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<?php
/**
 *
 * This file is part of the phpBB Forum Software package.
 *
 * @copyright (c) phpBB Limited <https://www.phpbb.com>
 * @license GNU General Public License, version 2 (GPL-2.0)
 *
 * For full copyright and license information, please see
 * the docs/CREDITS.txt file.
 *
 */
namespace phpbb\install\module\update_database\task;
use phpbb\install\exception\resource_limit_reached_exception;
use phpbb\install\helper\container_factory;
use phpbb\install\helper\config;
use phpbb\install\helper\iohandler\iohandler_interface;
use phpbb\install\helper\update_helper;
use phpbb\install\task_base;
use Symfony\Component\Finder\Finder;
/**
 * Installs extensions that exist in ext folder upon install
 */
class update_extensions extends task_base
{
    /**
     * @var \phpbb\cache\driver\driver_interface
     */
    protected $cache;
    /**
     * @var config
     */
    protected $install_config;
    /**
     * @var iohandler_interface
     */
    protected $iohandler;
    /** @var update_helper */
    protected $update_helper;
    /**
     * @var \phpbb\config\db
     */
    protected $config;
    /**
     * @var \phpbb\log\log_interface
     */
    protected $log;
    /**
     * @var \phpbb\user
     */
    protected $user;
    /** @var \phpbb\extension\manager */
    protected $extension_manager;
    /** @var Finder */
    protected $finder;
    /** @var string Extension table */
    protected $extension_table;
    /** @var \phpbb\db\driver\driver_interface */
    protected $db;
    /**
     * @var array    List of default extensions to update, grouped by version
     *                they were added
     */
    static public $default_extensions_update = [
        '3.2.0-RC2' => ['phpbb/viglink']
    ];
    /**
     * Constructor
     *
     * @param container_factory            $container
     * @param config                    $install_config
     * @param iohandler_interface        $iohandler
     * @param $update_helper            $update_helper
     * @param string                    $phpbb_root_path phpBB root path
     */
    public function __construct(container_factory $container, config $install_config, iohandler_interface $iohandler, update_helper $update_helper, $phpbb_root_path)
    {
        $this->install_config    = $install_config;
        $this->iohandler        = $iohandler;
        $this->extension_table = $container->get_parameter('tables.ext');
        $this->log                = $container->get('log');
        $this->user                = $container->get('user');
        $this->extension_manager = $container->get('ext.manager');
        $this->cache                = $container->get('cache.driver');
        $this->config            = $container->get('config');
        $this->db                = $container->get('dbal.conn');
        $this->update_helper = $update_helper;
        $this->finder = new Finder();
        $this->finder->in($phpbb_root_path . 'ext/')
            ->ignoreUnreadableDirs()
            ->depth('< 3')
            ->files()
            ->name('composer.json');
        // Make sure asset version exists in config. Otherwise we might try to
        // insert the assets_version setting into the database and cause a
        // duplicate entry error.
        if (!isset($this->config['assets_version']))
        {
            $this->config['assets_version'] = 0;
        }
        parent::__construct(true);
    }
    /**
     * {@inheritdoc}
     */
    public function run()
    {
        $this->user->session_begin();
        $this->user->setup(array('common', 'acp/common', 'cli'));
        $update_info = $this->install_config->get('update_info_unprocessed', []);
        $version_from = !empty($update_info) ? $update_info['version']['from'] : $this->config['version_update_from'];
        if (!empty($version_from))
        {
            $update_extensions = $this->iohandler->get_input('update-extensions', []);
            // Create list of default extensions that need to be enabled in update
            $default_update_extensions = [];
            foreach (self::$default_extensions_update as $version => $extensions)
            {
                if ($this->update_helper->phpbb_version_compare($version_from, $version, '<'))
                {
                    $default_update_extensions = array_merge($default_update_extensions, $extensions);
                }
            }
            $all_available_extensions = $this->extension_manager->all_available();
            $i = $this->install_config->get('update_extensions_index', 0);
            $available_extensions = array_slice($all_available_extensions, $i);
            // Update available extensions
            foreach ($available_extensions as $ext_name => $ext_path)
            {
                // Update extensions if:
                //    1) Extension is currently enabled
                //    2) Extension was implicitly defined as needing an update
                //    3) Extension was newly added as default phpBB extension in
                //        this update and should be enabled by default.
                if ($this->extension_manager->is_enabled($ext_name) ||
                    in_array($ext_name, $update_extensions) ||
                    in_array($ext_name, $default_update_extensions)
                )
                {
                    try
                    {
                        $extension_enabled = $this->extension_manager->is_enabled($ext_name);
                        if ($extension_enabled)
                        {
                            $this->extension_manager->disable($ext_name);
                        }
                        $this->extension_manager->enable($ext_name);
                        $extensions = $this->get_extensions();
                        if (isset($extensions[$ext_name]) && $extensions[$ext_name]['ext_active'])
                        {
                            // Create log
                            $this->log->add('admin', ANONYMOUS, '', 'LOG_EXT_UPDATE', time(), array($ext_name));
                            $this->iohandler->add_success_message(array('CLI_EXTENSION_UPDATE_SUCCESS', $ext_name));
                        }
                        else
                        {
                            $this->iohandler->add_log_message('CLI_EXTENSION_UPDATE_FAILURE', array($ext_name));
                        }
                        // Disable extensions if it was disabled by the admin before
                        if (!$extension_enabled && !in_array($ext_name, $default_update_extensions))
                        {
                            $this->extension_manager->disable($ext_name);
                        }
                    }
                    catch (\Exception $e)
                    {
                        // Add fail log and continue
                        $this->iohandler->add_log_message('CLI_EXTENSION_UPDATE_FAILURE', array($ext_name));
                    }
                }
                $i++;
                // Stop execution if resource limit is reached
                if ($this->install_config->get_time_remaining() <= 0 || $this->install_config->get_memory_remaining() <= 0)
                {
                    break;
                }
            }
            $this->install_config->set('update_extensions_index', $i);
            if ($i < count($all_available_extensions))
            {
                throw new resource_limit_reached_exception();
            }
        }
        $this->config->delete('version_update_from');
        $this->cache->purge();
        $this->config->increment('assets_version', 1);
    }
    /**
     * {@inheritdoc}
     */
    static public function get_step_count()
    {
        return 1;
    }
    /**
     * {@inheritdoc}
     */
    public function get_task_lang_name()
    {
        return 'TASK_UPDATE_EXTENSIONS';
    }
    /**
     * Get extensions from database
     *
     * @return array List of extensions
     */
    private function get_extensions()
    {
        $sql = 'SELECT *
            FROM ' . $this->extension_table;
        $result = $this->db->sql_query($sql);
        $extensions_row = $this->db->sql_fetchrowset($result);
        $this->db->sql_freeresult($result);
        $extensions = array();
        foreach ($extensions_row as $extension)
        {
            $extensions[$extension['ext_name']] = $extension;
        }
        ksort($extensions);
        return $extensions;
    }
}