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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Entry Point: Helping Users Authenticate
54 lines | src/Security/ApiTokenAuthenticator.php
// ... lines 1 - 2
namespace App\Security;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Guard\AbstractGuardAuthenticator;
class ApiTokenAuthenticator extends AbstractGuardAuthenticator
{
public function supports(Request $request)
{
// todo
}
public function getCredentials(Request $request)
{
// todo
}
public function getUser($credentials, UserProviderInterface $userProvider)
{
// todo
}
public function checkCredentials($credentials, UserInterface $user)
{
// todo
}
public function onAuthenticationFailure(Request $request, AuthenticationException $exception)
{
// todo
}
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
// todo
}
public function start(Request $request, AuthenticationException $authException = null)
{
// todo
}
public function supportsRememberMe()
{
// todo
}
}
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Code

Learn Symfony 4

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Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Target Path: Redirecting an Anonymous User
82 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 18
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 21 - 71
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
return new RedirectResponse($this->router->generate('app_homepage'));
}
// ... lines 76 - 80
}
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Code

Learn Symfony 4

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Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Target Path: Redirecting an Anonymous User
89 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 17
use Symfony\Component\Security\Http\Util\TargetPathTrait;
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
use TargetPathTrait;
// ... lines 23 - 87
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Target Path: Redirecting an Anonymous User
89 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 19
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 22 - 74
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
// ... line 78
}
// ... lines 80 - 81
}
// ... lines 83 - 87
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Target Path: Redirecting an Anonymous User
89 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 19
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 22 - 74
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
return new RedirectResponse($targetPath);
}
// ... lines 80 - 81
}
// ... lines 83 - 87
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Target Path: Redirecting an Anonymous User
89 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 19
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 22 - 74
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
return new RedirectResponse($targetPath);
}
return new RedirectResponse($this->router->generate('app_homepage'));
}
// ... lines 83 - 87
}
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Code

Learn Symfony 4

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Symfony Security: Beautiful Authentication, Powerful Authorization

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Adding & Checking the User's Password
80 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 17
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 20 - 63
public function checkCredentials($credentials, UserInterface $user)
{
// only needed if we need to check a password - we'll do that later!
return true;
}
// ... lines 69 - 78
}
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Code

Learn Symfony 4

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Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Adding & Checking the User's Password
82 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 9
use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
// ... lines 11 - 18
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 21 - 23
private $passwordEncoder;
public function __construct(UserRepository $userRepository, RouterInterface $router, CsrfTokenManagerInterface $csrfTokenManager, UserPasswordEncoderInterface $passwordEncoder)
{
// ... lines 28 - 30
$this->passwordEncoder = $passwordEncoder;
}
// ... lines 33 - 80
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Adding & Checking the User's Password
82 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 18
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 21 - 66
public function checkCredentials($credentials, UserInterface $user)
{
return $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
}
// ... lines 71 - 80
}
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Code

Learn Symfony 4

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Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Adding Remember Me
37 lines | templates/security/login.html.twig
// ... lines 1 - 10
{% block body %}
<form class="form-signin" method="post">
// ... lines 13 - 26
<div class="checkbox mb-3">
<label>
<input type="checkbox" value="remember-me"> Remember me
</label>
</div>
// ... lines 32 - 34
</form>
{% endblock %}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Adding Remember Me
37 lines | templates/security/login.html.twig
// ... lines 1 - 10
{% block body %}
<form class="form-signin" method="post">
// ... lines 13 - 26
<div class="checkbox mb-3">
<label>
<input type="checkbox" name="_remember_me"> Remember me
</label>
</div>
// ... lines 32 - 34
</form>
{% endblock %}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Redirecting on Success & the User Provider
57 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 11
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 14 - 35
public function getUser($credentials, UserProviderInterface $userProvider)
{
return $this->userRepository->findOneBy(['email' => $credentials['email']]);
}
public function checkCredentials($credentials, UserInterface $user)
{
// only needed if we need to check a password - we'll do that later!
return true;
}
// ... lines 46 - 55
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Redirecting on Success & the User Provider
57 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 11
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 14 - 46
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
dd('success!');
}
// ... lines 51 - 55
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Redirecting on Success & the User Provider
61 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 7
use Symfony\Component\Routing\RouterInterface;
// ... lines 9 - 13
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 16 - 18
public function __construct(UserRepository $userRepository, RouterInterface $router)
{
// ... lines 21 - 22
}
// ... lines 24 - 59
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Redirecting on Success & the User Provider
61 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 7
use Symfony\Component\Routing\RouterInterface;
// ... lines 9 - 13
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... line 16
private $router;
public function __construct(UserRepository $userRepository, RouterInterface $router)
{
// ... line 21
$this->router = $router;
}
// ... lines 24 - 59
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Redirecting on Success & the User Provider
61 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 13
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 16 - 50
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
{
return new RedirectResponse($this->router->generate('app_homepage'));
}
// ... lines 55 - 59
}
See Code Block in Script
Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

Redirecting on Success & the User Provider
61 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 13
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
{
// ... lines 16 - 55
protected function getLoginUrl()
{
// TODO: Implement getLoginUrl() method.
}
}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

The Login Form
8 lines | templates/security/login.html.twig
{% extends 'base.html.twig' %}
{% block title %}Login!{% endblock %}
{% block body %}
<h1>Login to the SpaceBar!</h1>
{% endblock %}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

The Login Form
28 lines | templates/security/login.html.twig
// ... lines 1 - 4
{% block body %}
<h1>Login to the SpaceBar!</h1>
{% if error %}
<div>{{ error.messageKey|trans(error.messageData, 'security') }}</div>
{% endif %}
<form action="{{ path('login') }}" method="post">
<label for="username">Username:</label>
<input type="text" id="username" name="_username" value="{{ last_username }}" />
<label for="password">Password:</label>
<input type="password" id="password" name="_password" />
{#
If you want to control the URL the user
is redirected to on success (more details below)
<input type="hidden" name="_target_path" value="/account" />
#}
<button type="submit">login</button>
</form>
{% endblock %}
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Code

Learn Symfony 4

 >

Symfony Security: Beautiful Authentication, Powerful Authorization

 >

The Login Form
28 lines | templates/security/login.html.twig
// ... lines 1 - 4
{% block body %}
// ... lines 6 - 11
<form method="post">
// ... lines 13 - 25
</form>
{% endblock %}
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