下载bilibili国际版字幕；注意：切勿频繁请求，可能会造成风控！
// ==UserScript==
// @name 哔哩哔哩国际版(B-Global)字幕下载
// @namespace https://github.com/AreCie
// @version 1.2
// @description 下载bilibili国际版字幕；注意：切勿频繁请求，可能会造成风控！
// @license AGPL-3.0-or-later
// @homepage https://github.com/AreCie/B-Global-SubtitleDown
// @supportURL https://github.com/AreCie/B-Global-SubtitleDown/issues
// @author AreCie
// @match https://www.bilibili.tv/*play/*
// @icon https://p.bstarstatic.com/fe-static/deps/bilibili_tv.ico?v=1
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js
// @grant none
// ==/UserScript==
(() => {
'use strict';
function applyStyles(element, styles) {
Object.assign(element.style, styles);
}
const buttonStyles = {
padding: '0 8px',
height: '32px',
backgroundColor: '#4C93FF',
color: 'white',
fontSize: 'inherit',
fontWeight: '700',
border: 'none',
borderRadius: '5px',
marginLeft: '10px',
cursor: 'pointer'
};
const getSubBtn = document.createElement('button');
getSubBtn.id = 'getSubBtn';
getSubBtn.innerText = '获取字幕';
applyStyles(getSubBtn, buttonStyles);
const getAllSubBtn = document.createElement('button');
getAllSubBtn.id = 'getAllSubBtn';
getAllSubBtn.innerText = '获取全部字幕';
applyStyles(getAllSubBtn, buttonStyles);
const popupContainer = document.createElement("div");
applyStyles(popupContainer, {
position: "fixed",
top: "50%",
left: "50%",
transform: "translate(-50%, -50%)",
padding: "50px 10px 20px 10px",
backgroundColor: "#ffffff",
border: "1px solid #ccc",
borderRadius: "8px",
boxShadow: "0 4px 8px rgba(0, 0, 0, 0.2)",
width: "380px",
zIndex: "9999",
cursor: "move"
});
const popupChildContainer = document.createElement("div");
applyStyles(popupChildContainer, {
maxHeight: "50vh",
overflowY: "auto"
});
let isDragging = false;
let offsetX, offsetY;
popupContainer.addEventListener("mousedown", e => {
isDragging = true;
offsetX = e.clientX - popupContainer.getBoundingClientRect().left;
offsetY = e.clientY - popupContainer.getBoundingClientRect().top;
popupContainer.style.cursor = "grabbing";
});
document.addEventListener("mousemove", e => {
if (isDragging) {
popupContainer.style.left = `${e.clientX - offsetX}px`;
popupContainer.style.top = `${e.clientY - offsetY}px`;
popupContainer.style.transform = "none";
}
});
document.addEventListener("mouseup", () => {
isDragging = false;
popupContainer.style.cursor = "move";
});
const closeButton = document.createElement("div");
applyStyles(closeButton, {
position: "absolute",
top: "8px",
right: "8px",
width: "25px",
height: "25px",
borderRadius: "50%",
backgroundColor: "#ff5e5e",
cursor: "pointer",
display: "flex",
justifyContent: "center",
alignItems: "center",
color: "#fff"
});
closeButton.textContent = "×";
closeButton.onclick = () => document.body.removeChild(popupContainer);
function insertButton() {
const appendBaseBtn = document.querySelector('.interactive__btn.interactive__fav');
if (appendBaseBtn && !document.querySelector("#getSubBtn")) {
appendBaseBtn.insertAdjacentElement('afterend', getAllSubBtn);
appendBaseBtn.insertAdjacentElement('afterend', getSubBtn);
}
}
insertButton();
const observer = new MutationObserver(insertButton);
observer.observe(document.body, { childList: true, subtree: true });
// 将 JSON 字幕转换为 SRT 格式
function convertJsonToSrt(jsonContent) {
// 将秒转换为 SRT 时间格式 (hh:mm:ss,ms)
function secondsToSrtTime(seconds) {
const hours = Math.floor(seconds / 3600).toString().padStart(2, '0');
const minutes = Math.floor((seconds % 3600) / 60).toString().padStart(2, '0');
const secs = Math.floor(seconds % 60).toString().padStart(2, '0');
const millis = Math.round((seconds % 1) * 1000).toString().padStart(3, '0');
return `${hours}:${minutes}:${secs},${millis}`;
}
const subtitles = jsonContent.body;
let srtContent = "";
subtitles.forEach((subtitle, index) => {
const startTime = secondsToSrtTime(subtitle.from);
const endTime = secondsToSrtTime(subtitle.to);
srtContent += `${index + 1}\n`; // 编号
srtContent += `${startTime} --> ${endTime}\n`; // 时间
srtContent += `${subtitle.content}\n\n`; // 内容和换行
});
return srtContent.trim(); // 去掉末尾的多余换行
}
function processSrtFile(blob, filename) {
const reader = new FileReader();
reader.onload = function () {
try {
const jsonContent = JSON.parse(reader.result);
const srtContent = convertJsonToSrt(jsonContent);
const srtBlob = new Blob([srtContent], { type: 'text/plain' });
triggerDownload(srtBlob, filename);
} catch (error) {
console.error('解析或转换失败:', error);
}
};
reader.readAsText(blob);
}
function triggerDownload(blob, filename) {
const downloadUrl = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = downloadUrl;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(downloadUrl);
}
function downloadFile(url, filename) {
fetch(url)
.then(response => response.blob())
.then(blob => {
if (filename.toLowerCase().endsWith('.srt')) {
processSrtFile(blob, filename);
} else {
triggerDownload(blob, filename);
}
})
.catch(error => console.error('下载失败:', error));
}
const langDict = {
'zh-Hans': '简体中文',
'id': '印尼语',
'th': '泰语',
'en': '英语',
'vi': '越南语'
};
function addSubItem(subs) {
const urlWithoutParams = window.location.origin + window.location.pathname;
const match = urlWithoutParams.match(/\/play\/(\d+)/);
let anime_id = match ? match[1] : null;
popupContainer.innerHTML = "";
popupChildContainer.innerHTML = "";
popupContainer.appendChild(closeButton);
let downs = [];
subs.data.forEach(item => {
if (subs.type === 1) {
const itemDiv = document.createElement("div");
applyStyles(itemDiv, {
display: "flex",
alignItems: "center",
justifyContent: "space-between",
padding: "5px 10px"
});
itemDiv.className = "sub-item";
itemDiv.innerHTML = '';
// const checkElem = document.createElement('input');
// checkElem.type = "checkbox"
// itemDiv.appendChild(checkElem);
const langSpan = document.createElement('span');
langSpan.style.width = '120px';
langSpan.textContent = item.lang;
itemDiv.appendChild(langSpan);
if (item.srt) {
const srtButton = document.createElement('button');
srtButton.textContent = '下载SRT';
srtButton.style.backgroundColor = '#4CAF50';
srtButton.style.marginLeft = 'auto';
srtButton.style.color = 'white';
srtButton.style.padding = '5px 10px';
srtButton.style.cursor = 'pointer';
srtButton.style.borderRadius = '4px';
srtButton.onclick = () => downloadFile(item.srt, `${item.lang}.srt`);
itemDiv.appendChild(srtButton);
}
if (item.ass) {
const assButton = document.createElement('button');
assButton.textContent = '下载ASS';
assButton.style.backgroundColor = '#4C93FF';
assButton.style.marginLeft = '10px';
assButton.style.color = 'white';
assButton.style.padding = '5px 10px';
assButton.style.cursor = 'pointer';
assButton.style.borderRadius = '4px';
assButton.onclick = () => downloadFile(item.ass, `${item.lang}.ass`);
itemDiv.appendChild(assButton);
}
popupChildContainer.appendChild(itemDiv);
} else {
const epDiv = document.createElement("div");
epDiv.style.border = "1px solid #ccc";
epDiv.style.borderRadius = "4px";
epDiv.style.width = "100%";
epDiv.style.margin = "10px 0";
epDiv.style.padding = "5px";
const epSpan = document.createElement("span");
epSpan.textContent = item.title;
epDiv.appendChild(epSpan);
item.ep_subs.forEach(s => {
const itemDiv = document.createElement("div");
applyStyles(itemDiv, {
display: "flex",
alignItems: "center",
justifyContent: "space-between",
padding: "5px 0"
});
itemDiv.className = "sub-item";
const langSpan = document.createElement('span');
langSpan.style.width = '120px';
langSpan.textContent = s.lang;
itemDiv.appendChild(langSpan);
if (s.srt) {
downs.push({
title: `${item.title}_${s.lang}.srt`,
url: s.srt
});
const srtButton = document.createElement('button');
srtButton.textContent = '下载SRT';
srtButton.style.backgroundColor = '#4CAF50';
srtButton.style.marginLeft = 'auto';
srtButton.style.color = 'white';
srtButton.style.padding = '5px 10px';
srtButton.style.cursor = 'pointer';
srtButton.style.borderRadius = '4px';
srtButton.onclick = () => downloadFile(s.srt, `${item.title}_${s.lang}.srt`);
itemDiv.appendChild(srtButton);
}
if (s.ass) {
downs.push({
title: `${item.title}_${s.lang}.ass`,
url: s.ass
});
const assButton = document.createElement('button');
assButton.textContent = '下载ASS';
assButton.style.backgroundColor = '#4C93FF';
assButton.style.marginLeft = '10px';
assButton.style.color = 'white';
assButton.style.padding = '5px 10px';
assButton.style.cursor = 'pointer';
assButton.style.borderRadius = '4px';
assButton.onclick = () => downloadFile(s.ass, `${item.title}_${s.lang}.ass`);
itemDiv.appendChild(assButton);
}
epDiv.appendChild(itemDiv);
});
popupChildContainer.appendChild(epDiv);
}
});
if (subs.type === 2) {
const batchDownBtn = document.createElement("button");
batchDownBtn.textContent = "下载全部";
Object.assign(batchDownBtn.style, {
position: "absolute",
top: "8px",
left: "8px",
width: "130px",
height: "30px",
borderRadius: "4px",
background: "#4C93FF",
cursor: "pointer",
display: "flex",
justifyContent: "center",
alignItems: "center",
color: "white",
});
batchDownBtn.onclick = async () => {
batchDownBtn.textContent = "请稍等...";
const zip = new JSZip();
const filePromises = downs.map(d =>
fetch(d.url)
.then(response => response.blob())
.then(blob => {
if (d.title.toLowerCase().endsWith('.srt')) {
const reader = new FileReader();
reader.onload = function () {
try {
const jsonContent = JSON.parse(reader.result);
const srtContent = convertJsonToSrt(jsonContent);
const srtBlob = new Blob([srtContent], { type: 'text/plain' });
zip.file(d.title, srtBlob);
} catch (error) {
console.error('解析或转换失败:', error);
}
};
reader.readAsText(blob);
} else {
zip.file(d.title, blob);
}
})
);
await Promise.all(filePromises);
// 生成 ZIP 文件并下载
zip.generateAsync({ type: "blob" }).then(content => {
const downloadUrl = URL.createObjectURL(content);
const a = document.createElement('a');
a.href = downloadUrl;
a.download = `${anime_id}_subs.zip`;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(downloadUrl);
}).then(() => batchDownBtn.textContent = "下载全部");
};
popupContainer.appendChild(batchDownBtn);
}
popupContainer.appendChild(popupChildContainer);
document.body.appendChild(popupContainer);
}
getSubBtn.addEventListener('click', () => {
const urlWithoutParams = window.location.origin + window.location.pathname;
const match = urlWithoutParams.match(/\/play\/\d+\/(\d+)/);
let ep_id = match ? match[1] : null;
if (!ep_id) {
const firspEp = document.querySelector('.ep-list').firstElementChild;
ep_id = firspEp.getAttribute('href').match(/\/play\/\d+\/(\d+)/)[1];
}
getSubBtn.innerText = "请稍等...";
fetch(`https://api.bilibili.tv/intl/gateway/web/v2/subtitle?s_locale=en_US&platform=web&episode_id=${ep_id}`)
.then(resp => resp.json())
.then(data => {
const subs = {
type: 1, data: data.data.video_subtitle.map(subtitle => ({
lang: langDict[subtitle.lang_key] ? langDict[subtitle.lang_key] : subtitle.lang,
srt: subtitle.srt ? subtitle.srt.url : null,
ass: subtitle.ass ? subtitle.ass.url : null
}))
};
addSubItem(subs);
getSubBtn.innerText = "获取字幕";
});
});
getAllSubBtn.addEventListener('click', () => {
getAllSubBtn.innerText = "请稍等...";
const epListDiv = document.querySelector('.ep-list');
const links = epListDiv.querySelectorAll('a[href]');
const subs = { type: 2, data: [] };
Promise.all([...links].map(link => {
const hrefMatch = link.getAttribute('href').match(/\/play\/\d+\/(\d+)/);
if (hrefMatch) {
const episodeId = hrefMatch[1];
return fetch(`https://api.bilibili.tv/intl/gateway/web/v2/subtitle?s_locale=en_US&platform=web&episode_id=${episodeId}`)
.then(resp => resp.json())
.then(data => {
subs.data.push({
title: link.innerText,
ep_subs: data.data.video_subtitle.map(subtitle => ({
lang: langDict[subtitle.lang_key] ? langDict[subtitle.lang_key] : subtitle.lang,
srt: subtitle.srt ? subtitle.srt.url : null,
ass: subtitle.ass ? subtitle.ass.url : null
}))
});
});
}
})).then(() => {
subs.data.sort((a, b) => {
const aNum = a.title.match(/^E(\d+)$/)?.[1];
const bNum = b.title.match(/^E(\d+)$/)?.[1];
return aNum && bNum
? aNum - bNum
: aNum
? -1
: bNum
? 1
: a.title.localeCompare(b.title);
});
addSubItem(subs);
getAllSubBtn.innerText = "获取全部字幕";
});
});
})();
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