youtube: add support for OAuth2 tokens (#558)

package.json

@@ -11,9 +11,9 @@
     "scripts": {
         "start": "node src/cobalt",
         "setup": "node src/modules/setup",
-        "test": "node src/test/test",
+        "test": "node src/util/test",
         "build": "node src/modules/buildStatic",
-        "testFilenames": "node src/test/testFilenamePresets"
+        "token:youtube": "node src/util/generate-youtube-tokens"
     },
     "repository": {
         "type": "git",

src/modules/processing/services/youtube.js

@@ -2,7 +2,7 @@ import { Innertube, Session } from 'youtubei.js';
 import { env } from '../../config.js';
 import { cleanString } from '../../sub/utils.js';
 import { fetch } from 'undici'
-import { getCookie } from '../cookie/manager.js'
+import { getCookie, updateCookieValues } from '../cookie/manager.js'
 
 const ytBase = Innertube.create().catch(e => e);
 
@@ -24,6 +24,26 @@ const codecMatch = {
     }
 }
 
+const transformSessionData = (cookie) => {
+    if (!cookie)
+        return;
+
+    const values = cookie.values();
+    const REQUIRED_VALUES = [
+        'access_token', 'refresh_token',
+        'client_id', 'client_secret',
+        'expires'
+    ];
+
+    if (REQUIRED_VALUES.some(x => typeof values[x] !== 'string')) {
+        return;
+    }
+    return {
+        ...values,
+        expires: new Date(values.expires),
+    };
+}
+
 const cloneInnertube = async (customFetch) => {
     const innertube = await ytBase;
     if (innertube instanceof Error) {
@@ -36,11 +56,32 @@ const cloneInnertube = async (customFetch) => {
         innertube.session.api_version,
         innertube.session.account_index,
         innertube.session.player,
-        getCookie('youtube')?.toString(),
+        undefined,
         customFetch ?? innertube.session.http.fetch,
         innertube.session.cache
     );
 
+    const cookie = getCookie('youtube_oauth');
+    const oauthData = transformSessionData(cookie);
+
+    if (!session.logged_in && oauthData) {
+        await session.oauth.init(oauthData);
+        session.logged_in = true;
+    }
+
+    if (session.logged_in) {
+        await session.oauth.refreshIfRequired();
+        const oldExpiry = new Date(cookie.values().expires);
+        const newExpiry = session.oauth.credentials.expires;
+
+        if (oldExpiry.getTime() !== newExpiry.getTime()) {
+            updateCookieValues(cookie, {
+                ...session.oauth.credentials,
+                expires: session.oauth.credentials.expires.toISOString()
+            });
+        }
+    }
+
     const yt = new Innertube(session);
     return yt;
 }
@@ -62,7 +103,7 @@ export default async function(o) {
     }
 
     try {
-        info = await yt.getBasicInfo(o.id, 'IOS');
+        info = await yt.getBasicInfo(o.id, yt.session.logged_in ? 'ANDROID' : 'IOS');
     } catch(e) {
         if (e?.message === 'This video is unavailable') {
             return { error: 'ErrorCouldntFetch' };

src/util/generate-youtube-tokens.js

@@ -0,0 +1,38 @@
+import { Innertube } from 'youtubei.js';
+import { Red } from '../modules/sub/consoleText.js'
+
+const bail = (...msg) => {
+    console.error(...msg);
+    throw new Error(msg);
+};
+
+const tube = await Innertube.create();
+
+tube.session.once(
+    'auth-pending',
+    ({ verification_url, user_code }) => {
+        console.log(`${Red('[!]')} The token generated by this script is sensitive and you should not share it with anyone!`);
+        console.log(`    By using this token, you are risking your Google account getting terminated.`);
+        console.log(`    You should ${Red('NOT')} use your personal account!`);
+        console.log();
+        console.log(`Open ${verification_url} in a browser and enter ${user_code} when asked for the code.`);
+    }
+);
+
+tube.session.once('auth-error', (err) => bail('An error occurred:', err));
+tube.session.once('auth', ({ status, credentials, ...rest }) => {
+    if (status !== 'SUCCESS') {
+        bail('something went wrong', rest);
+    }
+
+    console.log(
+        'add this cookie to the youtube_oauth array in your cookies file:',
+        JSON.stringify(
+            Object.entries(credentials)
+                .map(([k, v]) => `${k}=${v instanceof Date ? v.toISOString() : v}`)
+                .join('; ')
+        )
+    );
+});
+
+await tube.session.signIn();

src/test/test.js → src/util/test.js

@@ -9,7 +9,7 @@ import { normalizeRequest } from "../modules/processing/request.js";
 import { env } from "../modules/config.js";
 
 env.apiURL = 'http://localhost:9000'
-let tests = loadJSON('./src/test/tests.json');
+let tests = loadJSON('./src/util/tests.json');
 
 let noTest = [];
 let failed = [];