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Mini Shell
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\HttpFoundation\File\File as FileObject;
use Symfony\Component\HttpFoundation\File\UploadedFile;
/**
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @api
*/
class FileValidator extends ConstraintValidator
{
/**
* {@inheritDoc}
*/
public function validate($value, Constraint $constraint)
{
if (null === $value || '' === $value) {
return;
}
if ($value instanceof UploadedFile && !$value->isValid()) {
switch ($value->getError()) {
case UPLOAD_ERR_INI_SIZE:
if ($constraint->maxSize) {
if (ctype_digit((string) $constraint->maxSize)) {
$maxSize = (int) $constraint->maxSize;
} elseif (preg_match('/^\d++k$/', $constraint->maxSize)) {
$maxSize = $constraint->maxSize * 1024;
} elseif (preg_match('/^\d++M$/', $constraint->maxSize)) {
$maxSize = $constraint->maxSize * 1048576;
} else {
throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum size', $constraint->maxSize));
}
$maxSize = min(UploadedFile::getMaxFilesize(), $maxSize);
} else {
$maxSize = UploadedFile::getMaxFilesize();
}
$this->context->addViolation($constraint->uploadIniSizeErrorMessage, array(
'{{ limit }}' => $maxSize,
'{{ suffix }}' => 'bytes',
));
return;
case UPLOAD_ERR_FORM_SIZE:
$this->context->addViolation($constraint->uploadFormSizeErrorMessage);
return;
case UPLOAD_ERR_PARTIAL:
$this->context->addViolation($constraint->uploadPartialErrorMessage);
return;
case UPLOAD_ERR_NO_FILE:
$this->context->addViolation($constraint->uploadNoFileErrorMessage);
return;
case UPLOAD_ERR_NO_TMP_DIR:
$this->context->addViolation($constraint->uploadNoTmpDirErrorMessage);
return;
case UPLOAD_ERR_CANT_WRITE:
$this->context->addViolation($constraint->uploadCantWriteErrorMessage);
return;
case UPLOAD_ERR_EXTENSION:
$this->context->addViolation($constraint->uploadExtensionErrorMessage);
return;
default:
$this->context->addViolation($constraint->uploadErrorMessage);
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)) {
$this->context->addViolation($constraint->notFoundMessage, array('{{ file }}' => $path));
return;
}
if (!is_readable($path)) {
$this->context->addViolation($constraint->notReadableMessage, array('{{ file }}' => $path));
return;
}
if ($constraint->maxSize) {
if (ctype_digit((string) $constraint->maxSize)) {
$size = filesize($path);
$limit = (int) $constraint->maxSize;
$suffix = 'bytes';
} elseif (preg_match('/^\d++k$/', $constraint->maxSize)) {
$size = round(filesize($path) / 1000, 2);
$limit = (int) $constraint->maxSize;
$suffix = 'kB';
} elseif (preg_match('/^\d++M$/', $constraint->maxSize)) {
$size = round(filesize($path) / 1000000, 2);
$limit = (int) $constraint->maxSize;
$suffix = 'MB';
} else {
throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum size', $constraint->maxSize));
}
if ($size > $limit) {
$this->context->addViolation($constraint->maxSizeMessage, array(
'{{ size }}' => $size,
'{{ limit }}' => $limit,
'{{ suffix }}' => $suffix,
'{{ file }}' => $path,
));
return;
}
}
if ($constraint->mimeTypes) {
if (!$value instanceof FileObject) {
$value = new FileObject($value);
}
$mimeTypes = (array) $constraint->mimeTypes;
$mime = $value->getMimeType();
$valid = false;
foreach ($mimeTypes as $mimeType) {
if ($mimeType === $mime) {
$valid = true;
break;
}
if ($discrete = strstr($mimeType, '/*', true)) {
if (strstr($mime, '/', true) === $discrete) {
$valid = true;
break;
}
}
}
if (false === $valid) {
$this->context->addViolation($constraint->mimeTypesMessage, array(
'{{ type }}' => '"'.$mime.'"',
'{{ types }}' => '"'.implode('", "', $mimeTypes) .'"',
'{{ file }}' => $path,
));
}
}
}
}
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