136 lines
3.3 KiB
PHP
136 lines
3.3 KiB
PHP
<?php namespace System;
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class Request {
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/**
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* The request URI.
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*
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* @var string
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*/
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public static $uri;
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/**
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* Get the request URI.
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*
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* @return string
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*/
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public static function uri()
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{
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// --------------------------------------------------------------
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// Have we already determined the URI?
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// --------------------------------------------------------------
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if ( ! is_null(static::$uri))
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{
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return static::$uri;
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}
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// --------------------------------------------------------------
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// Use the PATH_INFO variable if it is available.
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// --------------------------------------------------------------
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if (isset($_SERVER['PATH_INFO']))
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{
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return static::$uri = static::tidy($_SERVER['PATH_INFO']);
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}
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// --------------------------------------------------------------
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// If the server REQUEST_URI variable is not available, bail out.
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// --------------------------------------------------------------
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if ( ! isset($_SERVER['REQUEST_URI']))
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{
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throw new \Exception('Unable to determine the request URI.');
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}
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// --------------------------------------------------------------
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// Get the PHP_URL_PATH of the request URI.
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// --------------------------------------------------------------
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$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
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// --------------------------------------------------------------
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// Slice the application URL off of the URI.
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// --------------------------------------------------------------
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if (strpos($uri, $base_url = parse_url(Config::get('application.url'), PHP_URL_PATH)) === 0)
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{
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$uri = substr($uri, strlen($base_url));
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}
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return static::$uri = static::tidy($uri);
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}
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/**
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* Tidy up a URI for use by Laravel. For empty URIs, a forward
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* slash will be returned.
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*
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* @param string $uri
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* @return string
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*/
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private static function tidy($uri)
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{
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return ($uri != '/') ? Str::lower(trim($uri, '/')) : '/';
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}
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/**
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* Get the request method.
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*
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* @return string
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*/
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public static function method()
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{
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// --------------------------------------------------------------
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// The method can be spoofed using a POST variable. This allows
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// HTML forms to simulate PUT and DELETE methods.
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// --------------------------------------------------------------
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return (isset($_POST['request_method'])) ? $_POST['request_method'] : $_SERVER['REQUEST_METHOD'];
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}
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/**
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* Get the requestor's IP address.
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*
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* @return string
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*/
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public static function ip()
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{
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if (isset($_SERVER['HTTP_X_FORWARDED_FOR']))
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{
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return $_SERVER['HTTP_X_FORWARDED_FOR'];
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}
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elseif (isset($_SERVER['HTTP_CLIENT_IP']))
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{
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return $_SERVER['HTTP_CLIENT_IP'];
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}
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elseif (isset($_SERVER['REMOTE_ADDR']))
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{
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return $_SERVER['REMOTE_ADDR'];
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}
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}
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/**
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* Determine if the request is using HTTPS.
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*
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* @return bool
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*/
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public static function is_secure()
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{
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return (static::protocol() == 'https');
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}
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/**
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* Get the HTTP protocol for the request.
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*
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* @return string
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*/
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public static function protocol()
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{
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return (isset($_SERVER['HTTPS']) and $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
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}
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/**
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* Determine if the request is an AJAX request.
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*
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* @return bool
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*/
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public static function is_ajax()
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{
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return (isset($_SERVER['HTTP_X_REQUESTED_WITH']) and Str::lower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest');
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}
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} |