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<?php |
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namespace kalanis\UploadPerPartes\Target\Local\Checksums; |
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use kalanis\UploadPerPartes\Traits\TLangInit; |
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use kalanis\UploadPerPartes\UploadException; |
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use kalanis\UploadPerPartes\Interfaces; |
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use ReflectionClass; |
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use ReflectionException; |
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/** |
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* Class Factory |
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* @package kalanis\UploadPerPartes\Target\Local\Checksums |
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* Which checksum will be used for checking parts of content on both client and server |
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*/ |
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class Factory |
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{ |
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use TLangInit; |
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public const FORMAT_MD5 = 'md5'; |
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public const FORMAT_SHA1 = 'sha1'; |
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/** @var array<string|int, class-string<Interfaces\IChecksum>> */ |
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protected array $map = [ |
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self::FORMAT_MD5 => Md5::class, |
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self::FORMAT_SHA1 => Sha1::class, |
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]; |
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/** |
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* @param string $method |
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* @throws UploadException |
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* @return Interfaces\IChecksum |
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*/ |
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public function getChecksum(string $method): Interfaces\IChecksum |
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{ |
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$variant = empty($method) ? self::FORMAT_MD5 : $method; |
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if (isset($this->map[strval($variant)])) { |
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return $this->initDefined($this->map[strval($variant)]); |
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} |
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return $this->initDefined(strval($variant)); |
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} |
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/** |
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* @param object $variant |
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* @throws UploadException |
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* @return Interfaces\IChecksum |
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*/ |
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protected function checkObject(object $variant): Interfaces\IChecksum |
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{ |
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if ($variant instanceof Interfaces\IChecksum) { |
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return $variant; |
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} |
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throw new UploadException($this->getUppLang()->uppChecksumVariantIsWrong(get_class($variant))); |
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} |
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/** |
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* @param string $variant |
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* @throws UploadException |
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* @return Interfaces\IChecksum |
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*/ |
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protected function initDefined(string $variant): Interfaces\IChecksum |
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{ |
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try { |
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/** @var class-string<Interfaces\IChecksum> $variant */ |
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$ref = new ReflectionClass($variant); |
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if ($ref->isInstantiable()) { |
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return $this->checkObject($ref->newInstance()); |
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} |
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throw new UploadException($this->getUppLang()->uppChecksumVariantIsWrong($variant)); |
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} catch (ReflectionException $ex) { |
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throw new UploadException($ex->getMessage(), $ex->getCode(), $ex); |
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} |
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} |
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} |
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alex-kalanis /
upload-per-partes
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