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MetaLab/internal/middleware/auth.go
Victor_Jay d203447eb3 feat: 设置页新增登录管理 TAB
- Session 结构体新增 IP、UserAgent、Remark 字段,登录/注册时记录设备信息
- Store 接口新增 ListByUID、DeleteByUIDExclude 方法,MemoryStore 完整实现
- SessionManager 新增 ListByUID、DestroyOtherByUID、UpdateRemark 方法
- 新增 UA 轻量解析器(session/ua.go),提取浏览器/OS/设备类型
- 新增 settings_api_sessions.go,提供列表/踢出/一键踢出/备注 4 个 API
- 控制器层声明 sessionManager 最小接口(ISP),SettingsController 注入依赖
- Auth 中间件注入 sid 到 gin context,支持识别当前会话
- 设置页左侧导航增加登录管理入口,tab 白名单新增 sessions
- 前端实现设备列表展示(浏览器/OS/设备图标/IP/时间)、当前设备标识、备注输入、踢出按钮、一键踢出
- settings.css 新增会话管理全套样式及响应式适配
2026-05-30 23:58:37 +08:00

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package middleware
import (
"net/http"
"metazone.cc/metalab/internal/common"
"metazone.cc/metalab/internal/config"
"metazone.cc/metalab/internal/session"
"github.com/gin-gonic/gin"
)
// AuthMiddleware 认证中间件(结构体模式,持有 SessionManager
type AuthMiddleware struct {
cfg *config.Config
sessionManager *session.Manager
}
// NewAuthMiddleware 构造函数
func NewAuthMiddleware(cfg *config.Config, sm *session.Manager) *AuthMiddleware {
return &AuthMiddleware{cfg: cfg, sessionManager: sm}
}
// Required 登录认证中间件:读 session cookie → 验证会话 → 注入用户信息
// 验证失败 → 清除 cookie → 返回 401
func (am *AuthMiddleware) Required() gin.HandlerFunc {
return func(c *gin.Context) {
sid, err := c.Cookie(common.SessionCookieName)
if err != nil || sid == "" {
common.ClearSessionCookie(c, am.cfg)
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"success": false, "message": "登录已过期,请重新登录",
})
return
}
s, err := am.sessionManager.Validate(sid)
if err != nil || s == nil {
common.ClearSessionCookie(c, am.cfg)
c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
"success": false, "message": "登录已过期,请重新登录",
})
return
}
injectSessionContext(c, s)
c.Next()
}
}
// Optional 可选认证:已登录则注入用户信息,未登录也放行
func (am *AuthMiddleware) Optional() gin.HandlerFunc {
return func(c *gin.Context) {
sid, err := c.Cookie(common.SessionCookieName)
if err != nil || sid == "" {
c.Next()
return
}
s, err := am.sessionManager.Validate(sid)
if err != nil || s == nil {
common.ClearSessionCookie(c, am.cfg)
c.Next()
return
}
injectSessionContext(c, s)
c.Next()
}
}
// injectSessionContext 将会话中的用户信息注入 gin context
func injectSessionContext(c *gin.Context, s *session.Session) {
if s == nil {
return
}
c.Set("uid", s.UserID)
c.Set("email", s.Email)
c.Set("username", s.Username)
c.Set("role", s.Role)
c.Set("sid", s.ID)
}