Error! The URL value is empty. Please specify a correct URL value to redirect to!"; exit; } if (!headers_sent()){ header('Location: ' . $url); } else{ echo ''; } if($exit == '1'){ exit; } } static function get_logout_url_with_after_logout_url_value($after_logout_url) { return AIOWPSEC_WP_URL.'?aiowpsec_do_log_out=1&after_logout='.$after_logout_url; } /* * Checks if a particular username exists in the WP Users table */ static function check_user_exists($username) { global $wpdb; //if username is empty just return false if ( $username == '' ) { return false; } //If multisite if (AIOWPSecurity_Utility::is_multisite_install()){ $blog_id = get_current_blog_id(); $admin_users = get_users('blog_id='.$blog_id.'orderby=login&role=administrator'); $acct_name_exists = false; foreach ($admin_users as $user) { if ($user->user_login == $username){ $acct_name_exists = true; break; } } return $acct_name_exists; } //check users table $user = $wpdb->get_var( "SELECT user_login FROM `" . $wpdb->users . "` WHERE user_login='" . sanitize_text_field( $username ) . "';" ); $userid = $wpdb->get_var( "SELECT ID FROM `" . $wpdb->users . "` WHERE ID='" . sanitize_text_field( $username ) . "';" ); if ( $user == $username || $userid == $username ) { return true; } else { return false; } } /* * This function will return a list of user accounts which have login and nick names which are identical */ static function check_identical_login_and_nick_names() { global $wpdb; $accounts_found = $wpdb->get_results( "SELECT ID,user_login FROM `" . $wpdb->users . "` WHERE user_login<=>display_name;", ARRAY_A); return $accounts_found; } static function add_query_data_to_url($url, $name, $value) { if (strpos($url, '?') === false) { $url .= '?'; } else { $url .= '&'; } $url .= $name . '='. $value; return $url; } /* * Generates a random alpha-numeric number */ static function generate_alpha_numeric_random_string($string_length) { //Charecters present in table prefix $allowed_chars = 'abcdefghijklmnopqrstuvwxyz0123456789'; $string = ''; //Generate random string for ($i = 0; $i < $string_length; $i++) { $string .= $allowed_chars[rand(0, strlen($allowed_chars) - 1)]; } return $string; } static function set_cookie_value($cookie_name, $cookie_value, $expiry_seconds = 86400, $path = '/', $cookie_domain = '') { $expiry_time = time() + intval($expiry_seconds); if(empty($cookie_domain)){ $cookie_domain = COOKIE_DOMAIN; } setcookie($cookie_name, $cookie_value, $expiry_time, $path, $cookie_domain); } static function get_cookie_value($cookie_name) { if(isset($_COOKIE[$cookie_name])){ return $_COOKIE[$cookie_name]; } return ""; } static function is_multisite_install() { if (function_exists('is_multisite') && is_multisite()){ return true; }else{ return false; } } //This is a general yellow box message for when we want to suppress a feature's config items because site is subsite of multi-site static function display_multisite_message() { echo '
'; echo '

'.__('The plugin has detected that you are using a Multi-Site WordPress installation.', 'aiowpsecurity').'

'.__('This feature can only be configured by the "superadmin" on the main site.', 'aiowpsecurity').'

'; echo '
'; } }