Zploit 0-Day Shell

:: Editing File: vcard_service_delete.php

<?php
ob_start();
include 'header.php';

/* ===============================
   PATH CONFIG
   =============================== */
define(
    'VCARD_UPLOAD_PATH',
    $_SERVER['DOCUMENT_ROOT'] . '/kreativecrm/uploads/vcard/'
);

/* ===============================
   VALIDATE ID
   =============================== */
if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
    header("Location: vcard_service_list.php?msg=Invalid Service ID");
    exit;
}

$id = intval($_GET['id']);

/* ===============================
   FETCH SERVICE
   =============================== */
$q = mysqli_query(
    $conn,
    "SELECT id, vcard_id, icon 
     FROM vcard_services 
     WHERE id = '$id'"
);

if (!$q || mysqli_num_rows($q) === 0) {
    header("Location: vcard_service_list.php?msg=Service Not Found");
    exit;
}

$row = mysqli_fetch_assoc($q);

/* ===============================
   FETCH VCARD SLUG
   =============================== */
$vcard_q = mysqli_query(
    $conn,
    "SELECT card_slug FROM vcards WHERE id = '{$row['vcard_id']}'"
);

if (!$vcard_q || mysqli_num_rows($vcard_q) === 0) {
    header("Location: vcard_service_list.php?msg=VCard Not Found");
    exit;
}

$vcard = mysqli_fetch_assoc($vcard_q);
$slug  = $vcard['card_slug'];

/* ===============================
   SERVICE DIRECTORY
   =============================== */
$service_dir = VCARD_UPLOAD_PATH . $slug . '/services/';

/* ===============================
   DELETE ICON FILE
   =============================== */
if (!empty($row['icon'])) {
    $icon_path = $service_dir . $row['icon'];
    if (file_exists($icon_path)) {
        unlink($icon_path);
    }
}

/* ===============================
   DELETE DB RECORD
   =============================== */
mysqli_query($conn, "DELETE FROM vcard_services WHERE id = '$id'");

/* ===============================
   REMOVE EMPTY SERVICES FOLDER
   =============================== */
if (is_dir($service_dir)) {
    $files = glob($service_dir . '*');
    if (!$files) {
        rmdir($service_dir);
    }
}

/* ===============================
   REDIRECT
   =============================== */
header("Location: vcard_service_list.php?msg=Service deleted successfully");
exit;
?>