5 files changed, 205 insertions, 55 deletions
diff --git a/phpBB/phpbb/extension/base.php b/phpBB/phpbb/extension/base.php
index 5bb530bad4..c7778cfed1 100644
--- a/phpBB/phpbb/extension/base.php
+++ b/phpBB/phpbb/extension/base.php
@@ -24,7 +24,7 @@ class base implements \phpbb\extension\extension_interface
 	protected $container;
 
 	/** @var \phpbb\finder */
-	protected $finder;
+	protected $extension_finder;
 
 	/** @var \phpbb\db\migrator */
 	protected $migrator;
@@ -73,9 +73,7 @@ class base implements \phpbb\extension\extension_interface
 	*/
 	public function enable_step($old_state)
 	{
-		$migrations = $this->get_migration_file_list();
-
-		$this->migrator->set_migrations($migrations);
+		$this->get_migration_file_list();
 
 		$this->migrator->update();
 
@@ -103,8 +101,6 @@ class base implements \phpbb\extension\extension_interface
 	{
 		$migrations = $this->get_migration_file_list();
 
-		$this->migrator->set_migrations($migrations);
-
 		foreach ($migrations as $migration)
 		{
 			while ($this->migrator->migration_state($migration) !== false)
@@ -137,6 +133,10 @@ class base implements \phpbb\extension\extension_interface
 
 		$migrations = $this->extension_finder->get_classes_from_files($migrations);
 
+		$this->migrator->set_migrations($migrations);
+
+		$migrations = $this->migrator->get_migrations();
+
 		return $migrations;
 	}
 }
diff --git a/phpBB/phpbb/extension/di/extension_base.php b/phpBB/phpbb/extension/di/extension_base.php
new file mode 100644
index 0000000000..ba74615e70
--- /dev/null
+++ b/phpBB/phpbb/extension/di/extension_base.php
@@ -0,0 +1,138 @@
+<?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\di;
+
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+
+/**
+ * Container core extension
+ */
+class extension_base extends Extension
+{
+	/**
+	 * Name of the extension (vendor/name)
+	 *
+	 * @var string
+	 */
+	protected $extension_name;
+
+	/**
+	 * Path to the extension.
+	 *
+	 * @var string
+	 */
+	protected $ext_path;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string $extension_name Name of the extension (vendor/name)
+	 * @param string $ext_path       Path to the extension
+	 */
+	public function __construct($extension_name, $ext_path)
+	{
+		$this->extension_name = $extension_name;
+		$this->ext_path = $ext_path;
+	}
+
+	/**
+	 * Loads a specific configuration.
+	 *
+	 * @param array            $configs   An array of configuration values
+	 * @param ContainerBuilder $container A ContainerBuilder instance
+	 *
+	 * @throws \InvalidArgumentException When provided tag is not defined in this extension
+	 */
+	public function load(array $configs, ContainerBuilder $container)
+	{
+		$this->load_services($container);
+	}
+
+	/**
+	 * Loads the services.yml file.
+	 *
+	 * @param ContainerBuilder $container A ContainerBuilder instance
+	 */
+	protected function load_services(ContainerBuilder $container)
+	{
+		$services_directory = false;
+		$services_file = false;
+
+		if (file_exists($this->ext_path . 'config/' . $container->getParameter('core.environment') . '/container/environment.yml'))
+		{
+			$services_directory = $this->ext_path . 'config/' . $container->getParameter('core.environment') . '/container/';
+			$services_file = 'environment.yml';
+		}
+		else if (!is_dir($this->ext_path . 'config/' . $container->getParameter('core.environment')))
+		{
+			if (file_exists($this->ext_path . 'config/default/container/environment.yml'))
+			{
+				$services_directory = $this->ext_path . 'config/default/container/';
+				$services_file = 'environment.yml';
+			}
+			else if (!is_dir($this->ext_path . 'config/default') && file_exists($this->ext_path . '/config/services.yml'))
+			{
+				$services_directory = $this->ext_path . 'config';
+				$services_file = 'services.yml';
+			}
+		}
+
+		if ($services_directory && $services_file)
+		{
+			$filesystem = new \phpbb\filesystem\filesystem();
+			$loader = new YamlFileLoader($container, new FileLocator($filesystem->realpath($services_directory)));
+			$loader->load($services_file);
+		}
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function getConfiguration(array $config, ContainerBuilder $container)
+	{
+		$reflected = new \ReflectionClass($this);
+		$namespace = $reflected->getNamespaceName();
+
+		$class = $namespace . '\\di\configuration';
+		if (class_exists($class))
+		{
+			$r = new \ReflectionClass($class);
+			$container->addResource(new FileResource($r->getFileName()));
+
+			if (!method_exists($class, '__construct'))
+			{
+				$configuration = new $class();
+
+				return $configuration;
+			}
+		}
+
+	}
+
+	/**
+	 * Returns the recommended alias to use in XML.
+	 *
+	 * This alias is also the mandatory prefix to use when using YAML.
+	 *
+	 * @return string The alias
+	 */
+	public function getAlias()
+	{
+		return str_replace('/', '_', $this->extension_name);
+	}
+}
diff --git a/phpBB/phpbb/extension/exception.php b/phpBB/phpbb/extension/exception.php
index 3f7d251a4e..9050449bf1 100644
--- a/phpBB/phpbb/extension/exception.php
+++ b/phpBB/phpbb/extension/exception.php
@@ -16,10 +16,6 @@ namespace phpbb\extension;
 /**
  * Exception class for metadata
  */
-class exception extends \UnexpectedValueException
+class exception extends \phpbb\exception\runtime_exception
 {
-	public function __toString()
-	{
-		return $this->getMessage();
-	}
 }
diff --git a/phpBB/phpbb/extension/manager.php b/phpBB/phpbb/extension/manager.php
index 76f0e3558e..b2b60aaa9b 100644
--- a/phpBB/phpbb/extension/manager.php
+++ b/phpBB/phpbb/extension/manager.php
@@ -13,6 +13,8 @@
 
 namespace phpbb\extension;
 
+use phpbb\exception\runtime_exception;
+use phpbb\file_downloader;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -26,7 +28,6 @@ class manager
 	protected $db;
 	protected $config;
 	protected $cache;
-	protected $user;
 	protected $php_ext;
 	protected $extensions;
 	protected $extension_table;
@@ -39,15 +40,14 @@ class manager
 	* @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
-	* @param \phpbb\user $user User 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\driver\driver_interface $cache A cache instance or null
+	* @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, \phpbb\user $user, $extension_table, $phpbb_root_path, $php_ext = 'php', \phpbb\cache\driver\driver_interface $cache = null, $cache_name = '_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;
@@ -58,7 +58,6 @@ class manager
 		$this->filesystem = $filesystem;
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
-		$this->user = $user;
 
 		$this->extensions = ($this->cache) ? $this->cache->get($this->cache_name) : false;
 
@@ -149,12 +148,11 @@ class manager
 	* Instantiates the metadata manager for the extension with the given name
 	*
 	* @param string $name The extension name
-	* @param \phpbb\template\template $template The template manager
 	* @return \phpbb\extension\metadata_manager Instance of the metadata manager
 	*/
-	public function create_extension_metadata_manager($name, \phpbb\template\template $template)
+	public function create_extension_metadata_manager($name)
 	{
-		return new \phpbb\extension\metadata_manager($name, $this->config, $this, $template, $this->user, $this->phpbb_root_path);
+		return new \phpbb\extension\metadata_manager($name, $this->config, $this, $this->phpbb_root_path);
 	}
 
 	/**
@@ -464,15 +462,17 @@ class manager
 	* All enabled and disabled extensions are considered configured. A purged
 	* extension that is no longer in the database is not configured.
 	*
+	* @param bool $phpbb_relative Whether the path should be relative to phpbb root
+	*
 	* @return array An array with extension names as keys and and the
 	*               database stored extension information as values
 	*/
-	public function all_configured()
+	public function all_configured($phpbb_relative = true)
 	{
 		$configured = array();
 		foreach ($this->extensions as $name => $data)
 		{
-			$data['ext_path'] = $this->phpbb_root_path . $data['ext_path'];
+			$data['ext_path'] = ($phpbb_relative ? $this->phpbb_root_path : '') . $data['ext_path'];
 			$configured[$name] = $data;
 		}
 		return $configured;
@@ -480,18 +480,19 @@ class manager
 
 	/**
 	* Retrieves all enabled extensions.
+	* @param bool $phpbb_relative Whether the path should be relative to phpbb root
 	*
 	* @return array An array with extension names as keys and and the
 	*               database stored extension information as values
 	*/
-	public function all_enabled()
+	public function all_enabled($phpbb_relative = true)
 	{
 		$enabled = array();
 		foreach ($this->extensions as $name => $data)
 		{
 			if ($data['ext_active'])
 			{
-				$enabled[$name] = $this->phpbb_root_path . $data['ext_path'];
+				$enabled[$name] = ($phpbb_relative ? $this->phpbb_root_path : '') . $data['ext_path'];
 			}
 		}
 		return $enabled;
@@ -500,17 +501,19 @@ class manager
 	/**
 	* Retrieves all disabled extensions.
 	*
+	* @param bool $phpbb_relative Whether the path should be relative to phpbb root
+	*
 	* @return array An array with extension names as keys and and the
 	*               database stored extension information as values
 	*/
-	public function all_disabled()
+	public function all_disabled($phpbb_relative = true)
 	{
 		$disabled = array();
 		foreach ($this->extensions as $name => $data)
 		{
 			if (!$data['ext_active'])
 			{
-				$disabled[$name] = $this->phpbb_root_path . $data['ext_path'];
+				$disabled[$name] = ($phpbb_relative ? $this->phpbb_root_path : '') . $data['ext_path'];
 			}
 		}
 		return $disabled;
@@ -564,6 +567,35 @@ class manager
 	}
 
 	/**
+	* 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 string
+	* @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']);
+		$version_helper->force_stability($stability);
+
+		return $updates = $version_helper->get_suggested_updates($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.
diff --git a/phpBB/phpbb/extension/metadata_manager.php b/phpBB/phpbb/extension/metadata_manager.php
index 34e2910a33..2b8b1bbd6a 100644
--- a/phpBB/phpbb/extension/metadata_manager.php
+++ b/phpBB/phpbb/extension/metadata_manager.php
@@ -31,18 +31,6 @@ class metadata_manager
 	protected $extension_manager;
 
 	/**
-	* phpBB Template instance
-	* @var \phpbb\template\template
-	*/
-	protected $template;
-
-	/**
-	* phpBB User instance
-	* @var \phpbb\user
-	*/
-	protected $user;
-
-	/**
 	* phpBB root path
 	* @var string
 	*/
@@ -72,16 +60,12 @@ class metadata_manager
 	* @param string				$ext_name			Name (including vendor) of the extension
 	* @param \phpbb\config\config		$config				phpBB Config instance
 	* @param \phpbb\extension\manager	$extension_manager	An instance of the phpBB extension manager
-	* @param \phpbb\template\template	$template			phpBB Template instance
-	* @param \phpbb\user 		$user 				User instance
 	* @param string				$phpbb_root_path	Path to the phpbb includes directory.
 	*/
-	public function __construct($ext_name, \phpbb\config\config $config, \phpbb\extension\manager $extension_manager, \phpbb\template\template $template, \phpbb\user $user, $phpbb_root_path)
+	public function __construct($ext_name, \phpbb\config\config $config, \phpbb\extension\manager $extension_manager, $phpbb_root_path)
 	{
 		$this->config = $config;
 		$this->extension_manager = $extension_manager;
-		$this->template = $template;
-		$this->user = $user;
 		$this->phpbb_root_path = $phpbb_root_path;
 
 		$this->ext_name = $ext_name;
@@ -150,7 +134,7 @@ class metadata_manager
 
 		if (!file_exists($this->metadata_file))
 		{
-			throw new \phpbb\extension\exception($this->user->lang('FILE_NOT_FOUND', $this->metadata_file));
+			throw new \phpbb\extension\exception('FILE_NOT_FOUND', array($this->metadata_file));
 		}
 	}
 
@@ -164,18 +148,18 @@ class metadata_manager
 	{
 		if (!file_exists($this->metadata_file))
 		{
-			throw new \phpbb\extension\exception($this->user->lang('FILE_NOT_FOUND', $this->metadata_file));
+			throw new \phpbb\extension\exception('FILE_NOT_FOUND', array($this->metadata_file));
 		}
 		else
 		{
 			if (!($file_contents = file_get_contents($this->metadata_file)))
 			{
-				throw new \phpbb\extension\exception($this->user->lang('FILE_CONTENT_ERR', $this->metadata_file));
+				throw new \phpbb\extension\exception('FILE_CONTENT_ERR', array($this->metadata_file));
 			}
 
 			if (($metadata = json_decode($file_contents, true)) === null)
 			{
-				throw new \phpbb\extension\exception($this->user->lang('FILE_JSON_DECODE_ERR', $this->metadata_file));
+				throw new \phpbb\extension\exception('FILE_JSON_DECODE_ERR', array($this->metadata_file));
 			}
 
 			array_walk_recursive($metadata, array($this, 'sanitize_json'));
@@ -247,12 +231,12 @@ class metadata_manager
 				{
 					if (!isset($this->metadata[$name]))
 					{
-						throw new \phpbb\extension\exception($this->user->lang('META_FIELD_NOT_SET', $name));
+						throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array($name));
 					}
 
 					if (!preg_match($fields[$name], $this->metadata[$name]))
 					{
-						throw new \phpbb\extension\exception($this->user->lang('META_FIELD_INVALID', $name));
+						throw new \phpbb\extension\exception('META_FIELD_INVALID', array($name));
 					}
 				}
 			break;
@@ -271,14 +255,14 @@ class metadata_manager
 	{
 		if (empty($this->metadata['authors']))
 		{
-			throw new \phpbb\extension\exception($this->user->lang('META_FIELD_NOT_SET', 'authors'));
+			throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array('authors'));
 		}
 
 		foreach ($this->metadata['authors'] as $author)
 		{
 			if (!isset($author['name']))
 			{
-				throw new \phpbb\extension\exception($this->user->lang('META_FIELD_NOT_SET', 'author name'));
+				throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array('author name'));
 			}
 		}
 
@@ -345,11 +329,11 @@ class metadata_manager
 	/**
 	* Outputs the metadata into the template
 	*
-	* @return null
+	* @param \phpbb\template\template	$template	phpBB Template instance
 	*/
-	public function output_template_data()
+	public function output_template_data(\phpbb\template\template $template)
 	{
-		$this->template->assign_vars(array(
+		$template->assign_vars(array(
 			'META_NAME'			=> $this->metadata['name'],
 			'META_TYPE'			=> $this->metadata['type'],
 			'META_DESCRIPTION'	=> (isset($this->metadata['description'])) ? $this->metadata['description'] : '',
@@ -369,7 +353,7 @@ class metadata_manager
 
 		foreach ($this->metadata['authors'] as $author)
 		{
-			$this->template->assign_block_vars('meta_authors', array(
+			$template->assign_block_vars('meta_authors', array(
 				'AUTHOR_NAME'		=> $author['name'],
 				'AUTHOR_EMAIL'		=> (isset($author['email'])) ? $author['email'] : '',
 				'AUTHOR_HOMEPAGE'	=> (isset($author['homepage'])) ? $author['homepage'] : '',