/standard/tags/release-1.5.0RC1/library/Zend/Controller/Action/Helper/Redirector.php
PHP | 496 lines | 216 code | 50 blank | 230 comment | 43 complexity | a9b5c46e81b14a729a29e23f8ed48165 MD5 | raw file
- <?php
- /**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to the new BSD license that is bundled
- * with this package in the file LICENSE.txt.
- * It is also available through the world-wide-web at this URL:
- * http://framework.zend.com/license/new-bsd
- * If you did not receive a copy of the license and are unable to
- * obtain it through the world-wide-web, please send an email
- * to license@zend.com so we can send you a copy immediately.
- *
- * @category Zend
- * @package Zend_Controller
- * @subpackage Action_Helper
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- /** Zend_Controller_Action_Exception */
- require_once 'Zend/Controller/Action/Exception.php';
- /** Zend_Controller_Action_Helper_Abstract */
- require_once 'Zend/Controller/Action/Helper/Abstract.php';
- /**
- * @category Zend
- * @package Zend_Controller
- * @subpackage Zend_Controller_Action
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Zend_Controller_Action_Helper_Redirector extends Zend_Controller_Action_Helper_Abstract
- {
- /**
- * HTTP status code for redirects
- * @var int
- */
- protected $_code = 302;
- /**
- * Whether or not calls to _redirect() should exit script execution
- * @var bool
- */
- protected $_exit = true;
- /**
- * Whether or not _redirect() should attempt to prepend the base URL to the
- * passed URL (if it's a relative URL)
- * @var bool
- */
- protected $_prependBase = true;
- /**
- * Url to which to redirect
- * @var string
- */
- protected $_redirectUrl = null;
- /**
- * Whether or not to use an absolute URI when redirecting
- * @var bool
- */
- protected $_useAbsoluteUri = false;
- /**
- * Retrieve HTTP status code to emit on {@link _redirect()} call
- *
- * @return int
- */
- public function getCode()
- {
- return $this->_code;
- }
- /**
- * Validate HTTP status redirect code
- *
- * @param int $code
- * @return true
- * @throws Zend_Controller_Action_Exception on invalid HTTP status code
- */
- protected function _checkCode($code)
- {
- if (!is_int($code) || (300 > $code) || (307 < $code)) {
- require_once 'Zend/Controller/Exception.php';
- throw new Zend_Controller_Action_Exception('Invalid redirect HTTP status code (' . $code . ')');
- }
- return true;
- }
- /**
- * Retrieve HTTP status code for {@link _redirect()} behaviour
- *
- * @param int $code
- * @return Zend_Controller_Action_Helper_Redirector
- */
- public function setCode($code)
- {
- $this->_checkCode($code);
- $this->_code = $code;
- return $this;
- }
- /**
- * Retrieve flag for whether or not {@link _redirect()} will exit when finished.
- *
- * @return bool
- */
- public function getExit()
- {
- return $this->_exit;
- }
- /**
- * Retrieve exit flag for {@link _redirect()} behaviour
- *
- * @param bool $flag
- * @return Zend_Controller_Action_Helper_Redirector
- */
- public function setExit($flag)
- {
- $this->_exit = ($flag) ? true : false;
- return $this;
- }
- /**
- * Retrieve flag for whether or not {@link _redirect()} will prepend the
- * base URL on relative URLs
- *
- * @return bool
- */
- public function getPrependBase()
- {
- return $this->_prependBase;
- }
- /**
- * Retrieve 'prepend base' flag for {@link _redirect()} behaviour
- *
- * @param bool $flag
- * @return Zend_Controller_Action_Helper_Redirector
- */
- public function setPrependBase($flag)
- {
- $this->_prependBase = ($flag) ? true : false;
- return $this;
- }
- /**
- * Return use absolute URI flag
- *
- * @return boolean
- */
- public function getUseAbsoluteUri()
- {
- return $this->_useAbsoluteUri;
- }
- /**
- * Set use absolute URI flag
- *
- * @param bool $flag
- * @return Zend_Controller_Action_Helper_Redirector
- */
- public function setUseAbsoluteUri($flag = true)
- {
- $this->_useAbsoluteUri = ($flag) ? true : false;
- return $this;
- }
- /**
- * Set redirect in response object
- *
- * @return void
- */
- protected function _redirect($url)
- {
- $this->_redirectUrl = $url;
- if ($this->getUseAbsoluteUri() && !preg_match('#^(https?|ftp)://#', $url)) {
- $host = $_SERVER['HTTP_HOST'];
- $proto = (empty($_SERVER['HTTPS'])) ? 'http' : 'https';
- $port = $_SERVER['SERVER_PORT'];
- $uri = $proto . '://' . $host;
- if ((('http' == $proto) && (80 != $port)) || (('https' == $proto) && (443 != $port))) {
- $uri .= ':' . $port;
- }
- $url = $uri . '/' . ltrim($url, '/');
- }
- $this->getResponse()->setRedirect($url, $this->getCode());
- }
- /**
- * Retrieve currently set URL for redirect
- *
- * @return string
- */
- public function getRedirectUrl()
- {
- return $this->_redirectUrl;
- }
- /**
- * Determine if the baseUrl should be prepended, and prepend if necessary
- *
- * @param string $url
- * @return string
- */
- protected function _prependBase($url)
- {
- if ($this->getPrependBase()) {
- $request = $this->getRequest();
- if ($request instanceof Zend_Controller_Request_Http) {
- $base = rtrim($request->getBaseUrl(), '/');
- if (!empty($base) && ('/' != $base)) {
- $url = $base . '/' . ltrim($url, '/');
- }
- }
- }
- return $url;
- }
- /**
- * Set a redirect URL of the form /module/controller/action/params
- *
- * @param string $action
- * @param string $controller
- * @param string $module
- * @param array $params
- * @return void
- */
- public function setGoto($action, $controller = null, $module = null, array $params = array())
- {
- $dispatcher = Zend_Controller_Front::getInstance()->getDispatcher();
- $request = $this->getRequest();
- if (null === $module) {
- $module = $request->getModuleName();
- if ($module == $dispatcher->getDefaultModule()) {
- $module = '';
- }
- }
- if (null === $controller) {
- $controller = $request->getControllerName();
- if (empty($controller)) {
- $controller = $dispatcher->getDefaultControllerName();
- }
- }
- $paramsNormalized = array();
- foreach ($params as $key => $value) {
- $paramsNormalized[] = $key . '/' . $value;
- }
- $paramsString = implode('/', $paramsNormalized);
- if (!empty($paramsString)) {
- $url = $module . '/' . $controller . '/' . $action . '/' . $paramsString;
- } else {
- if ($action != $dispatcher->getDefaultAction()) {
- $url = $module . '/' . $controller . '/' . $action;
- } else {
- if ($controller != $dispatcher->getDefaultControllerName()) {
- $url = $module . '/' . $controller;
- } else {
- $url = $module;
- }
- }
- }
- $url = '/' . trim($url, '/');
- $url = $this->_prependBase($url);
- $this->_redirect($url);
- }
- /**
- * Build a URL based on a route
- *
- * @param array $urlOptions
- * @param string $name Route name
- * @param boolean $reset
- * @return void
- */
- public function setGotoRoute(array $urlOptions = array(), $name = null, $reset = false)
- {
- $router = Zend_Controller_Front::getInstance()->getRouter();
- if (empty($name)) {
- try {
- $name = $router->getCurrentRouteName();
- } catch (Zend_Controller_Router_Exception $e) {
- if ($router->hasRoute('default')) {
- $name = 'default';
- }
- }
- }
- $route = $router->getRoute($name);
- $request = $this->getRequest();
- $url = rtrim($request->getBaseUrl(), '/') . '/';
- $url .= $route->assemble($urlOptions, $reset);
- $this->_redirect($url);
- }
- /**
- * Set a redirect URL string
- *
- * By default, emits a 302 HTTP status header, prepends base URL as defined
- * in request object if url is relative, and halts script execution by
- * calling exit().
- *
- * $options is an optional associative array that can be used to control
- * redirect behaviour. The available option keys are:
- * - exit: boolean flag indicating whether or not to halt script execution when done
- * - prependBase: boolean flag indicating whether or not to prepend the base URL when a relative URL is provided
- * - code: integer HTTP status code to use with redirect. Should be between 300 and 307.
- *
- * _redirect() sets the Location header in the response object. If you set
- * the exit flag to false, you can override this header later in code
- * execution.
- *
- * If the exit flag is true (true by default), _redirect() will write and
- * close the current session, if any.
- *
- * @param string $url
- * @param array $options
- * @return void
- */
- public function setGotoUrl($url, array $options = array())
- {
- // prevent header injections
- $url = str_replace(array("\n", "\r"), '', $url);
- $exit = $this->getExit();
- $prependBase = $this->getPrependBase();
- $code = $this->getCode();
- if (null !== $options) {
- if (isset($options['exit'])) {
- $this->setExit(($options['exit']) ? true : false);
- }
- if (isset($options['prependBase'])) {
- $this->setPrependBase(($options['prependBase']) ? true : false);
- }
- if (isset($options['code'])) {
- $this->setCode($options['code']);
- }
- }
- // If relative URL, decide if we should prepend base URL
- if (!preg_match('|^[a-z]+://|', $url)) {
- $url = $this->_prependBase($url);
- }
- $this->_redirect($url);
- }
- /**
- * Perform a redirect to an action/controller/module with params
- *
- * @param string $action
- * @param string $controller
- * @param string $module
- * @param array $params
- * @return void
- */
- public function goto($action, $controller = null, $module = null, array $params = array())
- {
- $this->setGoto($action, $controller, $module, $params);
- if ($this->getExit()) {
- $this->redirectAndExit();
- }
- }
- /**
- * Perform a redirect to an action/controller/module with params, forcing an immdiate exit
- *
- * @param mixed $action
- * @param mixed $controller
- * @param mixed $module
- * @param array $params
- * @return void
- */
- public function gotoAndExit($action, $controller = null, $module = null, array $params = array())
- {
- $this->setGoto($action, $controller, $module, $params);
- $this->redirectAndExit();
- }
- /**
- * Redirect to a route-based URL
- *
- * Uses route's assemble method tobuild the URL; route is specified by $name;
- * default route is used if none provided.
- *
- * @param array $urlOptions Array of key/value pairs used to assemble URL
- * @param string $name
- * @param boolean $reset
- * @return void
- */
- public function gotoRoute(array $urlOptions = array(), $name = null, $reset = false)
- {
- $this->setGotoRoute($urlOptions, $name, $reset);
- if ($this->getExit()) {
- $this->redirectAndExit();
- }
- }
- /**
- * Redirect to a route-based URL, and immediately exit
- *
- * Uses route's assemble method tobuild the URL; route is specified by $name;
- * default route is used if none provided.
- *
- * @param array $urlOptions Array of key/value pairs used to assemble URL
- * @param string $name
- * @param boolean $reset
- * @return void
- */
- public function gotoRouteAndExit(array $urlOptions = array(), $name = null, $reset = false)
- {
- $this->setGotoRoute($urlOptions, $name, $reset);
- $this->redirectAndExit();
- }
- /**
- * Perform a redirect to a url
- *
- * @param string $url
- * @param array $options
- * @return void
- */
- public function gotoUrl($url, array $options = array())
- {
- $this->setGotoUrl($url, $options);
- if ($this->getExit()) {
- $this->redirectAndExit();
- }
- }
- /**
- * Set a URL string for a redirect, perform redirect, and immediately exit
- *
- * @param string $url
- * @param array $options
- * @return void
- */
- public function gotoUrlAndExit($url, array $options = array())
- {
- $this->gotoUrl($url, $options);
- $this->redirectAndExit();
- }
- /**
- * exit(): Perform exit for redirector
- *
- * @return void
- */
- public function redirectAndExit()
- {
- // Close session, if started
- if (class_exists('Zend_Session', false) && Zend_Session::isStarted()) {
- Zend_Session::writeClose();
- } elseif (isset($_SESSION)) {
- session_write_close();
- }
- $this->getResponse()->sendHeaders();
- exit();
- }
- /**
- * direct(): Perform helper when called as
- * $this->_helper->redirector($action, $controller, $module, $params)
- *
- * @param string $action
- * @param string $controller
- * @param string $module
- * @param array $params
- * @return void
- */
- public function direct($action, $controller = null, $module = null, array $params = array())
- {
- $this->goto($action, $controller, $module, $params);
- }
- }