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<?php |
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namespace Source\Core; |
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use Source\Core\Redis; |
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class Token |
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{ |
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private $token; |
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private $timeout; |
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private $error; |
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private $Redis; |
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public function __construct(int $timeout = 1 * 60 * 60) |
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{ |
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$this->timeout = $timeout; |
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$this->Redis = (new Redis())->getClient(); |
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} |
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/** |
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* @param string $jwt |
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* @param string $secret |
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* @return bool |
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*/ |
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public function validateToken(string $jwt, string $secret = CONF_JWT_SECRET): bool |
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{ |
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$tokenParts = explode('.', $jwt); |
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$payload = base64_decode($tokenParts[1]); |
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$signature = hash_hmac('sha256', base64UrlEncode(base64_decode($tokenParts[0])) . "." . base64UrlEncode($payload), $secret, true); |
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if (!(base64UrlEncode($signature) === $tokenParts[2])) { |
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$this->error = 'this token is invalid'; |
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return false; |
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} |
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if (!$this->Redis->get((json_decode($payload)->id . json_decode($payload)->expirationTime))) { |
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$this->error = 'please login first'; |
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return false; |
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} |
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if ((json_decode($payload)->expirationTime - (time()) <= 0) ? true : false) { |
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$this->error = 'token expired'; |
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$this->Redis->del((json_decode($payload)->id . json_decode($payload)->expirationTime)); |
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return false; |
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} |
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$this->token = $payload; |
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return true; |
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} |
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/** |
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* @param object $data |
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* @param array $context |
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* @param string $secret |
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* @return |
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*/ |
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public function generateNewToken(object $data, array $context = CONF_JWT_CONTEXT, string $secret = CONF_JWT_SECRET): string |
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{ |
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$data = array_merge((array) $data, [ |
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'expirationTime' => (time() + $this->timeout) |
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]); |
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$base64UrlHeader = base64UrlEncode(json_encode($context)); |
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$base64UrlPayload = base64UrlEncode(json_encode($data)); |
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$parsedPayload = "{$base64UrlHeader}.{$base64UrlPayload}"; |
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$token = "{$parsedPayload}." . base64UrlEncode(hash_hmac('sha256', $parsedPayload, $secret, true)); |
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$this->Redis->set($data['id'] . $data['expirationTime'], $token, 'EX', $this->timeout); |
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return $token; |
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} |
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public function getError(): string |
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{ |
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return $this->error; |
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} |
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public function getToken(): array |
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{ |
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return (array) json_decode($this->token); |
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} |
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} |
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MuriloChianfa /
Redstore-Microservice-Based
