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<?php |
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declare(strict_types=1); |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2014-2017 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\Component\Signature; |
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/** |
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* Class Signature. |
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*/ |
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final class Signature |
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{ |
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/** |
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* @var null|string |
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*/ |
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private $encodedProtectedHeader; |
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/** |
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* @var array |
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*/ |
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private $protectedHeader; |
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/** |
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* @var array |
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*/ |
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private $header; |
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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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* Signature constructor. |
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* |
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* @param string $signature |
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* @param array $protectedHeader |
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* @param null|string $encodedProtectedHeader |
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* @param array $header |
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*/ |
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private function __construct(string $signature, array $protectedHeader, ?string $encodedProtectedHeader, array $header) |
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{ |
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$this->protectedHeader = null === $encodedProtectedHeader ? [] : $protectedHeader; |
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$this->encodedProtectedHeader = $encodedProtectedHeader; |
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$this->signature = $signature; |
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$this->header = $header; |
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} |
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/** |
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* @param string $signature |
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* @param array $protectedHeader |
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* @param string|null $encodedProtectedHeader |
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* @param array $header |
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* |
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* @return Signature |
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*/ |
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public static function create(string $signature, array $protectedHeader, ?string $encodedProtectedHeader, array $header = []): self |
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{ |
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return new self($signature, $protectedHeader, $encodedProtectedHeader, $header); |
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} |
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/** |
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* The protected header associated with the signature. |
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* |
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* @return array |
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*/ |
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public function getProtectedHeader(): array |
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{ |
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return $this->protectedHeader; |
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} |
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/** |
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* The unprotected header associated with the signature. |
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* |
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* @return array |
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*/ |
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public function getHeader(): array |
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{ |
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return $this->header; |
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} |
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/** |
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* The protected header associated with the signature. |
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* |
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* |
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* @return null|string |
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*/ |
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public function getEncodedProtectedHeader(): ?string |
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{ |
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return $this->encodedProtectedHeader; |
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} |
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/** |
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* Returns the value of the protected header of the specified key. |
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* |
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* @param string $key The key |
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* |
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* @return mixed|null Header value |
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*/ |
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public function getProtectedHeaderParameter(string $key) |
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{ |
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if ($this->hasProtectedHeaderParameter($key)) { |
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return $this->getProtectedHeader()[$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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* @param string $key The key |
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* |
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* @return bool |
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*/ |
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public function hasProtectedHeaderParameter(string $key): bool |
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{ |
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return array_key_exists($key, $this->getProtectedHeader()); |
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} |
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/** |
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* Returns the value of the unprotected header of the specified key. |
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* |
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* @param string $key The key |
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* |
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* @return mixed|null Header value |
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*/ |
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public function getHeaderParameter(string $key) |
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{ |
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if ($this->hasHeaderParameter($key)) { |
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return $this->header[$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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* @param string $key The key |
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* |
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* @return bool |
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*/ |
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public function hasHeaderParameter(string $key): bool |
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{ |
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return array_key_exists($key, $this->header); |
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} |
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/** |
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* Returns the value of the signature. |
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* |
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* @return string |
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*/ |
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public function getSignature(): string |
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{ |
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return $this->signature; |
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} |
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} |
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