You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
2.6 KiB
94 lines
2.6 KiB
/*
|
|
* 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 main
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"encoding/base64"
|
|
"fmt"
|
|
"regexp"
|
|
)
|
|
|
|
// credential container for access and secret keys.
|
|
type credential struct {
|
|
AccessKeyID string `json:"accessKey"`
|
|
SecretAccessKey string `json:"secretKey"`
|
|
}
|
|
|
|
// stringer colorized access keys.
|
|
func (a credential) String() string {
|
|
accessStr := colorMagenta("AccessKey: ") + colorWhite(a.AccessKeyID)
|
|
secretStr := colorMagenta("SecretKey: ") + colorWhite(a.SecretAccessKey)
|
|
return fmt.Sprint(accessStr + " " + secretStr)
|
|
}
|
|
|
|
const (
|
|
minioAccessID = 20
|
|
minioSecretID = 40
|
|
)
|
|
|
|
// isValidSecretKey - validate secret key.
|
|
var isValidSecretKey = regexp.MustCompile(`^.{8,40}$`)
|
|
|
|
// isValidAccessKey - validate access key.
|
|
var isValidAccessKey = regexp.MustCompile(`^[a-zA-Z0-9\\-\\.\\_\\~]{5,20}$`)
|
|
|
|
// mustGenAccessKeys - must generate access credentials.
|
|
func mustGenAccessKeys() (creds credential) {
|
|
creds, err := genAccessKeys()
|
|
fatalIf(err, "Unable to generate access keys.", nil)
|
|
return creds
|
|
}
|
|
|
|
// genAccessKeys - generate access credentials.
|
|
func genAccessKeys() (credential, error) {
|
|
accessKeyID, err := genAccessKeyID()
|
|
if err != nil {
|
|
return credential{}, err
|
|
}
|
|
secretAccessKey, err := genSecretAccessKey()
|
|
if err != nil {
|
|
return credential{}, err
|
|
}
|
|
creds := credential{
|
|
AccessKeyID: string(accessKeyID),
|
|
SecretAccessKey: string(secretAccessKey),
|
|
}
|
|
return creds, nil
|
|
}
|
|
|
|
// genAccessKeyID - generate random alpha numeric value using only uppercase characters
|
|
// takes input as size in integer
|
|
func genAccessKeyID() ([]byte, error) {
|
|
alpha := make([]byte, minioAccessID)
|
|
if _, err := rand.Read(alpha); err != nil {
|
|
return nil, err
|
|
}
|
|
for i := 0; i < minioAccessID; i++ {
|
|
alpha[i] = alphaNumericTable[alpha[i]%byte(len(alphaNumericTable))]
|
|
}
|
|
return alpha, nil
|
|
}
|
|
|
|
// genSecretAccessKey - generate random base64 numeric value from a random seed.
|
|
func genSecretAccessKey() ([]byte, error) {
|
|
rb := make([]byte, minioSecretID)
|
|
if _, err := rand.Read(rb); err != nil {
|
|
return nil, err
|
|
}
|
|
return []byte(base64.StdEncoding.EncodeToString(rb))[:minioSecretID], nil
|
|
}
|
|
|