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Final Class Yiisoft\Validator\Rule\FileHandler

All Classes | Methods

Inheritance	Yiisoft\Validator\Rule\FileHandler
Implements	Yiisoft\Validator\RuleHandlerInterface

Validates that a value is a file and optionally checks its extension, MIME type and size.

Public Methods

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Method	Description	Defined By
validate()		Yiisoft\Validator\Rule\FileHandler

Method Details

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validate() public method

public Yiisoft\Validator\Result validate ( mixed $value, Yiisoft\Validator\RuleInterface $rule, Yiisoft\Validator\ValidationContext $context )
$value	mixed
$rule	Yiisoft\Validator\RuleInterface
$context	Yiisoft\Validator\ValidationContext

Source code

                public function validate(mixed $value, RuleInterface $rule, ValidationContext $context): Result
{
    if (!$rule instanceof File) {
        throw new UnexpectedRuleException(File::class, $rule);
    }
    $result = new Result();
    $file = $this->getFileData($value);
    if ($file['status'] === 'missing') {
        $result->addError($rule->getUploadRequiredMessage(), $this->getParameters($context));
        return $result;
    }
    if ($file['status'] === 'upload-error') {
        $result->addError(
            $rule->getUploadFailedMessage(),
            $this->getParameters($context, $file, ['error' => $file['error']]),
        );
        return $result;
    }
    if ($file['status'] !== 'ok') {
        $result->addError($rule->getMessage(), $this->getParameters($context, $file));
        return $result;
    }
    if (!$this->isExtensionValid($file['name'], $rule->getExtensions())) {
        $result->addError(
            $rule->getWrongExtensionMessage(),
            $this->getParameters($context, $file, ['extensions' => implode(', ', $rule->getExtensions() ?? [])]),
        );
    }
    if (!$this->isMimeTypeValid($file, $rule->getMimeTypes(), $rule->getTrustClientMediaType())) {
        $result->addError(
            $rule->getWrongMimeTypeMessage(),
            $this->getParameters($context, $file, ['mimeTypes' => implode(', ', $rule->getMimeTypes() ?? [])]),
        );
    }
    $this->validateSize($file, $rule, $context, $result);
    return $result;
}