/**
* Get a relative root path from the current URL
*
* @return string
*/
public function get_web_root_path()
{
if ($this->symfony_request === null) {
return $this->phpbb_root_path;
}
if (null !== $this->web_root_path) {
return $this->web_root_path;
}
// We do not need to escape $path_info, $request_uri and $script_name because we can not find their content in the result.
// Path info (e.g. /foo/bar)
$path_info = $this->filesystem->clean_path($this->symfony_request->getPathInfo());
// Full request URI (e.g. phpBB/app.php/foo/bar)
$request_uri = $this->symfony_request->getRequestUri();
// Script name URI (e.g. phpBB/app.php)
$script_name = $this->symfony_request->getScriptName();
/*
* If the path info is empty but we're using app.php, then we
* might be using an empty route like app.php/ which is
* supported by symfony's routing
*/
if ($path_info === '/' && preg_match('/app\\.' . $this->php_ext . '\\/$/', $request_uri)) {
return $this->web_root_path = $this->filesystem->clean_path('./../' . $this->phpbb_root_path);
}
/*
* If the path info is empty (single /), then we're not using
* a route like app.php/foo/bar
*/
if ($path_info === '/') {
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')) {
// We need to escape $absolute_board_url because it can be partially concatenated to the result.
$absolute_board_url = $this->request->escape($this->symfony_request->getSchemeAndHttpHost() . $this->symfony_request->getBasePath(), true);
$referer_web_root_path = $this->get_web_root_path_from_ajax_referer($this->symfony_request->get('_referer'), $absolute_board_url);
return $this->web_root_path = $this->phpbb_root_path . $referer_web_root_path;
}
// How many corrections might we need?
$corrections = substr_count($path_info, '/');
/*
* If the script name (e.g. phpBB/app.php) does not exists in the
* requestUri (e.g. phpBB/app.php/foo/template), then we are rewriting
* the URL. So we must reduce the slash count by 1.
*/
if (strpos($request_uri, $script_name) !== 0) {
$corrections--;
}
// Prepend ../ to the phpbb_root_path as many times as / exists in path_info
$this->web_root_path = $this->filesystem->clean_path('./' . str_repeat('../', $corrections) . $this->phpbb_root_path);
return $this->web_root_path;
}