Files
PyRIGS/PyRIGS/decorators.py
2015-04-19 17:08:16 +01:00

67 lines
2.4 KiB
Python

from django.contrib.auth import REDIRECT_FIELD_NAME
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.http import HttpResponseRedirect
def user_passes_test_with_403(test_func, login_url=None):
"""
Decorator for views that checks that the user passes the given test.
Anonymous users will be redirected to login_url, while users that fail
the test will be given a 403 error.
"""
if not login_url:
from django.conf import settings
login_url = settings.LOGIN_URL
def _dec(view_func):
def _checklogin(request, *args, **kwargs):
if test_func(request.user):
return view_func(request, *args, **kwargs)
elif not request.user.is_authenticated():
return HttpResponseRedirect('%s?%s=%s' % (login_url, REDIRECT_FIELD_NAME, request.get_full_path()))
else:
resp = render_to_response('403.html', context_instance=RequestContext(request))
resp.status_code = 403
return resp
_checklogin.__doc__ = view_func.__doc__
_checklogin.__dict__ = view_func.__dict__
return _checklogin
return _dec
def permission_required_with_403(perm, login_url=None):
"""
Decorator for views that checks whether a user has a particular permission
enabled, redirecting to the log-in page or rendering a 403 as necessary.
"""
return user_passes_test_with_403(lambda u: u.has_perm(perm), login_url=login_url)
from RIGS import models
def api_key_required(function):
"""
Decorator for views that checks api_pk and api_key.
Failed users will be given a 403 error.
Should only be used for urls which include <api_pk> and <api_key> kwargs
"""
def wrap(request, *args, **kwargs):
userid = kwargs.get('api_pk')
key = kwargs.get('api_key')
error_resp = render_to_response('403.html', context_instance=RequestContext(request))
error_resp.status_code = 403
if key is None:
return error_resp
if userid is None:
return error_resp
try:
user_object = models.Profile.objects.get(pk=userid)
except Profile.DoesNotExist:
return error_resp
if user_object.api_key != key:
return error_resp
return function(request, *args, **kwargs)
return wrap