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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\extension; | |
| use phpbb\exception\runtime_exception; | |
| use phpbb\file_downloader; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * The extension manager provides means to activate/deactivate extensions. | |
| */ | |
| class manager | |
| { | |
| /** @var ContainerInterface */ | |
| protected $container; | |
| protected $db; | |
| protected $config; | |
| protected $cache; | |
| protected $php_ext; | |
| protected $extensions; | |
| protected $extension_table; | |
| protected $phpbb_root_path; | |
| protected $cache_name; | |
| /** | |
| * Creates a manager and loads information from database | |
| * | |
| * @param ContainerInterface $container A container | |
| * @param \phpbb\db\driver\driver_interface $db A database connection | |
| * @param \phpbb\config\config $config Config object | |
| * @param \phpbb\filesystem\filesystem_interface $filesystem | |
| * @param string $extension_table The name of the table holding extensions | |
| * @param string $phpbb_root_path Path to the phpbb includes directory. | |
| * @param string $php_ext php file extension, defaults to php | |
| * @param \phpbb\cache\service $cache A cache instance or null | |
| * @param string $cache_name The name of the cache variable, defaults to _ext | |
| */ | |
| public function __construct(ContainerInterface $container, \phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\filesystem\filesystem_interface $filesystem, $extension_table, $phpbb_root_path, $php_ext = 'php', \phpbb\cache\service $cache = null, $cache_name = '_ext') | |
| { | |
| $this->cache = $cache; | |
| $this->cache_name = $cache_name; | |
| $this->config = $config; | |
| $this->container = $container; | |
| $this->db = $db; | |
| $this->extension_table = $extension_table; | |
| $this->filesystem = $filesystem; | |
| $this->phpbb_root_path = $phpbb_root_path; | |
| $this->php_ext = $php_ext; | |
| $this->extensions = ($this->cache) ? $this->cache->get($this->cache_name) : false; | |
| if ($this->extensions === false) | |
| { | |
| $this->load_extensions(); | |
| } | |
| } | |
| /** | |
| * Loads all extension information from the database | |
| * | |
| * @return null | |
| */ | |
| public function load_extensions() | |
| { | |
| $this->extensions = array(); | |
| // Do not try to load any extensions if the extension table | |
| // does not exist or when installing or updating. | |
| // Note: database updater invokes this code, and in 3.0 | |
| // there is no extension table therefore the rest of this function | |
| // fails | |
| if (defined('IN_INSTALL') || version_compare($this->config['version'], '3.1.0-dev', '<')) | |
| { | |
| return; | |
| } | |
| $sql = 'SELECT * | |
| FROM ' . $this->extension_table; | |
| $result = $this->db->sql_query($sql); | |
| $extensions = $this->db->sql_fetchrowset($result); | |
| $this->db->sql_freeresult($result); | |
| foreach ($extensions as $extension) | |
| { | |
| $extension['ext_path'] = $this->get_extension_path($extension['ext_name']); | |
| $this->extensions[$extension['ext_name']] = $extension; | |
| } | |
| ksort($this->extensions); | |
| if ($this->cache) | |
| { | |
| $this->cache->put($this->cache_name, $this->extensions); | |
| } | |
| } | |
| /** | |
| * Generates the path to an extension | |
| * | |
| * @param string $name The name of the extension | |
| * @param bool $phpbb_relative Whether the path should be relative to phpbb root | |
| * @return string Path to an extension | |
| */ | |
| public function get_extension_path($name, $phpbb_relative = false) | |
| { | |
| $name = str_replace('.', '', $name); | |
| return (($phpbb_relative) ? $this->phpbb_root_path : '') . 'ext/' . $name . '/'; | |
| } | |
| /** | |
| * Instantiates the extension meta class for the extension with the given name | |
| * | |
| * @param string $name The extension name | |
| * @return \phpbb\extension\extension_interface Instance of the extension meta class or | |
| * \phpbb\extension\base if the class does not exist | |
| */ | |
| public function get_extension($name) | |
| { | |
| $extension_class_name = str_replace('/', '\\', $name) . '\\ext'; | |
| $migrator = $this->container->get('migrator'); | |
| if (class_exists($extension_class_name)) | |
| { | |
| return new $extension_class_name($this->container, $this->get_finder(), $migrator, $name, $this->get_extension_path($name, true)); | |
| } | |
| else | |
| { | |
| return new \phpbb\extension\base($this->container, $this->get_finder(), $migrator, $name, $this->get_extension_path($name, true)); | |
| } | |
| } | |
| /** | |
| * Instantiates the metadata manager for the extension with the given name | |
| * | |
| * @param string $name The extension name | |
| * @return \phpbb\extension\metadata_manager Instance of the metadata manager | |
| */ | |
| public function create_extension_metadata_manager($name) | |
| { | |
| if (!isset($this->extensions[$name]['metadata'])) | |
| { | |
| $metadata = new \phpbb\extension\metadata_manager($name, $this->get_extension_path($name, true)); | |
| $this->extensions[$name]['metadata'] = $metadata; | |
| } | |
| return $this->extensions[$name]['metadata']; | |
| } | |
| /** | |
| * Update the database entry for an extension | |
| * | |
| * @param string $name Extension name to update | |
| * @param array $data Data to update in the database | |
| * @param string $action Action to perform, by default 'update', may be also 'insert' or 'delete' | |
| */ | |
| protected function update_state($name, $data, $action = 'update') | |
| { | |
| switch ($action) | |
| { | |
| case 'insert': | |
| $this->extensions[$name] = $data; | |
| $this->extensions[$name]['ext_path'] = $this->get_extension_path($name); | |
| ksort($this->extensions); | |
| $sql = 'INSERT INTO ' . $this->extension_table . ' ' . $this->db->sql_build_array('INSERT', $data); | |
| $this->db->sql_query($sql); | |
| break; | |
| case 'update': | |
| $this->extensions[$name] = array_merge($this->extensions[$name], $data); | |
| $sql = 'UPDATE ' . $this->extension_table . ' | |
| SET ' . $this->db->sql_build_array('UPDATE', $data) . " | |
| WHERE ext_name = '" . $this->db->sql_escape($name) . "'"; | |
| $this->db->sql_query($sql); | |
| break; | |
| case 'delete': | |
| unset($this->extensions[$name]); | |
| $sql = 'DELETE FROM ' . $this->extension_table . " | |
| WHERE ext_name = '" . $this->db->sql_escape($name) . "'"; | |
| $this->db->sql_query($sql); | |
| break; | |
| } | |
| if ($this->cache) | |
| { | |
| $this->cache->deferred_purge(); | |
| } | |
| } | |
| /** | |
| * Runs a step of the extension enabling process. | |
| * | |
| * Allows the exentension to enable in a long running script that works | |
| * in multiple steps across requests. State is kept for the extension | |
| * in the extensions table. | |
| * | |
| * @param string $name The extension's name | |
| * @return bool False if enabling is finished, true otherwise | |
| */ | |
| public function enable_step($name) | |
| { | |
| // ignore extensions that are already enabled | |
| if ($this->is_enabled($name)) | |
| { | |
| return false; | |
| } | |
| $old_state = (isset($this->extensions[$name]['ext_state'])) ? unserialize($this->extensions[$name]['ext_state']) : false; | |
| $extension = $this->get_extension($name); | |
| if (!$extension->is_enableable()) | |
| { | |
| return false; | |
| } | |
| $state = $extension->enable_step($old_state); | |
| $active = ($state === false); | |
| $extension_data = array( | |
| 'ext_name' => $name, | |
| 'ext_active' => $active, | |
| 'ext_state' => serialize($state), | |
| ); | |
| $this->update_state($name, $extension_data, $this->is_configured($name) ? 'update' : 'insert'); | |
| if ($active) | |
| { | |
| $this->config->increment('assets_version', 1); | |
| } | |
| return !$active; | |
| } | |
| /** | |
| * Enables an extension | |
| * | |
| * This method completely enables an extension. But it could be long running | |
| * so never call this in a script that has a max_execution time. | |
| * | |
| * @param string $name The extension's name | |
| * @return null | |
| */ | |
| public function enable($name) | |
| { | |
| // @codingStandardsIgnoreStart | |
| while ($this->enable_step($name)); | |
| // @codingStandardsIgnoreEnd | |
| } | |
| /** | |
| * Disables an extension | |
| * | |
| * Calls the disable method on the extension's meta class to allow it to | |
| * process the event. | |
| * | |
| * @param string $name The extension's name | |
| * @return bool False if disabling is finished, true otherwise | |
| */ | |
| public function disable_step($name) | |
| { | |
| // ignore extensions that are not enabled | |
| if (!$this->is_enabled($name)) | |
| { | |
| return false; | |
| } | |
| $old_state = unserialize($this->extensions[$name]['ext_state']); | |
| $extension = $this->get_extension($name); | |
| $state = $extension->disable_step($old_state); | |
| $active = ($state !== false); | |
| $extension_data = array( | |
| 'ext_active' => $active, | |
| 'ext_state' => serialize($state), | |
| ); | |
| $this->update_state($name, $extension_data); | |
| return $active; | |
| } | |
| /** | |
| * Disables an extension | |
| * | |
| * Disables an extension completely at once. This process could run for a | |
| * while so never call this in a script that has a max_execution time. | |
| * | |
| * @param string $name The extension's name | |
| * @return null | |
| */ | |
| public function disable($name) | |
| { | |
| // @codingStandardsIgnoreStart | |
| while ($this->disable_step($name)); | |
| // @codingStandardsIgnoreEnd | |
| } | |
| /** | |
| * Purge an extension | |
| * | |
| * Disables the extension first if active, and then calls purge on the | |
| * extension's meta class to delete the extension's database content. | |
| * | |
| * @param string $name The extension's name | |
| * @return bool False if purging is finished, true otherwise | |
| */ | |
| public function purge_step($name) | |
| { | |
| // ignore extensions that are not configured | |
| if (!$this->is_configured($name)) | |
| { | |
| return false; | |
| } | |
| // disable first if necessary | |
| if ($this->extensions[$name]['ext_active']) | |
| { | |
| $this->disable($name); | |
| } | |
| $old_state = unserialize($this->extensions[$name]['ext_state']); | |
| $extension = $this->get_extension($name); | |
| $state = $extension->purge_step($old_state); | |
| $purged = ($state === false); | |
| $extension_data = array( | |
| 'ext_state' => serialize($state), | |
| ); | |
| $this->update_state($name, $extension_data, $purged ? 'delete' : 'update'); | |
| // continue until the state is false | |
| return !$purged; | |
| } | |
| /** | |
| * Purge an extension | |
| * | |
| * Purges an extension completely at once. This process could run for a while | |
| * so never call this in a script that has a max_execution time. | |
| * | |
| * @param string $name The extension's name | |
| * @return null | |
| */ | |
| public function purge($name) | |
| { | |
| // @codingStandardsIgnoreStart | |
| while ($this->purge_step($name)); | |
| // @codingStandardsIgnoreEnd | |
| } | |
| /** | |
| * Retrieves a list of all available extensions on the filesystem | |
| * | |
| * @return array An array with extension names as keys and paths to the | |
| * extension as values | |
| */ | |
| public function all_available() | |
| { | |
| $available = array(); | |
| if (!is_dir($this->phpbb_root_path . 'ext/')) | |
| { | |
| return $available; | |
| } | |
| $iterator = new \RecursiveIteratorIterator( | |
| new \phpbb\recursive_dot_prefix_filter_iterator( | |
| new \RecursiveDirectoryIterator($this->phpbb_root_path . 'ext/', \FilesystemIterator::NEW_CURRENT_AND_KEY | \FilesystemIterator::FOLLOW_SYMLINKS) | |
| ), | |
| \RecursiveIteratorIterator::SELF_FIRST | |
| ); | |
| $iterator->setMaxDepth(2); | |
| foreach ($iterator as $file_info) | |
| { | |
| if ($file_info->isFile() && $file_info->getFilename() == 'composer.json') | |
| { | |
| $ext_name = $iterator->getInnerIterator()->getSubPath(); | |
| $ext_name = str_replace(DIRECTORY_SEPARATOR, '/', $ext_name); | |
| if ($this->is_available($ext_name)) | |
| { | |
| $available[$ext_name] = $this->get_extension_path($ext_name, true); | |
| } | |
| } | |
| } | |
| ksort($available); | |
| return $available; | |
| } | |
| /** | |
| * Retrieves all configured extensions. | |
| * | |
| * All enabled and disabled extensions are considered configured. A purged | |
| * extension that is no longer in the database is not configured. | |
| * | |
| * @param bool $phpbb_relative Whether the path should be relative to phpbb root | |
| * | |
| * @return array An array with extension names as keys and and the | |
| * database stored extension information as values | |
| */ | |
| public function all_configured($phpbb_relative = true) | |
| { | |
| $configured = array(); | |
| foreach ($this->extensions as $name => $data) | |
| { | |
| if ($this->is_configured($name)) | |
| { | |
| unset($data['metadata']); | |
| $data['ext_path'] = ($phpbb_relative ? $this->phpbb_root_path : '') . $data['ext_path']; | |
| $configured[$name] = $data; | |
| } | |
| } | |
| return $configured; | |
| } | |
| /** | |
| * Retrieves all enabled extensions. | |
| * @param bool $phpbb_relative Whether the path should be relative to phpbb root | |
| * | |
| * @return array An array with extension names as keys and and the | |
| * database stored extension information as values | |
| */ | |
| public function all_enabled($phpbb_relative = true) | |
| { | |
| $enabled = array(); | |
| foreach ($this->extensions as $name => $data) | |
| { | |
| if ($this->is_enabled($name)) | |
| { | |
| $enabled[$name] = ($phpbb_relative ? $this->phpbb_root_path : '') . $data['ext_path']; | |
| } | |
| } | |
| return $enabled; | |
| } | |
| /** | |
| * Retrieves all disabled extensions. | |
| * | |
| * @param bool $phpbb_relative Whether the path should be relative to phpbb root | |
| * | |
| * @return array An array with extension names as keys and and the | |
| * database stored extension information as values | |
| */ | |
| public function all_disabled($phpbb_relative = true) | |
| { | |
| $disabled = array(); | |
| foreach ($this->extensions as $name => $data) | |
| { | |
| if ($this->is_disabled($name)) | |
| { | |
| $disabled[$name] = ($phpbb_relative ? $this->phpbb_root_path : '') . $data['ext_path']; | |
| } | |
| } | |
| return $disabled; | |
| } | |
| /** | |
| * Check to see if a given extension is available on the filesystem | |
| * | |
| * @param string $name Extension name to check NOTE: Can be user input | |
| * @return bool Depending on whether or not the extension is available | |
| */ | |
| public function is_available($name) | |
| { | |
| $md_manager = $this->create_extension_metadata_manager($name); | |
| try | |
| { | |
| return $md_manager->get_metadata('all') && $md_manager->validate_enable(); | |
| } | |
| catch (\phpbb\extension\exception $e) | |
| { | |
| return false; | |
| } | |
| } | |
| /** | |
| * Check to see if a given extension is enabled | |
| * | |
| * @param string $name Extension name to check | |
| * @return bool Depending on whether or not the extension is enabled | |
| */ | |
| public function is_enabled($name) | |
| { | |
| return isset($this->extensions[$name]['ext_active']) && $this->extensions[$name]['ext_active']; | |
| } | |
| /** | |
| * Check to see if a given extension is disabled | |
| * | |
| * @param string $name Extension name to check | |
| * @return bool Depending on whether or not the extension is disabled | |
| */ | |
| public function is_disabled($name) | |
| { | |
| return isset($this->extensions[$name]['ext_active']) && !$this->extensions[$name]['ext_active']; | |
| } | |
| /** | |
| * Check to see if a given extension is configured | |
| * | |
| * All enabled and disabled extensions are considered configured. A purged | |
| * extension that is no longer in the database is not configured. | |
| * | |
| * @param string $name Extension name to check | |
| * @return bool Depending on whether or not the extension is configured | |
| */ | |
| public function is_configured($name) | |
| { | |
| return isset($this->extensions[$name]['ext_active']); | |
| } | |
| /** | |
| * Check the version and return the available updates (for an extension). | |
| * | |
| * @param \phpbb\extension\metadata_manager $md_manager The metadata manager for the version to check. | |
| * @param bool $force_update Ignores cached data. Defaults to false. | |
| * @param bool $force_cache Force the use of the cache. Override $force_update. | |
| * @param string $stability Force the stability (null by default). | |
| * @return array | |
| * @throws runtime_exception | |
| */ | |
| public function version_check(\phpbb\extension\metadata_manager $md_manager, $force_update = false, $force_cache = false, $stability = null) | |
| { | |
| $meta = $md_manager->get_metadata('all'); | |
| if (!isset($meta['extra']['version-check'])) | |
| { | |
| throw new runtime_exception('NO_VERSIONCHECK'); | |
| } | |
| $version_check = $meta['extra']['version-check']; | |
| $version_helper = new \phpbb\version_helper($this->cache, $this->config, new file_downloader()); | |
| $version_helper->set_current_version($meta['version']); | |
| $version_helper->set_file_location($version_check['host'], $version_check['directory'], $version_check['filename'], isset($version_check['ssl']) ? $version_check['ssl'] : false); | |
| $version_helper->force_stability($stability); | |
| return $version_helper->get_ext_update_on_branch($force_update, $force_cache); | |
| } | |
| /** | |
| * Check to see if a given extension is purged | |
| * | |
| * An extension is purged if it is available, not enabled and not disabled. | |
| * | |
| * @param string $name Extension name to check | |
| * @return bool Depending on whether or not the extension is purged | |
| */ | |
| public function is_purged($name) | |
| { | |
| return $this->is_available($name) && !$this->is_configured($name); | |
| } | |
| /** | |
| * Instantiates a \phpbb\finder. | |
| * | |
| * @param bool $use_all_available Should we load all extensions, or just enabled ones | |
| * @return \phpbb\finder An extension finder instance | |
| */ | |
| public function get_finder($use_all_available = false) | |
| { | |
| $finder = new \phpbb\finder($this->filesystem, $this->phpbb_root_path, $this->cache, $this->php_ext, $this->cache_name . '_finder'); | |
| if ($use_all_available) | |
| { | |
| $finder->set_extensions(array_keys($this->all_available())); | |
| } | |
| else | |
| { | |
| $finder->set_extensions(array_keys($this->all_enabled())); | |
| } | |
| return $finder; | |
| } | |
| } |