172 lines
4.2 KiB
Go
172 lines
4.2 KiB
Go
package http
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import (
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"context"
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_ "embed"
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"log"
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"meshgo/config"
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"meshgo/stats"
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"net/http"
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"time"
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"github.com/gin-gonic/gin"
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)
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// Server HTTP 管理界面服务
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type Server struct {
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srv *http.Server
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enabled bool
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}
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// New 创建 HTTP 服务（不启动）
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func New(cfg *config.AdminConfig) *Server {
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if !cfg.Enabled {
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return &Server{enabled: false}
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}
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gin.SetMode(gin.ReleaseMode)
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r := gin.New()
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r.Use(gin.Recovery())
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// 预留认证中间件扩展点
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r.Use(AuthMiddleware(cfg))
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// 路由
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admin := r.Group("/admin/mqtt")
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{
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admin.GET("/api/stats", handleStats)
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admin.GET("/api/clients", handleClients)
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}
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r.GET("/admin/mqtt", serveIndex)
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r.GET("/", serveHome)
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addr := cfg.Port
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if addr == "" {
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addr = ":8080"
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}
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return &Server{
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enabled: true,
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srv: &http.Server{
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Addr: addr,
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Handler: r,
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 10 * time.Second,
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},
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}
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}
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// Start 启动 HTTP 服务（goroutine）
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func (s *Server) Start() {
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if !s.enabled {
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return
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}
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go func() {
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addr := s.srv.Addr
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log.Printf("[http] 管理界面已启动: http://%s/", addr)
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if err := s.srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Printf("[http] 管理界面启动失败: %v", err)
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}
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}()
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}
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// Close 优雅关闭
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func (s *Server) Close() error {
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if !s.enabled {
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return nil
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}
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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return s.srv.Shutdown(ctx)
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}
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// Enabled 返回是否启用
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func (s *Server) Enabled() bool { return s.enabled }
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// ---------------------------------------------------------------------------
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// 路由处理
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// ---------------------------------------------------------------------------
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// serveIndex 返回管理页面
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func serveIndex(c *gin.Context) {
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c.Header("Content-Type", "text/html; charset=utf-8")
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c.String(http.StatusOK, indexHTML)
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}
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// serveHome 主页（meshmap 占位）
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func serveHome(c *gin.Context) {
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c.Header("Content-Type", "text/html; charset=utf-8")
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c.String(http.StatusOK, `<!DOCTYPE html>
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<html lang="zh-CN">
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<head><meta charset="UTF-8"><title>meshgo</title></head>
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<body style="font-family:sans-serif;display:flex;align-items:center;justify-content:center;height:100vh;margin:0;background:#f0f2f5">
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<div style="text-align:center">
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<h1 style="font-size:48px;color:#1677ff;margin-bottom:8px">meshmap</h1>
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<p style="color:#888;margin-bottom:24px">Mesh Network Map · 网格拓扑可视化</p>
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<a href="/admin/mqtt" style="display:inline-block;padding:10px 24px;background:#1677ff;color:#fff;text-decoration:none;border-radius:6px;font-size:14px">MQTT 管理面板</a>
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</div>
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</body>
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</html>`)
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}
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// handleStats 返回实时统计（JSON）
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func handleStats(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{
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"code": 0,
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"data": stats.GetStats(),
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})
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}
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// handleClients 返回在线客户端列表（JSON）
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func handleClients(c *gin.Context) {
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st := stats.GetStats()
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c.JSON(http.StatusOK, gin.H{
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"code": 0,
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"data": st.Clients,
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})
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}
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// ---------------------------------------------------------------------------
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// 认证中间件（预留扩展点）
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// AuthMiddleware 根据 cfg.AuthType 选择对应认证策略
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// 当前支持：none
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// 预留支持：basic、token
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// ---------------------------------------------------------------------------
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// AuthMiddleware 认证中间件工厂
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func AuthMiddleware(cfg *config.AdminConfig) gin.HandlerFunc {
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switch cfg.AuthType {
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case "basic":
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return basicAuth(cfg.Username, cfg.Password)
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case "token":
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// TODO: token 认证
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return func(c *gin.Context) { c.Next() }
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default:
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// none：不做认证
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return func(c *gin.Context) { c.Next() }
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}
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}
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// basicAuth Basic 认证
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func basicAuth(user, pass string) gin.HandlerFunc {
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return func(c *gin.Context) {
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u, p, ok := c.Request.BasicAuth()
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if !ok || u != user || p != pass {
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c.Header("WWW-Authenticate", `Basic realm="meshgo"`)
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"code": 401,
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"msg": "未授权",
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})
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return
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}
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c.Next()
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}
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}
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// ---------------------------------------------------------------------------
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// 模板（go:embed 内嵌）
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// ---------------------------------------------------------------------------
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//go:embed index.html
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var indexHTML string
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