php socket模拟POST GET请求 fsockopen版

nosilence

function httpRequestGET($url){
$url2 = parse_url($url);
$url2["path"] = ($url2["path"] == "" ? "/" : $url2["path"]);
$url2["port"] = ($url2["port"] == "" ? 80 : $url2["port"]);
$host_ip = @gethostbyname($url2["host"]);
$fsock_timeout=20;
if(($fsock = fsockopen($host_ip, 80, $errno, $errstr, $fsock_timeout)) < 0){
return false;
}
$request = $url2["path"] . ($url2["query"] != "" ? "?" . $url2["query"] : "") . ($url2["fragment"] != "" ? "#" . $url2["fragment"] : "");
$in = "GET " . $request . " HTTP/1.0\r\n";
$in .= "Accept: */*\r\n";
$in .= "User-Agent: Payb-Agent\r\n";
$in .= "Host: " . $url2["host"] . "\r\n";
$in .= "Connection: Close\r\n\r\n";
if(!@fwrite($fsock, $in, strlen($in))){
fclose($fsock);
return false;
}
unset($in);
$out = "";
while($buff = @fgets($fsock, 2048)){
$out .= $buff;
}
fclose($fsock);
$pos = strpos($out, "\r\n\r\n");
$head = substr($out, 0, $pos);    //http head
$status = substr($head, 0, strpos($head, "\r\n"));    //http status line
$body = substr($out, $pos + 4, strlen($out) - ($pos + 4));//page body
if(preg_match("/^HTTP\/\d\.\d\s([\d]+)\s.*$/", $status, $matches)){
if(intval($matches[1]) / 100 == 2){
return $body;
}else{
return false;
}
}else{
return false;
}
}
function httpRequestPOST($url,$post_data){
$url2 = parse_url($url);
$url2["path"] = ($url2["path"] == "" ? "/" : $url2["path"]);
$url2["port"] = ($url2["port"] == "" ? 80 : $url2["port"]);
$host_ip = @gethostbyname($url2["host"]);
$fsock_timeout=20;//秒
if(($fsock = fsockopen($host_ip, 80, $errno, $errstr, $fsock_timeout)) < 0){
return false;
}
$request = $url2["path"] . ($url2["query"] != "" ? "?" . $url2["query"] : "") . ($url2["fragment"] != "" ? "#" . $url2["fragment"] : "");
$needChar = false;
foreach($post_data as $key => $val) {
$post_data2 .= ($needChar ? "&" : "") . urlencode($key) . "=" . urlencode($val);
$needChar = true;
}
$in = "POST " . $request . " HTTP/1.0\r\n";
$in .= "Accept: */*\r\n";
$in .= "Host: " . $url2["host"] . "\r\n";
$in .= "User-Agent: Lowell-Agent\r\n";
$in .= "Content-type: application/x-www-form-urlencoded\r\n";
$in .= "Content-Length: " . strlen($post_data2) . "\r\n";
$in .= "Connection: Close\r\n\r\n";
$in .= $post_data2 . "\r\n\r\n";
unset($post_data2);
if(!@fwrite($fsock, $in, strlen($in))){
fclose($fsock);
return false;
}
unset($in);
$out = "";
while($buff = fgets($fsock, 2048)){
$out .= $buff;
}
fclose($fsock);
$pos = strpos($out, "\r\n\r\n");
$head = substr($out, 0, $pos);    //http head
$status = substr($head, 0, strpos($head, "\r\n"));    //http status line
$body = substr($out, $pos + 4, strlen($out) - ($pos + 4));//page body
if(preg_match("/^HTTP\/\d\.\d\s([\d]+)\s.*$/", $status, $matches)){
if(intval($matches[1]) / 100 == 2){
return $body;
}else{
return false;
}
}else{
return false;
}
}


$post_data = array("name"=>"xd","sex"=>"man");
httpRequestPOST("http://localhost/post.php",$post_data);

　　socket写的顺序：

　　

POST /post.php HTTP/1.0

Accept: */*

Host: localhost

User-Agent: Lowell-Agent

Content-type: application/x-www-form-urlencoded

Content-Length: 15

Connection: Close

name=xd&sex=man

　　

普通POST的结果演示：

　　POST/?username=111&password=222HTTP/1.1

Host:127.0.0.1:8000

User-Agent:Mozilla/5.0(Windows;U;WindowsNT5.2;zh-CN;rv:1.9.0.1)Gecko/2008070208Firefox/3.0.1

Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Accept-Language:zh-cn,zh;q=0.5

Accept-Encoding:gzip,deflate

Accept-Charset:gb2312,utf-8;q=0.7,*;q=0.7

Keep-Alive:300

Connection:keep-alive

Referer:http://127.0.0.1:8000/?username=111&password=222

Content-Type:application/x-www-form-urlencoded

Content-Length:25

username=111&password=222

　　

GET的运行结果演示：

　　GET/?username=111&password=222HTTP/1.1

Host:127.0.0.1:8000

User-Agent:Mozilla/5.0(Windows;U;WindowsNT5.2;zh-CN;rv:1.9.0.1)Gecko/2008070208Firefox/3.0.1

Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Accept-Language:zh-cn,zh;q=0.5

Accept-Encoding:gzip,deflate

Accept-Charset:gb2312,utf-8;q=0.7,*;q=0.7

Keep-Alive:300

Connection:keep-alive

Referer:http://127.0.0.1:8000/?username=1&password=2

　　

POST文件上传的结果演示：

　　POST/?username=111&password=222HTTP/1.1

Host:127.0.0.1:8000

User-Agent:Mozilla/5.0(Windows;U;WindowsNT5.2;zh-CN;rv:1.9.0.1)Gecko/2008070208Firefox/3.0.1

Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Accept-Language:zh-cn,zh;q=0.5

Accept-Encoding:gzip,deflate

Accept-Charset:gb2312,utf-8;q=0.7,*;q=0.7

Keep-Alive:300

Connection:keep-alive

Referer:http://127.0.0.1:8000/?username=111&password=222

Content-Type:multipart/form-data;boundary=---------------------------23757983230932

Content-Length:1704

-----------------------------23757983230932

Content-Disposition:form-data;name="phototitle"

12

-----------------------------23757983230932

　　转自:http://blog.bigqi.com/read.php?157