Connector Open-Source Code

ui/instances.php

<?php
// /opt/nuxvision_connector/ui/instance_list.php
declare(strict_types=1);

require_once __DIR__ . '/common.php';

function sudo_systemctl(string $cmd, string $unit): array {
    $cmd = trim($cmd);
    if (!in_array($cmd, ['start','stop','restart','is-active'], true)) {
        return [false, 1, 'bad_command'];
    }
    if (!preg_match('/^nuxvision-connector-sync@\d+\.service$/', $unit)) {
        return [false, 1, 'bad_unit'];
    }

    $full = 'sudo -n /bin/systemctl ' . escapeshellarg($cmd) . ' ' . escapeshellarg($unit) . ' 2>&1';
    $out = [];
    $rc = 0;
    exec($full, $out, $rc);
    return [$rc === 0, $rc, trim(implode("\n", $out))];
}

// Keep POST compatibility (start/stop/switch), then redirect to index dashboard
if (($_SERVER['REQUEST_METHOD'] ?? '') === 'POST') {
    $do = (string)($_POST['do'] ?? '');
    $id = to_int($_POST['instance_id'] ?? 0, 0);

    if ($id > 0 && in_array($do, ['start','stop','switch'], true)) {

        if ($do === 'switch') {
            nv_set_instance_in_session($id);
            header('Location: ./nuxvision.php?instance_id=' . urlencode((string)$id));
            exit;
        }

        $unit = 'nuxvision-connector-sync@' . $id . '.service';
        [$ok, , $out] = sudo_systemctl($do, $unit);

        $_SESSION['inst_toast'] = $ok
            ? ['type'=>'success', 'msg'=> strtoupper($do) . " OK for instance #{$id}"]
            : ['type'=>'danger', 'msg'=> strtoupper($do) . " failed for instance #{$id}: " . ($out ?: 'error')];

        header('Location: ./index.php');
        exit;
    }
}

// GET: redirect to dashboard
header('Location: ./index.php');
exit;