62 lines
1.9 KiB
PHP
62 lines
1.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Webauthn\MetadataService\Service;
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use const DIRECTORY_SEPARATOR;
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use function file_get_contents;
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use InvalidArgumentException;
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use function is_array;
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use RuntimeException;
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use function sprintf;
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use Webauthn\MetadataService\Statement\MetadataStatement;
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final class FolderResourceMetadataService implements MetadataService
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{
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private readonly string $rootPath;
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public function __construct(string $rootPath)
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{
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$this->rootPath = rtrim($rootPath, DIRECTORY_SEPARATOR);
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is_dir($this->rootPath) || throw new InvalidArgumentException('The given parameter is not a valid folder.');
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is_readable($this->rootPath) || throw new InvalidArgumentException(
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'The given parameter is not a valid folder.'
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);
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}
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public function list(): iterable
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{
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$files = glob($this->rootPath . DIRECTORY_SEPARATOR . '*');
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is_array($files) || throw new RuntimeException('Unable to read files.');
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foreach ($files as $file) {
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if (is_dir($file) || ! is_readable($file)) {
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continue;
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}
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yield basename($file);
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}
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}
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public function has(string $aaguid): bool
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{
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$filename = $this->rootPath . DIRECTORY_SEPARATOR . $aaguid;
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return is_file($filename) && is_readable($filename);
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}
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public function get(string $aaguid): MetadataStatement
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{
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$this->has($aaguid) || throw new InvalidArgumentException(sprintf(
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'The MDS with the AAGUID "%s" does not exist.',
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$aaguid
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));
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$filename = $this->rootPath . DIRECTORY_SEPARATOR . $aaguid;
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$data = trim(file_get_contents($filename));
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$mds = MetadataStatement::createFromString($data);
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$mds->getAaguid() !== null || throw new RuntimeException('Invalid Metadata Statement.');
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return $mds;
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}
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}
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