Use javlibrary as your video download control panel
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// ==UserScript==
// @name jav download control panel
// @name:zh-CN Jav 下载控制台
// @description Use javlibrary as your video download control panel
// @description:zh-CN 把 javlibrary 作为下载控制台
// @version 0.2.1
// @author jferroal
// @license GPL-3.0
// @include http://www.javlibrary.com/*
// @grant GM_xmlhttpRequest
// @run-at document-end
// @namespace https://greasyfork.org/users/34556
// ==/UserScript==
// local request client
class LocalRequest {
static get baseUri() {
return 'http://localhost:5000/downloader/api/v0.1.0/task';
}
static request(method, url, data, onload) {
return new Promise((resolve, reject) => {
const payload = {
url,
headers: { "Content-Type": "application/json" },
onerror: function (response) {
console.log('something wrong while start download task. ');
reject(response);
},
ontimeout: function (response) {
console.log('request timeout! ');
reject(response.response);
},
onabort: function (response) {
console.log('request aborted. ');
reject(response.response);
}
};
if (method) {
payload.method = method;
} else {
payload.method = 'GET';
}
if (data && method === 'POST' || method === 'PUT') {
payload.data = data;
}
if (onload) {
payload.onload = onload;
} else {
payload.onload = (response) => {
resolve(response);
};
}
return GM_xmlhttpRequest(payload);
});
}
static startTask(task) {
return LocalRequest.request('POST', LocalRequest.baseUri, JSON.stringify(task));
}
static listTask(tasks) {
const queryStr = tasks.join(';');
return LocalRequest.request('GET', LocalRequest.baseUri + '?names=' + queryStr);
}
}
// parse page while page load
class PageParser {
constructor() {
const currentHref = window.location.href;
if (/http:\/\/www\.javlibrary\.com\/cn\/\?v=.*/.test(currentHref)) {
this.type = 'single';
} else if (/http:\/\/www\.javlibrary\.com\/cn\/vl_.*/.test(currentHref)) {
this.type = 'video';
} else {
this.type = 'home';
}
if (this.type === 'single') {
this.targetElements = [document.getElementById('video_id')];
} else if (this.type === 'video') {
this.targetElements = document.getElementsByClassName('video') || [];
} else {
this.targetElements = document.getElementsByClassName('post-headline') || [];
}
}
toTasks() {
if (this.tasks && this.tasks.length) {
return this.tasks;
}
this.tasks = [];
for (let i = 0; i < this.targetElements.length; i += 1) {
const elem = this.targetElements[i];
if (this.type === 'single') {
this.tasks.push(elem.children[0].children[0].children[0].children[1].textContent);
} else if (this.type === 'video') {
this.tasks.push(elem.children[0].children[0].textContent);
} else {
this.tasks.push(elem.children[0].textContent);
}
}
return this.tasks;
}
get nameElemMap() {
if (this._nameElemMap) {
return this._nameElemMap;
}
this._nameElemMap = {};
for (let i = 0; i < this.targetElements.length; i += 1) {
const elem = this.targetElements[i];
if (this.type === 'single') {
const name = elem.children[0].children[0].children[0].children[1].textContent;
this._nameElemMap[name] = {
progressBarParent: elem,
statusBarParent: elem.children[0].children[0].children[0].children[1],
};
} else if (this.type === 'video') {
const name = elem.children[0].children[0].textContent;
this._nameElemMap[name] = {
progressBarParent: elem,
statusBarParent: elem.children[0].children[0],
};
} else {
const name = elem.children[0].textContent;
this._nameElemMap[name] = {
progressBarParent: elem,
statusBarParent: elem.children[0],
};
}
}
return this._nameElemMap;
}
}
// Search result from tokyotosho
class TokyoToShoRequest {
static get headers() {
return {
':authority': 'www.tokyotosho.info',
':method': 'GET',
':path': `/search.php?terms=${this.target}`,
':scheme': 'https',
'accept': 'text / html, application/xhtml+xml,application/xml;q=0.9, image/webp,*/*;q=0.8',
'accept-encoding;': 'gzip, deflate, sdch, br',
'accept-language': 'zh-CN, en-US;q=0.8, en;q=0.6, zh;q=0.4',
'cache-control': 'no-cache',
};
}
static get baseUri() {
return 'https://www.tokyotosho.info/search.php?terms=';
}
static search(target) {
return new Promise((resolve, reject) => {
return GM_xmlhttpRequest({
method: "GET",
url: TokyoToShoRequest.baseUri + target,
headers: TokyoToShoRequest.headers,
onload: function (response) {
resolve(response.response);
},
onerror: function (response) {
console.log('something wrong while searching. ');
reject(response.response);
},
ontimeout: function (response) {
console.log('request timeout! ');
reject(response.response);
},
onabort: function (response) {
console.log('request aborted. ');
reject(response.response);
}
});
})
}
}
class TokyoToShoMatcher {
constructor(pageContent) {
this.pageContent = pageContent;
this.magnetLinkPattern = /<a href="(magnet:\?xt=urn:btih:.*?)">/gi;
this.seederCountPattern = /S: <span style="color: .*?">(\d+)<\/span>/gi;
this.leederCountPattern = /L: <span style="color: .*?">(\d+)<\/span>/gi;
this.completedCountPattern = /C: <span style="color: .*?">(\d+)<\/span>/gi;
this.sizePattern = /\| Size: (.*?) \|/gi;
}
matchAll() {
const result = [];
let [mlMatch, scMatch, lcMatch, ccMatch, szMatch] = [undefined, undefined, undefined, undefined, undefined];
do {
[mlMatch, scMatch, lcMatch, ccMatch, szMatch] = [
this.magnetLinkPattern.exec(this.pageContent),
this.seederCountPattern.exec(this.pageContent),
this.leederCountPattern.exec(this.pageContent),
this.completedCountPattern.exec(this.pageContent),
this.sizePattern.exec(this.pageContent),
];
if (mlMatch) {
result.push({
link: mlMatch[1].trim(),
sCount: scMatch[1],
lCount: lcMatch[1],
cCount: ccMatch[1],
size: (szMatch && szMatch[1]) || '0MB',
});
}
} while (mlMatch);
this.magnetLinkPattern.index = this.seederCountPattern.index = this.leederCountPattern.index = this.completedCountPattern.index = this.sizePattern.index = 0;
return result;
}
}
class SearchResultFilter {
constructor(magnets) {
if (!magnets) {
this.magnets = [];
} else {
this.magnets = magnets;
}
this.bestOne = this.magnets.reduce((best, magnet) => {
const current = {
link: magnet.link,
score: (magnet.sCount || 0) * 10 + (magnet.cCount || 0) * 5 + (magnet.lCount || 0) * 2,
size: parseInt(magnet.size.slice(0, -2), 10) * (magnet.size.indexOf('GB') > -1 ? 1000 : 1),
};
if (current.score < best.score) return best;
const size = parseInt(magnet.size.slice(0, -2), 10) * (magnet.size.indexOf('GB') > -1 ? 1000 : 1);
if (current.score > best.score) return current;
if (current.size < best.size) return best;
return current;
}, { link: '', score: 0, size: 0 });
}
best() {
return this.bestOne;
}
}
// Status and progress bar
class DownloadOperationBtnStyle {
static basic(elementStyle) {
elementStyle.width = '22px';
elementStyle.height = '22px';
elementStyle.boxSizing = 'border-box';
elementStyle.marginLeft = '4px';
elementStyle.cursor = 'pointer';
}
static unknown(elementStyle) {
DownloadOperationBtnStyle.basic(elementStyle);
elementStyle.color = 'white';
elementStyle.backgroundColor = 'grey';
elementStyle.borderRadius = '50%';
elementStyle.padding
}
static active(elementStyle) {
DownloadOperationBtnStyle.basic(elementStyle);
// elementStyle.backgroundColor = 'green';
}
static waiting(elementStyle) {
DownloadOperationBtnStyle.basic(elementStyle);
// elementStyle.backgroundColor = 'green';
}
static paused(elementStyle) {
DownloadOperationBtnStyle.basic(elementStyle);
// elementStyle.backgroundColor = 'orange';
}
static removed(elementStyle) {
DownloadOperationBtnStyle.basic(elementStyle);
// elementStyle.backgroundColor = 'red';
}
static complete(elementStyle) {
DownloadOperationBtnStyle.basic(elementStyle);
// elementStyle.backgroundColor = 'red';
elementStyle.pointer = 'default';
}
static error(elementStyle) {
DownloadOperationBtnStyle.basic(elementStyle);
// elementStyle.backgroundColor = 'red';
}
};
const DownloadOperationBtnText = {
unknown: '⸮',
active: '⏩',
waiting: '•',
paused: '⏸',
removed: '⌦',
complete: '?',
error: '❌',
};
const TaskStatusBtnCandidates = {
'unknown': ['unknown'],
'active': ['paused', 'removed'],
'waiting': ['removed'],
'paused': ['active', 'removed'],
'removed': ['active'],
'complete': ['active', 'complete'],
'error': ['error'],
};
const TaskOperation = {
unknown: (task) => {
return (event) => {
event.preventDefault();
TokyoToShoRequest.search(task.name).then((response) => {
const magnets = (new TokyoToShoMatcher(response)).matchAll();
if (magnets && magnets.length) {
const best = (new SearchResultFilter(magnets)).best();
LocalRequest.startTask({ name: task.name, uri: best.link });
} else {
alert('无可用资源');
}
});
}
},
active: (task) => {
return (event) => {
console.log('resume');
}
},
waiting: (task) => {
return (event) => {
event.preventDefault();
console.log('error');
}
},
paused: (task) => {
return (event) => {
event.preventDefault();
console.log('error');
}
},
removed: (task) => {
return (event) => {
event.preventDefault();
console.log('error');
}
},
error: (task) => {
return (event) => {
event.preventDefault();
console.log('error');
}
},
complete: (task) => {
return (event) => {
event.preventDefault();
console.log('error');
}
},
}
class DownloadOperationBtn {
constructor(status) {
this.btn = document.createElement('div');
DownloadOperationBtnStyle[status](this.btn.style);
this.btn.textContent = DownloadOperationBtnText[status];
}
bind(action, fn) {
this.btn.addEventListener(action, fn);
return this;
}
appendTo(parent) {
parent.appendChild(this.btn);
}
}
class TaskProgressBar {
constructor(task) {
const percentage = (task.completedLength / task.totalLength) * 100;
this.progressBar = document.createElement('div');
this.progressBar.style.position = 'absolute';
this.progressBar.style.top = this.progressBar.style.left = '0';
this.progressBar.style.width = '100%';
this.progressBar.style.height = '4px';
this.progressBar.style.backgroundColor = 'grey';
const alreadyProgress = document.createElement('div');
alreadyProgress.style.width = percentage + '%';
alreadyProgress.style.height = 'inherit';
alreadyProgress.style.backgroundColor = 'green';
this.progressBar.appendChild(alreadyProgress);
}
appendTo(parent) {
parent.appendChild(this.progressBar);
}
}
class TaskStatusBar {
constructor(task) {
this.statusBar = document.createElement('section');
this.statusBar.style.display = 'flex';
this.statusBar.style.margin = '-4px 0';
for (const cand of TaskStatusBtnCandidates[task.status]) {
const btn = new DownloadOperationBtn(cand);
btn.bind('click', TaskOperation[cand](task)).appendTo(this.statusBar);
}
}
appendTo(parent) {
parent.style.display = 'flex';
parent.style.margin = '4px 15%';
parent.appendChild(this.statusBar);
}
}
class AE86 {
constructor() { }
run() {
this.loadTasks().then((res) => {
const taskNameMap = JSON.parse(res.responseText);
this.initTaskStatElem(taskNameMap);
});
}
initTaskStatElem(taskNameMap) {
for (const name in taskNameMap) {
if (taskNameMap.hasOwnProperty(name)) {
const task = taskNameMap[name];
const relatedElem = this.pageParser.nameElemMap[name];
const statusBar = new TaskStatusBar(task);
statusBar.appendTo(relatedElem.statusBarParent);
const progressBar = new TaskProgressBar(task);
progressBar.appendTo(relatedElem.progressBarParent);
}
}
}
loadTasks() {
this.pageParser = new PageParser();
return LocalRequest.listTask(this.pageParser.toTasks());
}
}
const ae86 = new AE86();
ae86.run();