<?php
namespace MailPoetVendor\Symfony\Component\Validator\Constraints;
if (!defined('ABSPATH')) exit;
use MailPoetVendor\Symfony\Component\HttpFoundation\File\File as FileObject;
use MailPoetVendor\Symfony\Component\HttpFoundation\File\UploadedFile;
use MailPoetVendor\Symfony\Component\Mime\MimeTypes;
use MailPoetVendor\Symfony\Component\Validator\Constraint;
use MailPoetVendor\Symfony\Component\Validator\ConstraintValidator;
use MailPoetVendor\Symfony\Component\Validator\Exception\LogicException;
use MailPoetVendor\Symfony\Component\Validator\Exception\UnexpectedTypeException;
use MailPoetVendor\Symfony\Component\Validator\Exception\UnexpectedValueException;
class FileValidator extends ConstraintValidator
{
public const KB_BYTES = 1000;
public const MB_BYTES = 1000000;
public const KIB_BYTES = 1024;
public const MIB_BYTES = 1048576;
private const SUFFICES = [1 => 'bytes', self::KB_BYTES => 'kB', self::MB_BYTES => 'MB', self::KIB_BYTES => 'KiB', self::MIB_BYTES => 'MiB'];
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof File) {
throw new UnexpectedTypeException($constraint, File::class);
}
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 = $constraint->binaryFormat ?? \true;
}
[, $limitAsString, $suffix] = $this->factorizeSizes(0, $limitInBytes, $binaryFormat);
$this->context->buildViolation($constraint->uploadIniSizeErrorMessage)->setParameter('{{ limit }}', $limitAsString)->setParameter('{{ suffix }}', $suffix)->setCode((string) \UPLOAD_ERR_INI_SIZE)->addViolation();
return;
case \UPLOAD_ERR_FORM_SIZE:
$this->context->buildViolation($constraint->uploadFormSizeErrorMessage)->setCode((string) \UPLOAD_ERR_FORM_SIZE)->addViolation();
return;
case \UPLOAD_ERR_PARTIAL:
$this->context->buildViolation($constraint->uploadPartialErrorMessage)->setCode((string) \UPLOAD_ERR_PARTIAL)->addViolation();
return;
case \UPLOAD_ERR_NO_FILE:
$this->context->buildViolation($constraint->uploadNoFileErrorMessage)->setCode((string) \UPLOAD_ERR_NO_FILE)->addViolation();
return;
case \UPLOAD_ERR_NO_TMP_DIR:
$this->context->buildViolation($constraint->uploadNoTmpDirErrorMessage)->setCode((string) \UPLOAD_ERR_NO_TMP_DIR)->addViolation();
return;
case \UPLOAD_ERR_CANT_WRITE:
$this->context->buildViolation($constraint->uploadCantWriteErrorMessage)->setCode((string) \UPLOAD_ERR_CANT_WRITE)->addViolation();
return;
case \UPLOAD_ERR_EXTENSION:
$this->context->buildViolation($constraint->uploadExtensionErrorMessage)->setCode((string) \UPLOAD_ERR_EXTENSION)->addViolation();
return;
default:
$this->context->buildViolation($constraint->uploadErrorMessage)->setCode((string) $value->getError())->addViolation();
return;
}
}
if (!\is_scalar($value) && !$value instanceof FileObject && !(\is_object($value) && \method_exists($value, '__toString'))) {
throw new UnexpectedValueException($value, 'string');
}
$path = $value instanceof FileObject ? $value->getPathname() : (string) $value;
if (!\is_file($path)) {
$this->context->buildViolation($constraint->notFoundMessage)->setParameter('{{ file }}', $this->formatValue($path))->setCode(File::NOT_FOUND_ERROR)->addViolation();
return;
}
if (!\is_readable($path)) {
$this->context->buildViolation($constraint->notReadableMessage)->setParameter('{{ file }}', $this->formatValue($path))->setCode(File::NOT_READABLE_ERROR)->addViolation();
return;
}
$sizeInBytes = \filesize($path);
$basename = $value instanceof UploadedFile ? $value->getClientOriginalName() : \basename($path);
if (0 === $sizeInBytes) {
$this->context->buildViolation($constraint->disallowEmptyMessage)->setParameter('{{ file }}', $this->formatValue($path))->setParameter('{{ name }}', $this->formatValue($basename))->setCode(File::EMPTY_ERROR)->addViolation();
return;
}
if ($constraint->maxSize) {
$limitInBytes = $constraint->maxSize;
if ($sizeInBytes > $limitInBytes) {
[$sizeAsString, $limitAsString, $suffix] = $this->factorizeSizes($sizeInBytes, $limitInBytes, $constraint->binaryFormat);
$this->context->buildViolation($constraint->maxSizeMessage)->setParameter('{{ file }}', $this->formatValue($path))->setParameter('{{ size }}', $sizeAsString)->setParameter('{{ limit }}', $limitAsString)->setParameter('{{ suffix }}', $suffix)->setParameter('{{ name }}', $this->formatValue($basename))->setCode(File::TOO_LARGE_ERROR)->addViolation();
return;
}
}
if ($constraint->mimeTypes) {
if ($value instanceof FileObject) {
$mime = $value->getMimeType();
} elseif (\class_exists(MimeTypes::class)) {
$mime = MimeTypes::getDefault()->guessMimeType($path);
} elseif (!\class_exists(FileObject::class)) {
throw new LogicException('You cannot validate the mime-type of files as the Mime component is not installed. Try running "composer require symfony/mime".');
} else {
$mime = (new FileObject($value))->getMimeType();
}
$mimeTypes = (array) $constraint->mimeTypes;
foreach ($mimeTypes as $mimeType) {
if ($mimeType === $mime) {
return;
}
if ($discrete = \strstr($mimeType, '/*', \true)) {
if (\strstr($mime, '/', \true) === $discrete) {
return;
}
}
}
$this->context->buildViolation($constraint->mimeTypesMessage)->setParameter('{{ file }}', $this->formatValue($path))->setParameter('{{ type }}', $this->formatValue($mime))->setParameter('{{ types }}', $this->formatValues($mimeTypes))->setParameter('{{ name }}', $this->formatValue($basename))->setCode(File::INVALID_MIME_TYPE_ERROR)->addViolation();
}
}
private static function moreDecimalsThan(string $double, int $numberOfDecimals) : bool
{
return \strlen($double) > \strlen(\round($double, $numberOfDecimals));
}
private function factorizeSizes(int $size, $limit, bool $binaryFormat) : array
{
if ($binaryFormat) {
$coef = self::MIB_BYTES;
$coefFactor = self::KIB_BYTES;
} else {
$coef = self::MB_BYTES;
$coefFactor = self::KB_BYTES;
}
$limitAsString = (string) ($limit / $coef);
// Restrict the limit to 2 decimals (without rounding! we
// need the precise value)
while (self::moreDecimalsThan($limitAsString, 2)) {
$coef /= $coefFactor;
$limitAsString = (string) ($limit / $coef);
}
// Convert size to the same measure, but round to 2 decimals
$sizeAsString = (string) \round($size / $coef, 2);
// If the size and limit produce the same string output
// (due to rounding), reduce the coefficient
while ($sizeAsString === $limitAsString) {
$coef /= $coefFactor;
$limitAsString = (string) ($limit / $coef);
$sizeAsString = (string) \round($size / $coef, 2);
}
return [$sizeAsString, $limitAsString, self::SUFFICES[$coef]];
}
}