289 lines
11 KiB
PHP
289 lines
11 KiB
PHP
|
<?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\HttpFoundation\File\File;
|
||
|
|
use Symfony\Component\Mime\MimeTypes;
|
||
|
|
use Symfony\Component\Validator\Constraint;
|
||
|
|
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
|
||
|
|
use Symfony\Component\Validator\Exception\LogicException;
|
||
|
|
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validates whether a value is a valid image file and is valid
|
||
|
|
* against minWidth, maxWidth, minHeight and maxHeight constraints.
|
||
|
|
*
|
||
|
|
* @author Benjamin Dulau <benjamin.dulau@gmail.com>
|
||
|
|
* @author Bernhard Schussek <bschussek@gmail.com>
|
||
|
|
*/
|
||
|
|
class ImageValidator extends FileValidator
|
||
|
|
{
|
||
|
|
public function validate(mixed $value, Constraint $constraint): void
|
||
|
|
{
|
||
|
|
if (!$constraint instanceof Image) {
|
||
|
|
throw new UnexpectedTypeException($constraint, Image::class);
|
||
|
|
}
|
||
|
|
|
||
|
|
$violations = \count($this->context->getViolations());
|
||
|
|
|
||
|
|
parent::validate($value, $constraint);
|
||
|
|
|
||
|
|
$failed = \count($this->context->getViolations()) !== $violations;
|
||
|
|
|
||
|
|
if ($failed || null === $value || '' === $value) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $constraint->minWidth && null === $constraint->maxWidth
|
||
|
|
&& null === $constraint->minHeight && null === $constraint->maxHeight
|
||
|
|
&& null === $constraint->minPixels && null === $constraint->maxPixels
|
||
|
|
&& null === $constraint->minRatio && null === $constraint->maxRatio
|
||
|
|
&& $constraint->allowSquare && $constraint->allowLandscape && $constraint->allowPortrait
|
||
|
|
&& !$constraint->detectCorrupted) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$isSvg = $this->isSvg($value);
|
||
|
|
|
||
|
|
if ($isSvg) {
|
||
|
|
$size = $this->getSvgSize($value);
|
||
|
|
} else {
|
||
|
|
$size = @getimagesize($value);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$size || (0 === $size[0]) || (0 === $size[1])) {
|
||
|
|
$this->context->buildViolation($constraint->sizeNotDetectedMessage)
|
||
|
|
->setCode(Image::SIZE_NOT_DETECTED_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$width = $size[0];
|
||
|
|
$height = $size[1];
|
||
|
|
|
||
|
|
if (!$isSvg && $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) {
|
||
|
|
$this->context->buildViolation($constraint->minWidthMessage)
|
||
|
|
->setParameter('{{ width }}', $width)
|
||
|
|
->setParameter('{{ min_width }}', $constraint->minWidth)
|
||
|
|
->setCode(Image::TOO_NARROW_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$isSvg && $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) {
|
||
|
|
$this->context->buildViolation($constraint->maxWidthMessage)
|
||
|
|
->setParameter('{{ width }}', $width)
|
||
|
|
->setParameter('{{ max_width }}', $constraint->maxWidth)
|
||
|
|
->setCode(Image::TOO_WIDE_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$isSvg && $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) {
|
||
|
|
$this->context->buildViolation($constraint->minHeightMessage)
|
||
|
|
->setParameter('{{ height }}', $height)
|
||
|
|
->setParameter('{{ min_height }}', $constraint->minHeight)
|
||
|
|
->setCode(Image::TOO_LOW_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$isSvg && $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) {
|
||
|
|
$this->context->buildViolation($constraint->maxHeightMessage)
|
||
|
|
->setParameter('{{ height }}', $height)
|
||
|
|
->setParameter('{{ max_height }}', $constraint->maxHeight)
|
||
|
|
->setCode(Image::TOO_HIGH_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$pixels = $width * $height;
|
||
|
|
|
||
|
|
if (!$isSvg && null !== $constraint->minPixels) {
|
||
|
|
if (!ctype_digit((string) $constraint->minPixels)) {
|
||
|
|
throw new ConstraintDefinitionException(\sprintf('"%s" is not a valid minimum amount of pixels.', $constraint->minPixels));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($pixels < $constraint->minPixels) {
|
||
|
|
$this->context->buildViolation($constraint->minPixelsMessage)
|
||
|
|
->setParameter('{{ pixels }}', $pixels)
|
||
|
|
->setParameter('{{ min_pixels }}', $constraint->minPixels)
|
||
|
|
->setParameter('{{ height }}', $height)
|
||
|
|
->setParameter('{{ width }}', $width)
|
||
|
|
->setCode(Image::TOO_FEW_PIXEL_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$isSvg && null !== $constraint->maxPixels) {
|
||
|
|
if (!ctype_digit((string) $constraint->maxPixels)) {
|
||
|
|
throw new ConstraintDefinitionException(\sprintf('"%s" is not a valid maximum amount of pixels.', $constraint->maxPixels));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($pixels > $constraint->maxPixels) {
|
||
|
|
$this->context->buildViolation($constraint->maxPixelsMessage)
|
||
|
|
->setParameter('{{ pixels }}', $pixels)
|
||
|
|
->setParameter('{{ max_pixels }}', $constraint->maxPixels)
|
||
|
|
->setParameter('{{ height }}', $height)
|
||
|
|
->setParameter('{{ width }}', $width)
|
||
|
|
->setCode(Image::TOO_MANY_PIXEL_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$ratio = round($width / $height, 2);
|
||
|
|
|
||
|
|
if (null !== $constraint->minRatio) {
|
||
|
|
if (!is_numeric((string) $constraint->minRatio)) {
|
||
|
|
throw new ConstraintDefinitionException(\sprintf('"%s" is not a valid minimum ratio.', $constraint->minRatio));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($ratio < round($constraint->minRatio, 2)) {
|
||
|
|
$this->context->buildViolation($constraint->minRatioMessage)
|
||
|
|
->setParameter('{{ ratio }}', $ratio)
|
||
|
|
->setParameter('{{ min_ratio }}', round($constraint->minRatio, 2))
|
||
|
|
->setCode(Image::RATIO_TOO_SMALL_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null !== $constraint->maxRatio) {
|
||
|
|
if (!is_numeric((string) $constraint->maxRatio)) {
|
||
|
|
throw new ConstraintDefinitionException(\sprintf('"%s" is not a valid maximum ratio.', $constraint->maxRatio));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($ratio > round($constraint->maxRatio, 2)) {
|
||
|
|
$this->context->buildViolation($constraint->maxRatioMessage)
|
||
|
|
->setParameter('{{ ratio }}', $ratio)
|
||
|
|
->setParameter('{{ max_ratio }}', round($constraint->maxRatio, 2))
|
||
|
|
->setCode(Image::RATIO_TOO_BIG_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$constraint->allowSquare && $width == $height) {
|
||
|
|
$this->context->buildViolation($constraint->allowSquareMessage)
|
||
|
|
->setParameter('{{ width }}', $width)
|
||
|
|
->setParameter('{{ height }}', $height)
|
||
|
|
->setCode(Image::SQUARE_NOT_ALLOWED_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$constraint->allowLandscape && $width > $height) {
|
||
|
|
$this->context->buildViolation($constraint->allowLandscapeMessage)
|
||
|
|
->setParameter('{{ width }}', $width)
|
||
|
|
->setParameter('{{ height }}', $height)
|
||
|
|
->setCode(Image::LANDSCAPE_NOT_ALLOWED_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$constraint->allowPortrait && $width < $height) {
|
||
|
|
$this->context->buildViolation($constraint->allowPortraitMessage)
|
||
|
|
->setParameter('{{ width }}', $width)
|
||
|
|
->setParameter('{{ height }}', $height)
|
||
|
|
->setCode(Image::PORTRAIT_NOT_ALLOWED_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($constraint->detectCorrupted) {
|
||
|
|
if (!\function_exists('imagecreatefromstring')) {
|
||
|
|
throw new LogicException('Corrupted images detection requires installed and enabled GD extension.');
|
||
|
|
}
|
||
|
|
|
||
|
|
$resource = @imagecreatefromstring(file_get_contents($value));
|
||
|
|
|
||
|
|
if (false === $resource) {
|
||
|
|
$this->context->buildViolation($constraint->corruptedMessage)
|
||
|
|
->setCode(Image::CORRUPTED_IMAGE_ERROR)
|
||
|
|
->addViolation();
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private function isSvg(mixed $value): bool
|
||
|
|
{
|
||
|
|
if ($value instanceof File) {
|
||
|
|
$mime = $value->getMimeType();
|
||
|
|
} elseif (class_exists(MimeTypes::class)) {
|
||
|
|
$mime = MimeTypes::getDefault()->guessMimeType($value);
|
||
|
|
} elseif (!class_exists(File::class)) {
|
||
|
|
return false;
|
||
|
|
} else {
|
||
|
|
$mime = (new File($value))->getMimeType();
|
||
|
|
}
|
||
|
|
|
||
|
|
return 'image/svg+xml' === $mime;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array{int, int}|null index 0 and 1 contains respectively the width and the height of the image, null if size can't be found
|
||
|
|
*/
|
||
|
|
private function getSvgSize(mixed $value): ?array
|
||
|
|
{
|
||
|
|
if ($value instanceof File) {
|
||
|
|
$content = $value->getContent();
|
||
|
|
} elseif (!class_exists(File::class)) {
|
||
|
|
return null;
|
||
|
|
} else {
|
||
|
|
$content = (new File($value))->getContent();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (1 === preg_match('/<svg[^<>]+width="(?<width>[0-9]+)"[^<>]*>/', $content, $widthMatches)) {
|
||
|
|
$width = (int) $widthMatches['width'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (1 === preg_match('/<svg[^<>]+height="(?<height>[0-9]+)"[^<>]*>/', $content, $heightMatches)) {
|
||
|
|
$height = (int) $heightMatches['height'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (1 === preg_match('/<svg[^<>]+viewBox="-?[0-9]+ -?[0-9]+ (?<width>-?[0-9]+) (?<height>-?[0-9]+)"[^<>]*>/', $content, $viewBoxMatches)) {
|
||
|
|
$width ??= (int) $viewBoxMatches['width'];
|
||
|
|
$height ??= (int) $viewBoxMatches['height'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isset($width) && isset($height)) {
|
||
|
|
return [$width, $height];
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|