Create server.js

server.js

@@ -0,0 +1,103 @@
+const express = require('express');
+const cors = require('cors');
+const { exec, spawn } = require('child_process');
+const fs = require('fs').promises;
+const path = require('path');
+
+const app = express();
+app.use(cors());
+app.use(express.json({ limit: '50mb' }));
+
+const sandboxes = new Map();
+const devServers = new Map();
+
+// Health check
+app.get('/', (req, res) => {
+  res.json({ 
+    status: 'Sandbox server running',
+    sandboxes: sandboxes.size,
+    timestamp: new Date().toISOString()
+  });
+});
+
+// Create sandbox
+app.post('/api/sandbox/create', async (req, res) => {
+  try {
+    const sandboxId = `sandbox-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
+    const sandboxPath = path.join('/tmp', sandboxId);
+    
+    await fs.mkdir(sandboxPath, { recursive: true });
+    sandboxes.set(sandboxId, { 
+      path: sandboxPath,
+      createdAt: Date.now()
+    });
+    
+    console.log(`✅ Sandbox created: ${sandboxId}`);
+    res.json({ 
+      sandboxId, 
+      status: 'ready',
+      path: sandboxPath 
+    });
+  } catch (error) {
+    console.error('❌ Error:', error);
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Run command
+app.post('/api/sandbox/:id/command', async (req, res) => {
+  try {
+    const { id } = req.params;
+    const { command, args = [] } = req.body;
+    const sandbox = sandboxes.get(id);
+    
+    if (!sandbox) {
+      return res.status(404).json({ error: 'Sandbox not found' });
+    }
+    
+    const fullCommand = `cd ${sandbox.path} && ${command} ${args.join(' ')}`;
+    console.log(`⚡ Executing: ${fullCommand}`);
+    
+    exec(fullCommand, { 
+      timeout: 300000,
+      maxBuffer: 10 * 1024 * 1024 
+    }, (error, stdout, stderr) => {
+      res.json({
+        exitCode: error ? (error.code || 1) : 0,
+        stdout: stdout.toString(),
+        stderr: stderr.toString()
+      });
+    });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Write files
+app.post('/api/sandbox/:id/files', async (req, res) => {
+  try {
+    const { id } = req.params;
+    const { files } = req.body;
+    const sandbox = sandboxes.get(id);
+    
+    if (!sandbox) {
+      return res.status(404).json({ error: 'Sandbox not found' });
+    }
+    
+    for (const file of files) {
+      const fullPath = path.join(sandbox.path, file.path);
+      await fs.mkdir(path.dirname(fullPath), { recursive: true });
+      await fs.writeFile(fullPath, file.content, 'utf-8');
+    }
+    
+    res.json({ success: true, filesWritten: files.length });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Start server on port 7860
+const PORT = process.env.PORT || 7860;
+app.listen(PORT, '0.0.0.0', () => {
+  console.log(`🚀 Server running on port ${PORT}`);
+});