153 lines
3.2 KiB
Go
153 lines
3.2 KiB
Go
/*
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* Minimalist Object Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package config
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import (
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"encoding/json"
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"io"
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"os"
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"os/user"
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"path"
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"sync"
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"github.com/minio/minio/pkg/iodine"
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)
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// Config context
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type Config struct {
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ConfigPath string
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ConfigFile string
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ConfigLock *sync.RWMutex
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Users map[string]User
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}
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// User context
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type User struct {
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Name string
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AccessKey string
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SecretKey string
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}
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// SetupConfig initialize config directory and template config
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func (c *Config) SetupConfig() error {
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u, err := user.Current()
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if err != nil {
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return iodine.New(err, nil)
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}
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confPath := path.Join(u.HomeDir, ".minio")
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if err := os.MkdirAll(confPath, 0700); err != nil {
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return iodine.New(err, nil)
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}
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c.ConfigPath = confPath
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c.ConfigFile = path.Join(c.ConfigPath, "config.json")
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if _, err := os.Stat(c.ConfigFile); os.IsNotExist(err) {
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_, err = os.Create(c.ConfigFile)
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if err != nil {
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return iodine.New(err, nil)
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}
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}
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c.ConfigLock = new(sync.RWMutex)
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return nil
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}
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// GetConfigPath config file location
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func (c *Config) GetConfigPath() string {
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return c.ConfigPath
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}
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// IsUserExists verify if user exists
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func (c *Config) IsUserExists(username string) bool {
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for _, user := range c.Users {
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if user.Name == username {
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return true
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}
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}
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return false
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}
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// GetUser - get user from username
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func (c *Config) GetUser(username string) User {
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for _, user := range c.Users {
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if user.Name == username {
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return user
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}
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}
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return User{}
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}
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// AddUser - add a user into existing User list
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func (c *Config) AddUser(user User) {
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var currentUsers map[string]User
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if len(c.Users) == 0 {
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currentUsers = make(map[string]User)
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} else {
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currentUsers = c.Users
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}
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currentUsers[user.AccessKey] = user
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c.Users = currentUsers
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}
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// WriteConfig - write encoded json in config file
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func (c *Config) WriteConfig() error {
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c.ConfigLock.Lock()
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defer c.ConfigLock.Unlock()
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var file *os.File
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var err error
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file, err = os.OpenFile(c.ConfigFile, os.O_WRONLY, 0666)
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defer file.Close()
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if err != nil {
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return iodine.New(err, nil)
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}
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encoder := json.NewEncoder(file)
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encoder.Encode(c.Users)
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return nil
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}
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// ReadConfig - read json config file and decode
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func (c *Config) ReadConfig() error {
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c.ConfigLock.RLock()
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defer c.ConfigLock.RUnlock()
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var file *os.File
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var err error
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file, err = os.OpenFile(c.ConfigFile, os.O_RDONLY, 0666)
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defer file.Close()
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if err != nil {
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return iodine.New(err, nil)
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}
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users := make(map[string]User)
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decoder := json.NewDecoder(file)
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err = decoder.Decode(&users)
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switch err {
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case io.EOF:
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return nil
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case nil:
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c.Users = users
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return nil
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default:
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return iodine.New(err, nil)
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}
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}
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