Monkey patch filebrowser_safe's get_path to return the name specified in THEMES for the current host rather than '' thereby restricting that domain to a sub directory of the uploads dir. The specified directory is created if it does not exist.

gistfile1.txt

import os
from copy import deepcopy

from django.conf import settings
from django.core.files.storage import default_storage

from mezzanine.core.request import current_request

from filebrowser_safe import functions
from filebrowser_safe.settings import DIRECTORY

original_get_path = deepcopy(functions.get_path)


def host_theme_restricted_get_path(path):
    """
    Monkey patch filebrowser_safe's get_path to return the name specified in
    HOST_THEMES for the current host rather than '' thereby restricting
    that domain to a sub directory of the uploads dir.  The specified
    directory is created if it does not exist.
    """
    request = current_request()
    host = request.get_host().split(":")[0].lower()
    try:
        dir_name = settings.HOST_THEMES[host]
    except KeyError:
        pass
    else:
        if not default_storage.isdir(os.path.join(DIRECTORY, dir_name)):
            os.makedirs(os.path.join(settings.MEDIA_ROOT, DIRECTORY, dir_name))
        if not path.split('/')[0] == dir_name:
            path = '%s/%s' % (dir_name, path)
    return original_get_path(path)
functions.get_path = host_theme_restricted_get_path