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<?php |
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namespace Equip\Auth\Jwt; |
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use Equip\Auth\Exception\InvalidException; |
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use Equip\Auth\Token; |
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use Lcobucci\JWT\Parser; |
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use Lcobucci\JWT\Signer; |
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use Lcobucci\JWT\Token as ParsedToken; |
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use Lcobucci\JWT\ValidationData; |
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/** |
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* Parser for JWT authentication token strings that uses the lcobucci/jwt |
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* library. |
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*/ |
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class LcobucciParser implements ParserInterface |
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{ |
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/** |
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* @var Parser $parser |
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*/ |
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protected $parser; |
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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 Configuration |
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*/ |
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protected $config; |
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/** |
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* @var ValidationData |
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*/ |
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protected $validation; |
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/** |
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* @param Parser $parser |
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* @param Signer $signer |
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* @param Configuration $config |
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* @param ValidationData $validation |
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*/ |
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public function __construct( |
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Parser $parser, |
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Signer $signer, |
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Configuration $config, |
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ValidationData $validation |
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) |
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{ |
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$this->parser = $parser; |
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$this->signer = $signer; |
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$this->config = $config; |
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$this->validation = $validation; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function parseToken($token) |
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{ |
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$parsed = $this->getParsedToken($token); |
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$this->verifyParsedToken($parsed); |
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$this->validateParsedToken($parsed); |
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$metadata = $this->getTokenMetadata($parsed); |
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return new Token($token, $metadata); |
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} |
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/** |
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* @param string $token |
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* @return ParsedToken |
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* @throws InvalidException if token can't be parsed |
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*/ |
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protected function getParsedToken($token) |
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{ |
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try { |
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return $this->parser->parse((string) $token); |
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} catch (\InvalidArgumentException $e) { |
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throw InvalidException::tokenUnparseable($token, $e); |
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} |
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} |
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/** |
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* @param ParsedToken $parsed |
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* @throws InvalidException if token validation fails |
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*/ |
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protected function verifyParsedToken(ParsedToken $parsed) |
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{ |
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if ($parsed->verify($this->signer, $this->config->getPublicKey())) { |
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return; |
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} |
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throw InvalidException::invalidSignature((string) $parsed); |
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} |
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/** |
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* @param ParsedToken $parsed |
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* @throws InvalidException if token validation fails |
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*/ |
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protected function validateParsedToken(ParsedToken $parsed) |
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{ |
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if ($parsed->validate($this->validation)) { |
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return; |
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} |
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throw InvalidException::invalidToken((string) $parsed); |
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} |
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/** |
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* @param ParsedToken $parsed |
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* @return array |
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*/ |
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protected function getTokenMetadata(ParsedToken $parsed) |
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{ |
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$metadata = []; |
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foreach ($parsed->getClaims() as $name => $claim) { |
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$metadata[$name] = $claim->getValue(); |
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} |
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return $metadata; |
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} |
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} |
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equip /
auth
