initial commit of laravel!

system/request.php

@@ -0,0 +1,136 @@
+<?php namespace System;
+
+class Request {
+
+	/**
+	 * The request URI.
+	 *
+	 * @var string
+	 */
+	public static $uri;
+
+	/**
+	 * Get the request URI.
+	 *
+	 * @return string
+	 */
+	public static function uri()
+	{
+		// --------------------------------------------------------------
+		// Have we already determined the URI?
+		// --------------------------------------------------------------
+		if ( ! is_null(static::$uri))
+		{
+			return static::$uri;
+		}
+
+		// --------------------------------------------------------------
+		// Use the PATH_INFO variable if it is available.
+		// --------------------------------------------------------------
+		if (isset($_SERVER['PATH_INFO']))
+		{
+			return static::$uri = static::tidy($_SERVER['PATH_INFO']);
+		}
+
+		// --------------------------------------------------------------
+		// If the server REQUEST_URI variable is not available, bail out.
+		// --------------------------------------------------------------
+		if ( ! isset($_SERVER['REQUEST_URI']))
+		{
+			throw new \Exception('Unable to determine the request URI.');			
+		}
+
+		// --------------------------------------------------------------
+		// Get the PHP_URL_PATH of the request URI.
+		// --------------------------------------------------------------
+		$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
+
+		// --------------------------------------------------------------
+		// Slice the application URL off of the URI.
+		// --------------------------------------------------------------
+		if (strpos($uri, $base_url = parse_url(Config::get('application.url'), PHP_URL_PATH)) === 0)
+		{
+			$uri = substr($uri, strlen($base_url));
+		}
+
+		return static::$uri = static::tidy($uri);
+	}
+
+	/**
+	 * Tidy up a URI for use by Laravel. For empty URIs, a forward
+	 * slash will be returned.
+	 *
+	 * @param  string  $uri
+	 * @return string
+	 */
+	private static function tidy($uri)
+	{
+		return ($uri != '/') ? Str::lower(trim($uri, '/')) : '/';
+	}
+
+	/**
+	 * Get the request method.
+	 *
+	 * @return string
+	 */
+	public static function method()
+	{
+		// --------------------------------------------------------------
+		// The method can be spoofed using a POST variable. This allows 
+		// HTML forms to simulate PUT and DELETE methods.
+		// --------------------------------------------------------------
+		return (isset($_POST['request_method'])) ? $_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');
+	}
+
+}