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<?php |
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namespace kalanis\kw_forms\Controls\Security\Csrf; |
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use ArrayAccess; |
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use kalanis\kw_forms\Interfaces\ICsrf; |
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/** |
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* Class Simple |
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* Secure forms by simple tokens |
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* @package kalanis\kw_forms\Controls\Security\Csrf |
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*/ |
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class Simple implements ICsrf |
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{ |
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protected ?ArrayAccess $session = null; |
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protected int $expire = 3600; |
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public function init(ArrayAccess &$session, int $expire = 3600): void |
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{ |
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$this->session = $session; |
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$this->expire = $expire; |
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} |
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public function removeToken(string $codeName): void |
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{ |
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if ($this->getSession()->offsetExists($codeName)) { |
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$this->getSession()->offsetUnset($codeName); |
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} |
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} |
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public function getToken(string $codeName): string |
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{ |
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if (!$this->getSession()->offsetExists($codeName)) { |
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$this->getSession()->offsetSet($codeName, uniqid('csrf', true)); |
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$this->getSession()->offsetSet($codeName . '_timer', time() + $this->expire); |
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} |
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return strval($this->getSession()->offsetGet($codeName)); |
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} |
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public function getExpire(): int |
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{ |
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return $this->expire; |
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} |
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public function checkToken(string $token, string $codeName): bool |
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{ |
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return $this->getSession()->offsetExists($codeName) |
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&& $this->getSession()->offsetExists($codeName . '_timer') |
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&& $this->getSession()->offsetGet($codeName) == $token |
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&& $this->getSession()->offsetGet($codeName . '_timer') > time() |
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; |
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} |
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protected function getSession(): ArrayAccess |
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{ |
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if (!empty($this->session)) { |
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return $this->session; |
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} |
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// @codeCoverageIgnoreStart |
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// you need to whant session before call that sets the control |
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throw new \LogicException('Set the session first!'); |
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// @codeCoverageIgnoreEnd |
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} |
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} |
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alex-kalanis /
kw_forms
