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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Integration\Model\Oauth\Token;
use Magento\Authorization\Model\UserContextInterface;
use Magento\Framework\Encryption\Helper\Security;
use Magento\Framework\Oauth\TokenProviderInterface;
use Magento\Integration\Model\Oauth\Token;
class Provider implements TokenProviderInterface
{
/**
* @var \Magento\Integration\Model\Oauth\ConsumerFactory
*/
protected $_consumerFactory;
/**
* @var \Magento\Integration\Model\Oauth\TokenFactory
*/
protected $_tokenFactory;
/**
* @var \Psr\Log\LoggerInterface
*/
protected $logger;
/**
* @param \Magento\Integration\Model\Oauth\ConsumerFactory $consumerFactory
* @param \Magento\Integration\Model\Oauth\TokenFactory $tokenFactory
* @param \Psr\Log\LoggerInterface $logger
*/
public function __construct(
\Magento\Integration\Model\Oauth\ConsumerFactory $consumerFactory,
\Magento\Integration\Model\Oauth\TokenFactory $tokenFactory,
\Psr\Log\LoggerInterface $logger
) {
$this->_consumerFactory = $consumerFactory;
$this->_tokenFactory = $tokenFactory;
$this->logger = $logger;
}
/**
* @inheritdoc
*/
public function validateConsumer($consumer)
{
// Must use consumer within expiration period.
if (!$consumer->isValidForTokenExchange()) {
throw new \Magento\Framework\Oauth\Exception(
__('Consumer key has expired')
);
}
return true;
}
/**
* @inheritdoc
*/
public function createRequestToken($consumer)
{
$token = $this->getIntegrationTokenByConsumerId($consumer->getId());
if ($token->getType() != Token::TYPE_VERIFIER) {
throw new \Magento\Framework\Oauth\Exception(
__('Cannot create request token because consumer token is not a verifier token')
);
}
$requestToken = $token->createRequestToken($token->getId(), $consumer->getCallbackUrl());
return ['oauth_token' => $requestToken->getToken(), 'oauth_token_secret' => $requestToken->getSecret()];
}
/**
* @inheritdoc
*/
public function validateRequestToken($requestToken, $consumer, $oauthVerifier)
{
$token = $this->_getToken($requestToken);
if (!$this->_isTokenAssociatedToConsumer($token, $consumer)) {
throw new \Magento\Framework\Oauth\Exception(
__('Request token is not associated with the specified consumer')
);
}
// The pre-auth token has a value of "request" in the type when it is requested and created initially.
// In this flow (token flow) the token has to be of type "request" else its marked as reused.
if (Token::TYPE_REQUEST != $token->getType()) {
throw new \Magento\Framework\Oauth\Exception(
__('Token is already being used')
);
}
$this->_validateVerifierParam($oauthVerifier, $token->getVerifier());
return $token->getSecret();
}
/**
* @inheritdoc
*/
public function getAccessToken($consumer)
{
$consumerId = $consumer->getId();
$token = $this->getIntegrationTokenByConsumerId($consumerId);
if (Token::TYPE_REQUEST != $token->getType()) {
throw new \Magento\Framework\Oauth\Exception(
__('Cannot get access token because consumer token is not a request token')
);
}
$accessToken = $token->convertToAccess();
$this->logger->info(
'Request token ' . $token->getToken() . ' was exchanged to obtain access token for consumer ' . $consumerId
);
return ['oauth_token' => $accessToken->getToken(), 'oauth_token_secret' => $accessToken->getSecret()];
}
/**
* @inheritdoc
*/
public function validateAccessTokenRequest($accessToken, $consumer)
{
$token = $this->_getToken($accessToken);
if (!$this->_isTokenAssociatedToConsumer($token, $consumer)) {
throw new \Magento\Framework\Oauth\Exception(
__('Token is not associated with the specified consumer')
);
}
if (Token::TYPE_ACCESS != $token->getType()) {
throw new \Magento\Framework\Oauth\Exception(
__('Token is not an access token')
);
}
if ($token->getRevoked()) {
throw new \Magento\Framework\Oauth\Exception(
__('Access token has been revoked')
);
}
return $token->getSecret();
}
/**
* @inheritdoc
*/
public function validateAccessToken($accessToken)
{
$token = $this->_getToken($accessToken);
// Make sure a consumer is associated with the token.
$this->_getConsumer($token->getConsumerId());
if (Token::TYPE_ACCESS != $token->getType()) {
throw new \Magento\Framework\Oauth\Exception(
__('Token is not an access token')
);
}
if ($token->getRevoked()) {
throw new \Magento\Framework\Oauth\Exception(
__('Access token has been revoked')
);
}
return $token->getConsumerId();
}
/**
* @inheritdoc
*/
public function validateOauthToken($oauthToken)
{
return $oauthToken && strlen($oauthToken) == \Magento\Framework\Oauth\Helper\Oauth::LENGTH_TOKEN;
}
/**
* @inheritdoc
*/
public function getConsumerByKey($consumerKey)
{
if ($consumerKey && strlen($consumerKey) != \Magento\Framework\Oauth\Helper\Oauth::LENGTH_CONSUMER_KEY) {
throw new \Magento\Framework\Oauth\Exception(
__('Consumer key is not the correct length')
);
}
$consumer = $this->_consumerFactory->create()->loadByKey($consumerKey);
if (!$consumer->getId()) {
throw new \Magento\Framework\Oauth\Exception(
__('A consumer having the specified key does not exist')
);
}
return $consumer;
}
/**
* Validate 'oauth_verifier' parameter.
*
* @param string $oauthVerifier
* @param string $tokenVerifier
* @return void
* @throws \Magento\Framework\Oauth\Exception
*/
protected function _validateVerifierParam($oauthVerifier, $tokenVerifier)
{
if (!is_string($oauthVerifier)) {
throw new \Magento\Framework\Oauth\Exception(
__('Verifier is invalid')
);
}
if (!$this->validateOauthToken($oauthVerifier)) {
throw new \Magento\Framework\Oauth\Exception(
__('Verifier is not the correct length')
);
}
if (!Security::compareStrings($tokenVerifier, $oauthVerifier)) {
throw new \Magento\Framework\Oauth\Exception(
__('Token verifier and verifier token do not match')
);
}
}
/**
* Get consumer by consumer_id for a given token.
*
* @param int $consumerId
* @return \Magento\Framework\Oauth\ConsumerInterface
* @throws \Magento\Framework\Oauth\Exception
*/
protected function _getConsumer($consumerId)
{
$consumer = $this->_consumerFactory->create()->load($consumerId);
if (!$consumer->getId()) {
throw new \Magento\Framework\Oauth\Exception(
__(
'A consumer with the ID %1 does not exist',
[$consumerId]
)
);
}
return $consumer;
}
/**
* Load token object and validate it.
*
* @param string $token
* @return Token
* @throws \Magento\Framework\Oauth\Exception
*/
protected function _getToken($token)
{
if (!$this->validateOauthToken($token)) {
throw new \Magento\Framework\Oauth\Exception(
__('The token length is invalid. Check the length and try again.')
);
}
$tokenObj = $this->_tokenFactory->create()->load($token, 'token');
if (!$tokenObj->getId()) {
throw new \Magento\Framework\Oauth\Exception(
__('Specified token does not exist')
);
}
return $tokenObj;
}
/**
* Load token object given a consumer Id.
*
* @param int $consumerId - The Id of the consumer.
* @return Token
* @throws \Magento\Framework\Oauth\Exception
*/
public function getIntegrationTokenByConsumerId($consumerId)
{
/** @var \Magento\Integration\Model\Oauth\Token $token */
$token = $this->_tokenFactory->create();
$token->loadByConsumerIdAndUserType($consumerId, UserContextInterface::USER_TYPE_INTEGRATION);
if (!$token->getId()) {
throw new \Magento\Framework\Oauth\Exception(
__(
'A token with consumer ID %1 does not exist',
[$consumerId]
)
);
}
return $token;
}
/**
* Check if token belongs to the same consumer.
*
* @param Token $token
* @param \Magento\Framework\Oauth\ConsumerInterface $consumer
* @return bool
*/
protected function _isTokenAssociatedToConsumer($token, $consumer)
{
return $token->getConsumerId() == $consumer->getId();
}
}