<?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\HttpFoundation;
/**
* Represents a cookie.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class Cookie
{
public const SAMESITE_NONE = 'none';
public const SAMESITE_LAX = 'lax';
public const SAMESITE_STRICT = 'strict';
protected $name;
protected $value;
protected $domain;
protected $expire;
protected $path;
protected $secure;
protected $httpOnly;
private bool $raw;
private ?string $sameSite = null;
private bool $secureDefault = false;
private const RESERVED_CHARS_LIST = "=,; \t\r\n\v\f";
private const RESERVED_CHARS_FROM = ['=', ',', ';', ' ', "\t", "\r", "\n", "\v", "\f"];
private const RESERVED_CHARS_TO = ['%3D', '%2C', '%3B', '%20', '%09', '%0D', '%0A', '%0B', '%0C'];
/**
* Creates cookie from raw header string.
*/
public static function fromString(string $cookie, bool $decode = false): static
{
$data = [
'expires' => 0,
'path' => '/',
'domain' => null,
'secure' => false,
'httponly' => false,
'raw' => !$decode,
'samesite' => null,
];
$parts = HeaderUtils::split($cookie, ';=');
$part = array_shift($parts);
$name = $decode ? urldecode($part[0]) : $part[0];
$value = isset($part[1]) ? ($decode ? urldecode($part[1]) : $part[1]) : null;
$data = HeaderUtils::combine($parts) + $data;
$data['expires'] = self::expiresTimestamp($data['expires']);
if (isset($data['max-age']) && ($data['max-age'] > 0 || $data['expires'] > time())) {
$data['expires'] = time() + (int) $data['max-age'];
}
return new static($name, $value, $data['expires'], $data['path'], $data['domain'], $data['secure'], $data['httponly'], $data['raw'], $data['samesite']);
}
public static function create(string $name, string $value = null, int|string|\DateTimeInterface $expire = 0, ?string $path = '/', string $domain = null, bool $secure = null, bool $httpOnly = true, bool $raw = false, ?string $sameSite = self::SAMESITE_LAX): self
{
return new self($name, $value, $expire, $path, $domain, $secure, $httpOnly, $raw, $sameSite);
}
/**
* @param string $name The name of the cookie
* @param string|null $value The value of the cookie
* @param int|string|\DateTimeInterface $expire The time the cookie expires
* @param string $path The path on the server in which the cookie will be available on
* @param string|null $domain The domain that the cookie is available to
* @param bool|null $secure Whether the client should send back the cookie only over HTTPS or null to auto-enable this when the request is already using HTTPS
* @param bool $httpOnly Whether the cookie will be made accessible only through the HTTP protocol
* @param bool $raw Whether the cookie value should be sent with no url encoding
* @param string|null $sameSite Whether the cookie will be available for cross-site requests
*
* @throws \InvalidArgumentException
*/
public function __construct(string $name, string $value = null, int|string|\DateTimeInterface $expire = 0, ?string $path = '/', string $domain = null, bool $secure = null, bool $httpOnly = true, bool $raw = false, ?string $sameSite = 'lax')
{
// from PHP source code
if ($raw && false !== strpbrk($name, self::RESERVED_CHARS_LIST)) {
throw new \InvalidArgumentException(sprintf('The cookie name "%s" contains invalid characters.', $name));
}
if (empty($name)) {
throw new \InvalidArgumentException('The cookie name cannot be empty.');
}
$this->name = $name;
$this->value = $value;
$this->domain = $domain;
$this->expire = self::expiresTimestamp($expire);
$this->path = empty($path) ? '/' : $path;
$this->secure = $secure;
$this->httpOnly = $httpOnly;
$this->raw = $raw;
$this->sameSite = $this->withSameSite($sameSite)->sameSite;
}
/**
* Creates a cookie copy with a new value.
*/
public function withValue(?string $value): static
{
$cookie = clone $this;
$cookie->value = $value;
return $cookie;
}
/**
* Creates a cookie copy with a new domain that the cookie is available to.
*/
public function withDomain(?string $domain): static
{
$cookie = clone $this;
$cookie->domain = $domain;
return $cookie;
}
/**
* Creates a cookie copy with a new time the cookie expires.
*/
public function withExpires(int|string|\DateTimeInterface $expire = 0): static
{
$cookie = clone $this;
$cookie->expire = self::expiresTimestamp($expire);
return $cookie;
}
/**
* Converts expires formats to a unix timestamp.
*/
private static function expiresTimestamp(int|string|\DateTimeInterface $expire = 0): int
{
// convert expiration time to a Unix timestamp
if ($expire instanceof \DateTimeInterface) {
$expire = $expire->format('U');
} elseif (!is_numeric($expire)) {
$expire = strtotime($expire);
if (false === $expire) {
throw new \InvalidArgumentException('The cookie expiration time is not valid.');
}
}
return 0 < $expire ? (int) $expire : 0;
}
/**
* Creates a cookie copy with a new path on the server in which the cookie will be available on.
*/
public function withPath(string $path): static
{
$cookie = clone $this;
$cookie->path = '' === $path ? '/' : $path;
return $cookie;
}
/**
* Creates a cookie copy that only be transmitted over a secure HTTPS connection from the client.
*/
public function withSecure(bool $secure = true): static
{
$cookie = clone $this;
$cookie->secure = $secure;
return $cookie;
}
/**
* Creates a cookie copy that be accessible only through the HTTP protocol.
*/
public function withHttpOnly(bool $httpOnly = true): static
{
$cookie = clone $this;
$cookie->httpOnly = $httpOnly;
return $cookie;
}
/**
* Creates a cookie copy that uses no url encoding.
*/
public function withRaw(bool $raw = true): static
{
if ($raw && false !== strpbrk($this->name, self::RESERVED_CHARS_LIST)) {
throw new \InvalidArgumentException(sprintf('The cookie name "%s" contains invalid characters.', $this->name));
}
$cookie = clone $this;
$cookie->raw = $raw;
return $cookie;
}
/**
* Creates a cookie copy with SameSite attribute.
*/
public function withSameSite(?string $sameSite): static
{
if ('' === $sameSite) {
$sameSite = null;
} elseif (null !== $sameSite) {
$sameSite = strtolower($sameSite);
}
if (!\in_array($sameSite, [self::SAMESITE_LAX, self::SAMESITE_STRICT, self::SAMESITE_NONE, null], true)) {
throw new \InvalidArgumentException('The "sameSite" parameter value is not valid.');
}
$cookie = clone $this;
$cookie->sameSite = $sameSite;
return $cookie;
}
/**
* Returns the cookie as a string.
*/
public function __toString(): string
{
if ($this->isRaw()) {
$str = $this->getName();
} else {
$str = str_replace(self::RESERVED_CHARS_FROM, self::RESERVED_CHARS_TO, $this->getName());
}
$str .= '=';
if ('' === (string) $this->getValue()) {
$str .= 'deleted; expires='.gmdate('D, d-M-Y H:i:s T', time() - 31536001).'; Max-Age=0';
} else {
$str .= $this->isRaw() ? $this->getValue() : rawurlencode($this->getValue());
if (0 !== $this->getExpiresTime()) {
$str .= '; expires='.gmdate('D, d-M-Y H:i:s T', $this->getExpiresTime()).'; Max-Age='.$this->getMaxAge();
}
}
if ($this->getPath()) {
$str .= '; path='.$this->getPath();
}
if ($this->getDomain()) {
$str .= '; domain='.$this->getDomain();
}
if (true === $this->isSecure()) {
$str .= '; secure';
}
if (true === $this->isHttpOnly()) {
$str .= '; httponly';
}
if (null !== $this->getSameSite()) {
$str .= '; samesite='.$this->getSameSite();
}
return $str;
}
/**
* Gets the name of the cookie.
*/
public function getName(): string
{
return $this->name;
}
/**
* Gets the value of the cookie.
*/
public function getValue(): ?string
{
return $this->value;
}
/**
* Gets the domain that the cookie is available to.
*/
public function getDomain(): ?string
{
return $this->domain;
}
/**
* Gets the time the cookie expires.
*/
public function getExpiresTime(): int
{
return $this->expire;
}
/**
* Gets the max-age attribute.
*/
public function getMaxAge(): int
{
$maxAge = $this->expire - time();
return 0 >= $maxAge ? 0 : $maxAge;
}
/**
* Gets the path on the server in which the cookie will be available on.
*/
public function getPath(): string
{
return $this->path;
}
/**
* Checks whether the cookie should only be transmitted over a secure HTTPS connection from the client.
*/
public function isSecure(): bool
{
return $this->secure ?? $this->secureDefault;
}
/**
* Checks whether the cookie will be made accessible only through the HTTP protocol.
*/
public function isHttpOnly(): bool
{
return $this->httpOnly;
}
/**
* Whether this cookie is about to be cleared.
*/
public function isCleared(): bool
{
return 0 !== $this->expire && $this->expire < time();
}
/**
* Checks if the cookie value should be sent with no url encoding.
*/
public function isRaw(): bool
{
return $this->raw;
}
/**
* Gets the SameSite attribute.
*/
public function getSameSite(): ?string
{
return $this->sameSite;
}
/**
* @param bool $default The default value of the "secure" flag when it is set to null
*/
public function setSecureDefault(bool $default): void
{
$this->secureDefault = $default;
}
}
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FAQ Section
Frequently Asked Questions About NFC Pay
Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.
How do I register for NFC Pay?
Download the app and sign up using your email or phone number, then complete the verification process.
Is my payment information secure?
Yes, we use advanced encryption and security protocols to protect your payment details.
Can I add multiple cards to my NFC Pay wallet?
Absolutely, you can link multiple debit or credit cards to your wallet.
How do I transfer money to another user?
Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.
What should I do if I forget my PIN?
Use the “Forgot PIN” feature in the app to reset it following the provided instructions.
How can I activate my merchant account?
Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.
Can I track my payment status?
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In the digital age, privacy concerns have become increasingly paramount, prompting the European Union to enact the General Data Protection Regulation (GDPR) in 2018. Among its many provisions, GDPR sets strict guidelines for the collection and processing of personal data, including the use of cookies on websites. Privacy Policy
