-}
-
-/**
- * HTTP request method uses fsockopen function to retrieve the url.
- *
- * This would be the preferred method, but the fsockopen implementation has the most overhead of all
- * the HTTP transport implementations.
- *
- * @package WordPress
- * @subpackage HTTP
- * @since 2.7.0
- */
-class WP_Http_Fsockopen {
- /**
- * Send a HTTP request to a URI using fsockopen().
- *
- * Does not support non-blocking mode.
- *
- * @see WP_Http::request For default options descriptions.
- *
- * @since 2.7
- * @access public
- * @param string $url URI resource.
- * @param str|array $args Optional. Override the defaults.
- * @return array 'headers', 'body', 'cookies' and 'response' keys.
- */
- function request($url, $args = array()) {
- $defaults = array(
- 'method' => 'GET', 'timeout' => 5,
- 'redirection' => 5, 'httpversion' => '1.0',
- 'blocking' => true,
- 'headers' => array(), 'body' => null, 'cookies' => array()
- );
-
- $r = wp_parse_args( $args, $defaults );
-
- if ( isset($r['headers']['User-Agent']) ) {
- $r['user-agent'] = $r['headers']['User-Agent'];
- unset($r['headers']['User-Agent']);
- } else if ( isset($r['headers']['user-agent']) ) {
- $r['user-agent'] = $r['headers']['user-agent'];
- unset($r['headers']['user-agent']);
- }
-
- // Construct Cookie: header if any cookies are set
- WP_Http::buildCookieHeader( $r );
-
- $iError = null; // Store error number
- $strError = null; // Store error string
-
- $arrURL = parse_url($url);
-
- $fsockopen_host = $arrURL['host'];
-
- $secure_transport = false;
-
- if ( ! isset( $arrURL['port'] ) ) {
- if ( ( $arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https' ) && extension_loaded('openssl') ) {
- $fsockopen_host = "ssl://$fsockopen_host";
- $arrURL['port'] = 443;
- $secure_transport = true;
- } else {
- $arrURL['port'] = 80;
- }
- }
-
- //fsockopen has issues with 'localhost' with IPv6 with certain versions of PHP, It attempts to connect to ::1,
- // which fails when the server is not set up for it. For compatibility, always connect to the IPv4 address.
- if ( 'localhost' == strtolower($fsockopen_host) )
- $fsockopen_host = '127.0.0.1';
-
- // There are issues with the HTTPS and SSL protocols that cause errors that can be safely
- // ignored and should be ignored.
- if ( true === $secure_transport )
- $error_reporting = error_reporting(0);
-
- $startDelay = time();
-
- $proxy = new WP_HTTP_Proxy();
-
- if ( !WP_DEBUG ) {
- if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) )
- $handle = @fsockopen( $proxy->host(), $proxy->port(), $iError, $strError, $r['timeout'] );
- else
- $handle = @fsockopen( $fsockopen_host, $arrURL['port'], $iError, $strError, $r['timeout'] );
- } else {
- if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) )
- $handle = fsockopen( $proxy->host(), $proxy->port(), $iError, $strError, $r['timeout'] );
- else
- $handle = fsockopen( $fsockopen_host, $arrURL['port'], $iError, $strError, $r['timeout'] );
- }
-
- $endDelay = time();
-
- // If the delay is greater than the timeout then fsockopen should't be used, because it will
- // cause a long delay.
- $elapseDelay = ($endDelay-$startDelay) > $r['timeout'];
- if ( true === $elapseDelay )
- add_option( 'disable_fsockopen', $endDelay, null, true );
-
- if ( false === $handle )
- return new WP_Error('http_request_failed', $iError . ': ' . $strError);
-
- $timeout = (int) floor( $r['timeout'] );
- $utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000;
- stream_set_timeout( $handle, $timeout, $utimeout );
-
- if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) ) //Some proxies require full URL in this field.
- $requestPath = $url;
- else
- $requestPath = $arrURL['path'] . ( isset($arrURL['query']) ? '?' . $arrURL['query'] : '' );
-
- if ( empty($requestPath) )
- $requestPath .= '/';
-
- $strHeaders = strtoupper($r['method']) . ' ' . $requestPath . ' HTTP/' . $r['httpversion'] . "\r\n";
-
- if ( $proxy->is_enabled() && $proxy->send_through_proxy( $url ) )
- $strHeaders .= 'Host: ' . $arrURL['host'] . ':' . $arrURL['port'] . "\r\n";
- else
- $strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n";
-
- if ( isset($r['user-agent']) )
- $strHeaders .= 'User-agent: ' . $r['user-agent'] . "\r\n";
-
- if ( is_array($r['headers']) ) {
- foreach ( (array) $r['headers'] as $header => $headerValue )
- $strHeaders .= $header . ': ' . $headerValue . "\r\n";
- } else {
- $strHeaders .= $r['headers'];
- }