233 lines
6.1 KiB
PHP
233 lines
6.1 KiB
PHP
<?php
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/**
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* @package Joomla.Platform
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* @subpackage Updater
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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
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*/
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defined('JPATH_PLATFORM') or die;
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jimport('joomla.updater.updateadapter');
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/**
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* Extension class for updater
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*
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* @package Joomla.Platform
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* @subpackage Updater
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* @since 11.1
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* */
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class JUpdaterExtension extends JUpdateAdapter
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{
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/**
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* Start element parser callback.
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*
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* @param object $parser The parser object.
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* @param string $name The name of the element.
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* @param array $attrs The attributes of the element.
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*
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* @return void
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*
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* @since 11.1
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*/
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protected function _startElement($parser, $name, $attrs = array())
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{
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array_push($this->stack, $name);
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$tag = $this->_getStackLocation();
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// Reset the data
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if (isset($this->$tag))
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{
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$this->$tag->_data = "";
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}
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switch ($name)
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{
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case 'UPDATE':
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$this->current_update = JTable::getInstance('update');
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$this->current_update->update_site_id = $this->updateSiteId;
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$this->current_update->detailsurl = $this->_url;
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$this->current_update->folder = "";
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$this->current_update->client_id = 1;
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break;
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// Don't do anything
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case 'UPDATES':
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break;
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default:
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if (in_array($name, $this->updatecols))
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{
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$name = strtolower($name);
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$this->current_update->$name = '';
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}
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if ($name == 'TARGETPLATFORM')
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{
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$this->current_update->targetplatform = $attrs;
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}
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break;
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}
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}
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/**
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* Character Parser Function
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*
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* @param object $parser Parser object.
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* @param object $name The name of the element.
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*
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* @return void
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*
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* @since 11.1
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*/
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protected function _endElement($parser, $name)
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{
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array_pop($this->stack);
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// @todo remove code: echo 'Closing: '. $name .'<br />';
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switch ($name)
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{
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case 'UPDATE':
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$ver = new JVersion;
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// Lower case and remove the exclamation mark
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$product = strtolower(JFilterInput::getInstance()->clean($ver->PRODUCT, 'cmd'));
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// Check that the product matches and that the version matches (optionally a regexp)
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// Check for optional min_dev_level and max_dev_level attributes to further specify targetplatform (e.g., 3.0.1)
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if ($product == $this->current_update->targetplatform['NAME']
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&& preg_match('/' . $this->currentUpdate->targetplatform->version . '/', $ver->RELEASE)
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&& ((!isset($this->currentUpdate->targetplatform->min_dev_level)) || $ver->DEV_LEVEL >= $this->currentUpdate->targetplatform->min_dev_level)
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&& ((!isset($this->currentUpdate->targetplatform->max_dev_level)) || $ver->DEV_LEVEL <= $this->currentUpdate->targetplatform->max_dev_level))
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{
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// Target platform isn't a valid field in the update table so unset it to prevent J! from trying to store it
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unset($this->current_update->targetplatform);
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if (isset($this->latest))
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{
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if (version_compare($this->current_update->version, $this->latest->version, '>') == 1)
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{
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$this->latest = $this->current_update;
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}
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}
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else
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{
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$this->latest = $this->current_update;
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}
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}
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break;
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case 'UPDATES':
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// :D
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break;
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}
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}
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/**
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* Character Parser Function
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*
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* @param object $parser Parser object.
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* @param object $data The data.
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*
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* @return void
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*
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* @note This is public because its called externally.
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* @since 11.1
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*/
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protected function _characterData($parser, $data)
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{
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$tag = $this->_getLastTag();
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/**
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* @todo remove code
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* if(!isset($this->$tag->_data)) $this->$tag->_data = '';
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* $this->$tag->_data .= $data;
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*/
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if (in_array($tag, $this->updatecols))
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{
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$tag = strtolower($tag);
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$this->current_update->$tag .= $data;
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}
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}
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/**
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* Finds an update.
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*
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* @param array $options Update options.
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*
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* @return array Array containing the array of update sites and array of updates
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*
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* @since 11.1
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*/
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public function findUpdate($options)
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{
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$url = $options['location'];
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$this->_url = &$url;
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$this->updateSiteId = $options['update_site_id'];
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if (substr($url, -4) != '.xml')
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{
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if (substr($url, -1) != '/')
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{
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$url .= '/';
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}
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$url .= 'extension.xml';
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}
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$db = $this->parent->getDBO();
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$http = JHttpFactory::getHttp();
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$response = $http->get($url);
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if (!empty($response->code) && 200 != $response->code)
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{
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$query = $db->getQuery(true)
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->update('#__update_sites')
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->set('enabled = 0')
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->where('update_site_id = ' . $this->updateSiteId);
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$db->setQuery($query);
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$db->execute();
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JLog::add("Error opening url: " . $url, JLog::WARNING, 'updater');
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$app = JFactory::getApplication();
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$app->enqueueMessage(JText::sprintf('JLIB_UPDATER_ERROR_EXTENSION_OPEN_URL', $url), 'warning');
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return false;
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}
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$this->xmlParser = xml_parser_create('');
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xml_set_object($this->xmlParser, $this);
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xml_set_element_handler($this->xmlParser, '_startElement', '_endElement');
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xml_set_character_data_handler($this->xmlParser, '_characterData');
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if (!xml_parse($this->xmlParser, $response->body))
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{
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JLog::add("Error parsing url: " . $url, JLog::WARNING, 'updater');
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$app = JFactory::getApplication();
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$app->enqueueMessage(JText::sprintf('JLIB_UPDATER_ERROR_EXTENSION_PARSE_URL', $url), 'warning');
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return false;
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}
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xml_parser_free($this->xmlParser);
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if (isset($this->latest))
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{
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if (isset($this->latest->client) && strlen($this->latest->client))
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{
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if (is_numeric($this->latest->client))
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{
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$byName = false;
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// <client> has to be 'administrator' or 'site', numeric values are depreceated. See http://docs.joomla.org/Design_of_JUpdate
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JLog::add(
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'Using numeric values for <client> in the updater xml is deprecated. Use \'administrator\' or \'site\' instead.',
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JLog::WARNING, 'deprecated'
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);
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}
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else
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{
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$byName = true;
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}
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$this->latest->client_id = JApplicationHelper::getClientInfo($this->latest->client, $byName)->id;
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unset($this->latest->client);
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}
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$updates = array($this->latest);
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}
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else
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{
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$updates = array();
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}
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return array('update_sites' => array(), 'updates' => $updates);
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}
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}
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