Current File : /home/lightco1/public_html/ilfanale.com.au/libraries/cms/installer/adapter/library.php
<?php
/**
* @package Joomla.Libraries
* @subpackage Installer
*
* @copyright Copyright (C) 2005 - 2016 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.filesystem.folder');
/**
* Library installer
*
* @since 3.1
*/
class JInstallerAdapterLibrary extends JInstallerAdapter
{
/**
* Method to check if the extension is present in the filesystem, flags the route as update if so
*
* @return void
*
* @since 3.4
* @throws RuntimeException
*/
protected function checkExtensionInFilesystem()
{
if ($this->currentExtensionId)
{
// Already installed, can we upgrade?
if ($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', $this->currentExtensionId);
// Clear the cached data
$this->currentExtensionId = null;
$this->extension = JTable::getInstance('Extension', 'JTable', array('dbo' => $this->db));
// From this point we'll consider this an update
$this->setRoute('update');
}
else
{
// Abort the install, no upgrade possible
throw new RuntimeException(JText::_('JLIB_INSTALLER_ABORT_LIB_INSTALL_ALREADY_INSTALLED'));
}
}
}
/**
* Method to copy the extension's base files from the `<files>` tag(s) and the manifest file
*
* @return void
*
* @since 3.4
* @throws RuntimeException
*/
protected function copyBaseFiles()
{
if ($this->parent->parseFiles($this->getManifest()->files, -1) === false)
{
throw new RuntimeException(JText::_('JLIB_INSTALLER_ABORT_LIB_COPY_FILES'));
}
}
/**
* Method to finalise the installation processing
*
* @return void
*
* @since 3.4
* @throws RuntimeException
*/
protected function finaliseInstall()
{
// Clobber any possible pending updates
/** @var JTableUpdate $update */
$update = JTable::getInstance('update');
$uid = $update->find(
array(
'element' => $this->element,
'type' => $this->type,
)
);
if ($uid)
{
$update->delete($uid);
}
// Lastly, we will copy the manifest file to its appropriate place.
if ($this->route != 'discover_install')
{
$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
throw new RuntimeException(JText::_('JLIB_INSTALLER_ABORT_LIB_INSTALL_COPY_SETUP'));
}
// If there is a manifest script, let's copy it.
if ($this->manifest_script)
{
$path['src'] = $this->parent->getPath('source') . '/' . $this->manifest_script;
$path['dest'] = $this->parent->getPath('extension_root') . '/' . $this->manifest_script;
if (!file_exists($path['dest']) || $this->parent->isOverwrite())
{
if (!$this->parent->copyFiles(array($path)))
{
// Install failed, rollback changes
throw new RuntimeException(
JText::sprintf(
'JLIB_INSTALLER_ABORT_MANIFEST',
JText::_('JLIB_INSTALLER_' . strtoupper($this->route))
)
);
}
}
}
}
}
/**
* Get the filtered extension element from the manifest
*
* @param string $element Optional element name to be converted
*
* @return string The filtered element
*
* @since 3.4
*/
public function getElement($element = null)
{
if (!$element)
{
$manifestPath = JPath::clean($this->parent->getPath('manifest'));
$element = preg_replace('/\.xml/', '', basename($manifestPath));
}
return $element;
}
/**
* 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->getElement());
}
$extension = 'lib_' . $this->getElement();
$librarypath = (string) $this->getManifest()->libraryname;
$source = $path ? $path : JPATH_PLATFORM . '/' . $librarypath;
$this->doLoadLanguage($extension, $source, JPATH_SITE);
}
/**
* Method to parse optional tags in the manifest
*
* @return void
*
* @since 3.4
*/
protected function parseOptionalTags()
{
$this->parent->parseLanguages($this->getManifest()->languages);
$this->parent->parseMedia($this->getManifest()->media);
}
/**
* Prepares the adapter for a discover_install task
*
* @return void
*
* @since 3.4
*/
public function prepareDiscoverInstall()
{
$manifestPath = JPATH_MANIFESTS . '/libraries/' . $this->extension->element . '.xml';
$this->parent->manifest = $this->parent->isManifest($manifestPath);
$this->parent->setPath('manifest', $manifestPath);
$this->setManifest($this->parent->getManifest());
}
/**
* Method to do any prechecks and setup the install paths for the extension
*
* @return void
*
* @since 3.4
* @throws RuntimeException
*/
protected function setupInstallPaths()
{
$group = (string) $this->getManifest()->libraryname;
if (!$group)
{
throw new RuntimeException(JText::_('JLIB_INSTALLER_ABORT_LIB_INSTALL_NOFILE'));
}
$this->parent->setPath('extension_root', JPATH_PLATFORM . '/' . implode(DIRECTORY_SEPARATOR, explode('/', $group)));
}
/**
* Method to store the extension to the database
*
* @return void
*
* @since 3.4
* @throws RuntimeException
*/
protected function storeExtension()
{
// Discover installs are stored a little differently
if ($this->route == 'discover_install')
{
$manifest_details = JInstaller::parseXMLInstallFile($this->parent->getPath('manifest'));
$this->extension->manifest_cache = json_encode($manifest_details);
$this->extension->state = 0;
$this->extension->name = $manifest_details['name'];
$this->extension->enabled = 1;
$this->extension->params = $this->parent->getParams();
if (!$this->extension->store())
{
// Install failed, roll back changes
throw new RuntimeException(JText::_('JLIB_INSTALLER_ERROR_LIB_DISCOVER_STORE_DETAILS'));
}
return;
}
$this->extension->name = $this->name;
$this->extension->type = 'library';
$this->extension->element = $this->element;
// There is no folder for libraries
$this->extension->folder = '';
$this->extension->enabled = 1;
$this->extension->protected = 0;
$this->extension->access = 1;
$this->extension->client_id = 0;
$this->extension->params = $this->parent->getParams();
// Custom data
$this->extension->custom_data = '';
$this->extension->system_data = '';
// Update the manifest cache for the entry
$this->extension->manifest_cache = $this->parent->generateManifestCache();
if (!$this->extension->store())
{
// Install failed, roll back changes
throw new RuntimeException(
JText::sprintf(
'JLIB_INSTALLER_ABORT_LIB_INSTALL_ROLLBACK',
$this->extension->getError()
)
);
}
// Since we have created a library item, we add it to the installation step stack
// so that if we have to rollback the changes we can undo it.
$this->parent->pushStep(array('type' => 'extension', 'id' => $this->extension->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
$this->setManifest($this->parent->getManifest());
// Set the overwrite setting
$this->parent->setOverwrite(true);
$this->parent->setUpgrade(true);
// And make sure the route is set correctly
$this->setRoute('update');
/*
* ---------------------------------------------------------------------------------------------
* Manifest Document Setup Section
* ---------------------------------------------------------------------------------------------
*/
// Set the extensions name
$name = (string) $this->getManifest()->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);
// Clear the cached data
$this->currentExtensionId = null;
$this->extension = JTable::getInstance('Extension', 'JTable', array('dbo' => $this->db));
}
// 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;
}
/**
* 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.
*
* @since 3.1
* @deprecated 4.0
* @codeCoverageIgnore
*/
class JInstallerLibrary extends JInstallerAdapterLibrary
{
}
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