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<?php |
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/****************************************************************************** |
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* Wikipedia Account Creation Assistance tool * |
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* * |
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* All code in this file is released into the public domain by the ACC * |
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* Development Team. Please see team.json for a list of contributors. * |
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******************************************************************************/ |
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namespace Waca\Security; |
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use Waca\DataObjects\User; |
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use Waca\Exceptions\AccessDeniedException; |
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use Waca\IdentificationVerifier; |
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final class SecurityManager |
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{ |
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/** @var IdentificationVerifier */ |
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private $identificationVerifier; |
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/** @var SecurityConfigurationFactory */ |
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private $securityConfigurationFactory; |
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/** |
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* SecurityManager constructor. |
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* |
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* @param IdentificationVerifier $identificationVerifier |
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* @param bool $forceIdentification |
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*/ |
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public function __construct(IdentificationVerifier $identificationVerifier, $forceIdentification) |
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{ |
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$this->identificationVerifier = $identificationVerifier; |
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$this->securityConfigurationFactory = new SecurityConfigurationFactory($forceIdentification); |
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} |
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public function configure() |
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{ |
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return $this->securityConfigurationFactory; |
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} |
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/** |
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* @param $value |
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* @param $filter |
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* |
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* @return bool |
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* @throws AccessDeniedException |
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* @category Security-Critical |
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*/ |
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private function test($value, $filter) |
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{ |
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if (!$filter) { |
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return false; |
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} |
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if ($value == SecurityConfiguration::DENY) { |
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// FILE_NOT_FOUND...? |
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throw new AccessDeniedException(); |
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} |
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return $value === SecurityConfiguration::ALLOW; |
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} |
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/** |
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* Tests if a user is allowed to perform an action. |
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* |
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* This method should form a hard, deterministic security barrier, and only return true if it is absolutely sure |
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* that a user should have access to something. |
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* |
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* @param SecurityConfiguration $config |
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* @param User $user |
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* |
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* @return bool |
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* |
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* @category Security-Critical |
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*/ |
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public function allows(SecurityConfiguration $config, User $user) |
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{ |
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if ($config->requiresIdentifiedUser() && !$user->isCommunityUser() && !$user->isIdentified($this->identificationVerifier)) { |
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return false; |
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} |
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try { |
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$allowed = $this->test($config->getAdmin(), $user->isAdmin()) |
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|| $this->test($config->getUser(), $user->isUser()) |
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|| $this->test($config->getCommunity(), $user->isCommunityUser()) |
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|| $this->test($config->getSuspended(), $user->isSuspended()) |
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|| $this->test($config->getDeclined(), $user->isDeclined()) |
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|| $this->test($config->getNew(), $user->isNewUser()) |
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|| $this->test($config->getCheckuser(), $user->isCheckuser()); |
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return $allowed; |
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} |
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catch (AccessDeniedException $ex) { |
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// something is set to deny. |
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return false; |
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} |
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} |
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} |
enwikipedia-acc /
waca
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