minio/auth-config.go
2015-10-16 11:26:08 -07:00

128 lines
3.1 KiB
Go

/*
* Minio Cloud Storage, (C) 2015 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 (
"os"
"os/user"
"path/filepath"
"github.com/minio/minio-xl/pkg/probe"
"github.com/minio/minio-xl/pkg/quick"
)
// AuthConfig auth keys
type AuthConfig struct {
Version string `json:"version"`
AccessKeyID string `json:"accessKeyId"`
SecretAccessKey string `json:"secretAccessKey"`
}
// getAuthConfigPath get users config path
func getAuthConfigPath() (string, *probe.Error) {
if customConfigPath != "" {
return customConfigPath, nil
}
u, err := user.Current()
if err != nil {
return "", probe.NewError(err)
}
authConfigPath := filepath.Join(u.HomeDir, ".minio")
return authConfigPath, nil
}
// createAuthConfigPath create users config path
func createAuthConfigPath() *probe.Error {
authConfigPath, err := getAuthConfigPath()
if err != nil {
return err.Trace()
}
if err := os.MkdirAll(authConfigPath, 0700); err != nil {
return probe.NewError(err)
}
return nil
}
// isAuthConfigFileExists is auth config file exists?
func isAuthConfigFileExists() bool {
if _, err := os.Stat(mustGetAuthConfigFile()); err != nil {
if os.IsNotExist(err) {
return false
}
panic(err)
}
return true
}
// mustGetAuthConfigFile always get users config file, if not panic
func mustGetAuthConfigFile() string {
authConfigFile, err := getAuthConfigFile()
if err != nil {
panic(err)
}
return authConfigFile
}
// getAuthConfigFile get users config file
func getAuthConfigFile() (string, *probe.Error) {
authConfigPath, err := getAuthConfigPath()
if err != nil {
return "", err.Trace()
}
return filepath.Join(authConfigPath, "fsUsers.json"), nil
}
// customConfigPath for custom config path only for testing purposes
var customConfigPath string
// saveAuthConfig save auth config
func saveAuthConfig(a *AuthConfig) *probe.Error {
authConfigFile, err := getAuthConfigFile()
if err != nil {
return err.Trace()
}
qc, err := quick.New(a)
if err != nil {
return err.Trace()
}
if err := qc.Save(authConfigFile); err != nil {
return err.Trace()
}
return nil
}
// loadAuthConfig load auth config
func loadAuthConfig() (*AuthConfig, *probe.Error) {
authConfigFile, err := getAuthConfigFile()
if err != nil {
return nil, err.Trace()
}
if _, err := os.Stat(authConfigFile); err != nil {
return nil, probe.NewError(err)
}
a := &AuthConfig{}
a.Version = "1"
qc, err := quick.New(a)
if err != nil {
return nil, err.Trace()
}
if err := qc.Load(authConfigFile); err != nil {
return nil, err.Trace()
}
return qc.Data().(*AuthConfig), nil
}