Exemple #1
0
 /**
  * Send a HTTP request to a URI using cURL extension.
  *
  * @access public
  * @since 2.7.0
  *
  * @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);
     $handle = curl_init();
     // cURL offers really easy proxy support.
     $proxy = new WP_HTTP_Proxy();
     if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
         curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
         curl_setopt($handle, CURLOPT_PROXY, $proxy->host());
         curl_setopt($handle, CURLOPT_PROXYPORT, $proxy->port());
         if ($proxy->use_authentication()) {
             curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
             curl_setopt($handle, CURLOPT_PROXYUSERPWD, $proxy->authentication());
         }
     }
     $is_local = isset($r['local']) && $r['local'];
     $ssl_verify = isset($r['sslverify']) && $r['sslverify'];
     if ($is_local) {
         /** This filter is documented in wp-includes/class-http.php */
         $ssl_verify = apply_filters('https_local_ssl_verify', $ssl_verify);
     } elseif (!$is_local) {
         /** This filter is documented in wp-includes/class-http.php */
         $ssl_verify = apply_filters('https_ssl_verify', $ssl_verify);
     }
     /*
      * CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers. Have to use ceil since.
      * a value of 0 will allow an unlimited timeout.
      */
     $timeout = (int) ceil($r['timeout']);
     curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, $timeout);
     curl_setopt($handle, CURLOPT_TIMEOUT, $timeout);
     curl_setopt($handle, CURLOPT_URL, $url);
     curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
     curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, $ssl_verify === true ? 2 : false);
     curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, $ssl_verify);
     curl_setopt($handle, CURLOPT_CAINFO, $r['sslcertificates']);
     curl_setopt($handle, CURLOPT_USERAGENT, $r['user-agent']);
     /*
      * The option doesn't work with safe mode or when open_basedir is set, and there's
      * a bug #17490 with redirected POST requests, so handle redirections outside Curl.
      */
     curl_setopt($handle, CURLOPT_FOLLOWLOCATION, false);
     if (defined('CURLOPT_PROTOCOLS')) {
         // PHP 5.2.10 / cURL 7.19.4
         curl_setopt($handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
     }
     switch ($r['method']) {
         case 'HEAD':
             curl_setopt($handle, CURLOPT_NOBODY, true);
             break;
         case 'POST':
             curl_setopt($handle, CURLOPT_POST, true);
             curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']);
             break;
         case 'PUT':
             curl_setopt($handle, CURLOPT_CUSTOMREQUEST, 'PUT');
             curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']);
             break;
         default:
             curl_setopt($handle, CURLOPT_CUSTOMREQUEST, $r['method']);
             if (!is_null($r['body'])) {
                 curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']);
             }
             break;
     }
     if (true === $r['blocking']) {
         curl_setopt($handle, CURLOPT_HEADERFUNCTION, array($this, 'stream_headers'));
         curl_setopt($handle, CURLOPT_WRITEFUNCTION, array($this, 'stream_body'));
     }
     curl_setopt($handle, CURLOPT_HEADER, false);
     if (isset($r['limit_response_size'])) {
         $this->max_body_length = intval($r['limit_response_size']);
     } else {
         $this->max_body_length = false;
     }
     // If streaming to a file open a file handle, and setup our curl streaming handler.
     if ($r['stream']) {
         if (!WP_DEBUG) {
             $this->stream_handle = @fopen($r['filename'], 'w+');
         } else {
             $this->stream_handle = fopen($r['filename'], 'w+');
         }
         if (!$this->stream_handle) {
             return new WP_Error('http_request_failed', sprintf(__('Could not open handle for fopen() to %s'), $r['filename']));
         }
     } else {
         $this->stream_handle = false;
     }
     if (!empty($r['headers'])) {
         // cURL expects full header strings in each element.
         $headers = array();
         foreach ($r['headers'] as $name => $value) {
             $headers[] = "{$name}: {$value}";
         }
         curl_setopt($handle, CURLOPT_HTTPHEADER, $headers);
     }
     if ($r['httpversion'] == '1.0') {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
     } else {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
     }
     /**
      * Fires before the cURL request is executed.
      *
      * Cookies are not currently handled by the HTTP API. This action allows
      * plugins to handle cookies themselves.
      *
      * @since 2.8.0
      *
      * @param resource &$handle The cURL handle returned by curl_init().
      * @param array    $r       The HTTP request arguments.
      * @param string   $url     The request URL.
      */
     do_action_ref_array('http_api_curl', array(&$handle, $r, $url));
     // We don't need to return the body, so don't. Just execute request and return.
     if (!$r['blocking']) {
         curl_exec($handle);
         if ($curl_error = curl_error($handle)) {
             curl_close($handle);
             return new WP_Error('http_request_failed', $curl_error);
         }
         if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) {
             curl_close($handle);
             return new WP_Error('http_request_failed', __('Too many redirects.'));
         }
         curl_close($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
     }
     curl_exec($handle);
     $theHeaders = WP_Http::processHeaders($this->headers, $url);
     $theBody = $this->body;
     $bytes_written_total = $this->bytes_written_total;
     $this->headers = '';
     $this->body = '';
     $this->bytes_written_total = 0;
     $curl_error = curl_errno($handle);
     // If an error occurred, or, no response.
     if ($curl_error || 0 == strlen($theBody) && empty($theHeaders['headers'])) {
         if (CURLE_WRITE_ERROR == $curl_error) {
             if (!$this->max_body_length || $this->max_body_length != $bytes_written_total) {
                 if ($r['stream']) {
                     curl_close($handle);
                     fclose($this->stream_handle);
                     return new WP_Error('http_request_failed', __('Failed to write request to temporary file.'));
                 } else {
                     curl_close($handle);
                     return new WP_Error('http_request_failed', curl_error($handle));
                 }
             }
         } else {
             if ($curl_error = curl_error($handle)) {
                 curl_close($handle);
                 return new WP_Error('http_request_failed', $curl_error);
             }
         }
         if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) {
             curl_close($handle);
             return new WP_Error('http_request_failed', __('Too many redirects.'));
         }
     }
     curl_close($handle);
     if ($r['stream']) {
         fclose($this->stream_handle);
     }
     $response = array('headers' => $theHeaders['headers'], 'body' => null, 'response' => $theHeaders['response'], 'cookies' => $theHeaders['cookies'], 'filename' => $r['filename']);
     // Handle redirects.
     if (false !== ($redirect_response = WP_HTTP::handle_redirects($url, $r, $response))) {
         return $redirect_response;
     }
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($theHeaders['headers'])) {
         $theBody = WP_Http_Encoding::decompress($theBody);
     }
     $response['body'] = $theBody;
     return $response;
 }
 /**
  * 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;
 }
Exemple #3
0
 /**
  * Send a HTTP request to a URI using cURL extension.
  *
  * @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($r);
     // cURL extension will sometimes fail when the timeout is less than 1 as it may round down
     // to 0, which gives it unlimited timeout.
     if ($r['timeout'] > 0 && $r['timeout'] < 1) {
         $r['timeout'] = 1;
     }
     $handle = curl_init();
     // cURL offers really easy proxy support.
     $proxy = new WP_HTTP_Proxy();
     if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
         $isPHP5 = version_compare(PHP_VERSION, '5.0.0', '>=');
         if ($isPHP5) {
             curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
             curl_setopt($handle, CURLOPT_PROXY, $proxy->host());
             curl_setopt($handle, CURLOPT_PROXYPORT, $proxy->port());
         } else {
             curl_setopt($handle, CURLOPT_PROXY, $proxy->host() . ':' . $proxy->port());
         }
         if ($proxy->use_authentication()) {
             if ($isPHP5) {
                 curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
             }
             curl_setopt($handle, CURLOPT_PROXYUSERPWD, $proxy->authentication());
         }
     }
     $is_local = isset($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', $ssl_verify);
     }
     curl_setopt($handle, CURLOPT_URL, $url);
     curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
     curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, $ssl_verify);
     curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, $ssl_verify);
     curl_setopt($handle, CURLOPT_USERAGENT, $r['user-agent']);
     curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, $r['timeout']);
     curl_setopt($handle, CURLOPT_TIMEOUT, $r['timeout']);
     curl_setopt($handle, CURLOPT_MAXREDIRS, $r['redirection']);
     switch ($r['method']) {
         case 'HEAD':
             curl_setopt($handle, CURLOPT_NOBODY, true);
             break;
         case 'POST':
             curl_setopt($handle, CURLOPT_POST, true);
             curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']);
             break;
         case 'PUT':
             curl_setopt($handle, CURLOPT_CUSTOMREQUEST, 'PUT');
             curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']);
             break;
     }
     if (true === $r['blocking']) {
         curl_setopt($handle, CURLOPT_HEADER, true);
     } else {
         curl_setopt($handle, CURLOPT_HEADER, false);
     }
     // The option doesn't work with safe mode or when open_basedir is set.
     if (!ini_get('safe_mode') && !ini_get('open_basedir')) {
         curl_setopt($handle, CURLOPT_FOLLOWLOCATION, true);
     }
     if (!empty($r['headers'])) {
         // cURL expects full header strings in each element
         $headers = array();
         foreach ($r['headers'] as $name => $value) {
             $headers[] = "{$name}: {$value}";
         }
         curl_setopt($handle, CURLOPT_HTTPHEADER, $headers);
     }
     if ($r['httpversion'] == '1.0') {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
     } else {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
     }
     // Cookies are not handled by the HTTP API currently. Allow for plugin authors to handle it
     // themselves... Although, it is somewhat pointless without some reference.
     do_action_ref_array('http_api_curl', array(&$handle));
     // We don't need to return the body, so don't. Just execute request and return.
     if (!$r['blocking']) {
         curl_exec($handle);
         curl_close($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
     }
     $theResponse = curl_exec($handle);
     if (!empty($theResponse)) {
         $headerLength = curl_getinfo($handle, CURLINFO_HEADER_SIZE);
         $theHeaders = trim(substr($theResponse, 0, $headerLength));
         $theBody = substr($theResponse, $headerLength);
         if (false !== strrpos($theHeaders, "\r\n\r\n")) {
             $headerParts = explode("\r\n\r\n", $theHeaders);
             $theHeaders = $headerParts[count($headerParts) - 1];
         }
         $theHeaders = WP_Http::processHeaders($theHeaders);
     } else {
         if ($curl_error = curl_error($handle)) {
             return new WP_Error('http_request_failed', $curl_error);
         }
         if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) {
             return new WP_Error('http_request_failed', __('Too many redirects.'));
         }
         $theHeaders = array('headers' => array(), 'cookies' => array());
         $theBody = '';
     }
     $response = array();
     $response['code'] = curl_getinfo($handle, CURLINFO_HTTP_CODE);
     $response['message'] = get_status_header_desc($response['code']);
     curl_close($handle);
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($theHeaders['headers'])) {
         $theBody = WP_Http_Encoding::decompress($theBody);
     }
     return array('headers' => $theHeaders['headers'], 'body' => $theBody, 'response' => $response, 'cookies' => $theHeaders['cookies']);
 }
Exemple #4
0
 /**
  * Send a HTTP request to a URI using cURL extension.
  *
  * @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']);
         }
     }
     // cURL extension will sometimes fail when the timeout is less than 1 as
     // it may round down to 0, which gives it unlimited timeout.
     if ($r['timeout'] > 0 && $r['timeout'] < 1) {
         $r['timeout'] = 1;
     }
     $handle = curl_init();
     curl_setopt($handle, CURLOPT_URL, $url);
     // The cURL extension requires that the option be set for the HEAD to
     // work properly.
     if ('HEAD' === $r['method']) {
         curl_setopt($handle, CURLOPT_NOBODY, true);
     }
     if (true === $r['blocking']) {
         curl_setopt($handle, CURLOPT_HEADER, true);
         curl_setopt($handle, CURLOPT_RETURNTRANSFER, 1);
     } else {
         curl_setopt($handle, CURLOPT_HEADER, false);
         curl_setopt($handle, CURLOPT_NOBODY, true);
         curl_setopt($handle, CURLOPT_RETURNTRANSFER, 0);
     }
     curl_setopt($handle, CURLOPT_USERAGENT, $r['user-agent']);
     curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, 1);
     curl_setopt($handle, CURLOPT_TIMEOUT, $r['timeout']);
     curl_setopt($handle, CURLOPT_MAXREDIRS, $r['redirection']);
     // The option doesn't work with safe mode or when open_basedir is set.
     if (!ini_get('safe_mode') && !ini_get('open_basedir')) {
         curl_setopt($handle, CURLOPT_FOLLOWLOCATION, true);
     }
     if (!is_null($r['headers'])) {
         curl_setopt($handle, CURLOPT_HTTPHEADER, $r['headers']);
     }
     if ($r['httpversion'] == '1.0') {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
     } else {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
     }
     // Cookies are not handled by the HTTP API currently. Allow for plugin
     // authors to handle it themselves... Although, it is somewhat pointless
     // without some reference.
     do_action_ref_array('http_api_curl', array(&$handle));
     // We don't need to return the body, so don't. Just execution request
     // and return.
     if (!$r['blocking']) {
         curl_exec($handle);
         curl_close($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code', 'message'));
     }
     $theResponse = curl_exec($handle);
     if (!empty($theResponse)) {
         $headerLength = curl_getinfo($handle, CURLINFO_HEADER_SIZE);
         $theHeaders = trim(substr($theResponse, 0, $headerLength));
         $theBody = substr($theResponse, $headerLength);
         if (false !== strrpos($theHeaders, "\r\n\r\n")) {
             $headerParts = explode("\r\n\r\n", $theHeaders);
             $theHeaders = $headerParts[count($headerParts) - 1];
         }
         $theHeaders = WP_Http::processHeaders($theHeaders);
     } else {
         if ($curl_error = curl_error($handle)) {
             return new WP_Error('http_request_failed', $curl_error);
         }
         if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) {
             return new WP_Error('http_request_failed', __('Too many redirects.'));
         }
         $theHeaders = array('headers' => array());
         $theBody = '';
     }
     $response = array();
     $response['code'] = curl_getinfo($handle, CURLINFO_HTTP_CODE);
     $response['message'] = get_status_header_desc($response['code']);
     curl_close($handle);
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($theHeaders)) {
         $theBody = WP_Http_Encoding::decompress($theBody);
     }
     return array('headers' => $theHeaders['headers'], 'body' => $theBody, 'response' => $response);
 }
Exemple #5
0
 /**
  * Send a HTTP request to a URI using cURL extension.
  *
  * @access public
  * @since 2.7.0
  *
  * @param string $url
  * @param str|array $args Optional. Override the defaults.
  * @return array 'headers', 'body', 'response', 'cookies' and 'filename' keys.
  */
 function request($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);
     $handle = curl_init();
     // cURL offers really easy proxy support.
     $proxy = new WP_HTTP_Proxy();
     if ($proxy->is_enabled() && $proxy->send_through_proxy($url)) {
         curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
         curl_setopt($handle, CURLOPT_PROXY, $proxy->host());
         curl_setopt($handle, CURLOPT_PROXYPORT, $proxy->port());
         if ($proxy->use_authentication()) {
             curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
             curl_setopt($handle, CURLOPT_PROXYUSERPWD, $proxy->authentication());
         }
     }
     $is_local = isset($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);
     }
     // CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers.  Have to use ceil since
     // a value of 0 will allow an ulimited timeout.
     $timeout = (int) ceil($r['timeout']);
     curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, $timeout);
     curl_setopt($handle, CURLOPT_TIMEOUT, $timeout);
     curl_setopt($handle, CURLOPT_URL, $url);
     curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
     curl_setopt($handle, CURLOPT_SSL_VERIFYHOST, $ssl_verify === true ? 2 : false);
     curl_setopt($handle, CURLOPT_SSL_VERIFYPEER, $ssl_verify);
     curl_setopt($handle, CURLOPT_USERAGENT, $r['user-agent']);
     curl_setopt($handle, CURLOPT_MAXREDIRS, $r['redirection']);
     switch ($r['method']) {
         case 'HEAD':
             curl_setopt($handle, CURLOPT_NOBODY, true);
             break;
         case 'POST':
             curl_setopt($handle, CURLOPT_POST, true);
             curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']);
             break;
         case 'PUT':
             curl_setopt($handle, CURLOPT_CUSTOMREQUEST, 'PUT');
             curl_setopt($handle, CURLOPT_POSTFIELDS, $r['body']);
             break;
     }
     if (true === $r['blocking']) {
         curl_setopt($handle, CURLOPT_HEADERFUNCTION, array(&$this, 'stream_headers'));
     }
     curl_setopt($handle, CURLOPT_HEADER, false);
     // If streaming to a file open a file handle, and setup our curl streaming handler
     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'), $r['filename']));
         }
         curl_setopt($handle, CURLOPT_FILE, $stream_handle);
     }
     // The option doesn't work with safe mode or when open_basedir is set.
     if (!ini_get('safe_mode') && !ini_get('open_basedir') && 0 !== $r['_redirection']) {
         curl_setopt($handle, CURLOPT_FOLLOWLOCATION, true);
     }
     if (!empty($r['headers'])) {
         // cURL expects full header strings in each element
         $headers = array();
         foreach ($r['headers'] as $name => $value) {
             $headers[] = "{$name}: {$value}";
         }
         curl_setopt($handle, CURLOPT_HTTPHEADER, $headers);
     }
     if ($r['httpversion'] == '1.0') {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
     } else {
         curl_setopt($handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
     }
     // Cookies are not handled by the HTTP API currently. Allow for plugin authors to handle it
     // themselves... Although, it is somewhat pointless without some reference.
     do_action_ref_array('http_api_curl', array(&$handle));
     // We don't need to return the body, so don't. Just execute request and return.
     if (!$r['blocking']) {
         curl_exec($handle);
         curl_close($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
     }
     $theResponse = curl_exec($handle);
     $theBody = '';
     $theHeaders = WP_Http::processHeaders($this->headers);
     if (strlen($theResponse) > 0 && !is_bool($theResponse)) {
         // is_bool: when using $args['stream'], curl_exec will return (bool)true
         $theBody = $theResponse;
     }
     // If no response, and It's not a HEAD request with valid headers returned
     if (0 == strlen($theResponse) && ('HEAD' != $args['method'] || empty($this->headers))) {
         if ($curl_error = curl_error($handle)) {
             return new WP_Error('http_request_failed', $curl_error);
         }
         if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) {
             return new WP_Error('http_request_failed', __('Too many redirects.'));
         }
     }
     unset($this->headers);
     $response = array();
     $response['code'] = curl_getinfo($handle, CURLINFO_HTTP_CODE);
     $response['message'] = get_status_header_desc($response['code']);
     curl_close($handle);
     if ($r['stream']) {
         fclose($stream_handle);
     }
     // See #11305 - When running under safe mode, redirection is disabled above. Handle it manually.
     if (!empty($theHeaders['headers']['location']) && (ini_get('safe_mode') || ini_get('open_basedir')) && 0 !== $r['_redirection']) {
         if ($r['redirection']-- > 0) {
             return $this->request($theHeaders['headers']['location'], $r);
         } else {
             return new WP_Error('http_request_failed', __('Too many redirects.'));
         }
     }
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($theHeaders['headers'])) {
         $theBody = WP_Http_Encoding::decompress($theBody);
     }
     return array('headers' => $theHeaders['headers'], 'body' => $theBody, 'response' => $response, 'cookies' => $theHeaders['cookies'], 'filename' => $r['filename']);
 }
 /**
  * Make a HTTP request to a supplied URL.
  *
  * Much of the logic here is plagiarized from the WP_Http_Curl as to avoid
  * trying to re-invent the wheel.
  *
  * @param $url
  * @param $args
  * @return bool
  */
 public function request($url, $args)
 {
     $r = wp_parse_args($args, self::$request_defaults);
     // Construct Cookie: header if any cookies are set.
     WP_Http::buildCookieHeader($r);
     $is_local = isset($r['local']) && $r['local'];
     $ssl_verify = isset($r['sslverify']) && $r['sslverify'];
     if ($is_local) {
         $ssl_verify = apply_filters('https_local_ssl_verify', $ssl_verify);
     } else {
         $ssl_verify = apply_filters('https_ssl_verify', $ssl_verify);
     }
     // For now, lets not support streaming into a file and see what breaks
     if (isset($r['filename'])) {
         return new WP_Error('http_request_failed', __('Saving to a file is not currently supported.'));
     }
     $req = new \google\appengine\URLFetchRequest();
     $req->setUrl($url);
     $req->setMethod(self::$request_map[$r['method']]);
     $req->setMustValidateServerCertificate($ssl_verify);
     if (isset($r['body'])) {
         $req->setPayload($r['body']);
     }
     if (isset($r['timeout'])) {
         $req->setDeadline($r['timeout']);
     }
     // App Engine does not allow setting the number of redirects, only if we
     // follow redirects or not.
     $req->setFollowRedirects(isset($r['redirection']) && $r['redirection'] != 0);
     foreach ($r['headers'] as $key => $value) {
         $header = $req->addHeader();
         $header->setKey($key);
         $header->setValue($value);
     }
     $resp = new \google\appengine\URLFetchResponse();
     try {
         ApiProxy::makeSyncCall('urlfetch', 'Fetch', $req, $resp);
     } catch (ApplicationError $e) {
         syslog(LOG_ERR, sprintf("Call to URLFetch failed with application error %d for url %s.", $e->getApplicationError(), $url));
         return new \WP_Error('http_request_failed', $e->getMessage());
     }
     $response = [];
     $response['code'] = $resp->getStatusCode();
     $response['message'] = \get_status_header_desc($resp->getStatusCode());
     $headers = [];
     $cookies = [];
     foreach ($resp->getHeaderList() as $header) {
         $key = strtolower($header->getKey());
         $value = trim($header->getValue());
         // If a header has multiple values then it is stored in an array
         if (isset($headers[$key])) {
             if (!is_array($headers[$key])) {
                 $headers[$key] = [$headers[$key]];
             }
             $headers[$key][] = $value;
         } else {
             $headers[$key] = $value;
         }
         if ('set-cookie' == $key) {
             $cookies[] = new \WP_Http_Cookie($value, $url);
         }
     }
     $theBody = $resp->getContent();
     if (true === $r['decompress'] && true === WP_Http_Encoding::should_decode($headers)) {
         $theBody = WP_Http_Encoding::decompress($theBody);
     }
     if (isset($r['limit_response_size']) && strlen($theBody) > $r['limit_response_size']) {
         $theBody = substr($theBody, 0, $r['limit_response_size']);
     }
     $response = ['response' => $response, 'body' => $theBody, 'cookies' => $cookies, 'headers' => $headers];
     return $response;
 }