthar
// @version 1.0
// @description Modifies ehtracker torrent files to include gallery url in their comment field and shows torrent links on gallery page.
// @include *://exhentai.org/g/*
// @include *://g.e-hentai.org/g/*
// @author vonthar
// @license MPL-2.0
// @icon data:image/gif;base64,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
// @homepageURL https://github.com/vonthar/GM_ehentai-torrent-modifier
// @supportURL https://github.com/vonthar/GM_ehentai-torrent-modifier/issues
// @downloadURL https://raw.githubusercontent.com/vonthar/GM_ehentai-torrent-modifier/master/src/ehentai-torrent-modifier.user.js
// @require https://raw.githubusercontent.com/vonthar/GM_ehentai-torrent-modifier/master/lib/parsetorrent.bundle.js
// @run-at document-start
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_xmlhttpRequest
// ==/UserScript==
var gallery;
document.addEventListener("DOMContentLoaded", function () {
if (gallery.torrents) {
insertTorrentTable();
}
gallery.name = document.getElementById("gn").textContent;
gallery.uploader = document.getElementById("gdn").textContent;
gallery.posted = new Date(document.getElementById("gdd").getElementsByClassName("gdt2")[0].textContent);
});
getTorrentInfo();
function getTorrentInfo() {
var tokens = getTokens();
gallery = {
url: tokens.base + "g/" + tokens.gid + "/" + tokens.token + "/",
};
GM_xmlhttpRequest({
url: url = tokens.base + "gallerytorrents.php?gid=" + tokens.gid + "&t=" + tokens.token,
method: "GET",
onload: function (response) {
var xmlDocument = new DOMParser().parseFromString(response.responseText, "text/xml");
gallery.torrents = parseTorrentInfo(xmlDocument);
if (gallery.name) {
insertTorrentTable();
}
},
onerror: function (response) {
console.error(response.statusText);
}
});
}
function getTokens() {
var matches = window.location.href.match(/(.+\/)g\/(\d+)\/([^\/]+)/);
return {
base: matches[1],
gid: matches[2],
token: matches[3]
};
}
function getDataUri(buffer, mimeType) {
buffer = new Buffer(buffer);
if (!mimeType) {
mimeType = "text/plain";
}
return "data:" + mimeType + ";base64," + buffer.toString("base64");
}
function browserDownload(url, name) {
var a = document.createElement("a");
a.href = url;
if (name) {
a.download = name;
}
a.dispatchEvent(new MouseEvent("click"));
}
function parseSize(value) {
var matches = value.match(/(\d+) (\S+)/);
if (matches) {
value = parseInt(matches[1], 10);
switch (matches[2]) {
case "B":
return value;
case "KB":
return value * 1000;
case "MB":
return value * 1000000;
case "GB":
return value * 1000000000;
}
}
return value;
}
function parseTorrentInfo(xmlDocument) {
var property = />(.*):<\/span>\s*(.*)$/;
var torrents = [];
var forms = xmlDocument.getElementById("torrentinfo").getElementsByTagName("form");
var i, j, link, fields, matches;
for (i = 0; i < forms.length - 1; i++) {
link = forms[i].getElementsByTagName("a")[0];
torrents[i] = {
url: link.href,
name: link.innerText
};
fields = forms[i].getElementsByTagName("td");
for (j = 0; j < fields.length; j++) {
matches = fields[j].innerHTML.match(property);
if (matches) {
torrents[i][matches[1].toLocaleLowerCase()] = matches[2];
}
}
}
return torrents;
}
function getTorrentsSorted() {
var key = GM_getValue("sortKey");
var order = GM_getValue("sortOrder", "desc");
switch (key) {
case "size":
if (order === "desc") {
return gallery.torrents.sort(function (a, b) {
return parseSize(b.size) - parseSize(a.size);
});
}
return gallery.torrents.sort(function (a, b) {
return parseSize(a.size) - parseSize(b.size);
});
default:
key = "downloads";
//fallthrough
case "seeds":
case "peers":
case "downloads":
if (order === "desc") {
return gallery.torrents.sort(function (a, b) {
return parseInt(b[key], 10) - parseInt(a[key], 10);
});
}
return gallery.torrents.sort(function (a, b) {
return parseInt(a[key], 10) - parseInt(b[key], 10);
});
case "posted":
case "uploader":
if (order === "desc") {
return gallery.torrents.sort(function (a, b) {
return String(b.posted).localeCompare(a.posted);
});
}
return gallery.torrents.sort(function (a, b) {
return String(a.posted).localeCompare(b.posted);
});
}
}
function updateSortOrder(event) {
event.preventDefault();
var key = GM_getValue("sortKey", "downloads");
var value;
switch (event.target.textContent) {
case "DLs":
value = "downloads";
break;
case "Added":
value = "posted";
break;
default:
value = name.toLowerCase();
}
if (value === key) {
if (GM_getValue("sortOrder") === "asc") {
GM_setValue("sortOrder", "desc");
}
else {
GM_setValue("sortOrder", "asc");
}
}
else {
GM_setValue("sortKey", value);
GM_setValue("sortOrder", "desc");
}
var table = document.getElementById("torrentinfo");
table.parentNode.replaceChild(createTable(), table);
}
function downloadTorrent(event) {
if (!parseTorrent) {
return;
}
event.preventDefault();
var url = event.target.href;
GM_xmlhttpRequest({
url: url,
method: "GET",
overrideMimeType: "application/x-bittorrent; charset=x-user-defined",
onload: function (response) {
var data = new Buffer(response.responseText, "binary");
if (!data.length) {
browserDownload(url);
return;
}
var torrent = parseTorrent(data);
torrent.created = gallery.posted;
torrent.createdBy = gallery.uploader;
torrent.comment = gallery.url;
//torrent.name = gallery.name;
var uri = getDataUri(parseTorrent.toTorrentFile(torrent), "application/x-bittorrent");
browserDownload(uri, gallery.name + ".torrent");
},
onerror: function () {
browserDownload(url);
}
});
}
function insertTorrentTable() {
if (gallery.torrents.length) {
var wrapper = document.createElement("div");
wrapper.className = "gm";
wrapper.appendChild(createTable());
var asm = document.getElementById("asm");
asm.parentNode.insertBefore(wrapper, asm);
}
}
function createTable() {
var header = document.createElement("tr");
header.appendChild(createLabel("Added", 95));
var elem = document.createElement("th");
elem.textContent = "Torrent Name";
header.appendChild(elem);
header.appendChild(createLabel("Size", 70));
header.appendChild(createLabel("Seeds", 35));
header.appendChild(createLabel("Peers", 35));
header.appendChild(createLabel("DLs", 40));
header.appendChild(createLabel("Uploader", 90));
var tbody = document.createElement("tbody");
tbody.append(header);
var torrents = getTorrentsSorted();
for (var i = 0; i < torrents.length; i++) {
tbody.appendChild(createRow(torrents[i], i % 2));
}
var table = document.createElement("table");
table.id = "torrentinfo";
table.className = "itg";
table.style = "border:0; padding:0; margin:10px 8px; min-width:0; max-width:calc(100% - 16px); outline:1px solid black";
table.appendChild(tbody);
return table;
}
function createLabel(name, width) {
var a = document.createElement("a");
a.textContent = name;
a.href = "#";
a.onclick = updateSortOrder;
var elem = document.createElement("th");
elem.style = "text-align:center; width:" + width + "px";
elem.appendChild(a);
return elem;
}
function createRow(torrent, mod) {
var row = document.createElement("tr");
row.className = "gtr" + mod;
row.appendChild(createField(torrent.posted, "width:102px; white-space:nowrap"));
var a = document.createElement("a");
a.href = torrent.url;
a.textContent = torrent.name;
a.onclick = downloadTorrent;
var div = document.createElement("div");
div.style = "height:15px; min-width:300px; max-width:600px; overflow:hidden";
div.appendChild(a);
var td = document.createElement("td");
td.className = "itd";
td.appendChild(div);
row.appendChild(td);
row.appendChild(createField(torrent.size, "text-align:right; width:70px; white-space:nowrap"));
row.appendChild(createField(torrent.seeds, "text-align:right; width:30px"));
row.appendChild(createField(torrent.peers, "text-align:right; width:30px"));
row.appendChild(createField(torrent.downloads, "text-align:right; width:40px"));
row.appendChild(createField(torrent.uploader, "width:90px"));
return row;
}
function createField(name, style) {
var elem = document.createElement("td");
elem.className = "itd";
elem.textContent = name;
elem.style = style;
return elem;
}