mirror of
https://github.com/cmz0228/hysteria-dev.git
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218 lines
5.5 KiB
Go
218 lines
5.5 KiB
Go
package trafficlogger
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"strconv"
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"sync"
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"time"
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"github.com/apernet/hysteria/core/v2/server"
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)
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const (
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indexHTML = `<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Hysteria Traffic Stats API Server</title> <style>body{font-family: Arial, sans-serif; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; padding: 0; background-color: #f4f4f4;}.container{padding: 20px; background-color: #fff; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); border-radius: 5px;}</style></head><body> <div class="container"> <p>This is a Hysteria Traffic Stats API server.</p><p>Check the documentation for usage.</p></div></body></html>`
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)
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// TrafficStatsServer implements both server.TrafficLogger and http.Handler
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// to provide a simple HTTP API to get the traffic stats per user.
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type TrafficStatsServer interface {
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server.TrafficLogger
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http.Handler
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}
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func NewTrafficStatsServer(secret string) TrafficStatsServer {
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return &trafficStatsServerImpl{
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StatsMap: make(map[string]*trafficStatsEntry),
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KickMap: make(map[string]struct{}),
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OnlineMap: make(map[string]int),
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Secret: secret,
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}
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}
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type TrafficPushRequest struct {
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Data map[string][2]int64
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}
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// 定时提交用户流量情况
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func (s *trafficStatsServerImpl) PushTrafficToV2boardInterval(url string, interval time.Duration) {
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fmt.Println("用户流量情况监控已启动,提交周期为:", interval)
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ticker := time.NewTicker(interval)
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defer ticker.Stop()
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for range ticker.C {
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if err := s.PushTrafficToV2board(url); err != nil {
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fmt.Println("用户流量信息提交失败:", err)
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}
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}
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}
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// 向v2board 提交用户流量使用情况
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func (s *trafficStatsServerImpl) PushTrafficToV2board(url string) error {
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s.Mutex.Lock() // 写锁，阻止其他操作 StatsMap 的并发访问
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defer s.Mutex.Unlock() // 确保在函数退出时释放写锁
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request := TrafficPushRequest{
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Data: make(map[string][2]int64),
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}
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for id, stats := range s.StatsMap {
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request.Data[id] = [2]int64{int64(stats.Tx), int64(stats.Rx)}
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}
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if len(request.Data) == 0 {
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return nil
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}
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jsonData, err := json.Marshal(request.Data)
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if err != nil {
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return err
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}
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resp, err := http.Post(url, "application/json", bytes.NewBuffer(jsonData))
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if err != nil {
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fmt.Println(resp)
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return err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return errors.New("HTTP request failed with status code: " + resp.Status)
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}
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s.StatsMap = make(map[string]*trafficStatsEntry)
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return nil
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}
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type trafficStatsServerImpl struct {
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Mutex sync.RWMutex
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StatsMap map[string]*trafficStatsEntry
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OnlineMap map[string]int
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KickMap map[string]struct{}
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Secret string
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}
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type trafficStatsEntry struct {
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Tx uint64 `json:"tx"`
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Rx uint64 `json:"rx"`
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}
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func (s *trafficStatsServerImpl) LogTraffic(id string, tx, rx uint64) (ok bool) {
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s.Mutex.Lock()
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defer s.Mutex.Unlock()
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_, ok = s.KickMap[id]
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if ok {
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delete(s.KickMap, id)
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return false
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}
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entry, ok := s.StatsMap[id]
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if !ok {
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entry = &trafficStatsEntry{}
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s.StatsMap[id] = entry
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}
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entry.Tx += tx
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entry.Rx += rx
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return true
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}
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// LogOnlineStateChanged updates the online state to the online map.
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func (s *trafficStatsServerImpl) LogOnlineState(id string, online bool) {
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s.Mutex.Lock()
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defer s.Mutex.Unlock()
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if online {
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s.OnlineMap[id]++
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} else {
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s.OnlineMap[id]--
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if s.OnlineMap[id] <= 0 {
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delete(s.OnlineMap, id)
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}
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}
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}
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func (s *trafficStatsServerImpl) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if s.Secret != "" && r.Header.Get("Authorization") != s.Secret {
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http.Error(w, "unauthorized", http.StatusUnauthorized)
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return
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}
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if r.Method == http.MethodGet && r.URL.Path == "/" {
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_, _ = w.Write([]byte(indexHTML))
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return
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}
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if r.Method == http.MethodGet && r.URL.Path == "/traffic" {
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s.getTraffic(w, r)
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return
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}
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if r.Method == http.MethodPost && r.URL.Path == "/kick" {
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s.kick(w, r)
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return
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}
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if r.Method == http.MethodGet && r.URL.Path == "/online" {
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s.getOnline(w, r)
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return
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}
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http.NotFound(w, r)
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}
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func (s *trafficStatsServerImpl) getTraffic(w http.ResponseWriter, r *http.Request) {
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bClear, _ := strconv.ParseBool(r.URL.Query().Get("clear"))
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var jb []byte
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var err error
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if bClear {
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s.Mutex.Lock()
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jb, err = json.Marshal(s.StatsMap)
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s.StatsMap = make(map[string]*trafficStatsEntry)
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s.Mutex.Unlock()
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} else {
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s.Mutex.RLock()
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jb, err = json.Marshal(s.StatsMap)
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s.Mutex.RUnlock()
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}
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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_, _ = w.Write(jb)
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}
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func (s *trafficStatsServerImpl) getOnline(w http.ResponseWriter, r *http.Request) {
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s.Mutex.RLock()
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defer s.Mutex.RUnlock()
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jb, err := json.Marshal(s.OnlineMap)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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_, _ = w.Write(jb)
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}
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func (s *trafficStatsServerImpl) kick(w http.ResponseWriter, r *http.Request) {
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var ids []string
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err := json.NewDecoder(r.Body).Decode(&ids)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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s.Mutex.Lock()
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for _, id := range ids {
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s.KickMap[id] = struct{}{}
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}
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s.Mutex.Unlock()
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w.WriteHeader(http.StatusOK)
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}
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// 踢出用户名单
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func (s *trafficStatsServerImpl) NewKick(id string) bool {
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s.Mutex.Lock()
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s.KickMap[id] = struct{}{}
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s.Mutex.Unlock()
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return true
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}
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