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Diffstat (limited to 'vendor/ipl/validator/src/FileValidator.php')
| -rw-r--r-- | vendor/ipl/validator/src/FileValidator.php | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/vendor/ipl/validator/src/FileValidator.php b/vendor/ipl/validator/src/FileValidator.php new file mode 100644 index 0000000..8c5b90e --- /dev/null +++ b/vendor/ipl/validator/src/FileValidator.php @@ -0,0 +1,248 @@ +<?php + +namespace ipl\Validator; + +use ipl\I18n\Translation; +use ipl\Stdlib\Str; +use LogicException; +use Psr\Http\Message\UploadedFileInterface; + +/** + * Validates an uploaded file + */ +class FileValidator extends BaseValidator +{ + use Translation; + + /** @var int Minimum allowed file size */ + protected $minSize; + + /** @var ?int Maximum allowed file size */ + protected $maxSize; + + /** @var ?string[] Allowed mime types */ + protected $allowedMimeTypes; + + /** @var ?int Maximum allowed file name length */ + protected $maxFileNameLength; + + /** + * Create a new FileValidator + * + * Optional options: + * - minSize: (int) Minimum allowed file size, by default 0 + * - maxSize: (int) Maximum allowed file size, by default no limit + * - maxFileNameLength: (int) Maximum allowed file name length, by default no limit + * - mimeType: (array) Allowed mime types, by default no restriction + */ + public function __construct(array $options = []) + { + $this + ->setMinSize($options['minSize'] ?? 0) + ->setMaxSize($options['maxSize'] ?? null) + ->setMaxFileNameLength($options['maxFileNameLength'] ?? null) + ->setAllowedMimeTypes($options['mimeType'] ?? null); + } + + /** + * Get the minimum allowed file size + * + * @return int + */ + public function getMinSize(): int + { + return $this->minSize; + } + + /** + * Set the minimum allowed file size + * + * @param int $minSize + * + * @return $this + */ + public function setMinSize(int $minSize): self + { + if (($max = $this->getMaxSize()) !== null && $minSize > $max) { + throw new LogicException( + sprintf( + 'The minSize must be less than or equal to the maxSize, but minSize: %d and maxSize: %d given.', + $minSize, + $max + ) + ); + } + + $this->minSize = $minSize; + + return $this; + } + + /** + * Get the maximum allowed file size + * + * @return ?int + */ + public function getMaxSize(): ?int + { + return $this->maxSize; + } + + /** + * Set the maximum allowed file size + * + * @param ?int $maxSize + * + * @return $this + */ + public function setMaxSize(?int $maxSize): self + { + if ($maxSize !== null && ($min = $this->getMinSize()) !== null && $maxSize < $min) { + throw new LogicException( + sprintf( + 'The minSize must be less than or equal to the maxSize, but minSize: %d and maxSize: %d given.', + $min, + $maxSize + ) + ); + } + + $this->maxSize = $maxSize; + + return $this; + } + + /** + * Get the allowed file mime types + * + * @return ?string[] + */ + public function getAllowedMimeTypes(): ?array + { + return $this->allowedMimeTypes; + } + + /** + * Set the allowed file mime types + * + * @param ?string[] $allowedMimeTypes + * + * @return $this + */ + public function setAllowedMimeTypes(?array $allowedMimeTypes): self + { + $this->allowedMimeTypes = $allowedMimeTypes; + + return $this; + } + + /** + * Get maximum allowed file name length + * + * @return ?int + */ + public function getMaxFileNameLength(): ?int + { + return $this->maxFileNameLength; + } + + /** + * Set maximum allowed file name length + * + * @param ?int $maxFileNameLength + * + * @return $this + */ + public function setMaxFileNameLength(?int $maxFileNameLength): self + { + $this->maxFileNameLength = $maxFileNameLength; + + return $this; + } + + public function isValid($value) + { + // Multiple isValid() calls must not stack validation messages + $this->clearMessages(); + + if (is_array($value)) { + foreach ($value as $file) { + if (! $this->validateFile($file)) { + return false; + } + } + + return true; + } + + return $this->validateFile($value); + } + + + private function validateFile(UploadedFileInterface $file): bool + { + $isValid = true; + if ($this->getMaxSize() && $file->getSize() > $this->getMaxSize()) { + $this->addMessage(sprintf( + $this->translate('File %s is bigger than the allowed maximum size of %d'), + $file->getClientFileName(), + $this->getMaxSize() + )); + + $isValid = false; + } + + if ($this->getMinSize() && $file->getSize() < $this->getMinSize()) { + $this->addMessage(sprintf( + $this->translate('File %s is smaller than the minimum required size of %d'), + $file->getClientFileName(), + $this->getMinSize() + )); + + $isValid = false; + } + + if ($this->getMaxFileNameLength()) { + $strValidator = new StringLengthValidator(['max' => $this->getMaxFileNameLength()]); + + if (! $strValidator->isValid($file->getClientFilename())) { + $this->addMessage(sprintf( + $this->translate('File name is longer than the allowed length of %d characters.'), + $this->maxFileNameLength + )); + + $isValid = false; + } + } + + if (! empty($this->getAllowedMimeTypes())) { + $hasAllowedMimeType = false; + foreach ($this->getAllowedMimeTypes() as $type) { + $fileMimetype = $file->getClientMediaType(); + if (($pos = strpos($type, '/*')) !== false) { // image/* + $typePrefix = substr($type, 0, $pos); + if (Str::startsWith($fileMimetype, $typePrefix)) { + $hasAllowedMimeType = true; + break; + } + } elseif ($fileMimetype === $type) { // image/png + $hasAllowedMimeType = true; + break; + } + } + + if (! $hasAllowedMimeType) { + $this->addMessage(sprintf( + $this->translate('File %s is of type %s. Only %s allowed.'), + $file->getClientFileName(), + $file->getClientMediaType(), + implode(', ', $this->allowedMimeTypes) + )); + + $isValid = false; + } + } + + return $isValid; + } +} |