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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
import functools
import json
import redis
import requests
from typing import Dict
from enum import Enum, unique
from urllib.parse import urljoin
@functools.total_ordering
class OrderedEnum(Enum):
@classmethod
@functools.lru_cache(None)
def _member_list(cls):
return list(cls)
def __lt__(self, other):
if self.__class__ is other.__class__:
member_list = self.__class__._member_list()
return member_list.index(self) < member_list.index(other)
return NotImplemented
@unique
class DataRole(OrderedEnum):
NO_ACCESS = "no-access"
VIEW = "view"
EDIT = "edit"
@unique
class AdminRole(OrderedEnum):
NOT_ADMIN = "not-admin"
EDIT_ACCESS = "edit-access"
EDIT_ADMINS = "edit-admins"
def get_user_membership(conn: redis.Redis, user_id: str,
group_id: str) -> Dict:
"""Return a dictionary that indicates whether the `user_id` is a
member or admin of `group_id`.
Args:
- conn: a Redis Connection with the responses decoded.
- user_id: a user's unique id
e.g. '8ad942fe-490d-453e-bd37-56f252e41603'
- group_id: a group's unique id
e.g. '7fa95d07-0e2d-4bc5-b47c-448fdc1260b2'
Returns:
A dict indicating whether the user is an admin or a member of
the group: {"member": True, "admin": False}
"""
results = {"member": False, "admin": False}
for key, value in conn.hgetall('groups').items():
if key == group_id:
group_info = json.loads(value)
if user_id in group_info.get("admins"):
results["admin"] = True
if user_id in group_info.get("members"):
results["member"] = True
break
return results
def get_highest_user_access_role(
resource_id: str,
user_id: str,
gn_proxy_url: str = "http://localhost:8080") -> Dict:
"""Get the highest access roles for a given user
Args:
- resource_id: The unique id of a given resource.
- user_id: The unique id of a given user.
- gn_proxy_url: The URL where gn-proxy is running.
Returns:
A dict indicating the highest access role the user has.
"""
role_mapping = {}
for x, y in zip(DataRole, AdminRole):
role_mapping.update({x.value: x, })
role_mapping.update({y.value: y, })
access_role = {}
for key, value in json.loads(
requests.get(urljoin(
gn_proxy_url,
("available?resource="
f"{resource_id}&user={user_id}"))).content).items():
access_role[key] = max(map(lambda x: role_mapping[x], value))
return access_role
|
