<?php

namespace Illuminate\Hashing;

use Illuminate\Contracts\Hashing\Hasher as HasherContract;
use RuntimeException;

class BcryptHasher extends AbstractHasher implements HasherContract
{
    /**
     * The default cost factor.
     *
     * @var int
     */
    protected $rounds = 12;

    /**
     * Indicates whether to perform an algorithm check.
     *
     * @var bool
     */
    protected $verifyAlgorithm = false;

    /**
     * Create a new hasher instance.
     *
     * @param  array  $options
     * @return void
     */
    public function __construct(array $options = [])
    {
        $this->rounds = $options['rounds'] ?? $this->rounds;
        $this->verifyAlgorithm = $options['verify'] ?? $this->verifyAlgorithm;
    }

    /**
     * Hash the given value.
     *
     * @param  string  $value
     * @param  array  $options
     * @return string
     *
     * @throws \RuntimeException
     */
    public function make(#[\SensitiveParameter] $value, array $options = [])
    {
        $hash = password_hash($value, PASSWORD_BCRYPT, [
            'cost' => $this->cost($options),
        ]);

        if ($hash === false) {
            throw new RuntimeException('Bcrypt hashing not supported.');
        }

        return $hash;
    }

    /**
     * Check the given plain value against a hash.
     *
     * @param  string  $value
     * @param  string  $hashedValue
     * @param  array  $options
     * @return bool
     *
     * @throws \RuntimeException
     */
    public function check(#[\SensitiveParameter] $value, $hashedValue, array $options = [])
    {
        if (is_null($hashedValue) || strlen($hashedValue) === 0) {
            return false;
        }

        if ($this->verifyAlgorithm && ! $this->isUsingCorrectAlgorithm($hashedValue)) {
            throw new RuntimeException('This password does not use the Bcrypt algorithm.');
        }

        return parent::check($value, $hashedValue, $options);
    }

    /**
     * Check if the given hash has been hashed using the given options.
     *
     * @param  string  $hashedValue
     * @param  array  $options
     * @return bool
     */
    public function needsRehash($hashedValue, array $options = [])
    {
        return password_needs_rehash($hashedValue, PASSWORD_BCRYPT, [
            'cost' => $this->cost($options),
        ]);
    }

    /**
     * Verifies that the configuration is less than or equal to what is configured.
     *
     * @internal
     */
    public function verifyConfiguration($value)
    {
        return $this->isUsingCorrectAlgorithm($value) && $this->isUsingValidOptions($value);
    }

    /**
     * Verify the hashed value's algorithm.
     *
     * @param  string  $hashedValue
     * @return bool
     */
    protected function isUsingCorrectAlgorithm($hashedValue)
    {
        return $this->info($hashedValue)['algoName'] === 'bcrypt';
    }

    /**
     * Verify the hashed value's options.
     *
     * @param  string  $hashedValue
     * @return bool
     */
    protected function isUsingValidOptions($hashedValue)
    {
        ['options' => $options] = $this->info($hashedValue);

        if (! is_int($options['cost'] ?? null)) {
            return false;
        }

        if ($options['cost'] > $this->rounds) {
            return false;
        }

        return true;
    }

    /**
     * Set the default password work factor.
     *
     * @param  int  $rounds
     * @return $this
     */
    public function setRounds($rounds)
    {
        $this->rounds = (int) $rounds;

        return $this;
    }

    /**
     * Extract the cost value from the options array.
     *
     * @param  array  $options
     * @return int
     */
    protected function cost(array $options = [])
    {
        return $options['rounds'] ?? $this->rounds;
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox