blob: b6e60d0e1657a88ebd137c85f16485f7190836f5 (
plain) (
blame)
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
|
/*
* MinIO Go Library for Amazon S3 Compatible Cloud Storage
* Copyright 2017 MinIO, Inc.
*
* 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 credentials
import "os"
// A EnvAWS retrieves credentials from the environment variables of the
// running process. EnvAWSironment credentials never expire.
//
// EnvAWSironment variables used:
//
// * Access Key ID: AWS_ACCESS_KEY_ID or AWS_ACCESS_KEY.
// * Secret Access Key: AWS_SECRET_ACCESS_KEY or AWS_SECRET_KEY.
// * Secret Token: AWS_SESSION_TOKEN.
type EnvAWS struct {
retrieved bool
}
// NewEnvAWS returns a pointer to a new Credentials object
// wrapping the environment variable provider.
func NewEnvAWS() *Credentials {
return New(&EnvAWS{})
}
// Retrieve retrieves the keys from the environment.
func (e *EnvAWS) Retrieve() (Value, error) {
e.retrieved = false
id := os.Getenv("AWS_ACCESS_KEY_ID")
if id == "" {
id = os.Getenv("AWS_ACCESS_KEY")
}
secret := os.Getenv("AWS_SECRET_ACCESS_KEY")
if secret == "" {
secret = os.Getenv("AWS_SECRET_KEY")
}
signerType := SignatureV4
if id == "" || secret == "" {
signerType = SignatureAnonymous
}
e.retrieved = true
return Value{
AccessKeyID: id,
SecretAccessKey: secret,
SessionToken: os.Getenv("AWS_SESSION_TOKEN"),
SignerType: signerType,
}, nil
}
// IsExpired returns if the credentials have been retrieved.
func (e *EnvAWS) IsExpired() bool {
return !e.retrieved
}
|
