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
|
// Copyright 2018 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package authn
type multiKeychain struct {
keychains []Keychain
}
// Assert that our multi-keychain implements Keychain.
var _ (Keychain) = (*multiKeychain)(nil)
// NewMultiKeychain composes a list of keychains into one new keychain.
func NewMultiKeychain(kcs ...Keychain) Keychain {
return &multiKeychain{keychains: kcs}
}
// Resolve implements Keychain.
func (mk *multiKeychain) Resolve(target Resource) (Authenticator, error) {
for _, kc := range mk.keychains {
auth, err := kc.Resolve(target)
if err != nil {
return nil, err
}
if auth != Anonymous {
return auth, nil
}
}
return Anonymous, nil
}
|
