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Update youtubeExtractor.ts 1
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1 changed files with 60 additions and 38 deletions
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@ -68,52 +68,67 @@ export interface YouTubeExtractionResult {
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// Constants
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// ---------------------------------------------------------------------------
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// Innertube client configs — we use Android (no cipher, direct URLs)
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// and web as fallback (may need cipher decode)
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const INNERTUBE_API_KEY = 'AIzaSyA8ggJvXiQHQFN-YMEoM30s0s3RlxEYJuA';
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// Innertube client configs.
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// Note: ?key= param was deprecated by YouTube in mid-2023 and is no longer sent.
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//
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// IMPORTANT: As of late 2024, YouTube requires Proof of Origin (PO) tokens for
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// most clients (ANDROID, IOS, WEB). Without a PO token, the player API returns
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// format URLs but segment fetches get HTTP 403. The ANDROID_VR client is currently
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// the only client that bypasses PO token requirements and gives full format access
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// without authentication. Keep it first in the client list.
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//
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// Reference: https://github.com/yt-dlp/yt-dlp/wiki/PO-Token-Guide
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const INNERTUBE_URL = 'https://www.youtube.com/youtubei/v1/player';
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// Android client gives direct URLs without cipher obfuscation
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// ANDROID_VR (Oculus Quest) — bypasses PO token requirement, full format access.
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// This is the primary client. clientVersion from yt-dlp as of 2025.
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const ANDROID_VR_CLIENT_CONTEXT = {
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client: {
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clientName: 'ANDROID_VR',
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clientVersion: '1.60.19',
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deviceMake: 'Oculus',
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deviceModel: 'Quest 3',
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androidSdkVersion: 32,
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userAgent:
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'com.google.android.apps.youtube.vr.oculus/1.60.19 (Linux; U; Android 12L; eureka-user Build/SQ3A.220605.009.A1) gzip',
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hl: 'en',
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gl: 'US',
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},
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};
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// ANDROID_SDKLESS — secondary fallback, no PO token needed, updated version.
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// Works for most non-age-restricted content.
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const ANDROID_CLIENT_CONTEXT = {
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client: {
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clientName: 'ANDROID',
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clientVersion: '19.09.37',
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clientVersion: '20.10.38',
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androidSdkVersion: 30,
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osName: 'Android',
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osVersion: '11',
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userAgent:
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'com.google.android.youtube/19.09.37 (Linux; U; Android 11) gzip',
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'com.google.android.youtube/20.10.38 (Linux; U; Android 11) gzip',
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hl: 'en',
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gl: 'US',
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},
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};
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// iOS client as secondary fallback
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const IOS_CLIENT_CONTEXT = {
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// TV client — no PO token needed, good format availability.
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const TV_CLIENT_CONTEXT = {
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client: {
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clientName: 'IOS',
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clientVersion: '19.09.3',
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deviceModel: 'iPhone14,3',
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clientName: 'TVHTML5',
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clientVersion: '7.20250422.19.00',
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userAgent:
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'com.google.ios.youtube/19.09.3 (iPhone14,3; U; CPU iPhone OS 15_6 like Mac OS X)',
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'Mozilla/5.0 (SMART-TV; Linux; Tizen 6.0) AppleWebKit/538.1 (KHTML, like Gecko) Version/6.0 TV Safari/538.1',
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hl: 'en',
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gl: 'US',
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},
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};
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// TV Embedded client — works for age-restricted / embed-allowed content
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const TVHTML5_EMBEDDED_CONTEXT = {
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client: {
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clientName: 'TVHTML5_SIMPLY_EMBEDDED_PLAYER',
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clientVersion: '2.0',
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hl: 'en',
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gl: 'US',
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},
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};
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// Web Embedded client — good fallback for content that rejects app clients
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// Web Embedded — fallback for embeddable content, may need PO token for segments.
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const WEB_EMBEDDED_CONTEXT = {
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client: {
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clientName: 'WEB_EMBEDDED_PLAYER',
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clientVersion: '2.20240726.00.00',
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clientVersion: '2.20250422.01.00',
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hl: 'en',
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gl: 'US',
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},
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@ -359,7 +374,8 @@ async function writeDashManifestToFile(
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async function fetchPlayerResponse(
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videoId: string,
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context: object,
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userAgent: string
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userAgent: string,
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clientNameId: string = '3'
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): Promise<InnertubePlayerResponse | null> {
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const controller = new AbortController();
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const timer = setTimeout(() => controller.abort(), REQUEST_TIMEOUT_MS);
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@ -373,13 +389,13 @@ async function fetchPlayerResponse(
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};
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const response = await fetch(
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`${INNERTUBE_URL}?key=${INNERTUBE_API_KEY}&prettyPrint=false`,
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`${INNERTUBE_URL}?prettyPrint=false`,
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{
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'User-Agent': userAgent,
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'X-YouTube-Client-Name': '3',
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'X-YouTube-Client-Name': clientNameId,
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'Origin': 'https://www.youtube.com',
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'Referer': `https://www.youtube.com/watch?v=${videoId}`,
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},
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@ -500,24 +516,30 @@ export class YouTubeExtractor {
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logger.info('YouTubeExtractor', `Extracting for videoId=${videoId} platform=${platform ?? 'unknown'}`);
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const clients: Array<{ context: object; userAgent: string; name: string }> = [
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// Client order matters: ANDROID_VR first because it bypasses PO token requirements.
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// Other clients may return 403 on segment fetch even if player API succeeds.
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const clients: Array<{ context: object; userAgent: string; name: string; clientNameId: string }> = [
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{
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name: 'ANDROID_VR',
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clientNameId: '28',
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context: ANDROID_VR_CLIENT_CONTEXT,
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userAgent: 'com.google.android.apps.youtube.vr.oculus/1.60.19 (Linux; U; Android 12L; eureka-user Build/SQ3A.220605.009.A1) gzip',
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},
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{
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name: 'ANDROID',
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clientNameId: '3',
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context: ANDROID_CLIENT_CONTEXT,
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userAgent: 'com.google.android.youtube/19.09.37 (Linux; U; Android 11) gzip',
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userAgent: 'com.google.android.youtube/20.10.38 (Linux; U; Android 11) gzip',
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},
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{
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name: 'IOS',
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context: IOS_CLIENT_CONTEXT,
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userAgent: 'com.google.ios.youtube/19.09.3 (iPhone14,3; U; CPU iPhone OS 15_6 like Mac OS X)',
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},
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{
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name: 'TVHTML5_EMBEDDED',
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context: TVHTML5_EMBEDDED_CONTEXT,
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userAgent: 'Mozilla/5.0 (SMART-TV; Linux; Tizen 6.0)',
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name: 'TV',
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clientNameId: '7',
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context: TV_CLIENT_CONTEXT,
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userAgent: 'Mozilla/5.0 (SMART-TV; Linux; Tizen 6.0) AppleWebKit/538.1 (KHTML, like Gecko) Version/6.0 TV Safari/538.1',
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},
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{
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name: 'WEB_EMBEDDED',
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clientNameId: '56',
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context: WEB_EMBEDDED_CONTEXT,
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userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36',
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},
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@ -529,7 +551,7 @@ export class YouTubeExtractor {
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for (const client of clients) {
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logger.info('YouTubeExtractor', `Trying ${client.name} client...`);
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const resp = await fetchPlayerResponse(videoId, client.context, client.userAgent);
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const resp = await fetchPlayerResponse(videoId, client.context, client.userAgent, client.clientNameId);
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if (!resp) continue;
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const status = resp.playabilityStatus?.status;
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