mirror of
https://github.com/MHSanaei/3x-ui.git
synced 2025-07-01 20:42:07 +00:00
416 lines
11 KiB
Go
416 lines
11 KiB
Go
package job
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import (
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"bufio"
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"encoding/json"
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"io"
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"log"
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"os"
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"os/exec"
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"regexp"
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"sort"
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"time"
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"slices"
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"x-ui/database"
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"x-ui/web/service"
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"x-ui/database/model"
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"x-ui/logger"
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"x-ui/xray"
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)
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type CheckClientIpJob struct {
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lastClear int64
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disAllowedIps []string
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}
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var job *CheckClientIpJob
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func NewCheckClientIpJob() *CheckClientIpJob {
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job = new(CheckClientIpJob)
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return job
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}
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func (j *CheckClientIpJob) Run() {
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if j.lastClear == 0 {
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j.lastClear = time.Now().Unix()
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}
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shouldClearAccessLog := false
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iplimitActive := j.hasLimitOrDeviceLimit() // 修改:检查LimitIP或MaxDevices
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f2bInstalled := j.checkFail2BanInstalled()
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isAccessLogAvailable := j.checkAccessLogAvailable(iplimitActive)
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if iplimitActive {
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if f2bInstalled && isAccessLogAvailable {
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shouldClearAccessLog = j.processLogFile()
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} else {
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if !f2bInstalled {
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logger.Warning("[LimitIP/MaxDevices] Fail2Ban is not installed, Please install Fail2Ban from the x-ui bash menu.")
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}
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}
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}
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if shouldClearAccessLog || (isAccessLogAvailable && time.Now().Unix()-j.lastClear > 3600) {
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j.clearAccessLog()
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}
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}
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func (j *CheckClientIpJob) clearAccessLog() {
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logAccessP, err := os.OpenFile(xray.GetAccessPersistentLogPath(), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o644)
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j.checkError(err)
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accessLogPath, err := xray.GetAccessLogPath()
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j.checkError(err)
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file, err := os.Open(accessLogPath)
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j.checkError(err)
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_, err = io.Copy(logAccessP, file)
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j.checkError(err)
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logAccessP.Close()
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file.Close()
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err = os.Truncate(accessLogPath, 0)
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j.checkError(err)
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j.lastClear = time.Now().Unix()
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}
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func (j *CheckClientIpJob) hasLimitOrDeviceLimit() bool { // 修改函数名和逻辑
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db := database.GetDB()
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var inbounds []*model.Inbound
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err := db.Model(model.Inbound{}).Find(&inbounds).Error
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if err != nil {
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return false
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}
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for _, inbound := range inbounds {
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if inbound.Settings == "" {
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continue
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}
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settings := map[string][]model.Client{}
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json.Unmarshal([]byte(inbound.Settings), &settings)
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clients := settings["clients"]
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for _, client := range clients {
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limitIp := client.LimitIP
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maxDevices := client.MaxDevices // 新增:获取MaxDevices
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if limitIp > 0 || maxDevices > 0 { // 修改:检查LimitIP或MaxDevices
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return true
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}
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}
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}
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return false
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}
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func (j *CheckClientIpJob) processLogFile() bool {
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ipRegex := regexp.MustCompile(`from (?:tcp:|udp:)?\[?([0-9a-fA-F\.:]+)\]?:\d+ accepted`)
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emailRegex := regexp.MustCompile(`email: (.+)$`)
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accessLogPath, _ := xray.GetAccessLogPath()
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file, _ := os.Open(accessLogPath)
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defer file.Close()
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inboundClientIps := make(map[string]map[string]struct{}, 100)
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := scanner.Text()
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ipMatches := ipRegex.FindStringSubmatch(line)
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if len(ipMatches) < 2 {
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continue
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}
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ip := ipMatches[1]
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if ip == "127.0.0.1" || ip == "::1" {
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continue
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}
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emailMatches := emailRegex.FindStringSubmatch(line)
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if len(emailMatches) < 2 {
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continue
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}
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email := emailMatches[1]
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if _, exists := inboundClientIps[email]; !exists {
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inboundClientIps[email] = make(map[string]struct{})
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}
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inboundClientIps[email][ip] = struct{}{}
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}
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shouldCleanLog := false
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db := database.GetDB()
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var clientInboundID uint
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for email, uniqueIps := range inboundClientIps {
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var clientData model.Client
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// Find the client by email. This requires iterating through inbounds and their clients.
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// This is a simplified representation. In a real scenario, you'd need a more efficient way to get client by email.
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foundClient := false
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var allInbounds []*model.Inbound
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db.Find(&allInbounds)
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for _, inbound := range allInbounds {
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if inbound.Settings == "" {
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continue
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}
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settings := map[string][]model.Client{}
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json.Unmarshal([]byte(inbound.Settings), &settings)
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clients := settings["clients"]
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for _, c := range clients {
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// Match client by email, or ID, or password based on what's available and matches 'email' (which is clientIdentifier in this context)
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clientIdentifierInLog := email // email from log is the clientIdentifier
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matched := false
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if c.Email != "" && c.Email == clientIdentifierInLog {
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matched = true
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} else if c.ID != "" && c.ID == clientIdentifierInLog { // For vmess/vless if email is used as ID in logs
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matched = true
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} else if c.Password != "" && c.Password == clientIdentifierInLog { // For trojan if email is used as password in logs
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matched = true
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}
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if matched {
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clientData = c
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clientInboundID = inbound.Id // Store the inbound ID
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foundClient = true
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break
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}
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}
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if foundClient {
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break
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}
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}
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if !foundClient {
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logger.Warningf("Client with identifier %s not found for IP processing", email)
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continue
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}
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currentLoggedIps := make([]string, 0, len(uniqueIps))
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for ip := range uniqueIps {
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currentLoggedIps = append(currentLoggedIps, ip)
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}
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sort.Strings(currentLoggedIps)
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clientIpsRecord, err := j.getInboundClientIps(email) // This function likely needs to be adapted or clientData used directly
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activeIPs := []string{}
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if clientData.ActiveIPs != "" {
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errUnmarshal := json.Unmarshal([]byte(clientData.ActiveIPs), &activeIPs)
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if errUnmarshal != nil {
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logger.Warningf("Error unmarshalling ActiveIPs for client %s: %v", email, errUnmarshal)
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activeIPs = []string{} // Reset if unmarshalling fails
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}
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}
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newActiveIPs := make([]string, len(activeIPs))
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copy(newActiveIPs, activeIPs)
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changedActiveIPs := false
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for _, loggedIp := range currentLoggedIps {
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isExistingActiveIP := j.contains(newActiveIPs, loggedIp)
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if clientData.MaxDevices > 0 {
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if !isExistingActiveIP {
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if len(newActiveIPs) < clientData.MaxDevices {
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newActiveIPs = append(newActiveIPs, loggedIp)
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changedActiveIPs = true
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} else {
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if !j.contains(j.disAllowedIps, loggedIp) {
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j.disAllowedIps = append(j.disAllowedIps, loggedIp)
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logger.Infof("[MaxDevices] IP %s for client %s banned due to exceeding max device limit (%d)", loggedIp, email, clientData.MaxDevices)
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shouldCleanLog = true
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}
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}
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}
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} // End MaxDevices check
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} // End loop currentLoggedIps
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if changedActiveIPs {
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activeIPsBytes, marshalErr := json.Marshal(newActiveIPs)
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if marshalErr != nil {
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logger.Warningf("Error marshalling new ActiveIPs for client %s: %v", email, marshalErr)
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} else {
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// Update clientData.ActiveIPs in the database
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// This part is complex because clientData is part of a JSON string in Inbound.Settings
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// A proper solution would involve updating the specific client within the Inbound's settings JSON
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// and then saving the Inbound object.
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// For simplicity, we'll log it. A full implementation needs to update the DB.
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logger.Infof("Client %s ActiveIPs updated to: %s", email, string(activeIPsBytes))
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// Placeholder for actual DB update logic for clientData.ActiveIPs
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// Example: err := s.updateClientActiveIPsInDB(inbound.Id, clientData.ID_or_Email, string(activeIPsBytes)); if err != nil { ... }
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inboundService := service.InboundService{} // Create an instance of InboundService
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dbUpdateErr := inboundService.UpdateClientActiveIPsInDB(clientInboundID, email, string(activeIPsBytes))
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if dbUpdateErr != nil {
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logger.Warningf("Failed to update ActiveIPs in DB for client %s: %v", email, dbUpdateErr)
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}
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}
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}
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if err != nil { // This 'err' is from j.getInboundClientIps(email)
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j.addInboundClientIps(email, currentLoggedIps) // This function likely needs to be adapted
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continue
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}
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// Original LimitIP logic (needs to be integrated with new ActiveIPs logic if LimitIP is also active)
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shouldCleanLog = j.updateInboundClientIps(clientIpsRecord, email, currentLoggedIps) || shouldCleanLog
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}
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return shouldCleanLog
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}
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func (j *CheckClientIpJob) checkFail2BanInstalled() bool {
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cmd := "fail2ban-client"
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args := []string{"-h"}
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err := exec.Command(cmd, args...).Run()
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return err == nil
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}
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func (j *CheckClientIpJob) checkAccessLogAvailable(iplimitActive bool) bool {
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accessLogPath, err := xray.GetAccessLogPath()
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if err != nil {
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return false
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}
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if accessLogPath == "none" || accessLogPath == "" {
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if iplimitActive {
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logger.Warning("[LimitIP/MaxDevices] Access log path is not set, Please configure the access log path in Xray configs.") // Updated log message
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}
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return false
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}
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return true
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}
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func (j *CheckClientIpJob) checkError(e error) {
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if e != nil {
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logger.Warning("client ip job err:", e)
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}
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}
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func (j *CheckClientIpJob) contains(s []string, str string) bool {
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return slices.Contains(s, str)
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}
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func (j *CheckClientIpJob) getInboundClientIps(clientEmail string) (*model.InboundClientIps, error) {
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db := database.GetDB()
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InboundClientIps := &model.InboundClientIps{}
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err := db.Model(model.InboundClientIps{}).Where("client_email = ?", clientEmail).First(InboundClientIps).Error
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if err != nil {
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return nil, err
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}
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return InboundClientIps, nil
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}
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func (j *CheckClientIpJob) addInboundClientIps(clientEmail string, ips []string) error {
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inboundClientIps := &model.InboundClientIps{}
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jsonIps, err := json.Marshal(ips)
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j.checkError(err)
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inboundClientIps.ClientEmail = clientEmail
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inboundClientIps.Ips = string(jsonIps)
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db := database.GetDB()
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tx := db.Begin()
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defer func() {
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if err == nil {
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tx.Commit()
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} else {
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tx.Rollback()
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}
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}()
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err = tx.Save(inboundClientIps).Error
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if err != nil {
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return err
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}
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return nil
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}
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func (j *CheckClientIpJob) updateInboundClientIps(inboundClientIps *model.InboundClientIps, clientEmail string, ips []string) bool {
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jsonIps, err := json.Marshal(ips)
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if err != nil {
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logger.Error("failed to marshal IPs to JSON:", err)
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return false
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}
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inboundClientIps.ClientEmail = clientEmail
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inboundClientIps.Ips = string(jsonIps)
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inbound, err := j.getInboundByEmail(clientEmail)
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if err != nil {
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logger.Errorf("failed to fetch inbound settings for email %s: %s", clientEmail, err)
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return false
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}
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if inbound.Settings == "" {
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logger.Debug("wrong data:", inbound)
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return false
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}
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settings := map[string][]model.Client{}
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json.Unmarshal([]byte(inbound.Settings), &settings)
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clients := settings["clients"]
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shouldCleanLog := false
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j.disAllowedIps = []string{}
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logIpFile, err := os.OpenFile(xray.GetIPLimitLogPath(), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
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if err != nil {
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logger.Errorf("failed to open IP limit log file: %s", err)
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return false
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}
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defer logIpFile.Close()
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log.SetOutput(logIpFile)
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log.SetFlags(log.LstdFlags)
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for _, client := range clients {
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if client.Email == clientEmail {
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limitIp := client.LimitIP
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if limitIp > 0 && inbound.Enable {
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shouldCleanLog = true
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if limitIp < len(ips) {
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j.disAllowedIps = append(j.disAllowedIps, ips[limitIp:]...)
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for i := limitIp; i < len(ips); i++ {
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log.Printf("[LIMIT_IP] Email = %s || SRC = %s", clientEmail, ips[i])
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}
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}
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}
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}
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}
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sort.Strings(j.disAllowedIps)
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if len(j.disAllowedIps) > 0 {
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logger.Debug("disAllowedIps:", j.disAllowedIps)
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}
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db := database.GetDB()
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err = db.Save(inboundClientIps).Error
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if err != nil {
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logger.Error("failed to save inboundClientIps:", err)
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return false
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}
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return shouldCleanLog
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}
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func (j *CheckClientIpJob) getInboundByEmail(clientEmail string) (*model.Inbound, error) {
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db := database.GetDB()
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inbound := &model.Inbound{}
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err := db.Model(&model.Inbound{}).Where("settings LIKE ?", "%"+clientEmail+"%").First(inbound).Error
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if err != nil {
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return nil, err
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}
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return inbound, nil
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}
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