88 lines
3.0 KiB
PHP
88 lines
3.0 KiB
PHP
<?php
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\HttpFoundation\File\File as FileObject;
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class FileValidator extends ConstraintValidator
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{
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public function isValid($value, Constraint $constraint)
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{
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if ($value === null) {
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return true;
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}
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if (!is_scalar($value) && !$value instanceof FileObject && !(is_object($value) && method_exists($value, '__toString()'))) {
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throw new UnexpectedTypeException($value, 'string');
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}
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if ($value instanceof FileObject && null === $value->getPath()) {
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return true;
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}
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$path = $value instanceof FileObject ? $value->getPath() : (string)$value;
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if (!file_exists($path)) {
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$this->setMessage($constraint->notFoundMessage, array('{{ file }}' => $path));
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return false;
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}
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if (!is_readable($path)) {
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$this->setMessage($constraint->notReadableMessage, array('{{ file }}' => $path));
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return false;
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}
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if ($constraint->maxSize) {
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if (ctype_digit((string)$constraint->maxSize)) {
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$size = filesize($path);
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$limit = $constraint->maxSize;
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$suffix = ' bytes';
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} else if (preg_match('/^(\d+)k$/', $constraint->maxSize, $matches)) {
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$size = round(filesize($path) / 1000, 2);
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$limit = $matches[1];
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$suffix = ' kB';
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} else if (preg_match('/^(\d+)M$/', $constraint->maxSize, $matches)) {
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$size = round(filesize($path) / 1000000, 2);
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$limit = $matches[1];
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$suffix = ' MB';
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} else {
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throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum size', $constraint->maxSize));
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}
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if ($size > $limit) {
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$this->setMessage($constraint->maxSizeMessage, array(
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'{{ size }}' => $size . $suffix,
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'{{ limit }}' => $limit . $suffix,
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'{{ file }}' => $path,
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));
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return false;
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}
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}
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if ($constraint->mimeTypes) {
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if (!$value instanceof FileObject) {
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throw new ConstraintValidationException();
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}
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if (!in_array($value->getMimeType(), (array)$constraint->mimeTypes)) {
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$this->setMessage($constraint->mimeTypesMessage, array(
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'{{ type }}' => '"'.$value->getMimeType().'"',
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'{{ types }}' => '"'.implode('", "', (array)$constraint->mimeTypes).'"',
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'{{ file }}' => $path,
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));
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return false;
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}
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}
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return true;
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}
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}
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