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<?php |
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namespace Elastica\Transport; |
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use Aws\Credentials\CredentialProvider; |
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use Aws\Credentials\Credentials; |
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use Aws\Signature\SignatureV4; |
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use Elastica\Connection; |
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use Elastica\Request; |
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use GuzzleHttp; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\HandlerStack; |
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use GuzzleHttp\Middleware; |
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use Psr\Http\Message\RequestInterface; |
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class AwsAuthV4 extends Guzzle |
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{ |
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protected function _getGuzzleClient($baseUrl, $persistent = true, Request $request) |
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{ |
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if (!$persistent || !self::$_guzzleClientConnection) { |
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$stack = HandlerStack::create(GuzzleHttp\choose_handler()); |
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$stack->push($this->getSigningMiddleware(), 'sign'); |
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self::$_guzzleClientConnection = new Client([ |
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'base_uri' => $baseUrl, |
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'handler' => $stack, |
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'headers' => [ |
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'Content-Type' => $request->getContentType(), |
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], |
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]); |
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} |
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return self::$_guzzleClientConnection; |
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} |
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protected function _getBaseUrl(Connection $connection) |
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{ |
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$this->initializePortAndScheme(); |
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return parent::_getBaseUrl($connection); |
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} |
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private function getSigningMiddleware() |
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{ |
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$region = $this->getConnection()->hasParam('aws_region') |
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? $this->getConnection()->getParam('aws_region') |
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: getenv('AWS_REGION'); |
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$signer = new SignatureV4('es', $region); |
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$credProvider = $this->getCredentialProvider(); |
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return Middleware::mapRequest(function (RequestInterface $req) use ( |
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$signer, |
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$credProvider |
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) { |
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return $signer->signRequest($req, $credProvider()->wait()); |
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}); |
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} |
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private function getCredentialProvider() |
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{ |
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$connection = $this->getConnection(); |
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if ($connection->hasParam('aws_secret_access_key')) { |
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return CredentialProvider::fromCredentials(new Credentials( |
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$connection->getParam('aws_access_key_id'), |
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$connection->getParam('aws_secret_access_key'), |
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$connection->hasParam('aws_session_token') |
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? $connection->getParam('aws_session_token') |
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: null |
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)); |
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} |
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return CredentialProvider::defaultProvider(); |
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} |
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private function initializePortAndScheme() |
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{ |
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$connection = $this->getConnection(); |
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if (true === $this->isSslRequired($connection)) { |
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$this->_scheme = 'https'; |
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$connection->setPort(443); |
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} else { |
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$this->_scheme = 'http'; |
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$connection->setPort(80); |
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} |
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} |
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/** |
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* @param Connection $conn |
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* @param bool $default |
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* |
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* @return bool |
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*/ |
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private function isSslRequired(Connection $conn, $default = false) |
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{ |
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return $conn->hasParam('ssl') |
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? (bool) $conn->getParam('ssl') |
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: $default; |
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} |
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} |
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ruflin /
Elastica
