121 lines
2.9 KiB
PHP
121 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Jose\Component\Signature;
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use InvalidArgumentException;
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use function array_key_exists;
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class Signature
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{
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private readonly ?string $encodedProtectedHeader;
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/**
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* @var array<string, mixed>
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*/
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private readonly array $protectedHeader;
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/**
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* @param array{alg?: string, string?: mixed} $protectedHeader
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* @param array{alg?: string, string?: mixed} $header
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*/
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public function __construct(
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private readonly string $signature,
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array $protectedHeader,
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?string $encodedProtectedHeader,
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private readonly array $header
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) {
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$this->protectedHeader = $encodedProtectedHeader === null ? [] : $protectedHeader;
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$this->encodedProtectedHeader = $encodedProtectedHeader;
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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<string, mixed>
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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<string, mixed>
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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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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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* Returns true if the protected header has the given parameter.
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*
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* @param string $key The key
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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 $key)
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{
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if (array_key_exists($key, $this->header)) {
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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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* Returns true if the unprotected header has the given parameter.
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*
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* @param string $key The key
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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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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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