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解决防爆并行问题

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wsczx
2024-11-13 09:35:07 +08:00
parent 2b757b65b6
commit fe47b22cf1
5 changed files with 96 additions and 22 deletions
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71
server/admin/lockmanager.go
View File

@@ -2,7 +2,6 @@ package admin
import (
"encoding/json"
"fmt"
"io"
"net"
"net/http"
@@ -31,8 +30,8 @@ type IPWhitelists struct {
}
type LockManager struct {
mu sync.Mutex
LoginStatus sync.Map // 登录状态
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
@@ -46,7 +45,7 @@ var once sync.Once
func GetLockManager() *LockManager {
once.Do(func() {
lockmanager = &LockManager{
LoginStatus: sync.Map{},
// LoginStatus: sync.Map{},
ipLocks: make(map[string]*LockState),
userLocks: make(map[string]*LockState),
ipUserLocks: make(map[string]map[string]*LockState),
@@ -89,7 +88,7 @@ func UnlockUser(w http.ResponseWriter, r *http.Request) {
}
if lockinfo.State == nil {
RespError(w, RespInternalErr, fmt.Errorf("未找到锁定用户！"))
RespError(w, RespInternalErr, "未找到锁定用户！")
return
}
lm := GetLockManager()
@@ -111,7 +110,7 @@ func UnlockUser(w http.ResponseWriter, r *http.Request) {
}
if state == nil || !state.Locked {
RespError(w, RespInternalErr, fmt.Errorf("锁定状态未找到或已解锁"))
RespError(w, RespInternalErr, "锁定状态未找到或已解锁")
return
}
@@ -238,14 +237,14 @@ func (lm *LockManager) CleanupExpiredLocks() {
defer lm.mu.Unlock()
for ip, state := range lm.ipLocks {
if !lm.CheckLockState(state, now, base.Cfg.GlobalIPLockTime) ||
if !lm.CheckLockState(state, now, base.Cfg.GlobalIPBanResetTime) ||
now.Sub(state.LastAttempt) > time.Duration(base.Cfg.GlobalLockStateExpirationTime)*time.Second {
delete(lm.ipLocks, ip)
}
}
for user, state := range lm.userLocks {
if !lm.CheckLockState(state, now, base.Cfg.GlobalUserLockTime) ||
if !lm.CheckLockState(state, now, base.Cfg.GlobalUserBanResetTime) ||
now.Sub(state.LastAttempt) > time.Duration(base.Cfg.GlobalLockStateExpirationTime)*time.Second {
delete(lm.userLocks, user)
}
@@ -253,7 +252,7 @@ func (lm *LockManager) CleanupExpiredLocks() {
for user, ipMap := range lm.ipUserLocks {
for ip, state := range ipMap {
if !lm.CheckLockState(state, now, base.Cfg.LockTime) ||
if !lm.CheckLockState(state, now, base.Cfg.BanResetTime) ||
now.Sub(state.LastAttempt) > time.Duration(base.Cfg.GlobalLockStateExpirationTime)*time.Second {
delete(ipMap, ip)
if len(ipMap) == 0 {
@@ -410,3 +409,57 @@ func (lm *LockManager) Unlock(state *LockState) {
state.LockTime = time.Time{}
state.Locked = false
}
// 检查锁定状态
func (lm *LockManager) CheckLocked(username, ipaddr string) bool {
if !base.Cfg.AntiBruteForce {
return true
}
ip, _, err := net.SplitHostPort(ipaddr) // 提取纯 IP 地址，去掉端口号
if err != nil {
base.Error("检查锁定状态失败,提取IP地址错误:", ipaddr)
return true
}
now := time.Now()
// 检查IP是否在白名单中
if lm.IsWhitelisted(ip) {
return true
}
// 检查全局 IP 锁定
if base.Cfg.MaxGlobalIPBanCount > 0 && lm.CheckGlobalIPLock(ip, now) {
base.Warn("IP", ip, "is globally locked. Try again later.")
return false
}
// 检查全局用户锁定
if base.Cfg.MaxGlobalUserBanCount > 0 && lm.CheckGlobalUserLock(username, now) {
base.Warn("User", username, "is globally locked. Try again later.")
return false
}
// 检查单个用户的 IP 锁定
if base.Cfg.MaxBanCount > 0 && lm.CheckUserIPLock(username, ip, now) {
base.Warn("IP", ip, "is locked for user", username, "Try again later.")
return false
}
return true
}
// 更新用户登录状态
func (lm *LockManager) UpdateLoginStatus(username, ipaddr string, loginStatus bool) {
ip, _, err := net.SplitHostPort(ipaddr) // 提取纯 IP 地址，去掉端口号
if err != nil {
base.Error("更新登录状态失败,提取IP地址错误:", ipaddr)
return
}
now := time.Now()
// 更新用户登录状态
lm.UpdateGlobalIPLock(ip, now, loginStatus)
lm.UpdateGlobalUserLock(username, now, loginStatus)
lm.UpdateUserIPLock(username, ip, now, loginStatus)
}

3
server/handler/antiBruteForce.go
View File

@@ -9,11 +9,10 @@ import (
"strings"
"time"
"github.com/bjdgyc/anylink/admin"
"github.com/bjdgyc/anylink/base"
)
var lockManager = admin.GetLockManager()
// var lockManager = admin.GetLockManager()
const loginStatusKey = "login_status"

17
server/handler/link_auth.go
View File

@@ -77,6 +77,13 @@ func LinkAuth(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusBadRequest)
return
}
// 锁定状态判断
if !lockManager.CheckLocked(cr.Auth.Username, r.RemoteAddr) {
w.WriteHeader(http.StatusTooManyRequests)
return
}
// 用户活动日志
ua := &dbdata.UserActLog{
Username: cr.Auth.Username,
@@ -95,8 +102,9 @@ func LinkAuth(w http.ResponseWriter, r *http.Request) {
err = dbdata.CheckUser(cr.Auth.Username, cr.Auth.Password, cr.GroupSelect)
if err != nil {
// lockManager.LoginStatus.Store(loginStatusKey, false) // 记录登录失败状态
hc := r.Context().Value(loginStatusKey).(*HttpContext)
hc.LoginStatus = false
// hc := r.Context().Value(loginStatusKey).(*HttpContext)
// hc.LoginStatus = false
lockManager.UpdateLoginStatus(cr.Auth.Username, r.RemoteAddr, false) // 记录登录失败状态
base.Warn(err, r.RemoteAddr)
ua.Info = err.Error()
@@ -123,8 +131,9 @@ func LinkAuth(w http.ResponseWriter, r *http.Request) {
// 用户otp验证
if base.Cfg.AuthAloneOtp && !v.DisableOtp {
// lockManager.LoginStatus.Store(loginStatusKey, true) // 重置OTP验证计数
hc := r.Context().Value(loginStatusKey).(*HttpContext)
hc.LoginStatus = true
// hc := r.Context().Value(loginStatusKey).(*HttpContext)
// hc.LoginStatus = true
lockManager.UpdateLoginStatus(cr.Auth.Username, r.RemoteAddr, true) // 重置OTP验证计数
sessionID, err := GenerateSessionID()
if err != nil {

21
server/handler/link_auth_otp.go
View File

@@ -9,6 +9,7 @@ import (
"net/http"
"sync"
"github.com/bjdgyc/anylink/admin"
"github.com/bjdgyc/anylink/base"
"github.com/bjdgyc/anylink/dbdata"
"github.com/bjdgyc/anylink/pkg/utils"
@@ -16,6 +17,7 @@ import (
)
var SessStore = NewSessionStore()
var lockManager = admin.GetLockManager()
// const maxOtpErrCount = 3
@@ -110,12 +112,13 @@ func DeleteCookie(w http.ResponseWriter, name string) {
}
func CreateSession(w http.ResponseWriter, r *http.Request, authSession *AuthSession) {
// lockManager.LoginStatus.Store(loginStatusKey, true) // 更新登录成功状态
hc := r.Context().Value(loginStatusKey).(*HttpContext)
hc.LoginStatus = true
// hc := r.Context().Value(loginStatusKey).(*HttpContext)
// hc.LoginStatus = true
cr := authSession.ClientRequest
ua := authSession.UserActLog
lockManager.UpdateLoginStatus(cr.Auth.Username, r.RemoteAddr, true) // 更新登录成功状态
sess := sessdata.NewSession("")
sess.Username = cr.Auth.Username
sess.Group = cr.GroupSelect
@@ -196,6 +199,13 @@ func LinkAuth_otp(w http.ResponseWriter, r *http.Request) {
otpSecret := sessionData.ClientRequest.Auth.OtpSecret
otp := cr.Auth.SecondaryPassword
// 锁定状态判断
if !lockManager.CheckLocked(username, r.RemoteAddr) {
w.WriteHeader(http.StatusTooManyRequests)
SessStore.DeleteAuthSession(sessionID)
return
}
// 动态码错误
if !dbdata.CheckOtp(username, otp, otpSecret) {
// if sessionData.AddOtpErrCount(1) > maxOtpErrCount {
@@ -204,8 +214,9 @@ func LinkAuth_otp(w http.ResponseWriter, r *http.Request) {
// return
// }
// lockManager.LoginStatus.Store(loginStatusKey, false) // 记录登录失败状态
hc := r.Context().Value(loginStatusKey).(*HttpContext)
hc.LoginStatus = false
// hc := r.Context().Value(loginStatusKey).(*HttpContext)
// hc.LoginStatus = false
lockManager.UpdateLoginStatus(username, r.RemoteAddr, false) // 记录登录失败状态
base.Warn("OTP 动态码错误", username, r.RemoteAddr)
ua.Info = "OTP 动态码错误"

6
server/handler/server.go
View File

@@ -111,10 +111,12 @@ func initRoute() http.Handler {
})
r.HandleFunc("/", LinkHome).Methods(http.MethodGet)
r.Handle("/", antiBruteForce(http.HandlerFunc(LinkAuth))).Methods(http.MethodPost)
r.HandleFunc("/", LinkAuth).Methods(http.MethodPost)
// r.Handle("/", antiBruteForce(http.HandlerFunc(LinkAuth))).Methods(http.MethodPost)
r.HandleFunc("/CSCOSSLC/tunnel", LinkTunnel).Methods(http.MethodConnect)
r.HandleFunc("/otp_qr", LinkOtpQr).Methods(http.MethodGet)
r.Handle("/otp-verification", antiBruteForce(http.HandlerFunc(LinkAuth_otp))).Methods(http.MethodPost)
r.HandleFunc("/otp-verification", LinkAuth_otp).Methods(http.MethodPost)
// r.Handle("/otp-verification", antiBruteForce(http.HandlerFunc(LinkAuth_otp))).Methods(http.MethodPost)
r.HandleFunc(fmt.Sprintf("/profile_%s.xml", base.Cfg.ProfileName), func(w http.ResponseWriter, r *http.Request) {
b, _ := os.ReadFile(base.Cfg.Profile)
w.Write(b)