139 lines
3.7 KiB
Go
139 lines
3.7 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2015, 2016 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 cmd
|
|
|
|
import (
|
|
"crypto/x509"
|
|
"encoding/pem"
|
|
"errors"
|
|
"io/ioutil"
|
|
"path/filepath"
|
|
)
|
|
|
|
// getCertsPath get certs path.
|
|
func getCertsPath() string {
|
|
return filepath.Join(getConfigDir(), globalMinioCertsDir)
|
|
}
|
|
|
|
// getCertFile must get cert file.
|
|
func getCertFile() string {
|
|
return filepath.Join(getCertsPath(), globalMinioCertFile)
|
|
}
|
|
|
|
// getKeyFile must get key file.
|
|
func getKeyFile() string {
|
|
return filepath.Join(getCertsPath(), globalMinioKeyFile)
|
|
}
|
|
|
|
// createCertsPath create certs path.
|
|
func createCertsPath() error {
|
|
rootCAsPath := filepath.Join(getCertsPath(), globalMinioCertsCADir)
|
|
return mkdirAll(rootCAsPath, 0700)
|
|
}
|
|
|
|
// getCAFiles must get the list of the CA certificates stored in minio config dir
|
|
func getCAFiles() (caCerts []string) {
|
|
CAsDir := filepath.Join(getCertsPath(), globalMinioCertsCADir)
|
|
if caFiles, err := ioutil.ReadDir(CAsDir); err == nil {
|
|
// Ignore any error.
|
|
for _, cert := range caFiles {
|
|
caCerts = append(caCerts, filepath.Join(CAsDir, cert.Name()))
|
|
}
|
|
}
|
|
return caCerts
|
|
}
|
|
|
|
// getSystemCertPool returns empty cert pool in case of error (windows)
|
|
func getSystemCertPool() *x509.CertPool {
|
|
pool, err := x509.SystemCertPool()
|
|
if err != nil {
|
|
pool = x509.NewCertPool()
|
|
}
|
|
|
|
return pool
|
|
}
|
|
|
|
// isCertFileExists verifies if cert file exists, returns true if
|
|
// found, false otherwise.
|
|
func isCertFileExists() bool {
|
|
return isFile(getCertFile())
|
|
}
|
|
|
|
// isKeyFileExists verifies if key file exists, returns true if found,
|
|
// false otherwise.
|
|
func isKeyFileExists() bool {
|
|
return isFile(getKeyFile())
|
|
}
|
|
|
|
// isSSL - returns true with both cert and key exists.
|
|
func isSSL() bool {
|
|
return isCertFileExists() && isKeyFileExists()
|
|
}
|
|
|
|
// Reads certificated file and returns a list of parsed certificates.
|
|
func readCertificateChain() ([]*x509.Certificate, error) {
|
|
bytes, err := ioutil.ReadFile(getCertFile())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Proceed to parse the certificates.
|
|
return parseCertificateChain(bytes)
|
|
}
|
|
|
|
// Parses certificate chain, returns a list of parsed certificates.
|
|
func parseCertificateChain(bytes []byte) ([]*x509.Certificate, error) {
|
|
var certs []*x509.Certificate
|
|
var block *pem.Block
|
|
current := bytes
|
|
|
|
// Parse all certs in the chain.
|
|
for len(current) > 0 {
|
|
block, current = pem.Decode(current)
|
|
if block == nil {
|
|
return nil, errors.New("Could not PEM block")
|
|
}
|
|
// Parse the decoded certificate.
|
|
cert, err := x509.ParseCertificate(block.Bytes)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
certs = append(certs, cert)
|
|
|
|
}
|
|
return certs, nil
|
|
}
|
|
|
|
// loadRootCAs fetches CA files provided in minio config and adds them to globalRootCAs
|
|
// Currently under Windows, there is no way to load system + user CAs at the same time
|
|
func loadRootCAs() {
|
|
caFiles := getCAFiles()
|
|
if len(caFiles) == 0 {
|
|
return
|
|
}
|
|
// Get system cert pool, and empty cert pool under Windows because it is not supported
|
|
globalRootCAs = getSystemCertPool()
|
|
// Load custom root CAs for client requests
|
|
for _, caFile := range caFiles {
|
|
caCert, err := ioutil.ReadFile(caFile)
|
|
if err != nil {
|
|
fatalIf(err, "Unable to load a CA file")
|
|
}
|
|
globalRootCAs.AppendCertsFromPEM(caCert)
|
|
}
|
|
}
|