/
do.go
61 lines (53 loc) · 1.58 KB
/
do.go
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// Copyright 2017 CoreOS, 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 auth
import (
"encoding/json"
"fmt"
"os"
"os/user"
"path/filepath"
)
const DOConfigPath = ".config/digitalocean.json"
// DOProfile represents a parsed DigitalOcean profile. This is a custom
// format specific to Mantle.
type DOProfile struct {
AccessToken string `json:"token"`
}
// ReadDOConfig decodes a DigitalOcean config file, which is a custom format
// used by Mantle to hold personal access tokens.
//
// If path is empty, $HOME/.config/digitalocean.json is read.
func ReadDOConfig(path string) (map[string]DOProfile, error) {
if path == "" {
user, err := user.Current()
if err != nil {
return nil, err
}
path = filepath.Join(user.HomeDir, DOConfigPath)
}
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
var profiles map[string]DOProfile
if err := json.NewDecoder(f).Decode(&profiles); err != nil {
return nil, err
}
if len(profiles) == 0 {
return nil, fmt.Errorf("DigitalOcean config %q contains no profiles", path)
}
return profiles, nil
}