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from django.conf import settings
from django.http import HttpResponseRedirect, \
HttpResponsePermanentRedirect, get_host
SSL = 'SSL'
class SSLRedirect:
def process_view(self, request, view_func, view_args, view_kwargs):
if SSL in view_kwargs:
secure = view_kwargs[SSL]
del view_kwargs[SSL]
else:
secure = False
if not secure == self._is_secure(request):
return self._redirect(request, secure)
def _is_secure(self, request):
if request.is_secure():
return True
if 'HTTP_X_FORWARDED_SSL' in request.META:
return request.META['HTTP_X_FORWARDED_SSL'] == 'on'
return False
def _redirect(self, request, secure):
protocol = secure and "https" or "http"
newurl = "%s://%s%s" % (protocol,get_host(request),request.get_full_path())
if settings.DEBUG and request.method == 'POST':
raise RuntimeError, \
"""Django can't perform a SSL redirect while maintaining POST data.
Please structure your views so that redirects only occur during
GETs."""
return HttpResponsePermanentRedirect(newurl)