- November 13, 2012
- middleware django login login_required next
- 1 (after 1 ratings)
Based on onecreativenerd code.
Sometimes it's a real pain to use the @login_required decorator all over the views of a complicated site. This middleware requires login on every page by default and supports a list of regular expression to figure out the exceptions. This way you don't have to worry about forgetting to decorate a view.
This snippet requires LOGIN_URL to be set in settings.py, and optionally allows you fill out LOGIN_EXEMPT_URLS, a tuple of regular expressions (similar to urls.py) that lists your exceptions.
LOGIN_EXEMPT_URLS = ( r'^about.html$', r'^legal/', # allow the entire /legal/* subsection )
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# -*- coding: UTF-8 -*- # django dependencies from django.contrib.auth.views import redirect_to_login from django.contrib.auth import REDIRECT_FIELD_NAME from django.conf import settings # python dependencies from re import compile #---# EXEMPT_URLS = [compile(settings.LOGIN_URL.lstrip('/'))] if hasattr(settings, 'LOGIN_EXEMPT_URLS'): EXEMPT_URLS += [compile(expr) for expr in settings.LOGIN_EXEMPT_URLS] #---# class LoginRequiredMiddleware: """ Middleware that requires a user to be authenticated to view any page other than LOGIN_URL. Exemptions to this requirement can optionally be specified in settings via a list of regular expressions in LOGIN_EXEMPT_URLS (which you can copy from your urls.py). Requires authentication middleware and template context processors to be loaded. You'll get an error if they aren't. """ def process_request(self, request): assert hasattr(request, 'user'), "The Login Required middleware\ requires authentication middleware to be installed. Edit your\ MIDDLEWARE_CLASSES setting to insert\ 'django.contrib.auth.middlware.AuthenticationMiddleware'. If that doesn't\ work, ensure your TEMPLATE_CONTEXT_PROCESSORS setting includes\ 'django.core.context_processors.auth'." if not request.user.is_authenticated(): path = request.path_info.lstrip('/') if not any(m.match(path) for m in EXEMPT_URLS): path = request.get_full_path() return redirect_to_login(path, settings.LOGIN_URL, REDIRECT_FIELD_NAME) #---#
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