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"""
contains :class:`ForumModeMiddleware`, which is
enabling support of closed forum mode
"""
from django.http import HttpResponseRedirect
from django.utils.translation import ugettext as _
from django.conf import settings
from django.core.urlresolvers import resolve
from askbot.shims.django_shims import ResolverMatch
from askbot.conf import settings as askbot_settings
PROTECTED_VIEW_MODULES = (
'askbot.views',
'askbot.feed',
)
ALLOWED_VIEWS = (
'askbot.views.meta.media',
)
def is_view_protected(view_func):
"""True if view belongs to one of the
protected view modules
"""
for protected_module in PROTECTED_VIEW_MODULES:
if view_func.__module__.startswith(protected_module):
return True
return False
def is_view_allowed(func):
"""True, if view is allowed to access
by the special rule
"""
if hasattr(func, '__name__'):
view_path = func.__module__ + '.' + func.__name__
elif hasattr(func, '__class__'):
view_path = func.__module__ + '.' + func.__class__.__name__
else:
view_path = ''
return view_path in ALLOWED_VIEWS
class ForumModeMiddleware(object):
"""protects forum views is the closed forum mode"""
def process_request(self, request):
"""when askbot is in the closed mode
it will let through only authenticated users.
All others will be redirected to the login url.
"""
if (askbot_settings.ASKBOT_CLOSED_FORUM_MODE
and request.user.is_anonymous()):
resolver_match = ResolverMatch(resolve(request.path))
internal_ips = getattr(settings, 'ASKBOT_INTERNAL_IPS', None)
if internal_ips and request.META['REMOTE_ADDR'] in internal_ips:
return None
if is_view_allowed(resolver_match.func):
return
if is_view_protected(resolver_match.func):
request.user.message_set.create(
_('Please log in to use %s') % \
askbot_settings.APP_SHORT_NAME
)
return HttpResponseRedirect(settings.LOGIN_URL)
return None
|
