File diff 05371586159d → c929e2fddd46
pinaxcon/middleware.py
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new file 100644
 
import re
 
import warnings
 

	
 
from django import http
 
from django.conf import settings
 
from django.utils.deprecation import MiddlewareMixin
 

	
 
class UnprependWWWMiddleware(MiddlewareMixin):
 
    """ Unprepends www if necessary. """
 

	
 
    response_redirect_class = http.HttpResponsePermanentRedirect
 

	
 
    def process_request(self, request):
 
        """
 
        Rewrite the URL based on settings.UNPREPEND_WWW
 
        """
 

	
 
        unprepend_www = getattr(settings, "UNPREPEND_WWW", False)
 

	
 
        if not unprepend_www:
 
            return
 

	
 
        # Check for a redirect based on settings.UNPREPEND_WWW
 
        host = request.get_host()
 
        must_unprepend = unprepend_www and host and host.lower().startswith('www.')
 
        wwwless_host = host[4:]
 
        redirect_url = ('%s://%s' % (request.scheme, wwwless_host)) if must_unprepend else ''
 

	
 
        path = request.get_full_path()
 

	
 
        # Return a redirect if necessary
 
        if redirect_url or path != request.get_full_path():
 
            redirect_url += path
 
            return self.response_redirect_class(redirect_url)