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
|
package x509util
import (
"crypto/x509"
"os"
"path/filepath"
"strings"
"github.com/pkg/errors"
)
// ReadCertPool loads a certificate pool from disk. The given path can be a
// file, a directory, or a comma-separated list of files.
func ReadCertPool(path string) (*x509.CertPool, error) {
info, err := os.Stat(path)
if err != nil && !os.IsNotExist(err) {
return nil, errors.Wrap(err, "error reading cert pool")
}
var (
files []string
pool = x509.NewCertPool()
)
if info != nil && info.IsDir() {
finfos, err := os.ReadDir(path)
if err != nil {
return nil, errors.Wrap(err, "error reading cert pool")
}
for _, finfo := range finfos {
files = append(files, filepath.Join(path, finfo.Name()))
}
} else {
files = strings.Split(path, ",")
for i := range files {
files[i] = strings.TrimSpace(files[i])
}
}
var found bool
for _, f := range files {
bytes, err := os.ReadFile(f)
if err != nil {
return nil, errors.Wrap(err, "error reading cert pool")
}
if ok := pool.AppendCertsFromPEM(bytes); ok {
found = true
}
}
if !found {
return nil, errors.New("error reading cert pool: not certificates found")
}
return pool, nil
}
|
