121 lines
4.2 KiB
PHP
121 lines
4.2 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\PasswordHasherInterface;
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/**
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* Hashes passwords using password_hash().
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*
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* @author Elnur Abdurrakhimov <elnur@elnur.pro>
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* @author Terje Bråten <terje@braten.be>
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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final class NativePasswordHasher implements PasswordHasherInterface
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{
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use CheckPasswordLengthTrait;
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private $algorithm = \PASSWORD_BCRYPT;
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private $options;
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/**
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* @param string|null $algorithm An algorithm supported by password_hash() or null to use the best available algorithm
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*/
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public function __construct(int $opsLimit = null, int $memLimit = null, int $cost = null, string $algorithm = null)
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{
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$cost = $cost ?? 13;
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$opsLimit = $opsLimit ?? max(4, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE : 4);
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$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 > $opsLimit) {
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throw new \InvalidArgumentException('$opsLimit must be 3 or greater.');
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}
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if (10 * 1024 > $memLimit) {
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throw new \InvalidArgumentException('$memLimit must be 10k or greater.');
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}
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if ($cost < 4 || 31 < $cost) {
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throw new \InvalidArgumentException('$cost must be in the range of 4-31.');
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}
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if (null !== $algorithm) {
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$algorithms = [1 => \PASSWORD_BCRYPT, '2y' => \PASSWORD_BCRYPT];
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if (\defined('PASSWORD_ARGON2I')) {
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$algorithms[2] = $algorithms['argon2i'] = \PASSWORD_ARGON2I;
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}
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if (\defined('PASSWORD_ARGON2ID')) {
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$algorithms[3] = $algorithms['argon2id'] = \PASSWORD_ARGON2ID;
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}
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$this->algorithm = $algorithms[$algorithm] ?? $algorithm;
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}
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$this->options = [
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'cost' => $cost,
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'time_cost' => $opsLimit,
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'memory_cost' => $memLimit >> 10,
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'threads' => 1,
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];
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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 (\PASSWORD_BCRYPT === $this->algorithm && (72 < \strlen($plainPassword) || false !== strpos($plainPassword, "\0"))) {
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$plainPassword = base64_encode(hash('sha512', $plainPassword, true));
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}
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return password_hash($plainPassword, $this->algorithm, $this->options);
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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 || $this->isPasswordTooLong($plainPassword)) {
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return false;
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}
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if (0 !== strpos($hashedPassword, '$argon')) {
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// Bcrypt cuts on NUL chars and after 72 bytes
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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', $plainPassword, true));
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}
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return password_verify($plainPassword, $hashedPassword);
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}
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if (\extension_loaded('sodium') && version_compare(\SODIUM_LIBRARY_VERSION, '1.0.14', '>=')) {
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return sodium_crypto_pwhash_str_verify($hashedPassword, $plainPassword);
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}
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if (\extension_loaded('libsodium') && version_compare(phpversion('libsodium'), '1.0.14', '>=')) {
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return \Sodium\crypto_pwhash_str_verify($hashedPassword, $plainPassword);
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}
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return password_verify($plainPassword, $hashedPassword);
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}
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/**
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* {@inheritdoc}
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*/
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public function needsRehash(string $hashedPassword): bool
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{
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return password_needs_rehash($hashedPassword, $this->algorithm, $this->options);
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}
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}
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