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<?php declare(strict_types=1); |
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namespace Formularium\Validator; |
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use Formularium\Datatype; |
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use Formularium\Exception\ValidatorException; |
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use Formularium\Model; |
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use Formularium\MetadataParameter; |
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use Formularium\ValidatorInterface; |
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use Formularium\Metadata; |
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/** |
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* File validation |
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*/ |
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class File implements ValidatorInterface |
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{ |
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const MAX_SIZE = 'maxSize'; |
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/** |
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* Key for extension. Value can be array or string. |
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*/ |
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const ACCEPT = 'accept'; |
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const ACCEPT_AUDIO = 'audio/*'; |
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const ACCEPT_IMAGE = 'image/*'; |
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const ACCEPT_VIDEO = 'video/*'; |
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protected static function size(string $value, array $options = []): void |
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{ |
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$max_size = $options[self::MAX_SIZE] ?? 0; |
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if ($max_size > 0 && filesize($value) > $max_size) { |
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throw new ValidatorException( |
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'File too big. Maximum size: ' . $max_size |
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); |
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} |
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} |
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protected static function accept(string $value, array $options = []): void |
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{ |
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$accept = $options[self::ACCEPT]; |
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if (!is_array($accept)) { |
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$accept = [$accept]; |
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} |
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/** |
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* @var array $accept |
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*/ |
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$finfo = finfo_open(FILEINFO_MIME_TYPE); |
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if ($finfo === false) { |
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throw new ValidatorException( |
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'Cannot load fileinfo' |
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); |
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} |
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$mime = finfo_file($finfo, $value); |
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$valid = false; |
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foreach ($accept as $a) { |
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switch ($a) { |
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case self::ACCEPT_AUDIO: |
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$validMimes = [ |
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'audio/aac', |
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'audio/mpeg', |
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'audio/ogg', |
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'audio/wav', |
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'audio/webm', |
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]; |
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if (in_array($mime, $validMimes)) { |
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$valid = true; |
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break; |
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} |
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break; |
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case self::ACCEPT_IMAGE: |
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$validMimes = [ |
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'image/jpg', |
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'image/jpeg', |
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'image/gif', |
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'image/png', |
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'image/webp' |
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]; |
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if (in_array($mime, $validMimes)) { |
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$valid = true; |
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break; |
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} |
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break; |
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case self::ACCEPT_VIDEO: |
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$validMimes = [ |
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'video/x-flv', |
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'video/mp4', |
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'video/mpeg', |
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'application/x-mpegURL', |
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'video/MP2T', |
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'video/3gpp', |
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'video/ogg', |
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'video/quicktime', |
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'video/x-msvideo', |
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'video/x-ms-wmv', |
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'video/webm', |
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]; |
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if (in_array($mime, $validMimes)) { |
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$valid = true; |
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break; |
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} |
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break; |
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} |
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} |
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// TODO: 'accept' renderable |
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if (!$valid) { |
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throw new ValidatorException( |
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'Not an accepted file' |
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); |
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} |
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} |
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public static function validate($value, array $options = [], ?Model $model = null) |
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{ |
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if (!file_exists($value)) { |
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throw new ValidatorException( |
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'Not a file' . $value |
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); |
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} |
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self::size($value, $options); |
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if ($options[self::ACCEPT] ?? false) { |
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self::accept($value, $options); |
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} |
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return $value; |
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} |
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public static function getMetadata(): Metadata |
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{ |
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return new Metadata( |
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'File', |
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"File validations.", |
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[ |
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new MetadataParameter( |
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self::MAX_SIZE, |
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'Int', |
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'Maximum file size in bytes' |
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), |
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new MetadataParameter( |
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self::ACCEPT, |
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'[String]', |
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'Acceptable types' |
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) |
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] |
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); |
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} |
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} |
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Corollarium /
Formularium
