2 files changed, 65 insertions, 51 deletions
diff --git a/phpBB/phpbb/extension/manager.php b/phpBB/phpbb/extension/manager.php
index 98d2d27278..ca0ff31d5d 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;
 
 /**
@@ -42,10 +44,10 @@ class manager
 	* @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_interface $filesystem, $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;
@@ -146,12 +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, $this->phpbb_root_path);
+		return new \phpbb\extension\metadata_manager($name, $this->config, $this, $this->phpbb_root_path);
 	}
 
 	/**
@@ -566,6 +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'], $version_check['filename'], isset($version_check['ssl']) ? $version_check['ssl'] : false);
+		$version_helper->force_stability($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 4f080647c8..6fc6dc9891 100644
--- a/phpBB/phpbb/extension/metadata_manager.php
+++ b/phpBB/phpbb/extension/metadata_manager.php
@@ -31,12 +31,6 @@ class metadata_manager
 	protected $extension_manager;
 
 	/**
-	* phpBB Template instance
-	* @var \phpbb\template\template
-	*/
-	protected $template;
-
-	/**
 	* phpBB root path
 	* @var string
 	*/
@@ -66,14 +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 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, $phpbb_root_path)
+	public function __construct($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->phpbb_root_path = $phpbb_root_path;
 
 		$this->ext_name = $ext_name;
@@ -101,28 +93,18 @@ class metadata_manager
 		{
 			case 'all':
 			default:
-				// Validate the metadata
-				if (!$this->validate())
-				{
-					return false;
-				}
-
+				$this->validate();
 				return $this->metadata;
 			break;
 
+			case 'version':
 			case 'name':
-				return ($this->validate('name')) ? $this->metadata['name'] : false;
+				$this->validate($element);
+				return $this->metadata[$element];
 			break;
 
 			case 'display-name':
-				if (isset($this->metadata['extra']['display-name']))
-				{
-					return $this->metadata['extra']['display-name'];
-				}
-				else
-				{
-					return ($this->validate('name')) ? $this->metadata['name'] : false;
-				}
+				return (isset($this->metadata['extra']['display-name'])) ? $this->metadata['extra']['display-name'] : $this->get_metadata('name');
 			break;
 		}
 	}
@@ -219,10 +201,8 @@ class metadata_manager
 		switch ($name)
 		{
 			case 'all':
-				$this->validate('display');
-
 				$this->validate_enable();
-			break;
+				// no break
 
 			case 'display':
 				foreach ($fields as $field => $data)
@@ -279,40 +259,43 @@ class metadata_manager
 	/**
 	* This array handles the verification that this extension can be enabled on this board
 	*
-	* @return bool True if validation succeeded, False if failed
+	* @return bool True if validation succeeded, throws an exception if invalid
+	* @throws \phpbb\extension\exception
 	*/
 	public function validate_enable()
 	{
 		// Check for valid directory & phpBB, PHP versions
-		if (!$this->validate_dir() || !$this->validate_require_phpbb() || !$this->validate_require_php())
-		{
-			return false;
-		}
-
-		return true;
+		return $this->validate_dir() && $this->validate_require_phpbb() && $this->validate_require_php();
 	}
 
 	/**
 	* Validates the most basic directory structure to ensure it follows <vendor>/<ext> convention.
 	*
-	* @return boolean True when passes validation
+	* @return boolean True when passes validation, throws an exception if invalid
+	* @throws \phpbb\extension\exception
 	*/
 	public function validate_dir()
 	{
-		return (substr_count($this->ext_name, '/') === 1 && $this->ext_name == $this->get_metadata('name'));
+		if (substr_count($this->ext_name, '/') !== 1 || $this->ext_name != $this->get_metadata('name'))
+		{
+			throw new \phpbb\extension\exception('EXTENSION_DIR_INVALID');
+		}
+
+		return true;
 	}
 
 
 	/**
 	* Validates the contents of the phpbb requirement field
 	*
-	* @return boolean True when passes validation
+	* @return boolean True when passes validation, throws an exception if invalid
+	* @throws \phpbb\extension\exception
 	*/
 	public function validate_require_phpbb()
 	{
 		if (!isset($this->metadata['extra']['soft-require']['phpbb/phpbb']))
 		{
-			return false;
+			throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array('soft-require'));
 		}
 
 		return true;
@@ -321,13 +304,14 @@ class metadata_manager
 	/**
 	* Validates the contents of the php requirement field
 	*
-	* @return boolean True when passes validation
+	* @return boolean True when passes validation, throws an exception if invalid
+	* @throws \phpbb\extension\exception
 	*/
 	public function validate_require_php()
 	{
 		if (!isset($this->metadata['require']['php']))
 		{
-			return false;
+			throw new \phpbb\extension\exception('META_FIELD_NOT_SET', array('require php'));
 		}
 
 		return true;
@@ -336,11 +320,11 @@ 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'] : '',
@@ -350,17 +334,17 @@ class metadata_manager
 			'META_LICENSE'		=> $this->metadata['license'],
 
 			'META_REQUIRE_PHP'		=> (isset($this->metadata['require']['php'])) ? $this->metadata['require']['php'] : '',
-			'META_REQUIRE_PHP_FAIL'	=> !$this->validate_require_php(),
+			'META_REQUIRE_PHP_FAIL'	=> (isset($this->metadata['require']['php'])) ? false : true,
 
 			'META_REQUIRE_PHPBB'		=> (isset($this->metadata['extra']['soft-require']['phpbb/phpbb'])) ? $this->metadata['extra']['soft-require']['phpbb/phpbb'] : '',
-			'META_REQUIRE_PHPBB_FAIL'	=> !$this->validate_require_phpbb(),
+			'META_REQUIRE_PHPBB_FAIL'	=> (isset($this->metadata['extra']['soft-require']['phpbb/phpbb'])) ? false : true,
 
 			'META_DISPLAY_NAME'	=> (isset($this->metadata['extra']['display-name'])) ? $this->metadata['extra']['display-name'] : '',
 		));
 
 		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'] : '',