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<?php |
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declare(strict_types=1); |
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namespace Soluble\Wallit\Service; |
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use Soluble\Wallit\Exception; |
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use Lcobucci\JWT\Builder; |
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use Lcobucci\JWT\Token; |
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use Lcobucci\JWT\Signer; |
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use Lcobucci\JWT\Parser; |
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class JwtService |
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{ |
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/** |
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* @var Signer |
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*/ |
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protected $signer; |
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/** |
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* @var Parser |
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*/ |
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protected $tokenParser; |
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/** |
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* @var string |
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*/ |
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protected $verificationKey; |
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/** |
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* @var string|null |
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*/ |
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protected $publicKey; |
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/** |
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* @var int |
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*/ |
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protected $expiration; |
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/** |
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* JwtService constructor. |
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* |
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* @param Signer $signer |
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* @param string $verificationKey |
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* @param string $publicKey Only needed for asymmetric support |
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*/ |
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public function __construct(Signer $signer, string $verificationKey, string $publicKey = null) |
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{ |
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if (trim($verificationKey) === '') { |
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throw new \InvalidArgumentException('Private key key cannot be empty'); |
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} |
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if ($publicKey !== null && trim($publicKey) === '') { |
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throw new \InvalidArgumentException('If public key is provided it cannot be empty'); |
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} |
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$this->signer = $signer; |
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$this->verificationKey = $verificationKey; |
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$this->publicKey = $publicKey; |
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$this->expiration = time() + 3600; |
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} |
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/** |
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* Create new signed token. |
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* |
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* @param array $claims |
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* @param int $expiration |
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* |
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* @return Token |
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*/ |
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public function createToken(array $claims = [], int $expiration = null): Token |
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{ |
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if ($expiration === null) { |
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$expiration = $this->expiration; |
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} |
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$jwtBuilder = new Builder(); |
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foreach ($claims as $key => $value) { |
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$jwtBuilder->set($key, $value); |
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} |
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$jwtBuilder->setIssuedAt(time()) // Configures the time that the token was issue (iat claim) |
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->setExpiration($expiration); // Configures the expiration time of the token (nbf claim) |
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/* |
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->setIssuer('http://example.com') // Configures the issuer (iss claim) |
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->setAudience('http://example.org') // Configures the audience (aud claim) |
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->setNotBefore(time() + 60) // Configures the time that the token can be used (nbf claim) |
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->setId('4f1g23a12aa', true) // Configures the id (jti claim), replicating as a header item |
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//$jwtBuilder->set('uid', 1); // Configures a new claim, called "uid" |
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*/ |
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// This will change with lcobucci v4 |
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$jwtBuilder->sign($this->signer, $this->verificationKey); |
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return $jwtBuilder->getToken(); |
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} |
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/** |
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* Parse a token string into a JWT\Token. |
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* |
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* @throws Exception\InvalidTokenException |
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* |
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* @param string $tokenString |
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* |
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* @return Token |
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*/ |
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public function parsePlainToken(string $tokenString): Token |
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{ |
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$tokenParser = new Parser(); |
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try { |
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$token = $tokenParser->parse($tokenString); |
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} catch (\Throwable $invalidToken) { |
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throw new Exception\InvalidTokenException('Cannot parse the JWT token', 1, $invalidToken); |
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} |
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/* |
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if (!$token->validate(new ValidationData())) { |
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throw new Exception\InvalidTokenException('Validation of JWT token failed', 2); |
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} |
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*/ |
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return $token; |
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} |
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/** |
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* Parse and verify a token. |
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* |
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* @throws Exception\InvalidTokenException |
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* |
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* @param string $tokenString |
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* |
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* @return bool |
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*/ |
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public function verifyPlainToken(string $tokenString): bool |
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{ |
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$token = $this->parsePlainToken($tokenString); |
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return $token->verify($this->signer, $this->verificationKey); |
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} |
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/** |
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* @return Signer |
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*/ |
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public function getSigner(): Signer |
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{ |
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return $this->signer; |
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} |
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/** |
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* Return private key. |
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* |
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* @return string |
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*/ |
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public function getPrivateKey(): string |
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{ |
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return $this->verificationKey; |
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} |
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} |
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belgattitude /
soluble-wallit
