File Mime Validator

• This module performs a server-side validation for the extension.
• It works on the upload type file field used in any entity.
• It can perform a more secure and reliable check on the file's mime type and compare that to the allowed file extensions.
• It helps in site making malicious type uploads free for security purposes.
• Logs the upload if found malicious i.e if not of the type of extension which is being requested.
• Provides extension configurable, so that it won't get outdated.

Installation

composer require 'drupal/file_mime_validator'
drush en file_mime_validator

Configuration

1. Navigate to Admin->Config->System->File Mime Validator
2. Configure file mime types by adding to default ones.