7 files changed, 47 insertions, 11 deletions
diff --git a/phpBB/config/default/container/services_twig.yml b/phpBB/config/default/container/services_twig.yml
index 6b54311f41..9ab004731e 100644
--- a/phpBB/config/default/container/services_twig.yml
+++ b/phpBB/config/default/container/services_twig.yml
@@ -6,6 +6,7 @@ services:
         class: phpbb\template\twig\environment
         arguments:
             - @config
+            - @filesystem
             - @path_helper
             - @service_container
             - %core.template.cache_path%
diff --git a/phpBB/includes/bbcode.php b/phpBB/includes/bbcode.php
index 53675637a0..150157e275 100644
--- a/phpBB/includes/bbcode.php
+++ b/phpBB/includes/bbcode.php
@@ -142,6 +142,7 @@ class bbcode
 				new \phpbb\template\context(),
 				new \phpbb\template\twig\environment(
 					$phpbb_container->get('config'),
+					$phpbb_container->get('filesystem'),
 					$phpbb_container->get('path_helper'),
 					$phpbb_container,
 					$phpbb_container->getParameter('core.root_path') . 'cache/',
diff --git a/phpBB/includes/functions_messenger.php b/phpBB/includes/functions_messenger.php
index b0861585ba..4cbe1eb425 100644
--- a/phpBB/includes/functions_messenger.php
+++ b/phpBB/includes/functions_messenger.php
@@ -637,6 +637,7 @@ class messenger
 			new \phpbb\template\context(),
 			new \phpbb\template\twig\environment(
 				$phpbb_container->get('config'),
+				$phpbb_container->get('filesystem'),
 				$phpbb_container->get('path_helper'),
 				$phpbb_container,
 				$phpbb_container->getParameter('core.root_path') . 'cache/',
diff --git a/phpBB/install/index.php b/phpBB/install/index.php
index df1229c9f2..657825ca39 100644
--- a/phpBB/install/index.php
+++ b/phpBB/install/index.php
@@ -280,6 +280,7 @@ $cache_path = $phpbb_root_path . 'cache/';
 
 $twig_environment = new \phpbb\template\twig\environment(
 	$config,
+	$phpbb_filesystem,
 	$phpbb_path_helper,
 	$phpbb_container,
 	$cache_path,
diff --git a/phpBB/phpbb/template/asset.php b/phpBB/phpbb/template/asset.php
index 4729685459..cb00f16549 100644
--- a/phpBB/phpbb/template/asset.php
+++ b/phpBB/phpbb/template/asset.php
@@ -20,15 +20,20 @@ class asset
 	/** @var \phpbb\path_helper **/
 	protected $path_helper;
 
+	/** @var \phpbb\filesystem\filesystem */
+	protected $filesystem;
+
 	/**
 	* Constructor
 	*
 	* @param string $url URL
 	* @param \phpbb\path_helper $path_helper Path helper object
+	* @param \phpbb\filesystem\filesystem $filesystem
 	*/
-	public function __construct($url, \phpbb\path_helper $path_helper)
+	public function __construct($url, \phpbb\path_helper $path_helper, \phpbb\filesystem\filesystem $filesystem)
 	{
 		$this->path_helper = $path_helper;
+		$this->filesystem = $filesystem;
 
 		$this->set_url($url);
 	}
@@ -152,10 +157,22 @@ class asset
 	*/
 	public function set_path($path, $urlencode = false)
 	{
-		// Since 1.7.0 Twig returns the real path of the file. We need it to be relative to the working directory.
-		$real_root_path = realpath('.') . DIRECTORY_SEPARATOR;
-		if ($real_root_path && substr($path . DIRECTORY_SEPARATOR, 0, strlen($real_root_path)) === $real_root_path) {
-			$path = str_replace('\\', '/', substr($path, strlen($real_root_path)));
+		// Since 1.7.0 Twig returns the real path of the file. We need it to be relative.
+		$real_root_path = $this->filesystem->realpath($this->path_helper->get_phpbb_root_path()) . DIRECTORY_SEPARATOR;
+
+		// If the asset is under the phpBB root path we need to remove its path and then prepend $phpbb_root_path
+		if ($real_root_path && substr($path . DIRECTORY_SEPARATOR, 0, strlen($real_root_path)) === $real_root_path)
+		{
+			$path = $this->path_helper->get_phpbb_root_path() . str_replace('\\', '/', substr($path, strlen($real_root_path)));
+		}
+		else
+		{
+			// Else we make the path relative to the current working directory
+			$real_root_path = $this->filesystem->realpath('.') . DIRECTORY_SEPARATOR;
+			if ($real_root_path && substr($path . DIRECTORY_SEPARATOR, 0, strlen($real_root_path)) === $real_root_path)
+			{
+				$path = str_replace('\\', '/', substr($path, strlen($real_root_path)));
+			}
 		}
 
 		if ($urlencode)
diff --git a/phpBB/phpbb/template/twig/environment.php b/phpBB/phpbb/template/twig/environment.php
index 0ba7a265e4..e7b8aeab89 100644
--- a/phpBB/phpbb/template/twig/environment.php
+++ b/phpBB/phpbb/template/twig/environment.php
@@ -18,6 +18,9 @@ class environment extends \Twig_Environment
 	/** @var \phpbb\config\config */
 	protected $phpbb_config;
 
+	/** @var \phpbb\filesystem\filesystem */
+	protected $filesystem;
+
 	/** @var \phpbb\path_helper */
 	protected $phpbb_path_helper;
 
@@ -40,6 +43,7 @@ class environment extends \Twig_Environment
 	* Constructor
 	*
 	* @param \phpbb\config\config $phpbb_config The phpBB configuration
+	* @param \phpbb\filesystem\filesystem $filesystem
 	* @param \phpbb\path_helper $path_helper phpBB path helper
 	* @param \Symfony\Component\DependencyInjection\ContainerInterface $container The dependency injection container
 	* @param string $cache_path The path to the cache directory
@@ -47,10 +51,11 @@ class environment extends \Twig_Environment
 	* @param \Twig_LoaderInterface $loader Twig loader interface
 	* @param array $options Array of options to pass to Twig
 	*/
-	public function __construct($phpbb_config, \phpbb\path_helper $path_helper, \Symfony\Component\DependencyInjection\ContainerInterface $container, $cache_path, \phpbb\extension\manager $extension_manager = null, \Twig_LoaderInterface $loader = null, $options = array())
+	public function __construct(\phpbb\config\config $phpbb_config, \phpbb\filesystem\filesystem $filesystem, \phpbb\path_helper $path_helper, \Symfony\Component\DependencyInjection\ContainerInterface $container, $cache_path, \phpbb\extension\manager $extension_manager = null, \Twig_LoaderInterface $loader = null, $options = array())
 	{
 		$this->phpbb_config = $phpbb_config;
 
+		$this->filesystem = $filesystem;
 		$this->phpbb_path_helper = $path_helper;
 		$this->extension_manager = $extension_manager;
 		$this->container = $container;
@@ -106,16 +111,26 @@ class environment extends \Twig_Environment
 	}
 
 	/**
-	* Get the phpBB root path
-	*
-	* @return string
-	*/
+	 * Get the phpBB root path
+	 *
+	 * @return string
+	 */
 	public function get_phpbb_root_path()
 	{
 		return $this->phpbb_root_path;
 	}
 
 	/**
+	* Get the filesystem object
+	*
+	* @return \phpbb\filesystem\filesystem
+	*/
+	public function get_filesystem()
+	{
+		return $this->filesystem;
+	}
+
+	/**
 	* Get the web root path
 	*
 	* @return string
diff --git a/phpBB/phpbb/template/twig/node/includeasset.php b/phpBB/phpbb/template/twig/node/includeasset.php
index 15195a226b..324823b8d7 100644
--- a/phpBB/phpbb/template/twig/node/includeasset.php
+++ b/phpBB/phpbb/template/twig/node/includeasset.php
@@ -39,7 +39,7 @@ abstract class includeasset extends \Twig_Node
 			->write("\$asset_file = ")
 			->subcompile($this->getNode('expr'))
 			->raw(";\n")
-			->write("\$asset = new \phpbb\\template\\asset(\$asset_file, \$this->getEnvironment()->get_path_helper());\n")
+			->write("\$asset = new \phpbb\\template\\asset(\$asset_file, \$this->getEnvironment()->get_path_helper(), \$this->getEnvironment()->get_filesystem());\n")
 			->write("if (substr(\$asset_file, 0, 2) !== './' && \$asset->is_relative()) {\n")
 			->indent()
 				->write("\$asset_path = \$asset->get_path();")