Subversion-Projekte lars-tiefland.laravel_shop

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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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declare(strict_types=1);
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namespace League\Flysystem;
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class WhitespacePathNormalizer implements PathNormalizer
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{
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    public function normalizePath(string $path): string
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    {
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        $path = str_replace('\\', '/', $path);
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        $this->rejectFunkyWhiteSpace($path);
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        return $this->normalizeRelativePath($path);
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    }
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    private function rejectFunkyWhiteSpace(string $path): void
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    {
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        if (preg_match('#\p{C}+#u', $path)) {
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            throw CorruptedPathDetected::forPath($path);
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        }
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    }
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    private function normalizeRelativePath(string $path): string
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    {
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        $parts = [];
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        foreach (explode('/', $path) as $part) {
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            switch ($part) {
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                case '':
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                case '.':
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                    break;
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                case '..':
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                    if (empty($parts)) {
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                        throw PathTraversalDetected::forPath($path);
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                    }
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                    array_pop($parts);
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                    break;
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                default:
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                    $parts[] = $part;
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                    break;
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            }
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        }
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        return implode('/', $parts);
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    }
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}