Files
proxy/internal/profile/store.go
T

92 lines
2.4 KiB
Go

package profile
import (
"encoding/json"
"errors"
"fmt"
"io/fs"
"os"
"path/filepath"
)
type FileStore struct {
path string
}
func NewFileStore(path string) *FileStore {
return &FileStore{path: path}
}
func ConfigPath() (string, error) {
configDir, err := os.UserConfigDir()
if err != nil {
return "", fmt.Errorf("locate user configuration directory: %w", err)
}
return filepath.Join(configDir, "proxyctl", "profiles.json"), nil
}
func (s *FileStore) Load() (State, error) {
data, err := os.ReadFile(s.path)
if errors.Is(err, fs.ErrNotExist) {
return State{}, nil
}
if err != nil {
return State{}, fmt.Errorf("read Profile configuration: %w", err)
}
var state State
if err := json.Unmarshal(data, &state); err != nil {
return State{}, fmt.Errorf("parse Profile configuration: %w", err)
}
return state, nil
}
func (s *FileStore) Save(state State) error {
if err := os.MkdirAll(filepath.Dir(s.path), 0o700); err != nil {
return fmt.Errorf("create Profile configuration directory: %w", err)
}
if err := os.Chmod(filepath.Dir(s.path), 0o700); err != nil {
return fmt.Errorf("secure Profile configuration directory: %w", err)
}
data, err := json.MarshalIndent(state, "", " ")
if err != nil {
return fmt.Errorf("encode Profile configuration: %w", err)
}
data = append(data, '\n')
temp, err := os.CreateTemp(filepath.Dir(s.path), ".profiles-*")
if err != nil {
return fmt.Errorf("create temporary Profile configuration: %w", err)
}
tempName := temp.Name()
defer os.Remove(tempName)
if err := temp.Chmod(0o600); err != nil {
temp.Close()
return fmt.Errorf("secure temporary Profile configuration: %w", err)
}
if _, err := temp.Write(data); err != nil {
temp.Close()
return fmt.Errorf("write temporary Profile configuration: %w", err)
}
if err := temp.Sync(); err != nil {
temp.Close()
return fmt.Errorf("sync temporary Profile configuration: %w", err)
}
if err := temp.Close(); err != nil {
return fmt.Errorf("close temporary Profile configuration: %w", err)
}
if err := os.Rename(tempName, s.path); err != nil {
return fmt.Errorf("replace Profile configuration: %w", err)
}
if err := os.Chmod(s.path, 0o600); err != nil {
return fmt.Errorf("secure Profile configuration: %w", err)
}
dir, err := os.Open(filepath.Dir(s.path))
if err == nil {
err = dir.Sync()
_ = dir.Close()
}
if err != nil {
return fmt.Errorf("sync Profile configuration directory: %w", err)
}
return nil
}