--- /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\HttpFoundation\File\File as FileObject;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class FileValidator extends ConstraintValidator
+{
+ const KB_BYTES = 1000;
+ const MB_BYTES = 1000000;
+ const KIB_BYTES = 1024;
+ const MIB_BYTES = 1048576;
+
+ private static $suffices = array(
+ 1 => 'bytes',
+ self::KB_BYTES => 'kB',
+ self::MB_BYTES => 'MB',
+ self::KIB_BYTES => 'KiB',
+ self::MIB_BYTES => 'MiB',
+ );
+
+ /**
+ * {@inheritdoc}
+ */
+ public function validate($value, Constraint $constraint)
+ {
+ if (!$constraint instanceof File) {
+ throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\File');
+ }
+
+ 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;
+ $binaryFormat = true;
+ }
+
+ list($sizeAsString, $limitAsString, $suffix) = $this->factorizeSizes(0, $limitInBytes, $binaryFormat);
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadIniSizeErrorMessage)
+ ->setParameter('{{ limit }}', $limitAsString)
+ ->setParameter('{{ suffix }}', $suffix)
+ ->setCode(UPLOAD_ERR_INI_SIZE)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadIniSizeErrorMessage)
+ ->setParameter('{{ limit }}', $limitAsString)
+ ->setParameter('{{ suffix }}', $suffix)
+ ->setCode(UPLOAD_ERR_INI_SIZE)
+ ->addViolation();
+ }
+
+ return;
+ case UPLOAD_ERR_FORM_SIZE:
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadFormSizeErrorMessage)
+ ->setCode(UPLOAD_ERR_FORM_SIZE)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadFormSizeErrorMessage)
+ ->setCode(UPLOAD_ERR_FORM_SIZE)
+ ->addViolation();
+ }
+
+ return;
+ case UPLOAD_ERR_PARTIAL:
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadPartialErrorMessage)
+ ->setCode(UPLOAD_ERR_PARTIAL)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadPartialErrorMessage)
+ ->setCode(UPLOAD_ERR_PARTIAL)
+ ->addViolation();
+ }
+
+ return;
+ case UPLOAD_ERR_NO_FILE:
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadNoFileErrorMessage)
+ ->setCode(UPLOAD_ERR_NO_FILE)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadNoFileErrorMessage)
+ ->setCode(UPLOAD_ERR_NO_FILE)
+ ->addViolation();
+ }
+
+ return;
+ case UPLOAD_ERR_NO_TMP_DIR:
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadNoTmpDirErrorMessage)
+ ->setCode(UPLOAD_ERR_NO_TMP_DIR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadNoTmpDirErrorMessage)
+ ->setCode(UPLOAD_ERR_NO_TMP_DIR)
+ ->addViolation();
+ }
+
+ return;
+ case UPLOAD_ERR_CANT_WRITE:
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadCantWriteErrorMessage)
+ ->setCode(UPLOAD_ERR_CANT_WRITE)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadCantWriteErrorMessage)
+ ->setCode(UPLOAD_ERR_CANT_WRITE)
+ ->addViolation();
+ }
+
+ return;
+ case UPLOAD_ERR_EXTENSION:
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadExtensionErrorMessage)
+ ->setCode(UPLOAD_ERR_EXTENSION)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadExtensionErrorMessage)
+ ->setCode(UPLOAD_ERR_EXTENSION)
+ ->addViolation();
+ }
+
+ return;
+ default:
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->uploadErrorMessage)
+ ->setCode($value->getError())
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->uploadErrorMessage)
+ ->setCode($value->getError())
+ ->addViolation();
+ }
+
+ return;
+ }
+ }
+
+ if (!is_scalar($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)) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->notFoundMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setCode(File::NOT_FOUND_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->notFoundMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setCode(File::NOT_FOUND_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+
+ if (!is_readable($path)) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->notReadableMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setCode(File::NOT_READABLE_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->notReadableMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setCode(File::NOT_READABLE_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+
+ $sizeInBytes = filesize($path);
+
+ if (0 === $sizeInBytes) {
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->disallowEmptyMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setCode(File::EMPTY_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->disallowEmptyMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setCode(File::EMPTY_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+
+ if ($constraint->maxSize) {
+ $limitInBytes = $constraint->maxSize;
+
+ if ($sizeInBytes > $limitInBytes) {
+ list($sizeAsString, $limitAsString, $suffix) = $this->factorizeSizes($sizeInBytes, $limitInBytes, $constraint->binaryFormat);
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->maxSizeMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setParameter('{{ size }}', $sizeAsString)
+ ->setParameter('{{ limit }}', $limitAsString)
+ ->setParameter('{{ suffix }}', $suffix)
+ ->setCode(File::TOO_LARGE_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->maxSizeMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setParameter('{{ size }}', $sizeAsString)
+ ->setParameter('{{ limit }}', $limitAsString)
+ ->setParameter('{{ suffix }}', $suffix)
+ ->setCode(File::TOO_LARGE_ERROR)
+ ->addViolation();
+ }
+
+ return;
+ }
+ }
+
+ if ($constraint->mimeTypes) {
+ if (!$value instanceof FileObject) {
+ $value = new FileObject($value);
+ }
+
+ $mimeTypes = (array) $constraint->mimeTypes;
+ $mime = $value->getMimeType();
+
+ foreach ($mimeTypes as $mimeType) {
+ if ($mimeType === $mime) {
+ return;
+ }
+
+ if ($discrete = strstr($mimeType, '/*', true)) {
+ if (strstr($mime, '/', true) === $discrete) {
+ return;
+ }
+ }
+ }
+
+ if ($this->context instanceof ExecutionContextInterface) {
+ $this->context->buildViolation($constraint->mimeTypesMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setParameter('{{ type }}', $this->formatValue($mime))
+ ->setParameter('{{ types }}', $this->formatValues($mimeTypes))
+ ->setCode(File::INVALID_MIME_TYPE_ERROR)
+ ->addViolation();
+ } else {
+ $this->buildViolation($constraint->mimeTypesMessage)
+ ->setParameter('{{ file }}', $this->formatValue($path))
+ ->setParameter('{{ type }}', $this->formatValue($mime))
+ ->setParameter('{{ types }}', $this->formatValues($mimeTypes))
+ ->setCode(File::INVALID_MIME_TYPE_ERROR)
+ ->addViolation();
+ }
+ }
+ }
+
+ private static function moreDecimalsThan($double, $numberOfDecimals)
+ {
+ return strlen((string) $double) > strlen(round($double, $numberOfDecimals));
+ }
+
+ /**
+ * Convert the limit to the smallest possible number
+ * (i.e. try "MB", then "kB", then "bytes").
+ */
+ private function factorizeSizes($size, $limit, $binaryFormat)
+ {
+ if ($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 / $coef, 2);
+ }
+
+ return array($sizeAsString, $limitAsString, self::$suffices[$coef]);
+ }
+}
projects / yaffs-website / blobdiff