// ==UserScript==
// @name YouTube MP3 下载器
// @namespace http://tampermonkey.net/
// @version 1.0.1
// @description YouTube to MP3 converter with clean interface
// @match https://www.youtube.com/*
// @grant GM_xmlhttpRequest
// @connect loader.to
// @connect p.oceansaver.in
// ==/UserScript==
(function () {
'use strict';
// 创建下载按钮
function createDownloadButton() {
const trigger = document.createElement('div');
trigger.id = 'yt-mp3-trigger';
const button = document.createElement('button');
button.id = 'yt-mp3-download';
const text = document.createTextNode('⬇'); // 使用已验证的下载图标
button.appendChild(text);
button.addEventListener('click', showDownloadPanel);
const wrapper = document.createDocumentFragment();
wrapper.appendChild(trigger);
wrapper.appendChild(button);
return wrapper;
}
// 添加样式
function addStyles() {
const styleElement = document.createElement('style');
styleElement.textContent = `
#yt-mp3-download {
position: fixed !important;
bottom: -30px !important;
left: 20px !important;
width: 40px !important;
height: 40px !important;
background-color: rgba(0, 0, 0, 0.6) !important;
color: white !important;
border: none !important;
border-radius: 50% !important;
cursor: pointer !important;
opacity: 0 !important;
transition: all 0.3s ease !important;
display: flex !important;
align-items: center !important;
justify-content: center !important;
font-size: 20px !important;
z-index: 9999999 !important;
padding: 0 !important;
margin: 0 !important;
box-shadow: 0 2px 5px rgba(0,0,0,0.2) !important;
}
#yt-mp3-trigger {
position: fixed !important;
bottom: 0 !important;
left: 0 !important;
width: 100px !important;
height: 60px !important;
z-index: 9999998 !important;
}
#yt-mp3-trigger:hover + #yt-mp3-download,
#yt-mp3-download:hover {
bottom: 20px !important;
opacity: 0.8 !important;
}
#yt-mp3-download:hover {
transform: scale(1.1) !important;
opacity: 1 !important;
}
#yt-mp3-panel {
position: fixed !important;
bottom: 70px !important;
left: 20px !important;
background: rgba(33, 33, 33, 0.95) !important;
border-radius: 12px !important;
padding: 15px !important;
color: white !important;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
font-size: 14px !important;
min-width: 200px !important;
box-shadow: 0 4px 12px rgba(0,0,0,0.2) !important;
backdrop-filter: blur(10px) !important;
z-index: 9999997 !important;
transform: translateX(0);
transition: transform 0.3s ease;
}
.download-progress {
width: 100% !important;
height: 4px !important;
background: rgba(255,255,255,0.1) !important;
border-radius: 2px !important;
margin: 10px 0 !important;
overflow: hidden !important;
}
.progress-bar {
width: 0% !important;
height: 100% !important;
background: #FF0000 !important;
transition: width 0.3s ease !important;
}
.download-info {
margin-top: 8px !important;
font-size: 12px !important;
color: rgba(255,255,255,0.7) !important;
}
.download-button {
background: #FF0000 !important;
color: white !important;
border: none !important;
padding: 8px 16px !important;
border-radius: 6px !important;
cursor: pointer !important;
width: 100% !important;
margin-top: 10px !important;
font-weight: 500 !important;
transition: background 0.3s ease !important;
}
.download-button:hover {
background: #FF1a1a !important;
}
`;
document.head.appendChild(styleElement);
}
// 显示下载面板
function showDownloadPanel() {
const videoId = new URLSearchParams(window.location.search).get('v');
if (!videoId) {
alert('Please open a YouTube video first.');
return;
}
// 移除已存在的面板
const existingPanel = document.getElementById('yt-mp3-panel');
if (existingPanel) {
existingPanel.remove();
return;
}
const panel = document.createElement('div');
panel.id = 'yt-mp3-panel';
// 添加标题栏
const headerBar = document.createElement('div');
headerBar.style.cssText = `
width: 100%;
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
cursor: move;
`;
const title = document.createElement('div');
title.textContent = 'MP3 Download';
title.style.fontSize = '14px';
const closeButton = document.createElement('button');
closeButton.textContent = '×';
closeButton.style.cssText = `
background: none;
border: none;
color: white;
cursor: pointer;
padding: 0 6px;
font-size: 16px;
`;
closeButton.onclick = () => document.body.removeChild(panel);
headerBar.appendChild(title);
headerBar.appendChild(closeButton);
panel.appendChild(headerBar);
// 添加进度条
const progress = document.createElement('div');
progress.className = 'download-progress';
const progressBar = document.createElement('div');
progressBar.className = 'progress-bar';
progress.appendChild(progressBar);
progress.style.display = 'none';
panel.appendChild(progress);
// 添加状态信息
const info = document.createElement('div');
info.className = 'download-info';
panel.appendChild(info);
// 添加下载按钮
const downloadButton = document.createElement('button');
downloadButton.className = 'download-button';
downloadButton.textContent = 'Start Download';
downloadButton.onclick = () => startDownload(videoId, progressBar, info, downloadButton);
panel.appendChild(downloadButton);
document.body.appendChild(panel);
// 添加拖动功能
let isDragging = false;
let currentX, currentY, initialX, initialY, xOffset = 0, yOffset = 0;
headerBar.addEventListener('mousedown', dragStart);
document.addEventListener('mousemove', drag);
document.addEventListener('mouseup', dragEnd);
function dragStart(e) {
initialX = e.clientX - xOffset;
initialY = e.clientY - yOffset;
if (e.target === headerBar) {
isDragging = true;
}
}
function drag(e) {
if (isDragging) {
e.preventDefault();
currentX = e.clientX - initialX;
currentY = e.clientY - initialY;
xOffset = currentX;
yOffset = currentY;
setTranslate(currentX, currentY, panel);
}
}
function setTranslate(xPos, yPos, el) {
el.style.transform = `translate(${xPos}px, ${yPos}px)`;
}
function dragEnd() {
initialX = currentX;
initialY = currentY;
isDragging = false;
}
}
// 开始下载
function startDownload(videoId, progressBar, info, button) {
const videoUrl = `https://www.youtube.com/watch?v=${videoId}`;
const API_KEY = 'a4016fa228909c2bd7cb02037ca2a34c815d03a7';
button.disabled = true;
button.textContent = 'Preparing...';
progressBar.parentElement.style.display = 'block';
info.textContent = 'Initializing download...';
GM_xmlhttpRequest({
method: 'GET',
url: `https://loader.to/ajax/download.php?format=mp3&url=${encodeURIComponent(videoUrl)}&api=${API_KEY}`,
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
if (data && data.success) {
info.textContent = 'Starting conversion...';
checkProgress(data.id, progressBar, info, button);
} else {
info.textContent = 'Failed to start download: ' + (data.error || 'Unknown error');
button.textContent = 'Retry';
button.disabled = false;
}
} catch (error) {
info.textContent = 'Error parsing response: ' + error.message;
button.textContent = 'Retry';
button.disabled = false;
}
},
onerror: function(error) {
info.textContent = 'Network error: ' + (error.message || 'Connection failed');
button.textContent = 'Retry';
button.disabled = false;
}
});
}
// 检查下载进度
function checkProgress(downloadId, progressBar, info, button) {
const progressCheck = setInterval(() => {
GM_xmlhttpRequest({
method: 'GET',
url: `https://p.oceansaver.in/ajax/progress.php?id=${downloadId}`,
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
if (!data) {
clearInterval(progressCheck);
info.textContent = 'Error: Invalid response';
button.textContent = 'Retry';
button.disabled = false;
return;
}
const percent = (data.progress / 10).toFixed(1);
progressBar.style.width = `${percent}%`;
info.textContent = data.text || `Converting: ${percent}%`;
if (data.download_url) {
clearInterval(progressCheck);
info.textContent = 'Download ready!';
button.textContent = 'Download MP3';
button.disabled = false;
button.onclick = () => {
window.location.href = data.download_url;
};
}
} catch (error) {
clearInterval(progressCheck);
info.textContent = 'Error occurred';
button.textContent = 'Retry';
button.disabled = false;
}
},
onerror: function() {
clearInterval(progressCheck);
info.textContent = 'Network error';
button.textContent = 'Retry';
button.disabled = false;
}
});
}, 1000);
}
// 初始化脚本
function init() {
if (!document.getElementById('yt-mp3-download')) {
addStyles();
const elements = createDownloadButton();
document.body.appendChild(elements);
}
}
// 页面加载完成后初始化
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}
// 监听页面变化
const observer = new MutationObserver(() => {
if (!document.getElementById('yt-mp3-download')) {
init();
}
});
observer.observe(document.body, {
childList: true,
subtree: true,
});
})();
