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|
<?php
/**
* Slim Framework (https://slimframework.com)
*
* @license https://github.com/slimphp/Slim/blob/3.x/LICENSE.md (MIT License)
*/
namespace Slim\Http;
use InvalidArgumentException;
use Slim\Interfaces\Http\CookiesInterface;
class Cookies implements CookiesInterface
{
/**
* Cookies from HTTP request
*
* @var array
*/
protected $requestCookies = [];
/**
* Cookies for HTTP response
*
* @var array
*/
protected $responseCookies = [];
/**
* Default cookie properties
*
* @var array
*/
protected $defaults = [
'value' => '',
'domain' => null,
'hostonly' => null,
'path' => null,
'expires' => null,
'secure' => false,
'httponly' => false,
'samesite' => null
];
/**
* @param array $cookies
*/
public function __construct(array $cookies = [])
{
$this->requestCookies = $cookies;
}
/**
* Set default cookie properties
*
* @param array $settings
*/
public function setDefaults(array $settings)
{
$this->defaults = array_replace($this->defaults, $settings);
}
/**
* {@inheritdoc}
*/
public function get($name, $default = null)
{
return isset($this->requestCookies[$name]) ? $this->requestCookies[$name] : $default;
}
/**
* {@inheritdoc}
*/
public function set($name, $value)
{
if (!is_array($value)) {
$value = ['value' => (string)$value];
}
$this->responseCookies[$name] = array_replace($this->defaults, $value);
}
/**
* {@inheritdoc}
*/
public function toHeaders()
{
$headers = [];
foreach ($this->responseCookies as $name => $properties) {
$headers[] = $this->toHeader($name, $properties);
}
return $headers;
}
/**
* Convert to `Set-Cookie` header
*
* @param string $name Cookie name
* @param array $properties Cookie properties
*
* @return string
*/
protected function toHeader($name, array $properties)
{
$result = urlencode($name) . '=' . urlencode($properties['value']);
if (isset($properties['domain'])) {
$result .= '; domain=' . $properties['domain'];
}
if (isset($properties['path'])) {
$result .= '; path=' . $properties['path'];
}
if (isset($properties['expires'])) {
if (is_string($properties['expires'])) {
$timestamp = strtotime($properties['expires']);
} else {
$timestamp = (int)$properties['expires'];
}
if ($timestamp !== 0) {
$result .= '; expires=' . gmdate('D, d-M-Y H:i:s e', $timestamp);
}
}
if (isset($properties['secure']) && $properties['secure']) {
$result .= '; secure';
}
if (isset($properties['hostonly']) && $properties['hostonly']) {
$result .= '; HostOnly';
}
if (isset($properties['httponly']) && $properties['httponly']) {
$result .= '; HttpOnly';
}
if (isset($properties['samesite'])
&& in_array(strtolower($properties['samesite']), ['lax', 'strict', 'none'], true)) {
// While strtolower is needed for correct comparison, the RFC doesn't care about case
$result .= '; SameSite=' . $properties['samesite'];
}
return $result;
}
/**
* {@inheritdoc}
*/
public static function parseHeader($header)
{
if (is_array($header) === true) {
$header = isset($header[0]) ? $header[0] : '';
}
if (is_string($header) === false) {
throw new InvalidArgumentException('Cannot parse Cookie data. Header value must be a string.');
}
$header = rtrim($header, "\r\n");
$pieces = preg_split('@[;]\s*@', $header);
$cookies = [];
foreach ($pieces as $cookie) {
$cookie = explode('=', $cookie, 2);
if (count($cookie) === 2) {
$key = urldecode($cookie[0]);
$value = urldecode($cookie[1]);
if (!isset($cookies[$key])) {
$cookies[$key] = $value;
}
}
}
return $cookies;
}
}
|
