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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
// Copyright 2015 Matthew Holt and The Caddy Authors
//
// 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 caddytls
import (
"crypto/x509"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/caddyserver/caddy/v2"
)
func init() {
caddy.RegisterModule(LeafFolderLoader{})
}
// LeafFolderLoader loads certificates and their associated keys from disk
// by recursively walking the specified directories, looking for PEM
// files which contain both a certificate and a key.
type LeafFolderLoader struct {
Folders []string `json:"folders,omitempty"`
}
// CaddyModule returns the Caddy module information.
func (LeafFolderLoader) CaddyModule() caddy.ModuleInfo {
return caddy.ModuleInfo{
ID: "tls.leaf_cert_loader.folder",
New: func() caddy.Module { return new(LeafFolderLoader) },
}
}
// Provision implements caddy.Provisioner.
func (fl *LeafFolderLoader) Provision(ctx caddy.Context) error {
repl, ok := ctx.Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
if !ok {
repl = caddy.NewReplacer()
}
for k, path := range fl.Folders {
fl.Folders[k] = repl.ReplaceKnown(path, "")
}
return nil
}
// LoadLeafCertificates loads all the leaf certificates in the directories
// listed in fl from all files ending with .pem.
func (fl LeafFolderLoader) LoadLeafCertificates() ([]*x509.Certificate, error) {
var certs []*x509.Certificate
for _, dir := range fl.Folders {
err := filepath.Walk(dir, func(fpath string, info os.FileInfo, err error) error {
if err != nil {
return fmt.Errorf("unable to traverse into path: %s", fpath)
}
if info.IsDir() {
return nil
}
if !strings.HasSuffix(strings.ToLower(info.Name()), ".pem") {
return nil
}
certData, err := convertPEMFilesToDERBytes(fpath)
if err != nil {
return err
}
cert, err := x509.ParseCertificate(certData)
if err != nil {
return fmt.Errorf("%s: %w", fpath, err)
}
certs = append(certs, cert)
return nil
})
if err != nil {
return nil, err
}
}
return certs, nil
}
var (
_ LeafCertificateLoader = (*LeafFolderLoader)(nil)
_ caddy.Provisioner = (*LeafFolderLoader)(nil)
)
|
