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Symfony 5 Security: Authenticators

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Custom Voter
42 lines | src/Security/Voter/QuestionVoter.php
// ... lines 1 - 8
use Symfony\Component\Security\Core\User\UserInterface;
class QuestionVoter extends Voter
{
// ... lines 13 - 19
protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token): bool
{
/** @var User $user */
$user = $token->getUser();
// if the user is anonymous, do not grant access
if (!$user instanceof UserInterface) {
return false;
}
// ... lines 28 - 39
}
}
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Code

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Symfony 5 Security: Authenticators

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Custom Voter
42 lines | src/Security/Voter/QuestionVoter.php
// ... lines 1 - 4
use App\Entity\Question;
// ... lines 6 - 10
class QuestionVoter extends Voter
{
// ... lines 13 - 19
protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token): bool
{
/** @var User $user */
$user = $token->getUser();
// if the user is anonymous, do not grant access
if (!$user instanceof UserInterface) {
return false;
}
if (!$subject instanceof Question) {
throw new \Exception('Wrong type somehow passed');
}
// ... lines 32 - 39
}
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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Custom Voter
42 lines | src/Security/Voter/QuestionVoter.php
// ... lines 1 - 10
class QuestionVoter extends Voter
{
// ... lines 13 - 19
protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token): bool
{
/** @var User $user */
$user = $token->getUser();
// if the user is anonymous, do not grant access
if (!$user instanceof UserInterface) {
return false;
}
if (!$subject instanceof Question) {
throw new \Exception('Wrong type somehow passed');
}
// ... (check conditions and return true to grant permission) ...
switch ($attribute) {
case 'EDIT':
return $user === $subject->getOwner();
}
return false;
}
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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Custom Voter
54 lines | src/Security/Voter/QuestionVoter.php
// ... lines 1 - 8
use Symfony\Component\Security\Core\Security;
// ... lines 10 - 11
class QuestionVoter extends Voter
{
private Security $security;
public function __construct(Security $security)
{
$this->security = $security;
}
// ... lines 20 - 52
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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Custom Voter
54 lines | src/Security/Voter/QuestionVoter.php
// ... lines 1 - 8
use Symfony\Component\Security\Core\Security;
// ... lines 10 - 11
class QuestionVoter extends Voter
{
// ... lines 14 - 27
protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token): bool
{
// ... lines 30 - 40
if ($this->security->isGranted('ROLE_ADMIN')) {
return true;
}
// ... (check conditions and return true to grant permission) ...
switch ($attribute) {
// ... lines 47 - 48
}
// ... lines 50 - 51
}
}
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Code

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Symfony 5 Security: Authenticators

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The Special IS_AUTHENTICATED_ Strings
83 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 26
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 29 - 39
public function authenticate(Request $request): PassportInterface
{
// ... lines 42 - 44
return new Passport(
// ... lines 46 - 56
[
// ... lines 58 - 61
(new RememberMeBadge())->enable(),
]
);
}
// ... lines 66 - 81
}
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Code

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Symfony 5 Security: Authenticators

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More form_login Config
39 lines | templates/security/login.html.twig
// ... lines 1 - 4
{% block body %}
<div class="container">
<div class="row">
<div class="login-form bg-light mt-4 p-4">
<form method="post" class="row g-3">
// ... lines 10 - 15
<div class="col-12">
// ... line 17
<input type="email" name="email" id="inputEmail" class="form-control" value="{{ last_username }}" required autofocus>
</div>
// ... lines 20 - 33
</form>
</div>
</div>
</div>
{% endblock %}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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form_login: The Built-in Authenticator
39 lines | templates/security/login.html.twig
// ... lines 1 - 4
{% block body %}
<div class="container">
<div class="row">
<div class="login-form bg-light mt-4 p-4">
<form method="post" class="row g-3">
// ... lines 10 - 15
<div class="col-12">
// ... line 17
<input type="email" name="email" id="inputEmail" class="form-control" required autofocus>
</div>
<div class="col-12">
// ... line 21
<input type="password" name="password" id="inputPassword" class="form-control" required>
</div>
// ... lines 24 - 34
</div>
</div>
</div>
{% endblock %}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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AbstractLoginFormAuthenticator & Redirecting to Previous URL
97 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 15
use Symfony\Component\Security\Http\Authenticator\AbstractLoginFormAuthenticator;
// ... lines 17 - 25
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 28 - 95
}
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Code

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Symfony 5 Security: Authenticators

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AbstractLoginFormAuthenticator & Redirecting to Previous URL
97 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 23
use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 28 - 95
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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AbstractLoginFormAuthenticator & Redirecting to Previous URL
97 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 25
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 28 - 91
protected function getLoginUrl(Request $request): string
{
return $this->router->generate('app_login');
}
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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AbstractLoginFormAuthenticator & Redirecting to Previous URL
97 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 25
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 28 - 36
public function supports(Request $request): ?bool
{
return ($request->getPathInfo() === '/login' && $request->isMethod('POST'));
}
// ... lines 41 - 75
public function onAuthenticationFailure(Request $request, AuthenticationException $exception): ?Response
{
$request->getSession()->set(Security::AUTHENTICATION_ERROR, $exception);
return new RedirectResponse(
$this->router->generate('app_login')
);
}
public function start(Request $request, AuthenticationException $authException = null): Response
{
return new RedirectResponse(
$this->router->generate('app_login')
);
}
// ... lines 91 - 95
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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AbstractLoginFormAuthenticator & Redirecting to Previous URL
76 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 25
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
private UserRepository $userRepository;
private RouterInterface $router;
public function __construct(UserRepository $userRepository, RouterInterface $router)
{
// ... lines 33 - 34
}
public function authenticate(Request $request): PassportInterface
{
// ... lines 39 - 61
}
public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): ?Response
{
// ... lines 66 - 68
}
protected function getLoginUrl(Request $request): string
{
// ... line 73
}
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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AbstractLoginFormAuthenticator & Redirecting to Previous URL
76 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 25
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 28 - 63
public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): ?Response
{
return new RedirectResponse(
$this->router->generate('app_homepage')
);
}
// ... lines 70 - 74
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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AbstractLoginFormAuthenticator & Redirecting to Previous URL
83 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 24
use Symfony\Component\Security\Http\Util\TargetPathTrait;
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
use TargetPathTrait;
// ... lines 30 - 81
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

 >

AbstractLoginFormAuthenticator & Redirecting to Previous URL
83 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 26
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 29 - 66
public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): ?Response
{
if ($target = $this->getTargetPath($request->getSession(), $firewallName)) {
// ... line 70
}
return new RedirectResponse(
$this->router->generate('app_homepage')
);
}
// ... lines 77 - 81
}
See Code Block in Script
Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

 >

AbstractLoginFormAuthenticator & Redirecting to Previous URL
83 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 26
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
// ... lines 29 - 66
public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): ?Response
{
if ($target = $this->getTargetPath($request->getSession(), $firewallName)) {
return new RedirectResponse($target);
}
return new RedirectResponse(
$this->router->generate('app_homepage')
);
}
// ... lines 77 - 81
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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Always Remember Me & "signature_properties"
94 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 23
class LoginFormAuthenticator extends AbstractAuthenticator
{
// ... lines 26 - 39
public function authenticate(Request $request): PassportInterface
{
// ... lines 42 - 44
return new Passport(
// ... lines 46 - 55
new PasswordCredentials($password),
[
// ... lines 58 - 61
new RememberMeBadge(),
]
);
}
// ... lines 66 - 92
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

 >

Always Remember Me & "signature_properties"
94 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 23
class LoginFormAuthenticator extends AbstractAuthenticator
{
// ... lines 26 - 39
public function authenticate(Request $request): PassportInterface
{
// ... lines 42 - 44
return new Passport(
// ... lines 46 - 55
new PasswordCredentials($password),
[
// ... lines 58 - 61
(new RememberMeBadge())->enable(),
]
);
}
// ... lines 66 - 92
}
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Code

Learn Symfony 5

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Symfony 5 Security: Authenticators

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Hashing Plain Passwords & PasswordCredentials
85 lines | src/Security/LoginFormAuthenticator.php
// ... lines 1 - 17
use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\PasswordCredentials;
// ... lines 19 - 21
class LoginFormAuthenticator extends AbstractAuthenticator
{
// ... lines 24 - 37
public function authenticate(Request $request): PassportInterface
{
// ... lines 40 - 42
return new Passport(
// ... lines 44 - 53
new PasswordCredentials($password)
);
}
// ... lines 57 - 83
}
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