MIF_E31222691/system/request.php

144 lines
3.5 KiB
PHP

<?php namespace System;
class Request {
/**
* Get the request URI.
*
* @return string
*/
public static function uri()
{
// -------------------------------------------------------
// If the PATH_INFO is available, use it.
// -------------------------------------------------------
if (isset($_SERVER['PATH_INFO']))
{
$uri = $_SERVER['PATH_INFO'];
}
// -------------------------------------------------------
// No PATH_INFO? Let's try REQUEST_URI.
// -------------------------------------------------------
elseif (isset($_SERVER['REQUEST_URI']))
{
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
if ($uri === false)
{
throw new \Exception("Malformed request URI. Request terminated.");
}
}
// -------------------------------------------------------
// Neither PATH_INFO or REQUEST_URI are available.
// -------------------------------------------------------
else
{
throw new \Exception('Unable to determine the request URI.');
}
// -------------------------------------------------------
// Remove the application URL.
// -------------------------------------------------------
$base_url = parse_url(Config::get('application.url'), PHP_URL_PATH);
if (strpos($uri, $base_url) === 0)
{
$uri = (string) substr($uri, strlen($base_url));
}
// -------------------------------------------------------
// Remove the application index and any extra slashes.
// -------------------------------------------------------
$uri = trim(str_replace('/index.php', '', $uri), '/');
// -------------------------------------------------------
// If the requests is to the root of the application, we
// always return a single forward slash.
// -------------------------------------------------------
return ($uri == '') ? '/' : Str::lower($uri);
}
/**
* Check the request URI.
*
* @param mixed $uri
* @return bool
*/
public static function is($uri)
{
if (is_array($uri))
{
return (in_array(static::uri(), $uri)) ? true : false;
}
else
{
return (static::uri() == $uri) ? true : false;
}
}
/**
* Get the request method.
*
* @return string
*/
public static function method()
{
// --------------------------------------------------------------
// The method can be spoofed using a POST variable, allowing HTML
// forms to simulate PUT and DELETE requests.
// --------------------------------------------------------------
return Arr::get($_POST, 'REQUEST_METHOD', $_SERVER['REQUEST_METHOD']);
}
/**
* Get the requestor's IP address.
*
* @return string
*/
public static function ip()
{
if (isset($_SERVER['HTTP_X_FORWARDED_FOR']))
{
return $_SERVER['HTTP_X_FORWARDED_FOR'];
}
elseif (isset($_SERVER['HTTP_CLIENT_IP']))
{
return $_SERVER['HTTP_CLIENT_IP'];
}
elseif (isset($_SERVER['REMOTE_ADDR']))
{
return $_SERVER['REMOTE_ADDR'];
}
}
/**
* Determine if the request is using HTTPS.
*
* @return bool
*/
public static function is_secure()
{
return (static::protocol() == 'https');
}
/**
* Get the HTTP protocol for the request.
*
* @return string
*/
public static function protocol()
{
return (isset($_SERVER['HTTPS']) and $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
}
/**
* Determine if the request is an AJAX request.
*
* @return bool
*/
public static function is_ajax()
{
return (isset($_SERVER['HTTP_X_REQUESTED_WITH']) and Str::lower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest');
}
}