public isValid ( $value, |
||
$constraint |
public function isValid($value, Constraint $constraint)
{
if (null === $value || '' === $value) {
return true;
}
if (!is_scalar($value) && !$value instanceof FileObject && !(is_object($value) && method_exists($value, '__toString'))) {
throw new UnexpectedTypeException($value, 'string');
}
$path = $value instanceof FileObject ? $value->getPathname() : (string) $value;
if (!file_exists($path)) {
$this->setMessage($constraint->notFoundMessage, array('{{ file }}' => $path));
return false;
}
if (!is_readable($path)) {
$this->setMessage($constraint->notReadableMessage, array('{{ file }}' => $path));
return false;
}
if ($constraint->maxSize) {
if (ctype_digit((string) $constraint->maxSize)) {
$size = filesize($path);
$limit = $constraint->maxSize;
$suffix = ' bytes';
} else if (preg_match('/^(\d+)k$/', $constraint->maxSize, $matches)) {
$size = round(filesize($path) / 1000, 2);
$limit = $matches[1];
$suffix = ' kB';
} else if (preg_match('/^(\d+)M$/', $constraint->maxSize, $matches)) {
$size = round(filesize($path) / 1000000, 2);
$limit = $matches[1];
$suffix = ' MB';
} else {
throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum size', $constraint->maxSize));
}
if ($size > $limit) {
$this->setMessage($constraint->maxSizeMessage, array(
'{{ size }}' => $size.$suffix,
'{{ limit }}' => $limit.$suffix,
'{{ file }}' => $path,
));
return false;
}
}
if ($constraint->mimeTypes) {
if (!$value instanceof FileObject) {
$value = new FileObject($value);
}
if (!in_array($value->getMimeType(), (array) $constraint->mimeTypes)) {
$this->setMessage($constraint->mimeTypesMessage, array(
'{{ type }}' => '"'.$value->getMimeType().'"',
'{{ types }}' => '"'.implode('", "', (array) $constraint->mimeTypes).'"',
'{{ file }}' => $path,
));
return false;
}
}
return true;
}
public function isValid($value, Constraint $constraint) { $isValid = parent::isValid($value, $constraint); if (!$isValid) { return false; } if (null === $value || '' === $value) { return true; } if (null === $constraint->minWidth && null === $constraint->maxWidth && null === $constraint->minHeight && null === $constraint->maxHeight) { return true; } $size = @getimagesize($value); if (empty($size) || $size[0] === 0 || $size[1] === 0) { $this->setMessage($constraint->sizeNotDetectedMessage); return false; } $width = $size[0]; $height = $size[1]; if ($constraint->minWidth) { if (!ctype_digit((string) $constraint->minWidth)) { throw new ConstraintDefinitionException(sprintf('"%s" is not a valid minimum width', $constraint->minWidth)); } if ($width < $constraint->minWidth) { $this->setMessage($constraint->minWidthMessage, array('{{ width }}' => $width, '{{ min_width }}' => $constraint->minWidth)); return false; } } if ($constraint->maxWidth) { if (!ctype_digit((string) $constraint->maxWidth)) { throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum width', $constraint->maxWidth)); } if ($width > $constraint->maxWidth) { $this->setMessage($constraint->maxWidthMessage, array('{{ width }}' => $width, '{{ max_width }}' => $constraint->maxWidth)); return false; } } if ($constraint->minHeight) { if (!ctype_digit((string) $constraint->minHeight)) { throw new ConstraintDefinitionException(sprintf('"%s" is not a valid minimum height', $constraint->minHeight)); } if ($height < $constraint->minHeight) { $this->setMessage($constraint->minHeightMessage, array('{{ height }}' => $height, '{{ min_height }}' => $constraint->minHeight)); return false; } } if ($constraint->maxHeight) { if (!ctype_digit((string) $constraint->maxHeight)) { throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum height', $constraint->maxHeight)); } if ($height > $constraint->maxHeight) { $this->setMessage($constraint->maxHeightMessage, array('{{ height }}' => $height, '{{ max_height }}' => $constraint->maxHeight)); return false; } } return true; }