66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// Package store owns the encrypted SQLite config and read state.
|
|
package store
|
|
|
|
import (
|
|
"database/sql"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strconv"
|
|
|
|
_ "modernc.org/sqlite"
|
|
)
|
|
|
|
// Store wraps the database and the field-encryption key.
|
|
type Store struct {
|
|
db *sql.DB
|
|
key []byte
|
|
}
|
|
|
|
// Open opens (creating if needed) the DB at path and applies the schema.
|
|
func Open(path string, key []byte) (*Store, error) {
|
|
if err := os.MkdirAll(filepath.Dir(path), 0o700); err != nil {
|
|
return nil, fmt.Errorf("create db dir: %w", err)
|
|
}
|
|
db, err := sql.Open("sqlite", path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if _, err := db.Exec("PRAGMA foreign_keys = ON;"); err != nil {
|
|
db.Close()
|
|
return nil, err
|
|
}
|
|
if _, err := db.Exec(schemaSQL); err != nil {
|
|
db.Close()
|
|
return nil, fmt.Errorf("apply schema: %w", err)
|
|
}
|
|
s := &Store{db: db, key: key}
|
|
if _, err := s.GetSetting("schema_version"); err != nil {
|
|
if err := s.SetSetting("schema_version", strconv.Itoa(schemaVersion)); err != nil {
|
|
db.Close()
|
|
return nil, err
|
|
}
|
|
}
|
|
return s, nil
|
|
}
|
|
|
|
func (s *Store) Close() error { return s.db.Close() }
|
|
|
|
// DefaultDBPath resolves EMCLI_DB or the per-OS default location.
|
|
func DefaultDBPath() (string, error) {
|
|
if p := os.Getenv("EMCLI_DB"); p != "" {
|
|
return p, nil
|
|
}
|
|
if runtime.GOOS == "windows" {
|
|
if dir := os.Getenv("AppData"); dir != "" {
|
|
return filepath.Join(dir, "emcli", "emcli.db"), nil
|
|
}
|
|
}
|
|
home, err := os.UserHomeDir()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return filepath.Join(home, ".config", "emcli", "emcli.db"), nil
|
|
}
|