'Float', ]; private static $has_one = [ 'Folder' => Folder::class // From CustomFields ]; private static $table_name = 'EditableFileField'; /** * Further limit uploadable file extensions in addition to the restrictions * imposed by the File.allowed_extensions global configuration. * @config */ private static $allowed_extensions_blacklist = [ 'htm', 'html', 'xhtml', 'swf', 'xml' ]; /** * @return FieldList */ public function getCMSFields() { $fields = parent::getCMSFields(); $fields->addFieldToTab( 'Root.Main', TreeDropdownField::create( 'FolderID', _t('EditableUploadField.SELECTUPLOADFOLDER', 'Select upload folder'), Folder::class ) ); $fields->addFieldToTab("Root.Main", LiteralField::create( 'FileUploadWarning', '

' . _t( 'SilverStripe\\UserForms\\Model\\UserDefinedForm.FileUploadWarning', 'Files uploaded through this field could be publicly accessible if the exact URL is known' ) . '

' ), 'Type'); $fields->addFieldToTab( 'Root.Main', NumericField::create('MaxFileSizeMB') ->setTitle('Max File Size MB') ->setDescription("Note: Maximum php allowed size is {$this->getPHPMaxFileSizeMB()} MB") ); $fields->removeByName('Default'); return $fields; } /** * @return ValidationResult */ public function validate() { $result = parent::validate(); $max = static::get_php_max_file_size(); if ($this->MaxFileSizeMB * 1024 > $max) { $result->addError("Your max file size limit can't be larger than the server's limit of {$this->getPHPMaxFileSizeMB()}."); } return $result; } public function getFormField() { $field = FileField::create($this->Name, $this->Title ?: false) ->setFieldHolderTemplate(EditableFormField::class . '_holder') ->setTemplate(__CLASS__); $field->setFieldHolderTemplate(EditableFormField::class . '_holder') ->setTemplate(__CLASS__); $field->getValidator()->setAllowedExtensions( array_diff( // filter out '' since this would be a regex problem on JS end array_filter(Config::inst()->get(File::class, 'allowed_extensions')), $this->config()->get('allowed_extensions_blacklist') ) ); if ($this->MaxFileSizeMB > 0) { $field->getValidator()->setAllowedMaxFileSize($this->MaxFileSizeMB * 1024 * 1024); } else { $field->getValidator()->setAllowedMaxFileSize(static::get_php_max_file_size()); } $folder = $this->Folder(); if ($folder && $folder->exists()) { $field->setFolderName( preg_replace("/^assets\//", "", $folder->Filename) ); } $this->doUpdateFormField($field); return $field; } /** * Return the value for the database, link to the file is stored as a * relation so value for the field can be null. * * @return string */ public function getValueFromData() { return null; } public function getSubmittedFormField() { return SubmittedFileField::create(); } /** * @return float */ public static function get_php_max_file_size() { $maxUpload = File::ini2bytes(ini_get('upload_max_filesize')); $maxPost = File::ini2bytes(ini_get('post_max_size')); return min($maxUpload, $maxPost); } public function getPHPMaxFileSizeMB() { return round(static::get_php_max_file_size() / 1024 / 1024, 1); } }