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<?php |
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/** |
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* Copyright (c) 2015-2016 WePay. |
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* |
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* http://opensource.org/licenses/Apache2.0 |
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*/ |
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namespace WePay\Signer; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Skyzyx\Signer\Signer as WrappedSigner; |
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use Skyzyx\Signer\SignerInterface; |
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/** |
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* @see Skyzyx\Signer\Signer |
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*/ |
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class Signer implements SignerInterface, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/**************************************************************************/ |
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// PROPERTIES |
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/** @var string */ |
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private $self_key; |
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/** @var string */ |
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private $client_id; |
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/** @var string */ |
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private $client_secret; |
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/** @var string */ |
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private $hash_algo; |
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/** @var \Skyzyx\Signer\Signer */ |
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private $signer; |
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/**************************************************************************/ |
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// PUBLIC METHODS |
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/** |
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* Constructs a new instance of this class. |
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* |
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* @param string $client_id A string which is the public portion of the keypair identifying the client party. |
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* The pairing of the public and private portions of the keypair should only be known |
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* to the client party and the signing party. |
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* @param string $client_secret A string which is the private portion of the keypair identifying the client party. |
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* The pairing of the public and private portions of the keypair should only be known |
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* to the client party and the signing party. |
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* @see http://php.net/hash_algos |
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*/ |
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public function __construct($client_id, $client_secret) |
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{ |
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$this->self_key = 'WePay'; |
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$this->client_id = $client_id; |
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$this->client_secret = $client_secret; |
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$this->hash_algo = 'sha512'; |
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$this->signer = new WrappedSigner( |
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$this->self_key, |
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$this->client_id, |
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$this->client_secret, |
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$this->hash_algo |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSelfKey() |
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{ |
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/** @var string */ |
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return $this->signer->getSelfKey(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getClientId() |
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{ |
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/** @var string */ |
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return $this->signer->getClientId(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getClientSecret() |
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{ |
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/** @var string */ |
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return $this->signer->getClientSecret(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function sign(array $payload) |
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{ |
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$payload = array_merge($payload, [ |
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'client_id' => $this->getClientId(), |
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'client_secret' => $this->getClientSecret(), |
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]); |
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return $this->signer->sign($payload); |
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} |
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/** |
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* Signs and generates the query string URL parameters to use when making a request. |
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* |
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* If the `client_secret` key is provided, then it will be automatically excluded from the result. |
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* |
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* @param array $payload The data to generate a signature for. |
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* @return string The query string parameters to append to the end of a URL. |
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*/ |
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public function generateQueryStringParams(array $payload) |
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{ |
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$token = $this->sign($payload); |
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// Explicitly remove the client_secret if they accidentally passed it. |
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if (isset($payload['client_secret'])) { |
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unset($payload['client_secret']); |
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} |
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$payload['client_id'] = $this->getClientId(); |
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$payload['stoken'] = $token; |
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ksort($payload); |
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return http_build_query($payload, '', '&'); |
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} |
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} |
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wepay /
signer-php
