1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
from pyramid.authentication import AuthTktCookieHelper
from pyramid.authorization import (
ACLHelper,
Authenticated,
Everyone,
)
from pyramid.csrf import CookieCSRFStoragePolicy
from pyramid.request import RequestLocalCache
from . import models
class MySecurityPolicy:
def __init__(self, secret):
self.authtkt = AuthTktCookieHelper(secret)
self.identity_cache = RequestLocalCache(self.load_identity)
self.acl = ACLHelper()
def load_identity(self, request):
identity = self.authtkt.identify(request)
if identity is None:
return None
userid = identity['userid']
user = request.dbsession.get(models.User, userid)
return user
def identity(self, request):
return self.identity_cache.get_or_create(request)
def authenticated_userid(self, request):
user = self.identity(request)
if user is not None:
return user.id
def remember(self, request, userid, **kw):
return self.authtkt.remember(request, userid, **kw)
def forget(self, request, **kw):
return self.authtkt.forget(request, **kw)
def permits(self, request, context, permission):
principals = self.effective_principals(request)
return self.acl.permits(context, principals, permission)
def effective_principals(self, request):
principals = [Everyone]
user = self.identity(request)
if user is not None:
principals.append(Authenticated)
principals.append('u:' + str(user.id))
principals.append('role:' + user.role)
return principals
def includeme(config):
settings = config.get_settings()
config.set_csrf_storage_policy(CookieCSRFStoragePolicy())
config.set_default_csrf_options(require_csrf=True)
config.set_security_policy(MySecurityPolicy(settings['auth.secret']))
|
