--- /dev/null
+<?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\Context\ExecutionContextInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
+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
+{
+ /**
+ * {@inheritdoc}
+ */
+ public function validate($value, Constraint $constraint)
+ {
+ if (!$constraint instanceof Image) {
+ throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Image');
+ }
+
+ $violations = count($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->minRatio && null === $constraint->maxRatio
+ && $constraint->allowSquare && $constraint->allowLandscape && $constraint->allowPortrait) {
+ return;
+ }
+
+ $size = @getimagesize($value);
+
+ if (empty($size) || ($size[0] === 0) || ($size[1] === 0)) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->sizeNotDetectedMessage)
+ ->setCode(Image::SIZE_NOT_DETECTED_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->sizeNotDetectedMessage)
+ ->setCode(Image::SIZE_NOT_DETECTED_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+
+ $width = $size[0];
+ $height = $size[1];
+
+ if ($constraint->minWidth) {
+ if (!ctype_digit((string) $constraint->minWidth)) {
+ throw new ConstraintDefinitionException(sprintf('"%s" is not a valid minimum width', $constraint->minWidth));
+ }
+
+ if ($width < $constraint->minWidth) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->minWidthMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ min_width }}', $constraint->minWidth)
+ ->setCode(Image::TOO_NARROW_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->minWidthMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ min_width }}', $constraint->minWidth)
+ ->setCode(Image::TOO_NARROW_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+ }
+
+ if ($constraint->maxWidth) {
+ if (!ctype_digit((string) $constraint->maxWidth)) {
+ throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum width', $constraint->maxWidth));
+ }
+
+ if ($width > $constraint->maxWidth) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->maxWidthMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ max_width }}', $constraint->maxWidth)
+ ->setCode(Image::TOO_WIDE_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->maxWidthMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ max_width }}', $constraint->maxWidth)
+ ->setCode(Image::TOO_WIDE_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+ }
+
+ if ($constraint->minHeight) {
+ if (!ctype_digit((string) $constraint->minHeight)) {
+ throw new ConstraintDefinitionException(sprintf('"%s" is not a valid minimum height', $constraint->minHeight));
+ }
+
+ if ($height < $constraint->minHeight) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->minHeightMessage)
+ ->setParameter('{{ height }}', $height)
+ ->setParameter('{{ min_height }}', $constraint->minHeight)
+ ->setCode(Image::TOO_LOW_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->minHeightMessage)
+ ->setParameter('{{ height }}', $height)
+ ->setParameter('{{ min_height }}', $constraint->minHeight)
+ ->setCode(Image::TOO_LOW_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+ }
+
+ if ($constraint->maxHeight) {
+ if (!ctype_digit((string) $constraint->maxHeight)) {
+ throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum height', $constraint->maxHeight));
+ }
+
+ if ($height > $constraint->maxHeight) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->maxHeightMessage)
+ ->setParameter('{{ height }}', $height)
+ ->setParameter('{{ max_height }}', $constraint->maxHeight)
+ ->setCode(Image::TOO_HIGH_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->maxHeightMessage)
+ ->setParameter('{{ height }}', $height)
+ ->setParameter('{{ max_height }}', $constraint->maxHeight)
+ ->setCode(Image::TOO_HIGH_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 < $constraint->minRatio) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->minRatioMessage)
+ ->setParameter('{{ ratio }}', $ratio)
+ ->setParameter('{{ min_ratio }}', $constraint->minRatio)
+ ->setCode(Image::RATIO_TOO_SMALL_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->minRatioMessage)
+ ->setParameter('{{ ratio }}', $ratio)
+ ->setParameter('{{ min_ratio }}', $constraint->minRatio)
+ ->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 > $constraint->maxRatio) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->maxRatioMessage)
+ ->setParameter('{{ ratio }}', $ratio)
+ ->setParameter('{{ max_ratio }}', $constraint->maxRatio)
+ ->setCode(Image::RATIO_TOO_BIG_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->maxRatioMessage)
+ ->setParameter('{{ ratio }}', $ratio)
+ ->setParameter('{{ max_ratio }}', $constraint->maxRatio)
+ ->setCode(Image::RATIO_TOO_BIG_ERROR)
+ ->addViolation();
+ }
+ }
+ }
+
+ if (!$constraint->allowSquare && $width == $height) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->allowSquareMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ height }}', $height)
+ ->setCode(Image::SQUARE_NOT_ALLOWED_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->allowSquareMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ height }}', $height)
+ ->setCode(Image::SQUARE_NOT_ALLOWED_ERROR)
+ ->addViolation();
+ }
+ }
+
+ if (!$constraint->allowLandscape && $width > $height) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->allowLandscapeMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ height }}', $height)
+ ->setCode(Image::LANDSCAPE_NOT_ALLOWED_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->allowLandscapeMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ height }}', $height)
+ ->setCode(Image::LANDSCAPE_NOT_ALLOWED_ERROR)
+ ->addViolation();
+ }
+ }
+
+ if (!$constraint->allowPortrait && $width < $height) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->allowPortraitMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ height }}', $height)
+ ->setCode(Image::PORTRAIT_NOT_ALLOWED_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->allowPortraitMessage)
+ ->setParameter('{{ width }}', $width)
+ ->setParameter('{{ height }}', $height)
+ ->setCode(Image::PORTRAIT_NOT_ALLOWED_ERROR)
+ ->addViolation();
+ }
+ }
+ }
+}
projects / yaffs-website / blobdiff