Ocx File Download May 2026
<script> class OCXDownloader constructor() this.apiBase = '/api'; this.init();
// Security: Validate filename to prevent path traversal const safeName = path.basename(filename); if (!safeName.endsWith('.ocx')) return res.status(400).json( error: 'Invalid file type' );
// Optional: Get list of available OCX files router.get('/ocx-files', (req, res) => const ocxDir = path.join(__dirname, '../protected/ocx_files'); ocx file download
module.exports = router; <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>OCX File Download</title> <style> body font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; background: #f5f5f5; .container background: white; border-radius: 8px; padding: 20px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); .file-list margin: 20px 0; .file-item display: flex; justify-content: space-between; align-items: center; padding: 10px; border: 1px solid #ddd; margin-bottom: 10px; border-radius: 4px; background: #fafafa; .file-info flex-grow: 1; .file-name font-weight: bold; color: #333; .file-meta font-size: 12px; color: #666; margin-top: 4px; button background: #007bff; color: white; border: none; padding: 8px 16px; border-radius: 4px; cursor: pointer; transition: background 0.3s; button:hover background: #0056b3; button:disabled background: #ccc; cursor: not-allowed; .progress-bar width: 100%; height: 4px; background: #e0e0e0; border-radius: 2px; overflow: hidden; margin-top: 8px; .progress-fill width: 0%; height: 100%; background: #28a745; transition: width 0.3s; .status margin-top: 20px; padding: 10px; border-radius: 4px; display: none; .status.success background: #d4edda; color: #155724; border: 1px solid #c3e6cb; .status.error background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; .status.info background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; .warning background: #fff3cd; color: #856404; padding: 12px; border-radius: 4px; margin-bottom: 20px; border-left: 4px solid #ffc107; </style> </head> <body> <div class="container"> <h2>OCX Component Download</h2> <div class="warning"> <strong>⚠️ Security Notice:</strong> OCX files are executable components. Only download from trusted sources. Verify file signatures before installation. </div>
fs.readdir(ocxDir, (err, files) => if (err) return res.status(500).json( error: 'Unable to list files' ); <script> class OCXDownloader constructor() this
// Check if file exists if (!fs.existsSync(filePath)) return res.status(404).json( error: 'OCX file not found' );
const filePath = path.join(__dirname, '../protected/ocx_files', safeName); </div> fs
// Set headers for OCX download res.setHeader('Content-Type', 'application/octet-stream'); res.setHeader('Content-Disposition', attachment; filename="$safeName" ); res.setHeader('X-Content-Type-Options', 'nosniff');
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