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middleware.py
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middleware.py
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# -*- coding: utf-8 -*-
from django.core import urlresolvers
from django.core.exceptions import ImproperlyConfigured
from intruder.models import IntruderRule, UrlIntruderRule, ViewIntruderRule
class IntruderMiddleware(object):
def process_rule(self, request, rule):
if not rule:
return # if there is no rules to this path, Django-Intruder do nothing.
if not hasattr(request, 'user'):
raise ImproperlyConfigured(
"Django-Intruder requires the"
" authentication middleware to be installed. Edit your"
" MIDDLEWARE_CLASSES setting to insert"
" 'django.contrib.auth.middleware.AuthenticationMiddleware'"
" before the IntruderMiddleware class.")
if rule.super_user_can_ignore_this_rule and request.user.is_superuser:
return # user has permission to ignore this rule
if rule.user_with_permission_can_ignore_this_rule and request.user.has_perm(IntruderRule.PERMISSION_KEY):
return # user has permission to ignore this rule
try:
return urlresolvers.get_callable(rule.redirect_view)(request)
except:
# it the view is no longer invalid (text injection or deprecated view), the intruder rule will be ignore
return
def process_request(self, request):
try:
if request.path_info.startswith('/admin'):
return None
rule = UrlIntruderRule.objects.get_first_rule_that_matches_this_url(request.path_info)
return self.process_rule(request, rule)
except:
# If any error occur in the middleware, it will be ignored and the original view will be processed normally.
return None
def process_view(self, request, view_func, view_args, view_kwargs):
try:
if request.path_info.startswith('/admin'):
return None
view_name = '%s.%s' % (view_func.__module__, view_func.__name__) # view_func.func_name has problems
rule = ViewIntruderRule.objects.get_first_rule_that_matches_this_view_name(view_name)
return self.process_rule(request, rule)
except:
# If any error occur in the middleware, it will be ignored and the original view will be processed normally.
return None