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PHP

How to Create a Simple Login Authentication System in LARAVEL?Part-2

July 4, 2020 comments off

How to Create a Simple Login Authentication System in LARAVEL?

Firstly, Visit this Blog Part-1.

Step 15. Now add these classes within MainController file.

use Validator;
use Auth;

Step 16. Create a function checklogin to receive login form request within the MainController file.

function checklogin(Request $request)
    {
     $this->validate($request, [
      'email'   => 'required|email',
      'password'  => 'required|alphaNum|min:3'
     ]);

     $user_data = array(
      'email'  => $request->get('email'),
      'password' => $request->get('password')
     );

     if(Auth::attempt($user_data))
     {
      return redirect('main/successlogin');
     }
     else
     {
      return back()->with('error', 'Wrong Login Details');
     }

    }

Step 17. Write down the following code within the login form file for validation error:


   @if (count($errors) > 0)
    <div class="alert alert-danger">
     <ul>
     @foreach($errors->all() as $error)
      <li>{{ $error }}</li>
     @endforeach
     </ul>
    </div>
   @endif

Step 18. Write down the following code to display an error message within login form file:

@if ($message = Session::get('error'))
   <div class="alert alert-danger alert-block">
    <button type="button" class="close" data-dismiss="alert">×</button>
    <strong>{{ $message }}</strong>
   </div>
   @endif

Step 19. Now, Create a function checklogin to within the MainController file.

function successlogin()
    {
     return view('successlogin');
    }

Step 20. Create a successlogin form file within resources/views

<!DOCTYPE html>
<html>
<head>
<title>Simple Login System in Laravel</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style type="text/css">
.box{
width:600px;
margin:0 auto;
border:1px solid #ccc;
}
</style>
</head>
<body>
<br />
<div class="container box">
<h3 align="center">Simple Login System in Laravel</h3><br />
@if(isset(Auth::user()->email))
<div class="alert alert-danger success-block">
<strong>Welcome {{ Auth::user()->email }}</strong>
<br />
<a href="{{ url('/main/logout') }}">Logout</a>
</div>
@else
<script>window.location = "/main";</script>
@endif
<br />
</div>
</body>
</html>
view raw successlogin.blade.php hosted with ❤ by GitHub

Step 21. Create a function logout to within the MainController file.

 function logout()
    {
     Auth::logout();
     return redirect('main');
    }
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use Validator;
use Auth;
class MainController extends Controller
{
/**
* Display a listing of the resource.
*
* @return \Illuminate\Http\Response
*/
public function index()
{
return view('login');
}
function checklogin(Request $request)
{
$this->validate($request, [
'email' => 'required|email',
'password' => 'required|alphaNum|min:3'
]);
$user_data = array(
'email' => $request->get('email'),
'password' => $request->get('password')
);
if(Auth::attempt($user_data))
{
return redirect('main/successlogin');
}
else
{
return back()->with('error', 'Wrong Login Details');
}
}
function successlogin()
{
return view('successlogin');
}
function logout()
{
Auth::logout();
return redirect('main');
}
}
view raw MainController.php hosted with ❤ by GitHub

Step 22. Go to web.php file and we have to set route of all requests.

Route::get('/main', 'MainController@index');
Route::post('/main/checklogin', 'MainController@checklogin');
Route::get('main/successlogin', 'MainController@successlogin');
Route::get('main/logout', 'MainController@logout');

Step 23. Write down the following statement code within the login form.

 @if(isset(Auth::user()->email))
    <script>window.location="/main/successlogin";</script>
   @endif
<!DOCTYPE html>
<html>
<head>
<title>Simple Login System in Laravel</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style type="text/css">
.box{
width:600px;
margin:0 auto;
border:1px solid #ccc;
}
</style>
</head>
<body>
<br />
<div class="container box">
<h3 align="center">Simple Login System in Laravel</h3><br />
@if(isset(Auth::user()->email))
<script>window.location="/main/successlogin";</script>
@endif
@if ($message = Session::get('error'))
<div class="alert alert-danger alert-block">
<button type="button" class="close" data-dismiss="alert">×</button>
<strong>{{ $message }}</strong>
</div>
@endif
@if (count($errors) > 0)
<div class="alert alert-danger">
<ul>
@foreach($errors->all() as $error)
<li>{{ $error }}</li>
@endforeach
</ul>
</div>
@endif
<form method="post" action="{{ url('/main/checklogin') }}">
{{ csrf_field() }}
<div class="form-group">
<label>Enter Email</label>
<input type="email" name="email" class="form-control" />
</div>
<div class="form-group">
<label>Enter Password</label>
<input type="password" name="password" class="form-control" />
</div>
<div class="form-group">
<input type="submit" name="login" class="btn btn-primary" value="Login" />
</div>
</form>
</div>
</body>
</html>
view raw login.blade.php hosted with ❤ by GitHub

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