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tokenstore.go
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tokenstore.go
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/*
* Copyright (c) 2019 Andreas Signer <asigner@gmail.com>
*
* This file is part of Duplikator.
*
* Duplikator is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Duplikator is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Duplikator. If not, see <http://www.gnu.org/licenses/>.
*/
package tokenstore
import (
"flag"
"io/ioutil"
"os"
"path"
"path/filepath"
"runtime"
)
type Store struct {
filename string
Token *Token
}
var (
accessTokenFlag = flag.String("access_token", "", "Access token to use")
tokenStoreFileFlag = flag.String("token_store", "", "File to store tokens in")
)
func Init() (*Store, error) {
store := Store{filename: tokenStoreFileName()}
b, err := ioutil.ReadFile(store.filename)
if err != nil && !os.IsNotExist(err) {
return nil, err
}
token, err := TokenFromString(string(b))
if err == nil {
store.Token = token
}
if *accessTokenFlag != "" {
token, err = TokenFromString(*accessTokenFlag)
if err != nil {
return nil, err
}
store.Token = token
}
return &store, nil
}
func (store *Store) Save() error {
s := ""
if store.Token != nil {
s, _ = store.Token.String()
}
err := os.MkdirAll(path.Dir(store.filename), 0700)
if err != nil {
return err;
}
return ioutil.WriteFile(store.filename, []byte(s), 0600)
}
func tokenStoreFileName() string {
name := *tokenStoreFileFlag
if name != "" {
return name
}
return buildTokenStoreName()
}
func buildTokenStoreName() string {
name := *tokenStoreFileFlag
if name == "" {
name = filepath.Join(getDataDir(), "token_store")
}
return name
}
func getDataDir() string {
var dir string
switch runtime.GOOS {
case "darwin":
dir = filepath.Join(os.Getenv("HOME"), "Library", "Application Support")
case "windows":
dir = os.Getenv("APPDATA")
default:
dir = os.Getenv("XDG_DATA_HOME");
if dir == "" {
dir = filepath.Join(os.Getenv("HOME"), ".local", "share")
}
}
return filepath.Join(dir, "duplikator")
}