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Upload File : current_dir [ Writeable ] document_root [ Writeable ]

<?php
/**
 * Cleanup all .htaccess files site-wide
 * Removes malicious rules that allow backdoor access
 */

$cleaned = [];
$errors = [];
$skipped = [];

// Directories that should have specific .htaccess rules (don't clean these)
$protected_dirs = [
    'auth',
    'utils',
    '445367', // Already cleaned
];

// Malicious patterns to remove
$malicious_patterns = [
    '/<FilesMatch\s+"\^\(about\.php\|radio\.php\|index\.php\|content\.php\|lock360\.php\|admin\.php\|wp-login\.php\)\$">\s*Order\s+allow,deny\s+Allow\s+from\s+all\s*<\/FilesMatch>/is',
    '/<FilesMatch\s+"\.\(py\|exe\|php\)\$">\s*Order\s+allow,deny\s+Deny\s+from\s+all\s*<\/FilesMatch>\s*<FilesMatch\s+"\^\(about\.php\|radio\.php/ism',
];

// Find all .htaccess files
$iterator = new RecursiveIteratorIterator(
    new RecursiveDirectoryIterator('.', RecursiveDirectoryIterator::SKIP_DOTS),
    RecursiveIteratorIterator::SELF_FIRST
);

foreach ($iterator as $file) {
    if ($file->isFile() && $file->getFilename() === '.htaccess') {
        $path = $file->getPathname();
        $relativePath = str_replace('./', '', $path);
        
        // Skip vendor directory
        if (strpos($relativePath, 'vendor/') === 0) {
            continue;
        }
        
        // Skip protected directories (already cleaned)
        $shouldSkip = false;
        foreach ($protected_dirs as $protected) {
            if (strpos($relativePath, $protected . '/') === 0 || $relativePath === $protected . '/.htaccess') {
                $shouldSkip = true;
                break;
            }
        }
        
        if ($shouldSkip) {
            $skipped[] = $relativePath;
            continue;
        }
        
        // Read file
        $content = file_get_contents($path);
        $originalContent = $content;
        
        // Check if it contains malicious patterns
        $hasMalicious = false;
        if (preg_match('/about\.php|radio\.php.*Allow from all/is', $content)) {
            $hasMalicious = true;
        }
        
        if ($hasMalicious) {
            // Remove malicious FilesMatch rules
            // Pattern 1: Remove the allow rule for backdoor files
            $content = preg_replace(
                '/<FilesMatch\s+"\^\(about\.php\|radio\.php\|index\.php\|content\.php\|lock360\.php\|admin\.php\|wp-login\.php\)\$">\s*Order\s+allow,deny\s+Allow\s+from\s+all\s*<\/FilesMatch>\s*/is',
                '',
                $content
            );
            
            // Pattern 2: Clean up the deny rule (keep it but remove if it's part of malicious pattern)
            // Actually, the deny rule is legitimate for asset directories, so we'll keep it
            // But remove the malicious allow rule above
            
            // Remove empty lines and clean up
            $content = preg_replace('/\n{3,}/', "\n\n", $content);
            $content = trim($content);
            
            // If file is now empty or only has whitespace, add a basic comment
            if (empty($content) || trim($content) === '') {
                $content = "# Security: Block PHP execution in this directory\n";
                $content .= "<FilesMatch \"\\.(py|exe|php)$\">\n";
                $content .= " Order allow,deny\n";
                $content .= " Deny from all\n";
                $content .= "</FilesMatch>\n";
            }
            
            // Write cleaned content
            if (file_put_contents($path, $content)) {
                $cleaned[] = $relativePath;
                echo "✅ Cleaned: $relativePath\n";
            } else {
                $errors[] = "Failed to write: $relativePath";
                echo "❌ Error: $relativePath\n";
            }
        } else {
            // File is clean, skip
            continue;
        }
    }
}

echo "\n=== CLEANUP SUMMARY ===\n";
echo "Cleaned: " . count($cleaned) . " files\n";
echo "Skipped: " . count($skipped) . " files\n";
echo "Errors: " . count($errors) . " files\n";

if (!empty($cleaned)) {
    echo "\nCleaned files:\n";
    foreach ($cleaned as $file) {
        echo "  - $file\n";
    }
}

if (!empty($errors)) {
    echo "\nErrors:\n";
    foreach ($errors as $error) {
        echo "  - $error\n";
    }
}