Basic generic django file upload function. Compatible with Froala Editor.

gistfile1.py

from django.conf import settings
from django.core.files.storage import default_storage
from django.http import HttpResponse
import json
import os


def upload_file(request):
    if request.method.lower() != 'post':
        return HttpResponse('Invalid method {}. Only POST allowed.'.format(request.method.upper()), status=405)

    if not request.user or not request.user.is_authenticated():
        return HttpResponse('Forbidden', status=403)

    if not request.FILES:
        return HttpResponse('Invalid request', status=400)

    urls = []
    for key, file_obj in request.FILES.items():
        urls.append(default_storage.save(os.path.join(settings.MEDIA_ROOT, file_obj.name), file_obj))

    urls = map(lambda url: default_storage.url(url), urls)
    response = {
        'link': urls if len(urls) > 1 else urls[0] if urls else None
    }
    
    return HttpResponse(json.dumps(response))