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<?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\Token;
use Symfony\Component\Security\Core\Role\RoleInterface;
use Symfony\Component\Security\Core\Role\Role;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\AdvancedUserInterface;
use Symfony\Component\Security\Core\User\ComparableInterface;
/**
* Base class for Token instances.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
abstract class AbstractToken implements TokenInterface
{
private $user;
private $roles;
private $authenticated;
private $attributes;
/**
* Constructor.
*
* @param Role[] $roles An array of roles
*/
public function __construct(array $roles = array())
{
$this->authenticated = false;
$this->attributes = array();
$this->roles = array();
foreach ($roles as $role) {
if (is_string($role)) {
$role = new Role($role);
} elseif (!$role instanceof RoleInterface) {
throw new \InvalidArgumentException(sprintf('$roles must be an array of strings, or RoleInterface instances, but got %s.', gettype($role)));
}
$this->roles[] = $role;
}
}
/**
* {@inheritdoc}
*/
public function getRoles()
{
return $this->roles;
}
/**
* {@inheritdoc}
*/
public function getUsername()
{
if ($this->user instanceof UserInterface) {
return $this->user->getUsername();
}
return (string) $this->user;
}
public function getUser()
{
return $this->user;
}
public function setUser($user)
{
if (!($user instanceof UserInterface || (is_object($user) && method_exists($user, '__toString')) || is_string($user))) {
throw new \InvalidArgumentException('$user must be an instanceof of UserInterface, an object implementing a __toString method, or a primitive string.');
}
if (null === $this->user) {
$changed = false;
} elseif ($this->user instanceof UserInterface) {
if (!$user instanceof UserInterface) {
$changed = true;
} else {
$changed = !$this->compareUser($user);
}
} elseif ($user instanceof UserInterface) {
$changed = true;
} else {
$changed = (string) $this->user !== (string) $user;
}
if ($changed) {
$this->setAuthenticated(false);
}
$this->user = $user;
}
/**
* {@inheritdoc}
*/
public function isAuthenticated()
{
return $this->authenticated;
}
/**
* {@inheritdoc}
*/
public function setAuthenticated($authenticated)
{
$this->authenticated = (Boolean) $authenticated;
}
/**
* {@inheritdoc}
*/
public function eraseCredentials()
{
if ($this->getUser() instanceof UserInterface) {
$this->getUser()->eraseCredentials();
}
}
/**
* {@inheritdoc}
*/
public function serialize()
{
return serialize(array($this->user, $this->authenticated, $this->roles, $this->attributes));
}
/**
* {@inheritdoc}
*/
public function unserialize($serialized)
{
list($this->user, $this->authenticated, $this->roles, $this->attributes) = unserialize($serialized);
}
/**
* Returns the token attributes.
*
* @return array The token attributes
*/
public function getAttributes()
{
return $this->attributes;
}
/**
* Sets the token attributes.
*
* @param array $attributes The token attributes
*/
public function setAttributes(array $attributes)
{
$this->attributes = $attributes;
}
/**
* Returns true if the attribute exists.
*
* @param string $name The attribute name
*
* @return Boolean true if the attribute exists, false otherwise
*/
public function hasAttribute($name)
{
return array_key_exists($name, $this->attributes);
}
/**
* Returns a attribute value.
*
* @param string $name The attribute name
*
* @return mixed The attribute value
*
* @throws \InvalidArgumentException When attribute doesn't exist for this token
*/
public function getAttribute($name)
{
if (!array_key_exists($name, $this->attributes)) {
throw new \InvalidArgumentException(sprintf('This token has no "%s" attribute.', $name));
}
return $this->attributes[$name];
}
/**
* Sets a attribute.
*
* @param string $name The attribute name
* @param mixed $value The attribute value
*/
public function setAttribute($name, $value)
{
$this->attributes[$name] = $value;
}
/**
* {@inheritDoc}
*/
public function __toString()
{
$class = get_class($this);
$class = substr($class, strrpos($class, '\\')+1);
$roles = array();
foreach ($this->roles as $role) {
$roles[] = $role->getRole();
}
return sprintf('%s(user="%s", authenticated=%s, roles="%s")', $class, $this->getUsername(), json_encode($this->authenticated), implode(', ', $roles));
}
private function compareUser(UserInterface $user)
{
if (!($this->user instanceof UserInterface)) {
throw new \BadMethodCallException('Method "compareUser" should be called when current user class is instance of "UserInterface".');
}
if ($this->user instanceof ComparableInterface) {
return $this->user->compareTo($user);
}
if ($this->user->getPassword() !== $user->getPassword()) {
return false;
}
if ($this->user->getSalt() !== $user->getSalt()) {
return false;
}
if ($this->user->getUsername() !== $user->getUsername()) {
return false;
}
if ($this->user instanceof AdvancedUserInterface && $user instanceof AdvancedUserInterface) {
if ($this->user->isAccountNonExpired() !== $user->isAccountNonExpired()) {
return false;
}
if ($this->user->isAccountNonLocked() !== $user->isAccountNonLocked()) {
return false;
}
if ($this->user->isCredentialsNonExpired() !== $user->isCredentialsNonExpired()) {
return false;
}
if ($this->user->isEnabled() !== $user->isEnabled()) {
return false;
}
} elseif ($this->user instanceof AdvancedUserInterface xor $user instanceof AdvancedUserInterface) {
return false;
}
return true;
}
}
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