FressRSS/lib/Minz/Request.php

<?php
/**
 * MINZ - Copyright 2011 Marien Fressinaud
 * Sous licence AGPL3 <http://www.gnu.org/licenses/>
*/

/**
 * Request représente la requête http
 */
class Minz_Request {
	private static $controller_name = '';
	private static $action_name = '';
	private static $params = array ();

	private static $default_controller_name = 'index';
	private static $default_action_name = 'index';

	/**
	 * Getteurs
	 */
	public static function controllerName () {
		return self::$controller_name;
	}
	public static function actionName () {
		return self::$action_name;
	}
	public static function params () {
		return self::$params;
	}
	static function htmlspecialchars_utf8 ($p) {
		if (is_array($p)) {
			return array_map('self::htmlspecialchars_utf8', $p);
		}
		return htmlspecialchars($p, ENT_COMPAT, 'UTF-8');
	}
	public static function param ($key, $default = false, $specialchars = false) {
		if (isset (self::$params[$key])) {
			$p = self::$params[$key];
			if(is_object($p) || $specialchars) {
				return $p;
			} else {
				return self::htmlspecialchars_utf8($p);
			}
		} else {
			return $default;
		}
	}
	public static function defaultControllerName () {
		return self::$default_controller_name;
	}
	public static function defaultActionName () {
		return self::$default_action_name;
	}

	/**
	 * Setteurs
	 */
	public static function _controllerName ($controller_name) {
		self::$controller_name = $controller_name;
	}
	public static function _actionName ($action_name) {
		self::$action_name = $action_name;
	}
	public static function _params ($params) {
		if (!is_array($params)) {
			$params = array ($params);
		}

		self::$params = $params;
	}
	public static function _param ($key, $value = false) {
		if ($value === false) {
			unset (self::$params[$key]);
		} else {
			self::$params[$key] = $value;
		}
	}

	/**
	 * Initialise la Request
	 */
	public static function init () {
		self::magicQuotesOff ();
	}

	/**
	 * Retourn le nom de domaine du site
	 */
	public static function getDomainName () {
		return $_SERVER['HTTP_HOST'];
	}

	/**
	 * Détermine la base de l'url
	 * @return la base de l'url
	 */
	public static function getBaseUrl () {
		$defaultBaseUrl = Minz_Configuration::baseUrl();
		if (!empty($defaultBaseUrl)) {
			return $defaultBaseUrl;
		} elseif (isset($_SERVER['REQUEST_URI'])) {
			return dirname($_SERVER['REQUEST_URI']) . '/';
		} else {
			return '/';
		}
	}

	/**
	 * Récupère l'URI de la requête
	 * @return l'URI
	 */
	public static function getURI () {
		if (isset ($_SERVER['REQUEST_URI'])) {
			$base_url = self::getBaseUrl ();
			$uri = $_SERVER['REQUEST_URI'];

			$len_base_url = strlen ($base_url);
			$real_uri = substr ($uri, $len_base_url);
		} else {
			$real_uri = '';
		}

		return $real_uri;
	}

	/**
	 * Relance une requête
	 * @param $url l'url vers laquelle est relancée la requête
	 * @param $redirect si vrai, force la redirection http
	 *                > sinon, le dispatcher recharge en interne
	 */
	public static function forward ($url = array (), $redirect = false) {
		$url = Minz_Url::checkUrl ($url);

		if ($redirect) {
			header ('Location: ' . Minz_Url::display ($url, 'php'));
			exit ();
		} else {
			self::_controllerName ($url['c']);
			self::_actionName ($url['a']);
			self::_params (array_merge (
				self::$params,
				$url['params']
			));
			Minz_Dispatcher::reset();
		}
	}


	/**
	 * Wrappers good notifications + redirection
	 * @param $msg notification content
	 * @param $url url array to where we should be forwarded
	 */
	public static function good($msg, $url = array()) {
		Minz_Session::_param('notification', array(
			'type' => 'good',
			'content' => $msg
		));

		Minz_Request::forward($url, true);
	}

	public static function bad($msg, $url = array()) {
		Minz_Session::_param('notification', array(
			'type' => 'bad',
			'content' => $msg
		));

		Minz_Request::forward($url, true);
	}


	/**
	 * Permet de récupérer une variable de type $_GET
	 * @param $param nom de la variable
	 * @param $default valeur par défaut à attribuer à la variable
	 * @return $_GET[$param]
	 *         $_GET si $param = false
	 *         $default si $_GET[$param] n'existe pas
	 */
	public static function fetchGET ($param = false, $default = false) {
		if ($param === false) {
			return $_GET;
		} elseif (isset ($_GET[$param])) {
			return $_GET[$param];
		} else {
			return $default;
		}
	}

	/**
	 * Permet de récupérer une variable de type $_POST
	 * @param $param nom de la variable
	 * @param $default valeur par défaut à attribuer à la variable
	 * @return $_POST[$param]
	 *         $_POST si $param = false
	 *         $default si $_POST[$param] n'existe pas
	 */
	public static function fetchPOST ($param = false, $default = false) {
		if ($param === false) {
			return $_POST;
		} elseif (isset ($_POST[$param])) {
			return $_POST[$param];
		} else {
			return $default;
		}
	}

	/**
	 * Méthode désactivant les magic_quotes pour les variables
	 *   $_GET
	 *   $_POST
	 *   $_COOKIE
	 */
	private static function magicQuotesOff () {
		if (get_magic_quotes_gpc ()) {
			$_GET = Minz_Helper::stripslashes_r ($_GET);
			$_POST = Minz_Helper::stripslashes_r ($_POST);
			$_COOKIE = Minz_Helper::stripslashes_r ($_COOKIE);
		}
	}

	public static function isPost () {
		return $_SERVER['REQUEST_METHOD'] === 'POST';
	}
}