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<?php |
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/** |
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org) |
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org) |
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* |
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* Licensed under The MIT License |
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* For full copyright and license information, please see the LICENSE.txt |
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* Redistributions of files must retain the above copyright notice. |
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* |
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org) |
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* @link http://cakephp.org CakePHP(tm) Project |
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* @license http://www.opensource.org/licenses/mit-license.php MIT License |
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*/ |
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declare(strict_types=1); |
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namespace Phauthentic\PasswordHasher; |
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use InvalidArgumentException; |
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/** |
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* Abstract password hashing class |
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*/ |
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abstract class AbstractPasswordHasher implements PasswordHasherInterface |
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{ |
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public const SALT_BEFORE = 'before'; |
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public const SALT_AFTER = 'after'; |
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/** |
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* Salt |
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* |
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* @return void |
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*/ |
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protected $salt = ''; |
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/** |
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* Position of the salt |
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* |
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* @var string |
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*/ |
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protected $saltPosition; |
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/** |
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* Sets the salt if any was used |
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* |
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* @return $this |
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*/ |
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public function setSalt(string $salt, string $position = self::SALT_AFTER): self |
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{ |
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$this->checkSaltPositionArgument($position); |
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$this->salt = $salt; |
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$this->saltPosition = $position; |
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return $this; |
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} |
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/** |
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* Checks the salt position argument |
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* |
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* @return void |
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*/ |
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protected function checkSaltPositionArgument($position): void |
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{ |
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if (!in_array($position, [self::SALT_BEFORE, self::SALT_AFTER])) { |
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throw new InvalidArgumentException(sprintf( |
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'`%s` is an invalud argument, it has to be `` or ``', |
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$position, |
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self::SALT_BEFORE, |
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self::SALT_AFTER |
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)); |
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} |
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} |
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/** |
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* Adds the salt to a password |
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* |
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* @param string $password Password to salt |
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* @return string Salted password |
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*/ |
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protected function saltPassword(string $password): string |
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{ |
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if (empty($this->salt)) { |
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return $password; |
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} |
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if ($this->saltPosition === self::SALT_BEFORE) { |
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return $this->salt . $password; |
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} |
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return $password . $this->salt; |
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} |
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/** |
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* Returns true if the password need to be rehashed, due to the password being |
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* created with anything else than the passwords generated by this class. |
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* |
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* Returns true by default since the only implementation users should rely |
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* on is the one provided by default in php 5.5+ or any compatible library |
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* |
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* @param string $password The password to verify |
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* @return bool |
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*/ |
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public function needsRehash(string $password): bool |
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{ |
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return password_needs_rehash($password, PASSWORD_DEFAULT); |
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} |
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} |
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Phauthentic /
password-hashers
