connect("/var/run/redis/redis.sock");
$redis->ping();
$redis->select(9);
$key = md5( $url . serialize($customHeader) );
if( $redis->exists( $key ) ){
return unserialize( $redis->get( $key ) );
}
$agent = "Retrieve HTTP headers online. v0.1";
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_USERAGENT, $agent);
curl_setopt($ch, CURLINFO_HEADER_OUT, 1);
switch($method){
case("head"):
curl_setopt($ch, CURLOPT_NOBODY, true);
break;
case("post"):
curl_setopt($ch, CURLOPT_POST, true);
default:
break;
}
if ( ! empty($customHeader) ){
curl_setopt($ch, CURLOPT_HTTPHEADER, $customHeader);
}
$response = curl_exec($ch);
if ( ! $response )
return false;
$request = curl_getinfo($ch, CURLINFO_HEADER_OUT);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($response, 0, $header_size);
$host = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
$result = array($request, $header, $host);
# redis. remove this line if no redis
$redis->set( $key, serialize($result), 60 );
return $result;
}
if ( ! isset($_REQUEST['method']) || $_REQUEST['method'] != "" ){
$_REQUEST['method'] = 'get';
} else {
$_REQUEST['method'] = strtolower($_REQUEST['method']);
}
$header_info = getInfo($_REQUEST['url'], $_REQUEST['method'], $_REQUEST['header']);
if ( ! $header_info ){
echo "
Failure!
Requested URL: \"".htmlentities($_REQUEST['url'])."\"
Couldn't retrieve URL. Please check whether the website is available and try again.
";
} else {
?>
Success!
Requested URL: ""
Host: ""
Request Header:
".htmlentities($header_info[0])."";
?>
Response Header:
";
echo htmlentities($header_info[1]);
echo "";
}
?>
Entries are cached for 60 seconds.
Retrieve HTTP Headers Online!
Check the response headers for websites.
Enter a URL and hit the submit button.