storage.rules

rules_version = '2';
service firebase.storage {
  match /b/{bucket}/o {
    match /files-in-progress/{uid}/{fileId} {
    	allow create: if request.auth != null
      		&& request.auth.uid == uid
        	&& request.resource.metadata != null
        	&& request.resource.metadata.name is string
        	&& request.resource.metadata.name.size() > 3
        	&& request.resource.metadata.name.size() < 80
        	&& request.resource.metadata.type is string
        	&& request.resource.metadata.type in ['image', 'video', 'audio', 'other', 'text'];
    }

    match /users-files/{fileId} {
    	function isPublic() {
      	return resource != null && resource.metadata.public == "true";
      }
    	function isOwner() {
      	return resource != null && request.auth != null && resource.metadata.uid == request.auth.uid;
      }

    	allow get: if isPublic() || isOwner();
    }

    match /anon-files/{fileId} {
      allow create: if resource != null
      		&& resource.metadata != null
          && int(resource.metadata.expires) > request.time.toMillis()
          && !('expires' in request.resource.metadata)
          && request.resource.metadata.name is string;
  	}
  }
}