mirror of
https://github.com/octoleo/restic.git
synced 2024-11-14 01:04:05 +00:00
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
/*
|
|
* Minio Go Library for Amazon S3 Compatible Cloud Storage
|
|
* (C) 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
|
|
}
|