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/home/develito/httpdocs/components/com_content/controllers/article.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_content
 *
 * @copyright   (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\Utilities\ArrayHelper;

/**
 * Content article class.
 *
 * @since  1.6.0
 */
class ContentControllerArticle extends JControllerForm
{
	/**
	 * The URL view item variable.
	 *
	 * @var    string
	 * @since  1.6
	 */
	protected $view_item = 'form';

/**
	 * The URL view list variable.
	 *
	 * @var    string
	 * @since  1.6
	 */
	protected $view_list = 'categories';

/**
	 * The URL edit variable.
	 *
	 * @var    string
	 * @since  3.2
	 */
	protected $urlVar = 'a.id';

/**
	 * Method to add a new record.
	 *
	 * @return  mixed  True if the record can be added, an error object if not.
	 *
	 * @since   1.6
	 */
	public function add()
	{
		if (!parent::add())
		{
			// Redirect to the return page.
			$this->setRedirect($this->getReturnPage());

return;
		}

// Redirect to the edit screen.
		$this->setRedirect(
			JRoute::_(
				'index.php?option=' . $this->option . '&view=' . $this->view_item . '&a_id=0'
				. $this->getRedirectToItemAppend(), false
			)
		);

return true;
	}

/**
	 * 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();
		$categoryId = ArrayHelper::getValue($data, 'catid', $this->input->getInt('catid'), 'int');
		$allow      = null;

if ($categoryId)
		{
			// If the category has been passed in the data or URL check it.
			$allow = $user->authorise('core.create', 'com_content.category.' . $categoryId);
		}

if ($allow === null)
		{
			// In the absence of better information, revert to the component permissions.
			return parent::allowAdd();
		}
		else
		{
			return $allow;
		}
	}

/**
	 * Method override to check if you can edit an existing record.
	 *
	 * @param   array   $data  An array of input data.
	 * @param   string  $key   The name of the key for the primary key; default is id.
	 *
	 * @return  boolean
	 *
	 * @since   1.6
	 */
	protected function allowEdit($data = array(), $key = 'id')
	{
		$recordId = (int) isset($data[$key]) ? $data[$key] : 0;
		$user = JFactory::getUser();

// Zero record (id:0), return component edit permission by calling parent controller method
		if (!$recordId)
		{
			return parent::allowEdit($data, $key);
		}

// Check edit on the record asset (explicit or inherited)
		if ($user->authorise('core.edit', 'com_content.article.' . $recordId))
		{
			return true;
		}

// Check edit own on the record asset (explicit or inherited)
		if ($user->authorise('core.edit.own', 'com_content.article.' . $recordId))
		{
			// Existing record already has an owner, get it
			$record = $this->getModel()->getItem($recordId);

if (empty($record))
			{
				return false;
			}

// Grant if current user is owner of the record
			return $user->get('id') == $record->created_by;
		}

return false;
	}

/**
	 * 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 = 'a_id')
	{
		parent::cancel($key);

$app = JFactory::getApplication();

// Load the parameters.
		$params = $app->getParams();

$customCancelRedir = (bool) $params->get('custom_cancel_redirect');

if ($customCancelRedir)
		{
			$cancelMenuitemId = (int) $params->get('cancel_redirect_menuitem');

if ($cancelMenuitemId > 0)
			{
				$item = $app->getMenu()->getItem($cancelMenuitemId);
				$lang = '';

if (JLanguageMultilang::isEnabled())
				{
					$lang = !is_null($item) && $item->language != '*' ? '&lang=' . $item->language : '';
				}

// Redirect to the user specified return page.
				$redirlink = $item->link . $lang . '&Itemid=' . $cancelMenuitemId;
			}
			else
			{
				// Redirect to the same article submission form (clean form).
				$redirlink = $app->getMenu()->getActive()->link . '&Itemid=' . $app->getMenu()->getActive()->id;
			}
		}
		else
		{
			$menuitemId = (int) $params->get('redirect_menuitem');
			$lang = '';

if ($menuitemId > 0)
			{
				$lang = '';
				$item = $app->getMenu()->getItem($menuitemId);

if (JLanguageMultilang::isEnabled())
				{
					$lang = !is_null($item) && $item->language != '*' ? '&lang=' . $item->language : '';
				}

// Redirect to the general (redirect_menuitem) user specified return page.
				$redirlink = $item->link . $lang . '&Itemid=' . $menuitemId;
			}
			else
			{
				// Redirect to the return page.
				$redirlink = $this->getReturnPage();
			}
		}

$this->setRedirect(JRoute::_($redirlink, false));
	}

/**
	 * 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 = 'a_id')
	{
		$result = parent::edit($key, $urlVar);

if (!$result)
		{
			$this->setRedirect(JRoute::_($this->getReturnPage(), false));
		}

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 = '', $config = array('ignore_request' => true))
	{
		return parent::getModel($name, $prefix, $config);
	}

/**
	 * 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 = 'a_id')
	{
		// Need to override the parent method completely.
		$tmpl   = $this->input->get('tmpl');

$append = '';

// Setup redirect info.
		if ($tmpl)
		{
			$append .= '&tmpl=' . $tmpl;
		}

// TODO This is a bandaid, not a long term solution.
		/**
		 * if ($layout)
		 * {
		 *	$append .= '&layout=' . $layout;
		 * }
		 */

$append .= '&layout=edit';

if ($recordId)
		{
			$append .= '&' . $urlVar . '=' . $recordId;
		}

$itemId = $this->input->getInt('Itemid');
		$return = $this->getReturnPage();
		$catId  = $this->input->getInt('catid');

if ($itemId)
		{
			$append .= '&Itemid=' . $itemId;
		}

if ($catId)
		{
			$append .= '&catid=' . $catId;
		}

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);
		}
	}

/**
	 * 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 = 'a_id')
	{
		$result    = parent::save($key, $urlVar);
		$app       = JFactory::getApplication();
		$articleId = $app->input->getInt('a_id');

// Load the parameters.
		$params   = $app->getParams();
		$menuitem = (int) $params->get('redirect_menuitem');

// Check for redirection after submission when creating a new article only
		if ($menuitem > 0 && $articleId == 0)
		{
			$lang = '';

if (JLanguageMultilang::isEnabled())
			{
				$item = $app->getMenu()->getItem($menuitem);
				$lang = !is_null($item) && $item->language != '*' ? '&lang=' . $item->language : '';
			}

// If ok, redirect to the return page.
			if ($result)
			{
				$this->setRedirect(JRoute::_('index.php?Itemid=' . $menuitem . $lang, false));
			}
		}
		else
		{
			// If ok, redirect to the return page.
			if ($result)
			{
				$this->setRedirect(JRoute::_($this->getReturnPage(), false));
			}
		}

return $result;
	}

/**
	 * Method to reload a record.
	 *
	 * @param   string  $key     The name of the primary key of the URL variable.
	 * @param   string  $urlVar  The name of the URL variable if different from the primary key (sometimes required to avoid router collisions).
	 *
	 * @return  void
	 *
	 * @since   3.8.0
	 */
	public function reload($key = null, $urlVar = 'a_id')
	{
		return parent::reload($key, $urlVar);
	}

/**
	 * Method to save a vote.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	public function vote()
	{
		// Check for request forgeries.
		$this->checkToken();

$user_rating = $this->input->getInt('user_rating', -1);

if ($user_rating > -1)
		{
			$url = $this->input->getString('url', '');
			$id = $this->input->getInt('id', 0);
			$viewName = $this->input->getString('view', $this->default_view);
			$model = $this->getModel($viewName);

// Don't redirect to an external URL.
			if (!JUri::isInternal($url))
			{
				$url = JRoute::_('index.php');
			}

if ($model->storeVote($id, $user_rating))
			{
				$this->setRedirect($url, JText::_('COM_CONTENT_ARTICLE_VOTE_SUCCESS'));
			}
			else
			{
				$this->setRedirect($url, JText::_('COM_CONTENT_ARTICLE_VOTE_FAILURE'));
			}
		}
	}
}