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<?php |
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namespace SilverStripe\MFA\RequestHandler; |
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use Exception; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Control\HTTPResponse; |
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use SilverStripe\MFA\Method\MethodInterface; |
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use SilverStripe\MFA\Service\RegisteredMethodManager; |
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use SilverStripe\MFA\State\Result; |
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use SilverStripe\MFA\Store\StoreInterface; |
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use SilverStripe\ORM\ValidationResult; |
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/** |
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* This trait encapsulates logic that can be added to a `RequestHandler` to work with registering MFA authenticators |
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* using the MFA front-end app. It provides two main methods; @see createStartRegistrationResponse - creates a response |
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* that can be easily consumed by the MFA app to start the registration process for a method, and |
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* @see completeRegistrationRequest - used to complete the registration flow for a method using details sent back by the |
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* MFA app. |
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*/ |
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trait RegistrationHandlerTrait |
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{ |
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public function createStartRegistrationResponse(StoreInterface $store, MethodInterface $method): HTTPResponse |
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{ |
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$member = $store->getMember(); |
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// Sanity check that the method hasn't already been registered |
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$existingRegisteredMethod = RegisteredMethodManager::singleton()->getFromMember($member, $method); |
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$response = HTTPResponse::create() |
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->addHeader('Content-Type', 'application/json'); |
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if ($existingRegisteredMethod) { |
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return $response->setBody(json_encode(['errors' => [_t( |
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__CLASS__ . '.METHOD_ALREADY_REGISTERED', |
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'That method has already been registered against this Member' |
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)]]))->setStatusCode(400); |
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} |
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// Mark the given method as started within the session |
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$store->setMethod($method->getURLSegment()); |
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// Allow the registration handler to begin the process and generate some data to pass through to the front-end |
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$data = $method->getRegisterHandler()->start($store); |
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return $response->setBody(json_encode($data)); |
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} |
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public function completeRegistrationRequest( |
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StoreInterface $store, |
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MethodInterface $method, |
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HTTPRequest $request |
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): Result { |
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$storedMethodName = $store->getMethod(); |
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// If a registration process hasn't been initiated in a previous request, calling this method is invalid |
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if (!$storedMethodName) { |
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return Result::create(false, _t(__CLASS__ . '.NO_REGISTRATION_IN_PROGRESS', 'No registration in progress')); |
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} |
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// Assert the method in progress matches the request for completion |
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if ($storedMethodName !== $method->getURLSegment()) { |
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return Result::create( |
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false, |
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_t(__CLASS__ . '.METHOD_MISMATCH', 'Method does not match registration in progress') |
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); |
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} |
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$registrationHandler = $method->getRegisterHandler(); |
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$result = $registrationHandler->register($request, $store); |
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$member = $store->getMember(); |
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if ($result->isSuccessful()) { |
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RegisteredMethodManager::singleton() |
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->registerForMember($member, $method, $result->getContext()); |
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} else { |
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$this->extend('onRegisterMethodFailure', $member, $method); |
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} |
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return $result; |
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} |
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} |
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silverstripe /
silverstripe-mfa
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