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<?php |
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namespace JWX\JWT\Header; |
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use JWX\JWT\Parameter\RegisteredJWTParameter; |
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/** |
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* Represents as JOSE header. |
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* |
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* JOSE header consists of one or more Header objects, that are merged together. |
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* |
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* @link https://tools.ietf.org/html/rfc7519#section-5 |
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* @link https://tools.ietf.org/html/rfc7515#section-4 |
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* @link https://tools.ietf.org/html/rfc7516#section-4 |
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*/ |
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class JOSE extends Header |
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{ |
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/** |
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* Constructor |
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* |
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* @param Header ...$headers One or more headers to merge |
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*/ |
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public function __construct(Header ...$headers) { |
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$params = array(); |
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foreach ($headers as $header) { |
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foreach ($header->parameters() as $param) { |
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if (isset($params[$param->name()])) { |
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throw new \UnexpectedValueException("Duplicate parameter."); |
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} |
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$params[$param->name()] = $param; |
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} |
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} |
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parent::__construct(...array_values($params)); |
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} |
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/** |
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* Get self merged with another Header. |
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* |
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* @param Header $header |
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* @return self |
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*/ |
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public function withHeader(Header $header) { |
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return new self($this, $header); |
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} |
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/** |
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* Whether JOSE is for a JWS. |
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* |
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* @return bool |
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*/ |
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public function isJWS() { |
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return $this->has(RegisteredJWTParameter::PARAM_ALGORITHM) && |
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!$this->has(RegisteredJWTParameter::PARAM_ENCRYPTION_ALGORITHM); |
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} |
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/** |
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* Whether JOSE is for a JWE. |
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* |
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* @return bool |
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*/ |
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public function isJWE() { |
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return $this->has(RegisteredJWTParameter::PARAM_ENCRYPTION_ALGORITHM); |
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} |
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} |
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sop /
jwx
