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<?php |
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/** |
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* SocialConnect project |
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* @author: Patsura Dmitry https://github.com/ovr <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace SocialConnect\OAuth2; |
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use Psr\Http\Message\RequestInterface; |
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use SocialConnect\OAuth2\Exception\InvalidState; |
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use SocialConnect\OAuth2\Exception\Unauthorized; |
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use SocialConnect\OAuth2\Exception\UnknownAuthorization; |
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use SocialConnect\OAuth2\Exception\UnknownState; |
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use SocialConnect\Provider\AbstractBaseProvider; |
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use SocialConnect\Provider\Exception\InvalidAccessToken; |
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use SocialConnect\Provider\Exception\InvalidResponse; |
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abstract class AbstractProvider extends AbstractBaseProvider |
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{ |
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/** |
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* HTTP method for access token request |
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* |
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* @var string |
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*/ |
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protected $requestHttpMethod = 'POST'; |
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/** |
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* @return string |
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*/ |
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abstract public function getAuthorizeUri(); |
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/** |
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* @return string |
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*/ |
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abstract public function getRequestTokenUri(); |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getAuthUrlParameters(): array |
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{ |
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$parameters = parent::getAuthUrlParameters(); |
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// special parameters only required for OAuth2 |
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$parameters['client_id'] = $this->consumer->getKey(); |
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$parameters['redirect_uri'] = $this->getRedirectUrl(); |
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$parameters['response_type'] = 'code'; |
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return $parameters; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function makeAuthUrl(): string |
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{ |
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$urlParameters = $this->getAuthUrlParameters(); |
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if (!$this->getBoolOption('stateless', false)) { |
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$this->session->set( |
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'oauth2_state', |
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$urlParameters['state'] = $this->generateState() |
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); |
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} |
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if (count($this->scope) > 0) { |
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$urlParameters['scope'] = $this->getScopeInline(); |
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} |
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return $this->getAuthorizeUri() . '?' . http_build_query($urlParameters); |
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} |
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/** |
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* Parse access token from response's $body |
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* |
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* @param string $body |
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* @return AccessToken |
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* @throws InvalidAccessToken |
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*/ |
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public function parseToken(string $body) |
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{ |
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if (empty($body)) { |
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throw new InvalidAccessToken('Provider response with empty body'); |
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} |
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$token = json_decode($body, true); |
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if ($token) { |
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if (!is_array($token)) { |
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throw new InvalidAccessToken('Response must be array'); |
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} |
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return new AccessToken($token); |
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} |
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throw new InvalidAccessToken('Server response with not valid/empty JSON'); |
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} |
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/** |
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* @param string $code |
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* @return RequestInterface |
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*/ |
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protected function makeAccessTokenRequest(string $code): RequestInterface |
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{ |
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$parameters = [ |
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'client_id' => $this->consumer->getKey(), |
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'client_secret' => $this->consumer->getSecret(), |
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'code' => $code, |
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'grant_type' => 'authorization_code', |
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'redirect_uri' => $this->getRedirectUrl() |
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]; |
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return $this->httpStack->createRequest($this->requestHttpMethod, $this->getRequestTokenUri()) |
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->withHeader('Content-Type', 'application/x-www-form-urlencoded') |
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->withBody($this->httpStack->createStream(http_build_query($parameters, '', '&'))) |
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; |
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} |
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/** |
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* @param string $code |
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* @return AccessToken |
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* @throws InvalidAccessToken |
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* @throws InvalidResponse |
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* @throws \Psr\Http\Client\ClientExceptionInterface |
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*/ |
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public function getAccessToken(string $code): AccessToken |
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{ |
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$response = $this->executeRequest( |
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$this->makeAccessTokenRequest($code) |
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); |
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return $this->parseToken($response->getBody()->getContents()); |
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} |
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/** |
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* @param array $parameters |
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* @return AccessToken |
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* @throws InvalidAccessToken |
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* @throws InvalidResponse |
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* @throws InvalidState |
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* @throws Unauthorized |
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* @throws UnknownAuthorization |
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* @throws UnknownState |
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* @throws \Psr\Http\Client\ClientExceptionInterface |
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*/ |
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public function getAccessTokenByRequestParameters(array $parameters) |
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{ |
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if (isset($parameters['error']) && $parameters['error'] === 'access_denied') { |
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throw new Unauthorized(); |
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} |
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if (!isset($parameters['code'])) { |
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throw new Unauthorized('Unknown code'); |
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} |
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if (!$this->getBoolOption('stateless', false)) { |
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$state = $this->session->get('oauth2_state'); |
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if (!$state) { |
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throw new UnknownAuthorization(); |
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} |
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if (!isset($parameters['state'])) { |
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throw new UnknownState(); |
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} |
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if ($state !== $parameters['state']) { |
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throw new InvalidState(); |
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} |
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} |
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return $this->getAccessToken($parameters['code']); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function createAccessToken(array $information) |
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{ |
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return new AccessToken($information); |
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} |
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} |
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SocialConnect /
auth
