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Edit File: FileValidator.php

<?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]];
 }
}

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