Просмотр файла lib/http_request.php

<?
/**
 * Работа с http соединением
 * http://php.net/manual/ru/function.fsockopen.php
 * @param <type> $verb
 * @param <type> $ip
 * @param <type> $port
 * @param <type> $uri
 * @param <type> $getdata
 * @param <type> $postdata
 * @param <type> $cookie
 * @param <type> $custom_headers
 * @param <type> $timeout
 * @param <type> $req_hdr
 * @param <type> $res_hdr
 * @return <type>
 */
function http_request(
$verb = 'GET', /* HTTP Request Method (GET and POST supported) */
     $ip, /* Target IP/Hostname */
     $port = 80, /* Target TCP port */
     $uri = '/', /* Target URI */
     $getdata = array(), /* HTTP GET Data ie. array('var1' => 'val1', 'var2' => 'val2') */
     $postdata = array(), /* HTTP POST Data ie. array('var1' => 'val1', 'var2' => 'val2') */
     $cookie = array(), /* HTTP Cookie Data ie. array('var1' => 'val1', 'var2' => 'val2') */
     $custom_headers = array(), /* Custom HTTP headers ie. array('Referer: http://localhost/ */
     $timeout = 1000, /* Socket timeout in milliseconds */
     $req_hdr = false, /* Include HTTP request headers */
     $res_hdr = false /* Include HTTP response headers */
) {
        $ret = '';
        $verb = strtoupper($verb);
        $cookie_str = '';
        $getdata_str = count($getdata) ? '?' : '';
        $postdata_str = '';

        foreach ($getdata as $k => $v)
                $getdata_str .= urlencode($k) . '=' . urlencode($v) . '&';

        foreach ($postdata as $k => $v)
                $postdata_str .= urlencode($k) . '=' . urlencode($v) . '&';

        foreach ($cookie as $k => $v)
                $cookie_str .= urlencode($k) . '=' . urlencode($v) . '; ';

        $crlf = "\r\n";
        $req = $verb . ' ' . $uri . $getdata_str . ' HTTP/1.1' . $crlf;
        $req .= 'Host: ' . $ip . $crlf;
        $req .= 'User-Agent: Mozilla/5.0 Firefox/3.6.12' . $crlf;
        $req .= 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' . $crlf;
        $req .= 'Accept-Language: en-us,en;q=0.5' . $crlf;
        $req .= 'Accept-Encoding: deflate' . $crlf;
        $req .= 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7' . $crlf;

        foreach ($custom_headers as $k => $v)
                $req .= $k . ': ' . $v . $crlf;

        if (!empty($cookie_str))
                $req .= 'Cookie: ' . substr($cookie_str, 0, -2) . $crlf;

        if ($verb == 'POST' && !empty($postdata_str)) {
                $postdata_str = substr($postdata_str, 0, -1);
                $req .= 'Content-Type: application/x-www-form-urlencoded' . $crlf;
                $req .= 'Content-Length: ' . strlen($postdata_str) . $crlf . $crlf;
                $req .= $postdata_str;
        }
        else
                $req .= $crlf;

        if ($req_hdr)
                $ret .= $req;

        if (($fp = @fsockopen($ip, $port, $errno, $errstr)) == false)
                return "Error $errno: $errstr\n";

        stream_set_timeout($fp, 0, $timeout * 1000);

        fputs($fp, $req);
        while ($line = fgets($fp))
                $ret .= $line;
        fclose($fp);

        if (!$res_hdr)
                $ret = substr($ret, strpos($ret, "\r\n\r\n") + 4);

        return $ret;
}
?>