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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\Provider; |
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use Psr\Http\Client\ClientInterface; |
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use Psr\Http\Message\RequestFactoryInterface; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use SocialConnect\Provider\Exception\InvalidProviderConfiguration; |
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use SocialConnect\Common\HttpStack; |
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use SocialConnect\Provider\Exception\InvalidRequest; |
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use SocialConnect\Provider\Exception\InvalidResponse; |
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use SocialConnect\Provider\Session\SessionInterface; |
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abstract class AbstractBaseProvider |
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{ |
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/** |
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* @var Consumer |
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*/ |
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protected $consumer; |
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/** |
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* @var array |
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*/ |
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protected $scope = []; |
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/** |
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* @var HttpStack |
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*/ |
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protected $httpStack; |
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/** |
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* @var string |
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*/ |
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protected $redirectUri; |
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/** |
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* @var SessionInterface |
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*/ |
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protected $session; |
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/** |
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* @var array |
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*/ |
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protected $options = []; |
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/** |
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* @param HttpStack $httpStack |
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* @param SessionInterface $session |
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* @param array $parameters |
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* @throws InvalidProviderConfiguration |
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*/ |
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public function __construct(HttpStack $httpStack, SessionInterface $session, array $parameters) |
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{ |
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if (isset($parameters['scope'])) { |
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$this->setScope($parameters['scope']); |
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} |
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if (isset($parameters['redirectUri'])) { |
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$this->redirectUri = $parameters['redirectUri']; |
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} |
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if (isset($parameters['options'])) { |
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$this->options = $parameters['options']; |
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} |
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$this->consumer = $this->createConsumer($parameters); |
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$this->httpStack = $httpStack; |
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$this->session = $session; |
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} |
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/** |
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* @param int $bytes Default it's 16 bytes / 128 bit / 16 symbols / 32 symbols in hex |
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* @return string |
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* @throws \Exception |
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*/ |
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protected function generateState(int $bytes = 16): string |
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{ |
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return bin2hex(random_bytes($bytes)); |
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} |
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/** |
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* @param array $parameters |
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* @return Consumer |
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* @throws InvalidProviderConfiguration |
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*/ |
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protected function createConsumer(array $parameters): Consumer |
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{ |
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return new Consumer( |
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$this->getRequiredStringParameter('applicationId', $parameters), |
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$this->getRequiredStringParameter('applicationSecret', $parameters) |
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); |
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} |
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/** |
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* @param string $key |
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* @param array $parameters |
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* @return string |
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* @throws InvalidProviderConfiguration |
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*/ |
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protected function getRequiredStringParameter(string $key, array $parameters): string |
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{ |
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if (!isset($parameters[$key])) { |
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throw new InvalidProviderConfiguration( |
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"Parameter '{$key}' doesn`t exists for '{$this->getName()}' provider configuration" |
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); |
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} |
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if (!is_string($parameters[$key])) { |
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throw new InvalidProviderConfiguration( |
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"Parameter '{$key}' must be string inside '{$this->getName()}' provider configuration" |
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); |
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} |
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return $parameters[$key]; |
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} |
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/** |
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* @param string $key |
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* @param bool $default |
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* @return bool |
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*/ |
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public function getBoolOption($key, $default): bool |
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{ |
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if (array_key_exists($key, $this->options)) { |
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return (bool) $this->options[$key]; |
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} |
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return $default; |
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} |
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/** |
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* @param string $key |
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* @param array $default |
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* @return array |
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*/ |
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public function getArrayOption($key, array $default = []): array |
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{ |
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if (array_key_exists($key, $this->options)) { |
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return (array) $this->options[$key]; |
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} |
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return $default; |
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} |
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/** |
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* @return string |
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*/ |
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public function getRedirectUrl(): string |
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{ |
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return str_replace('${provider}', $this->getName(), $this->redirectUri); |
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} |
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/** |
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* Default parameters for auth url, can be redeclared inside implementation of the Provider |
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* |
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* @return array |
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*/ |
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public function getAuthUrlParameters(): array |
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{ |
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return $this->getArrayOption('auth.parameters', []); |
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} |
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/** |
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* @return string |
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*/ |
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abstract public function getBaseUri(); |
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/** |
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* Return Provider's name |
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* |
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* @return string |
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*/ |
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abstract public function getName(); |
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/** |
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* @param array $requestParameters |
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* @return \SocialConnect\Provider\AccessTokenInterface |
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*/ |
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abstract public function getAccessTokenByRequestParameters(array $requestParameters); |
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/** |
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* @return string |
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*/ |
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abstract public function makeAuthUrl(): string; |
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/** |
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* Get current user identity from social network by $accessToken |
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* |
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* @param AccessTokenInterface $accessToken |
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* @return \SocialConnect\Common\Entity\User |
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* |
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* @throws \Psr\Http\Client\ClientExceptionInterface |
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* @throws \SocialConnect\Provider\Exception\InvalidResponse |
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*/ |
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abstract public function getIdentity(AccessTokenInterface $accessToken); |
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/** |
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* @param RequestInterface $request |
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* @return ResponseInterface |
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* @throws InvalidResponse |
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* @throws \Psr\Http\Client\ClientExceptionInterface |
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*/ |
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protected function executeRequest(RequestInterface $request): ResponseInterface |
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{ |
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$response = $this->httpStack->sendRequest($request); |
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$statusCode = $response->getStatusCode(); |
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if (200 <= $statusCode && 300 > $statusCode) { |
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return $response; |
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} |
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throw new InvalidResponse( |
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'API response with error code', |
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$response |
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); |
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} |
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/** |
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* @param ResponseInterface $response |
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* @return array |
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* @throws InvalidResponse |
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*/ |
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protected function hydrateResponse(ResponseInterface $response): array |
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{ |
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$result = json_decode($response->getBody()->getContents(), true); |
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if (!$result) { |
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throw new InvalidResponse( |
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'API response is not a valid JSON object', |
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$response |
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); |
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} |
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return $result; |
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} |
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/** |
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* This is a lifecycle method, should be redeclared inside Provider when it's needed to mutate $query or $headers |
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* |
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* @param string $method |
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* @param string $uri |
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* @param array $headers |
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* @param array $query |
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* @param AccessTokenInterface|null $accessToken Null is needed to allow send request for not OAuth |
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*/ |
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public function prepareRequest(string $method, string $uri, array &$headers, array &$query, AccessTokenInterface $accessToken = null): void |
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{ |
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if ($accessToken) { |
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$query['access_token'] = $accessToken->getToken(); |
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} |
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} |
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/** |
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* @param string $method |
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* @param string $url |
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* @param array $query |
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* @param AccessTokenInterface|null $accessToken |
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* @param array|null $payload |
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* @return array |
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* @throws \Psr\Http\Client\ClientExceptionInterface |
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*/ |
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public function request(string $method, string $url, array $query, AccessTokenInterface $accessToken = null, array $payload = null) |
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{ |
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$headers = []; |
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$this->prepareRequest( |
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$method, |
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$this->getBaseUri() . $url, |
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$headers, |
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$query, |
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$accessToken |
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); |
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return $this->hydrateResponse( |
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$this->executeRequest( |
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$this->createRequest( |
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$method, |
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$this->getBaseUri() . $url, |
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$query, |
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$headers, |
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$payload |
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) |
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) |
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); |
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} |
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/** |
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* @return array |
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*/ |
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public function getScope() |
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{ |
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return $this->scope; |
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} |
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/** |
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* @param array $scope |
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*/ |
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public function setScope(array $scope) |
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{ |
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$this->scope = $scope; |
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} |
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/** |
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* @return string |
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*/ |
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public function getScopeInline() |
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{ |
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return implode(',', $this->scope); |
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} |
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/** |
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* @return \SocialConnect\Provider\Consumer |
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*/ |
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public function getConsumer() |
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{ |
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return $this->consumer; |
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} |
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/** |
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* @param string $method |
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* @param string $uri |
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* @param array $query |
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* @param array $headers |
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* @param array|null $payload |
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* @return RequestInterface |
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*/ |
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protected function createRequest(string $method, string $uri, array $query, array $headers, array $payload = null): RequestInterface |
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{ |
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$url = $uri; |
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if (count($query) > 0) { |
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$url .= '?' . http_build_query($query); |
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} |
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$request = $this->httpStack->createRequest($method, $url); |
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foreach ($headers as $k => $v) { |
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$request = $request->withHeader($k, $v); |
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} |
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$method = strtoupper($request->getMethod()); |
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$withPayload = $method === 'POST' || $method === 'PUT'; |
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if ($payload) { |
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if ($withPayload) { |
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$payloadAsString = http_build_query($payload); |
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$contentLength = mb_strlen($payloadAsString); |
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$request = $request |
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->withHeader('Content-Length', $contentLength) |
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->withHeader('Content-Type', 'application/x-www-form-urlencoded') |
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; |
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return $request->withBody( |
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$this->httpStack->createStream( |
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$payloadAsString |
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) |
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); |
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} |
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throw new InvalidRequest('You are not able to send payload on HTTP method without body'); |
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} |
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77 |
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return $request; |
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} |
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} |
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