Files
mce/internal/session/manager.go
Victor_Jay 6f74643227 fix: NAV头像session未同步导致不显示 + 图片加载失败回退首字符
- Validate中同步DB最新头像/用户名/角色到session,解决上传头像后NAV仍不显示的问题
- NAV模板img增加onerror回退,图片加载失败时自动显示用户名首字符
2026-05-31 17:08:00 +08:00

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package session
import (
"log"
"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
}
// NewManager 构造函数
func NewManager(store Store, userRepo userStore, cfg *config.Config) *Manager {
return &Manager{store: store, userRepo: userRepo, cfg: cfg}
}
// Create 创建会话并写入存储
func (m *Manager) Create(user *model.User, rememberMe bool, ip, userAgent string) (string, error) {
sid, err := NewID()
if err != nil {
return "", err
}
now := time.Now()
s := &Session{
ID: sid,
UserID: user.ID,
Email: user.Email,
Username: user.Username,
Avatar: user.Avatar,
Role: user.Role,
RememberMe: rememberMe,
IP: ip,
UserAgent: userAgent,
CreatedAt: now,
LastAccess: now,
}
if err := m.store.Set(s); err != nil {
return "", err
}
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
}
// 同步 DB 最新字段(头像/用户名/角色等可能已变更)
s.Avatar = user.Avatar
s.Username = user.Username
s.Role = user.Role
// 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)
}
// GetStoreMetrics 返回当前存储的状态信息
func (m *Manager) GetStoreMetrics() StoreMetrics {
return m.store.Metrics()
}