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<?php |
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/** |
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* This file is part of the PHP SDK library for the Superdesk Content API. |
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* |
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* Copyright 2015 Sourcefabric z.u. and contributors. |
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* |
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* For the full copyright and license information, please see the |
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* AUTHORS and LICENSE files distributed with this source code. |
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* |
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* @copyright 2015 Sourcefabric z.ú. |
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* @license http://www.superdesk.org/license |
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*/ |
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namespace Superdesk\ContentApiSdk\Client; |
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use Superdesk\ContentApiSdk\ContentApiSdk; |
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use Superdesk\ContentApiSdk\Exception\ClientException; |
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/** |
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* Request service that implements functionality for basic http requests using |
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* curl. |
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*/ |
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class CurlClient implements ClientInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function makeCall( |
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$url, |
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array $headers = array(), |
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array $options = array(), |
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$method = 'GET', |
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$content = null |
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) { |
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$curlOptions = array( |
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CURLOPT_URL => $url, |
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CURLOPT_HTTPHEADER => $this->processRequestHeaders($headers), |
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CURLOPT_FOLLOWLOCATION => true, |
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CURLOPT_HEADER => true, |
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CURLOPT_TIMEOUT => 30, |
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CURLOPT_USERAGENT => ContentApiSdk::USERAGENT, |
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CURLOPT_RETURNTRANSFER => true, |
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); |
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if (strtoupper($method) == 'POST') { |
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$curlOptions[CURLOPT_POST] = true; |
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$curlOptions[CURLOPT_POSTFIELDS] = $content; |
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} |
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$curlHandler = curl_init(); |
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if (!$curlHandler) { |
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throw new ClientException('Could not instantiate cURL.'); |
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} |
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curl_setopt_array($curlHandler, $curlOptions); |
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$response = curl_exec($curlHandler); |
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if ($response === false) { |
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throw new ClientException(sprintf('%s (%s)', 'A cURL error occured.', curl_error($curlHandler)), curl_errno($curlHandler)); |
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} |
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$header_size = curl_getinfo($curlHandler, CURLINFO_HEADER_SIZE); |
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$responseArray = array( |
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'headers' => $this->parseHttpHeaders(mb_substr($response, 0, $header_size)), |
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'status' => (int) curl_getinfo($curlHandler, CURLINFO_HTTP_CODE), |
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'body' => (mb_strlen($response) > $header_size) ? mb_substr($response, $header_size) : '' |
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); |
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curl_close($curlHandler); |
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return $responseArray; |
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} |
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/** |
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* Parse header string from Curl request and returns an array. Based on: |
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* http://php.net/manual/en/function.http-parse-headers.php#112986 |
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* http://php.net/manual/en/function.http-parse-headers.php#112987 |
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* |
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* @param string $headerString |
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* |
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* @return array |
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*/ |
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private function parseHttpHeaders($headerString) |
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{ |
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$headers = array(); |
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$key = ''; |
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foreach (explode("\n", $headerString) as $i => $h) { |
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$h = explode(':', $h, 2); |
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if (isset($h[1])) { |
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if (!isset($headers[$h[0]])) { |
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$headers[$h[0]] = trim($h[1]); |
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} elseif (is_array($headers[$h[0]])) { |
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$headers[$h[0]] = array_merge($headers[$h[0]], array(trim($h[1]))); |
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} else { |
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$headers[$h[0]] = array_merge(array($headers[$h[0]]), array(trim($h[1]))); |
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} |
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$key = $h[0]; |
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} else { |
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if (substr($h[0], 0, 1) == "\t") { |
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$headers[$key] .= "\r\n\t" . trim($h[0]); |
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} elseif (!$key) { |
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$headers[0] = trim($h[0]); |
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} |
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} |
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} |
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return $headers; |
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} |
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/** |
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* Convert headers in key => value format, to cURL accepted header format. |
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* |
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* @param string[] $headers Headers in key => value format, if key is |
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* numeric only the value will be stored in the |
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* new array. |
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* |
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* @return string[] |
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*/ |
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private function processRequestHeaders(array $headers) |
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{ |
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$curlHeaders = array(); |
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foreach ($headers as $name => $value) { |
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if (!is_numeric($name)) { |
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$header = sprintf('%s: %s', $name, $value); |
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} else { |
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$header = $value; |
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} |
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$curlHeaders[] = $header; |
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} |
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return $curlHeaders; |
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} |
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} |
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superdesk /
contentapi-sdk-php
