Syntax Syntax
Source Source
File: wp-includes/class-snoopy.php
function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="") { $cookie_headers = ''; if($this->passcookies && $this->_redirectaddr) $this->setcookies(); $URI_PARTS = parse_url($URI); if(empty($url)) $url = "/"; $headers = $http_method." ".$url." ".$this->_httpversion."\r\n"; if(!empty($this->agent)) $headers .= "User-Agent: ".$this->agent."\r\n"; if(!empty($this->host) && !isset($this->rawheaders['Host'])) { $headers .= "Host: ".$this->host; if(!empty($this->port) && $this->port != 80) $headers .= ":".$this->port; $headers .= "\r\n"; } if(!empty($this->accept)) $headers .= "Accept: ".$this->accept."\r\n"; if(!empty($this->referer)) $headers .= "Referer: ".$this->referer."\r\n"; if(!empty($this->cookies)) { if(!is_array($this->cookies)) $this->cookies = (array)$this->cookies; reset($this->cookies); if ( count($this->cookies) > 0 ) { $cookie_headers .= 'Cookie: '; foreach ( $this->cookies as $cookieKey => $cookieVal ) { $cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; "; } $headers .= substr($cookie_headers,0,-2) . "\r\n"; } } if(!empty($this->rawheaders)) { if(!is_array($this->rawheaders)) $this->rawheaders = (array)$this->rawheaders; foreach ( $this->rawheaders as $headerKey => $headerVal ) $headers .= $headerKey.": ".$headerVal."\r\n"; } if(!empty($content_type)) { $headers .= "Content-type: $content_type"; if ($content_type == "multipart/form-data") $headers .= "; boundary=".$this->_mime_boundary; $headers .= "\r\n"; } if(!empty($body)) $headers .= "Content-length: ".strlen($body)."\r\n"; if(!empty($this->user) || !empty($this->pass)) $headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n"; //add proxy auth headers if(!empty($this->proxy_user)) $headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass)."\r\n"; $headers .= "\r\n"; // set the read timeout if needed if ($this->read_timeout > 0) socket_set_timeout($fp, $this->read_timeout); $this->timed_out = false; fwrite($fp,$headers.$body,strlen($headers.$body)); $this->_redirectaddr = false; unset($this->headers); while($currentHeader = fgets($fp,$this->_maxlinelen)) { if ($this->read_timeout > 0 && $this->_check_timeout($fp)) { $this->status=-100; return false; } if($currentHeader == "\r\n") break; // if a header begins with Location: or URI:, set the redirect if(preg_match("/^(Location:|URI:)/i",$currentHeader)) { // get URL portion of the redirect preg_match("/^(Location:|URI:)[ ]+(.*)/i",chop($currentHeader),$matches); // look for :// in the Location header to see if hostname is included if(!preg_match("|\:\/\/|",$matches[2])) { // no host in the path, so prepend $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port; // eliminate double slash if(!preg_match("|^/|",$matches[2])) $this->_redirectaddr .= "/".$matches[2]; else $this->_redirectaddr .= $matches[2]; } else $this->_redirectaddr = $matches[2]; } if(preg_match("|^HTTP/|",$currentHeader)) { if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status)) { $this->status= $status[1]; } $this->response_code = $currentHeader; } $this->headers[] = $currentHeader; } $results = ''; do { $_data = fread($fp, $this->maxlength); if (strlen($_data) == 0) { break; } $results .= $_data; } while(true); if ($this->read_timeout > 0 && $this->_check_timeout($fp)) { $this->status=-100; return false; } // check if there is a redirect meta tag if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match)) { $this->_redirectaddr = $this->_expandlinks($match[1],$URI); } // have we hit our frame depth and is there frame src to fetch? if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match)) { $this->results[] = $results; for($x=0; $x<count($match[1]); $x++) $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host); } // have we already fetched framed content? elseif(is_array($this->results)) $this->results[] = $results; // no framed content else $this->results = $results; return true; }