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<?php |
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namespace SilverStripe\MFA\Service; |
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use LogicException; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Core\Injector\Injectable; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\MFA\Extension\MemberExtension; |
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use SilverStripe\MFA\Method\MethodInterface; |
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use SilverStripe\MFA\Model\RegisteredMethod; |
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use SilverStripe\Security\Member; |
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use UnexpectedValueException; |
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/** |
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* A service class that holds the configuration for enabled MFA methods and facilitates providing these methods |
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*/ |
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class MethodRegistry |
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{ |
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use Configurable; |
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use Injectable; |
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/** |
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* List of configured MFA methods. These should be class names that implement MethodInterface |
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* |
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* @config |
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* @var array |
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*/ |
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private static $methods; |
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/** |
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* Get implementations of all configured methods |
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* |
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* @return MethodInterface[] |
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* @throws UnexpectedValueException When an invalid method is registered |
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*/ |
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public function getMethods() |
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{ |
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$configuredMethods = (array) static::config()->get('methods'); |
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$allMethods = []; |
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foreach ($configuredMethods as $method) { |
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$method = Injector::inst()->get($method); |
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if (!$method instanceof MethodInterface) { |
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throw new UnexpectedValueException(sprintf( |
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'Given method "%s" does not implement %s', |
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$method, |
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MethodInterface::class |
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)); |
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} |
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$allMethods[] = $method; |
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} |
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return $allMethods; |
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} |
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/** |
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* Helper method to indicate whether any MFA methods are registered |
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* |
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* @return bool |
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*/ |
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public function hasMethods() |
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{ |
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return count($this->getMethods()) > 0; |
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} |
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/** |
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* Get an authentication method object matching the given method from the given member. Returns null if the given |
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* method could not be found attached to the Member |
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* |
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* @param Member|MemberExtension $member |
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* @param string $specifiedMethod The class name of the requested method |
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* @return RegisteredMethod|null |
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*/ |
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public function getMethodFromMember(Member $member, $specifiedMethod) |
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{ |
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$method = null; |
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// Find the actual method registration data object from the member for the specified default authenticator |
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foreach ($member->RegisteredMFAMethods() as $candidate) { |
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if ($candidate->MethodClassName === $specifiedMethod) { |
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$method = $candidate; |
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break; |
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} |
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} |
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return $method; |
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} |
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/** |
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* Fetches a Method by its URL Segment |
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* |
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* @param $segment |
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* @return MethodInterface|null |
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*/ |
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public function getMethodByURLSegment($segment) |
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{ |
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foreach ($this->getMethods() as $method) { |
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if ($method->getURLSegment() === $segment) { |
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return $method; |
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} |
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} |
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return null; |
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} |
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} |
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silverstripe /
silverstripe-mfa
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