Create a button above Bilibili Livestream that copies the stream url to clipboard. Can be used in custom player, download, or in VRChat stream video player.
// ==UserScript==
// @name Bilibili Live Master URL Copier
// @name:zh-CN Bilibili 直播流链接复制按钮
// @namespace https://github.com/TZFC
// @version 0.5
// @description Create a button above Bilibili Livestream that copies the stream url to clipboard. Can be used in custom player, download, or in VRChat stream video player.
// @description:zh-CN 在Bilibili直播间上方添加一个“复制直播流链接”按钮。直播流链接可用在任意播放器，下载，或用于VRChat直播播放器。
// @author tianzifangchen
// @match *://live.bilibili.com/*
// @icon https://www.bilibili.com/favicon.ico
// @license GPL-3.0
// @run-at document-idle
// @grant unsafeWindow
// @grant GM_setClipboard
// @grant GM_xmlhttpRequest
// @connect api.live.bilibili.com
// ==/UserScript==
(function () {
'use strict';
const QN_LABEL = {
30000: '杜比',
25000: '默认',
20000: '4K',
10000: '原画',
400: '蓝光',
250: '超清',
150: '高清',
80: '流畅'
};
function wait_for_element_by_query(query_selector, timeout_milliseconds) {
const start_time = Date.now();
return new Promise((resolve) => {
const interval_id = setInterval(() => {
const node = document.querySelector(query_selector);
if (node) {
clearInterval(interval_id);
resolve(node);
} else if (Date.now() - start_time > timeout_milliseconds) {
clearInterval(interval_id);
resolve(null);
}
}, 150);
});
}
function safely_get(obj, getter) {
try { return getter(obj); } catch { return undefined; }
}
function get_room_id_from_page() {
const neptune = unsafeWindow.__NEPTUNE_IS_MY_WAIFU__;
const possible_id = neptune && neptune.roomInitRes && neptune.roomInitRes.data && neptune.roomInitRes.data.room_id;
if (possible_id) return Number(possible_id);
const match = location.pathname.match(/\/(\d+)/);
return Number(match && match[1]);
}
function get_anchor_uid_from_page() {
const neptune = unsafeWindow.__NEPTUNE_IS_MY_WAIFU__;
const uid_from_anchor = safely_get(neptune, n => n.roomInitRes.data.anchor_info.base_info.uid);
const uid_from_room = safely_get(neptune, n => n.roomInitRes.data.room_info.uid);
const uid = Number(uid_from_anchor || uid_from_room || 0);
return uid || null;
}
function build_play_info_url(room_id_number) {
return `https://api.live.bilibili.com/xlive/web-room/v2/index/getRoomPlayInfo?room_id=${room_id_number}&protocol=0,1&format=0,1,2&codec=0,1&qn=10000&platform=web&dolby=5&panorama=1`;
}
function build_master_gateway_url(cid_number, mid_number, qn_number) {
const cid = `cid=${cid_number}`;
const mid = `mid=${mid_number || 0}`;
const qn = `qn=${qn_number}`;
const fixed = 'pt=web&p2p_type=-1&net=0&free_type=0&build=0&feature=2&drm_type=0&cam_id=0';
return `https://api.live.bilibili.com/xlive/play-gateway/master/url?${cid}&${mid}&${qn}&${fixed}`;
}
function gm_get_json(url_string) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url: url_string,
headers: { 'Accept': 'application/json' },
onload: function (response) {
try {
resolve(JSON.parse(response.responseText));
} catch (e) { reject(e); }
},
onerror: reject
});
});
}
function gm_fetch_raw(url_string) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url: url_string,
responseType: 'text',
onload: function (response) {
const content_type = (response.responseHeaders || '')
.split(/\r?\n/)
.find(h => /^content-type:/i.test(h)) || '';
const final_url = response.finalUrl || url_string;
resolve({
text: response.responseText || '',
contentType: content_type.split(':')[1]?.trim().toLowerCase() || '',
finalUrl: final_url,
status: response.status
});
},
onerror: reject
});
});
}
function depth_first_find_value_by_keys(any_object, keys_array) {
const stack = [any_object];
while (stack.length) {
const current = stack.pop();
if (!current || typeof current !== 'object') continue;
for (const key of Object.keys(current)) {
const value = current[key];
if (keys_array.includes(key) && typeof value === 'string' && /^https?:\/\//.test(value)) {
return value;
}
if (value && typeof value === 'object') stack.push(value);
}
}
return null;
}
function compose_from_codec(codec_obj) {
const ui = Array.isArray(codec_obj.url_info) ? codec_obj.url_info[0] : null;
const host = ui && ui.host;
const base = codec_obj.base_url;
const extra = ui && ui.extra;
if (typeof host === 'string' && typeof base === 'string' && typeof extra === 'string') {
return host + base + extra;
}
if (typeof codec_obj.url === 'string' && /^https?:\/\//.test(codec_obj.url)) {
return codec_obj.url;
}
return null;
}
function extract_master_url_from_play_info_json(play_info_json) {
const playurl = safely_get(play_info_json, j => j.data.playurl_info.playurl);
if (!playurl) return null;
const explicit = depth_first_find_value_by_keys(playurl, ['master_url', 'm3u8_master_url']);
if (explicit) return explicit;
const streams = Array.isArray(playurl.stream) ? playurl.stream : [];
const sorted_streams = [...streams].sort((a, b) => {
const ah = String(a.protocol_name || '').toLowerCase().includes('hls') ? -1 : 1;
const bh = String(b.protocol_name || '').toLowerCase().includes('hls') ? -1 : 1;
return ah - bh;
});
for (const s of sorted_streams) {
const formats = Array.isArray(s.format) ? s.format : [];
for (const f of formats) {
const codecs = Array.isArray(f.codec) ? f.codec : [];
for (const c of codecs) {
const u = compose_from_codec(c);
if (u) return u;
}
}
}
return null;
}
function extract_cid_from_play_info_json(play_info_json) {
const cid = safely_get(play_info_json, j => j.data.playurl_info.playurl.cid)
|| safely_get(play_info_json, j => j.data.playurl_info.playurl.video_project.cid);
return Number(cid || 0) || null;
}
function compose_url_for_selected_qn_from_play_info(play_info_json, selected_qn) {
const playurl = safely_get(play_info_json, j => j.data.playurl_info.playurl);
if (!playurl) return null;
const streams = Array.isArray(playurl.stream) ? playurl.stream : [];
const sorted_streams = [...streams].sort((a, b) => {
const ah = String(a.protocol_name || '').toLowerCase().includes('hls') ? -1 : 1;
const bh = String(b.protocol_name || '').toLowerCase().includes('hls') ? -1 : 1;
return ah - bh;
});
for (const s of sorted_streams) {
const formats = Array.isArray(s.format) ? s.format : [];
for (const f of formats) {
const codecs = Array.isArray(f.codec) ? f.codec : [];
const exact = codecs.find(c => Number(c.current_qn) === Number(selected_qn));
if (exact) {
const u = compose_from_codec(exact);
if (u) return u;
}
}
}
for (const s of sorted_streams) {
const formats = Array.isArray(s.format) ? s.format : [];
for (const f of formats) {
const codecs = Array.isArray(f.codec) ? f.codec : [];
for (const c of codecs) {
const u = compose_from_codec(c);
if (u) return u;
}
}
}
return null;
}
function collect_available_qn_and_current(play_info_json) {
const playurl = safely_get(play_info_json, j => j.data.playurl_info.playurl);
const available_set = new Set();
let current_max_qn = null;
const g_desc = safely_get(playurl, p => p.g_qn_desc) || [];
for (const item of g_desc) {
const qn = Number(item.qn);
if (!Number.isNaN(qn)) available_set.add(qn);
}
const streams = safely_get(playurl, p => p.stream) || [];
for (const s of streams) {
const formats = s && s.format || [];
for (const f of formats) {
const codecs = f && f.codec || [];
for (const c of codecs) {
const cur = Number(c.current_qn);
if (!Number.isNaN(cur)) {
available_set.add(cur);
if (current_max_qn === null || cur > current_max_qn) current_max_qn = cur;
}
const accepts = c.accept_qn || c.acceptQn || [];
for (const a of accepts) {
const n = Number(a);
if (!Number.isNaN(n)) available_set.add(n);
}
}
}
}
if (current_max_qn === null) current_max_qn = 10000;
const filtered_sorted = Array.from(available_set).filter(q => q <= current_max_qn).sort((a, b) => b - a);
if (filtered_sorted.length === 0) filtered_sorted.push(current_max_qn);
return { available_qn_sorted: filtered_sorted, current_max_qn };
}
function create_header_controls_node() {
const wrapper = document.createElement('span');
const button = document.createElement('button');
const select = document.createElement('select');
wrapper.style.display = 'inline-flex';
wrapper.style.gap = '6px';
wrapper.style.alignItems = 'center';
button.id = 'copy-master-url-header-button';
button.type = 'button';
button.textContent = '复制直播流URL';
button.classList.add('live-skin-normal-a-text');
button.style.width = '8.5em';
button.style.padding = '1px';
button.style.background = 'transparent';
button.style.border = '1.5px solid #999';
button.style.borderRadius = '4px';
button.style.color = '#999';
button.style.filter = 'contrast(0.6)';
button.style.cursor = 'pointer';
button.addEventListener('mouseenter', () => { button.style.filter = 'none'; });
button.addEventListener('mouseleave', () => { button.style.filter = 'contrast(0.6)'; });
button.addEventListener('mousedown', () => { button.style.transform = 'translate(0.3px, 0.3px)'; });
button.addEventListener('mouseup', () => { button.style.transform = 'none'; });
select.id = 'quality-number-selector';
select.style.height = '22px';
select.style.border = '1.5px solid #999';
select.style.borderRadius = '4px';
select.style.background = 'transparent';
select.style.color = '#999';
select.style.filter = 'contrast(0.8)';
select.classList.add('live-skin-normal-a-text');
wrapper.appendChild(button);
wrapper.appendChild(select);
return { wrapper, button, select };
}
function fill_quality_selector(select_node, qn_list, default_qn) {
select_node.innerHTML = '';
const unique_sorted = Array.from(new Set(qn_list)).sort((a, b) => b - a);
for (const qn of unique_sorted) {
const opt = document.createElement('option');
const label = QN_LABEL[qn] ? `${QN_LABEL[qn]} (${qn})` : `品质 ${qn}`;
opt.value = String(qn);
opt.textContent = label;
select_node.appendChild(opt);
}
const default_index = unique_sorted.findIndex(q => q === default_qn);
select_node.selectedIndex = default_index >= 0 ? default_index : 0;
}
async function mount_button_in_header_area() {
const right_container =
await wait_for_element_by_query('#head-info-vm .lower-row .right-ctnr', 180000) ||
await wait_for_element_by_query('#head-info-vm .lower-row', 10000);
if (!right_container) return;
const { wrapper, button, select } = create_header_controls_node();
right_container.appendChild(wrapper);
const room_id_number = get_room_id_from_page();
if (!room_id_number) {
button.textContent = '未获取房间号';
return;
}
let play_info_json = null;
try {
const url = build_play_info_url(room_id_number);
play_info_json = await gm_get_json(url);
} catch (e) {
console.log('[bili-copy] 获取房间播放信息失败', e);
}
const { available_qn_sorted, current_max_qn } = collect_available_qn_and_current(play_info_json || {});
fill_quality_selector(select, available_qn_sorted, current_max_qn);
const cid = extract_cid_from_play_info_json(play_info_json || {});
const mid = get_anchor_uid_from_page();
button.addEventListener('click', async () => {
const original_text = button.textContent;
try {
const selected_qn = Number(select.value || current_max_qn);
if (cid) {
const master_url = build_master_gateway_url(cid, mid, selected_qn);
const gw = await gm_fetch_raw(master_url);
let result_url = null;
if (gw.text.trim().startsWith('{')) {
try {
const gateway_json = JSON.parse(gw.text);
result_url = depth_first_find_value_by_keys(gateway_json, ['master_url', 'm3u8_master_url']);
if (result_url) console.log('[bili-copy] 使用JSON返回的master url');
} catch (_) {}
}
if (!result_url) {
const looks_like_m3u8 = gw.text.startsWith('#EXTM3U') || /apple\.mpegurl|mpegurl|m3u8/.test(gw.contentType);
if (looks_like_m3u8) {
result_url = gw.finalUrl;
console.log('[bili-copy] 网关直接返回M3U8，使用finalUrl');
}
}
if (!result_url) {
result_url = compose_url_for_selected_qn_from_play_info(play_info_json || {}, selected_qn)
|| extract_master_url_from_play_info_json(play_info_json || {});
if (result_url) console.log('[bili-copy] 使用回退URL');
}
if (result_url) {
GM_setClipboard(result_url, { type: 'text', mimetype: 'text/plain' });
button.textContent = '已复制';
setTimeout(() => { button.textContent = original_text; }, 1000);
return;
}
}
const fallback_url = compose_url_for_selected_qn_from_play_info(play_info_json || {}, Number(select.value || current_max_qn))
|| extract_master_url_from_play_info_json(play_info_json || {});
if (fallback_url) {
GM_setClipboard(fallback_url, { type: 'text', mimetype: 'text/plain' });
console.log('[bili-copy] 无cid/网关失败，使用备用URL');
button.textContent = '已复制(备用)';
setTimeout(() => { button.textContent = original_text; }, 1000);
} else {
button.textContent = '未找到链接';
setTimeout(() => { button.textContent = original_text; }, 1200);
}
} catch (err) {
console.log('[bili-copy] 复制失败', err);
button.textContent = '出错';
setTimeout(() => { button.textContent = original_text; }, 1200);
}
});
}
if (/https:\/\/live\.bilibili\.com\/(blanc\/)?\d+/.test(location.href)) {
mount_button_in_header_area();
}
})();
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