Esempio n. 1
0
 /**
  * NV_http_streams::request()
  *
  * @param mixed $url
  * @param mixed $args
  * @return
  */
 public function request($url, $args = array())
 {
     $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array());
     $args = NV_Http::build_args($args, $defaults);
     // Get user agent
     if (isset($args['headers']['User-Agent'])) {
         $args['user-agent'] = $args['headers']['User-Agent'];
         unset($args['headers']['User-Agent']);
     } elseif (isset($args['headers']['user-agent'])) {
         $args['user-agent'] = $args['headers']['user-agent'];
         unset($args['headers']['user-agent']);
     }
     // Get Referer
     if (isset($args['headers']['Referer'])) {
         $args['referer'] = $args['headers']['Referer'];
         unset($args['headers']['Referer']);
     } elseif (isset($args['headers']['referer'])) {
         $args['referer'] = $args['headers']['referer'];
         unset($args['headers']['referer']);
     }
     // Construct Cookie: header if any cookies are set
     NV_Http::buildCookieHeader($args);
     $arrURL = parse_url($url);
     $connect_host = $arrURL['host'];
     $secure_transport = ($arrURL['scheme'] == 'ssl' or $arrURL['scheme'] == 'https');
     if (!isset($arrURL['port'])) {
         if ($arrURL['scheme'] == 'ssl' or $arrURL['scheme'] == 'https') {
             $arrURL['port'] = 443;
             $secure_transport = true;
         } else {
             $arrURL['port'] = 80;
         }
     }
     if (isset($args['headers']['Host']) or isset($args['headers']['host'])) {
         if (isset($args['headers']['Host'])) {
             $arrURL['host'] = $args['headers']['Host'];
         } else {
             $arrURL['host'] = $args['headers']['host'];
         }
         unset($args['headers']['Host'], $args['headers']['host']);
     }
     // Certain versions of PHP have issues with 'localhost' and IPv6, It attempts to connect to ::1,
     // which fails when the server is not set up for it. For compatibility, always connect to the IPv4 address.
     if (strtolower($connect_host) == 'localhost') {
         $connect_host = '127.0.0.1';
     }
     $connect_host = $secure_transport ? 'ssl://' . $connect_host : 'tcp://' . $connect_host;
     $is_local = isset($args['local']) and $args['local'];
     $ssl_verify = isset($args['sslverify']) and $args['sslverify'];
     // NukeViet has no proxy setup
     //$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' => $args['sslcertificates'], 'allow_self_signed' => !$ssl_verify)));
     $timeout = (int) floor($args['timeout']);
     $utimeout = $timeout == $args['timeout'] ? 0 : 1000000 * $args['timeout'] % 1000000;
     $connect_timeout = max($timeout, 1);
     $connection_error = null;
     // Store error number
     $connection_error_str = null;
     // Store error string
     // In the event that the SSL connection fails, silence the many PHP Warnings
     if ($secure_transport) {
         $error_reporting = error_reporting(0);
     }
     // No proxy option on NukeViet, maybe in future!!!!
     //if( $proxy->is_enabled() and $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($error_reporting);
     }
     if ($handle === false) {
         // SSL connection failed due to expired/invalid cert, or, OpenSSL configuration is broken
         if ($secure_transport and $connection_error === 0 and $connection_error_str === '') {
             NV_Http::set_error(6);
             return false;
         }
         NV_Http::set_error(7);
         return false;
     }
     // Verify that the SSL certificate is valid for this request
     if ($secure_transport and $ssl_verify) {
         if (!self::verify_ssl_certificate($handle, $arrURL['host'])) {
             NV_Http::set_error(6);
             return false;
         }
     }
     stream_set_timeout($handle, $timeout, $utimeout);
     //if( $proxy->is_enabled() and $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 .= '/';
     }
     $strHeaders = strtoupper($args['method']) . ' ' . $requestPath . ' HTTP/' . $args['httpversion'] . "\r\n";
     //if( $proxy->is_enabled() and $proxy->send_through_proxy( $url ) )
     //{
     //	$strHeaders .= 'Host: ' . $arrURL['host'] . ':' . $arrURL['port'] . "\r\n";
     //}
     //else
     //{
     $strHeaders .= 'Host: ' . $arrURL['host'] . "\r\n";
     //}
     if (isset($args['user-agent'])) {
         $strHeaders .= 'User-agent: ' . $args['user-agent'] . "\r\n";
     }
     // Add referer if not empty
     if (!empty($args['referer'])) {
         $strHeaders .= 'Referer: ' . $args['referer'] . "\r\n";
     }
     if (is_array($args['headers'])) {
         foreach ((array) $args['headers'] as $header => $headerValue) {
             $strHeaders .= $header . ': ' . $headerValue . "\r\n";
         }
     } else {
         $strHeaders .= $args['headers'];
     }
     //if( $proxy->use_authentication() )
     //{
     //	$strHeaders .= $proxy->authentication_header() . "\r\n";
     //}
     $strHeaders .= "\r\n";
     if (!is_null($args['body'])) {
         $strHeaders .= $args['body'];
     }
     fwrite($handle, $strHeaders);
     if (!$args['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;
     $block_size = 4096;
     if (isset($args['limit_response_size'])) {
         $block_size = min($block_size, $args['limit_response_size']);
     }
     // If streaming to a file setup the file handle
     if ($args['stream']) {
         $stream_handle = @fopen($args['filename'], 'w+');
         if (!$stream_handle) {
             NV_Http::set_error(8);
             return false;
         }
         $bytes_written = 0;
         while (!feof($handle) and $keep_reading) {
             $block = fread($handle, $block_size);
             if (!$bodyStarted) {
                 $strResponse .= $block;
                 if (strpos($strResponse, "\r\n\r\n")) {
                     $process = NV_Http::processResponse($strResponse);
                     $bodyStarted = true;
                     $block = $process['body'];
                     unset($strResponse);
                     $process['body'] = '';
                 }
             }
             $this_block_size = strlen($block);
             if (isset($args['limit_response_size']) and $bytes_written + $this_block_size > $args['limit_response_size']) {
                 $block = substr($block, 0, $args['limit_response_size'] - $bytes_written);
             }
             $bytes_written_to_file = fwrite($stream_handle, $block);
             if ($bytes_written_to_file != $this_block_size) {
                 fclose($handle);
                 fclose($stream_handle);
                 NV_Http::set_error(9);
                 return false;
             }
             $bytes_written += $bytes_written_to_file;
             $keep_reading = !isset($args['limit_response_size']) or $bytes_written < $args['limit_response_size'];
         }
         fclose($stream_handle);
     } else {
         $header_length = 0;
         // Not end file and some one
         while (!feof($handle) and $keep_reading) {
             $block = fread($handle, $block_size);
             $strResponse .= $block;
             if (!$bodyStarted and strpos($strResponse, "\r\n\r\n")) {
                 $header_length = strpos($strResponse, "\r\n\r\n") + 4;
                 $bodyStarted = true;
             }
             $keep_reading = (!$bodyStarted or !isset($args['limit_response_size']) or strlen($strResponse) < $header_length + $args['limit_response_size']);
         }
         $process = NV_Http::processResponse($strResponse);
         unset($strResponse);
     }
     fclose($handle);
     $arrHeaders = NV_Http::processHeaders($process['headers'], $url);
     $response = array('headers' => $arrHeaders['headers'], 'body' => null, 'response' => $arrHeaders['response'], 'cookies' => $arrHeaders['cookies'], 'filename' => $args['filename']);
     // Handle redirects
     if (false !== ($redirect_response = NV_Http::handle_redirects($url, $args, $response))) {
         return $redirect_response;
     }
     // If the body was chunk encoded, then decode it.
     if (!empty($process['body']) and isset($arrHeaders['headers']['transfer-encoding']) and 'chunked' == $arrHeaders['headers']['transfer-encoding']) {
         $process['body'] = NV_Http::chunkTransferDecode($process['body']);
     }
     if ($args['decompress'] === true and NV_http_encoding::should_decode($arrHeaders['headers']) === true) {
         $process['body'] = NV_http_encoding::decompress($process['body']);
     }
     if (isset($args['limit_response_size']) and strlen($process['body']) > $args['limit_response_size']) {
         $process['body'] = substr($process['body'], 0, $args['limit_response_size']);
     }
     $response['body'] = str_replace("", "", $process['body']);
     return $response;
 }
Esempio n. 2
0
 /**
  * NV_http_curl::request()
  *
  * @param mixed $url
  * @param mixed $args
  * @return
  */
 public function request($url, $args = array())
 {
     $defaults = array('method' => 'GET', 'timeout' => 5, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true, 'headers' => array(), 'body' => null, 'cookies' => array());
     $args = NV_Http::build_args($args, $defaults);
     // Get User Agent
     if (isset($args['headers']['User-Agent'])) {
         $args['user-agent'] = $args['headers']['User-Agent'];
         unset($args['headers']['User-Agent']);
     } elseif (isset($args['headers']['user-agent'])) {
         $args['user-agent'] = $args['headers']['user-agent'];
         unset($args['headers']['user-agent']);
     }
     // Get Referer
     if (isset($args['headers']['Referer'])) {
         $args['referer'] = $args['headers']['Referer'];
         unset($args['headers']['Referer']);
     } elseif (isset($args['headers']['referer'])) {
         $args['referer'] = $args['headers']['referer'];
         unset($args['headers']['referer']);
     }
     // Construct Cookie: header if any cookies are set.
     NV_Http::buildCookieHeader($args);
     $handle = curl_init();
     /*
     // No Proxy setting so proxy be omitted
     // cURL offers really easy proxy support.
     $proxy = new NV_http_proxy();
     
     if( $proxy->is_enabled() and $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']) and $args['local'];
     $ssl_verify = isset($args['sslverify']) and $args['sslverify'];
     // CURLOPT_TIMEOUT and CURLOPT_CONNECTTIMEOUT expect integers. Have to use ceil since
     // a value of 0 will allow an unlimited timeout.
     $timeout = (int) ceil($args['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, $args['sslcertificates']);
     curl_setopt($handle, CURLOPT_USERAGENT, $args['user-agent']);
     // Add Curl referer if not empty
     if (!is_null($args['referer']) or !empty($args['referer'])) {
         curl_setopt($handle, CURLOPT_AUTOREFERER, true);
         curl_setopt($handle, CURLOPT_REFERER, $args['referer']);
     }
     // The option doesn't work with safe mode or when open_basedir is set, and there's a
     curl_setopt($handle, CURLOPT_FOLLOWLOCATION, false);
     if (defined('CURLOPT_PROTOCOLS')) {
         // PHP 5.2.10 / cURL 7.19.4
         curl_setopt($handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
     }
     switch ($args['method']) {
         case 'HEAD':
             curl_setopt($handle, CURLOPT_NOBODY, true);
             break;
         case 'POST':
             curl_setopt($handle, CURLOPT_POST, true);
             curl_setopt($handle, CURLOPT_POSTFIELDS, $args['body']);
             break;
         case 'PUT':
             curl_setopt($handle, CURLOPT_CUSTOMREQUEST, 'PUT');
             curl_setopt($handle, CURLOPT_POSTFIELDS, $args['body']);
             break;
         default:
             curl_setopt($handle, CURLOPT_CUSTOMREQUEST, $args['method']);
             if (!is_null($args['body'])) {
                 curl_setopt($handle, CURLOPT_POSTFIELDS, $args['body']);
             }
             break;
     }
     if ($args['blocking'] === true) {
         curl_setopt($handle, CURLOPT_HEADERFUNCTION, array($this, 'stream_headers'));
         curl_setopt($handle, CURLOPT_WRITEFUNCTION, array($this, 'stream_body'));
     }
     curl_setopt($handle, CURLOPT_HEADER, false);
     if (isset($args['limit_response_size'])) {
         $this->max_body_length = intval($args['limit_response_size']);
     } else {
         $this->max_body_length = false;
     }
     // If streaming to a file open a file handle, and setup our curl streaming handler
     if ($args['stream']) {
         $this->stream_handle = @fopen($args['filename'], 'w+');
         if (!$this->stream_handle) {
             NV_Http::set_error(10);
             return $this;
         }
     } else {
         $this->stream_handle = false;
     }
     if (!empty($args['headers'])) {
         // cURL expects full header strings in each element
         $headers = array();
         foreach ($args['headers'] as $name => $value) {
             $headers[] = "{$name}: {$value}";
         }
         curl_setopt($handle, CURLOPT_HTTPHEADER, $headers);
     }
     if ($args['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);
     }
     // We don't need to return the body, so don't. Just execute request and return.
     if (!$args['blocking']) {
         curl_exec($handle);
         if ($curl_error = curl_error($handle)) {
             curl_close($handle);
             NV_Http::set_error(11);
             return $this;
         }
         if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) {
             curl_close($handle);
             NV_Http::set_error(5);
             return $this;
         }
         curl_close($handle);
         return array('headers' => array(), 'body' => '', 'response' => array('code' => false, 'message' => false), 'cookies' => array());
     }
     $theResponse = curl_exec($handle);
     $theHeaders = NV_Http::processHeaders($this->headers, $url);
     $theBody = $this->body;
     $this->headers = '';
     $this->body = '';
     $curl_error = curl_errno($handle);
     // If an error occured, or, no response
     if ($curl_error or strlen($theBody) == 0 and empty($theHeaders['headers'])) {
         if (CURLE_WRITE_ERROR == $curl_error and $args['stream']) {
             fclose($this->stream_handle);
             NV_Http::set_error(9);
             return $this;
         }
         if ($curl_error = curl_error($handle)) {
             curl_close($handle);
             NV_Http::set_error(11);
             return $this;
         }
         if (in_array(curl_getinfo($handle, CURLINFO_HTTP_CODE), array(301, 302))) {
             curl_close($handle);
             NV_Http::set_error(5);
             return $this;
         }
     }
     $response = array();
     $response['code'] = curl_getinfo($handle, CURLINFO_HTTP_CODE);
     $response['message'] = $response['code'];
     curl_close($handle);
     if ($args['stream']) {
         fclose($this->stream_handle);
     }
     $response = array('headers' => $theHeaders['headers'], 'body' => null, 'response' => $response, 'cookies' => $theHeaders['cookies'], 'filename' => $args['filename']);
     // Handle redirects
     if (($redirect_response = NV_Http::handle_redirects($url, $args, $response)) !== false) {
         return $redirect_response;
     }
     if ($args['decompress'] === true and NV_http_encoding::should_decode($theHeaders['headers']) === true) {
         $theBody = NV_http_encoding::decompress($theBody);
     }
     $response['body'] = str_replace("", "", $theBody);
     return $response;
 }