|
1
|
|
|
import { Injectable } from '@nestjs/common'; |
|
2
|
|
|
import { IRoleRbac } from './interfaces/role.rbac.interface'; |
|
3
|
|
|
import { IFilterPermission } from '../permissions/interfaces/filter.permission.interface'; |
|
4
|
|
|
import { IParamsFilter } from '../params-filter/interfaces/params.filter.interface'; |
|
5
|
|
|
|
|
6
|
|
|
@Injectable() |
|
7
|
|
|
export class RoleRbac implements IRoleRbac { |
|
8
|
|
|
constructor ( |
|
9
|
|
|
private readonly role: string, |
|
10
|
|
|
private readonly grant: string[], |
|
11
|
|
|
private readonly filters: object, |
|
12
|
|
|
private readonly paramsFilter?: IParamsFilter, |
|
13
|
|
|
) {} |
|
14
|
|
|
|
|
15
|
|
|
async canAsync (...permissions: string[]): Promise<boolean> { |
|
16
|
|
|
return this.checkPermissions<Promise<boolean>>(permissions, 'canAsync'); |
|
17
|
|
|
} |
|
18
|
|
|
|
|
19
|
|
|
can (...permissions: string[]): boolean { |
|
20
|
|
|
return this.checkPermissions<boolean>(permissions, 'can'); |
|
21
|
|
|
} |
|
22
|
|
|
|
|
23
|
|
|
any (...permissions: string[][]): boolean { |
|
24
|
|
|
// loop through the list of permission list |
|
25
|
|
|
return ( |
|
26
|
|
|
permissions |
|
27
|
|
|
.map(permission => { |
|
28
|
|
|
// check each of the permission list |
|
29
|
|
|
return this.can(...permission); |
|
30
|
|
|
}) |
|
31
|
|
|
// any permission list is true, then return true as result |
|
32
|
|
|
.some(result => result) |
|
33
|
|
|
); |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
|
|
async anyAsync (...permissions: string[][]): Promise<boolean> { |
|
37
|
|
|
return ( |
|
38
|
|
|
await Promise.all( |
|
39
|
|
|
permissions.map(async permission => { |
|
40
|
|
|
return await this.canAsync(...permission); |
|
41
|
|
|
}), |
|
42
|
|
|
) |
|
43
|
|
|
).some(result => result); |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
private checkPermissions<T> (permissions, methodName): T { |
|
47
|
|
|
if (!permissions.length) { |
|
48
|
|
|
return false as any; |
|
49
|
|
|
} |
|
50
|
|
|
// check grant |
|
51
|
|
|
for (const permission of permissions) { |
|
52
|
|
|
if (!this.grant.includes(permission)) { |
|
53
|
|
|
return false as any; |
|
54
|
|
|
} |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
// check custom filter |
|
58
|
|
|
for (const permission of permissions) { |
|
59
|
|
|
// check particular permission [permission@action] |
|
60
|
|
|
if (this.grant.includes(permission) && permission.includes('@')) { |
|
61
|
|
|
const filter: string = permission.split('@')[1]; |
|
62
|
|
|
const filterService: IFilterPermission = this.filters[filter]; |
|
63
|
|
|
if (filterService) { |
|
64
|
|
|
return ( |
|
65
|
|
|
filterService?.[methodName]?.( |
|
66
|
|
|
this.paramsFilter ? this.paramsFilter.getParam(filter) : null, |
|
67
|
|
|
) ?? true |
|
68
|
|
|
); |
|
69
|
|
|
} |
|
70
|
|
|
} |
|
71
|
|
|
// check particular permission [permission] |
|
72
|
|
|
if (this.grant.includes(permission) && !permission.includes('@')) { |
|
73
|
|
|
for (const filter in this.filters) { |
|
74
|
|
|
if ( |
|
75
|
|
|
this.filters.hasOwnProperty(filter) && |
|
76
|
|
|
this.grant.includes(`${permission}@${filter}`) |
|
77
|
|
|
) { |
|
78
|
|
|
return ( |
|
79
|
|
|
this.filters[filter]?.[methodName]?.( |
|
80
|
|
|
this.paramsFilter ? this.paramsFilter.getParam(filter) : null, |
|
81
|
|
|
) ?? true |
|
82
|
|
|
); |
|
83
|
|
|
} |
|
84
|
|
|
} |
|
85
|
|
|
} |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
return true as any; |
|
89
|
|
|
} |
|
90
|
|
|
} |
|
91
|
|
|
|
sergey-telpuk /
nestjs-rbac
