Merge pull request #342 from wsczx/dev

1.修复防爆策略用户登录成功后没有重置计数的Bug

server/admin/lockmanager.go

@@ -0,0 +1,391 @@
+package admin
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/bjdgyc/anylink/base"
+)
+
+type LockInfo struct {
+	Description string     `json:"description"` // 锁定原因
+	Username    string     `json:"username"`    // 用户名
+	IP          string     `json:"ip"`          // IP 地址
+	State       *LockState `json:"state"`       // 锁定状态信息
+}
+type LockState struct {
+	Locked       bool      `json:"locked"`      // 是否锁定
+	FailureCount int       `json:"attempts"`    // 失败次数
+	LockTime     time.Time `json:"lock_time"`   // 锁定截止时间
+	LastAttempt  time.Time `json:"lastAttempt"` // 最后一次尝试的时间
+}
+type IPWhitelists struct {
+	IP   net.IP
+	CIDR *net.IPNet
+}
+
+type LockManager struct {
+	mu            sync.Mutex
+	LoginStatus   sync.Map                         // 登录状态
+	ipLocks       map[string]*LockState            // 全局IP锁定状态
+	userLocks     map[string]*LockState            // 全局用户锁定状态
+	ipUserLocks   map[string]map[string]*LockState // 单用户IP锁定状态
+	ipWhitelists  []IPWhitelists                   // 全局IP白名单，包含IP地址和CIDR范围
+	cleanupTicker *time.Ticker
+}
+
+var lockmanager *LockManager
+var once sync.Once
+
+func GetLockManager() *LockManager {
+	once.Do(func() {
+		lockmanager = &LockManager{
+			LoginStatus:  sync.Map{},
+			ipLocks:      make(map[string]*LockState),
+			userLocks:    make(map[string]*LockState),
+			ipUserLocks:  make(map[string]map[string]*LockState),
+			ipWhitelists: make([]IPWhitelists, 0),
+		}
+	})
+	return lockmanager
+}
+
+const defaultGlobalLockStateExpirationTime = 3600
+
+func InitLockManager() {
+	lm := GetLockManager()
+	if base.Cfg.AntiBruteForce {
+		if base.Cfg.GlobalLockStateExpirationTime <= 0 {
+			base.Cfg.GlobalLockStateExpirationTime = defaultGlobalLockStateExpirationTime
+		}
+		lm.StartCleanupTicker()
+		lm.InitIPWhitelist()
+	}
+}
+
+func GetLocksInfo(w http.ResponseWriter, r *http.Request) {
+	lm := GetLockManager()
+	locksInfo := lm.GetLocksInfo()
+
+	RespSucess(w, locksInfo)
+}
+
+func UnlockUser(w http.ResponseWriter, r *http.Request) {
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		RespError(w, RespInternalErr, err)
+		return
+	}
+	lockinfo := LockInfo{}
+	if err := json.Unmarshal(body, &lockinfo); err != nil {
+		RespError(w, RespInternalErr, err)
+		return
+	}
+
+	if lockinfo.State == nil {
+		RespError(w, RespInternalErr, fmt.Errorf("未找到锁定用户！"))
+		return
+	}
+	lm := GetLockManager()
+
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	lm.Unlock(lockinfo.State)
+	base.Info("解锁成功:", lockinfo.Description, lockinfo.Username, lockinfo.IP)
+
+	RespSucess(w, "解锁成功！")
+}
+
+func (lm *LockManager) GetLocksInfo() []LockInfo {
+	var locksInfo []LockInfo
+
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	for ip, state := range lm.ipLocks {
+		if state.Locked {
+			info := LockInfo{
+				Description: "全局 IP 锁定",
+				Username:    "",
+				IP:          ip,
+				State: &LockState{
+					Locked:       state.Locked,
+					FailureCount: state.FailureCount,
+					LockTime:     state.LockTime,
+					LastAttempt:  state.LastAttempt,
+				},
+			}
+			locksInfo = append(locksInfo, info)
+		}
+	}
+
+	for username, state := range lm.userLocks {
+		if state.Locked {
+			info := LockInfo{
+				Description: "全局用户锁定",
+				Username:    username,
+				IP:          "",
+				State: &LockState{
+					Locked:       state.Locked,
+					FailureCount: state.FailureCount,
+					LockTime:     state.LockTime,
+					LastAttempt:  state.LastAttempt,
+				},
+			}
+			locksInfo = append(locksInfo, info)
+		}
+	}
+
+	for username, ipStates := range lm.ipUserLocks {
+		for ip, state := range ipStates {
+			if state.Locked {
+				info := LockInfo{
+					Description: "单用户 IP 锁定",
+					Username:    username,
+					IP:          ip,
+					State: &LockState{
+						Locked:       state.Locked,
+						FailureCount: state.FailureCount,
+						LockTime:     state.LockTime,
+						LastAttempt:  state.LastAttempt,
+					},
+				}
+				locksInfo = append(locksInfo, info)
+			}
+		}
+	}
+	return locksInfo
+}
+
+// 初始化IP白名单
+func (lm *LockManager) InitIPWhitelist() {
+	ipWhitelist := strings.Split(base.Cfg.IPWhitelist, ",")
+	for _, ipWhitelist := range ipWhitelist {
+		ipWhitelist = strings.TrimSpace(ipWhitelist)
+		if ipWhitelist == "" {
+			continue
+		}
+
+		_, ipNet, err := net.ParseCIDR(ipWhitelist)
+		if err == nil {
+			lm.ipWhitelists = append(lm.ipWhitelists, IPWhitelists{CIDR: ipNet})
+			continue
+		}
+
+		ip := net.ParseIP(ipWhitelist)
+		if ip != nil {
+			lm.ipWhitelists = append(lm.ipWhitelists, IPWhitelists{IP: ip})
+			continue
+		}
+	}
+}
+
+// 检查 IP 是否在白名单中
+func (lm *LockManager) IsWhitelisted(ip string) bool {
+	clientIP := net.ParseIP(ip)
+	if clientIP == nil {
+		return false
+	}
+	for _, ipWhitelist := range lm.ipWhitelists {
+		if ipWhitelist.CIDR != nil && ipWhitelist.CIDR.Contains(clientIP) {
+			return true
+		}
+		if ipWhitelist.IP != nil && ipWhitelist.IP.Equal(clientIP) {
+			return true
+		}
+	}
+	return false
+}
+
+func (lm *LockManager) StartCleanupTicker() {
+	lm.cleanupTicker = time.NewTicker(5 * time.Minute)
+	go func() {
+		for range lm.cleanupTicker.C {
+			lm.CleanupExpiredLocks()
+		}
+	}()
+}
+
+// 定期清理过期的锁定
+func (lm *LockManager) CleanupExpiredLocks() {
+	now := time.Now()
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	for ip, state := range lm.ipLocks {
+		if now.Sub(state.LastAttempt) > time.Duration(base.Cfg.GlobalLockStateExpirationTime)*time.Second {
+			delete(lm.ipLocks, ip)
+		}
+	}
+
+	for user, state := range lm.userLocks {
+		if now.Sub(state.LastAttempt) > time.Duration(base.Cfg.GlobalLockStateExpirationTime)*time.Second {
+			delete(lm.userLocks, user)
+		}
+	}
+
+	for user, ipMap := range lm.ipUserLocks {
+		for ip, state := range ipMap {
+			if now.Sub(state.LastAttempt) > time.Duration(base.Cfg.GlobalLockStateExpirationTime)*time.Second {
+				delete(ipMap, ip)
+				if len(ipMap) == 0 {
+					delete(lm.ipUserLocks, user)
+				}
+			}
+		}
+	}
+}
+
+// 检查全局 IP 锁定
+func (lm *LockManager) CheckGlobalIPLock(ip string, now time.Time) bool {
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	state, exists := lm.ipLocks[ip]
+	if !exists {
+		return false
+	}
+
+	return lm.CheckLockState(state, now, base.Cfg.GlobalIPBanResetTime)
+}
+
+// 检查全局用户锁定
+func (lm *LockManager) CheckGlobalUserLock(username string, now time.Time) bool {
+	// 我也不知道为什么cisco anyconnect每次连接会先传一个空用户请求····
+	if username == "" {
+		return false
+	}
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	state, exists := lm.userLocks[username]
+	if !exists {
+		return false
+	}
+	return lm.CheckLockState(state, now, base.Cfg.GlobalUserBanResetTime)
+}
+
+// 检查单个用户的 IP 锁定
+func (lm *LockManager) CheckUserIPLock(username, ip string, now time.Time) bool {
+	// 我也不知道为什么cisco anyconnect每次连接会先传一个空用户请求····
+	if username == "" {
+		return false
+	}
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	userIPMap, userExists := lm.ipUserLocks[username]
+	if !userExists {
+		return false
+	}
+
+	state, ipExists := userIPMap[ip]
+	if !ipExists {
+		return false
+	}
+
+	return lm.CheckLockState(state, now, base.Cfg.BanResetTime)
+}
+
+// 更新全局 IP 锁定状态
+func (lm *LockManager) UpdateGlobalIPLock(ip string, now time.Time, success bool) {
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	state, exists := lm.ipLocks[ip]
+	if !exists {
+		state = &LockState{}
+		lm.ipLocks[ip] = state
+	}
+
+	lm.UpdateLockState(state, now, success, base.Cfg.MaxGlobalIPBanCount, base.Cfg.GlobalIPLockTime)
+}
+
+// 更新全局用户锁定状态
+func (lm *LockManager) UpdateGlobalUserLock(username string, now time.Time, success bool) {
+	// 我也不知道为什么cisco anyconnect每次连接会先传一个空用户请求····
+	if username == "" {
+		return
+	}
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	state, exists := lm.userLocks[username]
+	if !exists {
+		state = &LockState{}
+		lm.userLocks[username] = state
+	}
+
+	lm.UpdateLockState(state, now, success, base.Cfg.MaxGlobalUserBanCount, base.Cfg.GlobalUserLockTime)
+}
+
+// 更新单个用户的 IP 锁定状态
+func (lm *LockManager) UpdateUserIPLock(username, ip string, now time.Time, success bool) {
+	// 我也不知道为什么cisco anyconnect每次连接会先传一个空用户请求····
+	if username == "" {
+		return
+	}
+	lm.mu.Lock()
+	defer lm.mu.Unlock()
+
+	userIPMap, userExists := lm.ipUserLocks[username]
+	if !userExists {
+		userIPMap = make(map[string]*LockState)
+		lm.ipUserLocks[username] = userIPMap
+	}
+
+	state, ipExists := userIPMap[ip]
+	if !ipExists {
+		state = &LockState{}
+		userIPMap[ip] = state
+	}
+
+	lm.UpdateLockState(state, now, success, base.Cfg.MaxBanCount, base.Cfg.LockTime)
+}
+
+// 更新锁定状态
+func (lm *LockManager) UpdateLockState(state *LockState, now time.Time, success bool, maxBanCount, lockTime int) {
+	if success {
+		lm.Unlock(state) // 成功登录后解锁
+	} else {
+		state.FailureCount++
+		if state.FailureCount >= maxBanCount {
+			state.LockTime = now.Add(time.Duration(lockTime) * time.Second)
+			state.Locked = true // 超过阈值时锁定
+		}
+	}
+	state.LastAttempt = now
+}
+
+// 检查锁定状态
+func (lm *LockManager) CheckLockState(state *LockState, now time.Time, resetTime int) bool {
+	if state == nil || state.LastAttempt.IsZero() {
+		return false
+	}
+
+	// 如果超过锁定时间，重置锁定状态
+	if !state.LockTime.IsZero() && now.After(state.LockTime) {
+		lm.Unlock(state) // 锁定期过后解锁
+		return false
+	}
+	// 如果超过窗口时间，重置失败计数
+	if now.Sub(state.LastAttempt) > time.Duration(resetTime)*time.Second {
+		state.FailureCount = 0
+		return false
+	}
+	return state.Locked
+}
+
+// 解锁
+func (lm *LockManager) Unlock(state *LockState) {
+	state.FailureCount = 0
+	state.LockTime = time.Time{}
+	state.Locked = false
+}

server/admin/server.go

@@ -87,6 +87,7 @@ func StartAdmin() {
 	r.HandleFunc("/group/auth_login", GroupAuthLogin)
 
 	r.HandleFunc("/statsinfo/list", StatsInfoList)
+	r.HandleFunc("/locksinfo/list", GetLocksInfo)
 
 	// pprof
 	if base.Cfg.Pprof {