mirror of
https://github.com/Respect/Validation.git
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92b196ee19
Signed-off-by: Henrique Moody <henriquemoody@gmail.com>
140 lines
3.7 KiB
PHP
140 lines
3.7 KiB
PHP
<?php
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/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
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* SPDX-License-Identifier: MIT
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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 Psr\Http\Message\StreamInterface;
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use Psr\Http\Message\UploadedFileInterface;
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use Respect\Validation\Exceptions\ComponentException;
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use Respect\Validation\Message\Template;
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use Respect\Validation\Result;
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use Respect\Validation\Rules\Core\Standard;
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use SplFileInfo;
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use function filesize;
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use function floatval;
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use function is_numeric;
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use function is_string;
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use function preg_match;
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use function sprintf;
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#[Template(
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'{{name}} must be between {{minSize}} and {{maxSize}}',
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'{{name}} must not be between {{minSize}} and {{maxSize}}',
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self::TEMPLATE_BOTH,
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)]
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#[Template(
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'{{name}} must be greater than {{minSize}}',
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'{{name}} must not be greater than {{minSize}}',
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self::TEMPLATE_LOWER,
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)]
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#[Template(
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'{{name}} must be lower than {{maxSize}}',
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'{{name}} must not be lower than {{maxSize}}',
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self::TEMPLATE_GREATER,
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)]
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final class Size extends Standard
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{
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public const TEMPLATE_LOWER = '__lower__';
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public const TEMPLATE_GREATER = '__greater__';
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public const TEMPLATE_BOTH = '__both__';
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private readonly ?float $minValue;
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private readonly ?float $maxValue;
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public function __construct(
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private readonly string|int|null $minSize = null,
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private readonly string|int|null $maxSize = null
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) {
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$this->minValue = $minSize ? $this->toBytes((string) $minSize) : null;
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$this->maxValue = $maxSize ? $this->toBytes((string) $maxSize) : null;
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}
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public function evaluate(mixed $input): Result
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{
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return new Result(
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$this->isValid($input),
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$input,
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$this,
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['minSize' => $this->minSize, 'maxSize' => $this->maxSize],
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$this->getStandardTemplate()
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);
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}
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private function isValid(mixed $input): bool
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{
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if ($input instanceof SplFileInfo) {
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return $this->isValidSize((float) $input->getSize());
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}
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if ($input instanceof UploadedFileInterface) {
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return $this->isValidSize((float) $input->getSize());
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}
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if ($input instanceof StreamInterface) {
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return $this->isValidSize((float) $input->getSize());
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}
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if (is_string($input)) {
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return $this->isValidSize((float) filesize($input));
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}
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return false;
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}
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private function getStandardTemplate(): string
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{
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if (!$this->minValue) {
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return self::TEMPLATE_GREATER;
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}
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if (!$this->maxValue) {
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return self::TEMPLATE_LOWER;
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}
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return self::TEMPLATE_BOTH;
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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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private function toBytes(string $size): float
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{
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$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', $size, $matches)) {
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continue;
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}
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$value = floatval($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 (float) $value;
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}
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private function isValidSize(float $size): bool
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{
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if ($this->minValue !== null && $this->maxValue !== null) {
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return $size >= $this->minValue && $size <= $this->maxValue;
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}
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if ($this->minValue !== null) {
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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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