<?php
declare(strict_types=1);
namespace ParagonIE\Halite;
use \ParagonIE\Halite\{
Alerts\InvalidMessage,
Symmetric\EncryptionKey,
Symmetric\Crypto
};
final class Cookie
{
protected $key;
public function __construct(EncryptionKey $key)
{
$this->key = $key;
}
/**
* Hide this from var_dump(), etc.
*
* @return array
*/
public function __debugInfo()
{
return [
'key' => 'private'
];
}
/**
* Store a value in an encrypted cookie
*
* @param string $name
* @return mixed (typically an array)
*/
public function fetch(string $name)
{
if (!isset($_COOKIE[$name])) {
return null;
}
try {
$decrypted = Crypto::decrypt($_COOKIE[$name], $this->key);
if (empty($decrypted)) {
return null;
}
return \json_decode($decrypted, true);
} catch (InvalidMessage $e) {
return null;
}
}
/**
* Store a value in an encrypted cookie
*
* @param string $name
* @param mixed $value
* @param int $expire (defaults to 0)
* @param string $path (defaults to '/')
* @param string $domain (defaults to NULL)
* @param bool $secure (defaults to TRUE)
* @param bool $httponly (defaults to TRUE)
* @return bool
*/
public function store(
string $name,
$value,
int $expire = 0,
string $path = '/',
$domain = null,
bool $secure = true,
bool $httponly = true
): bool {
return \setcookie(
$name,
Crypto::encrypt(
\json_encode($value),
$this->key
),
$expire,
$path,
$domain,
$secure,
$httponly
);
}
}
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