mirror of
https://github.com/torrentpier/torrentpier-lts.git
synced 2025-03-01 15:21:02 +03:00
525 lines
17 KiB
PHP
525 lines
17 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Http\Client\Adapter;
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use Traversable;
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use Zend\Http\Client\Adapter\AdapterInterface as HttpAdapter;
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use Zend\Http\Client\Adapter\Exception as AdapterException;
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use Zend\Stdlib\ArrayUtils;
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/**
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* An adapter class for Zend\Http\Client based on the curl extension.
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* Curl requires libcurl. See for full requirements the PHP manual: http://php.net/curl
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*/
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class Curl implements HttpAdapter, StreamInterface
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{
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/**
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* Parameters array
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*
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* @var array
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*/
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protected $config = array();
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/**
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* What host/port are we connected to?
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*
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* @var array
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*/
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protected $connectedTo = array(null, null);
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/**
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* The curl session handle
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*
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* @var resource|null
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*/
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protected $curl = null;
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/**
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* List of cURL options that should never be overwritten
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*
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* @var array
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*/
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protected $invalidOverwritableCurlOptions;
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/**
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* Response gotten from server
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*
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* @var string
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*/
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protected $response = null;
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/**
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* Stream for storing output
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*
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* @var resource
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*/
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protected $outputStream;
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/**
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* Adapter constructor
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*
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* Config is set using setOptions()
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*
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* @throws AdapterException\InitializationException
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*/
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public function __construct()
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{
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if (!extension_loaded('curl')) {
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throw new AdapterException\InitializationException(
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'cURL extension has to be loaded to use this Zend\Http\Client adapter'
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);
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}
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$this->invalidOverwritableCurlOptions = array(
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CURLOPT_HTTPGET,
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CURLOPT_POST,
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CURLOPT_UPLOAD,
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CURLOPT_CUSTOMREQUEST,
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CURLOPT_HEADER,
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CURLOPT_RETURNTRANSFER,
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CURLOPT_HTTPHEADER,
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CURLOPT_INFILE,
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CURLOPT_INFILESIZE,
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CURLOPT_PORT,
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CURLOPT_MAXREDIRS,
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CURLOPT_CONNECTTIMEOUT,
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);
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}
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/**
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* Set the configuration array for the adapter
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*
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* @param array|Traversable $options
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* @return Curl
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* @throws AdapterException\InvalidArgumentException
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*/
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public function setOptions($options = array())
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{
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if ($options instanceof Traversable) {
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$options = ArrayUtils::iteratorToArray($options);
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}
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if (!is_array($options)) {
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throw new AdapterException\InvalidArgumentException(
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'Array or Traversable object expected, got ' . gettype($options)
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);
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}
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/** Config Key Normalization */
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foreach ($options as $k => $v) {
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unset($options[$k]); // unset original value
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$options[str_replace(array('-', '_', ' ', '.'), '', strtolower($k))] = $v; // replace w/ normalized
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}
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if (isset($options['proxyuser']) && isset($options['proxypass'])) {
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$this->setCurlOption(CURLOPT_PROXYUSERPWD, $options['proxyuser'] . ":" . $options['proxypass']);
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unset($options['proxyuser'], $options['proxypass']);
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}
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if (isset($options['sslverifypeer'])) {
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$this->setCurlOption(CURLOPT_SSL_VERIFYPEER, $options['sslverifypeer']);
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unset($options['sslverifypeer']);
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}
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foreach ($options as $k => $v) {
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$option = strtolower($k);
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switch ($option) {
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case 'proxyhost':
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$this->setCurlOption(CURLOPT_PROXY, $v);
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break;
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case 'proxyport':
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$this->setCurlOption(CURLOPT_PROXYPORT, $v);
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break;
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default:
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if (is_array($v) && isset($this->config[$option]) && is_array($this->config[$option])) {
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$v = ArrayUtils::merge($this->config[$option], $v);
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}
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$this->config[$option] = $v;
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break;
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}
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}
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return $this;
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}
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/**
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* Retrieve the array of all configuration options
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*
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* @return array
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*/
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public function getConfig()
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{
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return $this->config;
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}
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/**
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* Direct setter for cURL adapter related options.
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*
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* @param string|int $option
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* @param mixed $value
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* @return Curl
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*/
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public function setCurlOption($option, $value)
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{
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if (!isset($this->config['curloptions'])) {
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$this->config['curloptions'] = array();
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}
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$this->config['curloptions'][$option] = $value;
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return $this;
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}
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/**
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* Initialize curl
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*
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* @param string $host
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* @param int $port
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* @param bool $secure
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* @return void
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* @throws AdapterException\RuntimeException if unable to connect
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*/
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public function connect($host, $port = 80, $secure = false)
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{
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// If we're already connected, disconnect first
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if ($this->curl) {
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$this->close();
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}
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// Do the actual connection
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$this->curl = curl_init();
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if ($port != 80) {
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curl_setopt($this->curl, CURLOPT_PORT, intval($port));
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}
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if (isset($this->config['timeout'])) {
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if (defined('CURLOPT_CONNECTTIMEOUT_MS')) {
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curl_setopt($this->curl, CURLOPT_CONNECTTIMEOUT_MS, $this->config['timeout'] * 1000);
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} else {
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curl_setopt($this->curl, CURLOPT_CONNECTTIMEOUT, $this->config['timeout']);
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}
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if (defined('CURLOPT_TIMEOUT_MS')) {
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curl_setopt($this->curl, CURLOPT_TIMEOUT_MS, $this->config['timeout'] * 1000);
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} else {
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curl_setopt($this->curl, CURLOPT_TIMEOUT, $this->config['timeout']);
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}
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}
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if (isset($this->config['maxredirects'])) {
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// Set Max redirects
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curl_setopt($this->curl, CURLOPT_MAXREDIRS, $this->config['maxredirects']);
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}
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if (!$this->curl) {
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$this->close();
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throw new AdapterException\RuntimeException('Unable to Connect to ' . $host . ':' . $port);
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}
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if ($secure !== false) {
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// Behave the same like Zend\Http\Adapter\Socket on SSL options.
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if (isset($this->config['sslcert'])) {
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curl_setopt($this->curl, CURLOPT_SSLCERT, $this->config['sslcert']);
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}
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if (isset($this->config['sslpassphrase'])) {
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curl_setopt($this->curl, CURLOPT_SSLCERTPASSWD, $this->config['sslpassphrase']);
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}
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}
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// Update connected_to
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$this->connectedTo = array($host, $port);
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}
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/**
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* Send request to the remote server
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*
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* @param string $method
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* @param \Zend\Uri\Uri $uri
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* @param float $httpVersion
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* @param array $headers
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* @param string $body
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* @return string $request
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* @throws AdapterException\RuntimeException If connection fails, connected
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* to wrong host, no PUT file defined, unsupported method, or unsupported
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* cURL option.
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* @throws AdapterException\InvalidArgumentException if $method is currently not supported
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*/
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public function write($method, $uri, $httpVersion = 1.1, $headers = array(), $body = '')
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{
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// Make sure we're properly connected
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if (!$this->curl) {
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throw new AdapterException\RuntimeException("Trying to write but we are not connected");
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}
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if ($this->connectedTo[0] != $uri->getHost() || $this->connectedTo[1] != $uri->getPort()) {
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throw new AdapterException\RuntimeException("Trying to write but we are connected to the wrong host");
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}
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// set URL
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curl_setopt($this->curl, CURLOPT_URL, $uri->__toString());
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// ensure correct curl call
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$curlValue = true;
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switch ($method) {
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case 'GET':
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$curlMethod = CURLOPT_HTTPGET;
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break;
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case 'POST':
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$curlMethod = CURLOPT_POST;
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break;
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case 'PUT':
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// There are two different types of PUT request, either a Raw Data string has been set
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// or CURLOPT_INFILE and CURLOPT_INFILESIZE are used.
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if (is_resource($body)) {
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$this->config['curloptions'][CURLOPT_INFILE] = $body;
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}
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if (isset($this->config['curloptions'][CURLOPT_INFILE])) {
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// Now we will probably already have Content-Length set, so that we have to delete it
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// from $headers at this point:
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if (!isset($headers['Content-Length'])
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&& !isset($this->config['curloptions'][CURLOPT_INFILESIZE])
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) {
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throw new AdapterException\RuntimeException(
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'Cannot set a file-handle for cURL option CURLOPT_INFILE'
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. ' without also setting its size in CURLOPT_INFILESIZE.'
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);
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}
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if (isset($headers['Content-Length'])) {
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$this->config['curloptions'][CURLOPT_INFILESIZE] = (int) $headers['Content-Length'];
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unset($headers['Content-Length']);
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}
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if (is_resource($body)) {
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$body = '';
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}
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$curlMethod = CURLOPT_UPLOAD;
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} else {
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$curlMethod = CURLOPT_CUSTOMREQUEST;
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$curlValue = "PUT";
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}
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break;
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case 'PATCH':
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$curlMethod = CURLOPT_CUSTOMREQUEST;
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$curlValue = "PATCH";
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break;
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case 'DELETE':
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$curlMethod = CURLOPT_CUSTOMREQUEST;
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$curlValue = "DELETE";
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break;
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case 'OPTIONS':
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$curlMethod = CURLOPT_CUSTOMREQUEST;
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$curlValue = "OPTIONS";
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break;
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case 'TRACE':
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$curlMethod = CURLOPT_CUSTOMREQUEST;
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$curlValue = "TRACE";
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break;
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case 'HEAD':
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$curlMethod = CURLOPT_CUSTOMREQUEST;
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$curlValue = "HEAD";
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break;
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default:
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// For now, through an exception for unsupported request methods
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throw new AdapterException\InvalidArgumentException("Method '$method' currently not supported");
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}
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if (is_resource($body) && $curlMethod != CURLOPT_UPLOAD) {
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throw new AdapterException\RuntimeException("Streaming requests are allowed only with PUT");
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}
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// get http version to use
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$curlHttp = ($httpVersion == 1.1) ? CURL_HTTP_VERSION_1_1 : CURL_HTTP_VERSION_1_0;
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// mark as HTTP request and set HTTP method
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curl_setopt($this->curl, CURLOPT_HTTP_VERSION, $curlHttp);
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curl_setopt($this->curl, $curlMethod, $curlValue);
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if ($this->outputStream) {
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// headers will be read into the response
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curl_setopt($this->curl, CURLOPT_HEADER, false);
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curl_setopt($this->curl, CURLOPT_HEADERFUNCTION, array($this, "readHeader"));
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// and data will be written into the file
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curl_setopt($this->curl, CURLOPT_FILE, $this->outputStream);
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} else {
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// ensure headers are also returned
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curl_setopt($this->curl, CURLOPT_HEADER, true);
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// ensure actual response is returned
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curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, true);
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}
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// Treating basic auth headers in a special way
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if (array_key_exists('Authorization', $headers) && 'Basic' == substr($headers['Authorization'], 0, 5)) {
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curl_setopt($this->curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
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curl_setopt($this->curl, CURLOPT_USERPWD, base64_decode(substr($headers['Authorization'], 6)));
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unset($headers['Authorization']);
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}
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// set additional headers
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if (!isset($headers['Accept'])) {
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$headers['Accept'] = '';
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}
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$curlHeaders = array();
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foreach ($headers as $key => $value) {
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$curlHeaders[] = $key . ': ' . $value;
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}
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curl_setopt($this->curl, CURLOPT_HTTPHEADER, $curlHeaders);
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/**
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* Make sure POSTFIELDS is set after $curlMethod is set:
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* @link http://de2.php.net/manual/en/function.curl-setopt.php#81161
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*/
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if (in_array($method, array('POST', 'PUT', 'PATCH', 'DELETE', 'OPTIONS'), true)) {
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curl_setopt($this->curl, CURLOPT_POSTFIELDS, $body);
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} elseif ($curlMethod == CURLOPT_UPLOAD) {
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// this covers a PUT by file-handle:
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// Make the setting of this options explicit (rather than setting it through the loop following a bit lower)
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// to group common functionality together.
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curl_setopt($this->curl, CURLOPT_INFILE, $this->config['curloptions'][CURLOPT_INFILE]);
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curl_setopt($this->curl, CURLOPT_INFILESIZE, $this->config['curloptions'][CURLOPT_INFILESIZE]);
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unset($this->config['curloptions'][CURLOPT_INFILE]);
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unset($this->config['curloptions'][CURLOPT_INFILESIZE]);
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}
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// set additional curl options
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if (isset($this->config['curloptions'])) {
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foreach ((array) $this->config['curloptions'] as $k => $v) {
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if (!in_array($k, $this->invalidOverwritableCurlOptions)) {
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if (curl_setopt($this->curl, $k, $v) == false) {
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throw new AdapterException\RuntimeException(sprintf(
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'Unknown or erroreous cURL option "%s" set',
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$k
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));
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}
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}
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}
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}
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// send the request
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$response = curl_exec($this->curl);
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// if we used streaming, headers are already there
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if (!is_resource($this->outputStream)) {
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$this->response = $response;
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}
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$request = curl_getinfo($this->curl, CURLINFO_HEADER_OUT);
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$request .= $body;
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if (empty($this->response)) {
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throw new AdapterException\RuntimeException("Error in cURL request: " . curl_error($this->curl));
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}
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// separating header from body because it is dangerous to accidentially replace strings in the body
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$responseHeaderSize = curl_getinfo($this->curl, CURLINFO_HEADER_SIZE);
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$responseHeaders = substr($this->response, 0, $responseHeaderSize);
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// cURL automatically decodes chunked-messages, this means we have to
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// disallow the Zend\Http\Response to do it again.
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$responseHeaders = preg_replace("/Transfer-Encoding:\s*chunked\\r\\n/", "", $responseHeaders);
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// cURL can automatically handle content encoding; prevent double-decoding from occurring
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if (isset($this->config['curloptions'][CURLOPT_ENCODING])
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&& '' == $this->config['curloptions'][CURLOPT_ENCODING]
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) {
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$responseHeaders = preg_replace("/Content-Encoding:\s*gzip\\r\\n/", '', $responseHeaders);
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}
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// cURL automatically handles Proxy rewrites, remove the "HTTP/1.0 200 Connection established" string:
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$responseHeaders = preg_replace(
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"/HTTP\/1.0\s*200\s*Connection\s*established\\r\\n\\r\\n/",
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'',
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$responseHeaders
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);
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// replace old header with new, cleaned up, header
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$this->response = substr_replace($this->response, $responseHeaders, 0, $responseHeaderSize);
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// Eliminate multiple HTTP responses.
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do {
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$parts = preg_split('|(?:\r?\n){2}|m', $this->response, 2);
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$again = false;
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if (isset($parts[1]) && preg_match("|^HTTP/1\.[01](.*?)\r\n|mi", $parts[1])) {
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$this->response = $parts[1];
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$again = true;
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}
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} while ($again);
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return $request;
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}
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/**
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* Return read response from server
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*
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* @return string
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*/
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public function read()
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{
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return $this->response;
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}
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/**
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* Close the connection to the server
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*
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*/
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public function close()
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{
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if (is_resource($this->curl)) {
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curl_close($this->curl);
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}
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$this->curl = null;
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$this->connectedTo = array(null, null);
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}
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/**
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* Get cUrl Handle
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*
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* @return resource
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*/
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public function getHandle()
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{
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return $this->curl;
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}
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/**
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* Set output stream for the response
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*
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* @param resource $stream
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* @return Curl
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*/
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public function setOutputStream($stream)
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{
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$this->outputStream = $stream;
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return $this;
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}
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/**
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* Header reader function for CURL
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*
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* @param resource $curl
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* @param string $header
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* @return int
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*/
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public function readHeader($curl, $header)
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{
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$this->response .= $header;
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return strlen($header);
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}
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}
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