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10eb3340adefdf3916f15eb700aca8bb929f7dee
joomla_test/libraries/cms/installer/adapter/library.php
alazhar 10eb3340ad first commit
2020-01-02 22:20:31 +07:00

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<?php
/**
* @package Joomla.Libraries
* @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');
jimport('joomla.filesystem.folder');
/**
* Library installer
*
* @package Joomla.Libraries
* @subpackage Installer
* @since 3.1
*/
class JInstallerAdapterLibrary extends JAdapterInstance
{
/**
* Custom loadLanguage method
*
* @param string $path The path where to find language files.
*
* @return void
*
* @since 3.1
*/
public function loadLanguage($path = null)
{
$source = $this->parent->getPath('source');
if (!$source)
{
$this->parent->setPath('source', JPATH_PLATFORM . '/' . $this->parent->extension->element);
}
$this->manifest = $this->parent->getManifest();
$extension = 'lib_' . strtolower(JFilterInput::getInstance()->clean((string) $this->manifest->name, 'cmd'));
$name = strtolower((string) $this->manifest->libraryname);
$lang = JFactory::getLanguage();
$source = $path ? $path : JPATH_PLATFORM . "/$name";
$lang->load($extension . '.sys', $source, null, false, false)
|| $lang->load($extension . '.sys', JPATH_SITE, null, false, false)
|| $lang->load($extension . '.sys', $source, $lang->getDefault(), false, false)
|| $lang->load($extension . '.sys', JPATH_SITE, $lang->getDefault(), false, false);
}
/**
* Custom install method
*
* @return boolean True on success
*
* @since 3.1
*/
public function install()
{
// Get the extension manifest object
$this->manifest = $this->parent->getManifest();
/*
* ---------------------------------------------------------------------------------------------
* Manifest Document Setup Section
* ---------------------------------------------------------------------------------------------
*/
// Set the extension's name
$name = JFilterInput::getInstance()->clean((string) $this->manifest->name, 'string');
$element = str_replace('.xml', '', basename($this->parent->getPath('manifest')));
$this->set('name', $name);
$this->set('element', $element);
$db = $this->parent->getDbo();
$query = $db->getQuery(true)
->select($db->quoteName('extension_id'))
->from($db->quoteName('#__extensions'))
->where($db->quoteName('type') . ' = ' . $db->quote('library'))
->where($db->quoteName('element') . ' = ' . $db->quote($element));
$db->setQuery($query);
$result = $db->loadResult();
if ($result)
{
// Already installed, can we upgrade?
if ($this->parent->isOverwrite() || $this->parent->isUpgrade())
{
// We can upgrade, so uninstall the old one
$installer = new JInstaller; // we don't want to compromise this instance!
$installer->uninstall('library', $result);
}
else
{
// Abort the install, no upgrade possible
$this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_LIB_INSTALL_ALREADY_INSTALLED'));
return false;
}
}
// Get the library's description
$description = (string) $this->manifest->description;
if ($description)
{
$this->parent->set('message', JText::_($description));
}
else
{
$this->parent->set('message', '');
}
// Set the installation path
$group = (string) $this->manifest->libraryname;
if (!$group)
{
$this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_LIB_INSTALL_NOFILE'));
return false;
}
else
{
$this->parent->setPath('extension_root', JPATH_PLATFORM . '/' . implode(DIRECTORY_SEPARATOR, explode('/', $group)));
}
/*
* ---------------------------------------------------------------------------------------------
* Filesystem Processing Section
* ---------------------------------------------------------------------------------------------
*/
// If the library directory does not exist, let's create it
$created = false;
if (!file_exists($this->parent->getPath('extension_root')))
{
if (!$created = JFolder::create($this->parent->getPath('extension_root')))
{
$this->parent->abort(
JText::sprintf('JLIB_INSTALLER_ABORT_LIB_INSTALL_FAILED_TO_CREATE_DIRECTORY', $this->parent->getPath('extension_root'))
);
return false;
}
}
/*
* If we created the library directory and will want to remove it if we
* have to roll back the installation, let's add it to the installation
* step stack
*/
if ($created)
{
$this->parent->pushStep(array('type' => 'folder', 'path' => $this->parent->getPath('extension_root')));
}
// Copy all necessary files
if ($this->parent->parseFiles($this->manifest->files, -1) === false)
{
// Install failed, roll back changes
$this->parent->abort();
return false;
}
// Parse optional tags
$this->parent->parseLanguages($this->manifest->languages);
$this->parent->parseMedia($this->manifest->media);
// Extension Registration
$row = JTable::getInstance('extension');
$row->name = $this->get('name');
$row->type = 'library';
$row->element = $this->get('element');
// There is no folder for libraries
$row->folder = '';
$row->enabled = 1;
$row->protected = 0;
$row->access = 1;
$row->client_id = 0;
$row->params = $this->parent->getParams();
// Custom data
$row->custom_data = '';
$row->manifest_cache = $this->parent->generateManifestCache();
if (!$row->store())
{
// Install failed, roll back changes
$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT_LIB_INSTALL_ROLLBACK', $db->stderr(true)));
return false;
}
/**
* ---------------------------------------------------------------------------------------------
* Finalization and Cleanup Section
* ---------------------------------------------------------------------------------------------
*/
// Lastly, we will copy the manifest file to its appropriate place.
$manifest = array();
$manifest['src'] = $this->parent->getPath('manifest');
$manifest['dest'] = JPATH_MANIFESTS . '/libraries/' . basename($this->parent->getPath('manifest'));
if (!$this->parent->copyFiles(array($manifest), true))
{
// Install failed, rollback changes
$this->parent->abort(JText::_('JLIB_INSTALLER_ABORT_LIB_INSTALL_COPY_SETUP'));
return false;
}
return $row->get('extension_id');
}
/**
* Custom update method
*
* @return boolean True on success
*
* @since 3.1
*/
public function update()
{
// Since this is just files, an update removes old files
// Get the extension manifest object
$this->manifest = $this->parent->getManifest();
/*
* ---------------------------------------------------------------------------------------------
* Manifest Document Setup Section
* ---------------------------------------------------------------------------------------------
*/
// Set the extensions name
$name = (string) $this->manifest->name;
$name = JFilterInput::getInstance()->clean($name, 'string');
$element = str_replace('.xml', '', basename($this->parent->getPath('manifest')));
$this->set('name', $name);
$this->set('element', $element);
// We don't want to compromise this instance!
$installer = new JInstaller;
$db = $this->parent->getDbo();
$query = $db->getQuery(true)
->select($db->quoteName('extension_id'))
->from($db->quoteName('#__extensions'))
->where($db->quoteName('type') . ' = ' . $db->quote('library'))
->where($db->quoteName('element') . ' = ' . $db->quote($element));
$db->setQuery($query);
$result = $db->loadResult();
if ($result)
{
// Already installed, which would make sense
$installer->uninstall('library', $result);
}
// Now create the new files
return $this->install();
}
/**
* Custom uninstall method
*
* @param string $id The id of the library to uninstall.
*
* @return boolean True on success
*
* @since 3.1
*/
public function uninstall($id)
{
$retval = true;
// First order of business will be to load the module object table from the database.
// This should give us the necessary information to proceed.
$row = JTable::getInstance('extension');
if (!$row->load((int) $id) || !strlen($row->element))
{
JLog::add(JText::_('ERRORUNKOWNEXTENSION'), JLog::WARNING, 'jerror');
return false;
}
// Is the library we are trying to uninstall a core one?
// Because that is not a good idea...
if ($row->protected)
{
JLog::add(JText::_('JLIB_INSTALLER_ERROR_LIB_UNINSTALL_WARNCORELIBRARY'), JLog::WARNING, 'jerror');
return false;
}
$manifestFile = JPATH_MANIFESTS . '/libraries/' . $row->element . '.xml';
// Because libraries may not have their own folders we cannot use the standard method of finding an installation manifest
if (file_exists($manifestFile))
{
$manifest = new JInstallerManifestLibrary($manifestFile);
// Set the library root path
$this->parent->setPath('extension_root', JPATH_PLATFORM . '/' . $manifest->libraryname);
$xml = simplexml_load_file($manifestFile);
// If we cannot load the XML file return null
if (!$xml)
{
JLog::add(JText::_('JLIB_INSTALLER_ERROR_LIB_UNINSTALL_LOAD_MANIFEST'), JLog::WARNING, 'jerror');
return false;
}
// Check for a valid XML root tag.
if ($xml->getName() != 'extension')
{
JLog::add(JText::_('JLIB_INSTALLER_ERROR_LIB_UNINSTALL_INVALID_MANIFEST'), JLog::WARNING, 'jerror');
return false;
}
$this->parent->removeFiles($xml->files, -1);
JFile::delete($manifestFile);
}
else
{
// Remove this row entry since its invalid
$row->delete($row->extension_id);
unset($row);
JLog::add(JText::_('JLIB_INSTALLER_ERROR_LIB_UNINSTALL_INVALID_NOTFOUND_MANIFEST'), JLog::WARNING, 'jerror');
return false;
}
// TODO: Change this so it walked up the path backwards so we clobber multiple empties
// If the folder is empty, let's delete it
if (JFolder::exists($this->parent->getPath('extension_root')))
{
if (is_dir($this->parent->getPath('extension_root')))
{
$files = JFolder::files($this->parent->getPath('extension_root'));
if (!count($files))
{
JFolder::delete($this->parent->getPath('extension_root'));
}
}
}
$this->parent->removeFiles($xml->media);
$this->parent->removeFiles($xml->languages);
$row->delete($row->extension_id);
unset($row);
return $retval;
}
/**
* Custom discover method
*
* @return array JExtension list of extensions available
*
* @since 3.1
*/
public function discover()
{
$results = array();
$file_list = JFolder::files(JPATH_MANIFESTS . '/libraries', '\.xml$');
foreach ($file_list as $file)
{
$manifest_details = JInstaller::parseXMLInstallFile(JPATH_MANIFESTS . '/libraries/' . $file);
$file = JFile::stripExt($file);
$extension = JTable::getInstance('extension');
$extension->set('type', 'library');
$extension->set('client_id', 0);
$extension->set('element', $file);
$extension->set('folder', '');
$extension->set('name', $file);
$extension->set('state', -1);
$extension->set('manifest_cache', json_encode($manifest_details));
$extension->set('params', '{}');
$results[] = $extension;
}
return $results;
}
/**
* Custom discover_install method
*
* @return boolean True on success
*
* @since 3.1
*/
public function discover_install()
{
/* Libraries are a strange beast; they are actually references to files
* There are two parts to a library which are disjunct in their locations
* 1) The manifest file (stored in /JPATH_MANIFESTS/libraries)
* 2) The actual files (stored in /JPATH_PLATFORM/libraryname)
* Thus installation of a library is the process of dumping files
* in two different places. As such it is impossible to perform
* any operation beyond mere registration of a library under the presumption
* that the files exist in the appropriate location so that come uninstall
* time they can be adequately removed.
*/
$manifestPath = JPATH_MANIFESTS . '/libraries/' . $this->parent->extension->element . '.xml';
$this->parent->manifest = $this->parent->isManifest($manifestPath);
$this->parent->setPath('manifest', $manifestPath);
$manifest_details = JInstaller::parseXMLInstallFile($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 = $this->parent->getParams();
if ($this->parent->extension->store())
{
return true;
}
else
{
JLog::add(JText::_('JLIB_INSTALLER_ERROR_LIB_DISCOVER_STORE_DETAILS'), JLog::WARNING, 'jerror');
return false;
}
}
/**
* Refreshes the extension table cache
*
* @return boolean Result of operation, true if updated, false on failure
*
* @since 3.1
*/
public function refreshManifestCache()
{
// Need to find to find where the XML file is since we don't store this normally
$manifestPath = JPATH_MANIFESTS . '/libraries/' . $this->parent->extension->element . '.xml';
$this->parent->manifest = $this->parent->isManifest($manifestPath);
$this->parent->setPath('manifest', $manifestPath);
$manifest_details = JInstaller::parseXMLInstallFile($this->parent->getPath('manifest'));
$this->parent->extension->manifest_cache = json_encode($manifest_details);
$this->parent->extension->name = $manifest_details['name'];
try
{
return $this->parent->extension->store();
}
catch (RuntimeException $e)
{
JLog::add(JText::_('JLIB_INSTALLER_ERROR_LIB_REFRESH_MANIFEST_CACHE'), JLog::WARNING, 'jerror');
return false;
}
}
}
/**
* Deprecated class placeholder. You should use JInstallerAdapterLibrary instead.
*
* @package Joomla.Libraries
* @subpackage Installer
* @since 3.1
* @deprecated 4.0
* @codeCoverageIgnore
*/
class JInstallerLibrary extends JInstallerAdapterLibrary
{
}
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