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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Respect\Validation\Rules; |
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use Respect\Validation\Exceptions\ComponentException; |
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use SplFileInfo; |
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/** |
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* Validate file size. |
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* |
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* @author Henrique Moody <[email protected]> |
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*/ |
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class Size extends AbstractRule |
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{ |
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/** |
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* @var string |
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*/ |
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public $minSize; |
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/** |
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* @var int |
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*/ |
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public $minValue; |
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/** |
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* @var string |
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*/ |
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public $maxSize; |
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/** |
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* @var int |
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*/ |
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public $maxValue; |
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/** |
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* @param string $minSize |
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* @param string $maxSize |
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*/ |
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public function __construct($minSize = null, $maxSize = null) |
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{ |
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$this->minSize = $minSize; |
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$this->minValue = $minSize ? $this->toBytes($minSize) : null; |
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$this->maxSize = $maxSize; |
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$this->maxValue = $maxSize ? $this->toBytes($maxSize) : null; |
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} |
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/** |
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* @todo Move it to a trait |
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* |
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* @param mixed $size |
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* |
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* @return int |
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*/ |
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private function toBytes($size) |
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{ |
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$value = $size; |
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$units = ['b', 'kb', 'mb', 'gb', 'tb', 'pb', 'eb', 'zb', 'yb']; |
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foreach ($units as $exponent => $unit) { |
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if (!preg_match("/^(\d+(.\d+)?){$unit}$/i", (string) $size, $matches)) { |
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continue; |
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} |
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$value = $matches[1] * 1024 ** $exponent; |
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break; |
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} |
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if (!is_numeric($value)) { |
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throw new ComponentException(sprintf('"%s" is not a recognized file size.', $size)); |
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} |
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return $value; |
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} |
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/** |
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* @param int $size |
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* |
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* @return bool |
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*/ |
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private function isValidSize($size) |
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{ |
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if (null !== $this->minValue && null !== $this->maxValue) { |
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return $size >= $this->minValue && $size <= $this->maxValue; |
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} |
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if (null !== $this->minValue) { |
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return $size >= $this->minValue; |
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} |
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return $size <= $this->maxValue; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validate($input): bool |
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{ |
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if ($input instanceof SplFileInfo) { |
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return $this->isValidSize($input->getSize()); |
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} |
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if (is_string($input)) { |
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return $this->isValidSize(filesize($input)); |
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} |
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return false; |
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} |
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} |
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Respect /
Validation
