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<?php |
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declare(strict_types=1); |
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namespace SlayerBirden\DataFlowServer\Authentication\Service; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\Common\Collections\Criteria; |
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use Doctrine\Common\Collections\Selectable; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use SlayerBirden\DataFlowServer\Authentication\Entities\Grant; |
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use SlayerBirden\DataFlowServer\Authentication\Entities\Token; |
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use SlayerBirden\DataFlowServer\Authentication\Exception\InvalidCredentialsException; |
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use SlayerBirden\DataFlowServer\Authentication\Exception\PermissionDeniedException; |
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use SlayerBirden\DataFlowServer\Authentication\PasswordManagerInterface; |
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use SlayerBirden\DataFlowServer\Authentication\TokenManagerInterface; |
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use SlayerBirden\DataFlowServer\Authorization\PermissionManagerInterface; |
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use SlayerBirden\DataFlowServer\Domain\Entities\User; |
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final class TokenManager implements TokenManagerInterface |
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{ |
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/** |
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* @var PasswordManagerInterface |
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*/ |
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private $passwordManager; |
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/** |
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* @var PermissionManagerInterface |
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*/ |
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private $permissionManager; |
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/** |
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* @var ManagerRegistry |
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*/ |
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private $managerRegistry; |
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/** |
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* @var Selectable |
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*/ |
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private $userRepository; |
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public function __construct( |
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ManagerRegistry $managerRegistry, |
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Selectable $userRepository, |
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PasswordManagerInterface $passwordManager, |
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PermissionManagerInterface $permissionManager |
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) { |
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$this->managerRegistry = $managerRegistry; |
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$this->userRepository = $userRepository; |
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$this->passwordManager = $passwordManager; |
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$this->permissionManager = $permissionManager; |
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} |
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/** |
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* @inheritdoc |
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* @throws \Exception |
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*/ |
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public function getToken(string $user, string $password, array $resources): Token |
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{ |
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$em = $this->managerRegistry->getManagerForClass(Token::class); |
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$user = $this->getByUsername($user); |
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if ($this->passwordManager->isValidForUser($password, $user)) { |
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$token = new Token(); |
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$now = new \DateTime(); |
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// default token for 1 month |
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$due = (new \DateTime())->add(new \DateInterval('P1M')); |
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$token->setActive(true); |
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$token->setCreatedAt($now); |
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$token->setOwner($user); |
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$token->setDue($due); |
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$token->setGrants($this->getGrants($token, $resources, $user)); |
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$token->setToken($this->generateToken()); |
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$em->persist($token); |
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$em->flush(); |
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return $token; |
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} |
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throw new InvalidCredentialsException('Could not validate credentials.'); |
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} |
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private function getByUsername(string $user): User |
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{ |
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$criteria = Criteria::create(); |
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$criteria->where(Criteria::expr()->eq('email', $user)); |
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$users = $this->userRepository->matching($criteria); |
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if ($users->count()) { |
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return $users->first(); |
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} else { |
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throw new InvalidCredentialsException('Could not find user by provided email.'); |
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} |
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} |
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/** |
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* UUIDv4 |
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* https://stackoverflow.com/a/15875555/927404 |
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* |
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* @return string |
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* @throws \Exception |
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*/ |
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private function generateToken(): string |
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{ |
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$data = random_bytes(16); |
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$data[6] = chr(ord($data[6]) & 0x0f | 0x40); |
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$data[8] = chr(ord($data[8]) & 0x3f | 0x80); |
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return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4)); |
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} |
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/** |
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* @param Token $token |
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* @param array $resources |
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* @param User $user |
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* @return ArrayCollection |
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* @throws PermissionDeniedException |
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*/ |
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private function getGrants(Token $token, array $resources, User $user): ArrayCollection |
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{ |
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$grants = []; |
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$em = $this->managerRegistry->getManagerForClass(Token::class); |
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foreach ($resources as $resource) { |
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if (!$this->permissionManager->isAllowed($resource, $user)) { |
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throw new PermissionDeniedException(sprintf('%s is not allowed for provided user.', $resource)); |
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} |
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$grant = new Grant(); |
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$grant->setToken($token); |
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$grant->setResource($resource); |
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$em->persist($grant); |
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$grants[] = $grant; |
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} |
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return new ArrayCollection($grants); |
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} |
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/** |
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* @param User $user |
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* @param array $resources |
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* @return Token |
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* @throws \Exception |
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*/ |
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public function getTmpToken(User $user, array $resources): Token |
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{ |
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$token = new Token(); |
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$now = new \DateTime(); |
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// tmp token for 1 hour |
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$due = (new \DateTime())->add(new \DateInterval('PT1H')); |
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$token->setActive(true); |
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$token->setCreatedAt($now); |
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$token->setOwner($user); |
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$token->setDue($due); |
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$token->setGrants($this->getGrants($token, $resources, $user)); |
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$token->setToken($this->generateToken()); |
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$em = $this->managerRegistry->getManagerForClass(Token::class); |
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$em->persist($token); |
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$em->flush(); |
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return $token; |
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} |
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} |
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SlayerBirden /
dataflow-server
