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Login \ Logged-out detecting

Our systems are hosted on our servers and implemented in your content site.

The developer should add a script to the content site, looking for the cookie to determine the login/logout status of the user.

so how can we detect user Login?
The trading platform automatically set 2 cookies in the user browser when he logs in to our systems (regardless if he did a login the the trading platform itself or thru a widget in the content site)

these 2 cookies are named:

username
userID

username will contains the user-name that is set in the trading platform system for that user, userID contains a unique number which is the user-id in the trading platform system.

by checking for the existence of these 2 cookies we can know if the user is logged in or logged out and according to that display different relevant content in the content site.
E.G if we know a user is logged in, instead of the “log-in” button in the content site we can display the user name with a welcome back message and a relevant menu for logged in user with useful links such as link to the user-account-setting in the trading platform .

here is an example for a server side (PHP) check for a user login in a wordpress content site:

// check if user already logged in to platform
function set_platform_login(){
    if(defined('TS_LOGIN')) {
        return;
    }
       
    if( isset($_COOKIE['userID'], $_COOKIE['username']) ){
        define('TS_LOGIN', true);
       // echo('<h1>test loged in</h1>');
       
    } else {
        define('TS_LOGIN', false);
    }
}

if you are using wordpress you can implement this code in your theme functions.php file and later call it with:

add_action('set_login', 'set_platform_login');
do_action('set_login');


you can also get the username from the cookie and use it later like so:

function set_platform_username($logged_in){
    if(defined('TS_USER')) {
        return;
    }    
    if($logged_in){
        define('TS_USER', html_entity_decode($_COOKIE['username']) );
    } else {
        define('TS_USER', '');
    }
}
set_platform_username(TS_LOGIN);

after a user is logged in you can generate a relevant menu for logged in users.


Another option you have is to do the Login \ logged out check on the client side,
using javascript or jquery you can check for the for the 2 cookies :


    function genMenu() {
        var theme = 'yourtheme';
        var _user = getCookie('username');
        var _id = getCookie('userID');
           
         

        if (_user != undefined && _id != undefined) {  

        // Do all relevant code for logged in users here, E.G generate a logged-in menu,
        // display or hide html elements \ call other functions....

        }
        else {
        // Do all relevant code for logged-out users here  
           
        }
    } 

To Logout - simple use the following link - https://bpw.yoursite.com/index/sign-out?redirectUrl=https://www.yoursite.com/