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components/com_weblinks/controllers/weblink.php
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305
components/com_weblinks/controllers/weblink.php
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<?php
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/**
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* @package Joomla.Site
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* @subpackage com_weblinks
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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/**
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* @package Joomla.Site
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* @subpackage com_weblinks
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* @since 1.5
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*/
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class WeblinksControllerWeblink extends JControllerForm
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{
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/**
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* @since 1.6
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*/
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protected $view_item = 'form';
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/**
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* @since 1.6
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*/
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protected $view_list = 'categories';
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/**
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* Method to add a new record.
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*
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* @return boolean True if the article can be added, false if not.
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* @since 1.6
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*/
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public function add()
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{
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if (!parent::add())
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{
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// Redirect to the return page.
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$this->setRedirect($this->getReturnPage());
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}
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}
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/**
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* Method override to check if you can add a new record.
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*
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* @param array $data An array of input data.
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* @return boolean
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* @since 1.6
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*/
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protected function allowAdd($data = array())
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{
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$user = JFactory::getUser();
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$categoryId = JArrayHelper::getValue($data, 'catid', $this->input->getInt('id'), 'int');
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$allow = null;
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if ($categoryId)
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{
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// If the category has been passed in the URL check it.
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$allow = $user->authorise('core.create', $this->option.'.category.'.$categoryId);
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}
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if ($allow === null)
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{
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// In the absense of better information, revert to the component permissions.
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return parent::allowAdd($data);
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}
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else
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{
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return $allow;
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}
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}
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/**
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* Method to check if you can add a new record.
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*
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* @param array $data An array of input data.
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* @param string $key The name of the key for the primary key.
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*
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* @return boolean
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* @since 1.6
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*/
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protected function allowEdit($data = array(), $key = 'id')
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{
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$recordId = (int) isset($data[$key]) ? $data[$key] : 0;
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$categoryId = 0;
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if ($recordId)
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{
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$categoryId = (int) $this->getModel()->getItem($recordId)->catid;
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}
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if ($categoryId)
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{
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// The category has been set. Check the category permissions.
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return JFactory::getUser()->authorise('core.edit', $this->option.'.category.'.$categoryId);
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}
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else
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{
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// Since there is no asset tracking, revert to the component permissions.
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return parent::allowEdit($data, $key);
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}
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}
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/**
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* Method to cancel an edit.
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*
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* @param string $key The name of the primary key of the URL variable.
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*
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* @return Boolean True if access level checks pass, false otherwise.
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* @since 1.6
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*/
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public function cancel($key = 'w_id')
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{
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parent::cancel($key);
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// Redirect to the return page.
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$this->setRedirect($this->getReturnPage());
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}
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/**
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* Method to edit an existing record.
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*
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* @param string $key The name of the primary key of the URL variable.
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* @param string $urlVar The name of the URL variable if different from the primary key (sometimes required to avoid router collisions).
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*
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* @return Boolean True if access level check and checkout passes, false otherwise.
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* @since 1.6
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*/
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public function edit($key = null, $urlVar = 'w_id')
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{
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$result = parent::edit($key, $urlVar);
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return $result;
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}
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/**
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* Method to get a model object, loading it if required.
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*
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* @param string $name The model name. Optional.
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* @param string $prefix The class prefix. Optional.
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* @param array $config Configuration array for model. Optional.
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*
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* @return object The model.
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* @since 1.5
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*/
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public function getModel($name = 'form', $prefix = '', $config = array('ignore_request' => true))
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{
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$model = parent::getModel($name, $prefix, $config);
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return $model;
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}
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/**
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* Gets the URL arguments to append to an item redirect.
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*
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* @param integer $recordId The primary key id for the item.
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* @param string $urlVar The name of the URL variable for the id.
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*
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* @return string The arguments to append to the redirect URL.
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* @since 1.6
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*/
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protected function getRedirectToItemAppend($recordId = null, $urlVar = null)
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{
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$append = parent::getRedirectToItemAppend($recordId, $urlVar);
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$itemId = $this->input->getInt('Itemid');
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$return = $this->getReturnPage();
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if ($itemId)
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{
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$append .= '&Itemid='.$itemId;
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}
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if ($return)
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{
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$append .= '&return='.base64_encode($return);
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}
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return $append;
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}
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/**
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* Get the return URL.
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*
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* If a "return" variable has been passed in the request
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*
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* @return string The return URL.
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* @since 1.6
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*/
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protected function getReturnPage()
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{
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$return = $this->input->get('return', null, 'base64');
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if (empty($return) || !JUri::isInternal(base64_decode($return)))
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{
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return JUri::base();
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}
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else
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{
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return base64_decode($return);
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}
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}
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/**
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* Function that allows child controller access to model data after the data has been saved.
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*
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* @param JModelLegacy $model The data model object.
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* @param array $validData The validated data.
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*
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* @return void
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* @since 1.6
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*/
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protected function postSaveHook(JModelLegacy $model, $validData = array())
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{
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return;
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}
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/**
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* Method to save a record.
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*
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* @param string $key The name of the primary key of the URL variable.
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* @param string $urlVar The name of the URL variable if different from the primary key (sometimes required to avoid router collisions).
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*
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* @return Boolean True if successful, false otherwise.
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* @since 1.6
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*/
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public function save($key = null, $urlVar = 'w_id')
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{
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$result = parent::save($key, $urlVar);
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// If ok, redirect to the return page.
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if ($result)
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{
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$this->setRedirect($this->getReturnPage());
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}
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return $result;
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}
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/**
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* Go to a weblink
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*
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* @return void
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* @since 1.6
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*/
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public function go()
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{
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// Get the ID from the request
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$id = $this->input->getInt('id');
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// Get the model, requiring published items
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$modelLink = $this->getModel('Weblink', '', array('ignore_request' => true));
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$modelLink->setState('filter.published', 1);
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// Get the item
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$link = $modelLink->getItem($id);
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// Make sure the item was found.
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if (empty($link))
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{
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return JError::raiseWarning(404, JText::_('COM_WEBLINKS_ERROR_WEBLINK_NOT_FOUND'));
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}
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// Check whether item access level allows access.
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$user = JFactory::getUser();
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$groups = $user->getAuthorisedViewLevels();
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if (!in_array($link->access, $groups))
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{
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return JError::raiseError(403, JText::_('JERROR_ALERTNOAUTHOR'));
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}
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// Check whether category access level allows access.
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$modelCat = $this->getModel('Category', 'WeblinksModel', array('ignore_request' => true));
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$modelCat->setState('filter.published', 1);
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// Get the category
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$category = $modelCat->getCategory($link->catid);
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// Make sure the category was found.
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if (empty($category))
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{
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return JError::raiseWarning(404, JText::_('COM_WEBLINKS_ERROR_WEBLINK_NOT_FOUND'));
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}
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// Check whether item access level allows access.
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if (!in_array($category->access, $groups))
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{
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return JError::raiseError(403, JText::_('JERROR_ALERTNOAUTHOR'));
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}
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// Redirect to the URL
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// TODO: Probably should check for a valid http link
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if ($link->url)
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{
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$modelLink->hit($id);
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JFactory::getApplication()->redirect($link->url);
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}
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else
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{
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return JError::raiseWarning(404, JText::_('COM_WEBLINKS_ERROR_WEBLINK_URL_INVALID'));
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}
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}
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}
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