license-server/storage/db.go

78 lines
2.0 KiB
Go

package storage
import (
"database/sql"
"os"
"path/filepath"
_ "github.com/mattn/go-sqlite3"
)
type Database struct {
db *sql.DB
}
func InitDB() Database {
const dbPath = "/root/database/license.db"
// 确保目录存在
_ = os.MkdirAll(filepath.Dir(dbPath), 0700)
db, _ := sql.Open("sqlite3", dbPath)
db.Exec(`CREATE TABLE IF NOT EXISTS activations (
id INTEGER PRIMARY KEY AUTOINCREMENT,
machine_id TEXT UNIQUE,
license TEXT,
activated INTEGER
)`)
db.Exec(`CREATE TABLE IF NOT EXISTS generations (
id INTEGER PRIMARY KEY AUTOINCREMENT,
machine_id TEXT UNIQUE,
license TEXT
)`)
/* ➊ 额外表:持久化私钥(仅一行) */
db.Exec(`CREATE TABLE IF NOT EXISTS private (
id INTEGER PRIMARY KEY,
key TEXT
)`)
return Database{db}
}
func (d Database) HasActivated(machineID string) bool {
row := d.db.QueryRow("SELECT activated FROM activations WHERE machine_id = ?", machineID)
var activated int
err := row.Scan(&activated)
return err == nil && activated == 1
}
func (d Database) SaveActivation(machineID string, licenseText string) {
d.db.Exec("INSERT OR REPLACE INTO activations(machine_id, license, activated) VALUES (?, ?, 1)",
machineID, licenseText)
}
func (d Database) HasGenerated(machineID string) bool {
row := d.db.QueryRow("SELECT license FROM generations WHERE machine_id = ?", machineID)
var license string
err := row.Scan(&license)
return err == nil
}
func (d Database) SaveGenerated(machineID string, licenseText string) {
d.db.Exec("INSERT OR REPLACE INTO generations(machine_id, license) VALUES (?, ?)",
machineID, licenseText)
}
/* ===== 新增两个工具方法 ===== */
func (d Database) GetPrivateKey() (string, bool) {
row := d.db.QueryRow("SELECT key FROM private WHERE id = 1")
var key string
return key, row.Scan(&key) == nil
}
func (d Database) SavePrivateKey(key string) {
d.db.Exec("INSERT OR REPLACE INTO private(id, key) VALUES (1, ?)", key)
}