invidious-companion-patches/patches/0007-fix-temporary-player_id-override-until-an-official-f.patch

From 1809787ec91c57bb273a26f42f56bb9c8450789e Mon Sep 17 00:00:00 2001
From: Fijxu <fijxu@nadeko.net>
Date: Mon, 24 Mar 2025 20:06:47 -0300
Subject: [PATCH 7/9] fix: temporary player_id override until an official fix
 cames out

---
 deno.lock               |  2 +
 src/lib/jobs/potoken.ts |  5 +++
 src/main.ts             | 90 ++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 96 insertions(+), 1 deletion(-)

diff --git a/deno.lock b/deno.lock
index 338ad71..27d8ae6 100644
--- a/deno.lock
+++ b/deno.lock
@@ -451,6 +451,8 @@
     "https://esm.sh/@bufbuild/protobuf@2.0.0/wire": "eb1be07dad5823fc419cc9e6f62077a70962ce42facb1a5240b7d5c3674e852f",
     "https://esm.sh/bgutils-js@3.2.0": "9691c575e7f81d8c2652260f59356b5de97a242fc8b464dbba880a543f6ce075",
     "https://esm.sh/bgutils-js@3.2.0/denonext/bgutils-js.mjs": "9acd0267c5bf7273ba122a295f97795cb81d0f6d001db708c92548ac82977f93",
+    "https://raw.githubusercontent.com/LuanRT/YouTube.js/refs/tags/v13.0.0-deno/deno/src/types/Cache.ts": "06cd238bce7c9657055151587e36ee445e8236d54d27272124ced10ea7be0da4",
+    "https://raw.githubusercontent.com/LuanRT/YouTube.js/refs/tags/v13.0.0-deno/deno/src/types/PlatformShim.ts": "06f656f0d2bc20980ef77148455b662af10fe4b0e48d41566bf28e471eea4be1",
     "https://raw.githubusercontent.com/LuanRT/YouTube.js/refs/tags/v13.1.0-deno/deno.ts": "f913bfdb3c66b2330fa8b531bd1e291437b836c9fbf002b9ae044bf14e1f397c",
     "https://raw.githubusercontent.com/LuanRT/YouTube.js/refs/tags/v13.1.0-deno/deno/package.json": "4e1d16c0f95a2b58dc6dba7e0fe969b800794a6040ae02116e14eae2444e4429",
     "https://raw.githubusercontent.com/LuanRT/YouTube.js/refs/tags/v13.1.0-deno/deno/protos/generated/misc/common.ts": "7d6ca8d7cd7eafe1f8d5ddc11c440566c418aeaf2d8a03a72eced7466a691039",
diff --git a/src/lib/jobs/potoken.ts b/src/lib/jobs/potoken.ts
index 6867082..233ac32 100644
--- a/src/lib/jobs/potoken.ts
+++ b/src/lib/jobs/potoken.ts
@@ -1,3 +1,4 @@
+import { player } from "../../main.ts";
 import { BG, buildURL, GOOG_API_KEY, USER_AGENT } from "bgutils";
 import type { WebPoSignalOutput } from "bgutils";
 import { JSDOM } from "jsdom";
@@ -133,8 +134,12 @@ export const poTokenGenerate = async (
         fetch: getFetchClient(config),
         cache: innertubeClientCache,
         generate_session_locally: true,
+        retrieve_player: false,
     });
 
+    instantiatedInnertubeClient.session.player = player;
+    instantiatedInnertubeClient.session.player.po_token = sessionPoToken;
+
     try {
         const feed = await instantiatedInnertubeClient.getTrending();
         // get all videos and shuffle them randomly to avoid using the same trending video over and over
diff --git a/src/main.ts b/src/main.ts
index a792fee..b57cdc5 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,6 +1,17 @@
 import { Hono } from "hono";
 import { routes } from "./routes/index.ts";
-import { Innertube, UniversalCache } from "youtubei.js";
+import {
+    Constants,
+    Innertube,
+    Log,
+    Platform,
+    Player,
+    UniversalCache,
+} from "youtubei.js";
+import { ICache } from "https://raw.githubusercontent.com/LuanRT/YouTube.js/refs/tags/v13.0.0-deno/deno/src/types/Cache.ts";
+import { FetchFunction } from "https://raw.githubusercontent.com/LuanRT/YouTube.js/refs/tags/v13.0.0-deno/deno/src/types/PlatformShim.ts";
+import { getRandomUserAgent, PlayerError } from "youtubei.js/Utils";
+
 import { poTokenGenerate } from "./lib/jobs/potoken.ts";
 import { USER_AGENT } from "bgutils";
 import { retry } from "@std/async";
@@ -64,6 +75,83 @@ innertubeClient = await Innertube.create({
     user_agent: USER_AGENT,
 });
 
+export default class CustomPlayer extends Player {
+    constructor(
+        signature_timestamp: number,
+        sig_sc?: string,
+        nsig_sc?: string,
+    ) {
+        super("7795af42", signature_timestamp, sig_sc, nsig_sc);
+    }
+
+    static override async create(
+        cache: ICache | undefined,
+        fetch: FetchFunction = Platform.shim.fetch,
+        po_token?: string,
+    ): Promise<CustomPlayer> {
+        const player_id = "7795af42";
+
+        Log.info(
+            `Got player id (${player_id}). Checking for cached players..`,
+        );
+
+        if (!player_id) {
+            throw new PlayerError("Failed to get player id");
+        }
+
+        // We have the player id, now we can check if we have a cached player.
+        if (cache) {
+            const cached_player = await Player.fromCache(cache, player_id);
+            if (cached_player) {
+                cached_player.po_token = po_token;
+                return cached_player;
+            }
+        }
+
+        const player_url = new URL(
+            `/s/player/${player_id}/player_ias.vflset/en_US/base.js`,
+            Constants.URLS.YT_BASE,
+        );
+
+        const player_res = await fetch(player_url, {
+            headers: {
+                "user-agent": getRandomUserAgent("desktop"),
+            },
+        });
+
+        if (!player_res.ok) {
+            throw new PlayerError(
+                `Failed to get player data: ${player_res.status}`,
+            );
+        }
+
+        const player_js = await player_res.text();
+
+        const sig_timestamp = this.extractSigTimestamp(player_js);
+        const sig_sc = this.extractSigSourceCode(player_js);
+        const nsig_sc = this.extractNSigSourceCode(player_js);
+
+        Log.info(
+            `Got signature timestamp (${sig_timestamp}) and algorithms needed to decipher signatures.`,
+        );
+
+        const player = await Player.fromSource(
+            player_id,
+            sig_timestamp,
+            cache,
+            sig_sc,
+            nsig_sc,
+        );
+        player.po_token = po_token;
+
+        return player as CustomPlayer;
+    }
+}
+
+export const player = await CustomPlayer.create(undefined);
+
+innertubeClient.session.player = player;
+
 if (!innertubeClientOauthEnabled) {
     if (innertubeClientJobPoTokenEnabled) {
         ({ innertubeClient, tokenMinter } = await retry(
-- 
2.49.0