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MetaLab/internal/session/manager.go
Victor_Jay d5d33c3ace fix: 修复登录重复创建会话 + 备注输入框不可交互
- login.js 增加防重复提交锁,请求期间禁用按钮
- Manager.Create 增加幂等检查,同用户同IP同UA 10秒内复用已有会话
- 移除当前设备备注输入框的 readonly 限制,改为 data-current 标记
- 修复 readonly 状态下输入框完全透明无法点击的问题
2026-05-31 00:28:00 +08:00

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package session
import (
"log"
"sync"
"time"
"metazone.cc/metalab/internal/config"
"metazone.cc/metalab/internal/model"
)
// userStore SessionManager 对 UserRepo 的最小接口ISP1 个方法)
type userStore interface {
FindByIDForAuth(userID uint) (*model.User, error)
}
// Manager 会话管理器:创建、验证、销毁、续期
type Manager struct {
store Store
userRepo userStore
cfg *config.Config
mu sync.Mutex
recentLogin map[uint]*loginEntry // uid → 最近一次登录记录(防重复创建)
}
type loginEntry struct {
sid string
ip string
userAgent string
createdAt time.Time
}
// NewManager 构造函数
func NewManager(store Store, userRepo userStore, cfg *config.Config) *Manager {
return &Manager{
store: store,
userRepo: userRepo,
cfg: cfg,
recentLogin: make(map[uint]*loginEntry),
}
}
// Create 创建会话并写入存储(同用户+同 IP+同 UA 在 10 秒内重复调用时返回已有会话,防重复创建)
func (m *Manager) Create(user *model.User, rememberMe bool, ip, userAgent string) (string, error) {
m.mu.Lock()
// 幂等检查:同用户+同 IP+同 UA10 秒内不重复创建
if entry, ok := m.recentLogin[user.ID]; ok {
if entry.ip == ip && entry.userAgent == userAgent && time.Since(entry.createdAt) < 10*time.Second {
// 验证旧会话仍然有效
if s, _ := m.store.Get(entry.sid); s != nil {
m.mu.Unlock()
log.Printf("[SessionManager] Create dedup uid=%d reuse sid=%s", user.ID, entry.sid[:16]+"...")
return entry.sid, nil
}
}
}
m.mu.Unlock()
sid, err := NewID()
if err != nil {
return "", err
}
now := time.Now()
s := &Session{
ID: sid,
UserID: user.ID,
Email: user.Email,
Username: user.Username,
Role: user.Role,
RememberMe: rememberMe,
IP: ip,
UserAgent: userAgent,
CreatedAt: now,
LastAccess: now,
}
if err := m.store.Set(s); err != nil {
return "", err
}
m.mu.Lock()
m.recentLogin[user.ID] = &loginEntry{sid: sid, ip: ip, userAgent: userAgent, createdAt: now}
m.mu.Unlock()
log.Printf("[SessionManager] Created sid=%s uid=%d rememberMe=%v ip=%s", sid[:16]+"...", user.ID, rememberMe, ip)
return sid, nil
}
// Validate 验证会话:读取 → 检查过期 → 检查用户状态 → 续期 → 返回
// 返回 nil 表示会话无效(不存在/过期/用户被封禁)
func (m *Manager) Validate(sid string) (*Session, error) {
if sid == "" {
return nil, nil
}
s, err := m.store.Get(sid)
if err != nil || s == nil {
return nil, nil
}
// 检查用户是否仍然有效(封禁/注销后拒绝已有会话)
user, err := m.userRepo.FindByIDForAuth(s.UserID)
if err != nil {
log.Printf("[SessionManager] Validate: user not found uid=%d err=%v", s.UserID, err)
m.store.Delete(sid)
return nil, nil
}
// 封禁用户直接拒绝
if user.Status == model.StatusBanned {
log.Printf("[SessionManager] Validate: user banned uid=%d", s.UserID)
m.store.Delete(sid)
return nil, nil
}
// 滑动窗口续期
s.Touch()
if err := m.store.Set(s); err != nil {
log.Printf("[SessionManager] Validate: touch failed sid=%s err=%v", sid[:16]+"...", err)
}
return s, nil
}
// Destroy 销毁单个会话(用户主动退出登录)
func (m *Manager) Destroy(sid string) error {
return m.store.Delete(sid)
}
// DestroyByUID 销毁某用户的所有会话(改密/注销/强制下线)
func (m *Manager) DestroyByUID(uid uint) error {
return m.store.DeleteByUID(uid)
}
// IdleTimeout 根据 rememberMe 返回对应的空闲超时时间
func (m *Manager) IdleTimeout(rememberMe bool) time.Duration {
if rememberMe {
return time.Duration(m.cfg.Session.RememberTimeout) * time.Minute
}
return time.Duration(m.cfg.Session.IdleTimeout) * time.Minute
}
// ListByUID 列出某用户的所有活跃会话
func (m *Manager) ListByUID(uid uint) ([]*Session, error) {
return m.store.ListByUID(uid)
}
// DestroyOtherByUID 销毁某用户除当前会话外的所有会话
func (m *Manager) DestroyOtherByUID(uid uint, currentSID string) error {
return m.store.DeleteByUIDExclude(uid, currentSID)
}
// UpdateRemark 更新指定会话的备注(需验证归属)
func (m *Manager) UpdateRemark(sid string, uid uint, remark string) error {
s, err := m.store.Get(sid)
if err != nil || s == nil {
return err
}
if s.UserID != uid {
return nil
}
s.Remark = remark
return m.store.Set(s)
}