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UpdateModel.php
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UpdateModel.php
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<?php
/**
* @package Joomla.Administrator
* @subpackage com_joomlaupdate
*
* @copyright (C) 2012 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Component\Joomlaupdate\Administrator\Model;
use Joomla\CMS\Authentication\Authentication;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Extension\ExtensionHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filesystem\File;
use Joomla\CMS\Filter\InputFilter;
use Joomla\CMS\Http\Http;
use Joomla\CMS\Http\HttpFactory;
use Joomla\CMS\Installer\Installer;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\MVC\Model\BaseDatabaseModel;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Updater\Update;
use Joomla\CMS\Updater\Updater;
use Joomla\CMS\User\UserHelper;
use Joomla\CMS\Version;
use Joomla\Database\ParameterType;
use Joomla\Registry\Registry;
use Joomla\Utilities\ArrayHelper;
/**
* Joomla! update overview Model
*
* @since 2.5.4
*/
class UpdateModel extends BaseDatabaseModel
{
/**
* @var array $updateInformation null
* Holds the update information evaluated in getUpdateInformation.
*
* @since 3.10.0
*/
private $updateInformation = null;
/**
* Detects if the Joomla! update site currently in use matches the one
* configured in this component. If they don't match, it changes it.
*
* @return void
*
* @since 2.5.4
*/
public function applyUpdateSite()
{
// Determine the intended update URL.
$params = ComponentHelper::getParams('com_joomlaupdate');
switch ($params->get('updatesource', 'nochange')) {
// "Minor & Patch Release for Current version AND Next Major Release".
case 'next':
$updateURL = 'https://update.joomla.org/core/sts/list_sts.xml';
break;
// "Testing"
case 'testing':
$updateURL = 'https://update.joomla.org/core/test/list_test.xml';
break;
// "Custom"
// @todo: check if the customurl is valid and not just "not empty".
case 'custom':
if (trim($params->get('customurl', '')) != '') {
$updateURL = trim($params->get('customurl', ''));
} else {
Factory::getApplication()->enqueueMessage(Text::_('COM_JOOMLAUPDATE_CONFIG_UPDATESOURCE_CUSTOM_ERROR'), 'error');
return;
}
break;
/**
* "Minor & Patch Release for Current version (recommended and default)".
* The commented "case" below are for documenting where 'default' and legacy options falls
* case 'default':
* case 'lts':
* case 'sts': (It's shown as "Default" because that option does not exist any more)
* case 'nochange':
*/
default:
$updateURL = 'https://update.joomla.org/core/list.xml';
}
$id = ExtensionHelper::getExtensionRecord('joomla', 'file')->extension_id;
$db = version_compare(JVERSION, '4.2.0', 'lt') ? $this->getDbo() : $this->getDatabase();
$query = $db->getQuery(true)
->select($db->quoteName('us') . '.*')
->from($db->quoteName('#__update_sites_extensions', 'map'))
->join(
'INNER',
$db->quoteName('#__update_sites', 'us'),
$db->quoteName('us.update_site_id') . ' = ' . $db->quoteName('map.update_site_id')
)
->where($db->quoteName('map.extension_id') . ' = :id')
->bind(':id', $id, ParameterType::INTEGER);
$db->setQuery($query);
$update_site = $db->loadObject();
if ($update_site->location != $updateURL) {
// Modify the database record.
$update_site->last_check_timestamp = 0;
$update_site->location = $updateURL;
$db->updateObject('#__update_sites', $update_site, 'update_site_id');
// Remove cached updates.
$query->clear()
->delete($db->quoteName('#__updates'))
->where($db->quoteName('extension_id') . ' = :id')
->bind(':id', $id, ParameterType::INTEGER);
$db->setQuery($query);
$db->execute();
}
}
/**
* Makes sure that the Joomla! update cache is up-to-date.
*
* @param boolean $force Force reload, ignoring the cache timeout.
*
* @return void
*
* @since 2.5.4
*/
public function refreshUpdates($force = false)
{
if ($force) {
$cache_timeout = 0;
} else {
$update_params = ComponentHelper::getParams('com_installer');
$cache_timeout = (int) $update_params->get('cachetimeout', 6);
$cache_timeout = 3600 * $cache_timeout;
}
$updater = Updater::getInstance();
$minimumStability = Updater::STABILITY_STABLE;
$comJoomlaupdateParams = ComponentHelper::getParams('com_joomlaupdate');
if (in_array($comJoomlaupdateParams->get('updatesource', 'nochange'), array('testing', 'custom'))) {
$minimumStability = $comJoomlaupdateParams->get('minimum_stability', Updater::STABILITY_STABLE);
}
$reflection = new \ReflectionObject($updater);
$reflectionMethod = $reflection->getMethod('findUpdates');
$methodParameters = $reflectionMethod->getParameters();
if (count($methodParameters) >= 4) {
// Reinstall support is available in Updater
$updater->findUpdates(ExtensionHelper::getExtensionRecord('joomla', 'file')->extension_id, $cache_timeout, $minimumStability, true);
} else {
$updater->findUpdates(ExtensionHelper::getExtensionRecord('joomla', 'file')->extension_id, $cache_timeout, $minimumStability);
}
}
/**
* Makes sure that the Joomla! Update Component Update is in the database and check if there is a new version.
*
* @return boolean True if there is an update else false
*
* @since 4.0.0
*/
public function getCheckForSelfUpdate()
{
$db = version_compare(JVERSION, '4.2.0', 'lt') ? $this->getDbo() : $this->getDatabase();
$query = $db->getQuery(true)
->select($db->quoteName('extension_id'))
->from($db->quoteName('#__extensions'))
->where($db->quoteName('element') . ' = ' . $db->quote('com_joomlaupdate'));
$db->setQuery($query);
try {
// Get the component extension ID
$joomlaUpdateComponentId = $db->loadResult();
} catch (\RuntimeException $e) {
// Something is wrong here!
$joomlaUpdateComponentId = 0;
Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
}
// Try the update only if we have an extension id
if ($joomlaUpdateComponentId != 0) {
// Always force to check for an update!
$cache_timeout = 0;
$updater = Updater::getInstance();
$updater->findUpdates($joomlaUpdateComponentId, $cache_timeout, Updater::STABILITY_STABLE);
// Fetch the update information from the database.
$query = $db->getQuery(true)
->select('*')
->from($db->quoteName('#__updates'))
->where($db->quoteName('extension_id') . ' = :id')
->bind(':id', $joomlaUpdateComponentId, ParameterType::INTEGER);
$db->setQuery($query);
try {
$joomlaUpdateComponentObject = $db->loadObject();
} catch (\RuntimeException $e) {
// Something is wrong here!
$joomlaUpdateComponentObject = null;
Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
}
return !empty($joomlaUpdateComponentObject);
}
return false;
}
/**
* Returns an array with the Joomla! update information.
*
* @return array
*
* @since 2.5.4
*/
public function getUpdateInformation()
{
if ($this->updateInformation) {
return $this->updateInformation;
}
// Initialise the return array.
$this->updateInformation = array(
'installed' => \JVERSION,
'latest' => null,
'object' => null,
'hasUpdate' => false,
'current' => JVERSION // This is deprecated please use 'installed' or JVERSION directly
);
// Fetch the update information from the database.
$id = ExtensionHelper::getExtensionRecord('joomla', 'file')->extension_id;
$db = version_compare(JVERSION, '4.2.0', 'lt') ? $this->getDbo() : $this->getDatabase();
$query = $db->getQuery(true)
->select('*')
->from($db->quoteName('#__updates'))
->where($db->quoteName('extension_id') . ' = :id')
->bind(':id', $id, ParameterType::INTEGER);
$db->setQuery($query);
$updateObject = $db->loadObject();
if (is_null($updateObject)) {
// We have not found any update in the database - we seem to be running the latest version.
$this->updateInformation['latest'] = \JVERSION;
return $this->updateInformation;
}
// Check whether this is a valid update or not
if (version_compare($updateObject->version, JVERSION, '<')) {
// This update points to an outdated version. We should not offer to update to this.
$this->updateInformation['latest'] = JVERSION;
return $this->updateInformation;
}
$minimumStability = Updater::STABILITY_STABLE;
$comJoomlaupdateParams = ComponentHelper::getParams('com_joomlaupdate');
if (in_array($comJoomlaupdateParams->get('updatesource', 'nochange'), array('testing', 'custom'))) {
$minimumStability = $comJoomlaupdateParams->get('minimum_stability', Updater::STABILITY_STABLE);
}
// Fetch the full update details from the update details URL.
$update = new Update();
$update->loadFromXml($updateObject->detailsurl, $minimumStability);
// Make sure we use the current information we got from the detailsurl
$this->updateInformation['object'] = $update;
$this->updateInformation['latest'] = $updateObject->version;
// Check whether this is an update or not.
if (version_compare($this->updateInformation['latest'], JVERSION, '>')) {
$this->updateInformation['hasUpdate'] = true;
}
return $this->updateInformation;
}
/**
* Removes all of the updates from the table and enable all update streams.
*
* @return boolean Result of operation.
*
* @since 3.0
*/
public function purge()
{
$db = version_compare(JVERSION, '4.2.0', 'lt') ? $this->getDbo() : $this->getDatabase();
// Modify the database record
$update_site = new \stdClass();
$update_site->last_check_timestamp = 0;
$update_site->enabled = 1;
$update_site->update_site_id = 1;
$db->updateObject('#__update_sites', $update_site, 'update_site_id');
$query = $db->getQuery(true)
->delete($db->quoteName('#__updates'))
->where($db->quoteName('update_site_id') . ' = 1');
$db->setQuery($query);
if ($db->execute()) {
$this->_message = Text::_('COM_JOOMLAUPDATE_CHECKED_UPDATES');
return true;
} else {
$this->_message = Text::_('COM_JOOMLAUPDATE_FAILED_TO_CHECK_UPDATES');
return false;
}
}
/**
* Downloads the update package to the site.
*
* @return array
*
* @since 2.5.4
*/
public function download()
{
$updateInfo = $this->getUpdateInformation();
$packageURL = trim($updateInfo['object']->downloadurl->_data);
$sources = $updateInfo['object']->get('downloadSources', array());
// We have to manually follow the redirects here so we set the option to false.
$httpOptions = new Registry();
$httpOptions->set('follow_location', false);
try {
$head = HttpFactory::getHttp($httpOptions)->head($packageURL);
} catch (\RuntimeException $e) {
// Passing false here -> download failed message
$response['basename'] = false;
return $response;
}
// Follow the Location headers until the actual download URL is known
while (isset($head->headers['location'])) {
$packageURL = (string) $head->headers['location'][0];
try {
$head = HttpFactory::getHttp($httpOptions)->head($packageURL);
} catch (\RuntimeException $e) {
// Passing false here -> download failed message
$response['basename'] = false;
return $response;
}
}
// Remove protocol, path and query string from URL
$basename = basename($packageURL);
if (strpos($basename, '?') !== false) {
$basename = substr($basename, 0, strpos($basename, '?'));
}
// Find the path to the temp directory and the local package.
$tempdir = (string) InputFilter::getInstance(
[],
[],
InputFilter::ONLY_BLOCK_DEFINED_TAGS,
InputFilter::ONLY_BLOCK_DEFINED_ATTRIBUTES
)
->clean(Factory::getApplication()->get('tmp_path'), 'path');
$target = $tempdir . '/' . $basename;
$response = [];
// Do we have a cached file?
$exists = File::exists($target);
if (!$exists) {
// Not there, let's fetch it.
$mirror = 0;
while (!($download = $this->downloadPackage($packageURL, $target)) && isset($sources[$mirror])) {
$name = $sources[$mirror];
$packageURL = trim($name->url);
$mirror++;
}
$response['basename'] = $download;
} else {
// Is it a 0-byte file? If so, re-download please.
$filesize = @filesize($target);
if (empty($filesize)) {
$mirror = 0;
while (!($download = $this->downloadPackage($packageURL, $target)) && isset($sources[$mirror])) {
$name = $sources[$mirror];
$packageURL = trim($name->url);
$mirror++;
}
$response['basename'] = $download;
}
// Yes, it's there, skip downloading.
$response['basename'] = $basename;
}
$response['check'] = $this->isChecksumValid($target, $updateInfo['object']);
return $response;
}
/**
* Return the result of the checksum of a package with the SHA256/SHA384/SHA512 tags in the update server manifest
*
* @param string $packagefile Location of the package to be installed
* @param Update $updateObject The Update Object
*
* @return boolean False in case the validation did not work; true in any other case.
*
* @note This method has been forked from (JInstallerHelper::isChecksumValid) so it
* does not depend on an up-to-date InstallerHelper at the update time
*
* @since 3.9.0
*/
private function isChecksumValid($packagefile, $updateObject)
{
$hashes = array('sha256', 'sha384', 'sha512');
foreach ($hashes as $hash) {
if ($updateObject->get($hash, false)) {
$hashPackage = hash_file($hash, $packagefile);
$hashRemote = $updateObject->$hash->_data;
if ($hashPackage !== $hashRemote) {
// Return false in case the hash did not match
return false;
}
}
}
// Well nothing was provided or all worked
return true;
}
/**
* Downloads a package file to a specific directory
*
* @param string $url The URL to download from
* @param string $target The directory to store the file
*
* @return boolean True on success
*
* @since 2.5.4
*/
protected function downloadPackage($url, $target)
{
try {
Log::add(Text::sprintf('COM_JOOMLAUPDATE_UPDATE_LOG_URL', $url), Log::INFO, 'Update');
} catch (\RuntimeException $exception) {
// Informational log only
}
// Make sure the target does not exist.
File::delete($target);
// Download the package
try {
$result = HttpFactory::getHttp([], ['curl', 'stream'])->get($url);
} catch (\RuntimeException $e) {
return false;
}
if (!$result || ($result->code != 200 && $result->code != 310)) {
return false;
}
// Write the file to disk
File::write($target, $result->body);
return basename($target);
}
/**
* Backwards compatibility. Use createUpdateFile() instead.
*
* @param null $basename The basename of the file to create
*
* @return boolean
* @since 2.5.1
* @deprecated 5.0
*/
public function createRestorationFile($basename = null): bool
{
return $this->createUpdateFile($basename);
}
/**
* Create the update.php file and trigger onJoomlaBeforeUpdate event.
*
* The onJoomlaBeforeUpdate event stores the core files for which overrides have been defined.
* This will be compared in the onJoomlaAfterUpdate event with the current filesystem state,
* thereby determining how many and which overrides need to be checked and possibly updated
* after Joomla installed an update.
*
* @param string $basename Optional base path to the file.
*
* @return boolean True if successful; false otherwise.
*
* @since 2.5.4
*/
public function createUpdateFile($basename = null): bool
{
// Load overrides plugin.
PluginHelper::importPlugin('installer');
// Get a password
$password = UserHelper::genRandomPassword(32);
$app = Factory::getApplication();
// Trigger event before joomla update.
$app->triggerEvent('onJoomlaBeforeUpdate');
// Get the absolute path to site's root.
$siteroot = JPATH_SITE;
// If the package name is not specified, get it from the update info.
if (empty($basename)) {
$updateInfo = $this->getUpdateInformation();
$packageURL = $updateInfo['object']->downloadurl->_data;
$basename = basename($packageURL);
}
// Get the package name.
$config = $app->getConfig();
$tempdir = $config->get('tmp_path');
$file = $tempdir . '/' . $basename;
$filesize = @filesize($file);
$app->setUserState('com_joomlaupdate.password', $password);
$app->setUserState('com_joomlaupdate.filesize', $filesize);
$data = "<?php\ndefined('_JOOMLA_UPDATE') or die('Restricted access');\n";
$data .= '$extractionSetup = [' . "\n";
$data .= <<<ENDDATA
'security.password' => '$password',
'setup.sourcefile' => '$file',
'setup.destdir' => '$siteroot',
ENDDATA;
$data .= '];';
// Remove the old file, if it's there...
$configpath = JPATH_COMPONENT_ADMINISTRATOR . '/update.php';
if (File::exists($configpath)) {
if (!File::delete($configpath)) {
File::invalidateFileCache($configpath);
@unlink($configpath);
}
}
// Write new file. First try with File.
$result = File::write($configpath, $data);
// In case File used FTP but direct access could help.
if (!$result) {
if (function_exists('file_put_contents')) {
$result = @file_put_contents($configpath, $data);
if ($result !== false) {
$result = true;
}
} else {
$fp = @fopen($configpath, 'wt');
if ($fp !== false) {
$result = @fwrite($fp, $data);
if ($result !== false) {
$result = true;
}
@fclose($fp);
}
}
}
return $result;
}
/**
* Finalise the upgrade.
*
* This method will do the following:
* * Run the schema update SQL files.
* * Run the Joomla post-update script.
* * Update the manifest cache and #__extensions entry for Joomla itself.
*
* It performs essentially the same function as InstallerFile::install() without the file copy.
*
* @return boolean True on success.
*
* @since 2.5.4
*/
public function finaliseUpgrade()
{
$installer = Installer::getInstance();
$manifest = $installer->isManifest(JPATH_MANIFESTS . '/files/joomla.xml');
if ($manifest === false) {
$installer->abort(Text::_('JLIB_INSTALLER_ABORT_DETECTMANIFEST'));
return false;
}
$installer->manifest = $manifest;
$installer->setUpgrade(true);
$installer->setOverwrite(true);
$db = version_compare(JVERSION, '4.2.0', 'lt') ? $this->getDbo() : $this->getDatabase();
$installer->extension = new \Joomla\CMS\Table\Extension($db);
$installer->extension->load(ExtensionHelper::getExtensionRecord('joomla', 'file')->extension_id);
$installer->setAdapter($installer->extension->type);
$installer->setPath('manifest', JPATH_MANIFESTS . '/files/joomla.xml');
$installer->setPath('source', JPATH_MANIFESTS . '/files');
$installer->setPath('extension_root', JPATH_ROOT);
// Run the script file.
\JLoader::register('JoomlaInstallerScript', JPATH_ADMINISTRATOR . '/components/com_admin/script.php');
$manifestClass = new \JoomlaInstallerScript();
ob_start();
ob_implicit_flush(false);
if ($manifestClass && method_exists($manifestClass, 'preflight')) {
if ($manifestClass->preflight('update', $installer) === false) {
$installer->abort(
Text::sprintf(
'JLIB_INSTALLER_ABORT_INSTALL_CUSTOM_INSTALL_FAILURE',
Text::_('JLIB_INSTALLER_INSTALL')
)
);
return false;
}
}
// Create msg object; first use here.
$msg = ob_get_contents();
ob_end_clean();
// Get a database connector object.
$db = version_compare(JVERSION, '4.2.0', 'lt') ? $this->getDbo() : $this->getDatabase();
/*
* Check to see if a file extension by the same name is already installed.
* If it is, then update the table because if the files aren't there
* we can assume that it was (badly) uninstalled.
* If it isn't, add an entry to extensions.
*/
$query = $db->getQuery(true)
->select($db->quoteName('extension_id'))
->from($db->quoteName('#__extensions'))
->where($db->quoteName('type') . ' = ' . $db->quote('file'))
->where($db->quoteName('element') . ' = ' . $db->quote('joomla'));
$db->setQuery($query);
try {
$db->execute();
} catch (\RuntimeException $e) {
// Install failed, roll back changes.
$installer->abort(
Text::sprintf('JLIB_INSTALLER_ABORT_FILE_ROLLBACK', Text::_('JLIB_INSTALLER_UPDATE'), $e->getMessage())
);
return false;
}
$id = $db->loadResult();
$row = new \Joomla\CMS\Table\Extension($db);
if ($id) {
// Load the entry and update the manifest_cache.
$row->load($id);
// Update name.
$row->set('name', 'files_joomla');
// Update manifest.
$row->manifest_cache = $installer->generateManifestCache();
if (!$row->store()) {
// Install failed, roll back changes.
$installer->abort(
Text::sprintf('JLIB_INSTALLER_ABORT_FILE_ROLLBACK', Text::_('JLIB_INSTALLER_UPDATE'), $row->getError())
);
return false;
}
} else {
// Add an entry to the extension table with a whole heap of defaults.
$row->set('name', 'files_joomla');
$row->set('type', 'file');
$row->set('element', 'joomla');
// There is no folder for files so leave it blank.
$row->set('folder', '');
$row->set('enabled', 1);
$row->set('protected', 0);
$row->set('access', 0);
$row->set('client_id', 0);
$row->set('params', '');
$row->set('manifest_cache', $installer->generateManifestCache());
if (!$row->store()) {
// Install failed, roll back changes.
$installer->abort(Text::sprintf('JLIB_INSTALLER_ABORT_FILE_INSTALL_ROLLBACK', $row->getError()));
return false;
}
// Set the insert id.
$row->set('extension_id', $db->insertid());
// Since we have created a module item, we add it to the installation step stack
// so that if we have to rollback the changes we can undo it.
$installer->pushStep(array('type' => 'extension', 'extension_id' => $row->extension_id));
}
$result = $installer->parseSchemaUpdates($manifest->update->schemas, $row->extension_id);
if ($result === false) {
// Install failed, rollback changes (message already logged by the installer).
$installer->abort();
return false;
}
// Reinitialise the installer's extensions table's properties.
$installer->extension->getFields(true);
// Start Joomla! 1.6.
ob_start();
ob_implicit_flush(false);
if ($manifestClass && method_exists($manifestClass, 'update')) {
if ($manifestClass->update($installer) === false) {
// Install failed, rollback changes.
$installer->abort(
Text::sprintf(
'JLIB_INSTALLER_ABORT_INSTALL_CUSTOM_INSTALL_FAILURE',
Text::_('JLIB_INSTALLER_INSTALL')
)
);
return false;
}
}
// Append messages.
$msg .= ob_get_contents();
ob_end_clean();
// Clobber any possible pending updates.
$update = new \Joomla\CMS\Table\Update($db);
$uid = $update->find(
array('element' => 'joomla', 'type' => 'file', 'client_id' => '0', 'folder' => '')
);
if ($uid) {
$update->delete($uid);
}
// And now we run the postflight.
ob_start();
ob_implicit_flush(false);
if ($manifestClass && method_exists($manifestClass, 'postflight')) {
$manifestClass->postflight('update', $installer);
}
// Append messages.
$msg .= ob_get_contents();
ob_end_clean();
if ($msg != '') {
$installer->set('extension_message', $msg);
}
// Refresh versionable assets cache.
Factory::getApplication()->flushAssets();
return true;
}
/**
* Removes the extracted package file and trigger onJoomlaAfterUpdate event.
*
* The onJoomlaAfterUpdate event compares the stored list of files previously overridden with
* the updated core files, finding out which files have changed during the update, thereby
* determining how many and which override files need to be checked and possibly updated after
* the Joomla update.
*
* @return void
*
* @since 2.5.4
*/
public function cleanUp()
{
// Load overrides plugin.
PluginHelper::importPlugin('installer');
$app = Factory::getApplication();
// Trigger event after joomla update.
$app->triggerEvent('onJoomlaAfterUpdate');
// Remove the update package.
$tempdir = $app->get('tmp_path');
$file = $app->getUserState('com_joomlaupdate.file', null);
File::delete($tempdir . '/' . $file);
// Remove the update.php file used in Joomla 4.0.3 and later.
if (File::exists(JPATH_COMPONENT_ADMINISTRATOR . '/update.php')) {
File::delete(JPATH_COMPONENT_ADMINISTRATOR . '/update.php');
}
// Remove the legacy restoration.php file (when updating from Joomla 4.0.2 and earlier).
if (File::exists(JPATH_COMPONENT_ADMINISTRATOR . '/restoration.php')) {
File::delete(JPATH_COMPONENT_ADMINISTRATOR . '/restoration.php');
}
// Remove the legacy restore_finalisation.php file used in Joomla 4.0.2 and earlier.
if (File::exists(JPATH_COMPONENT_ADMINISTRATOR . '/restore_finalisation.php')) {
File::delete(JPATH_COMPONENT_ADMINISTRATOR . '/restore_finalisation.php');
}
// Remove joomla.xml from the site's root.
if (File::exists(JPATH_ROOT . '/joomla.xml')) {
File::delete(JPATH_ROOT . '/joomla.xml');
}
// Unset the update filename from the session.
$app = Factory::getApplication();
$app->setUserState('com_joomlaupdate.file', null);
$oldVersion = $app->getUserState('com_joomlaupdate.oldversion');
// Trigger event after joomla update.
$app->triggerEvent('onJoomlaAfterUpdate', array($oldVersion));
$app->setUserState('com_joomlaupdate.oldversion', null);
}
/**
* Uploads what is presumably an update ZIP file under a mangled name in the temporary directory.
*
* @return void
*
* @since 3.6.0
*/
public function upload()
{
// Get the uploaded file information.
$input = Factory::getApplication()->input;
// Do not change the filter type 'raw'. We need this to let files containing PHP code to upload. See \JInputFiles::get.
$userfile = $input->files->get('install_package', null, 'raw');
// Make sure that file uploads are enabled in php.
if (!(bool) ini_get('file_uploads')) {
throw new \RuntimeException(Text::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLFILE'), 500);
}
// Make sure that zlib is loaded so that the package can be unpacked.
if (!extension_loaded('zlib')) {
throw new \RuntimeException(Text::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLZLIB'), 500);
}
// If there is no uploaded file, we have a problem...
if (!is_array($userfile)) {
throw new \RuntimeException(Text::_('COM_INSTALLER_MSG_INSTALL_NO_FILE_SELECTED'), 500);
}
// Is the PHP tmp directory missing?
if ($userfile['error'] && ($userfile['error'] == UPLOAD_ERR_NO_TMP_DIR)) {
throw new \RuntimeException(
Text::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLUPLOADERROR') . '<br>' .
Text::_('COM_INSTALLER_MSG_WARNINGS_PHPUPLOADNOTSET'),
500
);
}
// Is the max upload size too small in php.ini?
if ($userfile['error'] && ($userfile['error'] == UPLOAD_ERR_INI_SIZE)) {
throw new \RuntimeException(
Text::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLUPLOADERROR') . '<br>' . Text::_('COM_INSTALLER_MSG_WARNINGS_SMALLUPLOADSIZE'),
500
);
}
// Check if there was a different problem uploading the file.
if ($userfile['error'] || $userfile['size'] < 1) {
throw new \RuntimeException(Text::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLUPLOADERROR'), 500);
}
// Build the appropriate paths.
$tmp_dest = tempnam(Factory::getApplication()->get('tmp_path'), 'ju');
$tmp_src = $userfile['tmp_name'];
// Move uploaded file.
$result = File::upload($tmp_src, $tmp_dest, false, true);
if (!$result) {
throw new \RuntimeException(Text::_('COM_INSTALLER_MSG_INSTALL_WARNINSTALLUPLOADERROR'), 500);
}
Factory::getApplication()->setUserState('com_joomlaupdate.temp_file', $tmp_dest);
}
/**
* Checks the super admin credentials are valid for the currently logged in users
*
* @param array $credentials The credentials to authenticate the user with
*
* @return boolean
*
* @since 3.6.0
*/
public function captiveLogin($credentials)
{
// Make sure the username matches
$username = $credentials['username'] ?? null;
$user = Factory::getUser();
if (strtolower($user->username) != strtolower($username)) {
return false;
}
// Make sure the user is authorised
if (!$user->authorise('core.admin')) {
return false;
}
// Get the global Authentication object.
$authenticate = Authentication::getInstance();
$response = $authenticate->authenticate($credentials);
if ($response->status !== Authentication::STATUS_SUCCESS) {
return false;
}
return true;
}
/**
* Does the captive (temporary) file we uploaded before still exist?
*
* @return boolean
*
* @since 3.6.0
*/
public function captiveFileExists()
{
$file = Factory::getApplication()->getUserState('com_joomlaupdate.temp_file', null);
if (empty($file) || !File::exists($file)) {
return false;
}
return true;
}
/**
* Remove the captive (temporary) file we uploaded before and the .
*
* @return void
*
* @since 3.6.0
*/
public function removePackageFiles()
{
$files = array(