Last active
June 7, 2022 05:44
-
-
Save chasecmiller/d0270b83a10414998a7866e90570c244 to your computer and use it in GitHub Desktop.
Laravel Rule encouraging Stanford's Password Policy
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
namespace App\Rules; | |
use Illuminate\Validation\Rules\Password as Rule; | |
/** | |
* A password rule for Laravel based on Stanford's best practices. | |
* https://uit.stanford.edu/service/accounts/passwords | |
* | |
* 8-11: mixed case letters, numbers, & symbols | |
* 12-15: mixed case letters & numbers | |
* 16-19: mixed case letters | |
* 20+: no restrictions | |
* | |
* It must not be equal to your current password, previous passwords, SUNet ID, or password reset answer | |
* It must not be a single word that appears in the dictionary (English or non-English) | |
* It must be composed only of characters in the Roman alphabet, numbers, or symbols on the US keyboard. Examples include characters such as # $ % ! @. | |
*/ | |
class Password extends Rule | |
{ | |
/** | |
* Create a new rule instance. | |
* | |
* @return void | |
*/ | |
public function __construct(int $min = 8) | |
{ | |
parent::__construct($min); | |
// | |
} | |
/** | |
* Determine if the validation rule passes. | |
* | |
* @param string $attribute | |
* @param mixed $value | |
* @return bool | |
*/ | |
public function passes($attribute, $value) | |
{ | |
$length = strlen($value); | |
/** | |
* No restrictions. | |
*/ | |
$this->mixedCase = false; | |
$this->letters = false; | |
$this->numbers = false; | |
$this->symbols = false; | |
$this->uncompromised = false; | |
if ($length < 20) { | |
$this->mixedCase = true; | |
} | |
if ($length < 16) { | |
$this->numbers = true; | |
} | |
if ($length < 11) { | |
$this->symbols = true; | |
} | |
return parent::passes($attribute, $value); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment