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fsockopen.php
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<?php
/*
* fsockopen class
* 是 socket 套接字链接的封装函数
* @author http://weibo.com/yakeing
* @version 2.2
*/
namespace php_fsockopen;
class fsockopen{
private $stream = true; //阻塞模式
private $timeout = 5; //连接/运行时间
private $xport = 'tcp'; //连接协议 tcp
public $UserAgent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36';//浏览器
public $AcceptEncoding = ''; //压缩编码 gzip, deflate, sdch
public $AcceptLanguage = 'zh-CN,zh;q=0.8'; //语言
public $Connection = 'Close'; //持久连接 keep-alive 关闭 Close
public $HttpVersion = 'HTTP/1.1'; //使用HTTP 1.0协议，服务器会主动放弃chunked编码
public $OnContinue = false; // 关闭 HTTP/1.1 100 Continue 返回 可能造成 HTTP/1.1 417 Expectation Failed
public $Content_Type = 'application/x-www-form-urlencoded;charset=utf-8'; //提交表单方式
public $Accept = 'application/x-www-form-urlencoded;charset=utf-8'; //提交表单方式
//construct
public function __construct(){
function_exists('fsockopen') or $this->ERR('php This function is not supported fsockopen', false);
} //END __construct
//error handling
private function ERR($str, $KeepRunning=true){
if($KeepRunning){
echo "<b>Found an exception error:<b><br />\n".$str;
}else{
throw new Exception($str); //抛出异常
}
} //END ERR
//初始化 $timeout=时长, $xport=协议, $stream =阻塞模式
public function init($timeout='', $xport='', $stream = ''){
if(!empty($xport)){
$this->xport = $xport;
}
//获取已注册的套接字传输协议列表
if(array_search($this->xport, stream_get_transports()) === false){
$this->ERR('Server does not support ('.$this->xport.') Transfer Protocol!', false);
}
if(is_bool($stream)){
$this->stream = $stream;
}
if(is_int($timeout) && 0 !=$timeout){
$this->timeout = $timeout;
}
} //END init
//Create new channel connections
private function NewChannel($url){
$errno = 0;
$errstr = '';
$purl = parse_url($url);
if($this->xport != 'tcp'){
$xport = $this->xport.'://';
if(isset($purl['host'])){
$host = $purl['host'];
}else{
$host = $purl['path'];
}
}else{
$xport = ($purl['scheme'] == 'https') ? 'ssl://' : ''; // tls://
$host = $purl['host'];
}
if(!isset($purl['port']) || empty($purl['port'])){
if($purl['scheme'] == 'https'){
$port = 443;
}else{
$port = 80;
}
}else{
$port = $purl['port'];
}
// $port 使用-1表示不使用端口,例如 unix:// 资源
// $timeout 连接时间
$fp = fsockopen($xport.$host, $port, $errno, $errstr, $this->timeout);
if(false === $fp){
$this->ERR('Connection error:('.$errno.') '.$errstr, false);
}
//关闭阻塞模式
if($this->stream === false && !stream_set_blocking($fp,0)){
$this->ERR('ERROR：Failed to close blocking mode!');
}
$query = isset($purl['query'])?'?'.$purl['query']:'';
$path = isset($purl['path'])?$purl['path']:'/';
return array($fp, $path.$query, $purl);
} //END NewChannel
//POST Method to Send File Data
public function PUT($Url, $File, $Referer='', $Cookie=''){
$file_array = is_array($File) ? $File : array($File);
srand((double)microtime()*1000000);
$boundary = "----WebKitFormBoundary".substr(md5(rand(0,32000)),8,16); //WebKit
//$boundary = "--------------------------".substr(md5(rand(0,32000)),0,10); //IE
$data = "--".$boundary;
for($i=0;$i<count($file_array);$i++){
$FileType = pathinfo($file_array[$i], PATHINFO_EXTENSION | PATHINFO_FILENAME);
switch($FileType){
case 'gif':
$content_type = "image/gif";
break;
case 'png':
$content_type = "image/png";
break;
case 'jpg':
case 'jpeg':
$content_type = "image/jpg";
break;
default:
$content_type = "application/octet-stream";
}
$content_file = join('', file($file_array[$i]));
$data.= "\r\nContent-Disposition: form-data; name=\"file".($i+1)."\"; filename=\"".basename($file_array[$i])."\"";
$data.= "\r\nContent-Type: ".$content_type;
$data.= "\r\n\r\n".$content_file."\r\n--".$boundary;
}
$data.="--\r\n\r\n";
$ContentType = 'multipart/form-data; boundary='.$boundary;
return $this->POST($Url, $data, $Referer, $Cookie, $ContentType);
} //END PUT
//Transfer data via POST
public function POST($Url, $Content, $Referer='', $Cookie='', $ContentType=''){
$ContentType = empty($ContentType) ? $this->Content_Type : $ContentType;
list($fp, $path, $purl) = $this->NewChannel($Url);
$header = "POST ".$path." ".$this->HttpVersion."\r\n";
$header .= "Host: ".$purl['host']."\r\n";
$header .= "Connection: ".$this->Connection."\r\n"; //持久连接
$header .= "Content-Length: ".strlen($Content)."\r\n";
$header .= "Origin: ".$purl['scheme']."://".$purl['host']."\r\n";
// $header .= "X-Requested-With: XMLHttpRequest\r\n"; //AJax 异步请求
$header .= "User-Agent: ".$this->UserAgent."\r\n"; //浏览器
$header .= "Content-Type: ".$ContentType."\r\n"; //提交方式
$header .= "Accept: */*\r\n";
if($this->OnContinue === false){ //防止返回 HTTP/1.1 100 Continue
$header .= "Expect:\r\n";
}
if(!empty($Referer)){
$header .= "Referer: ".$Referer."\r\n"; //来源
}
if(!empty($this->AcceptEncoding)){
$header .= "Accept-Encoding: ".$this->AcceptEncoding."\r\n"; //压缩编码
}
$header .= "Accept-Language: ".$this->AcceptLanguage."\r\n"; //语言
if(!empty($Cookie)){
$header .= "Cookie: ".$Cookie."\r\n";
}
$header .= "\r\n";
return $this->fwrite_out($fp, $header.$Content);
} //END POST
//GET mode
public function GET($Url, $Referer='', $Cookie=''){
list($fp, $path, $purl) = $this->NewChannel($Url);
$header = "GET ".$path." ".$this->HttpVersion."\r\n";
$header .= "Host: ".$purl['host']."\r\n";
$header .= "Connection: ".$this->Connection."\r\n"; //持久连接
$header .= "User-Agent: ".$this->UserAgent."\r\n"; //浏览器
$header .= "Accept: */*\r\n";
if($this->OnContinue === false){ //防止返回 HTTP/1.1 100 Continue
$header .= "Expect:\r\n";
}
if(!empty($Referer)){
$header .= "Referer: ".$Referer."\r\n"; //来源
}
if(!empty($this->AcceptEncoding)){
$header .= "Accept-Encoding: ".$this->AcceptEncoding."\r\n"; //压缩编码
}
$header .= "Accept-Language: ".$this->AcceptLanguage."\r\n"; //语言
if(!empty($Cookie)){
$header .= "Cookie: ".$Cookie."\r\n";
}
$header .= "\r\n";
return $this->fwrite_out($fp, $header);
} //END GET
//deal with [Chunked] Block field {Transfer-Encoding:chunked}
private function DecodeChunked($Body){
$ret = '';
$i=$chunk_size=1;
while($chunk_size > 0 && $i < 100){ //最多100个分块防止死循环
$footer_position = strpos($Body, "\r\n");//查找一个footer位置
$chunk_size = (integer)hexdec(substr($Body, 0, $footer_position));//十六转十进制
$NewBody = substr($Body, $footer_position+2); //全部(去除footer标识部分)
$ret .= substr($NewBody,0, $chunk_size); //本次
$Body = substr($NewBody, $chunk_size+2); //剩余
++$i;
}
return $ret;
} //END DecodeChunked
//Get the packet
private function fwrite_out($fp, $data){
$ret='';
fwrite($fp, $data);
while (!feof($fp)){
$ret .= fgets($fp, 4096);
}
fclose($fp);
list($RetHeader, $RetBody) = explode("\r\n\r\n", $ret, 2);
if($this->OnContinue && preg_match('/^HTTP\/[1|2]\.[0|1]\s100\sContinue/i', $RetHeader)){ //处理 HTTP/1.1 100 Continue 数据
list($RetHeader, $RetBody) = explode("\r\n\r\n", $RetBody, 2);
}
if(!preg_match("#HTTP/[0-9\.]+\s+([0-9]+)#", $RetHeader, $StatusCode)){ //处理状态码
$StatusCode = array(0,0);
}
if(preg_match('/Transfer-Encoding:\s?chunked/i', $RetHeader)){ //检测是否使用 分块字段
$RetBody = $this->DecodeChunked($RetBody);
}
return array('code' => $StatusCode[1],'header' => $RetHeader, 'body' => trim($RetBody));
} //END fwrite_out
}// CLASS END