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<?php
/**
* @package Joomla.Administrator
* @subpackage com_config
*
* @copyright (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Component\Config\Administrator\Model;
\defined('_JEXEC') or die;
use Joomla\CMS\Access\Access;
use Joomla\CMS\Access\Rules;
use Joomla\CMS\Cache\Exception\CacheConnectingException;
use Joomla\CMS\Cache\Exception\UnsupportedCacheException;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filesystem\File;
use Joomla\CMS\Filesystem\Folder;
use Joomla\CMS\Filesystem\Path;
use Joomla\CMS\Http\HttpFactory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Mail\Exception\MailDisabledException;
use Joomla\CMS\Mail\MailTemplate;
use Joomla\CMS\MVC\Model\FormModel;
use Joomla\CMS\Table\Asset;
use Joomla\CMS\Table\Table;
use Joomla\CMS\Uri\Uri;
use Joomla\CMS\User\UserHelper;
use Joomla\Database\DatabaseDriver;
use Joomla\Database\ParameterType;
use Joomla\Registry\Registry;
use Joomla\Utilities\ArrayHelper;
use PHPMailer\PHPMailer\Exception as phpMailerException;
/**
* Model for the global configuration
*
* @since 3.2
*/
class ApplicationModel extends FormModel
{
/**
* Array of protected password fields from the configuration.php
*
* @var array
* @since 3.9.23
*/
private $protectedConfigurationFields = array('password', 'secret', 'smtppass', 'redis_server_auth', 'session_redis_server_auth');
/**
* Method to get a form object.
*
* @param array $data Data for the form.
* @param boolean $loadData True if the form is to load its own data (default case), false if not.
*
* @return mixed A JForm object on success, false on failure
*
* @since 1.6
*/
public function getForm($data = array(), $loadData = true)
{
// Get the form.
$form = $this->loadForm('com_config.application', 'application', array('control' => 'jform', 'load_data' => $loadData));
if (empty($form))
{
return false;
}
return $form;
}
/**
* Method to get the configuration data.
*
* This method will load the global configuration data straight from
* JConfig. If configuration data has been saved in the session, that
* data will be merged into the original data, overwriting it.
*
* @return array An array containing all global config data.
*
* @since 1.6
*/
public function getData()
{
// Get the config data.
$config = new \JConfig;
$data = ArrayHelper::fromObject($config);
// Get the correct driver at runtime
$data['dbtype'] = Factory::getDbo()->getName();
// Prime the asset_id for the rules.
$data['asset_id'] = 1;
// Get the text filter data
$params = ComponentHelper::getParams('com_config');
$data['filters'] = ArrayHelper::fromObject($params->get('filters'));
// If no filter data found, get from com_content (update of 1.6/1.7 site)
if (empty($data['filters']))
{
$contentParams = ComponentHelper::getParams('com_content');
$data['filters'] = ArrayHelper::fromObject($contentParams->get('filters'));
}
// Check for data in the session.
$temp = Factory::getApplication()->getUserState('com_config.config.global.data');
// Merge in the session data.
if (!empty($temp))
{
// $temp can sometimes be an object, and we need it to be an array
if (is_object($temp))
{
$temp = ArrayHelper::fromObject($temp);
}
$data = array_merge($temp, $data);
}
// Correct error_reporting value, since we removed "development", the "maximum" should be set instead
// @TODO: This can be removed in 5.0
if (!empty($data['error_reporting']) && $data['error_reporting'] === 'development')
{
$data['error_reporting'] = 'maximum';
}
return $data;
}
/**
* Method to validate the db connection properties.
*
* @param array $data An array containing all global config data.
*
* @return array|boolean Array with the validated global config data or boolean false on a validation failure.
*
* @since 4.0.0
*/
public function validateDbConnection($data)
{
// Validate database connection encryption options
if ((int) $data['dbencryption'] === 0)
{
// Reset unused options
if (!empty($data['dbsslkey']))
{
$data['dbsslkey'] = '';
}
if (!empty($data['dbsslcert']))
{
$data['dbsslcert'] = '';
}
if ((bool) $data['dbsslverifyservercert'] === true)
{
$data['dbsslverifyservercert'] = false;
}
if (!empty($data['dbsslca']))
{
$data['dbsslca'] = '';
}
if (!empty($data['dbsslcipher']))
{
$data['dbsslcipher'] = '';
}
}
else
{
// Check localhost
if (strtolower($data['host']) === 'localhost')
{
Factory::getApplication()->enqueueMessage(Text::_('COM_CONFIG_ERROR_DATABASE_ENCRYPTION_LOCALHOST'), 'error');
return false;
}
// Check CA file and folder depending on database type if server certificate verification
if ((bool) $data['dbsslverifyservercert'] === true)
{
if (empty($data['dbsslca']))
{
Factory::getApplication()->enqueueMessage(
Text::sprintf(
'COM_CONFIG_ERROR_DATABASE_ENCRYPTION_FILE_FIELD_EMPTY',
Text::_('COM_CONFIG_FIELD_DATABASE_ENCRYPTION_CA_LABEL')
),
'error'
);
return false;
}
if (!File::exists(Path::clean($data['dbsslca'])))
{
Factory::getApplication()->enqueueMessage(
Text::sprintf(
'COM_CONFIG_ERROR_DATABASE_ENCRYPTION_FILE_FIELD_BAD',
Text::_('COM_CONFIG_FIELD_DATABASE_ENCRYPTION_CA_LABEL')
),
'error'
);
return false;
}
}
else
{
// Reset unused option
if (!empty($data['dbsslca']))
{
$data['dbsslca'] = '';
}
}
// Check key and certificate if two-way encryption
if ((int) $data['dbencryption'] === 2)
{
if (empty($data['dbsslkey']))
{
Factory::getApplication()->enqueueMessage(
Text::sprintf(
'COM_CONFIG_ERROR_DATABASE_ENCRYPTION_FILE_FIELD_EMPTY',
Text::_('COM_CONFIG_FIELD_DATABASE_ENCRYPTION_KEY_LABEL')
),
'error'
);
return false;
}
if (!File::exists(Path::clean($data['dbsslkey'])))
{
Factory::getApplication()->enqueueMessage(
Text::sprintf(
'COM_CONFIG_ERROR_DATABASE_ENCRYPTION_FILE_FIELD_BAD',
Text::_('COM_CONFIG_FIELD_DATABASE_ENCRYPTION_KEY_LABEL')
),
'error'
);
return false;
}
if (empty($data['dbsslcert']))
{
Factory::getApplication()->enqueueMessage(
Text::sprintf(
'COM_CONFIG_ERROR_DATABASE_ENCRYPTION_FILE_FIELD_EMPTY',
Text::_('COM_CONFIG_FIELD_DATABASE_ENCRYPTION_CERT_LABEL')
),
'error'
);
return false;
}
if (!File::exists(Path::clean($data['dbsslcert'])))
{
Factory::getApplication()->enqueueMessage(
Text::sprintf(
'COM_CONFIG_ERROR_DATABASE_ENCRYPTION_FILE_FIELD_BAD',
Text::_('COM_CONFIG_FIELD_DATABASE_ENCRYPTION_CERT_LABEL')
),
'error'
);
return false;
}
}
else
{
// Reset unused options
if (!empty($data['dbsslkey']))
{
$data['dbsslkey'] = '';
}
if (!empty($data['dbsslcert']))
{
$data['dbsslcert'] = '';
}
}
}
return $data;
}
/**
* Method to save the configuration data.
*
* @param array $data An array containing all global config data.
*
* @return boolean True on success, false on failure.
*
* @since 1.6
*/
public function save($data)
{
$app = Factory::getApplication();
// Try to load the values from the configuration file
foreach ($this->protectedConfigurationFields as $fieldKey)
{
if (!isset($data[$fieldKey]))
{
$data[$fieldKey] = $app->get($fieldKey, '');
}
}
// Check that we aren't setting wrong database configuration
$options = array(
'driver' => $data['dbtype'],
'host' => $data['host'],
'user' => $data['user'],
'password' => $data['password'],
'database' => $data['db'],
'prefix' => $data['dbprefix'],
);
if ((int) $data['dbencryption'] !== 0)
{
$options['ssl'] = [
'enable' => true,
'verify_server_cert' => (bool) $data['dbsslverifyservercert'],
];
foreach (['cipher', 'ca', 'key', 'cert'] as $value)
{
$confVal = trim($data['dbssl' . $value]);
if ($confVal !== '')
{
$options['ssl'][$value] = $confVal;
}
}
}
try
{
$revisedDbo = DatabaseDriver::getInstance($options);
$revisedDbo->getVersion();
}
catch (\Exception $e)
{
$app->enqueueMessage(Text::sprintf('COM_CONFIG_ERROR_DATABASE_NOT_AVAILABLE', $e->getCode(), $e->getMessage()), 'error');
return false;
}
if ((int) $data['dbencryption'] !== 0 && empty($revisedDbo->getConnectionEncryption()))
{
if ($revisedDbo->isConnectionEncryptionSupported())
{
Factory::getApplication()->enqueueMessage(Text::_('COM_CONFIG_ERROR_DATABASE_ENCRYPTION_CONN_NOT_ENCRYPT'), 'error');
}
else
{
Factory::getApplication()->enqueueMessage(Text::_('COM_CONFIG_ERROR_DATABASE_ENCRYPTION_SRV_NOT_SUPPORTS'), 'error');
}
return false;
}
// Check if we can set the Force SSL option
if ((int) $data['force_ssl'] !== 0 && (int) $data['force_ssl'] !== (int) $app->get('force_ssl', '0'))
{
try
{
// Make an HTTPS request to check if the site is available in HTTPS.
$host = Uri::getInstance()->getHost();
$options = new Registry;
$options->set('userAgent', 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:41.0) Gecko/20100101 Firefox/41.0');
// Do not check for valid server certificate here, leave this to the user, moreover disable using a proxy if any is configured.
$options->set('transport.curl',
array(
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false,
CURLOPT_PROXY => null,
CURLOPT_PROXYUSERPWD => null,
)
);
$response = HttpFactory::getHttp($options)->get('https://' . $host . Uri::root(true) . '/', array('Host' => $host), 10);
// If available in HTTPS check also the status code.
if (!in_array($response->code, array(200, 503, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 401), true))
{
throw new \RuntimeException(Text::_('COM_CONFIG_ERROR_SSL_NOT_AVAILABLE_HTTP_CODE'));
}
}
catch (\RuntimeException $e)
{
$data['force_ssl'] = 0;
// Also update the user state
$app->setUserState('com_config.config.global.data.force_ssl', 0);
// Inform the user
$app->enqueueMessage(Text::sprintf('COM_CONFIG_ERROR_SSL_NOT_AVAILABLE', $e->getMessage()), 'warning');
}
}
// Save the rules
if (isset($data['rules']))
{
$rules = new Rules($data['rules']);
// Check that we aren't removing our Super User permission
// Need to get groups from database, since they might have changed
$myGroups = Access::getGroupsByUser(Factory::getUser()->get('id'));
$myRules = $rules->getData();
$hasSuperAdmin = $myRules['core.admin']->allow($myGroups);
if (!$hasSuperAdmin)
{
$app->enqueueMessage(Text::_('COM_CONFIG_ERROR_REMOVING_SUPER_ADMIN'), 'error');
return false;
}
$asset = Table::getInstance('asset');
if ($asset->loadByName('root.1'))
{
$asset->rules = (string) $rules;
if (!$asset->check() || !$asset->store())
{
$app->enqueueMessage($asset->getError(), 'error');
return false;
}
}
else
{
$app->enqueueMessage(Text::_('COM_CONFIG_ERROR_ROOT_ASSET_NOT_FOUND'), 'error');
return false;
}
unset($data['rules']);
}
// Save the text filters
if (isset($data['filters']))
{
$registry = new Registry(array('filters' => $data['filters']));
$extension = Table::getInstance('extension');
// Get extension_id
$extensionId = $extension->find(array('name' => 'com_config'));
if ($extension->load((int) $extensionId))
{
$extension->params = (string) $registry;
if (!$extension->check() || !$extension->store())
{
$app->enqueueMessage($extension->getError(), 'error');
return false;
}
}
else
{
$app->enqueueMessage(Text::_('COM_CONFIG_ERROR_CONFIG_EXTENSION_NOT_FOUND'), 'error');
return false;
}
unset($data['filters']);
}
// Get the previous configuration.
$prev = new \JConfig;
$prev = ArrayHelper::fromObject($prev);
// Merge the new data in. We do this to preserve values that were not in the form.
$data = array_merge($prev, $data);
/*
* Perform miscellaneous options based on configuration settings/changes.
*/
// Escape the offline message if present.
if (isset($data['offline_message']))
{
$data['offline_message'] = \JFilterOutput::ampReplace($data['offline_message']);
}
// Purge the database session table if we are changing to the database handler.
if ($prev['session_handler'] != 'database' && $data['session_handler'] == 'database')
{
$query = $this->_db->getQuery(true)
->delete($this->_db->quoteName('#__session'))
->where($this->_db->quoteName('time') . ' < ' . (time() - 1));
$this->_db->setQuery($query);
$this->_db->execute();
}
// Purge the database session table if we are disabling session metadata
if ($prev['session_metadata'] == 1 && $data['session_metadata'] == 0)
{
try
{
// If we are are using the session handler, purge the extra columns, otherwise truncate the whole session table
if ($data['session_handler'] === 'database')
{
$revisedDbo->setQuery(
$revisedDbo->getQuery(true)
->update('#__session')
->set(
[
$revisedDbo->quoteName('client_id') . ' = 0',
$revisedDbo->quoteName('guest') . ' = NULL',
$revisedDbo->quoteName('userid') . ' = NULL',
$revisedDbo->quoteName('username') . ' = NULL',
]
)
)->execute();
}
else
{
$revisedDbo->truncateTable('#__session');
}
}
catch (\RuntimeException $e)
{
/*
* The database API logs errors on failures so we don't need to add any error handling mechanisms here.
* Also, this data won't be added or checked anymore once the configuration is saved, so it'll purge itself
* through normal garbage collection anyway or if not using the database handler someone can purge the
* table on their own. Either way, carry on Soldier!
*/
}
}
// Ensure custom session file path exists or try to create it if changed
if (!empty($data['session_filesystem_path']))
{
$currentPath = $prev['session_filesystem_path'] ?? null;
if ($currentPath)
{
$currentPath = Path::clean($currentPath);
}
$data['session_filesystem_path'] = Path::clean($data['session_filesystem_path']);
if ($currentPath !== $data['session_filesystem_path'])
{
if (!Folder::exists($data['session_filesystem_path']) && !Folder::create($data['session_filesystem_path']))
{
try
{
Log::add(
Text::sprintf(
'COM_CONFIG_ERROR_CUSTOM_SESSION_FILESYSTEM_PATH_NOTWRITABLE_USING_DEFAULT',
$data['session_filesystem_path']
),
Log::WARNING,
'jerror'
);
}
catch (\RuntimeException $logException)
{
$app->enqueueMessage(
Text::sprintf(
'COM_CONFIG_ERROR_CUSTOM_SESSION_FILESYSTEM_PATH_NOTWRITABLE_USING_DEFAULT',
$data['session_filesystem_path']
),
'warning'
);
}
$data['session_filesystem_path'] = $currentPath;
}
}
}
// Set the shared session configuration
if (isset($data['shared_session']))
{
$currentShared = $prev['shared_session'] ?? '0';
// Has the user enabled shared sessions?
if ($data['shared_session'] == 1 && $currentShared == 0)
{
// Generate a random shared session name
$data['session_name'] = UserHelper::genRandomPassword(16);
}
// Has the user disabled shared sessions?
if ($data['shared_session'] == 0 && $currentShared == 1)
{
// Remove the session name value
unset($data['session_name']);
}
}
// Set the shared session configuration
if (isset($data['shared_session']))
{
$currentShared = $prev['shared_session'] ?? '0';
// Has the user enabled shared sessions?
if ($data['shared_session'] == 1 && $currentShared == 0)
{
// Generate a random shared session name
$data['session_name'] = UserHelper::genRandomPassword(16);
}
// Has the user disabled shared sessions?
if ($data['shared_session'] == 0 && $currentShared == 1)
{
// Remove the session name value
unset($data['session_name']);
}
}
if (empty($data['cache_handler']))
{
$data['caching'] = 0;
}
/*
* Look for a custom cache_path
* First check if a path is given in the submitted data, then check if a path exists in the previous data, otherwise use the default
*/
if (!empty($data['cache_path']))
{
$path = $data['cache_path'];
}
elseif (!empty($prev['cache_path']))
{
$path = $prev['cache_path'];
}
else
{
$path = JPATH_CACHE;
}
// Give a warning if the cache-folder can not be opened
if ($data['caching'] > 0 && $data['cache_handler'] == 'file' && @opendir($path) == false)
{
$error = true;
// If a custom path is in use, try using the system default instead of disabling cache
if ($path !== JPATH_CACHE && @opendir(JPATH_CACHE) != false)
{
try
{
Log::add(
Text::sprintf('COM_CONFIG_ERROR_CUSTOM_CACHE_PATH_NOTWRITABLE_USING_DEFAULT', $path, JPATH_CACHE),
Log::WARNING,
'jerror'
);
}
catch (\RuntimeException $logException)
{
$app->enqueueMessage(
Text::sprintf('COM_CONFIG_ERROR_CUSTOM_CACHE_PATH_NOTWRITABLE_USING_DEFAULT', $path, JPATH_CACHE),
'warning'
);
}
$path = JPATH_CACHE;
$error = false;
$data['cache_path'] = '';
}
if ($error)
{
try
{
Log::add(Text::sprintf('COM_CONFIG_ERROR_CACHE_PATH_NOTWRITABLE', $path), Log::WARNING, 'jerror');
}
catch (\RuntimeException $exception)
{
$app->enqueueMessage(Text::sprintf('COM_CONFIG_ERROR_CACHE_PATH_NOTWRITABLE', $path), 'warning');
}
$data['caching'] = 0;
}
}
// Did the user remove their custom cache path? Don't save the variable to the config
if (empty($data['cache_path']))
{
unset($data['cache_path']);
}
// Clean the cache if disabled but previously enabled or changing cache handlers; these operations use the `$prev` data already in memory
if ((!$data['caching'] && $prev['caching']) || $data['cache_handler'] !== $prev['cache_handler'])
{
try
{
Factory::getCache()->clean();
}
catch (CacheConnectingException $exception)
{
try
{
Log::add(Text::_('COM_CONFIG_ERROR_CACHE_CONNECTION_FAILED'), Log::WARNING, 'jerror');
}
catch (\RuntimeException $logException)
{
$app->enqueueMessage(Text::_('COM_CONFIG_ERROR_CACHE_CONNECTION_FAILED'), 'warning');
}
}
catch (UnsupportedCacheException $exception)
{
try
{
Log::add(Text::_('COM_CONFIG_ERROR_CACHE_DRIVER_UNSUPPORTED'), Log::WARNING, 'jerror');
}
catch (\RuntimeException $logException)
{
$app->enqueueMessage(Text::_('COM_CONFIG_ERROR_CACHE_DRIVER_UNSUPPORTED'), 'warning');
}
}
}
/*
* Look for a custom tmp_path
* First check if a path is given in the submitted data, then check if a path exists in the previous data, otherwise use the default
*/
$defaultTmpPath = JPATH_ROOT . '/tmp';
if (!empty($data['tmp_path']))
{
$path = $data['tmp_path'];
}
elseif (!empty($prev['tmp_path']))
{
$path = $prev['tmp_path'];
}
else
{
$path = $defaultTmpPath;
}
$path = Path::clean($path);
// Give a warning if the tmp-folder is not valid or not writable
if (!is_dir($path) || !is_writable($path))
{
$error = true;
// If a custom path is in use, try using the system default tmp path
if ($path !== $defaultTmpPath && is_dir($defaultTmpPath) && is_writable($defaultTmpPath))
{
try
{
Log::add(
Text::sprintf('COM_CONFIG_ERROR_CUSTOM_TEMP_PATH_NOTWRITABLE_USING_DEFAULT', $path, $defaultTmpPath),
Log::WARNING,
'jerror'
);
}
catch (\RuntimeException $logException)
{
$app->enqueueMessage(
Text::sprintf('COM_CONFIG_ERROR_CUSTOM_TEMP_PATH_NOTWRITABLE_USING_DEFAULT', $path, $defaultTmpPath),
'warning'
);
}
$error = false;
$data['tmp_path'] = $defaultTmpPath;
}
if ($error)
{
try
{
Log::add(Text::sprintf('COM_CONFIG_ERROR_TMP_PATH_NOTWRITABLE', $path), Log::WARNING, 'jerror');
}
catch (\RuntimeException $exception)
{
$app->enqueueMessage(Text::sprintf('COM_CONFIG_ERROR_TMP_PATH_NOTWRITABLE', $path), 'warning');
}
}
}
/*
* Look for a custom log_path
* First check if a path is given in the submitted data, then check if a path exists in the previous data, otherwise use the default
*/
$defaultLogPath = JPATH_ADMINISTRATOR . '/logs';
if (!empty($data['log_path']))
{
$path = $data['log_path'];
}
elseif (!empty($prev['log_path']))
{
$path = $prev['log_path'];
}
else
{
$path = $defaultLogPath;
}
$path = Path::clean($path);
// Give a warning if the log-folder is not valid or not writable
if (!is_dir($path) || !is_writable($path))
{
$error = true;
// If a custom path is in use, try using the system default log path
if ($path !== $defaultLogPath && is_dir($defaultLogPath) && is_writable($defaultLogPath))
{
try
{
Log::add(
Text::sprintf('COM_CONFIG_ERROR_CUSTOM_LOG_PATH_NOTWRITABLE_USING_DEFAULT', $path, $defaultLogPath),
Log::WARNING,
'jerror'
);
}
catch (\RuntimeException $logException)
{
$app->enqueueMessage(
Text::sprintf('COM_CONFIG_ERROR_CUSTOM_LOG_PATH_NOTWRITABLE_USING_DEFAULT', $path, $defaultLogPath),
'warning'
);
}
$error = false;
$data['log_path'] = $defaultLogPath;
}
if ($error)
{
try
{
Log::add(Text::sprintf('COM_CONFIG_ERROR_LOG_PATH_NOTWRITABLE', $path), Log::WARNING, 'jerror');
}
catch (\RuntimeException $exception)
{
$app->enqueueMessage(Text::sprintf('COM_CONFIG_ERROR_LOG_PATH_NOTWRITABLE', $path), 'warning');
}
}
}
// Create the new configuration object.
$config = new Registry($data);
// Overwrite webservices cors settings
$app->set('cors', $data['cors']);
$app->set('cors_allow_origin', $data['cors_allow_origin']);
$app->set('cors_allow_headers', $data['cors_allow_headers']);
$app->set('cors_allow_methods', $data['cors_allow_methods']);
// Clear cache of com_config component.
$this->cleanCache('_system');
$result = $app->triggerEvent('onApplicationBeforeSave', array($config));
// Store the data.
if (in_array(false, $result, true))
{
throw new \RuntimeException(Text::_('COM_CONFIG_ERROR_UNKNOWN_BEFORE_SAVING'));
}
// Write the configuration file.
$result = $this->writeConfigFile($config);
// Trigger the after save event.
$app->triggerEvent('onApplicationAfterSave', array($config));
return $result;
}
/**
* Method to unset the root_user value from configuration data.
*
* This method will load the global configuration data straight from
* JConfig and remove the root_user value for security, then save the configuration.
*
* @return boolean True on success, false on failure.
*
* @since 1.6
*/
public function removeroot()
{
$app = Factory::getApplication();
// Get the previous configuration.
$prev = new \JConfig;
$prev = ArrayHelper::fromObject($prev);
// Create the new configuration object, and unset the root_user property
unset($prev['root_user']);
$config = new Registry($prev);
$result = $app->triggerEvent('onApplicationBeforeSave', array($config));
// Store the data.
if (in_array(false, $result, true))
{
throw new \RuntimeException(Text::_('COM_CONFIG_ERROR_UNKNOWN_BEFORE_SAVING'));
}
// Write the configuration file.
$result = $this->writeConfigFile($config);
// Trigger the after save event.
$app->triggerEvent('onApplicationAfterSave', array($config));
return $result;
}
/**
* Method to write the configuration to a file.
*
* @param Registry $config A Registry object containing all global config data.
*
* @return boolean True on success, false on failure.
*
* @since 2.5.4
* @throws \RuntimeException
*/
private function writeConfigFile(Registry $config)
{
// Set the configuration file path.
$file = JPATH_CONFIGURATION . '/configuration.php';
$app = Factory::getApplication();
// Attempt to make the file writeable.
if (Path::isOwner($file) && !Path::setPermissions($file, '0644'))
{
$app->enqueueMessage(Text::_('COM_CONFIG_ERROR_CONFIGURATION_PHP_NOTWRITABLE'), 'notice');
}
// Attempt to write the configuration file as a PHP class named JConfig.
$configuration = $config->toString('PHP', array('class' => 'JConfig', 'closingtag' => false));
if (!File::write($file, $configuration))
{
throw new \RuntimeException(Text::_('COM_CONFIG_ERROR_WRITE_FAILED'));
}
// Attempt to make the file unwriteable.
if (Path::isOwner($file) && !Path::setPermissions($file, '0444'))
{
$app->enqueueMessage(Text::_('COM_CONFIG_ERROR_CONFIGURATION_PHP_NOTUNWRITABLE'), 'notice');
}
return true;
}
/**
* Method to store the permission values in the asset table.
*
* This method will get an array with permission key value pairs and transform it
* into json and update the asset table in the database.
*
* @param string $permission Need an array with Permissions (component, rule, value and title)
*
* @return array|bool A list of result data or false on failure.
*
* @since 3.5
*/
public function storePermissions($permission = null)
{
$app = Factory::getApplication();
$user = Factory::getUser();
if (is_null($permission))
{
// Get data from input.
$permission = array(
'component' => $app->input->Json->get('comp'),
'action' => $app->input->Json->get('action'),
'rule' => $app->input->Json->get('rule'),
'value' => $app->input->Json->get('value'),
'title' => $app->input->Json->get('title', '', 'RAW')
);
}
// We are creating a new item so we don't have an item id so don't allow.
if (substr($permission['component'], -6) === '.false')
{
$app->enqueueMessage(Text::_('JLIB_RULES_SAVE_BEFORE_CHANGE_PERMISSIONS'), 'error');
return false;
}
// Check if the user is authorized to do this.
if (!$user->authorise('core.admin', $permission['component']))
{
$app->enqueueMessage(Text::_('JERROR_ALERTNOAUTHOR'), 'error');
return false;
}
$permission['component'] = empty($permission['component']) ? 'root.1' : $permission['component'];
// Current view is global config?
$isGlobalConfig = $permission['component'] === 'root.1';
// Check if changed group has Super User permissions.
$isSuperUserGroupBefore = Access::checkGroup($permission['rule'], 'core.admin');
// Check if current user belongs to changed group.
$currentUserBelongsToGroup = in_array((int) $permission['rule'], $user->groups) ? true : false;
// Get current user groups tree.
$currentUserGroupsTree = Access::getGroupsByUser($user->id, true);
// Check if current user belongs to changed group.
$currentUserSuperUser = $user->authorise('core.admin');
// If user is not Super User cannot change the permissions of a group it belongs to.
if (!$currentUserSuperUser && $currentUserBelongsToGroup)
{
$app->enqueueMessage(Text::_('JLIB_USER_ERROR_CANNOT_CHANGE_OWN_GROUPS'), 'error');
return false;
}
// If user is not Super User cannot change the permissions of a group it belongs to.
if (!$currentUserSuperUser && in_array((int) $permission['rule'], $currentUserGroupsTree))
{
$app->enqueueMessage(Text::_('JLIB_USER_ERROR_CANNOT_CHANGE_OWN_PARENT_GROUPS'), 'error');
return false;
}
// If user is not Super User cannot change the permissions of a Super User Group.
if (!$currentUserSuperUser && $isSuperUserGroupBefore && !$currentUserBelongsToGroup)
{
$app->enqueueMessage(Text::_('JLIB_USER_ERROR_CANNOT_CHANGE_SUPER_USER'), 'error');
return false;
}
// If user is not Super User cannot change the Super User permissions in any group it belongs to.
if ($isSuperUserGroupBefore && $currentUserBelongsToGroup && $permission['action'] === 'core.admin')
{
$app->enqueueMessage(Text::_('JLIB_USER_ERROR_CANNOT_DEMOTE_SELF'), 'error');
return false;
}
try
{
/** @var Asset $asset */
$asset = Table::getInstance('asset');
$result = $asset->loadByName($permission['component']);
if ($result === false)
{
$data = array($permission['action'] => array($permission['rule'] => $permission['value']));
$rules = new Rules($data);
$asset->rules = (string) $rules;
$asset->name = (string) $permission['component'];
$asset->title = (string) $permission['title'];
// Get the parent asset id so we have a correct tree.
/** @var Asset $parentAsset */
$parentAsset = Table::getInstance('Asset');
if (strpos($asset->name, '.') !== false)
{
$assetParts = explode('.', $asset->name);
$parentAsset->loadByName($assetParts[0]);
$parentAssetId = $parentAsset->id;
}
else
{
$parentAssetId = $parentAsset->getRootId();
}
/**
* @to do: incorrect ACL stored
* When changing a permission of an item that doesn't have a row in the asset table the row a new row is created.
* This works fine for item <-> component <-> global config scenario and component <-> global config scenario.
* But doesn't work properly for item <-> section(s) <-> component <-> global config scenario,
* because a wrong parent asset id (the component) is stored.
* Happens when there is no row in the asset table (ex: deleted or not created on update).
*/
$asset->setLocation($parentAssetId, 'last-child');
}
else
{
// Decode the rule settings.
$temp = json_decode($asset->rules, true);
// Check if a new value is to be set.
if (isset($permission['value']))
{
// Check if we already have an action entry.
if (!isset($temp[$permission['action']]))
{
$temp[$permission['action']] = array();
}
// Check if we already have a rule entry.
if (!isset($temp[$permission['action']][$permission['rule']]))
{
$temp[$permission['action']][$permission['rule']] = array();
}
// Set the new permission.
$temp[$permission['action']][$permission['rule']] = (int) $permission['value'];
// Check if we have an inherited setting.
if ($permission['value'] === '')
{
unset($temp[$permission['action']][$permission['rule']]);
}
// Check if we have any rules.
if (!$temp[$permission['action']])
{
unset($temp[$permission['action']]);
}
}
else
{
// There is no value so remove the action as it's not needed.
unset($temp[$permission['action']]);
}
$asset->rules = json_encode($temp, JSON_FORCE_OBJECT);
}
if (!$asset->check() || !$asset->store())
{
$app->enqueueMessage(Text::_('JLIB_UNKNOWN'), 'error');
return false;
}
}
catch (\Exception $e)
{
$app->enqueueMessage($e->getMessage(), 'error');
return false;
}
// All checks done.
$result = array(
'text' => '',
'class' => '',
'result' => true,
);
// Show the current effective calculated permission considering current group, path and cascade.
try
{
// Get the asset id by the name of the component.
$query = $this->_db->getQuery(true)
->select($this->_db->quoteName('id'))
->from($this->_db->quoteName('#__assets'))
->where($this->_db->quoteName('name') . ' = :component')
->bind(':component', $permission['component']);
$this->_db->setQuery($query);
$assetId = (int) $this->_db->loadResult();
// Fetch the parent asset id.
$parentAssetId = null;
/**
* @to do: incorrect info
* When creating a new item (not saving) it uses the calculated permissions from the component (item <-> component <-> global config).
* But if we have a section too (item <-> section(s) <-> component <-> global config) this is not correct.
* Also, currently it uses the component permission, but should use the calculated permissions for a child of the component/section.
*/
// If not in global config we need the parent_id asset to calculate permissions.
if (!$isGlobalConfig)
{
// In this case we need to get the component rules too.
$query->clear()
->select($this->_db->quoteName('parent_id'))
->from($this->_db->quoteName('#__assets'))
->where($this->_db->quoteName('id') . ' = :assetid')
->bind(':assetid', $assetId, ParameterType::INTEGER);
$this->_db->setQuery($query);
$parentAssetId = (int) $this->_db->loadResult();
}
// Get the group parent id of the current group.
$rule = (int) $permission['rule'];
$query->clear()
->select($this->_db->quoteName('parent_id'))
->from($this->_db->quoteName('#__usergroups'))
->where($this->_db->quoteName('id') . ' = :rule')
->bind(':rule', $rule, ParameterType::INTEGER);
$this->_db->setQuery($query);
$parentGroupId = (int) $this->_db->loadResult();
// Count the number of child groups of the current group.
$query->clear()
->select('COUNT(' . $this->_db->quoteName('id') . ')')
->from($this->_db->quoteName('#__usergroups'))
->where($this->_db->quoteName('parent_id') . ' = :rule')
->bind(':rule', $rule, ParameterType::INTEGER);
$this->_db->setQuery($query);
$totalChildGroups = (int) $this->_db->loadResult();
}
catch (\Exception $e)
{
$app->enqueueMessage($e->getMessage(), 'error');
return false;
}
// Clear access statistics.
Access::clearStatics();
// After current group permission is changed we need to check again if the group has Super User permissions.
$isSuperUserGroupAfter = Access::checkGroup($permission['rule'], 'core.admin');
// Get the rule for just this asset (non-recursive) and get the actual setting for the action for this group.
$assetRule = Access::getAssetRules($assetId, false, false)->allow($permission['action'], $permission['rule']);
// Get the group, group parent id, and group global config recursive calculated permission for the chosen action.
$inheritedGroupRule = Access::checkGroup($permission['rule'], $permission['action'], $assetId);
if (!empty($parentAssetId))
{
$inheritedGroupParentAssetRule = Access::checkGroup($permission['rule'], $permission['action'], $parentAssetId);
}
else
{
$inheritedGroupParentAssetRule = null;
}
$inheritedParentGroupRule = !empty($parentGroupId) ? Access::checkGroup($parentGroupId, $permission['action'], $assetId) : null;
// Current group is a Super User group, so calculated setting is "Allowed (Super User)".
if ($isSuperUserGroupAfter)
{
$result['class'] = 'badge bg-success';
$result['text'] = '<span class="icon-lock icon-white" aria-hidden="true"></span>' . Text::_('JLIB_RULES_ALLOWED_ADMIN');
}
// Not super user.
else
{
// First get the real recursive calculated setting and add (Inherited) to it.
// If recursive calculated setting is "Denied" or null. Calculated permission is "Not Allowed (Inherited)".
if ($inheritedGroupRule === null || $inheritedGroupRule === false)
{
$result['class'] = 'badge bg-danger';
$result['text'] = Text::_('JLIB_RULES_NOT_ALLOWED_INHERITED');
}
// If recursive calculated setting is "Allowed". Calculated permission is "Allowed (Inherited)".
else
{
$result['class'] = 'badge bg-success';
$result['text'] = Text::_('JLIB_RULES_ALLOWED_INHERITED');
}
// Second part: Overwrite the calculated permissions labels if there is an explicit permission in the current group.
/**
* @to do: incorrect info
* If a component has a permission that doesn't exists in global config (ex: frontend editing in com_modules) by default
* we get "Not Allowed (Inherited)" when we should get "Not Allowed (Default)".
*/
// If there is an explicit permission "Not Allowed". Calculated permission is "Not Allowed".
if ($assetRule === false)
{
$result['class'] = 'badge bg-danger';
$result['text'] = Text::_('JLIB_RULES_NOT_ALLOWED');
}
// If there is an explicit permission is "Allowed". Calculated permission is "Allowed".
elseif ($assetRule === true)
{
$result['class'] = 'badge bg-success';
$result['text'] = Text::_('JLIB_RULES_ALLOWED');
}
// Third part: Overwrite the calculated permissions labels for special cases.
// Global configuration with "Not Set" permission. Calculated permission is "Not Allowed (Default)".
if (empty($parentGroupId) && $isGlobalConfig === true && $assetRule === null)
{
$result['class'] = 'badge bg-danger';
$result['text'] = Text::_('JLIB_RULES_NOT_ALLOWED_DEFAULT');
}
/**
* Component/Item with explicit "Denied" permission at parent Asset (Category, Component or Global config) configuration.
* Or some parent group has an explicit "Denied".
* Calculated permission is "Not Allowed (Locked)".
*/
elseif ($inheritedGroupParentAssetRule === false || $inheritedParentGroupRule === false)
{
$result['class'] = 'badge bg-danger';
$result['text'] = '<span class="icon-lock icon-white" aria-hidden="true"></span>' . Text::_('JLIB_RULES_NOT_ALLOWED_LOCKED');
}
}
// If removed or added super user from group, we need to refresh the page to recalculate all settings.
if ($isSuperUserGroupBefore != $isSuperUserGroupAfter)
{
$app->enqueueMessage(Text::_('JLIB_RULES_NOTICE_RECALCULATE_GROUP_PERMISSIONS'), 'notice');
}
// If this group has child groups, we need to refresh the page to recalculate the child settings.
if ($totalChildGroups > 0)
{
$app->enqueueMessage(Text::_('JLIB_RULES_NOTICE_RECALCULATE_GROUP_CHILDS_PERMISSIONS'), 'notice');
}
return $result;
}
/**
* Method to send a test mail which is called via an AJAX request
*
* @return boolean
*
* @since 3.5
*/
public function sendTestMail()
{
// Set the new values to test with the current settings
$app = Factory::getApplication();
$user = Factory::getUser();
$input = $app->input->json;
$smtppass = $input->get('smtppass', null, 'RAW');
$app->set('smtpauth', $input->get('smtpauth'));
$app->set('smtpuser', $input->get('smtpuser', '', 'STRING'));
$app->set('smtphost', $input->get('smtphost'));
$app->set('smtpsecure', $input->get('smtpsecure'));
$app->set('smtpport', $input->get('smtpport'));
$app->set('mailfrom', $input->get('mailfrom', '', 'STRING'));
$app->set('fromname', $input->get('fromname', '', 'STRING'));
$app->set('mailer', $input->get('mailer'));
$app->set('mailonline', $input->get('mailonline'));
// Use smtppass only if it was submitted
if ($smtppass !== null)
{
$app->set('smtppass', $smtppass);
}
$mail = Factory::getMailer();
// Prepare email and try to send it
$mailer = new MailTemplate('com_config.test_mail', $user->getParam('language', $app->get('language')), $mail);
$mailer->addTemplateData(
array(
'sitename' => $app->get('sitename'),
'method' => Text::_('COM_CONFIG_SENDMAIL_METHOD_' . strtoupper($mail->Mailer))
)
);
$mailer->addRecipient($app->get('mailfrom'), $app->get('fromname'));
try
{
$mailSent = $mailer->send();
}
catch (MailDisabledException | phpMailerException $e)
{
$app->enqueueMessage($e->getMessage(), 'error');
return false;
}
if ($mailSent === true)
{
$methodName = Text::_('COM_CONFIG_SENDMAIL_METHOD_' . strtoupper($mail->Mailer));
// If JMail send the mail using PHP Mail as fallback.
if ($mail->Mailer !== $app->get('mailer'))
{
$app->enqueueMessage(Text::sprintf('COM_CONFIG_SENDMAIL_SUCCESS_FALLBACK', $app->get('mailfrom'), $methodName), 'warning');
}
else
{
$app->enqueueMessage(Text::sprintf('COM_CONFIG_SENDMAIL_SUCCESS', $app->get('mailfrom'), $methodName), 'message');
}
return true;
}
$app->enqueueMessage(Text::_('COM_CONFIG_SENDMAIL_ERROR'), 'error');
return false;
}
}