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