mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
8dd644d25d
Namespace all templates Move difflib and BBCodeParser2 to thirdparty Remove deprecated API marked for removal in 4.0
33 lines
1.1 KiB
PHP
33 lines
1.1 KiB
PHP
<?php
|
|
|
|
namespace SilverStripe\Security;
|
|
|
|
/**
|
|
* Legacy implementation for SilverStripe 2.1 - 2.3,
|
|
* which had a design flaw in password hashing that caused
|
|
* the hashes to differ between architectures due to
|
|
* floating point precision problems in base_convert().
|
|
* See http://open.silverstripe.org/ticket/3004
|
|
*/
|
|
class PasswordEncryptor_LegacyPHPHash extends PasswordEncryptor_PHPHash
|
|
{
|
|
public function encrypt($password, $salt = null, $member = null)
|
|
{
|
|
$password = parent::encrypt($password, $salt, $member);
|
|
|
|
// Legacy fix: This shortening logic is producing unpredictable results.
|
|
//
|
|
// Convert the base of the hexadecimal password to 36 to make it shorter
|
|
// In that way we can store also a SHA256 encrypted password in just 64
|
|
// letters.
|
|
return substr(base_convert($password, 16, 36), 0, 64);
|
|
}
|
|
|
|
public function check($hash, $password, $salt = null, $member = null)
|
|
{
|
|
// Due to flawed base_convert() floating poing precision,
|
|
// only the first 10 characters are consistently useful for comparisons.
|
|
return (substr($hash, 0, 10) === substr($this->encrypt($password, $salt, $member), 0, 10));
|
|
}
|
|
}
|