Matthieu
45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Service\Share;
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use App\Service\Share\Exception\InvalidPathException;
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final class SharePathResolver
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{
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/**
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* Normalise un chemin relatif et rejette toute tentative de sortie de racine.
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*/
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public function normalizeRelative(string $path): string
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{
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$path = str_replace('\\', '/', $path);
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$segments = [];
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foreach (explode('/', $path) as $segment) {
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if ('' === $segment || '.' === $segment) {
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continue;
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}
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if ('..' === $segment) {
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throw new InvalidPathException('Path traversal is not allowed.');
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}
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$segments[] = $segment;
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}
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return implode('/', $segments);
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}
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/**
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* Construit le chemin SMB absolu (toujours sous basePath).
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*/
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public function fullPath(string $basePath, string $relativePath): string
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{
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$base = trim(str_replace('\\', '/', $basePath), '/');
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$relative = $this->normalizeRelative($relativePath);
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$parts = array_values(array_filter([$base, $relative], static fn (string $p): bool => '' !== $p));
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return '/'.implode('/', $parts);
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}
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}
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