/usr/share/php/Symfony/Component/Security/Core/Authentication/Provider/UserAuthenticationProvider.php is in php-symfony-security-core 3.4.6+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | <?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Core\Authentication\Provider;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserCheckerInterface;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Core\Exception\BadCredentialsException;
use Symfony\Component\Security\Core\Exception\AuthenticationServiceException;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Role\SwitchUserRole;
/**
* UserProviderInterface retrieves users for UsernamePasswordToken tokens.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class UserAuthenticationProvider implements AuthenticationProviderInterface
{
private $hideUserNotFoundExceptions;
private $userChecker;
private $providerKey;
/**
* @param UserCheckerInterface $userChecker An UserCheckerInterface interface
* @param string $providerKey A provider key
* @param bool $hideUserNotFoundExceptions Whether to hide user not found exception or not
*
* @throws \InvalidArgumentException
*/
public function __construct(UserCheckerInterface $userChecker, $providerKey, $hideUserNotFoundExceptions = true)
{
if (empty($providerKey)) {
throw new \InvalidArgumentException('$providerKey must not be empty.');
}
$this->userChecker = $userChecker;
$this->providerKey = $providerKey;
$this->hideUserNotFoundExceptions = $hideUserNotFoundExceptions;
}
/**
* {@inheritdoc}
*/
public function authenticate(TokenInterface $token)
{
if (!$this->supports($token)) {
throw new AuthenticationException('The token is not supported by this authentication provider.');
}
$username = $token->getUsername();
if ('' === $username || null === $username) {
$username = AuthenticationProviderInterface::USERNAME_NONE_PROVIDED;
}
try {
$user = $this->retrieveUser($username, $token);
} catch (UsernameNotFoundException $e) {
if ($this->hideUserNotFoundExceptions) {
throw new BadCredentialsException('Bad credentials.', 0, $e);
}
$e->setUsername($username);
throw $e;
}
if (!$user instanceof UserInterface) {
throw new AuthenticationServiceException('retrieveUser() must return a UserInterface.');
}
try {
$this->userChecker->checkPreAuth($user);
$this->checkAuthentication($user, $token);
$this->userChecker->checkPostAuth($user);
} catch (BadCredentialsException $e) {
if ($this->hideUserNotFoundExceptions) {
throw new BadCredentialsException('Bad credentials.', 0, $e);
}
throw $e;
}
$authenticatedToken = new UsernamePasswordToken($user, $token->getCredentials(), $this->providerKey, $this->getRoles($user, $token));
$authenticatedToken->setAttributes($token->getAttributes());
return $authenticatedToken;
}
/**
* {@inheritdoc}
*/
public function supports(TokenInterface $token)
{
return $token instanceof UsernamePasswordToken && $this->providerKey === $token->getProviderKey();
}
/**
* Retrieves roles from user and appends SwitchUserRole if original token contained one.
*
* @return array The user roles
*/
private function getRoles(UserInterface $user, TokenInterface $token)
{
$roles = $user->getRoles();
foreach ($token->getRoles() as $role) {
if ($role instanceof SwitchUserRole) {
$roles[] = $role;
break;
}
}
return $roles;
}
/**
* Retrieves the user from an implementation-specific location.
*
* @param string $username The username to retrieve
* @param UsernamePasswordToken $token The Token
*
* @return UserInterface The user
*
* @throws AuthenticationException if the credentials could not be validated
*/
abstract protected function retrieveUser($username, UsernamePasswordToken $token);
/**
* Does additional checks on the user and token (like validating the
* credentials).
*
* @throws AuthenticationException if the credentials could not be validated
*/
abstract protected function checkAuthentication(UserInterface $user, UsernamePasswordToken $token);
}
|