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<?php
namespace Illuminate\Hashing;
use Illuminate\Contracts\Hashing\Hasher as HasherContract;
use RuntimeException;
class ArgonHasher extends AbstractHasher implements HasherContract
{
/**
* The default memory cost factor.
*
* @var int
*/
protected $memory = 1024;
/**
* The default time cost factor.
*
* @var int
*/
protected $time = 2;
/**
* The default threads factor.
*
* @var int
*/
protected $threads = 2;
/**
* 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->time = $options['time'] ?? $this->time;
$this->memory = $options['memory'] ?? $this->memory;
$this->threads = $this->threads($options);
$this->verifyAlgorithm = $options['verify'] ?? $this->verifyAlgorithm;
}
/**
* Hash the given value.
*
* @param string $value
* @param array $options
* @return string
*
* @throws \RuntimeException
*/
public function make($value, array $options = [])
{
$hash = @password_hash($value, $this->algorithm(), [
'memory_cost' => $this->memory($options),
'time_cost' => $this->time($options),
'threads' => $this->threads($options),
]);
if (! is_string($hash)) {
throw new RuntimeException('Argon2 hashing not supported.');
}
return $hash;
}
/**
* Get the algorithm that should be used for hashing.
*
* @return int
*/
protected function algorithm()
{
return PASSWORD_ARGON2I;
}
/**
* Check the given plain value against a hash.
*
* @param string $value
* @param string $hashedValue
* @param array $options
* @return bool
*
* @throws \RuntimeException
*/
public function check($value, $hashedValue, array $options = [])
{
if ($this->verifyAlgorithm && $this->info($hashedValue)['algoName'] !== 'argon2i') {
throw new RuntimeException('This password does not use the Argon2i 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, $this->algorithm(), [
'memory_cost' => $this->memory($options),
'time_cost' => $this->time($options),
'threads' => $this->threads($options),
]);
}
/**
* Set the default password memory factor.
*
* @param int $memory
* @return $this
*/
public function setMemory(int $memory)
{
$this->memory = $memory;
return $this;
}
/**
* Set the default password timing factor.
*
* @param int $time
* @return $this
*/
public function setTime(int $time)
{
$this->time = $time;
return $this;
}
/**
* Set the default password threads factor.
*
* @param int $threads
* @return $this
*/
public function setThreads(int $threads)
{
$this->threads = $threads;
return $this;
}
/**
* Extract the memory cost value from the options array.
*
* @param array $options
* @return int
*/
protected function memory(array $options)
{
return $options['memory'] ?? $this->memory;
}
/**
* Extract the time cost value from the options array.
*
* @param array $options
* @return int
*/
protected function time(array $options)
{
return $options['time'] ?? $this->time;
}
/**
* Extract the thread's value from the options array.
*
* @param array $options
* @return int
*/
protected function threads(array $options)
{
if (defined('PASSWORD_ARGON2_PROVIDER') && PASSWORD_ARGON2_PROVIDER === 'sodium') {
return 1;
}
return $options['threads'] ?? $this->threads;
}
}
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