mirror of https://github.com/minio/minio.git
153 lines
3.2 KiB
Go
153 lines
3.2 KiB
Go
/*
|
|
* Minimalist Object 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 config
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"os"
|
|
"os/user"
|
|
"path"
|
|
"sync"
|
|
|
|
"github.com/minio/minio/pkg/iodine"
|
|
)
|
|
|
|
// Config context
|
|
type Config struct {
|
|
ConfigPath string
|
|
ConfigFile string
|
|
ConfigLock *sync.RWMutex
|
|
Users map[string]User
|
|
}
|
|
|
|
// User context
|
|
type User struct {
|
|
Name string
|
|
AccessKey string
|
|
SecretKey string
|
|
}
|
|
|
|
// SetupConfig initialize config directory and template config
|
|
func (c *Config) SetupConfig() error {
|
|
u, err := user.Current()
|
|
if err != nil {
|
|
return iodine.New(err, nil)
|
|
}
|
|
|
|
confPath := path.Join(u.HomeDir, ".minio")
|
|
if err := os.MkdirAll(confPath, 0700); err != nil {
|
|
return iodine.New(err, nil)
|
|
}
|
|
|
|
c.ConfigPath = confPath
|
|
c.ConfigFile = path.Join(c.ConfigPath, "config.json")
|
|
if _, err := os.Stat(c.ConfigFile); os.IsNotExist(err) {
|
|
_, err = os.Create(c.ConfigFile)
|
|
if err != nil {
|
|
return iodine.New(err, nil)
|
|
}
|
|
}
|
|
|
|
c.ConfigLock = new(sync.RWMutex)
|
|
return nil
|
|
}
|
|
|
|
// GetConfigPath config file location
|
|
func (c *Config) GetConfigPath() string {
|
|
return c.ConfigPath
|
|
}
|
|
|
|
// IsUserExists verify if user exists
|
|
func (c *Config) IsUserExists(username string) bool {
|
|
for _, user := range c.Users {
|
|
if user.Name == username {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// GetUser - get user from username
|
|
func (c *Config) GetUser(username string) User {
|
|
for _, user := range c.Users {
|
|
if user.Name == username {
|
|
return user
|
|
}
|
|
}
|
|
return User{}
|
|
}
|
|
|
|
// AddUser - add a user into existing User list
|
|
func (c *Config) AddUser(user User) {
|
|
var currentUsers map[string]User
|
|
if len(c.Users) == 0 {
|
|
currentUsers = make(map[string]User)
|
|
} else {
|
|
currentUsers = c.Users
|
|
}
|
|
currentUsers[user.AccessKey] = user
|
|
c.Users = currentUsers
|
|
}
|
|
|
|
// WriteConfig - write encoded json in config file
|
|
func (c *Config) WriteConfig() error {
|
|
c.ConfigLock.Lock()
|
|
defer c.ConfigLock.Unlock()
|
|
|
|
var file *os.File
|
|
var err error
|
|
|
|
file, err = os.OpenFile(c.ConfigFile, os.O_WRONLY, 0666)
|
|
defer file.Close()
|
|
if err != nil {
|
|
return iodine.New(err, nil)
|
|
}
|
|
|
|
encoder := json.NewEncoder(file)
|
|
encoder.Encode(c.Users)
|
|
return nil
|
|
}
|
|
|
|
// ReadConfig - read json config file and decode
|
|
func (c *Config) ReadConfig() error {
|
|
c.ConfigLock.RLock()
|
|
defer c.ConfigLock.RUnlock()
|
|
|
|
var file *os.File
|
|
var err error
|
|
|
|
file, err = os.OpenFile(c.ConfigFile, os.O_RDONLY, 0666)
|
|
defer file.Close()
|
|
if err != nil {
|
|
return iodine.New(err, nil)
|
|
}
|
|
|
|
users := make(map[string]User)
|
|
decoder := json.NewDecoder(file)
|
|
err = decoder.Decode(&users)
|
|
switch err {
|
|
case io.EOF:
|
|
return nil
|
|
case nil:
|
|
c.Users = users
|
|
return nil
|
|
default:
|
|
return iodine.New(err, nil)
|
|
}
|
|
}
|