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<?php |
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/* |
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* Copyright 2015 Alexey Maslov <[email protected]> |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace alxmsl\PaymentNinja; |
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use alxmsl\Network\Exception\HttpClientErrorCodeException; |
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use alxmsl\Network\Http\Request as HttpRequest; |
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use alxmsl\PaymentNinja\Error\ErrorException; |
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use alxmsl\PaymentNinja\Response\AbstractResponse; |
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use Closure; |
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use LogicException; |
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/** |
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* Class for API requests |
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* @author alxmsl |
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*/ |
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final class Request { |
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/** |
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* Payment.Ninja API endpoint |
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*/ |
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const ENDPOINT_URI = 'https://api.payment.ninja/v1'; |
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/** |
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* @var string API method name |
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*/ |
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private $method = ''; |
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/** |
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* @var array method call parameters |
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*/ |
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private $parameters = []; |
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/** |
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* @var Closure|null response builder function |
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*/ |
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private $ResponseBuilder = null; |
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/** |
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* @var int request timeout, seconds |
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*/ |
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private $timeout = 0; |
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/** |
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* @var array map that store relations between API and HTTP methods for requests |
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*/ |
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private static $methodMap = [ |
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'user/resolve' => HttpRequest::METHOD_POST, |
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'user/changeRecurring' => HttpRequest::METHOD_POST, |
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'user/cancelRecurring' => HttpRequest::METHOD_POST, |
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'card/getToken' => HttpRequest::METHOD_GET, |
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'card/process' => HttpRequest::METHOD_POST, |
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'card/authenticate' => HttpRequest::METHOD_POST, |
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'card/processRecurring' => HttpRequest::METHOD_POST, |
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]; |
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/** |
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* @param string $method API method name |
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* @param Closure $ResponseBuilder |
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* @param array $parameters method call parameters |
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* @param int $timeout request timeout, seconds |
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*/ |
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public function __construct($method, Closure $ResponseBuilder, array $parameters = [], $timeout = 10) { |
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$this->method = (string) $method; |
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$this->parameters = $parameters; |
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$this->ResponseBuilder = $ResponseBuilder; |
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$this->timeout = (int) $timeout; |
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} |
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/** |
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* Sign request |
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* @param string $publicKey public application key |
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* @param string $privateKey private application key |
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* @throws LogicException when parameters already signed |
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*/ |
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public function sign($publicKey, $privateKey) { |
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if (!array_key_exists('signature', $this->parameters)) { |
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$this->parameters = array_merge([ |
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'project' => (string) $publicKey, |
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], $this->parameters); |
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$this->parameters['signature'] = $this->signParameters($this->parameters, (string) $privateKey); |
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} else { |
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throw new LogicException('parameters already signed'); |
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} |
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} |
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/** |
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* Execute API method |
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* @codeCoverageIgnore |
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* @return AbstractResponse response instance |
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* @throws ErrorException if there is an API error |
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*/ |
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public function execute() { |
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$Request = $this->createRequest(); |
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try { |
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return $this->ResponseBuilder->__invoke($Request->send()); |
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} catch (HttpClientErrorCodeException $Ex) { |
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throw ErrorException::initializeByString($Ex->getMessage()); |
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} |
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} |
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/** |
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* Create HTTP request instance fr this API call |
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* @return HttpRequest HTTP request instance |
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*/ |
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private function createRequest() { |
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$HttpRequest = new HttpRequest(); |
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$HttpRequest->setTransport(HttpRequest::TRANSPORT_CURL); |
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$HttpRequest->setUrl(self::ENDPOINT_URI) |
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->setConnectTimeout(1) |
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->setTimeout($this->timeout) |
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->addUrlField($this->method) |
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->setMethod(self::$methodMap[$this->method]); |
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$this->appendParameters($HttpRequest); |
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return $HttpRequest; |
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} |
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/** |
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* Append parameters to HTTP request |
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* @param HttpRequest $HttpRequest HTTP request instance |
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*/ |
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private function appendParameters(HttpRequest $HttpRequest) { |
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switch ($HttpRequest->getMethod()) { |
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case HttpRequest::METHOD_GET: |
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foreach ($this->parameters as $field => $value) { |
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$HttpRequest->addGetField($field, $value); |
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} |
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break; |
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case HttpRequest::METHOD_POST: |
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$HttpRequest->setPostData($this->parameters); |
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break; |
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} |
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} |
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/** |
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* Calculates signature for incoming parameters |
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* @param array $parameters parameters |
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* @param string $privateKey private application key |
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* @return string signature |
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*/ |
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private function signParameters(array $parameters, $privateKey) { |
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sort($parameters, SORT_STRING); |
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return hash_hmac('sha256', join('|', $parameters), $privateKey); |
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} |
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} |
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alxmsl /
PaymentNinjaClient
