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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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use kalanis\kw_forms\JWT\Token; |
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/** |
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* Class JWT |
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* Secure forms by JWT token |
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* @package kalanis\kw_forms\Controls\Security\Csrf |
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* @codeCoverageIgnore dependent on remote library |
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*/ |
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class JWT implements ICsrf |
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{ |
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protected string $sessionToken = ''; |
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protected int $expire = 3600; |
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/** @var array<string, string> Token cache */ |
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protected array $tokens = []; |
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public function init(ArrayAccess &$cookie, int $expire = 3600): void |
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{ |
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if (empty($cookie['csrf_token'])) { |
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$cookie['csrf_token'] = uniqid('csrf', true); |
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} |
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$this->sessionToken = strval($cookie['csrf_token']); |
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$this->expire = $expire; |
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} |
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public function removeToken(string $codeName): void |
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{ |
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unset($this->tokens[$codeName]); |
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} |
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public function getToken(string $codeName): string |
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{ |
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if (!isset($this->tokens[$codeName])) { |
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$this->tokens[$codeName] = Token::getJWTToken(['nam' => $codeName, 'ses' => $this->sessionToken], $this->expire); |
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} |
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return $this->tokens[$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 $codeName): bool |
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{ |
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$data = Token::decodeJWTToken($token); |
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return isset($data['nam']) && isset($data['ses']) && |
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($data['nam'] == $codeName) && |
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($data['ses'] == $this->sessionToken); |
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} |
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} |
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alex-kalanis /
kw_forms
