mirror of
https://gitee.com/samwaf/SamWaf.git
synced 2025-12-06 14:59:18 +08:00
479 lines
14 KiB
Go
479 lines
14 KiB
Go
package wafmangeweb
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import (
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"SamWaf/common/zlog"
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"SamWaf/global"
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"SamWaf/middleware"
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"SamWaf/router"
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"SamWaf/service/waf_service"
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"SamWaf/utils"
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"SamWaf/wafmangeweb/static"
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"context"
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"crypto/tls"
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"errors"
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"fmt"
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"io"
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"log"
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"net"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"time"
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"github.com/gin-contrib/pprof"
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"github.com/gin-gonic/gin"
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)
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type WafWebManager struct {
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HttpServer *http.Server
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R *gin.Engine
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LogName string
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restartWatcherStarted bool
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isShuttingDown bool // 标记是否正在完全关闭（非重启）
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}
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func (web *WafWebManager) initRouter(r *gin.Engine) {
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PublicRouterGroup := r.Group("")
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PublicRouterGroup.Use(middleware.SecApi(), middleware.IPWhitelist())
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router.PublicApiGroupApp.InitLoginRouter(PublicRouterGroup)
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router.PublicApiGroupApp.InitCenterRouter(PublicRouterGroup) //注册中心接收接口
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RouterGroup := r.Group("")
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RouterGroup.Use(middleware.Auth(), middleware.CenterApi(), middleware.SecApi(), middleware.GinGlobalExceptionMiddleWare(), middleware.IPWhitelist()) //TODO 中心管控 特定
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{
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router.ApiGroupApp.InitHostRouter(RouterGroup)
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router.ApiGroupApp.InitLogRouter(RouterGroup)
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router.ApiGroupApp.InitRuleRouter(RouterGroup)
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router.ApiGroupApp.InitEngineRouter(RouterGroup)
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router.ApiGroupApp.InitStatRouter(RouterGroup)
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router.ApiGroupApp.InitAllowIpRouter(RouterGroup)
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router.ApiGroupApp.InitAllowUrlRouter(RouterGroup)
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router.ApiGroupApp.InitLdpUrlRouter(RouterGroup)
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router.ApiGroupApp.InitAntiCCRouter(RouterGroup)
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router.ApiGroupApp.InitIPFailureRouter(RouterGroup)
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router.ApiGroupApp.InitBlockIpRouter(RouterGroup)
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router.ApiGroupApp.InitBlockUrlRouter(RouterGroup)
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router.ApiGroupApp.InitAccountRouter(RouterGroup)
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router.ApiGroupApp.InitAccountLogRouter(RouterGroup)
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router.ApiGroupApp.InitLoginOutRouter(RouterGroup)
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router.ApiGroupApp.InitSysLogRouter(RouterGroup)
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router.ApiGroupApp.InitWebSocketRouter(RouterGroup)
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router.ApiGroupApp.InitSysInfoRouter(RouterGroup)
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router.ApiGroupApp.InitSystemConfigRouter(RouterGroup)
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router.ApiGroupApp.InitWafCommonRouter(RouterGroup)
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router.ApiGroupApp.InitOneKeyModRouter(RouterGroup)
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router.ApiGroupApp.InitCenterRouter(RouterGroup)
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router.ApiGroupApp.InitLicenseRouter(RouterGroup)
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router.ApiGroupApp.InitSensitiveRouter(RouterGroup)
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router.ApiGroupApp.InitLoadBalanceRouter(RouterGroup)
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router.ApiGroupApp.InitSslConfigRouter(RouterGroup)
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router.ApiGroupApp.InitBatchTaskRouter(RouterGroup)
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router.ApiGroupApp.InitSslOrderRouter(RouterGroup)
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router.ApiGroupApp.InitWafSslExpireRouter(RouterGroup)
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router.ApiGroupApp.InitWafHttpAuthBaseRouter(RouterGroup)
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router.ApiGroupApp.InitWafTaskRouter(RouterGroup)
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router.ApiGroupApp.InitWafBlockingPageRouter(RouterGroup)
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router.ApiGroupApp.InitGPTRouter(RouterGroup)
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router.ApiGroupApp.InitWafOtpRouter(RouterGroup)
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router.ApiGroupApp.InitAnalysisRouter(RouterGroup)
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router.ApiGroupApp.InitWafPrivateInfoRouter(RouterGroup)
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router.ApiGroupApp.InitWafPrivateGroupRouter(RouterGroup)
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router.ApiGroupApp.InitWafCacheRuleRouter(RouterGroup)
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router.ApiGroupApp.InitWafTunnelRouter(RouterGroup)
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router.ApiGroupApp.InitWafVpConfigRouter(RouterGroup)
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router.ApiGroupApp.InitWafFileRouter(RouterGroup)
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router.ApiGroupApp.InitWafSystemMonitorRouter(RouterGroup)
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router.ApiGroupApp.InitWafCaServerInfoRouter(RouterGroup)
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router.ApiGroupApp.InitSqlQueryRouter(RouterGroup)
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router.ApiGroupApp.InitNotifyChannelRouter(RouterGroup)
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router.ApiGroupApp.InitNotifySubscriptionRouter(RouterGroup)
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router.ApiGroupApp.InitNotifyLogRouter(RouterGroup)
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router.ApiGroupApp.InitFirewallIPBlockRouter(RouterGroup)
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}
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if global.GWAF_RELEASE == "true" {
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static.Static(r, func(handlers ...gin.HandlerFunc) {
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r.NoRoute(handlers...)
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})
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zlog.Info(web.LogName, "use static asset")
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} else {
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zlog.Info(web.LogName, "no use static asset")
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}
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//性能检测部分
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if global.GCONFIG_RECORD_DEBUG_ENABLE == 1 {
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zlog.Info(web.LogName, "Debug On")
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debugGroup := r.Group("/debug", func(c *gin.Context) {
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if global.GCONFIG_RECORD_DEBUG_ENABLE == 0 {
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c.AbortWithStatus(http.StatusForbidden)
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return
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}
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if global.GCONFIG_RECORD_DEBUG_PWD != "" {
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if c.Request.Header.Get("Authorization") != global.GCONFIG_RECORD_DEBUG_PWD {
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c.AbortWithStatus(http.StatusForbidden)
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return
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}
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}
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c.Next()
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})
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pprof.RouteRegister(debugGroup, "pprof")
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}
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}
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func (web *WafWebManager) cors() gin.HandlerFunc {
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return func(c *gin.Context) {
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method := c.Request.Method
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origin := c.Request.Header.Get("Origin") //请求头部
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if origin != "" {
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//TODO 将来要控制 蔡鹏 20221005
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// 将该域添加到allow-origin中
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c.Header("Access-Control-Allow-Origin", origin) //
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c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE, UPDATE")
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c.Header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Authorization,X-Token,Remote-Waf-User-Id,OPEN-X-Token,X-Login-Type,X-Mobile-Token")
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c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Cache-Control, Content-Language, Content-Type")
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//允许客户端传递校验信息比如 cookie
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c.Header("Access-Control-Allow-Credentials", "true")
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}
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if method == "OPTIONS" {
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c.AbortWithStatus(http.StatusNoContent)
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}
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c.Next()
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}
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}
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// StartLocalServer 启动本地管理服务器
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func (web *WafWebManager) StartLocalServer() error {
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if global.GWAF_RELEASE == "true" {
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gin.SetMode(gin.ReleaseMode)
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gin.DefaultWriter = io.Discard
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}
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if global.GWAF_IP_WHITELIST == "0.0.0.0/0,::/0" {
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zlog.Warn("管理端未配置 IP 白名单，默认允许所有 IP4（0.0.0.0/0） IPv6 ::/0 访问")
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}
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r := gin.Default()
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r.Use(web.cors()) //解决跨域
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web.initRouter(r)
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web.R = r
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web.HttpServer = &http.Server{
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Addr: ":" + strconv.Itoa(global.GWAF_LOCAL_SERVER_PORT),
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Handler: r,
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}
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err := waf_service.WafTokenInfoServiceApp.ReloadAllValidTokensToCache()
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if err != nil {
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zlog.Info("加载token到cache错误", err.Error())
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}
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// 启动重启信号监听（只启动一次）
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if !web.restartWatcherStarted {
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web.restartWatcherStarted = true
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go web.WatchRestartSignal()
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}
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// 检查是否启用 SSL
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if global.GWAF_SSL_ENABLE {
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// 获取证书文件路径
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certPath := filepath.Join(utils.GetCurrentDir(), "data", "ssl", "manager", "domain.crt")
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keyPath := filepath.Join(utils.GetCurrentDir(), "data", "ssl", "manager", "domain.key")
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// 检查证书文件是否存在
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if _, err := os.Stat(certPath); err != nil {
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zlog.Warn(web.LogName, "SSL证书文件不存在，降级使用 HTTP: ", certPath)
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// 降级到 HTTP
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zlog.Info(web.LogName, "启动 HTTP 管理端（降级模式）, port:", global.GWAF_LOCAL_SERVER_PORT)
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if err := web.HttpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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errMsg := fmt.Sprintf("启动管理界面失败: %s", err.Error())
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zlog.Error(web.LogName, errMsg)
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return err
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}
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return nil
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}
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if _, err := os.Stat(keyPath); err != nil {
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zlog.Warn(web.LogName, "SSL私钥文件不存在，降级使用 HTTP: ", keyPath)
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// 降级到 HTTP
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zlog.Info(web.LogName, "启动 HTTP 管理端（降级模式）, port:", global.GWAF_LOCAL_SERVER_PORT)
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if err := web.HttpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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errMsg := fmt.Sprintf("启动管理界面失败: %s", err.Error())
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zlog.Error(web.LogName, errMsg)
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return err
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}
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return nil
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}
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// 尝试加载证书
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cert, err := tls.LoadX509KeyPair(certPath, keyPath)
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if err != nil {
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zlog.Warn(web.LogName, "SSL证书加载失败，降级使用 HTTP: ", err.Error())
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// 降级到 HTTP
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zlog.Info(web.LogName, "启动 HTTP 管理端（降级模式）, port:", global.GWAF_LOCAL_SERVER_PORT)
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if err := web.HttpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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errMsg := fmt.Sprintf("启动管理界面失败: %s", err.Error())
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zlog.Error(web.LogName, errMsg)
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return err
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}
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return nil
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}
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// 使用混合监听器，同时支持 HTTPS 和 HTTP（降级方案）
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zlog.Info(web.LogName, "启动 HTTPS/HTTP 混合管理端, port:", global.GWAF_LOCAL_SERVER_PORT)
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if err := web.listenAndServeHybrid(cert); err != nil && !errors.Is(err, http.ErrServerClosed) {
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errMsg := fmt.Sprintf("启动管理界面失败: %s", err.Error())
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zlog.Error(web.LogName, errMsg)
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return err
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}
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} else {
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// 使用 HTTP 启动服务
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zlog.Info(web.LogName, "启动 HTTP 管理端, port:", global.GWAF_LOCAL_SERVER_PORT)
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if err := web.HttpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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errMsg := fmt.Sprintf("启动管理界面失败: %s", err.Error())
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zlog.Error(web.LogName, errMsg)
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return err
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}
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}
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return nil
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}
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// listenAndServeHybrid 混合监听器，同时支持 HTTPS 和 HTTP
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func (web *WafWebManager) listenAndServeHybrid(cert tls.Certificate) error {
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addr := web.HttpServer.Addr
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if addr == "" {
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addr = ":http"
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}
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// 创建基础监听器
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ln, err := net.Listen("tcp", addr)
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if err != nil {
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return err
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}
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// 创建混合监听器
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hybridListener := &hybridListener{
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Listener: ln,
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cert: cert,
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}
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// 使用混合监听器启动服务
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return web.HttpServer.Serve(hybridListener)
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}
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// hybridListener 混合监听器，可以同时处理 HTTPS 和 HTTP 连接
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type hybridListener struct {
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net.Listener
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cert tls.Certificate
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}
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func (l *hybridListener) Accept() (net.Conn, error) {
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conn, err := l.Listener.Accept()
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if err != nil {
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return nil, err
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}
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// 返回混合连接，用于判断是 HTTPS 还是 HTTP
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return &hybridConn{
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Conn: conn,
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cert: l.cert,
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}, nil
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}
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// hybridConn 混合连接，可以自动识别 HTTPS 和 HTTP
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type hybridConn struct {
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net.Conn
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cert tls.Certificate
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tlsConn *tls.Conn
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firstRead bool
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isTLS bool
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}
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func (c *hybridConn) Read(b []byte) (n int, err error) {
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// 第一次读取时判断是 TLS 还是普通 HTTP
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if !c.firstRead {
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c.firstRead = true
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// 读取第一个字节来判断协议
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firstByte := make([]byte, 1)
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n, err := c.Conn.Read(firstByte)
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if err != nil {
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return 0, err
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}
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// TLS 握手的第一个字节是 0x16 (22)，表示 Handshake
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if n > 0 && firstByte[0] == 0x16 {
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// 这是 TLS 连接
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c.isTLS = true
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// 创建 TLS 配置
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tlsConfig := &tls.Config{
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Certificates: []tls.Certificate{c.cert},
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MinVersion: tls.VersionTLS12,
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}
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// 创建 TLS 连接包装器
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// 将第一个字节放回，让 TLS 握手可以正常进行
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wrappedConn := &firstByteConn{
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Conn: c.Conn,
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firstByte: firstByte[0],
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firstRead: false,
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}
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c.tlsConn = tls.Server(wrappedConn, tlsConfig)
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// 执行 TLS 握手
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if err := c.tlsConn.Handshake(); err != nil {
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zlog.Warn("WafWebManager", "TLS握手失败，尝试降级到HTTP: ", err.Error())
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// TLS 握手失败，关闭连接
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c.Conn.Close()
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return 0, err
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}
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// 使用 TLS 连接读取数据
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return c.tlsConn.Read(b)
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} else {
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// 这是普通 HTTP 连接
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c.isTLS = false
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zlog.Debug("WafWebManager", "检测到HTTP连接，使用降级模式")
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// 将第一个字节放到缓冲区
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if n > 0 {
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b[0] = firstByte[0]
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// 继续读取剩余数据
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if len(b) > 1 {
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n2, err2 := c.Conn.Read(b[1:])
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return n + n2, err2
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}
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return 1, nil
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}
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}
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}
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// 后续读取
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if c.isTLS && c.tlsConn != nil {
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return c.tlsConn.Read(b)
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}
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return c.Conn.Read(b)
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}
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func (c *hybridConn) Write(b []byte) (n int, err error) {
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if c.isTLS && c.tlsConn != nil {
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return c.tlsConn.Write(b)
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}
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return c.Conn.Write(b)
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}
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func (c *hybridConn) Close() error {
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if c.tlsConn != nil {
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c.tlsConn.Close()
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}
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return c.Conn.Close()
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}
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// firstByteConn 用于将第一个字节放回连接
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type firstByteConn struct {
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net.Conn
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firstByte byte
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firstRead bool
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}
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func (c *firstByteConn) Read(b []byte) (n int, err error) {
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if !c.firstRead {
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c.firstRead = true
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if len(b) > 0 {
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b[0] = c.firstByte
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if len(b) > 1 {
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n2, err2 := c.Conn.Read(b[1:])
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return 1 + n2, err2
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}
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return 1, nil
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}
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}
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return c.Conn.Read(b)
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}
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/*
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*
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关闭管理端web接口
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*/
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func (web *WafWebManager) CloseLocalServer() {
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log.Println("ready to close local server")
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// The context is used to inform the server it has 5 seconds to finish
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// the request it is currently handling
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer func() {
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defer cancel()
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}()
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if web != nil && web.HttpServer != nil {
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if err := web.HttpServer.Shutdown(ctx); err != nil {
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zlog.Error(web.LogName, "Server forced to shutdown:", err.Error())
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}
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zlog.Info(web.LogName, "local Server exiting")
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} else {
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zlog.Info("local Server exiting")
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}
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}
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// WatchRestartSignal 监听重启信号
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func (web *WafWebManager) WatchRestartSignal() {
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go func() {
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// 使用 ticker 定期检查关闭信号
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shutdownCheckTicker := time.NewTicker(500 * time.Millisecond)
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defer shutdownCheckTicker.Stop()
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for {
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select {
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case <-global.GWAF_CHAN_MANAGER_RESTART:
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// 检查是否正在完全关闭系统
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if global.GWAF_SHUTDOWN_SIGNAL || web.isShuttingDown {
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zlog.Warn(web.LogName, "System is shutting down, ignoring restart request")
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continue
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}
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zlog.Info(web.LogName, "Received manager restart signal, starting restart...")
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// 关闭当前服务器
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web.CloseLocalServer()
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// 等待服务完全关闭
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time.Sleep(2 * time.Second)
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// 再次检查是否收到关闭信号
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if global.GWAF_SHUTDOWN_SIGNAL || web.isShuttingDown {
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zlog.Warn(web.LogName, "System is shutting down, canceling restart")
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return
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}
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// SSL配置已经通过API更新到全局变量，直接使用即可
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zlog.Info(web.LogName, "Current SSL configuration status: ", global.GWAF_SSL_ENABLE)
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// 重新启动服务器
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zlog.Info(web.LogName, "Restarting manager...")
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go func() {
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if err := web.StartLocalServer(); err != nil {
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zlog.Error(web.LogName, "Failed to restart manager: ", err.Error())
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}
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}()
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|
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zlog.Info(web.LogName, "Manager restart completed")
|
||
|
||
case <-shutdownCheckTicker.C:
|
||
// 定期检查系统关闭信号，如果系统正在关闭则退出goroutine
|
||
if global.GWAF_SHUTDOWN_SIGNAL || web.isShuttingDown {
|
||
zlog.Info(web.LogName, "Detected system shutdown signal, exiting restart watcher")
|
||
return
|
||
}
|
||
}
|
||
}
|
||
}()
|
||
}
|
||
|
||
// Shutdown 完全关闭管理端
|
||
func (web *WafWebManager) Shutdown() {
|
||
web.isShuttingDown = true
|
||
web.CloseLocalServer()
|
||
}
|