forked from micro/micro
-
Notifications
You must be signed in to change notification settings - Fork 1
/
autocert.go
executable file
·62 lines (55 loc) · 1.86 KB
/
autocert.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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
// Copyright 2020 Asim Aslam
//
// 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
//
// https://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.
//
// Original source: github.com/micro/go-micro/v3/api/server/acme/autocert/autocert.go
// Package autocert is the ACME provider from golang.org/x/crypto/acme/autocert
// This provider does not take any config.
package autocert
import (
"crypto/tls"
"net"
"os"
"github.com/2637309949/micro/v3/service/logger"
"github.com/2637309949/micro/v3/util/acme"
"golang.org/x/crypto/acme/autocert"
)
// autoCertACME is the ACME provider from golang.org/x/crypto/acme/autocert
type autocertProvider struct{}
// Listen implements acme.Provider
func (a *autocertProvider) Listen(hosts ...string) (net.Listener, error) {
return autocert.NewListener(hosts...), nil
}
// TLSConfig returns a new tls config
func (a *autocertProvider) TLSConfig(hosts ...string) (*tls.Config, error) {
// create a new manager
m := &autocert.Manager{
Prompt: autocert.AcceptTOS,
}
if len(hosts) > 0 {
m.HostPolicy = autocert.HostWhitelist(hosts...)
}
dir := cacheDir()
if err := os.MkdirAll(dir, 0700); err != nil {
if logger.V(logger.InfoLevel, logger.DefaultLogger) {
logger.Infof("warning: autocert not using a cache: %v", err)
}
} else {
m.Cache = autocert.DirCache(dir)
}
return m.TLSConfig(), nil
}
// New returns an autocert acme.Provider
func NewProvider() acme.Provider {
return &autocertProvider{}
}