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vendor/symfony/password-hasher/Hasher/SodiumPasswordHasher.php

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