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<?php |
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namespace League\Tactician\Bundle\Security\Voter; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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use Symfony\Component\Security\Core\Authorization\AccessDecisionManagerInterface; |
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use Symfony\Component\Security\Core\Authorization\Voter\Voter; |
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/** |
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* Voter for security checks on handling commands. |
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* |
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* @author Ron Rademaker |
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*/ |
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class HandleCommandVoter extends Voter |
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{ |
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/** |
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* The decision manager. |
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* |
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* @var AccessDecisionManagerInterface |
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*/ |
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private $decisionManager; |
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/** |
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* Default required role. |
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* |
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* @var string |
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*/ |
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private $defaultRole; |
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/** |
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* Command - Require role mapping |
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* |
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* @var array |
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*/ |
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private $commandRoleMapping; |
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/** |
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* Create a new HandleCommandVoter. |
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* |
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* @param AccessDecisionManagerInterface $decisionManager |
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* @param array $commandRoleMapping |
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* @param string $defaultRole |
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*/ |
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public function __construct(AccessDecisionManagerInterface $decisionManager, array $commandRoleMapping = [], $defaultRole = null) |
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{ |
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$this->decisionManager = $decisionManager; |
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$this->commandRoleMapping = $commandRoleMapping; |
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$this->defaultRole = $defaultRole; |
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} |
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/** |
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* The voter supports checking handle commands |
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* |
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* @param string $attribute |
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* @param object $subject |
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* @return bool |
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*/ |
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protected function supports($attribute, $subject) |
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{ |
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return $attribute === 'handle' && is_object($subject); |
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} |
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/** |
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* Checks if the currently logged on user may handle $subject. |
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* |
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* @param type $attribute |
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* @param type $subject |
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* @param TokenInterface $token |
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* |
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* @return bool |
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*/ |
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protected function voteOnAttribute($attribute, $subject, TokenInterface $token) |
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{ |
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$allowedRoles = $this->getAllowedRoles(get_class($subject)); |
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if (count($allowedRoles) > 0) { |
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return $this->getDecisionManager()->decide($token, $allowedRoles); |
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} else { |
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// no required role is action allowed |
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return true; |
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} |
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} |
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/** |
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* Gets the roles allowed to handle a command of $type |
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* |
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* @param string $type |
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* @return array |
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*/ |
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private function getAllowedRoles($type) |
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{ |
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if (false === $type && isset($this->defaultRole)) { |
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return [$this->defaultRole]; |
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} elseif (false === $type) { |
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return []; |
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} elseif (array_key_exists($type, $this->commandRoleMapping)) { |
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return $this->commandRoleMapping[$type]; |
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} else { |
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return $this->getAllowedRoles(get_parent_class($type)); |
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} |
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} |
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/** |
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* Returns the decisionManager. |
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* |
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* @return AccessDecisionManagerInterface |
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*/ |
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private function getDecisionManager() |
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{ |
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return $this->decisionManager; |
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} |
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} |
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thephpleague /
tactician-bundle
