44 lines
1.2 KiB
PHP
44 lines
1.2 KiB
PHP
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<?php
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namespace App\Rules;
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use Closure;
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use Illuminate\Contracts\Validation\ValidationRule;
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class FileType implements ValidationRule
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{
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protected array $disallowedExtensions;
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/**
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* Constructor to initialize disallowed file extensions.
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*
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* @param array $disallowedExtensions
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*/
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public function __construct(array $disallowedExtensions)
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{
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$this->disallowedExtensions = $disallowedExtensions;
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}
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/**
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* Run the validation rule.
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*
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* @param string $attribute
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* @param mixed $value
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* @param \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString $fail
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*/
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public function validate(string $attribute, mixed $value, Closure $fail): void
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{
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if ($value && $value->isValid()) {
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// Get the file extension
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$extension = strtolower($value->getClientOriginalExtension());
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// Check if the extension is in the disallowed list
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if (in_array($extension, $this->disallowedExtensions)) {
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$fail("The file type '{$extension}' is not allowed.");
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}
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} else {
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$fail("The uploaded file for '{$attribute}' is invalid.");
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}
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}
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}
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