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ab3732f91f
SPDX IDs are shorter than licensing notes previously used, and adhere better to FOSS standards. It is also machine-readable.
67 lines
1.3 KiB
PHP
67 lines
1.3 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 finfo;
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use SplFileInfo;
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use function is_file;
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use function is_string;
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use const FILEINFO_MIME_TYPE;
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/**
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* Validates if the input is a file and if its MIME type matches the expected one.
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*
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* @author Danilo Correa <danilosilva87@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class Mimetype extends AbstractRule
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{
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/**
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* @var string
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*/
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private $mimetype;
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/**
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* @var finfo
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*/
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private $fileInfo;
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/**
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* Initializes the rule by defining the expected mimetype from the input.
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*/
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public function __construct(string $mimetype, ?finfo $fileInfo = null)
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{
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$this->mimetype = $mimetype;
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$this->fileInfo = $fileInfo ?: new finfo();
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if ($input instanceof SplFileInfo) {
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return $this->validate($input->getPathname());
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}
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if (!is_string($input)) {
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return false;
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}
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if (!is_file($input)) {
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return false;
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}
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return $this->mimetype === $this->fileInfo->file($input, FILEINFO_MIME_TYPE);
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}
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}
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