diff options
Diffstat (limited to 'system/helpers/remote.php')
| -rw-r--r-- | system/helpers/remote.php | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/system/helpers/remote.php b/system/helpers/remote.php new file mode 100644 index 0000000..e6edb9c --- /dev/null +++ b/system/helpers/remote.php @@ -0,0 +1,64 @@ +<?php defined('SYSPATH') OR die('No direct access allowed.'); +/** + * Remote url/file helper. + * + * @package Kohana + * @author Kohana Team + * @copyright (c) 2007-2009 Kohana Team + * @license http://kohanaphp.com/license + */ +class remote_Core { + + public static function status($url) + { + if ( ! valid::url($url)) + return FALSE; + + // Get the hostname and path + $url = parse_url($url); + + if (empty($url['path'])) + { + // Request the root document + $url['path'] = '/'; + } + + // Open a remote connection + $remote = fsockopen($url['host'], 80, $errno, $errstr, 5); + + if ( ! is_resource($remote)) + return FALSE; + + // Set CRLF + $CRLF = "\r\n"; + + // Send request + fwrite($remote, 'HEAD '.$url['path'].(isset($url['query']) ? '?'.$url['query'] : '').' HTTP/1.0'.$CRLF); + fwrite($remote, 'Host: '.$url['host'].$CRLF); + fwrite($remote, 'Connection: close'.$CRLF); + fwrite($remote, 'User-Agent: Kohana Framework (+http://kohanaphp.com/)'.$CRLF); + + // Send one more CRLF to terminate the headers + fwrite($remote, $CRLF); + + while ( ! feof($remote)) + { + // Get the line + $line = trim(fgets($remote, 512)); + + if ($line !== '' AND preg_match('#^HTTP/1\.[01] (\d{3})#', $line, $matches)) + { + // Response code found + $response = (int) $matches[1]; + + break; + } + } + + // Close the connection + fclose($remote); + + return isset($response) ? $response : FALSE; + } + +} // End remote |
