Files
frpc-console/db.go
T

309 lines
8.6 KiB
Go

package main
import (
"crypto/rand"
"database/sql"
"encoding/hex"
"log"
"sync"
_ "modernc.org/sqlite"
)
var DB *sql.DB
var dbInitOnce sync.Once
// ===== 全局配置表(A表)=====
type GlobalConfig struct {
ID int `json:"id"`
ServerAddr string `json:"serverAddr"`
ServerPort int `json:"serverPort"`
Token string `json:"token"`
LogLevel string `json:"logLevel"`
LogMaxDays int `json:"logMaxDays"`
TcpMux bool `json:"tcpMux"`
TcpMuxKeepalive int `json:"tcpMuxKeepalive"`
HeartbeatInterval int `json:"heartbeatInterval"`
HeartbeatTimeout int `json:"heartbeatTimeout"`
PoolCount int `json:"poolCount"`
}
// ===== 隧道表(B表)=====
type Proxy struct {
ID int `json:"id"`
Name string `json:"name"`
Type string `json:"type"`
LocalIP string `json:"localIP"`
LocalPort int `json:"localPort"`
RemotePort int `json:"remotePort"`
Enabled bool `json:"enabled"`
}
// ===== 用户表(C表)=====
type User struct {
ID int `json:"id"`
Username string `json:"username"`
PasswordHash string `json:"-"`
CreatedAt string `json:"createdAt"`
}
// ===== 初始化数据库 =====
func InitDB() error {
var err error
DB, err = sql.Open("sqlite", "./frpc-console.db")
if err != nil {
return err
}
// 用户表(C表)
_, err = DB.Exec(`
CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username TEXT UNIQUE NOT NULL,
password_hash TEXT NOT NULL,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
)
`)
if err != nil {
return err
}
// 全局配置表(A表)
_, err = DB.Exec(`
CREATE TABLE IF NOT EXISTS global_config (
id INTEGER PRIMARY KEY CHECK (id = 1),
server_addr TEXT NOT NULL DEFAULT 'frp.whitetop.xyz',
server_port INTEGER NOT NULL DEFAULT 9358,
token TEXT NOT NULL DEFAULT 'Lxh10020328',
log_level TEXT NOT NULL DEFAULT 'info',
log_max_days INTEGER NOT NULL DEFAULT 3,
tcp_mux INTEGER NOT NULL DEFAULT 1,
tcp_mux_keepalive INTEGER NOT NULL DEFAULT 30,
heartbeat_interval INTEGER NOT NULL DEFAULT 15,
heartbeat_timeout INTEGER NOT NULL DEFAULT 70,
pool_count INTEGER NOT NULL DEFAULT 8,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
)
`)
if err != nil {
return err
}
// 确保全局配置有一行数据
var count int
DB.QueryRow("SELECT COUNT(*) FROM global_config").Scan(&count)
if count == 0 {
_, err = DB.Exec(`
INSERT INTO global_config (
id, server_addr, server_port, token, log_level, log_max_days,
tcp_mux, tcp_mux_keepalive, heartbeat_interval, heartbeat_timeout, pool_count
) VALUES (1, 'frp.whitetop.xyz', 9358, 'Lxh10020328', 'info', 3, 1, 30, 15, 70, 8)
`)
if err != nil {
return err
}
log.Println("✅ 全局配置初始化完成")
}
// 隧道表(B表)
_, err = DB.Exec(`
CREATE TABLE IF NOT EXISTS proxies (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT UNIQUE NOT NULL,
type TEXT NOT NULL DEFAULT 'tcp',
local_ip TEXT NOT NULL,
local_port INTEGER NOT NULL,
remote_port INTEGER NOT NULL,
enabled INTEGER NOT NULL DEFAULT 1,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
)
`)
if err != nil {
return err
}
// 🟢 新增:应用配置表(用于存储 JWT 密钥等全局配置)
_, err = DB.Exec(`
CREATE TABLE IF NOT EXISTS app_config (
key TEXT PRIMARY KEY,
value TEXT NOT NULL,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
)
`)
if err != nil {
return err
}
// 🟢 确保 JWT 密钥存在
if err := ensureJwtSecret(); err != nil {
return err
}
log.Println("✅ 数据库初始化完成")
return nil
}
// ===== 🟢 新增:JWT 密钥管理 =====
// ensureJwtSecret 检查 app_config 表里是否有 jwt_secret,没有则生成一个
func ensureJwtSecret() error {
var value string
err := DB.QueryRow("SELECT value FROM app_config WHERE key = 'jwt_secret'").Scan(&value)
if err == nil && value != "" {
// 密钥已存在
return nil
}
// 生成 32 字节随机密钥
bytes := make([]byte, 32)
if _, err := rand.Read(bytes); err != nil {
return err
}
secret := hex.EncodeToString(bytes)
// 存入数据库
_, err = DB.Exec(`
INSERT INTO app_config (key, value) VALUES ('jwt_secret', ?)
`, secret)
if err != nil {
return err
}
log.Printf("✅ JWT 密钥已生成并保存到数据库")
return nil
}
// GetJwtSecret 从数据库读取 JWT 密钥
func GetJwtSecret() (string, error) {
var secret string
err := DB.QueryRow("SELECT value FROM app_config WHERE key = 'jwt_secret'").Scan(&secret)
if err != nil {
return "", err
}
return secret, nil
}
// ===== 全局配置 CRUD =====
func GetGlobalConfig() (*GlobalConfig, error) {
var cfg GlobalConfig
err := DB.QueryRow(`
SELECT id, server_addr, server_port, token, log_level, log_max_days,
tcp_mux, tcp_mux_keepalive, heartbeat_interval, heartbeat_timeout, pool_count
FROM global_config WHERE id = 1
`).Scan(
&cfg.ID, &cfg.ServerAddr, &cfg.ServerPort, &cfg.Token,
&cfg.LogLevel, &cfg.LogMaxDays, &cfg.TcpMux, &cfg.TcpMuxKeepalive,
&cfg.HeartbeatInterval, &cfg.HeartbeatTimeout, &cfg.PoolCount,
)
if err != nil {
return nil, err
}
// 🟢 强制开启 tcpMux,忽略数据库中存储的值
cfg.TcpMux = true
return &cfg, nil
}
func UpdateGlobalConfig(cfg *GlobalConfig) error {
// 忽略前端传过来的 TcpMux,强制保持为 true
_, err := DB.Exec(`
UPDATE global_config SET
server_addr = ?, server_port = ?, token = ?, log_level = ?, log_max_days = ?,
tcp_mux = 1, -- 🟢 强制写死为 1
tcp_mux_keepalive = ?, heartbeat_interval = ?, heartbeat_timeout = ?, pool_count = ?,
updated_at = CURRENT_TIMESTAMP
WHERE id = 1
`, cfg.ServerAddr, cfg.ServerPort, cfg.Token, cfg.LogLevel, cfg.LogMaxDays,
cfg.TcpMuxKeepalive, cfg.HeartbeatInterval, cfg.HeartbeatTimeout, cfg.PoolCount)
return err
}
// ===== 隧道 CRUD =====
func GetProxies() ([]Proxy, error) {
rows, err := DB.Query(`
SELECT id, name, type, local_ip, local_port, remote_port, enabled
FROM proxies ORDER BY id
`)
if err != nil {
return nil, err
}
defer rows.Close()
var proxies []Proxy
for rows.Next() {
var p Proxy
err := rows.Scan(&p.ID, &p.Name, &p.Type, &p.LocalIP, &p.LocalPort, &p.RemotePort, &p.Enabled)
if err != nil {
return nil, err
}
proxies = append(proxies, p)
}
return proxies, nil
}
func GetProxy(id int) (*Proxy, error) {
var p Proxy
err := DB.QueryRow(`
SELECT id, name, type, local_ip, local_port, remote_port, enabled
FROM proxies WHERE id = ?
`, id).Scan(&p.ID, &p.Name, &p.Type, &p.LocalIP, &p.LocalPort, &p.RemotePort, &p.Enabled)
if err != nil {
return nil, err
}
return &p, nil
}
func CreateProxy(p *Proxy) error {
result, err := DB.Exec(`
INSERT INTO proxies (name, type, local_ip, local_port, remote_port, enabled)
VALUES (?, ?, ?, ?, ?, ?)
`, p.Name, p.Type, p.LocalIP, p.LocalPort, p.RemotePort, p.Enabled)
if err != nil {
return err
}
id, _ := result.LastInsertId()
p.ID = int(id)
return nil
}
func UpdateProxy(p *Proxy) error {
_, err := DB.Exec(`
UPDATE proxies SET
name = ?, type = ?, local_ip = ?, local_port = ?, remote_port = ?, enabled = ?,
updated_at = CURRENT_TIMESTAMP
WHERE id = ?
`, p.Name, p.Type, p.LocalIP, p.LocalPort, p.RemotePort, p.Enabled, p.ID)
return err
}
func DeleteProxy(id int) error {
_, err := DB.Exec("DELETE FROM proxies WHERE id = ?", id)
return err
}
// ===== 用户 CRUD =====
func GetUserByUsername(username string) (*User, error) {
var u User
err := DB.QueryRow(`
SELECT id, username, password_hash, created_at
FROM users WHERE username = ?
`, username).Scan(&u.ID, &u.Username, &u.PasswordHash, &u.CreatedAt)
if err != nil {
return nil, err
}
return &u, nil
}
func CreateUser(username, passwordHash string) error {
_, err := DB.Exec(`
INSERT INTO users (username, password_hash) VALUES (?, ?)
`, username, passwordHash)
return err
}
func CountUsers() (int, error) {
var count int
err := DB.QueryRow("SELECT COUNT(*) FROM users").Scan(&count)
return count, err
}