public static function fsockopenDownload($url, $conf = [])
{
$return = '';
if (!is_array($conf)) {
return $return;
}
$matches = parse_url($url);
!isset($matches['host']) && ($matches['host'] = '');
!isset($matches['path']) && ($matches['path'] = '');
!isset($matches['query']) && ($matches['query'] = '');
!isset($matches['port']) && ($matches['port'] = '');
$host = $matches['host'];
$path = $matches['path'] ? $matches['path'] . ($matches['query'] ? '?' . $matches['query'] : '') : '/';
$port = !empty($matches['port']) ? $matches['port'] : 80;
$confArr = ['limit' => 0, 'post' => '', 'cookie' => '', 'ip' => '', 'timeout' => 15, 'block' => true];
foreach (array_merge($confArr, $conf) as $k => $v) {
${$k} = $v;
}
$post = '';
if ($conf['post']) {
if (is_array($conf['post'])) {
$post = http_build_query($conf['post']);
}
$out = "POST {$path} HTTP/1.0\r\n";
$out .= "Accept: */*\r\n";
//$out .= "Referer: $boardurl\r\n";
$out .= "Accept-Language: zh-cn\r\n";
$out .= "Content-Type: application/x-www-form-urlencoded\r\n";
$out .= "User-Agent: {$_SERVER['HTTP_USER_AGENT']}\r\n";
$out .= "Host: {$host}\r\n";
$out .= 'Content-Length: ' . strlen($conf['post']) . "\r\n";
$out .= "Connection: Close\r\n";
$out .= "Cache-Control: no-cache\r\n";
$out .= "Cookie: " . $conf['cookie'] . "\r\n\r\n";
$out .= $post;
} else {
$out = "GET {$path} HTTP/1.0\r\n";
$out .= "Accept: */*\r\n";
//$out .= "Referer: $boardurl\r\n";
$out .= "Accept-Language: zh-cn\r\n";
$out .= "User-Agent: {$_SERVER['HTTP_USER_AGENT']}\r\n";
$out .= "Host: {$host}\r\n";
$out .= "Connection: Close\r\n";
$out .= "Cookie: " . $conf['cookie'] . "\r\n\r\n";
}
$fp = fsockopen($conf['ip'] ? $conf['ip'] : $host, $port, $errno, $errstr, $timeout);
if (!$fp) {
return '';
} else {
stream_set_blocking($fp, $conf['block']);
stream_set_timeout($fp, $timeout);
fwrite($fp, $out);
$status = stream_get_meta_data($fp);
if (!$status['timed_out']) {
while (!feof($fp)) {
if (($header = @fgets($fp)) && ($header == "\r\n" || $header == "\n")) {
break;
}
}
$stop = false;
while (!feof($fp) && !$stop) {
$data = fread($fp, $conf['limit'] == 0 || $conf['limit'] > 8192 ? 8192 : $conf['limit']);
$return .= $data;
if ($conf['limit']) {
$conf['limit'] -= strlen($data);
$stop = $conf['limit'] <= 0;
}
}
}
fclose($fp);
return $return;
}
}