This repository has been archived by the owner on Jul 12, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 311
/
config.go
39 lines (34 loc) · 1.58 KB
/
config.go
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
// Copyright 2020 Google LLC
//
// 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 revision defines the internal structure of the revision token
// and utilities for marshal/unmarshal which also encrypts/decrypts the payload.
package revision
import "github.com/google/exposure-notifications-server/pkg/base64util"
// Config represents the configuration and associated environment variables
// for handling revision tokens.
type Config struct {
// Crypto key to use for wrapping/unwrapping the revision token cipher blocks.
KeyID string `env:"REVISION_TOKEN_KEY_ID"`
AAD Base64Bytes `env:"REVISION_TOKEN_AAD"` // must be base64 encoded, may come from secret://
MinLength uint `env:"REVISION_TOKEN_MIN_LENGTH, default=28"`
}
// Base64Bytes is a type that parses a base64-encoded string into a []byte.
type Base64Bytes []byte
// EnvDecode implements envconfig.Decoder to decode a base64 value into a
// []byte. If an error occurs, it is returned.
func (b *Base64Bytes) EnvDecode(val string) error {
var err error
*b, err = base64util.DecodeString(val)
return err
}