304 lines
7.6 KiB
PHP
304 lines
7.6 KiB
PHP
<?php defined('SYSPATH') OR die('No direct access allowed.');
|
|
/**
|
|
* Router
|
|
*
|
|
* $Id: Router.php 4391 2009-06-04 03:10:12Z zombor $
|
|
*
|
|
* @package Core
|
|
* @author Kohana Team
|
|
* @copyright (c) 2007-2008 Kohana Team
|
|
* @license http://kohanaphp.com/license.html
|
|
*/
|
|
class Router_Core {
|
|
|
|
protected static $routes;
|
|
|
|
public static $current_uri = '';
|
|
public static $query_string = '';
|
|
public static $complete_uri = '';
|
|
public static $routed_uri = '';
|
|
public static $url_suffix = '';
|
|
|
|
public static $segments;
|
|
public static $rsegments;
|
|
|
|
public static $controller;
|
|
public static $controller_path;
|
|
|
|
public static $method = 'index';
|
|
public static $arguments = array();
|
|
|
|
/**
|
|
* Router setup routine. Automatically called during Kohana setup process.
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function setup()
|
|
{
|
|
if ( ! empty($_SERVER['QUERY_STRING']))
|
|
{
|
|
// Set the query string to the current query string
|
|
Router::$query_string = '?'.trim($_SERVER['QUERY_STRING'], '&/');
|
|
}
|
|
|
|
if (Router::$routes === NULL)
|
|
{
|
|
// Load routes
|
|
Router::$routes = Kohana::config('routes');
|
|
}
|
|
|
|
// Default route status
|
|
$default_route = FALSE;
|
|
|
|
if (Router::$current_uri === '')
|
|
{
|
|
// Make sure the default route is set
|
|
if ( ! isset(Router::$routes['_default']))
|
|
throw new Kohana_Exception('core.no_default_route');
|
|
|
|
// Use the default route when no segments exist
|
|
Router::$current_uri = Router::$routes['_default'];
|
|
|
|
// Default route is in use
|
|
$default_route = TRUE;
|
|
}
|
|
|
|
// Make sure the URL is not tainted with HTML characters
|
|
Router::$current_uri = html::specialchars(Router::$current_uri, FALSE);
|
|
|
|
// Remove all dot-paths from the URI, they are not valid
|
|
Router::$current_uri = preg_replace('#\.[\s./]*/#', '', Router::$current_uri);
|
|
|
|
// At this point segments, rsegments, and current URI are all the same
|
|
Router::$segments = Router::$rsegments = Router::$current_uri = trim(Router::$current_uri, '/');
|
|
|
|
// Set the complete URI
|
|
Router::$complete_uri = Router::$current_uri.Router::$query_string;
|
|
|
|
// Explode the segments by slashes
|
|
Router::$segments = ($default_route === TRUE OR Router::$segments === '') ? array() : explode('/', Router::$segments);
|
|
|
|
if ($default_route === FALSE AND count(Router::$routes) > 1)
|
|
{
|
|
// Custom routing
|
|
Router::$rsegments = Router::routed_uri(Router::$current_uri);
|
|
}
|
|
|
|
// The routed URI is now complete
|
|
Router::$routed_uri = Router::$rsegments;
|
|
|
|
// Routed segments will never be empty
|
|
Router::$rsegments = explode('/', Router::$rsegments);
|
|
|
|
// Prepare to find the controller
|
|
$controller_path = '';
|
|
$method_segment = NULL;
|
|
|
|
// Paths to search
|
|
$paths = Kohana::include_paths();
|
|
|
|
foreach (Router::$rsegments as $key => $segment)
|
|
{
|
|
// Add the segment to the search path
|
|
$controller_path .= $segment;
|
|
|
|
$found = FALSE;
|
|
foreach ($paths as $dir)
|
|
{
|
|
// Search within controllers only
|
|
$dir .= 'controllers/';
|
|
|
|
if (is_dir($dir.$controller_path) OR is_file($dir.$controller_path.EXT))
|
|
{
|
|
// Valid path
|
|
$found = TRUE;
|
|
|
|
// The controller must be a file that exists with the search path
|
|
if ($c = str_replace('\\', '/', realpath($dir.$controller_path.EXT))
|
|
AND is_file($c) AND strpos($c, $dir) === 0)
|
|
{
|
|
// Set controller name
|
|
Router::$controller = $segment;
|
|
|
|
// Change controller path
|
|
Router::$controller_path = $c;
|
|
|
|
// Set the method segment
|
|
$method_segment = $key + 1;
|
|
|
|
// Stop searching
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($found === FALSE)
|
|
{
|
|
// Maximum depth has been reached, stop searching
|
|
break;
|
|
}
|
|
|
|
// Add another slash
|
|
$controller_path .= '/';
|
|
}
|
|
|
|
if ($method_segment !== NULL AND isset(Router::$rsegments[$method_segment]))
|
|
{
|
|
// Set method
|
|
Router::$method = Router::$rsegments[$method_segment];
|
|
|
|
if (isset(Router::$rsegments[$method_segment + 1]))
|
|
{
|
|
// Set arguments
|
|
Router::$arguments = array_slice(Router::$rsegments, $method_segment + 1);
|
|
}
|
|
}
|
|
|
|
// Last chance to set routing before a 404 is triggered
|
|
Event::run('system.post_routing');
|
|
|
|
if (Router::$controller === NULL)
|
|
{
|
|
// No controller was found, so no page can be rendered
|
|
Event::run('system.404');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempts to determine the current URI using CLI, GET, PATH_INFO, ORIG_PATH_INFO, or PHP_SELF.
|
|
*
|
|
* @return void
|
|
*/
|
|
public static function find_uri()
|
|
{
|
|
if (PHP_SAPI === 'cli')
|
|
{
|
|
// Command line requires a bit of hacking
|
|
if (isset($_SERVER['argv'][1]))
|
|
{
|
|
Router::$current_uri = $_SERVER['argv'][1];
|
|
|
|
// Remove GET string from segments
|
|
if (($query = strpos(Router::$current_uri, '?')) !== FALSE)
|
|
{
|
|
list (Router::$current_uri, $query) = explode('?', Router::$current_uri, 2);
|
|
|
|
// Parse the query string into $_GET
|
|
parse_str($query, $_GET);
|
|
|
|
// Convert $_GET to UTF-8
|
|
$_GET = utf8::clean($_GET);
|
|
}
|
|
}
|
|
}
|
|
elseif (isset($_GET['kohana_uri']))
|
|
{
|
|
// Use the URI defined in the query string
|
|
Router::$current_uri = $_GET['kohana_uri'];
|
|
|
|
// Remove the URI from $_GET
|
|
unset($_GET['kohana_uri']);
|
|
|
|
// Remove the URI from $_SERVER['QUERY_STRING']
|
|
$_SERVER['QUERY_STRING'] = preg_replace('~\bkohana_uri\b[^&]*+&?~', '', $_SERVER['QUERY_STRING']);
|
|
}
|
|
elseif (isset($_SERVER['PATH_INFO']) AND $_SERVER['PATH_INFO'])
|
|
{
|
|
Router::$current_uri = $_SERVER['PATH_INFO'];
|
|
}
|
|
elseif (isset($_SERVER['ORIG_PATH_INFO']) AND $_SERVER['ORIG_PATH_INFO'])
|
|
{
|
|
Router::$current_uri = $_SERVER['ORIG_PATH_INFO'];
|
|
}
|
|
elseif (isset($_SERVER['PHP_SELF']) AND $_SERVER['PHP_SELF'])
|
|
{
|
|
Router::$current_uri = $_SERVER['PHP_SELF'];
|
|
}
|
|
|
|
if (($strpos_fc = strpos(Router::$current_uri, KOHANA)) !== FALSE)
|
|
{
|
|
// Remove the front controller from the current uri
|
|
Router::$current_uri = (string) substr(Router::$current_uri, $strpos_fc + strlen(KOHANA));
|
|
}
|
|
|
|
// Remove slashes from the start and end of the URI
|
|
Router::$current_uri = trim(Router::$current_uri, '/');
|
|
|
|
if (Router::$current_uri !== '')
|
|
{
|
|
if ($suffix = Kohana::config('core.url_suffix') AND strpos(Router::$current_uri, $suffix) !== FALSE)
|
|
{
|
|
// Remove the URL suffix
|
|
Router::$current_uri = preg_replace('#'.preg_quote($suffix).'$#u', '', Router::$current_uri);
|
|
|
|
// Set the URL suffix
|
|
Router::$url_suffix = $suffix;
|
|
}
|
|
|
|
// Reduce multiple slashes into single slashes
|
|
Router::$current_uri = preg_replace('#//+#', '/', Router::$current_uri);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates routed URI from given URI.
|
|
*
|
|
* @param string URI to convert
|
|
* @return string Routed uri
|
|
*/
|
|
public static function routed_uri($uri)
|
|
{
|
|
if (Router::$routes === NULL)
|
|
{
|
|
// Load routes
|
|
Router::$routes = Kohana::config('routes');
|
|
}
|
|
|
|
// Prepare variables
|
|
$routed_uri = $uri = trim($uri, '/');
|
|
|
|
if (isset(Router::$routes[$uri]))
|
|
{
|
|
// Literal match, no need for regex
|
|
$routed_uri = Router::$routes[$uri];
|
|
}
|
|
else
|
|
{
|
|
// Loop through the routes and see if anything matches
|
|
foreach (Router::$routes as $key => $val)
|
|
{
|
|
if ($key === '_default') continue;
|
|
|
|
// Trim slashes
|
|
$key = trim($key, '/');
|
|
$val = trim($val, '/');
|
|
|
|
if (preg_match('#^'.$key.'$#u', $uri))
|
|
{
|
|
if (strpos($val, '$') !== FALSE)
|
|
{
|
|
// Use regex routing
|
|
$routed_uri = preg_replace('#^'.$key.'$#u', $val, $uri);
|
|
}
|
|
else
|
|
{
|
|
// Standard routing
|
|
$routed_uri = $val;
|
|
}
|
|
|
|
// A valid route has been found
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset(Router::$routes[$routed_uri]))
|
|
{
|
|
// Check for double routing (without regex)
|
|
$routed_uri = Router::$routes[$routed_uri];
|
|
}
|
|
|
|
return trim($routed_uri, '/');
|
|
}
|
|
|
|
} // End Router
|