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Create server.js

by nirkyy - opened Apr 25

base: refs/heads/main

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from: refs/pr/2

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+const express = require('express');
+const WebSocket = require('ws');
+const crypto = require('crypto');
+const fs = require('fs');
+const path = require('path');
+const ffmpeg = require('fluent-ffmpeg');
+const app = express();
+const PORT = 7860;
+// Konfigurasi TTS
+const TRUSTED_CLIENT_TOKEN = "6A5AA1D4EAFF4E9FB37E23D68491D6F4";
+const GEC_VERSION = "1-143.0.3650.75";
+const WSS_URL = "wss://speech.text-to-speech.online/consumer/speech/synthesize/readaloud/edge/v1";
+// Pastikan folder temp ada
+const tempDir = path.join(__dirname, 'temp');
+if (!fs.existsSync(tempDir)) fs.mkdirSync(tempDir);
+/**
+ * RE Logics
+ */
+function generateMSHash() {
+    const WIN_EPOCH = 11644473600n;
+    const S_TO_NS = 1000000000n;
+    let ticks = BigInt(Math.floor(Date.now() / 1000));
+    ticks += WIN_EPOCH;
+    ticks -= (ticks % 300n);
+    ticks *= (S_TO_NS / 100n);
+    const strToHash = `${ticks}${TRUSTED_CLIENT_TOKEN}`;
+    return crypto.createHash('sha256').update(strToHash).digest('hex').toUpperCase();
+}
+function createGuid() {
+    return crypto.randomBytes(16).toString('hex').toUpperCase();
+}
+/**
+ * Core TTS Synthesis
+ */
+function synthesize(text, voice, speed) {
+    return new Promise((resolve, reject) => {
+        const requestId = createGuid();
+        const connectionId = createGuid();
+        const gec = generateMSHash();
+        const fullUrl = `${WSS_URL}?TrustedClientToken=${TRUSTED_CLIENT_TOKEN}&Sec-MS-GEC=${gec}&Sec-MS-GEC-Version=${GEC_VERSION}&Authorization=bearer%20undefined&ConnectionId=${connectionId}`;
+        const ws = new WebSocket(fullUrl, {
+            origin: 'https://www.text-to-speech.online',
+            headers: { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/120.0.0.0 Safari/537.36' }
+        });
+        let audioChunks = [];
+        const ttsRate = speed >= 1 ? `+${(speed - 1) * 100}%` : `-${(1 - speed) * 100}%`;
+        ws.on('open', () => {
+            ws.send(`Path: speech.config\r\nX-RequestId: ${requestId}\r\nX-Timestamp: ${new Date().toISOString()}\r\nContent-Type: application/json\r\n\r\n{"context":{"system":{"name":"SpeechSDK","version":"1.19.0","build":"JavaScript","lang":"JavaScript"},"os":{"platform":"Browser/Win32","name":"Chrome","version":"120.0.0.0"}}}`);
+            ws.send(`Path: synthesis.context\r\nX-RequestId: ${requestId}\r\nX-Timestamp: ${new Date().toISOString()}\r\nContent-Type: application/json\r\n\r\n{"synthesis":{"audio":{"metadataOptions":{"bookmarkEnabled":false,"sentenceBoundaryEnabled":false,"visemeEnabled":false,"wordBoundaryEnabled":false},"outputFormat":"audio-24khz-48kbitrate-mono-mp3"},"language":{"autoDetection":false}}}`);
+            ws.send(`Path: ssml\r\nX-RequestId: ${requestId}\r\nX-Timestamp: ${new Date().toISOString()}\r\nContent-Type: application/ssml+xml\r\n\r\n<speak version="1.0" xmlns="http://www.w3.org/2001/10/synthesis" xml:lang="en-US"><voice name="${voice}"><prosody rate="${ttsRate}" pitch="0%">${text}</prosody></voice></speak>`);
+        });
+        ws.on('message', (data, isBinary) => {
+            if (isBinary) {
+                const separator = Buffer.from('Path:audio\r\n');
+                const index = data.indexOf(separator);
+                if (index !== -1) audioChunks.push(data.slice(index + separator.length));
+            } else if (data.toString().includes('turn.end')) {
+                ws.close();
+                resolve(Buffer.concat(audioChunks));
+            }
+        });
+        ws.on('error', reject);
+    });
+}
+/**
+ * Express Routes
+ */
+// UI Sederhana
+app.get('/', (req, res) => {
+    res.send(`
+        <html>
+            <head><title>Edge TTS Mixer</title></head>
+            <body style="font-family:sans-serif; max-width:500px; margin:50px auto;">
+                <h2>Edge TTS Web UI</h2>
+                <form action="/generate" method="GET">
+                    <textarea name="text" style="width:100%" rows="4" placeholder="Masukkan teks..."></textarea><br><br>
+                    Kecepatan: <input type="number" name="speed" value="1.0" step="0.1" min="0.5" max="2.0"><br><br>
+                    Pakai Backsound: <input type="checkbox" name="use_bg" value="true" checked><br><br>
+                    Volume Backsound (0.1 - 1.0): <input type="number" name="bg_vol" value="0.3" step="0.1"><br><br>
+                    <button type="submit" style="padding:10px 20px">Generate & Download</button>
+                </form>
+            </body>
+        </html>
+    `);
+});
+// Endpoint Generate
+app.get('/generate', async (req, res) => {
+    const text = req.query.text || "Halo selamat datang";
+    const speed = parseFloat(req.query.speed) || 1.0;
+    const useBg = req.query.use_bg === 'true';
+    const bgVol = parseFloat(req.query.bg_vol) || 0.3;
+    const voice = "id-ID-ArdiNeural";
+    const jobId = Date.now();
+    const vocalPath = path.join(tempDir, `vocal_${jobId}.mp3`);
+    const finalPath = path.join(tempDir, `final_${jobId}.mp3`);
+    const backsoundPath = path.join(__dirname, 'backsound.mp3');
+    try {
+        // 1. Ambil Vokal dari TTS
+        const audioBuffer = await synthesize(text, voice, speed);
+        fs.writeFileSync(vocalPath, audioBuffer);
+        if (useBg && fs.existsSync(backsoundPath)) {
+            // 2. Mix dengan Backsound
+            ffmpeg()
+                .input(vocalPath)
+                .input(backsoundPath)
+                .complexFilter([
+                    { filter: 'volume', options: { volume: bgVol }, inputs: '1:a', outputs: 'bg' },
+                    { filter: 'amix', options: { inputs: 2, duration: 'first' }, inputs: ['0:a', 'bg'], outputs: 'out' }
+                ])
+                .map('out')
+                .audioCodec('libmp3lame')
+                .on('error', (err) => res.status(500).send("FFmpeg Error: " + err.message))
+                .on('end', () => {
+                    res.download(finalPath, "audio_result.mp3", () => {
+                        // Cleanup
+                        if (fs.existsSync(vocalPath)) fs.unlinkSync(vocalPath);
+                        if (fs.existsSync(finalPath)) fs.unlinkSync(finalPath);
+                    });
+                })
+                .save(finalPath);
+        } else {
+            // 3. Tanpa Backsound
+            res.download(vocalPath, "audio_vocal.mp3", () => {
+                if (fs.existsSync(vocalPath)) fs.unlinkSync(vocalPath);
+            });
+        }
+    } catch (err) {
+        res.status(500).send("Error: " + err.message);
+    }
+});
+app.listen(PORT, () => {
+    console.log(`Server berjalan di http://localhost:${PORT}`);
+});