beginn the code

2026-04-06 00:31:58 +02:00 · 2025-11-09 13:08:23 +01:00
parent 9fc8fe6443
commit 0befc91f18
8 changed files with 1501 additions and 1 deletions
--- a/.env.example
+++ b/.env.example
@@ -0,0 +1,2 @@
+PORT=3000
+# YT_DLP_PATH=/src/yt-dlp
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,144 @@
+# Created by https://www.toptal.com/developers/gitignore/api/node
+# Edit at https://www.toptal.com/developers/gitignore?templates=node
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+### Node Patch ###
+# Serverless Webpack directories
+.webpack/
+
+# Optional stylelint cache
+
+# SvelteKit build / generate output
+.svelte-kit
+
+# End of https://www.toptal.com/developers/gitignore/api/node
--- a/16
+++ b/16
@@ -0,0 +1,16 @@
+FROM node:22-slim
+
+# yt-dlp installieren
+RUN apt-get update && apt-get install -y curl ca-certificates \
+ && curl -L https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -o /usr/local/bin/yt-dlp \
+ && chmod a+rx /usr/local/bin/yt-dlp \
+ && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm ci || npm i
+COPY . .
+
+ENV PORT=3000y
+EXPOSE 3000
+CMD ["npm","start"]
--- a/README.md
+++ b/README.md
@@ -1 +1,103 @@
-# vrc-ytdlp-export
+# vrc-ytdlp-resolver
+
+A small web tool that resolves direct playable video URLs from YouTube using `yt-dlp`.  
+This is useful for VRChat world video players that sometimes fail to play YouTube links due to bot protection or signature restrictions.
+
+Instead of relying on in-world extraction, this tool resolves the video **server-side** and outputs a temporary direct streaming link (`*.googlevideo.com`).  
+You can then paste this link into a VRChat video player that accepts raw media URLs.
+
+---
+
+## ✨ Features
+
+- Resolve YouTube watch URLs into playable direct video URLs
+- Prefers **progressive MP4 (H.264 + AAC)** for VRChat compatibility
+- Automatically falls back to adaptive video + audio streams if required
+- Web UI for easy usage
+- Shows:
+  - **Local `yt-dlp` version**
+  - **Latest available `yt-dlp` version from GitHub**
+  - Update availability notification
+
+---
+
+## 📦 Requirements
+
+- Node.js **18+**
+- `yt-dlp` installed and available in the system PATH  
+  (or specify a custom path via `YT_DLP_PATH`)
+
+---
+
+## 🧱 Installation
+
+```bash
+git clone https://github.com/MrUnknownDE/vrc-ytdlp-resolver
+cd vrc-ytdlp-resolver
+npm install
+````
+
+Make sure `yt-dlp` is installed:
+
+```bash
+# Linux / Mac
+curl -L https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -o yt-dlp
+chmod +x yt-dlp
+sudo mv yt-dlp /usr/local/bin/
+
+# Windows (PowerShell)
+winget install yt-dlp.yt-dlp
+```
+
+(Optional) Set a custom path:
+
+```bash
+export YT_DLP_PATH="/path/to/yt-dlp"
+```
+
+---
+
+## 🚀 Run
+
+```bash
+npm run dev
+```
+
+The web interface will be available at:
+
+```
+http://localhost:3000
+```
+
+---
+
+## 🐳 Docker
+
+```bash
+docker build -t vrc-ytdlp-resolver .
+docker run --rm -p 3000:3000 vrc-ytdlp-resolver
+```
+
+---
+
+## 🔧 Usage
+
+1. Open the web UI.
+2. Paste a YouTube watch link.
+3. Click **Resolve**.
+4. Copy the direct playback URL.
+5. Paste it into your VRChat video player.
+
+> ⚠️ Direct streaming URLs are temporary.
+> They may expire after several minutes or hours.
+> If playback stops later, simply resolve again.
+
+---
+
+## ⚠️ Disclaimer
+
+This tool **does not download or store media.**
+It only extracts direct streaming URLs that YouTube already provides for playback.
+
+Respect YouTube’s Terms of Service and copyright laws.
+Do not use this tool for piracy.
--- a/package-lock.json
+++ b/package-lock.json
@@ -0,0 +1,916 @@
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+  "name": "vrc-ytdlp-export",
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+      "license": "MIT",
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+    "node_modules/utils-merge": {
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+      "license": "MIT",
+      "engines": {
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+      }
+    },
+    "node_modules/vary": {
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+      "license": "MIT",
+      "engines": {
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+    "node_modules/yocto-queue": {
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+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-1.2.1.tgz",
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+      "license": "MIT",
+      "engines": {
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    }
+  }
+}
--- a/package.json
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "vrc-ytdlp-export",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "node src/server.js",
+    "start": "NODE_ENV=production node src/server.js"
+  },
+  "dependencies": {
+    "express": "^4.21.1",
+    "morgan": "^1.10.0",
+    "p-limit": "^6.1.0"
+  }
+}
--- a/public/index.html
+++ b/public/index.html
@@ -0,0 +1,128 @@
+<!-- /public/index.html -->
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta
+      name="viewport"
+      content="width=device-width,initial-scale=1,viewport-fit=cover"
+    />
+    <title>VRChat YouTube Resolver</title>
+    <style>
+      body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;max-width:760px;margin:4rem auto;padding:0 1rem;line-height:1.45}
+      header{margin-bottom:1rem}
+      .card{border:1px solid #ddd;border-radius:12px;padding:1rem}
+      .row{display:flex;gap:.5rem}
+      input[type="url"]{flex:1;padding:.75rem;border:1px solid #ccc;border-radius:8px}
+      button{padding:.75rem 1rem;border:0;border-radius:8px;background:#4f46e5;color:white;cursor:pointer}
+      button.secondary{background:#475569}
+      pre{white-space:pre-wrap;word-break:break-all;background:#0b1020;color:#e6ecff;padding:1rem;border-radius:8px}
+      .hint{font-size:.9rem;color:#334155}
+      .warn{color:#9a3412}
+      .ok{color:#065f46}
+      .grid{display:grid;gap:.5rem}
+      a.buttonlike { text-decoration: none; }
+    </style>
+  </head>
+  <body>
+    <header>
+      <h1>VRChat YouTube Resolver</h1>
+      <p class="hint">
+        Generates a direct <code>googlevideo.com</code> URL via <code>yt-dlp</code>.
+        Paste the result into your in-world video player. Note: URLs are time-limited.
+      </p>
+    </header>
+
+    <div id="ytver" class="hint" style="margin-bottom:1rem; font-size:0.9rem; color:#475569;">
+      yt-dlp version: loading…
+    </div>
+
+    <section class="card grid">
+      <form id="f" class="row">
+        <input id="url" type="url" placeholder="https://www.youtube.com/watch?v=..." required />
+        <button type="submit">Resolve</button>
+      </form>
+
+      <div id="out"></div>
+      <p class="hint">
+        Tip: Prefer a “Direct stream” (single URL). If you only get “Adaptive streams,” many world players
+        won’t accept separate video+audio URLs unless they have a proxy/muxer.
+      </p>
+    </section>
+
+    <script>
+      const $ = (s) => document.querySelector(s);
+      const out = $("#out");
+
+      async function showVersion() {
+        try {
+          const r = await fetch("/api/version");
+          const v = await r.json();
+          const el = $("#ytver");
+
+          if (!v.latest) {
+            el.textContent = `yt-dlp version: ${v.local}`;
+            return;
+          }
+
+          if (v.updateAvailable) {
+            el.innerHTML = `
+              yt-dlp version: <strong>${v.local}</strong> → 
+              <span style="color:#b91c1c;">Update available: ${v.latest}</span><br>
+              <a class="buttonlike" href="https://github.com/yt-dlp/yt-dlp/releases/latest" target="_blank">Open latest release</a>
+            `;
+          } else {
+            el.innerHTML = `yt-dlp version: <strong>${v.local}</strong> (up to date)`;
+          }
+        } catch {
+          $("#ytver").textContent = "yt-dlp version: (could not be queried)";
+        }
+      }
+
+      $("#f").addEventListener("submit", async (e) => {
+        e.preventDefault();
+        out.innerHTML = "Working…";
+        const url = $("#url").value.trim();
+
+        try {
+          const r = await fetch("/api/resolve", {
+            method: "POST",
+            headers: { "content-type": "application/json" },
+            body: JSON.stringify({ url }),
+          });
+          const data = await r.json();
+          if (!data.ok) throw new Error(data.error || "Unknown error");
+
+          const blocks = [];
+          if (data.url) {
+            const safe = data.url.replaceAll("'", "\\'");
+            blocks.push(`
+              <h3 class="ok">Direct stream</h3>
+              <pre id="u">${data.url}</pre>
+              <div class="row">
+                <button type="button" onclick="navigator.clipboard.writeText('${safe}')">Copy</button>
+                <a class="buttonlike" href="${data.url}" target="_blank"><button type="button" class="secondary">Open</button></a>
+              </div>
+              <p class="hint">${data.note || ""}</p>
+            `);
+          }
+          if (data.audioUrl) {
+            blocks.push(`
+              <h3 class="warn">Adaptive streams</h3>
+              <p class="hint warn">This likely won’t work in players that expect a single URL.</p>
+              <strong>Video:</strong>
+              <pre>${data.url}</pre>
+              <strong>Audio:</strong>
+              <pre>${data.audioUrl}</pre>
+            `);
+          }
+          out.innerHTML = blocks.join("");
+        } catch (err) {
+          out.innerHTML = `<p class="warn">${err.message}</p>`;
+        }
+      });
+
+      showVersion();
+    </script>
+  </body>
+</html>
--- a/src/server.js
+++ b/src/server.js
@@ -0,0 +1,177 @@
+// /src/server.js
+import express from "express";
+import morgan from "morgan";
+import { spawn } from "node:child_process";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import https from "node:https";
+import pLimit from "p-limit";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const app = express();
+app.use(morgan("tiny"));
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(express.static(path.join(__dirname, "..", "public")));
+
+const YT_DLP = process.env.YT_DLP_PATH || "yt-dlp";
+const limit = pLimit(2); // simple per-process concurrency limit
+
+// ---- Version detection & refresh (local + latest from GitHub) ----
+let localYtDlpVersion = "unknown";
+let latestYtDlpVersion = null;
+
+function fetchLatestYtDlpVersion() {
+  return new Promise((resolve, reject) => {
+    https.get(
+      {
+        hostname: "api.github.com",
+        path: "/repos/yt-dlp/yt-dlp/releases/latest",
+        headers: { "User-Agent": "vrc-ytdlp-webtool" }
+      },
+      (res) => {
+        let data = "";
+        res.on("data", (d) => (data += d));
+        res.on("end", () => {
+          try {
+            const json = JSON.parse(data);
+            const tag = (json.tag_name || "").toString().trim();
+            if (!tag) return reject(new Error("No tag_name in GitHub API response"));
+            resolve(tag.replace(/^v/i, ""));
+          } catch (e) {
+            reject(e);
+          }
+        });
+      }
+    ).on("error", reject);
+  });
+}
+
+async function detectLocalYtDlpVersion() {
+  return new Promise((resolve) => {
+    const child = spawn(YT_DLP, ["--version"]);
+    let out = "";
+    child.stdout.on("data", (d) => (out += d.toString()));
+    child.on("close", () => resolve(out.trim() || "unknown"));
+  });
+}
+
+(async () => {
+  localYtDlpVersion = await detectLocalYtDlpVersion();
+  try {
+    latestYtDlpVersion = await fetchLatestYtDlpVersion();
+  } catch {
+    // ignore on boot; we'll retry below
+  }
+  // re-check every 6 hours
+  setInterval(async () => {
+    try {
+      latestYtDlpVersion = await fetchLatestYtDlpVersion();
+    } catch {
+      // ignore errors; keep last known value
+    }
+  }, 6 * 60 * 60 * 1000);
+})();
+
+// ---- Core: resolve direct media URL via yt-dlp ----
+async function resolveDirectUrl(inputUrl) {
+  const formatSelector =
+    // 1) Progressive MP4 with audio (H.264 + AAC), https
+    "best[acodec!=none][vcodec*=avc][ext=mp4][protocol*=https]/" +
+    // 2) Any progressive with audio
+    "best[acodec!=none][protocol*=https]/" +
+    // 3) Anything with audio (may be HLS/DASH)
+    "best[acodec!=none]/" +
+    // 4) Fallback best
+    "best";
+
+  const json = await execJson([
+    "-J",
+    "-f",
+    formatSelector,
+    "--no-warnings",
+    "--no-playlist",
+    inputUrl
+  ]);
+
+  // Case A: yt-dlp returns a single playable URL (progressive)
+  if (json.url) {
+    return { url: json.url, note: "Direct stream (single URL)." };
+  }
+
+  // Case B: adaptive (separate video/audio)
+  if (Array.isArray(json.requested_formats) && json.requested_formats.length) {
+    const vid = json.requested_formats.find((f) => f.vcodec && f.acodec === "none");
+    const aud = json.requested_formats.find((f) => f.acodec && f.vcodec === "none");
+    if (vid?.url && aud?.url) {
+      return {
+        url: vid.url,
+        audioUrl: aud.url,
+        note:
+          "Adaptive streams (separate video/audio). Many in-world players expect a single URL."
+      };
+    }
+  }
+
+  throw new Error("Could not extract a playable URL.");
+}
+
+function execJson(args) {
+  return new Promise((resolve, reject) => {
+    const child = spawn(YT_DLP, args, { stdio: ["ignore", "pipe", "pipe"] });
+    let out = "";
+    let err = "";
+
+    child.stdout.on("data", (d) => (out += d.toString()));
+    child.stderr.on("data", (d) => (err += d.toString()));
+
+    child.on("close", (code) => {
+      if (code !== 0) {
+        return reject(new Error(`yt-dlp exited with ${code}: ${err || out}`));
+      }
+      try {
+        const json = JSON.parse(out);
+        resolve(json);
+      } catch (e) {
+        reject(new Error(`JSON parse error: ${e.message}\nRaw: ${out.slice(0, 4000)}`));
+      }
+    });
+  });
+}
+
+// ---- API routes ----
+app.post("/api/resolve", async (req, res) => {
+  const { url } = req.body || {};
+  if (
+    !url ||
+    !/^https?:\/\/(www\.)?youtube\.com\/|^https?:\/\/youtu\.be\//i.test(url)
+  ) {
+    return res.status(400).json({ error: "Please provide a valid YouTube URL." });
+  }
+
+  try {
+    const result = await limit(() => resolveDirectUrl(url));
+    res.json({ ok: true, ...result });
+  } catch (e) {
+    res.status(500).json({ ok: false, error: e.message });
+  }
+});
+
+app.get("/api/version", (req, res) => {
+  res.json({
+    local: localYtDlpVersion,
+    latest: latestYtDlpVersion,
+    updateAvailable: Boolean(
+      latestYtDlpVersion &&
+        localYtDlpVersion !== "unknown" &&
+        localYtDlpVersion !== latestYtDlpVersion
+    )
+  });
+});
+
+const port = process.env.PORT || 3000;
+app.listen(port, () => {
+  console.log(`VRC yt-dlp WebTool running at http://localhost:${port}`);
+});