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<?php |
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/** |
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* @package s9e\TextFormatter |
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* @copyright Copyright (c) 2010-2016 The s9e Authors |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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*/ |
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namespace s9e\TextFormatter\Utils\Http\Clients; |
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use s9e\TextFormatter\Utils\Http\Client; |
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class Native extends Client |
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{ |
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/** |
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* @var bool Whether to use gzip encoding |
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*/ |
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public $gzipEnabled; |
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/** |
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* Constructor |
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*/ |
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public function __construct() |
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{ |
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$this->gzipEnabled = extension_loaded('zlib'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($url, $headers = []) |
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{ |
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return $this->request('GET', $url, $headers); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function post($url, $headers = [], $body = '') |
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{ |
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return $this->request('POST', $url, $headers, $body); |
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} |
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/** |
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* Create a stream context for given request |
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* |
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* @param string $method Request method |
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* @param string[] $headers Request headers |
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* @param string $body Request body |
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* @return resource |
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*/ |
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protected function createContext($method, array $headers, $body) |
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{ |
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$contextOptions = [ |
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'ssl' => ['verify_peer' => $this->sslVerifyPeer], |
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'http' => [ |
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'method' => $method, |
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'timeout' => $this->timeout, |
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'header' => $this->generateHeaders($headers, $body), |
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'content' => $body |
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] |
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]; |
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return stream_context_create($contextOptions); |
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} |
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/** |
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* Decompress given page if applicable |
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* |
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* @param string $content Response body, potentially compressed |
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* @return string Response body, uncompressed |
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*/ |
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protected function decompress($content) |
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{ |
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if ($this->gzipEnabled && substr($content, 0, 2) === "\x1f\x8b") |
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{ |
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return gzdecode($content); |
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} |
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return $content; |
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} |
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/** |
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* Generate a list of headers for given request |
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* |
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* @param string[] $headers Request headers |
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* @param string $body Request body |
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* @return string[] |
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*/ |
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protected function generateHeaders(array $headers, $body) |
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{ |
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if ($this->gzipEnabled) |
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{ |
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$headers[] = 'Accept-Encoding: gzip'; |
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} |
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$headers[] = 'Content-Length: ' . strlen($body); |
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return $headers; |
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} |
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/** |
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* Execute an HTTP request |
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* |
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* @param string $method Request method |
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* @param string $url Request URL |
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* @param string[] $headers Request headers |
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* @return string|bool Response body or FALSE |
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*/ |
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protected function request($method, $url, $headers, $body = '') |
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{ |
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$response = @file_get_contents($url, false, $this->createContext($method, $headers, $body)); |
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return (is_string($response)) ? $this->decompress($response) : $response; |
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} |
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} |
s9e /
TextFormatter
