You are here

public function FileValidator::validate in Plug 7

Checks if the passed value is valid.

@api

Parameters

mixed $value The value that should be validated:

Constraint $constraint The constraint for the validation:

Overrides ConstraintValidatorInterface::validate

1 call to FileValidator::validate()
ImageValidator::validate in lib/Symfony/validator/Symfony/Component/Validator/Constraints/ImageValidator.php
Checks if the passed value is valid.
1 method overrides FileValidator::validate()
ImageValidator::validate in lib/Symfony/validator/Symfony/Component/Validator/Constraints/ImageValidator.php
Checks if the passed value is valid.

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/FileValidator.php, line 43

Class

FileValidator
@author Bernhard Schussek <bschussek@gmail.com>

Namespace

Symfony\Component\Validator\Constraints

Code

public function validate($value, Constraint $constraint) {
  if (!$constraint instanceof File) {
    throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\File');
  }
  if (null === $value || '' === $value) {
    return;
  }
  if ($value instanceof UploadedFile && !$value
    ->isValid()) {
    switch ($value
      ->getError()) {
      case UPLOAD_ERR_INI_SIZE:
        $iniLimitSize = UploadedFile::getMaxFilesize();
        if ($constraint->maxSize && $constraint->maxSize < $iniLimitSize) {
          $limitInBytes = $constraint->maxSize;
          $binaryFormat = $constraint->binaryFormat;
        }
        else {
          $limitInBytes = $iniLimitSize;
          $binaryFormat = true;
        }
        list($sizeAsString, $limitAsString, $suffix) = $this
          ->factorizeSizes(0, $limitInBytes, $binaryFormat);
        $this
          ->buildViolation($constraint->uploadIniSizeErrorMessage)
          ->setParameter('{{ limit }}', $limitAsString)
          ->setParameter('{{ suffix }}', $suffix)
          ->setCode(UPLOAD_ERR_INI_SIZE)
          ->addViolation();
        return;
      case UPLOAD_ERR_FORM_SIZE:
        $this
          ->buildViolation($constraint->uploadFormSizeErrorMessage)
          ->setCode(UPLOAD_ERR_FORM_SIZE)
          ->addViolation();
        return;
      case UPLOAD_ERR_PARTIAL:
        $this
          ->buildViolation($constraint->uploadPartialErrorMessage)
          ->setCode(UPLOAD_ERR_PARTIAL)
          ->addViolation();
        return;
      case UPLOAD_ERR_NO_FILE:
        $this
          ->buildViolation($constraint->uploadNoFileErrorMessage)
          ->setCode(UPLOAD_ERR_NO_FILE)
          ->addViolation();
        return;
      case UPLOAD_ERR_NO_TMP_DIR:
        $this
          ->buildViolation($constraint->uploadNoTmpDirErrorMessage)
          ->setCode(UPLOAD_ERR_NO_TMP_DIR)
          ->addViolation();
        return;
      case UPLOAD_ERR_CANT_WRITE:
        $this
          ->buildViolation($constraint->uploadCantWriteErrorMessage)
          ->setCode(UPLOAD_ERR_CANT_WRITE)
          ->addViolation();
        return;
      case UPLOAD_ERR_EXTENSION:
        $this
          ->buildViolation($constraint->uploadExtensionErrorMessage)
          ->setCode(UPLOAD_ERR_EXTENSION)
          ->addViolation();
        return;
      default:
        $this
          ->buildViolation($constraint->uploadErrorMessage)
          ->setCode($value
          ->getError())
          ->addViolation();
        return;
    }
  }
  if (!is_scalar($value) && !$value instanceof FileObject && !(is_object($value) && method_exists($value, '__toString'))) {
    throw new UnexpectedTypeException($value, 'string');
  }
  $path = $value instanceof FileObject ? $value
    ->getPathname() : (string) $value;
  if (!is_file($path)) {
    $this
      ->buildViolation($constraint->notFoundMessage)
      ->setParameter('{{ file }}', $this
      ->formatValue($path))
      ->setCode(File::NOT_FOUND_ERROR)
      ->addViolation();
    return;
  }
  if (!is_readable($path)) {
    $this
      ->buildViolation($constraint->notReadableMessage)
      ->setParameter('{{ file }}', $this
      ->formatValue($path))
      ->setCode(File::NOT_READABLE_ERROR)
      ->addViolation();
    return;
  }
  $sizeInBytes = filesize($path);
  if (0 === $sizeInBytes) {
    $this
      ->buildViolation($constraint->disallowEmptyMessage)
      ->setParameter('{{ file }}', $this
      ->formatValue($path))
      ->setCode(File::EMPTY_ERROR)
      ->addViolation();
    return;
  }
  if ($constraint->maxSize) {
    $limitInBytes = $constraint->maxSize;
    if ($sizeInBytes > $limitInBytes) {
      list($sizeAsString, $limitAsString, $suffix) = $this
        ->factorizeSizes($sizeInBytes, $limitInBytes, $constraint->binaryFormat);
      $this
        ->buildViolation($constraint->maxSizeMessage)
        ->setParameter('{{ file }}', $this
        ->formatValue($path))
        ->setParameter('{{ size }}', $sizeAsString)
        ->setParameter('{{ limit }}', $limitAsString)
        ->setParameter('{{ suffix }}', $suffix)
        ->setCode(File::TOO_LARGE_ERROR)
        ->addViolation();
      return;
    }
  }
  if ($constraint->mimeTypes) {
    if (!$value instanceof FileObject) {
      $value = new FileObject($value);
    }
    $mimeTypes = (array) $constraint->mimeTypes;
    $mime = $value
      ->getMimeType();
    foreach ($mimeTypes as $mimeType) {
      if ($mimeType === $mime) {
        return;
      }
      if ($discrete = strstr($mimeType, '/*', true)) {
        if (strstr($mime, '/', true) === $discrete) {
          return;
        }
      }
    }
    $this
      ->buildViolation($constraint->mimeTypesMessage)
      ->setParameter('{{ file }}', $this
      ->formatValue($path))
      ->setParameter('{{ type }}', $this
      ->formatValue($mime))
      ->setParameter('{{ types }}', $this
      ->formatValues($mimeTypes))
      ->setCode(File::INVALID_MIME_TYPE_ERROR)
      ->addViolation();
  }
}