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<?php declare(strict_types=1); |
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namespace ncryptf; |
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use InvalidArgumentException; |
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final class Token |
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{ |
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/** |
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* The access token |
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* |
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* @var string |
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*/ |
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public $accessToken; |
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/** |
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* The refresh token |
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* |
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* @var string |
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*/ |
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public $refreshToken; |
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/** |
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* The 32 byte initial key material |
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* |
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* @var string |
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*/ |
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public $ikm; |
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/** |
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* The 32 byte signature string |
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* |
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* @var string |
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*/ |
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public $signature; |
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/** |
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* The token expiration time |
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* |
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* @var float |
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*/ |
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public $expiresAt; |
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/** |
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* Constructor |
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* |
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* @param string $accessToken The access token |
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* @param string $refreshToken The refresh token |
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* @param string $ikm 32 byte initial key material as a byte array |
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* @param string $signature 32 byte signature string as a byte array |
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* @param float $expiresAt The expiration time of the token |
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*/ |
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public function __construct(string $accessToken, string $refreshToken, string $ikm, string $signature, float $expiresAt) |
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{ |
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$this->accessToken = $accessToken; |
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$this->refreshToken = $refreshToken; |
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if (\strlen($ikm) !== 32) { |
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throw new InvalidArgumentException(sprintf("Initial key material should be %d bytes.", 32)); |
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} |
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$this->ikm = $ikm; |
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if (\strlen($signature) !== 64) { |
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throw new InvalidArgumentException(sprintf("Signature secret key should be %d bytes.", 64)); |
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} |
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$this->signature = $signature; |
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$this->expiresAt = $expiresAt; |
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} |
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/** |
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* Extracts the signature public key from the request |
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* @return string |
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*/ |
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public function getSignaturePublicKey() |
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{ |
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return sodium_crypto_sign_publickey_from_secretkey($this->signature); |
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} |
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/** |
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* Returns true if the token is expired |
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* |
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* @return boolean |
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*/ |
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public function isExpired() : bool |
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{ |
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return \time() > $this->expiresAt; |
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} |
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} |
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ncryptf /
ncryptf-php
