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
|
/*
GoToSocial
Copyright (C) GoToSocial Authors admin@gotosocial.org
SPDX-License-Identifier: AGPL-3.0-or-later
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { createContext, useContext } from "react";
const RoleContext = createContext<string[]>([]);
const BaseUrlContext = createContext<string>("");
const MenuLevelContext = createContext<number>(0);
function urlSafe(str: string) {
return str.toLowerCase().replace(/[\s/]+/g, "-");
}
function useHasPermission(permissions: string[] | undefined) {
const roles = useContext<string[]>(RoleContext);
return checkPermission(permissions, roles);
}
// checkPermission returns true if the user's roles
// include requiredPermissions, or false otherwise.
function checkPermission(requiredPermissions: string[] | undefined, userRoles: string[]): boolean {
if (requiredPermissions === undefined) {
// No perms defined, so user
// implicitly has permission.
return true;
}
if (requiredPermissions.length === 0) {
// No perms defined, so user
// implicitly has permission.
return true;
}
// Check if one of the user's
// roles is sufficient.
return userRoles.some((role) => {
if (role === "admin") {
// Admins can
// see everything.
return true;
}
return requiredPermissions.includes(role);
});
}
function useBaseUrl() {
return useContext(BaseUrlContext);
}
function useMenuLevel() {
return useContext(MenuLevelContext);
}
export {
urlSafe,
RoleContext,
useHasPermission,
checkPermission,
BaseUrlContext,
useBaseUrl,
MenuLevelContext,
useMenuLevel,
};
|
