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<?php |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2014-2016 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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namespace Jose\Object; |
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use Assert\Assertion; |
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use Base64Url\Base64Url; |
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/** |
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* Class SignatureInstruction. |
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*/ |
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final class Signature implements SignatureInterface |
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{ |
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/** |
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* @var null|string |
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*/ |
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private $encoded_protected_headers = null; |
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/** |
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* @var array |
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*/ |
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private $protected_headers = []; |
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/** |
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* @var array |
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*/ |
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private $headers = []; |
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/** |
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* @var string |
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*/ |
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private $signature; |
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/** |
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* @var \Jose\Object\JWKInterface |
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*/ |
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private $signature_key; |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function createSignatureFromLoadedData($signature, $encoded_protected_headers, array $headers) |
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{ |
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$object = new self(); |
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$object->encoded_protected_headers = $encoded_protected_headers; |
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if (null !== $encoded_protected_headers) { |
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$protected_headers = json_decode(Base64Url::decode($encoded_protected_headers), true); |
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Assertion::isArray($protected_headers, 'Unable to decode the protected headers.'); |
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$object->protected_headers = $protected_headers; |
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} |
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$object->signature = $signature; |
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$object->headers = $headers; |
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return $object; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function createSignature(JWKInterface $signature_key, array $protected_headers, array $headers) |
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{ |
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$object = new self(); |
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$object->protected_headers = $protected_headers; |
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if (!empty($protected_headers)) { |
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$object->encoded_protected_headers = Base64Url::encode(json_encode($protected_headers)); |
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} |
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$object->signature_key = $signature_key; |
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$object->headers = $headers; |
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return $object; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getProtectedHeaders() |
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{ |
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return $this->protected_headers; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getHeaders() |
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{ |
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return $this->headers; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getEncodedProtectedHeaders() |
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{ |
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return $this->encoded_protected_headers; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getProtectedHeader($key) |
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{ |
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if ($this->hasProtectedHeader($key)) { |
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return $this->getProtectedHeaders()[$key]; |
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} |
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throw new \InvalidArgumentException(sprintf('The protected header "%s" does not exist', $key)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasProtectedHeader($key) |
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{ |
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return array_key_exists($key, $this->getProtectedHeaders()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getHeader($key) |
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{ |
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if ($this->hasHeader($key)) { |
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return $this->headers[$key]; |
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} |
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throw new \InvalidArgumentException(sprintf('The header "%s" does not exist', $key)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasHeader($key) |
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{ |
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return array_key_exists($key, $this->headers); |
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} |
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public function getAllHeaders() |
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{ |
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return array_merge( |
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$this->getProtectedHeaders(), |
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$this->getHeaders() |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSignature() |
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{ |
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return $this->signature; |
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} |
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/** |
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* @return \Jose\Object\JWKInterface |
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*/ |
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public function getSignatureKey() |
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{ |
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return $this->signature_key; |
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} |
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} |
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Spomky-Labs /
jose
