Laravel 5.6 Prevent Block Multiple Login Of Same Credentials

Today, We want to share with you Laravel 5.6 Prevent Block Multiple Login Of Same Credentials.In this post we will show you Laravel prevent multiple logins from same user, hear for how to prevent multiple login for same user in Laravel we will give you demo and example for implement.In this post, we will learn about Laravel 5.6 – Prevent Block Multiple Login Of Same Credentials with an example.

Laravel 5.6 Prevent Block Multiple Login Of Same Credentials

There are the Following The simple About Laravel 5.6 Prevent Block Multiple Login Of Same Credentials Full Information With Example and source code.

As I will cover this Post with live Working example to develop how to prevent multiple login for same user in Laravel, so the prevent multiple logins in Laravel website for this example is following below.

Step 1: Laravel Migration

Update and Add some fields in Members Table Migration:

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateMembersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('members', function (Blueprint $table) {
            $table->increments('id');
            $table->string('name');
            $table->string('email')->unique();
            $table->string('password');
            $table->string('session_id');
            $table->rememberToken();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('members');
    }
}	

//Laravel migration using following command
php artisan migrate	

//Create Laravel Auth:
php artisan make:auth	

Change in SigninController.php File:

app/Http/Controllers/Auth/SigninController.php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesMembers;
use Illuminate\Http\Request;
use App\Http\Requests;
use App\User;
use DB;

class SigninController extends Controller
{

    use AuthenticatesMembers;

    /**
     * Where to redirect members after login.
     *
     * @var string
     */
    protected $redirectTo = '/home';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    public function login(Request $request)
    {
        $this->validate($request, [
            'email' => 'required',
            'password' => 'required',
        ]);

        $member = \DB::table('members')->where('email', $request->input('email'))->first();

        if (auth()->guard('web')->attempt(['email' => $request->input('email'), 'password' => $request->input('password')])) {

            $new_sessid   = \Session::getId(); //get new session_id after member sign in

            if($member->session_id != '') {
                $last_session = \Session::getHandler()->read($member->session_id); 

                if ($last_session) {
                    if (\Session::getHandler()->destroy($member->session_id)) {
                        
                    }
                }
            }

            \DB::table('members')->where('id', $member->id)->update(['session_id' => $new_sessid]);
            
            $member = auth()->guard('web')->member();
            
            return redirect($this->redirectTo);
        }   
        \Session::put('login_error', 'Sorry, Your email and password wrong!!');
        return back();

    }

    public function logout(Request $request)
    {
        \Session::flush();
        \Session::put('success','Good Lcuk, you are logout Successfully');
        return redirect()->to('/login');
    }
}

Include in app.blade.php File:

resources/views/layouts/app.blade.php

<script src="https://www.gstatic.com/firebasejs/4.9.1/firebase.js"></script>
<script type="text/javascript">
var session_id = "{!! (Session::getId())?Session::getId():'' !!}";
var member_id = "{!! (Auth::member())?Auth::member()->id:'' !!}";

// Initialize Firebase
var config = {
    apiKey: "firebase.api_key",
    authDomain: "firebase.auth_domain",
    databaseURL: "firebase.database_url",
    storageBucket: "firebase.storage_bucket",
};
firebase.initializeApp(config);

var database = firebase.database();

if({!! Auth::member() !!}) {
    firebase.database().ref('/members/' + member_id + '/session_id').set(session_id);
}

firebase.database().ref('/members/' + member_id).on('value', function(myssval) {
    var v = myssval.val();

    if(v.session_id != session_id) {
        toastr.warning('Your Member account login from another device!!', 'Warning Alert', {timeOut: 3000});
        setTimeout(function() {
           window.location = '/login';
        }, 4000);
    } 
});
</script>

Run Your Project

php artisan serve
http://localhost:8000/login

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