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generate-meet.js

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+const http = require('http');
+// generate-meet.js
+
+// 1. CONFIGURATION - Paste your keys here
+const CLIENT_ID = '977481853112-pdqmfvqcgnnuqbrbi88r84mgv14mqbq8.apps.googleusercontent.com';
+const CLIENT_SECRET = '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';
+const REFRESH_TOKEN = '1//04hBu9T1sojSVCgYIARAAGAQSNwF-L9IrXYktOSabjSSDtaBVKW3xRaqYKhp3x7brpaMAvcBK5rNNj2cQQMTuk0_HTkQWnJ2maLo';
+
+const PORT = process.argv[2] || process.env.PORT || 3000;
+
+// access token: ya29.a0AT3oNZ_5YKJidHRWMmuU7hvgcbXyNH6xttPtx2eMj0pBXPbeElKdOVOBEblX9-oVAcIjBxPlZF3yfm56lakEfu4guLDxGX4oPUxUnArEje425vee0ZvyV9ZObIvCrVhht5wD9lsR7cmg78JUE10dvfY2J9ebWZluwEMSChtIY4tk5FdyGa8sKqXyD0yTRheuYIOkR5kaCgYKAb4SARQSFQHGX2MiT1ih_xx7ZmodLXopYQ3zsw0206
+/**
+ * Step 1: Silently exchange the permanent Refresh Token for a temporary 1-hour Access Token
+ */
+async function getAccessToken() {
+    const response = await fetch('https://oauth2.googleapis.com/token', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+            client_id: CLIENT_ID,
+            client_secret: CLIENT_SECRET,
+            refresh_token: REFRESH_TOKEN,
+            grant_type: 'refresh_token'
+        })
+    });
+    
+    const data = await response.json();
+    if (!response.ok) {
+        throw new Error(`Token Refresh Failed: ${data.error_description || data.error}`);
+    }
+    return data.access_token;
+}
+
+/**
+ * Step 2: Use the Access Token to create an OPEN meeting space (no knocking required)
+ */
+async function createOpenMeetSpace(accessToken) {
+    const response = await fetch('https://meet.googleapis.com/v2/spaces', {
+        method: 'POST',
+        headers: {
+            'Authorization': `Bearer ${accessToken}`,
+            'Content-Type': 'application/json'
+        },
+        // "accessType: OPEN" makes sure anyone clicking this link enters instantly without waiting in a lobby
+        body: JSON.stringify({
+            config: {
+                accessType: "OPEN" 
+            }
+        })
+    });
+    
+    const data = await response.json();
+    if (!response.ok) {
+        throw new Error(`Meet API Error: ${data.error.message}`);
+    }
+    return data.meetingUri;
+}
+
+// 3. HTTP SERVER SETUP
+const server = http.createServer(async (req, res) => {
+    // Enable CORS headers so your frontend script can call this server
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+
+    // Handle browser CORS preflight check
+    if (req.method === 'OPTIONS') {
+        res.writeHead(200);
+        res.end();
+        return;
+    }
+
+    // Server endpoint matching /webhook/new-meet
+    if (req.url === '/webhook/new-meet' || req.url === '/generate-meet') {
+        try {
+            console.log(`[${new Date().toISOString()}] 🔄 Connecting to Google Cloud...`);
+            const accessToken = await getAccessToken();
+            
+            console.log(`[${new Date().toISOString()}] 🚀 Creating open Google Meet room...`);
+            const meetLink = await createOpenMeetSpace(accessToken);
+
+            console.log(`[${new Date().toISOString()}] 🎉 Link generated: ${meetLink}`);
+
+            // Return JSON payload to the frontend
+            res.writeHead(200, { 'Content-Type': 'application/json' });
+            res.end(JSON.stringify({
+                success: true,
+                meetLink: meetLink
+            }));
+
+        } catch (error) {
+            console.error(`[${new Date().toISOString()}] ❌ Error:`, error.message);
+
+            res.writeHead(500, { 'Content-Type': 'application/json' });
+            res.end(JSON.stringify({
+                success: false,
+                error: error.message
+            }));
+        }
+    } else {
+        res.writeHead(404, { 'Content-Type': 'application/json' });
+        res.end(JSON.stringify({ error: 'Endpoint not found' }));
+    }
+});
+
+// Start listening
+server.listen(PORT, () => {
+    console.log(`=========================================`);
+    console.log(`🚀 Server running at http://localhost:${PORT}`);
+    console.log(`👉 Endpoint: http://localhost:${PORT}/webhook/new-meet`);
+    console.log(`=========================================`);
+});