blob: c619464f69fcecea165bc2418c828422eb207eae (
plain)
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
|
# frozen_string_literal: true
module Gitlab
module Graphql
module Authorize
module AuthorizeResource
extend ActiveSupport::Concern
class_methods do
def required_permissions
# If the `#authorize` call is used on multiple classes, we add the
# permissions specified on a subclass, to the ones that were specified
# on it's superclass.
@required_permissions ||= if self.respond_to?(:superclass) && superclass.respond_to?(:required_permissions)
superclass.required_permissions.dup
else
[]
end
end
def authorize(*permissions)
required_permissions.concat(permissions)
end
end
def find_object(*args)
raise NotImplementedError, "Implement #find_object in #{self.class.name}"
end
def authorized_find(*args)
object = find_object(*args)
object if authorized?(object)
end
def authorized_find!(*args)
object = find_object(*args)
authorize!(object)
object
end
def authorize!(object)
unless authorized?(object)
raise Gitlab::Graphql::Errors::ResourceNotAvailable,
"The resource that you are attempting to access does not exist or you don't have permission to perform this action"
end
end
def authorized?(object)
# Sanity check. We don't want to accidentally allow a developer to authorize
# without first adding permissions to authorize against
if self.class.required_permissions.empty?
raise Gitlab::Graphql::Errors::ArgumentError, "#{self.class.name} has no authorizations"
end
self.class.required_permissions.all? do |ability|
# The actions could be performed across multiple objects. In which
# case the current user is common, and we could benefit from the
# caching in `DeclarativePolicy`.
Ability.allowed?(current_user, ability, object, scope: :user)
end
end
end
end
end
end
|