joomla_test/components/com_weblinks/controllers/weblink.php
2020-01-02 22:20:31 +07:00

306 lines
7.2 KiB
PHP

<?php
/**
* @package Joomla.Site
* @subpackage com_weblinks
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* @package Joomla.Site
* @subpackage com_weblinks
* @since 1.5
*/
class WeblinksControllerWeblink extends JControllerForm
{
/**
* @since 1.6
*/
protected $view_item = 'form';
/**
* @since 1.6
*/
protected $view_list = 'categories';
/**
* Method to add a new record.
*
* @return boolean True if the article can be added, false if not.
* @since 1.6
*/
public function add()
{
if (!parent::add())
{
// Redirect to the return page.
$this->setRedirect($this->getReturnPage());
}
}
/**
* Method override to check if you can add a new record.
*
* @param array $data An array of input data.
* @return boolean
* @since 1.6
*/
protected function allowAdd($data = array())
{
$user = JFactory::getUser();
$categoryId = JArrayHelper::getValue($data, 'catid', $this->input->getInt('id'), 'int');
$allow = null;
if ($categoryId)
{
// If the category has been passed in the URL check it.
$allow = $user->authorise('core.create', $this->option.'.category.'.$categoryId);
}
if ($allow === null)
{
// In the absense of better information, revert to the component permissions.
return parent::allowAdd($data);
}
else
{
return $allow;
}
}
/**
* Method to check if you can add a new record.
*
* @param array $data An array of input data.
* @param string $key The name of the key for the primary key.
*
* @return boolean
* @since 1.6
*/
protected function allowEdit($data = array(), $key = 'id')
{
$recordId = (int) isset($data[$key]) ? $data[$key] : 0;
$categoryId = 0;
if ($recordId)
{
$categoryId = (int) $this->getModel()->getItem($recordId)->catid;
}
if ($categoryId)
{
// The category has been set. Check the category permissions.
return JFactory::getUser()->authorise('core.edit', $this->option.'.category.'.$categoryId);
}
else
{
// Since there is no asset tracking, revert to the component permissions.
return parent::allowEdit($data, $key);
}
}
/**
* Method to cancel an edit.
*
* @param string $key The name of the primary key of the URL variable.
*
* @return Boolean True if access level checks pass, false otherwise.
* @since 1.6
*/
public function cancel($key = 'w_id')
{
parent::cancel($key);
// Redirect to the return page.
$this->setRedirect($this->getReturnPage());
}
/**
* Method to edit an existing record.
*
* @param string $key The name of the primary key of the URL variable.
* @param string $urlVar The name of the URL variable if different from the primary key (sometimes required to avoid router collisions).
*
* @return Boolean True if access level check and checkout passes, false otherwise.
* @since 1.6
*/
public function edit($key = null, $urlVar = 'w_id')
{
$result = parent::edit($key, $urlVar);
return $result;
}
/**
* Method to get a model object, loading it if required.
*
* @param string $name The model name. Optional.
* @param string $prefix The class prefix. Optional.
* @param array $config Configuration array for model. Optional.
*
* @return object The model.
* @since 1.5
*/
public function getModel($name = 'form', $prefix = '', $config = array('ignore_request' => true))
{
$model = parent::getModel($name, $prefix, $config);
return $model;
}
/**
* Gets the URL arguments to append to an item redirect.
*
* @param integer $recordId The primary key id for the item.
* @param string $urlVar The name of the URL variable for the id.
*
* @return string The arguments to append to the redirect URL.
* @since 1.6
*/
protected function getRedirectToItemAppend($recordId = null, $urlVar = null)
{
$append = parent::getRedirectToItemAppend($recordId, $urlVar);
$itemId = $this->input->getInt('Itemid');
$return = $this->getReturnPage();
if ($itemId)
{
$append .= '&Itemid='.$itemId;
}
if ($return)
{
$append .= '&return='.base64_encode($return);
}
return $append;
}
/**
* Get the return URL.
*
* If a "return" variable has been passed in the request
*
* @return string The return URL.
* @since 1.6
*/
protected function getReturnPage()
{
$return = $this->input->get('return', null, 'base64');
if (empty($return) || !JUri::isInternal(base64_decode($return)))
{
return JUri::base();
}
else
{
return base64_decode($return);
}
}
/**
* Function that allows child controller access to model data after the data has been saved.
*
* @param JModelLegacy $model The data model object.
* @param array $validData The validated data.
*
* @return void
* @since 1.6
*/
protected function postSaveHook(JModelLegacy $model, $validData = array())
{
return;
}
/**
* Method to save a record.
*
* @param string $key The name of the primary key of the URL variable.
* @param string $urlVar The name of the URL variable if different from the primary key (sometimes required to avoid router collisions).
*
* @return Boolean True if successful, false otherwise.
* @since 1.6
*/
public function save($key = null, $urlVar = 'w_id')
{
$result = parent::save($key, $urlVar);
// If ok, redirect to the return page.
if ($result)
{
$this->setRedirect($this->getReturnPage());
}
return $result;
}
/**
* Go to a weblink
*
* @return void
* @since 1.6
*/
public function go()
{
// Get the ID from the request
$id = $this->input->getInt('id');
// Get the model, requiring published items
$modelLink = $this->getModel('Weblink', '', array('ignore_request' => true));
$modelLink->setState('filter.published', 1);
// Get the item
$link = $modelLink->getItem($id);
// Make sure the item was found.
if (empty($link))
{
return JError::raiseWarning(404, JText::_('COM_WEBLINKS_ERROR_WEBLINK_NOT_FOUND'));
}
// Check whether item access level allows access.
$user = JFactory::getUser();
$groups = $user->getAuthorisedViewLevels();
if (!in_array($link->access, $groups))
{
return JError::raiseError(403, JText::_('JERROR_ALERTNOAUTHOR'));
}
// Check whether category access level allows access.
$modelCat = $this->getModel('Category', 'WeblinksModel', array('ignore_request' => true));
$modelCat->setState('filter.published', 1);
// Get the category
$category = $modelCat->getCategory($link->catid);
// Make sure the category was found.
if (empty($category))
{
return JError::raiseWarning(404, JText::_('COM_WEBLINKS_ERROR_WEBLINK_NOT_FOUND'));
}
// Check whether item access level allows access.
if (!in_array($category->access, $groups))
{
return JError::raiseError(403, JText::_('JERROR_ALERTNOAUTHOR'));
}
// Redirect to the URL
// TODO: Probably should check for a valid http link
if ($link->url)
{
$modelLink->hit($id);
JFactory::getApplication()->redirect($link->url);
}
else
{
return JError::raiseWarning(404, JText::_('COM_WEBLINKS_ERROR_WEBLINK_URL_INVALID'));
}
}
}