Add server diagnostic script for debugging 500 errors
Created server-check.php to diagnose deployment issues: CHECKS: ✓ PHP version and server info ✓ Composer vendor/ directory exists ✓ Firebase JWT library installed ✓ config.php exists ✓ .env file exists ✓ All critical PHP files present ✓ Directory permissions (uploads/) ✓ Test loads env_loader.php ✓ Test loads config.php ✓ Test loads AuthMiddleware.php ✓ Shows specific errors if files fail to load USAGE: Visit: https://your-server.com/nano-pro/server-check.php Shows: - What's missing or broken - Exact error messages - Action items to fix - Deployment checklist Perfect for diagnosing 500 errors without SSH access! 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>
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server-check.php
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server-check.php
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<?php
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/**
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* Server Diagnostic Script
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* Visit this page to see what's wrong with the deployment
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*/
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header('Content-Type: text/html; charset=utf-8');
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<title>Server Diagnostic - Nano Banana Pro</title>
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<style>
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body { font-family: monospace; background: #000; color: #0f0; padding: 20px; }
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.section { background: #1a1a1a; padding: 15px; margin: 10px 0; border-left: 4px solid #0f0; }
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.error { border-left-color: #f00; color: #f00; }
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.warning { border-left-color: #ff0; color: #ff0; }
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.success { border-left-color: #0f0; color: #0f0; }
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h1 { color: #0ff; }
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h2 { color: #ff0; }
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pre { margin: 5px 0; }
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</style>
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</head>
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<body>
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<h1>=== NANO BANANA PRO SERVER DIAGNOSTIC ===</h1>
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<div class="section">
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<h2>1. PHP Information</h2>
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<pre>PHP Version: <?php echo phpversion(); ?></pre>
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<pre>Server: <?php echo $_SERVER['SERVER_SOFTWARE'] ?? 'Unknown'; ?></pre>
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<pre>Document Root: <?php echo $_SERVER['DOCUMENT_ROOT'] ?? 'Unknown'; ?></pre>
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<pre>Current Directory: <?php echo __DIR__; ?></pre>
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</div>
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<div class="section <?php echo file_exists(__DIR__ . '/vendor') ? 'success' : 'error'; ?>">
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<h2>2. Composer Dependencies (vendor/)</h2>
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<?php if (file_exists(__DIR__ . '/vendor')): ?>
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<pre>✓ vendor/ directory EXISTS</pre>
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<pre>✓ Autoload: <?php echo file_exists(__DIR__ . '/vendor/autoload.php') ? 'EXISTS' : 'MISSING'; ?></pre>
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<pre>✓ Firebase JWT: <?php echo file_exists(__DIR__ . '/vendor/firebase') ? 'INSTALLED' : 'MISSING'; ?></pre>
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<?php else: ?>
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<pre>✗ vendor/ directory MISSING</pre>
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<pre>✗ FIX: Run 'composer install' on the server</pre>
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<?php endif; ?>
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</div>
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<div class="section <?php echo file_exists(__DIR__ . '/config.php') ? 'success' : 'error'; ?>">
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<h2>3. Configuration Files</h2>
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<pre>config.php: <?php echo file_exists(__DIR__ . '/config.php') ? '✓ EXISTS' : '✗ MISSING'; ?></pre>
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<pre>.env: <?php echo file_exists(__DIR__ . '/.env') ? '✓ EXISTS' : '⚠ MISSING (optional)'; ?></pre>
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<pre>.env.example: <?php echo file_exists(__DIR__ . '/.env.example') ? '✓ EXISTS' : '✗ MISSING'; ?></pre>
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</div>
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<div class="section">
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<h2>4. Critical Files Check</h2>
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<?php
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$criticalFiles = [
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'index.php',
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'api.php',
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'auth.php',
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'AuthMiddleware.php',
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'JWTValidator.php',
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'session_manager.php',
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'env_loader.php',
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'enhance_prompt.php'
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];
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foreach ($criticalFiles as $file):
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?>
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<pre><?php echo $file; ?>: <?php echo file_exists(__DIR__ . '/' . $file) ? '✓' : '✗ MISSING'; ?></pre>
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<?php endforeach; ?>
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</div>
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<div class="section">
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<h2>5. Directory Permissions</h2>
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<?php
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$uploads = __DIR__ . '/uploads';
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$sessions = __DIR__ . '/uploads/sessions';
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?>
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<pre>uploads/: <?php echo is_dir($uploads) ? (is_writable($uploads) ? '✓ Writable' : '⚠ Not writable') : '✗ Missing'; ?></pre>
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<pre>uploads/sessions/: <?php echo is_dir($sessions) ? (is_writable($sessions) ? '✓ Writable' : '⚠ Not writable') : '✗ Missing'; ?></pre>
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</div>
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<div class="section">
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<h2>6. Testing File Loads</h2>
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<?php
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echo "<pre>Testing env_loader.php...</pre>";
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try {
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if (file_exists(__DIR__ . '/env_loader.php')) {
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require_once __DIR__ . '/env_loader.php';
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echo "<pre class='success'>✓ env_loader.php loaded successfully</pre>";
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} else {
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echo "<pre class='error'>✗ env_loader.php missing</pre>";
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}
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} catch (Exception $e) {
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echo "<pre class='error'>✗ Error: " . htmlspecialchars($e->getMessage()) . "</pre>";
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}
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echo "<pre>Testing config.php...</pre>";
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try {
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if (file_exists(__DIR__ . '/config.php')) {
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require_once __DIR__ . '/config.php';
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echo "<pre class='success'>✓ config.php loaded successfully</pre>";
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echo "<pre> GEMINI_API_KEY: " . (defined('GEMINI_API_KEY') && !empty(GEMINI_API_KEY) ? '✓ SET' : '✗ NOT SET') . "</pre>";
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echo "<pre> SSO_ENABLED: " . (defined('SSO_ENABLED') ? (SSO_ENABLED ? 'TRUE' : 'FALSE') : '✗ NOT SET') . "</pre>";
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} else {
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echo "<pre class='error'>✗ config.php missing</pre>";
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}
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} catch (Exception $e) {
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echo "<pre class='error'>✗ Error: " . htmlspecialchars($e->getMessage()) . "</pre>";
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}
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echo "<pre>Testing AuthMiddleware.php...</pre>";
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try {
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if (file_exists(__DIR__ . '/AuthMiddleware.php')) {
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require_once __DIR__ . '/AuthMiddleware.php';
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echo "<pre class='success'>✓ AuthMiddleware.php loaded successfully</pre>";
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} else {
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echo "<pre class='error'>✗ AuthMiddleware.php missing</pre>";
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}
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} catch (Exception $e) {
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echo "<pre class='error'>✗ Error: " . htmlspecialchars($e->getMessage()) . "</pre>";
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}
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?>
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</div>
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<div class="section">
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<h2>7. Next Steps</h2>
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<?php if (!file_exists(__DIR__ . '/vendor')): ?>
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<pre class="error">ACTION REQUIRED: Run 'composer install' on the server</pre>
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<?php endif; ?>
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<?php if (!file_exists(__DIR__ . '/config.php')): ?>
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<pre class="error">ACTION REQUIRED: Copy config.example.php to config.php and add API key</pre>
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<?php endif; ?>
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<?php if (file_exists(__DIR__ . '/vendor') && file_exists(__DIR__ . '/config.php')): ?>
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<pre class="success">✓ All critical files present - check error logs for specific PHP error</pre>
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<?php endif; ?>
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</div>
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<h2>Deployment Checklist:</h2>
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<pre>
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1. git pull origin master
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2. composer install
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3. cp config.example.php config.php
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4. Edit config.php (add Gemini API key)
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5. cp .env.example .env
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6. mkdir -p uploads/sessions
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7. chmod 755 uploads/sessions
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8. Visit index.php
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</pre>
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</body>
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</html>
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