diff options
| -rw-r--r-- | phpBB/phpbb/avatar/driver/remote.php | 7 | ||||
| -rw-r--r-- | phpBB/phpbb/avatar/driver/upload.php | 10 | ||||
| -rw-r--r-- | tests/avatar/manager_test.php | 55 |
3 files changed, 70 insertions, 2 deletions
diff --git a/phpBB/phpbb/avatar/driver/remote.php b/phpBB/phpbb/avatar/driver/remote.php index bec54897b2..2811cc2389 100644 --- a/phpBB/phpbb/avatar/driver/remote.php +++ b/phpBB/phpbb/avatar/driver/remote.php @@ -85,8 +85,11 @@ class remote extends \phpbb\avatar\driver\driver } // Check if this url looks alright - // This isn't perfect, but it's what phpBB 3.0 did, and might as well make sure everything is compatible - if (!preg_match('#^(http|https|ftp)://(?:(.*?\.)*?[a-z0-9\-]+?\.[a-z]{2,4}|(?:\d{1,3}\.){3,5}\d{1,3}):?([0-9]*?).*?\.('. implode('|', $this->allowed_extensions) . ')$#i', $url)) + // Do not allow specifying the port (see RFC 3986) or IP addresses + if (!preg_match('#^(http|https|ftp)://(?:(.*?\.)*?[a-z0-9\-]+?\.[a-z]{2,4}|(?:\d{1,3}\.){3,5}\d{1,3}):?([0-9]*?).*?\.('. implode('|', $this->allowed_extensions) . ')$#i', $url) || + preg_match('@^(http|https|ftp)://[^/:?#]+:[0-9]+[/:?#]@i', $url) || + preg_match('#^(http|https|ftp)://(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])#i', $url) || + preg_match('#^(http|https|ftp)://(?:(?:(?:[\dA-F]{1,4}:){6}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:::(?:[\dA-F]{1,4}:){0,5}(?:[\dA-F]{1,4}(?::[\dA-F]{1,4})?|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:):(?:[\dA-F]{1,4}:){4}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,2}:(?:[\dA-F]{1,4}:){3}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,3}:(?:[\dA-F]{1,4}:){2}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,4}:(?:[\dA-F]{1,4}:)(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,5}:(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,6}:[\dA-F]{1,4})|(?:(?:[\dA-F]{1,4}:){1,7}:)|(?:::))#i', $url)) { $error[] = 'AVATAR_URL_INVALID'; return false; diff --git a/phpBB/phpbb/avatar/driver/upload.php b/phpBB/phpbb/avatar/driver/upload.php index cb8dfcad4f..0dae5607f6 100644 --- a/phpBB/phpbb/avatar/driver/upload.php +++ b/phpBB/phpbb/avatar/driver/upload.php @@ -134,6 +134,16 @@ class upload extends \phpbb\avatar\driver\driver return false; } + // Do not allow specifying the port (see RFC 3986) or IP addresses + // remote_upload() will do its own check for allowed filetypes + if (preg_match('@^(http|https|ftp)://[^/:?#]+:[0-9]+[/:?#]@i', $url) || + preg_match('#^(http|https|ftp)://(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])#i', $url) || + preg_match('#^(http|https|ftp)://(?:(?:(?:[\dA-F]{1,4}:){6}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:::(?:[\dA-F]{1,4}:){0,5}(?:[\dA-F]{1,4}(?::[\dA-F]{1,4})?|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:):(?:[\dA-F]{1,4}:){4}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,2}:(?:[\dA-F]{1,4}:){3}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,3}:(?:[\dA-F]{1,4}:){2}(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,4}:(?:[\dA-F]{1,4}:)(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,5}:(?:[\dA-F]{1,4}:[\dA-F]{1,4}|(?:(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.){3}(?:\d{1,2}|1\d\d|2[0-4]\d|25[0-5])))|(?:(?:[\dA-F]{1,4}:){1,6}:[\dA-F]{1,4})|(?:(?:[\dA-F]{1,4}:){1,7}:)|(?:::))#i', $url)) + { + $error[] = 'AVATAR_URL_INVALID'; + return false; + } + $file = $upload->remote_upload($url, $this->mimetype_guesser); } else diff --git a/tests/avatar/manager_test.php b/tests/avatar/manager_test.php index 344eef38ff..802e71939d 100644 --- a/tests/avatar/manager_test.php +++ b/tests/avatar/manager_test.php @@ -372,4 +372,59 @@ class phpbb_avatar_manager_test extends \phpbb_database_test_case 'avatar_height' => 0, ), $row); } + + public function data_remote_avatar_url() + { + return array( + array('127.0.0.1:91?foo.jpg', 80, 80, array('AVATAR_URL_INVALID')), + array(gethostbyname('secure.gravatar.com') . '/avatar/55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), + array('secure.gravatar.com/avatar/55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80), + array(gethostbyname('secure.gravatar.com') . ':120/avatar/55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), + array('secure.gravatar.com:80/avatar/55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), + array('secure.gravatar.com:80?55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), + array('secure.gravatar.com?55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), // should be a 404 + array('2001:db8:0:0:0:0:2:1/avatar/55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), + array('secure.gravatar.com/2001:db8:0:0:0:0:2:1/avatar/55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), + array('secure.gravatar.com/127.0.0.1:80/avatar/55502f40dc8b7c769880b10874abc9d0.jpg', 80, 80, array('AVATAR_URL_INVALID')), + ); + } + + /** + * @dataProvider data_remote_avatar_url + */ + public function test_remote_avatar_url($url, $width, $height, $expected_error = array()) + { + global $phpbb_root_path, $phpEx; + + if (!function_exists('get_preg_expression')) + { + require($phpbb_root_path . 'includes/functions.' . $phpEx); + } + + $this->config['server_name'] = 'foobar.com'; + + /** @var \phpbb\avatar\driver\remote $remote_avatar */ + $remote_avatar = $this->manager->get_driver('avatar.driver.remote', false); + + $request = new phpbb_mock_request(array(), array( + 'avatar_remote_url' => $url, + 'avatar_remote_width' => $width, + 'avatar_remote_height' => $height, + )); + + $user = new \phpbb\user('\phpbb\datetime'); + $row = array(); + $error = array(); + + $return = $remote_avatar->process_form($request, null, $user, $row, $error); + if (count($expected_error) > 0) + { + $this->assertFalse($return); + } + else + { + $this->assertNotEquals(false, $return); + } + $this->assertSame($expected_error, $error); + } } |