diff options
Diffstat (limited to 'phpBB/phpbb/path_helper.php')
-rw-r--r-- | phpBB/phpbb/path_helper.php | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/phpBB/phpbb/path_helper.php b/phpBB/phpbb/path_helper.php index f6587fa101..cd4c20bb7d 100644 --- a/phpBB/phpbb/path_helper.php +++ b/phpBB/phpbb/path_helper.php @@ -207,4 +207,27 @@ class path_helper return generate_board_url() . $url; } + + /** + * Eliminates useless . and .. components from specified URL + * + * @param string $url URL to clean + * + * @return string Cleaned URL + */ + public function clean_url($url) + { + $delimiter_position = strpos($url, '://'); + // URL should contain :// but it shouldn't start with it. + // Do not clean URLs that do not fit these constraints. + if (empty($delimiter_position)) + { + return $url; + } + $scheme = substr($url, 0, $delimiter_position) . '://'; + // Add length of URL delimiter to position + $path = substr($url, $delimiter_position + 3); + + return $scheme . $this->filesystem->clean_path($path); + } } |