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<?php |
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declare(strict_types=1); |
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namespace TYPO3\PharStreamWrapper\Resolver; |
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/* |
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* This file is part of the TYPO3 project. |
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* |
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* It is free software; you can redistribute it and/or modify it under the terms |
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* of the MIT License (MIT). For the full copyright and license information, |
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* please read the LICENSE file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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use TYPO3\PharStreamWrapper\Helper; |
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use TYPO3\PharStreamWrapper\Phar\Reader; |
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use TYPO3\PharStreamWrapper\Resolvable; |
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class BaseNameResolver implements Resolvable |
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{ |
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const RESOLVE_REALPATH = 1; |
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const RESOLVE_ALIAS = 2; |
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/** |
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* @var string[] |
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*/ |
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private $aliasMap = []; |
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/** |
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* @param string $path |
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* @param int|null $flags |
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* @return null|string |
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*/ |
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public function resolveBaseName(string $path, int $flags = null) |
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{ |
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$hasPharPrefix = Helper::hasPharPrefix($path); |
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$flags = $flags ?? static::RESOLVE_REALPATH | static::RESOLVE_ALIAS; |
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if ($hasPharPrefix && $flags & static::RESOLVE_ALIAS) { |
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$baseNameFromAliasMap = $this->resolveBaseNameFromAliasMap($path); |
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if ($baseNameFromAliasMap !== null) { |
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return $baseNameFromAliasMap; |
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} |
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} |
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$baseName = Helper::determineBaseFile($path); |
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if ($baseName !== null && $flags & static::RESOLVE_REALPATH) { |
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$baseName = realpath($baseName); |
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} |
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if ($baseName !== null && $hasPharPrefix && $flags & static::RESOLVE_ALIAS) { |
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$this->learnAlias($baseName); |
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} |
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return $baseName; |
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} |
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/** |
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* @param string $path |
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* @return null|string |
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*/ |
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private function resolveBaseNameFromAliasMap(string $path) |
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{ |
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$normalizedBaseName = Helper::normalizePath($path); |
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$possibleAlias = strstr($normalizedBaseName, '/', true); |
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return $this->getAlias($possibleAlias ?: ''); |
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} |
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/** |
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* @param string $basePath |
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*/ |
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private function learnAlias(string $basePath) |
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{ |
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$alias = (new Reader($basePath))->resolveContainer()->getAlias(); |
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if ($alias !== '' && $alias !== $basePath) { |
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$this->setAlias($alias, $basePath); |
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} |
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} |
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/** |
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* @param string $alias |
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* @return null|string |
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*/ |
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private function getAlias(string $alias) |
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{ |
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return $this->aliasMap[$alias] ?? null; |
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} |
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/** |
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* Updates alias map for current Phar archive. |
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* |
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* Since Phar aliases are intended to be used only inside Phar archives, |
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* there is no further check for duplicates in our alias map. |
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* |
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* @param string $alias |
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* @param string $basePath |
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* @see https://secure.php.net/manual/en/phar.setalias.php |
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* @see https://secure.php.net/manual/en/phar.mapphar.php |
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*/ |
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private function setAlias(string $alias, string $basePath) |
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{ |
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$this->aliasMap[$alias] = $basePath; |
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} |
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} |
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TYPO3 /
phar-stream-wrapper
