Files
camera-gallery/src/includes/shell_exec.php

47 lines
1.2 KiB
PHP

<?php
// includes/shell_exec.php — Executes shell commands securely (admin only)
require_once __DIR__ . '/config.php';
session_start();
header('Content-Type: application/json');
if (empty($_SESSION['is_admin'])) {
http_response_code(403);
echo json_encode(['error' => 'Not authorized']);
exit;
}
$cmd = trim($_POST['command'] ?? '');
if ($cmd === '') {
echo json_encode(['output' => '']);
exit;
}
// Restrict dangerous commands for safety
$blacklist = $CONFIG['blacklist_commands'];
foreach ($blacklist as $bad) {
if (stripos($cmd, $bad) !== false) {
echo json_encode(['output' => "⚠️ Command '$bad' not allowed"]);
exit;
}
}
// Execute safely (captures both stdout and stderr)
$descriptor = [
1 => ['pipe', 'w'],
2 => ['pipe', 'w']
];
$process = proc_open($cmd, $descriptor, $pipes, $CONFIG['default_dir']);
if (is_resource($process)) {
$output = stream_get_contents($pipes[1]);
$error = stream_get_contents($pipes[2]);
fclose($pipes[1]);
fclose($pipes[2]);
$status = proc_close($process);
echo json_encode([
'output' => trim($output . "\n" . $error),
'status' => $status
]);
} else {
echo json_encode(['output' => 'Failed to execute command']);
}