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<?php
/**
* @package Joomla.Platform
* @subpackage Installer
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
jimport('joomla.base.adapterinstance');
/**
* Language installer
*
* @package Joomla.Platform
* @subpackage Installer
* @since 11.1
*/
class JInstallerLanguage extends JAdapterInstance
{
/**
* Core language pack flag
*
* @var boolean
* @since 11.1
*/
protected $_core = false;
/**
* Custom install method
*
* Note: This behaves badly due to hacks made in the middle of 1.5.x to add
* the ability to install multiple distinct packs in one install. The
* preferred method is to use a package to install multiple language packs.
*
* @return boolean True on success
*
* @since 11.1
*/
public function install()
{
$source = $this->parent->getPath('source');
if (!$source)
{
$this->parent
->setPath(
'source',
($this->parent->extension->client_id ? JPATH_ADMINISTRATOR : JPATH_SITE) . '/language/' . $this->parent->extension->element
);
}
$this->manifest = $this->parent->getManifest();
$root = $this->manifest->document;
// Get the client application target
if ((string) $this->manifest->attributes()->client == 'both')
{
JError::raiseWarning(42, JText::_('JLIB_INSTALLER_ERROR_DEPRECATED_FORMAT'));
$element = $this->manifest->site->files;
if (!$this->_install('site', JPATH_SITE, 0, $element))
{
return false;
}
$element = $this->manifest->administration->files;
if (!$this->_install('administrator', JPATH_ADMINISTRATOR, 1, $element))
{
return false;
}
// This causes an issue because we have two eid's, *sigh* nasty hacks!
return true;
}
elseif ($cname = (string) $this->manifest->attributes()->client)
{
// Attempt to map the client to a base path
$client = JApplicationHelper::getClientInfo($cname, true);
if ($client === null)
{
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_UNKNOWN_CLIENT_TYPE', $cname)));
return false;
}
$basePath = $client->path;
$clientId = $client->id;
$element = $this->manifest->files;
return $this->_install($cname, $basePath, $clientId, $element);
}
else
{
// No client attribute was found so we assume the site as the client
$cname = 'site';
$basePath = JPATH_SITE;
$clientId = 0;
$element = $this->manifest->files;
return $this->_install($cname, $basePath, $clientId, $element);
}
}
/**
* Install function that is designed to handle individual clients
*
* @param string $cname Cname @todo: not used
* @param string $basePath The base name.
* @param integer $clientId The client id.
* @param object &$element The XML element.
*
* @return boolean
*
* @since 11.1
*/
protected function _install($cname, $basePath, $clientId, &$element)
{
$this->manifest = $this->parent->getManifest();
// Get the language name
// Set the extensions name
$name = JFilterInput::getInstance()->clean((string) $this->manifest->name, 'cmd');
$this->set('name', $name);
// Get the Language tag [ISO tag, eg. en-GB]
$tag = (string) $this->manifest->tag;
// Check if we found the tag - if we didn't, we may be trying to install from an older language package
if (!$tag)
{
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::_('JLIB_INSTALLER_ERROR_NO_LANGUAGE_TAG')));
return false;
}
$this->set('tag', $tag);
// Set the language installation path
$this->parent->setPath('extension_site', $basePath . '/language/' . $tag);
// Do we have a meta file in the file list? In other words... is this a core language pack?
if ($element && count($element->children()))
{
$files = $element->children();
foreach ($files as $file)
{
if ((string) $file->attributes()->file == 'meta')
{
$this->_core = true;
break;
}
}
}
// Either we are installing a core pack or a core pack must exist for the language we are installing.
if (!$this->_core)
{
if (!JFile::exists($this->parent->getPath('extension_site') . '/' . $this->get('tag') . '.xml'))
{
$this->parent
->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_NO_CORE_LANGUAGE', $this->get('tag'))));
return false;
}
}
// If the language directory does not exist, let's create it
$created = false;
if (!file_exists($this->parent->getPath('extension_site')))
{
if (!$created = JFolder::create($this->parent->getPath('extension_site')))
{
$this->parent
->abort(
JText::sprintf(
'JLIB_INSTALLER_ABORT',
JText::sprintf('JLIB_INSTALLER_ERROR_CREATE_FOLDER_FAILED', $this->parent->getPath('extension_site'))
)
);
return false;
}
}
else
{
// Look for an update function or update tag
$updateElement = $this->manifest->update;
// Upgrade manually set or
// Update function available or
// Update tag detected
if ($this->parent->isUpgrade() || ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'update'))
|| $updateElement)
{
return $this->update(); // transfer control to the update function
}
elseif (!$this->parent->isOverwrite())
{
// Overwrite is set
// We didn't have overwrite set, find an update function or find an update tag so lets call it safe
if (file_exists($this->parent->getPath('extension_site')))
{
// If the site exists say so.
JError::raiseWarning(
1,
JText::sprintf(
'JLIB_INSTALLER_ABORT',
JText::sprintf('JLIB_INSTALLER_ERROR_FOLDER_IN_USE', $this->parent->getPath('extension_site'))
)
);
}
else
{
// If the admin exists say so.
JError::raiseWarning(
1,
JText::sprintf(
'JLIB_INSTALLER_ABORT',
JText::sprintf('JLIB_INSTALLER_ERROR_FOLDER_IN_USE', $this->parent->getPath('extension_administrator'))
)
);
}
return false;
}
}
/*
* If we created the language directory we will want to remove it if we
* have to roll back the installation, so let's add it to the installation
* step stack
*/
if ($created)
{
$this->parent->pushStep(array('type' => 'folder', 'path' => $this->parent->getPath('extension_site')));
}
// Copy all the necessary files
if ($this->parent->parseFiles($element) === false)
{
// Install failed, rollback changes
$this->parent->abort();
return false;
}
// Parse optional tags
$this->parent->parseMedia($this->manifest->media);
// Copy all the necessary font files to the common pdf_fonts directory
$this->parent->setPath('extension_site', $basePath . '/language/pdf_fonts');
$overwrite = $this->parent->setOverwrite(true);
if ($this->parent->parseFiles($this->manifest->fonts) === false)
{
// Install failed, rollback changes
$this->parent->abort();
return false;
}
$this->parent->setOverwrite($overwrite);
// Get the language description
$description = (string) $this->manifest->description;
if ($description)
{
$this->parent->set('message', JText::_($description));
}
else
{
$this->parent->set('message', '');
}
// Add an entry to the extension table with a whole heap of defaults
$row = JTable::getInstance('extension');
$row->set('name', $this->get('name'));
$row->set('type', 'language');
$row->set('element', $this->get('tag'));
// There is no folder for languages
$row->set('folder', '');
$row->set('enabled', 1);
$row->set('protected', 0);
$row->set('access', 0);
$row->set('client_id', $clientId);
$row->set('params', $this->parent->getParams());
$row->set('manifest_cache', $this->parent->generateManifestCache());
if (!$row->store())
{
// Install failed, roll back changes
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', $row->getError()));
return false;
}
// Clobber any possible pending updates
$update = JTable::getInstance('update');
$uid = $update->find(array('element' => $this->get('tag'), 'type' => 'language', 'client_id' => '', 'folder' => ''));
if ($uid)
{
$update->delete($uid);
}
return $row->get('extension_id');
}
/**
* Custom update method
*
* @return boolean True on success, false on failure
*
* @since 11.1
*/
public function update()
{
$xml = $this->parent->getManifest();
$this->manifest = $xml;
$cname = $xml->attributes()->client;
// Attempt to map the client to a base path
$client = JApplicationHelper::getClientInfo($cname, true);
if ($client === null || (empty($cname) && $cname !== 0))
{
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_UNKNOWN_CLIENT_TYPE', $cname)));
return false;
}
$basePath = $client->path;
$clientId = $client->id;
// Get the language name
// Set the extensions name
$name = (string) $this->manifest->name;
$name = JFilterInput::getInstance()->clean($name, 'cmd');
$this->set('name', $name);
// Get the Language tag [ISO tag, eg. en-GB]
$tag = (string) $xml->tag;
// Check if we found the tag - if we didn't, we may be trying to install from an older language package
if (!$tag)
{
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::_('JLIB_INSTALLER_ERROR_NO_LANGUAGE_TAG')));
return false;
}
$this->set('tag', $tag);
$folder = $tag;
// Set the language installation path
$this->parent->setPath('extension_site', $basePath . '/language/' . $this->get('tag'));
// Do we have a meta file in the file list? In other words... is this a core language pack?
if (count($xml->files->children()))
{
foreach ($xml->files->children() as $file)
{
if ((string) $file->attributes()->file == 'meta')
{
$this->_core = true;
break;
}
}
}
// Either we are installing a core pack or a core pack must exist for the language we are installing.
if (!$this->_core)
{
if (!JFile::exists($this->parent->getPath('extension_site') . '/' . $this->get('tag') . '.xml'))
{
$this->parent
->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_NO_CORE_LANGUAGE', $this->get('tag'))));
return false;
}
}
// Copy all the necessary files
if ($this->parent->parseFiles($xml->files) === false)
{
// Install failed, rollback changes
$this->parent->abort();
return false;
}
// Parse optional tags
$this->parent->parseMedia($xml->media);
// Copy all the necessary font files to the common pdf_fonts directory
$this->parent->setPath('extension_site', $basePath . '/language/pdf_fonts');
$overwrite = $this->parent->setOverwrite(true);
if ($this->parent->parseFiles($xml->fonts) === false)
{
// Install failed, rollback changes
$this->parent->abort();
return false;
}
$this->parent->setOverwrite($overwrite);
// Get the language description and set it as message
$this->parent->set('message', (string) $xml->description);
// Finalization and Cleanup Section
// Clobber any possible pending updates
$update = JTable::getInstance('update');
$uid = $update->find(array('element' => $this->get('tag'), 'type' => 'language', 'client_id' => $clientId));
if ($uid)
{
$update->delete($uid);
}
// Update an entry to the extension table
$row = JTable::getInstance('extension');
$eid = $row->find(array('element' => strtolower($this->get('tag')), 'type' => 'language', 'client_id' => $clientId));
if ($eid)
{
$row->load($eid);
}
else
{
// set the defaults
$row->set('folder', ''); // There is no folder for language
$row->set('enabled', 1);
$row->set('protected', 0);
$row->set('access', 0);
$row->set('client_id', $clientId);
$row->set('params', $this->parent->getParams());
}
$row->set('name', $this->get('name'));
$row->set('type', 'language');
$row->set('element', $this->get('tag'));
$row->set('manifest_cache', $this->parent->generateManifestCache());
if (!$row->store())
{
// Install failed, roll back changes
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', $row->getError()));
return false;
}
// And now we run the postflight
ob_start();
ob_implicit_flush(false);
if ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'postflight'))
{
$this->parent->manifestClass->postflight('update', $this);
}
$msg .= ob_get_contents(); // append messages
ob_end_clean();
if ($msg != '')
{
$this->parent->set('extension_message', $msg);
}
return $row->get('extension_id');
}
/**
* Custom uninstall method
*
* @param string $eid The tag of the language to uninstall
*
* @return mixed Return value for uninstall method in component uninstall file
*
* @since 11.1
*/
public function uninstall($eid)
{
// Load up the extension details
$extension = JTable::getInstance('extension');
$extension->load($eid);
// Grab a copy of the client details
$client = JApplicationHelper::getClientInfo($extension->get('client_id'));
// Check the element isn't blank to prevent nuking the languages directory...just in case
$element = $extension->get('element');
if (empty($element))
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_ELEMENT_EMPTY'));
return false;
}
// Check that the language is not protected, Normally en-GB.
$protected = $extension->get('protected');
if ($protected == 1)
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_PROTECTED'));
return false;
}
// Verify that it's not the default language for that client
$params = JComponentHelper::getParams('com_languages');
if ($params->get($client->name) == $element)
{
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_DEFAULT'));
return false;
}
// Construct the path from the client, the language and the extension element name
$path = $client->path . '/language/' . $element;
// Get the package manifest object and remove media
$this->parent->setPath('source', $path);
// We do findManifest to avoid problem when uninstalling a list of extension: getManifest cache its manifest file
$this->parent->findManifest();
$this->manifest = $this->parent->getManifest();
$this->parent->removeFiles($this->manifest->media);
// Check it exists
if (!JFolder::exists($path))
{
// If the folder doesn't exist lets just nuke the row as well and presume the user killed it for us
$extension->delete();
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_PATH_EMPTY'));
return false;
}
if (!JFolder::delete($path))
{
// If deleting failed we'll leave the extension entry in tact just in case
JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_DIRECTORY'));
return false;
}
// Remove the extension table entry
$extension->delete();
// Setting the language of users which have this language as the default language
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->from('#__users');
$query->select('*');
$db->setQuery($query);
$users = $db->loadObjectList();
if ($client->name == 'administrator')
{
$param_name = 'admin_language';
}
else
{
$param_name = 'language';
}
$count = 0;
foreach ($users as $user)
{
$registry = new JRegistry;
$registry->loadString($user->params);
if ($registry->get($param_name) == $element)
{
$registry->set($param_name, '');
$query = $db->getQuery(true);
$query->update('#__users');
$query->set('params=' . $db->quote($registry));
$query->where('id=' . (int) $user->id);
$db->setQuery($query);
$db->execute();
$count = $count + 1;
}
}
if (!empty($count))
{
JError::raiseNotice(500, JText::plural('JLIB_INSTALLER_NOTICE_LANG_RESET_USERS', $count));
}
// All done!
return true;
}
/**
* Custom discover method
* Finds language files
*
* @return boolean True on success
*
* @since 11.1
*/
public function discover()
{
$results = array();
$site_languages = JFolder::folders(JPATH_SITE . '/language');
$admin_languages = JFolder::folders(JPATH_ADMINISTRATOR . '/language');
foreach ($site_languages as $language)
{
if (file_exists(JPATH_SITE . '/language/' . $language . '/' . $language . '.xml'))
{
$manifest_details = JApplicationHelper::parseXMLInstallFile(JPATH_SITE . '/language/' . $language . '/' . $language . '.xml');
$extension = JTable::getInstance('extension');
$extension->set('type', 'language');
$extension->set('client_id', 0);
$extension->set('element', $language);
$extension->set('name', $language);
$extension->set('state', -1);
$extension->set('manifest_cache', json_encode($manifest_details));
$results[] = $extension;
}
}
foreach ($admin_languages as $language)
{
if (file_exists(JPATH_ADMINISTRATOR . '/language/' . $language . '/' . $language . '.xml'))
{
$manifest_details = JApplicationHelper::parseXMLInstallFile(JPATH_ADMINISTRATOR . '/language/' . $language . '/' . $language . '.xml');
$extension = JTable::getInstance('extension');
$extension->set('type', 'language');
$extension->set('client_id', 1);
$extension->set('element', $language);
$extension->set('name', $language);
$extension->set('state', -1);
$extension->set('manifest_cache', json_encode($manifest_details));
$results[] = $extension;
}
}
return $results;
}
/**
* Custom discover install method
* Basically updates the manifest cache and leaves everything alone
*
* @return integer The extension id
*
* @since 11.1
*/
public function discover_install()
{
// Need to find to find where the XML file is since we don't store this normally
$client = JApplicationHelper::getClientInfo($this->parent->extension->client_id);
$short_element = $this->parent->extension->element;
$manifestPath = $client->path . '/language/' . $short_element . '/' . $short_element . '.xml';
$this->parent->manifest = $this->parent->isManifest($manifestPath);
$this->parent->setPath('manifest', $manifestPath);
$this->parent->setPath('source', $client->path . '/language/' . $short_element);
$this->parent->setPath('extension_root', $this->parent->getPath('source'));
$manifest_details = JApplicationHelper::parseXMLInstallFile($this->parent->getPath('manifest'));
$this->parent->extension->manifest_cache = json_encode($manifest_details);
$this->parent->extension->state = 0;
$this->parent->extension->name = $manifest_details['name'];
$this->parent->extension->enabled = 1;
//$this->parent->extension->params = $this->parent->getParams();
try
{
$this->parent->extension->store();
}
catch (JException $e)
{
JError::raiseWarning(101, JText::_('JLIB_INSTALLER_ERROR_LANG_DISCOVER_STORE_DETAILS'));
return false;
}
return $this->parent->extension->get('extension_id');
}
/**
* Refreshes the extension table cache
*
* @return boolean result of operation, true if updated, false on failure
*
* @since 11.1
*/
public function refreshManifestCache()
{
$client = JApplicationHelper::getClientInfo($this->parent->extension->client_id);
$manifestPath = $client->path . '/language/' . $this->parent->extension->element . '/' . $this->parent->extension->element . '.xml';
$this->parent->manifest = $this->parent->isManifest($manifestPath);
$this->parent->setPath('manifest', $manifestPath);
$manifest_details = JApplicationHelper::parseXMLInstallFile($this->parent->getPath('manifest'));
$this->parent->extension->manifest_cache = json_encode($manifest_details);
$this->parent->extension->name = $manifest_details['name'];
if ($this->parent->extension->store())
{
return true;
}
else
{
JError::raiseWarning(101, JText::_('JLIB_INSTALLER_ERROR_MOD_REFRESH_MANIFEST_CACHE'));
return false;
}
}
}