예제 #1
0
파일: http.php 프로젝트: steveh/wordpress
 /**
  * Send a HTTP request to a URI using streams with fopen().
  *
  * @access public
  * @since 2.7.0
  *
  * @param string $url
  * @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);
     $arrURL = parse_url($url);
     if (false === $arrURL) {
         return new WP_Error('http_request_failed', sprintf(__('Malformed URL: %s'), $url));
     }
     if ('http' != $arrURL['scheme'] && 'https' != $arrURL['scheme']) {
         $url = preg_replace('|^' . preg_quote($arrURL['scheme'], '|') . '|', 'http', $url);
     }
     // Convert Header array to string.
     $strHeaders = '';
     if (is_array($r['headers'])) {
         foreach ($r['headers'] as $name => $value) {
             $strHeaders .= "{$name}: {$value}\r\n";
         }
     } else {
         if (is_string($r['headers'])) {
             $strHeaders = $r['headers'];
         }
     }
     $is_local = isset($args['local']) && $args['local'];
     $ssl_verify = isset($args['sslverify']) && $args['sslverify'];
     if ($is_local) {
         $ssl_verify = apply_filters('https_local_ssl_verify', $ssl_verify);
     } elseif (!$is_local) {
         $ssl_verify = apply_filters('https_ssl_verify', $ssl_verify);
     }
     $arrContext = array('http' => array('method' => strtoupper($r['method']), 'user_agent' => $r['user-agent'], 'max_redirects' => $r['redirection'], 'protocol_version' => (double) $r['httpversion'], 'header' => $strHeaders, 'timeout' => $r['timeout'], 'ssl' => array('verify_peer' => $ssl_verify, 'verify_host' => $ssl_verify)));
     $proxy = new WP_HTTP_Proxy();
     if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
         $arrContext['http']['proxy'] = 'tcp://' . $proxy->host() . ':' . $proxy->port();
         $arrContext['http']['request_fulluri'] = true;
         // We only support Basic authentication so this will only work if that is what your proxy supports.
         if ($proxy->use_authentication()) {
             $arrContext['http']['header'] .= $proxy->authentication_header() . "\r\n";
         }
     }
     if (!is_null($r['body']) && !empty($r['body'])) {
         $arrContext['http']['content'] = $r['body'];
     }
     $context = stream_context_create($arrContext);
     if (!WP_DEBUG) {
         $handle = @fopen($url, 'r', false, $context);
     } else {
         $handle = fopen($url, 'r', false, $context);
     }
     if (!$handle) {
         return new WP_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $url));
     }
     // WordPress supports PHP 4.3, which has this function. Removed sanity checking for
     // performance reasons.
     stream_set_timeout($handle, $r['timeout']);
     if (!$r['blocking']) {
         stream_set_blocking($handle, 0);
         fclose($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
     }
     $strResponse = stream_get_contents($handle);
     $meta = stream_get_meta_data($handle);
     fclose($handle);
     $processedHeaders = array();
     if (isset($meta['wrapper_data']['headers'])) {
         $processedHeaders = WP_Http::processHeaders($meta['wrapper_data']['headers']);
     } else {
         $processedHeaders = WP_Http::processHeaders($meta['wrapper_data']);
     }
     if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) {
         $strResponse = WP_Http::chunkTransferDecode($strResponse);
     }
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($processedHeaders['headers'])) {
         $strResponse = WP_Http_Encoding::decompress($strResponse);
     }
     return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response'], 'cookies' => $processedHeaders['cookies']);
 }
예제 #2
0
 /**
  * Send a HTTP request to a URI using PHP Streams.
  *
  * @see WP_Http::request For default options descriptions.
  *
  * @since 2.7.0
  * @since 3.7.0 Combined with the fsockopen transport and switched to stream_socket_client().
  *
  * @access public
  * @param string $url The request URL.
  * @param string|array $args Optional. Override the defaults.
  * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'. A WP_Error instance upon error
  */
 public function request($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']);
     } elseif (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);
     $arrURL = parse_url($url);
     $connect_host = $arrURL['host'];
     $secure_transport = $arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https';
     if (!isset($arrURL['port'])) {
         if ($arrURL['scheme'] == 'ssl' || $arrURL['scheme'] == 'https') {
             $arrURL['port'] = 443;
             $secure_transport = true;
         } else {
             $arrURL['port'] = 80;
         }
     }
     // Always pass a Path, defaulting to the root in cases such as http://example.com
     if (!isset($arrURL['path'])) {
         $arrURL['path'] = '/';
     }
     if (isset($r['headers']['Host']) || isset($r['headers']['host'])) {
         if (isset($r['headers']['Host'])) {
             $arrURL['host'] = $r['headers']['Host'];
         } else {
             $arrURL['host'] = $r['headers']['host'];
         }
         unset($r['headers']['Host'], $r['headers']['host']);
     }
     /*
      * Certain versions of PHP have issues with 'localhost' and IPv6, It attempts to connect
      * to ::1, which fails when the server is not set up for it. For compatibility, always
      * connect to the IPv4 address.
      */
     if ('localhost' == strtolower($connect_host)) {
         $connect_host = '127.0.0.1';
     }
     $connect_host = $secure_transport ? 'ssl://' . $connect_host : 'tcp://' . $connect_host;
     $is_local = isset($r['local']) && $r['local'];
     $ssl_verify = isset($r['sslverify']) && $r['sslverify'];
     if ($is_local) {
         /**
          * Filter whether SSL should be verified for local requests.
          *
          * @since 2.8.0
          *
          * @param bool $ssl_verify Whether to verify the SSL connection. Default true.
          */
         $ssl_verify = apply_filters('https_local_ssl_verify', $ssl_verify);
     } elseif (!$is_local) {
         /**
          * Filter whether SSL should be verified for non-local requests.
          *
          * @since 2.8.0
          *
          * @param bool $ssl_verify Whether to verify the SSL connection. Default true.
          */
         $ssl_verify = apply_filters('https_ssl_verify', $ssl_verify);
     }
     $proxy = new WP_HTTP_Proxy();
     $context = stream_context_create(array('ssl' => array('verify_peer' => $ssl_verify, 'capture_peer_cert' => $ssl_verify, 'SNI_enabled' => true, 'cafile' => $r['sslcertificates'], 'allow_self_signed' => !$ssl_verify)));
     $timeout = (int) floor($r['timeout']);
     $utimeout = $timeout == $r['timeout'] ? 0 : 1000000 * $r['timeout'] % 1000000;
     $connect_timeout = max($timeout, 1);
     // Store error number.
     $connection_error = null;
     // Store error string.
     $connection_error_str = null;
     if (!WP_DEBUG) {
         // In the event that the SSL connection fails, silence the many PHP Warnings.
         if ($secure_transport) {
             $error_reporting = error_reporting(0);
         }
         if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
             $handle = @stream_socket_client('tcp://' . $proxy->host() . ':' . $proxy->port(), $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
         } else {
             $handle = @stream_socket_client($connect_host . ':' . $arrURL['port'], $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
         }
         if ($secure_transport) {
             error_reporting($error_reporting);
         }
     } else {
         if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
             $handle = stream_socket_client('tcp://' . $proxy->host() . ':' . $proxy->port(), $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
         } else {
             $handle = stream_socket_client($connect_host . ':' . $arrURL['port'], $connection_error, $connection_error_str, $connect_timeout, STREAM_CLIENT_CONNECT, $context);
         }
     }
     if (false === $handle) {
         // SSL connection failed due to expired/invalid cert, or, OpenSSL configuration is broken.
         if ($secure_transport && 0 === $connection_error && '' === $connection_error_str) {
             return new WP_Error('http_request_failed', __('The SSL certificate for the host could not be verified.'));
         }
         return new WP_Error('http_request_failed', $connection_error . ': ' . $connection_error_str);
     }
     // Verify that the SSL certificate is valid for this request.
     if ($secure_transport && $ssl_verify && !$proxy->is_enabled()) {
         if (!self::verify_ssl_certificate($handle, $arrURL['host'])) {
             return new WP_Error('http_request_failed', __('The SSL certificate for the host could not be verified.'));
         }
     }
     stream_set_timeout($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'] : '');
     }
     $strHeaders = strtoupper($r['method']) . ' ' . $requestPath . ' HTTP/' . $r['httpversion'] . "\r\n";
     $include_port_in_host_header = $proxy->is_enabled() && $proxy->send_through_proxy($url) || 'http' == $arrURL['scheme'] && 80 != $arrURL['port'] || 'https' == $arrURL['scheme'] && 443 != $arrURL['port'];
     if ($include_port_in_host_header) {
         $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 .= $r['headers'];
     }
     if ($proxy->use_authentication()) {
         $strHeaders .= $proxy->authentication_header() . "\r\n";
     }
     $strHeaders .= "\r\n";
     if (!is_null($r['body'])) {
         $strHeaders .= $r['body'];
     }
     fwrite($handle, $strHeaders);
     if (!$r['blocking']) {
         stream_set_blocking($handle, 0);
         fclose($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
     }
     $strResponse = '';
     $bodyStarted = false;
     $keep_reading = true;
     $block_size = 4096;
     if (isset($r['limit_response_size'])) {
         $block_size = min($block_size, $r['limit_response_size']);
     }
     // If streaming to a file setup the file handle.
     if ($r['stream']) {
         if (!WP_DEBUG) {
             $stream_handle = @fopen($r['filename'], 'w+');
         } else {
             $stream_handle = fopen($r['filename'], 'w+');
         }
         if (!$stream_handle) {
             return new WP_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $r['filename']));
         }
         $bytes_written = 0;
         while (!feof($handle) && $keep_reading) {
             $block = fread($handle, $block_size);
             if (!$bodyStarted) {
                 $strResponse .= $block;
                 if (strpos($strResponse, "\r\n\r\n")) {
                     $process = WP_Http::processResponse($strResponse);
                     $bodyStarted = true;
                     $block = $process['body'];
                     unset($strResponse);
                     $process['body'] = '';
                 }
             }
             $this_block_size = strlen($block);
             if (isset($r['limit_response_size']) && $bytes_written + $this_block_size > $r['limit_response_size']) {
                 $this_block_size = $r['limit_response_size'] - $bytes_written;
                 $block = substr($block, 0, $this_block_size);
             }
             $bytes_written_to_file = fwrite($stream_handle, $block);
             if ($bytes_written_to_file != $this_block_size) {
                 fclose($handle);
                 fclose($stream_handle);
                 return new WP_Error('http_request_failed', __('Failed to write request to temporary file.'));
             }
             $bytes_written += $bytes_written_to_file;
             $keep_reading = !isset($r['limit_response_size']) || $bytes_written < $r['limit_response_size'];
         }
         fclose($stream_handle);
     } else {
         $header_length = 0;
         while (!feof($handle) && $keep_reading) {
             $block = fread($handle, $block_size);
             $strResponse .= $block;
             if (!$bodyStarted && strpos($strResponse, "\r\n\r\n")) {
                 $header_length = strpos($strResponse, "\r\n\r\n") + 4;
                 $bodyStarted = true;
             }
             $keep_reading = !$bodyStarted || !isset($r['limit_response_size']) || strlen($strResponse) < $header_length + $r['limit_response_size'];
         }
         $process = WP_Http::processResponse($strResponse);
         unset($strResponse);
     }
     fclose($handle);
     $arrHeaders = WP_Http::processHeaders($process['headers'], $url);
     $response = array('headers' => $arrHeaders['headers'], 'body' => null, 'response' => $arrHeaders['response'], 'cookies' => $arrHeaders['cookies'], 'filename' => $r['filename']);
     // Handle redirects.
     if (false !== ($redirect_response = WP_HTTP::handle_redirects($url, $r, $response))) {
         return $redirect_response;
     }
     // If the body was chunk encoded, then decode it.
     if (!empty($process['body']) && isset($arrHeaders['headers']['transfer-encoding']) && 'chunked' == $arrHeaders['headers']['transfer-encoding']) {
         $process['body'] = WP_Http::chunkTransferDecode($process['body']);
     }
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($arrHeaders['headers'])) {
         $process['body'] = WP_Http_Encoding::decompress($process['body']);
     }
     if (isset($r['limit_response_size']) && strlen($process['body']) > $r['limit_response_size']) {
         $process['body'] = substr($process['body'], 0, $r['limit_response_size']);
     }
     $response['body'] = $process['body'];
     return $response;
 }
예제 #3
0
파일: http.php 프로젝트: blowery/wordpress
 /**
  * Send a HTTP request to a URI using streams with fopen().
  *
  * @access public
  * @since 2.7.0
  *
  * @param string $url
  * @param str|array $args Optional. Override the defaults.
  * @return array 'headers', 'body', and 'response' keys.
  */
 function request($url, $args = array())
 {
     $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null);
     $r = wp_parse_args($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']);
         }
     }
     $arrURL = parse_url($url);
     if (false === $arrURL) {
         return new WP_Error('http_request_failed', sprintf(__('Malformed URL: %s'), $url));
     }
     if ('http' != $arrURL['scheme'] && 'https' != $arrURL['scheme']) {
         $url = str_replace($arrURL['scheme'], 'http', $url);
     }
     // Convert Header array to string.
     $strHeaders = '';
     if (is_array($r['headers'])) {
         foreach ($r['headers'] as $name => $value) {
             $strHeaders .= "{$name}: {$value}\r\n";
         }
     } else {
         if (is_string($r['headers'])) {
             $strHeaders = $r['headers'];
         }
     }
     $arrContext = array('http' => array('method' => strtoupper($r['method']), 'user_agent' => $r['user-agent'], 'max_redirects' => $r['redirection'], 'protocol_version' => (double) $r['httpversion'], 'header' => $strHeaders, 'timeout' => $r['timeout']));
     if (!is_null($r['body']) && !empty($r['body'])) {
         $arrContext['http']['content'] = $r['body'];
     }
     $context = stream_context_create($arrContext);
     if (!defined('WP_DEBUG') || defined('WP_DEBUG') && false === WP_DEBUG) {
         $handle = @fopen($url, 'r', false, $context);
     } else {
         $handle = fopen($url, 'r', false, $context);
     }
     if (!$handle) {
         return new WP_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $url));
     }
     // WordPress supports PHP 4.3, which has this function. Removed sanity
     // checking for performance reasons.
     stream_set_timeout($handle, $r['timeout']);
     if (!$r['blocking']) {
         stream_set_blocking($handle, 0);
         fclose($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code', 'message'));
     }
     $strResponse = stream_get_contents($handle);
     $meta = stream_get_meta_data($handle);
     fclose($handle);
     $processedHeaders = array();
     if (isset($meta['wrapper_data']['headers'])) {
         $processedHeaders = WP_Http::processHeaders($meta['wrapper_data']['headers']);
     } else {
         $processedHeaders = WP_Http::processHeaders($meta['wrapper_data']);
     }
     if (!empty($strResponse) && isset($processedHeaders['headers']['transfer-encoding']) && 'chunked' == $processedHeaders['headers']['transfer-encoding']) {
         $strResponse = WP_Http::chunkTransferDecode($strResponse);
     }
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($processedHeaders)) {
         $strResponse = WP_Http_Encoding::decompress($strResponse);
     }
     return array('headers' => $processedHeaders['headers'], 'body' => $strResponse, 'response' => $processedHeaders['response']);
 }