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<?php |
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namespace Artstorm\MonkeyLearn\HttpClient; |
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class HttpClient implements HttpClientInterface |
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{ |
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/** |
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* Client config. |
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* |
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* @var array |
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*/ |
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protected $config; |
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/** |
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* Headers returned in the response. |
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* |
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* @var array |
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*/ |
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protected $responseHeaders = []; |
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/** |
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* Assign dependencies. |
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* |
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* @param array $config |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->config = $config; |
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} |
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/** |
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* Adds an option to config options array |
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* |
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* @param string $option |
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* |
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* @return void |
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*/ |
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public function addConfigOption($option) |
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{ |
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$this->config['options'][] = $option; |
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} |
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/** |
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* Make a POST request. |
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* |
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* @param string $path |
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* @param mixed $body |
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* @param array $headers |
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* |
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* @return Request |
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*/ |
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public function post($path, $body = null, array $headers = []) |
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{ |
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return $this->request($path, $body, 'POST', $headers); |
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} |
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/** |
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* Send request with HTTP client. |
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* |
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* @param string $path |
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* @param mixed $body |
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* @param string $method |
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* @param array $headers |
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* |
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* @return Response |
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*/ |
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protected function request($path, $body = null, $method = 'GET', array $headers = []) |
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{ |
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$request = $this->createRequest($method, $path, $body, $headers); |
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$response = $this->send($request); |
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return $response; |
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} |
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/** |
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* Create request with HTTP client. |
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* |
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* @param string $method |
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* @param string $path |
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* @param mixed $body |
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* @param array $headers |
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* |
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* @return Request |
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*/ |
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protected function createRequest($method, $path, $body = null, array $headers = []) |
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{ |
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$defaultHeaders = isset($this->config['headers']) ? $this->config['headers'] : []; |
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return new Request( |
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$method, |
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$path, |
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array_merge($defaultHeaders, $headers), |
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$body |
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); |
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} |
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/** |
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* Send the request. |
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* |
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* @param Request $request |
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* |
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* @return Response |
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*/ |
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public function send(Request $request) |
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{ |
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$client = new CurlClient; |
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$client->setOption(CURLOPT_URL, $this->buildUri($request->getPath())); |
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$client->setOption(CURLOPT_RETURNTRANSFER, true); |
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$client->setOption(CURLOPT_HTTPHEADER, $this->getRequestHeaders($request)); |
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$client->setOption(CURLOPT_POST, true); |
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$client->setOption(CURLOPT_POSTFIELDS, $request->getBody()); |
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$client->setOption(CURLOPT_HEADERFUNCTION, [&$this, 'headerCallback']); |
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if (!$result = $client->execute()) { |
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$result = 'cURL Error: '.$client->error(); |
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} |
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$client->close(); |
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return new Response(200, $this->responseHeaders, $result); |
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} |
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/** |
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* Callback to store response headers. |
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* |
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* @param resource $curl |
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* @param string $header |
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* |
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* @return int |
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*/ |
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public function headerCallback($curl, $header) |
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{ |
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$pair = explode(': ', $header); |
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// We're only interested in the headers that forms a pair |
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if (count($pair) == 2) { |
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$this->responseHeaders[reset($pair)] = end($pair); |
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} |
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return strlen($header); |
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} |
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/** |
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* Prepare the request headers to be sent. |
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* |
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* @param Request $request |
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* @param array $headers |
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* |
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* @return array |
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*/ |
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4 |
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protected function getRequestHeaders(Request $request, array $headers = []) |
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{ |
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foreach ($request->getHeaders() as $key => $value) { |
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array_push($headers, sprintf('%s: %s', $key, $value)); |
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} |
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return $headers; |
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} |
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/** |
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* Build uri with possible base uri. |
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* |
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* @param string $uri |
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* |
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* @return string |
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*/ |
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protected function buildUri($uri) |
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{ |
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// Prepare any existing options |
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if (array_key_exists('options', $this->config)) { |
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4 |
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$options = []; |
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foreach ($this->config['options'] as $option) { |
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$options[$option] = '1'; |
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} |
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// Append options as querystring |
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$query = http_build_query($options); |
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$uri = $uri.'?'.$query; |
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} |
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if (isset($this->config['base_uri'])) { |
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return $this->config['base_uri'].$uri; |
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} |
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return $uri; |
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} |
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} |
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artstorm /
monkeylearn-api-php
