160 lines
5.5 KiB
PHP
160 lines
5.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\HttpFoundation\File\File as FileObject;
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use Symfony\Component\HttpFoundation\File\UploadedFile;
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/**
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* @author Bernhard Schussek <bschussek@gmail.com>
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*
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* @api
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*/
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class FileValidator extends ConstraintValidator
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{
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/**
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* Checks if the passed value is valid.
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*
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* @param mixed $value The value that should be validated
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* @param Constraint $constraint The constraint for the validation
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*
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* @api
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*/
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public function validate($value, Constraint $constraint)
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{
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if (null === $value || '' === $value) {
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return;
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}
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if ($value instanceof UploadedFile && !$value->isValid()) {
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switch ($value->getError()) {
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case UPLOAD_ERR_INI_SIZE:
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$maxSize = UploadedFile::getMaxFilesize();
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$maxSize = $constraint->maxSize ? min($maxSize, $constraint->maxSize) : $maxSize;
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$this->context->addViolation($constraint->uploadIniSizeErrorMessage, array('{{ limit }}' => $maxSize.' bytes'));
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return;
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case UPLOAD_ERR_FORM_SIZE:
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$this->context->addViolation($constraint->uploadFormSizeErrorMessage);
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return;
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case UPLOAD_ERR_PARTIAL:
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$this->context->addViolation($constraint->uploadPartialErrorMessage);
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return;
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case UPLOAD_ERR_NO_FILE:
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$this->context->addViolation($constraint->uploadNoFileErrorMessage);
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return;
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case UPLOAD_ERR_NO_TMP_DIR:
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$this->context->addViolation($constraint->uploadNoTmpDirErrorMessage);
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return;
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case UPLOAD_ERR_CANT_WRITE:
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$this->context->addViolation($constraint->uploadCantWriteErrorMessage);
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return;
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case UPLOAD_ERR_EXTENSION:
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$this->context->addViolation($constraint->uploadExtensionErrorMessage);
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return;
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default:
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$this->context->addViolation($constraint->uploadErrorMessage);
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return;
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}
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}
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if (!is_scalar($value) && !$value instanceof FileObject && !(is_object($value) && method_exists($value, '__toString'))) {
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throw new UnexpectedTypeException($value, 'string');
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}
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$path = $value instanceof FileObject ? $value->getPathname() : (string) $value;
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if (!is_file($path)) {
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$this->context->addViolation($constraint->notFoundMessage, array('{{ file }}' => $path));
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return;
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}
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if (!is_readable($path)) {
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$this->context->addViolation($constraint->notReadableMessage, array('{{ file }}' => $path));
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return;
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}
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if ($constraint->maxSize) {
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if (ctype_digit((string) $constraint->maxSize)) {
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$size = filesize($path);
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$limit = $constraint->maxSize;
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$suffix = ' bytes';
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} elseif (preg_match('/^(\d+)k$/', $constraint->maxSize, $matches)) {
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$size = round(filesize($path) / 1000, 2);
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$limit = $matches[1];
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$suffix = ' kB';
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} elseif (preg_match('/^(\d+)M$/', $constraint->maxSize, $matches)) {
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$size = round(filesize($path) / 1000000, 2);
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$limit = $matches[1];
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$suffix = ' MB';
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} else {
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throw new ConstraintDefinitionException(sprintf('"%s" is not a valid maximum size', $constraint->maxSize));
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}
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if ($size > $limit) {
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$this->context->addViolation($constraint->maxSizeMessage, array(
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'{{ size }}' => $size.$suffix,
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'{{ limit }}' => $limit.$suffix,
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'{{ file }}' => $path,
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));
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return;
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}
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}
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if ($constraint->mimeTypes) {
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if (!$value instanceof FileObject) {
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$value = new FileObject($value);
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}
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$mimeTypes = (array) $constraint->mimeTypes;
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$mime = $value->getMimeType();
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$valid = false;
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foreach ($mimeTypes as $mimeType) {
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if ($mimeType === $mime) {
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$valid = true;
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break;
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}
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if ($discrete = strstr($mimeType, '/*', true)) {
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if (strstr($mime, '/', true) === $discrete) {
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$valid = true;
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break;
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}
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}
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}
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if (false === $valid) {
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$this->context->addViolation($constraint->mimeTypesMessage, array(
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'{{ type }}' => '"'.$mime.'"',
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'{{ types }}' => '"'.implode('", "', $mimeTypes) .'"',
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'{{ file }}' => $path,
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));
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}
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}
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}
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}
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