4 files changed, 246 insertions, 6 deletions
diff --git a/phpBB/phpbb/controller/helper.php b/phpBB/phpbb/controller/helper.php
index 930bc42a98..e330fb5b6d 100644
--- a/phpBB/phpbb/controller/helper.php
+++ b/phpBB/phpbb/controller/helper.php
@@ -40,6 +40,9 @@ class helper
 	*/
 	protected $config;
 
+	/* @var \phpbb\symfony_request */
+	protected $symfony_request;
+
 	/**
 	* phpBB root path
 	* @var string
@@ -60,14 +63,16 @@ class helper
 	* @param \phpbb\config\config $config Config object
 	* @param \phpbb\controller\provider $provider Path provider
 	* @param \phpbb\extension\manager $manager Extension manager object
+	* @param \phpbb\symfony_request $symfony_request Symfony Request object
 	* @param string $phpbb_root_path phpBB root path
 	* @param string $php_ext PHP extension
 	*/
-	public function __construct(\phpbb\template\template $template, \phpbb\user $user, \phpbb\config\config $config, \phpbb\controller\provider $provider, \phpbb\extension\manager $manager, $phpbb_root_path, $php_ext)
+	public function __construct(\phpbb\template\template $template, \phpbb\user $user, \phpbb\config\config $config, \phpbb\controller\provider $provider, \phpbb\extension\manager $manager, \phpbb\symfony_request $symfony_request, $phpbb_root_path, $php_ext)
 	{
 		$this->template = $template;
 		$this->user = $user;
 		$this->config = $config;
+		$this->symfony_request = $symfony_request;
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
 		$provider->find_routing_files($manager->get_finder());
@@ -151,4 +156,14 @@ class helper
 
 		return $this->render('message_body.html', $this->user->lang('INFORMATION'), $code);
 	}
+
+	/**
+	* Return the current url
+	*
+	* @return string
+	*/
+	public function get_current_url()
+	{
+		return generate_board_url(true) . $this->symfony_request->getRequestUri();
+	}
 }
diff --git a/phpBB/phpbb/db/driver/sqlite3.php b/phpBB/phpbb/db/driver/sqlite3.php
index 6511c755a0..0922229e0a 100644
--- a/phpBB/phpbb/db/driver/sqlite3.php
+++ b/phpBB/phpbb/db/driver/sqlite3.php
@@ -50,9 +50,10 @@ class sqlite3 extends \phpbb\db\driver\driver
 			$this->dbo = new \SQLite3($this->server, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE);
 			$this->db_connect_id = true;
 		}
-		catch (Exception $e)
+		catch (\Exception $e)
 		{
-			return array('message' => $e->getMessage());
+			$this->connect_error = $e->getMessage();
+			return array('message' => $this->connect_error);
 		}
 
 		return true;
@@ -280,7 +281,7 @@ class sqlite3 extends \phpbb\db\driver\driver
 	*/
 	protected function _sql_error()
 	{
-		if (class_exists('SQLite3', false))
+		if (class_exists('SQLite3', false) && isset($this->dbo))
 		{
 			$error = array(
 				'message'	=> $this->dbo->lastErrorMsg(),
diff --git a/phpBB/phpbb/db/migration/tool/config_text.php b/phpBB/phpbb/db/migration/tool/config_text.php
new file mode 100644
index 0000000000..bf8ac55023
--- /dev/null
+++ b/phpBB/phpbb/db/migration/tool/config_text.php
@@ -0,0 +1,125 @@
+<?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\db\migration\tool;
+
+/**
+* Migration config_text tool
+*/
+class config_text implements \phpbb\db\migration\tool\tool_interface
+{
+	/** @var \phpbb\config\db_text */
+	protected $config_text;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\config\db_text $config_text
+	*/
+	public function __construct(\phpbb\config\db_text $config_text)
+	{
+		$this->config_text = $config_text;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_name()
+	{
+		return 'config_text';
+	}
+
+	/**
+	* Add a config_text setting.
+	*
+	* @param string $config_name The name of the config_text setting
+	* 	you would like to add
+	* @param mixed $config_value The value of the config_text setting
+	* @return null
+	*/
+	public function add($config_name, $config_value)
+	{
+		if (!is_null($this->config_text->get($config_name)))
+		{
+			return;
+		}
+
+		$this->config_text->set($config_name, $config_value);
+	}
+
+	/**
+	* Update an existing config_text setting.
+	*
+	* @param string $config_name The name of the config_text setting you would
+	* 	like to update
+	* @param mixed $config_value The value of the config_text setting
+	* @return null
+	* @throws \phpbb\db\migration\exception
+	*/
+	public function update($config_name, $config_value)
+	{
+		if (is_null($this->config_text->get($config_name)))
+		{
+			throw new \phpbb\db\migration\exception('CONFIG_NOT_EXIST', $config_name);
+		}
+
+		$this->config_text->set($config_name, $config_value);
+	}
+
+	/**
+	* Remove an existing config_text setting.
+	*
+	* @param string $config_name The name of the config_text setting you would
+	* 	like to remove
+	* @return null
+	*/
+	public function remove($config_name)
+	{
+		if (is_null($this->config_text->get($config_name)))
+		{
+			return;
+		}
+
+		$this->config_text->delete($config_name);
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function reverse()
+	{
+		$arguments = func_get_args();
+		$original_call = array_shift($arguments);
+
+		$call = false;
+		switch ($original_call)
+		{
+			case 'add':
+				$call = 'remove';
+			break;
+
+			case 'remove':
+				$call = 'add';
+				if (sizeof($arguments) == 1)
+				{
+					$arguments[] = '';
+				}
+			break;
+		}
+
+		if ($call)
+		{
+			return call_user_func_array(array(&$this, $call), $arguments);
+		}
+	}
+}
diff --git a/phpBB/phpbb/path_helper.php b/phpBB/phpbb/path_helper.php
index b592cc4460..a8592eac6c 100644
--- a/phpBB/phpbb/path_helper.php
+++ b/phpBB/phpbb/path_helper.php
@@ -24,6 +24,9 @@ class path_helper
 	/** @var \phpbb\filesystem */
 	protected $filesystem;
 
+	/** @var \phpbb\request\request_interface */
+	protected $request;
+
 	/** @var string */
 	protected $phpbb_root_path;
 
@@ -41,13 +44,16 @@ class path_helper
 	*
 	* @param \phpbb\symfony_request $symfony_request
 	* @param \phpbb\filesystem $filesystem
+	* @param \phpbb\request\request_interface $request
 	* @param string $phpbb_root_path Relative path to phpBB root
 	* @param string $php_ext PHP extension (php)
+	* @param mixed $adm_relative_path Relative path admin path to adm/ root
 	*/
-	public function __construct(\phpbb\symfony_request $symfony_request, \phpbb\filesystem $filesystem, $phpbb_root_path, $php_ext, $adm_relative_path = null)
+	public function __construct(\phpbb\symfony_request $symfony_request, \phpbb\filesystem $filesystem, \phpbb\request\request_interface $request, $phpbb_root_path, $php_ext, $adm_relative_path = null)
 	{
 		$this->symfony_request = $symfony_request;
 		$this->filesystem = $filesystem;
+		$this->request = $request;
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
 		$this->adm_relative_path = $adm_relative_path;
@@ -98,7 +104,13 @@ class path_helper
 		{
 			$path = substr($path, strlen($this->phpbb_root_path));
 
-			return $this->filesystem->clean_path($this->get_web_root_path() . $path);
+			$web_root_path = $this->get_web_root_path();
+			if (substr($web_root_path, -8) === 'app.php/' && substr($path, 0, 7) === 'app.php')
+			{
+				$path = substr($path, 8);
+			}
+
+			return $this->filesystem->clean_path($web_root_path . $path);
 		}
 
 		return $path;
@@ -170,6 +182,34 @@ class path_helper
 			return $this->web_root_path = $this->phpbb_root_path;
 		}
 
+		/*
+		* Check AJAX request:
+		* If the current request is a AJAX we need to fix the paths.
+		* We need to get the root path based on the Referer, so we can use
+		* the generated URLs in the template of the Referer. If we do not
+		* generate the relative path based on the Referer, but based on the
+		* currently requested URL, the generated URLs will not point to the
+		* intended locations:
+		*	Referer				desired URL			desired relative root path
+		*	memberlist.php		faq.php				./
+		*	memberlist.php		app.php/foo/bar		./
+		*	app.php/foo			memberlist.php		../
+		*	app.php/foo			app.php/fox			../
+		*	app.php/foo/bar		memberlist.php		../../
+		*	../page.php			memberlist.php		./phpBB/
+		*	../sub/page.php		memberlist.php		./../phpBB/
+		*
+		* The referer must be specified as a parameter in the query.
+		*/
+		if ($this->request->is_ajax() && $this->symfony_request->get('_referer'))
+		{
+			$referer_web_root_path = $this->get_web_root_path_from_ajax_referer(
+				$this->symfony_request->get('_referer'),
+				$this->symfony_request->getSchemeAndHttpHost() . $this->symfony_request->getBasePath()
+			);
+			return $this->web_root_path = $this->phpbb_root_path . $referer_web_root_path;
+		}
+
 		// How many corrections might we need?
 		$corrections = substr_count($path_info, '/');
 
@@ -191,6 +231,65 @@ class path_helper
 	}
 
 	/**
+	* Get the web root path of the referer form an ajax request
+	*
+	* @param string $absolute_referer_url
+	* @param string $absolute_board_url
+	* @return string
+	*/
+	public function get_web_root_path_from_ajax_referer($absolute_referer_url, $absolute_board_url)
+	{
+		// If the board URL is in the beginning of the referer, this means
+		// we the referer is in the board URL or a subdirectory of it.
+		// So we just need to count the / (slashes) in the left over part of
+		// the referer and prepend ../ the the current root_path, to get the
+		// web root path of the referer.
+		if (strpos($absolute_referer_url, $absolute_board_url) === 0)
+		{
+			$relative_referer_path = substr($absolute_referer_url, strlen($absolute_board_url));
+			$has_params = strpos($relative_referer_path, '?');
+			if ($has_params !== false)
+			{
+				$relative_referer_path = substr($relative_referer_path, 0, $has_params);
+			}
+			$corrections = substr_count($relative_referer_path, '/');
+			return $this->phpbb_root_path . str_repeat('../', $corrections - 1);
+		}
+
+		// If not, it's a bit more complicated. We go to the parent directory
+		// of the referer until we find the remaining referer in the board URL.
+		// Foreach directory we need to add a ../ to the fixed root_path.
+		// When we finally found it, we need to remove the remaining referer
+		// from the board URL, to get the boards root path.
+		// If the then append these two strings, we get our fixed web root path.
+		$fixed_root_path = '';
+		$referer_dir = $absolute_referer_url;
+		$has_params = strpos($referer_dir, '?');
+		if ($has_params !== false)
+		{
+			$referer_dir = substr($referer_dir, 0, $has_params);
+		}
+
+		// If we do not find a slash at the end of the referer, we come
+		// from a file. So the first dirname() does not need a traversal
+		// path correction.
+		if (substr($referer_dir, -1) !== '/')
+		{
+			$referer_dir = dirname($referer_dir);
+		}
+
+		while (strpos($absolute_board_url, $referer_dir) !== 0)
+		{
+			$fixed_root_path .= '../';
+			$referer_dir = dirname($referer_dir);
+		}
+
+		$fixed_root_path .= substr($absolute_board_url, strlen($referer_dir) + 1);
+		// Add trailing slash
+		return $this->phpbb_root_path . $fixed_root_path . '/';
+	}
+
+	/**
 	* Eliminates useless . and .. components from specified URL
 	*
 	* @param string $url URL to clean