115 lines
4.1 KiB
PHP
115 lines
4.1 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\PasswordHasher\Hasher;
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use Symfony\Component\PasswordHasher\Exception\InvalidPasswordException;
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use Symfony\Component\PasswordHasher\Exception\LogicException;
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use Symfony\Component\PasswordHasher\PasswordHasherInterface;
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/**
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* Hashes passwords using libsodium.
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*
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* @author Robin Chalas <robin.chalas@gmail.com>
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* @author Zan Baldwin <hello@zanbaldwin.com>
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* @author Dominik Müller <dominik.mueller@jkweb.ch>
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*/
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final class SodiumPasswordHasher implements PasswordHasherInterface
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{
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use CheckPasswordLengthTrait;
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private $opsLimit;
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private $memLimit;
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public function __construct(int $opsLimit = null, int $memLimit = null)
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{
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if (!self::isSupported()) {
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throw new LogicException('Libsodium is not available. You should either install the sodium extension or use a different password hasher.');
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}
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$this->opsLimit = $opsLimit ?? max(4, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE : 4);
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$this->memLimit = $memLimit ?? max(64 * 1024 * 1024, \defined('SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE : 64 * 1024 * 1024);
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if (3 > $this->opsLimit) {
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throw new \InvalidArgumentException('$opsLimit must be 3 or greater.');
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}
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if (10 * 1024 > $this->memLimit) {
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throw new \InvalidArgumentException('$memLimit must be 10k or greater.');
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}
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}
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public static function isSupported(): bool
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{
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return version_compare(\extension_loaded('sodium') ? \SODIUM_LIBRARY_VERSION : phpversion('libsodium'), '1.0.14', '>=');
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}
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public function hash(string $plainPassword): string
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{
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if ($this->isPasswordTooLong($plainPassword)) {
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throw new InvalidPasswordException();
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}
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if (\function_exists('sodium_crypto_pwhash_str')) {
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return sodium_crypto_pwhash_str($plainPassword, $this->opsLimit, $this->memLimit);
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}
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if (\extension_loaded('libsodium')) {
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return \Sodium\crypto_pwhash_str($plainPassword, $this->opsLimit, $this->memLimit);
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}
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throw new LogicException('Libsodium is not available. You should either install the sodium extension or use a different password hasher.');
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}
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public function verify(string $hashedPassword, string $plainPassword): bool
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{
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if ('' === $plainPassword) {
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return false;
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}
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if ($this->isPasswordTooLong($plainPassword)) {
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return false;
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}
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if (0 !== strpos($hashedPassword, '$argon')) {
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if (0 === strpos($hashedPassword, '$2') && (72 < \strlen($plainPassword) || false !== strpos($plainPassword, "\0"))) {
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$plainPassword = base64_encode(hash('sha512', $plainPassword, true));
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}
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// Accept validating non-argon passwords for seamless migrations
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return password_verify($plainPassword, $hashedPassword);
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}
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if (\function_exists('sodium_crypto_pwhash_str_verify')) {
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return sodium_crypto_pwhash_str_verify($hashedPassword, $plainPassword);
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}
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if (\extension_loaded('libsodium')) {
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return \Sodium\crypto_pwhash_str_verify($hashedPassword, $plainPassword);
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}
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return false;
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}
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public function needsRehash(string $hashedPassword): bool
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{
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if (\function_exists('sodium_crypto_pwhash_str_needs_rehash')) {
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return sodium_crypto_pwhash_str_needs_rehash($hashedPassword, $this->opsLimit, $this->memLimit);
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}
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if (\extension_loaded('libsodium')) {
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return \Sodium\crypto_pwhash_str_needs_rehash($hashedPassword, $this->opsLimit, $this->memLimit);
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}
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throw new LogicException('Libsodium is not available. You should either install the sodium extension or use a different password hasher.');
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}
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}
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