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<?php
/**
* Handles client request.
* @package Core
*/
class Request {
/**
* Stores POST data
* @var array
* @access private
*/
private $_post;
/**
* Stores GET data
* @var array
* @access private
*/
private $_get;
/**
* Current Route
* @var Route
* @access public
*/
public $route;
/**
* Request method
* @var string
* @access public
*/
public $method;
/**
* Creates a new request
*
* @param Route $route Route for this request
* @param string $method HTTP method for the request (e.g. GET, POST)
* @param array $post Array of POST data
* @param array $get Array of GET data
* @param array $server Array of SERVER data
* @return Request Initialized request
*
* @access public
*/
public function __construct($route, $method="GET", $post = array(), $get = array(), $server = array()) {
$this->route = $route;
$this->method = $method;
$this->_post = $post;
$this->_get = $get;
$this->_server = $server;
}
/**
* Retrieves a GET parameter
*
* @param string $key Parameter key
* @param mixed $default Default value
* @return mixed Returns a value if a key is specified,
* or an array of GET parameters if it isn't.
* @access public
*/
public function get($key = null, $default = null) {
if ($key == null)
return $this->_get;
return Misc::arr($this->_get,$key,$default);
}
/**
* Retrieves a POST parameter
*
* @param string $key Parameter key
* @param mixed $default Default value
* @return mixed Returns a value if a key is specified,
* or an array of POST parameters if it isn't.
* @access public
*/
public function post($key = null, $default = null) {
if ($key == null)
return $this->_post;
return Misc::arr($this->_post,$key,$default);
}
/**
* Retrieves a SERVER parameter
*
* @param string $key Parameter key
* @param mixed $default Default value
* @return mixed Returns a value if a key is specified,
* or an array of SERVER parameters if it isn't.
* @access public
*/
public function server($key = null, $default = null) {
if ($key == null)
return $this->_server;
return Misc::arr($this->_server,$key,$default);
}
/**
* Retrieves a Route parameter
*
* @param string $key Parameter key
* @param mixed $default Default value
* @return mixed Returns a value if a key is specified,
* or an array of Route parameters if it isn't.
* @access public
*/
public function param($key = null, $default = null) {
if ($key == null)
return $this->route->params;
return Misc::arr($this->route->params,$key,$default);
}
/**
* Initializes the routed Controller and executes specified action
*
* @return Response A Response object with the body and headers set
* @access public
*/
public function execute() {
$controller = $this->param('controller').'_Controller';
if (!class_exists($controller))
throw new Exception("Class {$controller} doesn't exist",404);
$controller = new $controller;
$controller->request = $this;
$controller->run($this->param('action'));
return $controller->response;
}
/**
* Creates a Request representing current HTTP request.
*
* @return Request Request
* @access public
* @static
*/
public static function create() {
$uri = $_SERVER['REQUEST_URI'];
$basepath=Config::get('core.basepath','/');
$uri = preg_replace("#^{$basepath}(?:index\.php/)?#i", '/', $uri);
$url_parts = parse_url($uri);
return new Request(Route::match($url_parts['path']), $_SERVER['REQUEST_METHOD'], $_POST, $_GET, $_SERVER);
}
}
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