<h2>File Contents: /home/planet5/www/yogitonics.com/wp-includes/Requests/src/Proxy/Http.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/yogitonics.com/wp-includes/Requests/src/Proxy/Http.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
/**
 * HTTP Proxy connection interface
 *
 * @package Requests\Proxy
 * @since   1.6
 */

namespace WpOrg\Requests\Proxy;

use WpOrg\Requests\Exception\ArgumentCount;
use WpOrg\Requests\Exception\InvalidArgument;
use WpOrg\Requests\Hooks;
use WpOrg\Requests\Proxy;

/**
 * HTTP Proxy connection interface
 *
 * Provides a handler for connection via an HTTP proxy
 *
 * @package Requests\Proxy
 * @since   1.6
 */
final class Http implements Proxy {
	/**
	 * Proxy host and port
	 *
	 * Notation: &quot;host:port&quot; (eg 127.0.0.1:8080 or someproxy.com:3128)
	 *
	 * @var string
	 */
	public $proxy;

	/**
	 * Username
	 *
	 * @var string
	 */
	public $user;

	/**
	 * Password
	 *
	 * @var string
	 */
	public $pass;

	/**
	 * Do we need to authenticate? (ie username &amp; password have been provided)
	 *
	 * @var boolean
	 */
	public $use_authentication;

	/**
	 * Constructor
	 *
	 * @since 1.6
	 *
	 * @param array|string|null $args Proxy as a string or an array of proxy, user and password.
	 *                                When passed as an array, must have exactly one (proxy)
	 *                                or three elements (proxy, user, password).
	 *
	 * @throws \WpOrg\Requests\Exception\InvalidArgument When the passed argument is not an array, a string or null.
	 * @throws \WpOrg\Requests\Exception\ArgumentCount On incorrect number of arguments (`proxyhttpbadargs`)
	 */
	public function __construct($args = null) {
		if (is_string($args)) {
			$this-&gt;proxy = $args;
		} elseif (is_array($args)) {
			if (count($args) === 1) {
				list($this-&gt;proxy) = $args;
			} elseif (count($args) === 3) {
				list($this-&gt;proxy, $this-&gt;user, $this-&gt;pass) = $args;
				$this-&gt;use_authentication                    = true;
			} else {
				throw ArgumentCount::create(
					&#039;an array with exactly one element or exactly three elements&#039;,
					count($args),
					&#039;proxyhttpbadargs&#039;
				);
			}
		} elseif ($args !== null) {
			throw InvalidArgument::create(1, &#039;$args&#039;, &#039;array|string|null&#039;, gettype($args));
		}
	}

	/**
	 * Register the necessary callbacks
	 *
	 * @since 1.6
	 * @see \WpOrg\Requests\Proxy\Http::curl_before_send()
	 * @see \WpOrg\Requests\Proxy\Http::fsockopen_remote_socket()
	 * @see \WpOrg\Requests\Proxy\Http::fsockopen_remote_host_path()
	 * @see \WpOrg\Requests\Proxy\Http::fsockopen_header()
	 * @param \WpOrg\Requests\Hooks $hooks Hook system
	 */
	public function register(Hooks $hooks) {
		$hooks-&gt;register(&#039;curl.before_send&#039;, [$this, &#039;curl_before_send&#039;]);

		$hooks-&gt;register(&#039;fsockopen.remote_socket&#039;, [$this, &#039;fsockopen_remote_socket&#039;]);
		$hooks-&gt;register(&#039;fsockopen.remote_host_path&#039;, [$this, &#039;fsockopen_remote_host_path&#039;]);
		if ($this-&gt;use_authentication) {
			$hooks-&gt;register(&#039;fsockopen.after_headers&#039;, [$this, &#039;fsockopen_header&#039;]);
		}
	}

	/**
	 * Set cURL parameters before the data is sent
	 *
	 * @since 1.6
	 * @param resource|\CurlHandle $handle cURL handle
	 */
	public function curl_before_send(&amp;$handle) {
		curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
		curl_setopt($handle, CURLOPT_PROXY, $this-&gt;proxy);

		if ($this-&gt;use_authentication) {
			curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
			curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this-&gt;get_auth_string());
		}
	}

	/**
	 * Alter remote socket information before opening socket connection
	 *
	 * @since 1.6
	 * @param string $remote_socket Socket connection string
	 */
	public function fsockopen_remote_socket(&amp;$remote_socket) {
		$remote_socket = $this-&gt;proxy;
	}

	/**
	 * Alter remote path before getting stream data
	 *
	 * @since 1.6
	 * @param string $path Path to send in HTTP request string (&quot;GET ...&quot;)
	 * @param string $url Full URL we&#039;re requesting
	 */
	public function fsockopen_remote_host_path(&amp;$path, $url) {
		$path = $url;
	}

	/**
	 * Add extra headers to the request before sending
	 *
	 * @since 1.6
	 * @param string $out HTTP header string
	 */
	public function fsockopen_header(&amp;$out) {
		$out .= sprintf(&quot;Proxy-Authorization: Basic %s\r\n&quot;, base64_encode($this-&gt;get_auth_string()));
	}

	/**
	 * Get the authentication string (user:pass)
	 *
	 * @since 1.6
	 * @return string
	 */
	public function get_auth_string() {
		return $this-&gt;user . &#039;:&#039; . $this-&gt;pass;
	}
}
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