%PDF-
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Mini Shell
Mini Shell
<?php
/**
* @package Joomla.Administrator
* @subpackage com_installer
*
* @copyright Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\Registry\Registry;
JLoader::register('InstallerModel', __DIR__ . '/extension.php');
JLoader::register('JoomlaInstallerScript', JPATH_ADMINISTRATOR . '/components/com_admin/script.php');
/**
* Installer Database Model
*
* @since 1.6
*/
class InstallerModelDatabase extends InstallerModel
{
protected $_context = 'com_installer.discover';
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string $ordering An optional ordering field.
* @param string $direction An optional direction (asc|desc).
*
* @return void
*
* @since 1.6
*/
protected function populateState($ordering = 'name', $direction = 'asc')
{
$app = JFactory::getApplication();
$this->setState('message', $app->getUserState('com_installer.message'));
$this->setState('extension_message', $app->getUserState('com_installer.extension_message'));
$app->setUserState('com_installer.message', '');
$app->setUserState('com_installer.extension_message', '');
// Prepare the utf8mb4 conversion check table
$this->prepareUtf8mb4StatusTable();
parent::populateState($ordering, $direction);
}
/**
* Fixes database problems.
*
* @return void
*/
public function fix()
{
if (!$changeSet = $this->getItems())
{
return false;
}
$changeSet->fix();
$this->fixSchemaVersion($changeSet);
$this->fixUpdateVersion();
$installer = new JoomlaInstallerScript;
$installer->deleteUnexistingFiles();
$this->fixDefaultTextFilters();
/*
* Finally, if the schema updates succeeded, make sure the database is
* converted to utf8mb4 or, if not suported by the server, compatible to it.
*/
$statusArray = $changeSet->getStatus();
if (count($statusArray['error']) == 0)
{
$installer->convertTablesToUtf8mb4(false);
}
}
/**
* Gets the changeset object.
*
* @return JSchemaChangeset
*/
public function getItems()
{
$folder = JPATH_ADMINISTRATOR . '/components/com_admin/sql/updates/';
try
{
$changeSet = JSchemaChangeset::getInstance($this->getDbo(), $folder);
}
catch (RuntimeException $e)
{
JFactory::getApplication()->enqueueMessage($e->getMessage(), 'warning');
return false;
}
return $changeSet;
}
/**
* Method to get a JPagination object for the data set.
*
* @return boolean
*
* @since 12.2
*/
public function getPagination()
{
return true;
}
/**
* Get version from #__schemas table.
*
* @return mixed the return value from the query, or null if the query fails.
*
* @throws Exception
*/
public function getSchemaVersion()
{
$db = $this->getDbo();
$query = $db->getQuery(true)
->select('version_id')
->from($db->quoteName('#__schemas'))
->where('extension_id = 700');
$db->setQuery($query);
$result = $db->loadResult();
return $result;
}
/**
* Fix schema version if wrong.
*
* @param JSchemaChangeSet $changeSet Schema change set.
*
* @return mixed string schema version if success, false if fail.
*/
public function fixSchemaVersion($changeSet)
{
// Get correct schema version -- last file in array.
$schema = $changeSet->getSchema();
// Check value. If ok, don't do update.
if ($schema == $this->getSchemaVersion())
{
return $schema;
}
// Delete old row.
$db = $this->getDbo();
$query = $db->getQuery(true)
->delete($db->quoteName('#__schemas'))
->where($db->quoteName('extension_id') . ' = 700');
$db->setQuery($query);
$db->execute();
// Add new row.
$query->clear()
->insert($db->quoteName('#__schemas'))
->columns($db->quoteName('extension_id') . ',' . $db->quoteName('version_id'))
->values('700, ' . $db->quote($schema));
$db->setQuery($query);
try
{
$db->execute();
}
catch (JDatabaseExceptionExecuting $e)
{
return false;
}
return $schema;
}
/**
* Get current version from #__extensions table.
*
* @return mixed version if successful, false if fail.
*/
public function getUpdateVersion()
{
$table = JTable::getInstance('Extension');
$table->load('700');
$cache = new Registry($table->manifest_cache);
return $cache->get('version');
}
/**
* Fix Joomla version in #__extensions table if wrong (doesn't equal JVersion short version).
*
* @return mixed string update version if success, false if fail.
*/
public function fixUpdateVersion()
{
$table = JTable::getInstance('Extension');
$table->load('700');
$cache = new Registry($table->manifest_cache);
$updateVersion = $cache->get('version');
$cmsVersion = new JVersion;
if ($updateVersion == $cmsVersion->getShortVersion())
{
return $updateVersion;
}
$cache->set('version', $cmsVersion->getShortVersion());
$table->manifest_cache = $cache->toString();
if ($table->store())
{
return $cmsVersion->getShortVersion();
}
return false;
}
/**
* For version 2.5.x only
* Check if com_config parameters are blank.
*
* @return string default text filters (if any).
*/
public function getDefaultTextFilters()
{
$table = JTable::getInstance('Extension');
$table->load($table->find(array('name' => 'com_config')));
return $table->params;
}
/**
* For version 2.5.x only
* Check if com_config parameters are blank. If so, populate with com_content text filters.
*
* @return mixed boolean true if params are updated, null otherwise.
*/
public function fixDefaultTextFilters()
{
$table = JTable::getInstance('Extension');
$table->load($table->find(array('name' => 'com_config')));
// Check for empty $config and non-empty content filters.
if (!$table->params)
{
// Get filters from com_content and store if you find them.
$contentParams = JComponentHelper::getParams('com_content');
if ($contentParams->get('filters'))
{
$newParams = new Registry;
$newParams->set('filters', $contentParams->get('filters'));
$table->params = (string) $newParams;
$table->store();
return true;
}
}
}
/**
* Prepare the table to save the status of utf8mb4 conversion
* Make sure it contains 1 initialized record if there is not
* already exactly 1 record.
*
* @return void
*
* @since 3.5
*/
private function prepareUtf8mb4StatusTable()
{
$db = JFactory::getDbo();
$serverType = $db->getServerType();
if ($serverType != 'mysql')
{
return;
}
$creaTabSql = 'CREATE TABLE IF NOT EXISTS ' . $db->quoteName('#__utf8_conversion')
. ' (' . $db->quoteName('converted') . ' tinyint(4) NOT NULL DEFAULT 0'
. ') ENGINE=InnoDB';
if ($db->hasUTF8mb4Support())
{
$creaTabSql = $creaTabSql
. ' DEFAULT CHARSET=utf8mb4 DEFAULT COLLATE=utf8mb4_unicode_ci;';
}
else
{
$creaTabSql = $creaTabSql
. ' DEFAULT CHARSET=utf8 DEFAULT COLLATE=utf8_unicode_ci;';
}
$db->setQuery($creaTabSql)->execute();
$db->setQuery('SELECT COUNT(*) FROM ' . $db->quoteName('#__utf8_conversion') . ';');
$count = $db->loadResult();
if ($count > 1)
{
// Table messed up somehow, clear it
$db->setQuery('DELETE FROM ' . $db->quoteName('#__utf8_conversion')
. ';')->execute();
$db->setQuery('INSERT INTO ' . $db->quoteName('#__utf8_conversion')
. ' (' . $db->quoteName('converted') . ') VALUES (0);')->execute();
}
elseif ($count == 0)
{
// Record missing somehow, fix this
$db->setQuery('INSERT INTO ' . $db->quoteName('#__utf8_conversion')
. ' (' . $db->quoteName('converted') . ') VALUES (0);')->execute();
}
}
}
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