forked from wyx2685/XrayR
/
controller.go
651 lines (590 loc) · 16.7 KB
/
controller.go
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package controller
import (
"errors"
"fmt"
"reflect"
"time"
log "github.com/sirupsen/logrus"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/task"
"github.com/xtls/xray-core/core"
"github.com/xtls/xray-core/features/inbound"
"github.com/xtls/xray-core/features/outbound"
"github.com/xtls/xray-core/features/routing"
"github.com/xtls/xray-core/features/stats"
"github.com/StarNGK/XrayR/api"
"github.com/StarNGK/XrayR/app/mydispatcher"
"github.com/StarNGK/XrayR/common/mylego"
"github.com/StarNGK/XrayR/common/serverstatus"
)
type LimitInfo struct {
end int64
currentSpeedLimit int
originSpeedLimit uint64
}
type Controller struct {
server *core.Instance
config *Config
clientInfo api.ClientInfo
apiClient api.API
nodeInfo *api.NodeInfo
Tag string
userList *[]api.UserInfo
tasks []periodicTask
limitedUsers map[api.UserInfo]LimitInfo
warnedUsers map[api.UserInfo]int
panelType string
ibm inbound.Manager
obm outbound.Manager
stm stats.Manager
dispatcher *mydispatcher.DefaultDispatcher
startAt time.Time
logger *log.Entry
}
type periodicTask struct {
tag string
*task.Periodic
}
// New return a Controller service with default parameters.
func New(server *core.Instance, api api.API, config *Config, panelType string) *Controller {
logger := log.NewEntry(log.StandardLogger()).WithFields(log.Fields{
"Host": api.Describe().APIHost,
"Type": api.Describe().NodeType,
"ID": api.Describe().NodeID,
})
controller := &Controller{
server: server,
config: config,
apiClient: api,
panelType: panelType,
ibm: server.GetFeature(inbound.ManagerType()).(inbound.Manager),
obm: server.GetFeature(outbound.ManagerType()).(outbound.Manager),
stm: server.GetFeature(stats.ManagerType()).(stats.Manager),
dispatcher: server.GetFeature(routing.DispatcherType()).(*mydispatcher.DefaultDispatcher),
startAt: time.Now(),
logger: logger,
}
return controller
}
// Start implement the Start() function of the service interface
func (c *Controller) Start() error {
c.clientInfo = c.apiClient.Describe()
// First fetch Node Info
newNodeInfo, err := c.apiClient.GetNodeInfo()
if err != nil {
return err
}
if newNodeInfo.Port == 0 {
return errors.New("server port must > 0")
}
c.nodeInfo = newNodeInfo
c.Tag = c.buildNodeTag()
// Add new tag
err = c.addNewTag(newNodeInfo)
if err != nil {
c.logger.Panic(err)
return err
}
// Update user
userInfo, err := c.apiClient.GetUserList()
if err != nil {
return err
}
// sync controller userList
c.userList = userInfo
err = c.addNewUser(userInfo, newNodeInfo)
if err != nil {
return err
}
// Add Limiter
if err := c.AddInboundLimiter(c.Tag, newNodeInfo.SpeedLimit, userInfo, c.config.GlobalDeviceLimitConfig); err != nil {
c.logger.Print(err)
}
// Add Rule Manager
if !c.config.DisableGetRule {
if ruleList, err := c.apiClient.GetNodeRule(); err != nil {
c.logger.Printf("Get rule list filed: %s", err)
} else if len(*ruleList) > 0 {
if err := c.UpdateRule(c.Tag, *ruleList); err != nil {
c.logger.Print(err)
}
}
}
// Init AutoSpeedLimitConfig
if c.config.AutoSpeedLimitConfig == nil {
c.config.AutoSpeedLimitConfig = &AutoSpeedLimitConfig{0, 0, 0, 0}
}
if c.config.AutoSpeedLimitConfig.Limit > 0 {
c.limitedUsers = make(map[api.UserInfo]LimitInfo)
c.warnedUsers = make(map[api.UserInfo]int)
}
// Add periodic tasks
c.tasks = append(c.tasks,
periodicTask{
tag: "node monitor",
Periodic: &task.Periodic{
Interval: time.Duration(c.config.UpdatePeriodic) * time.Second,
Execute: c.nodeInfoMonitor,
}},
periodicTask{
tag: "user monitor",
Periodic: &task.Periodic{
Interval: time.Duration(c.config.UpdatePeriodic) * time.Second,
Execute: c.userInfoMonitor,
}},
)
// Check cert service in need
if c.nodeInfo.EnableTLS && !c.config.EnableREALITY {
c.tasks = append(c.tasks, periodicTask{
tag: "cert monitor",
Periodic: &task.Periodic{
Interval: time.Duration(c.config.UpdatePeriodic) * time.Second * 60,
Execute: c.certMonitor,
}})
}
// Start periodic tasks
for i := range c.tasks {
c.logger.Printf("Start %s periodic task", c.tasks[i].tag)
go c.tasks[i].Start()
}
return nil
}
// Close implement the Close() function of the service interface
func (c *Controller) Close() error {
for i := range c.tasks {
if c.tasks[i].Periodic != nil {
if err := c.tasks[i].Periodic.Close(); err != nil {
c.logger.Panicf("%s periodic task close failed: %s", c.tasks[i].tag, err)
}
}
}
return nil
}
func (c *Controller) nodeInfoMonitor() (err error) {
// delay to start
if time.Since(c.startAt) < time.Duration(c.config.UpdatePeriodic)*time.Second {
return nil
}
// First fetch Node Info
var nodeInfoChanged = true
newNodeInfo, err := c.apiClient.GetNodeInfo()
if err != nil {
if err.Error() == api.NodeNotModified {
nodeInfoChanged = false
newNodeInfo = c.nodeInfo
} else {
c.logger.Print(err)
return nil
}
}
if newNodeInfo.Port == 0 {
return errors.New("server port must > 0")
}
// Update User
var usersChanged = true
newUserInfo, err := c.apiClient.GetUserList()
if err != nil {
if err.Error() == api.UserNotModified {
usersChanged = false
newUserInfo = c.userList
} else {
c.logger.Print(err)
return nil
}
}
// If nodeInfo changed
if nodeInfoChanged {
if !reflect.DeepEqual(c.nodeInfo, newNodeInfo) {
// Remove old tag
oldTag := c.Tag
err := c.removeOldTag(oldTag)
if err != nil {
c.logger.Print(err)
return nil
}
if c.nodeInfo.NodeType == "Shadowsocks-Plugin" {
err = c.removeOldTag(fmt.Sprintf("dokodemo-door_%s+1", c.Tag))
}
if err != nil {
c.logger.Print(err)
return nil
}
// Add new tag
c.nodeInfo = newNodeInfo
c.Tag = c.buildNodeTag()
err = c.addNewTag(newNodeInfo)
if err != nil {
c.logger.Print(err)
return nil
}
nodeInfoChanged = true
// Remove Old limiter
if err = c.DeleteInboundLimiter(oldTag); err != nil {
c.logger.Print(err)
return nil
}
} else {
nodeInfoChanged = false
}
}
// Check Rule
if !c.config.DisableGetRule {
if ruleList, err := c.apiClient.GetNodeRule(); err != nil {
if err.Error() != api.RuleNotModified {
c.logger.Printf("Get rule list filed: %s", err)
}
} else if len(*ruleList) > 0 {
if err := c.UpdateRule(c.Tag, *ruleList); err != nil {
c.logger.Print(err)
}
}
}
if nodeInfoChanged {
err = c.addNewUser(newUserInfo, newNodeInfo)
if err != nil {
c.logger.Print(err)
return nil
}
// Add Limiter
if err := c.AddInboundLimiter(c.Tag, newNodeInfo.SpeedLimit, newUserInfo, c.config.GlobalDeviceLimitConfig); err != nil {
c.logger.Print(err)
return nil
}
} else {
var deleted, added []api.UserInfo
if usersChanged {
deleted, added = compareUserList(c.userList, newUserInfo)
if len(deleted) > 0 {
deletedEmail := make([]string, len(deleted))
for i, u := range deleted {
deletedEmail[i] = fmt.Sprintf("%s|%s|%d", c.Tag, u.Email, u.UID)
}
err := c.removeUsers(deletedEmail, c.Tag)
if err != nil {
c.logger.Print(err)
}
}
if len(added) > 0 {
err = c.addNewUser(&added, c.nodeInfo)
if err != nil {
c.logger.Print(err)
}
// Update Limiter
if err := c.UpdateInboundLimiter(c.Tag, &added); err != nil {
c.logger.Print(err)
}
}
}
c.logger.Printf("%d user deleted, %d user added", len(deleted), len(added))
}
c.userList = newUserInfo
return nil
}
func (c *Controller) removeOldTag(oldTag string) (err error) {
err = c.removeInbound(oldTag)
if err != nil {
return err
}
err = c.removeOutbound(oldTag)
if err != nil {
return err
}
return nil
}
func (c *Controller) addNewTag(newNodeInfo *api.NodeInfo) (err error) {
if newNodeInfo.NodeType != "Shadowsocks-Plugin" {
inboundConfig, err := InboundBuilder(c.config, newNodeInfo, c.Tag)
if err != nil {
return err
}
err = c.addInbound(inboundConfig)
if err != nil {
return err
}
outBoundConfig, err := OutboundBuilder(c.config, newNodeInfo, c.Tag)
if err != nil {
return err
}
err = c.addOutbound(outBoundConfig)
if err != nil {
return err
}
} else {
return c.addInboundForSSPlugin(*newNodeInfo)
}
return nil
}
func (c *Controller) addInboundForSSPlugin(newNodeInfo api.NodeInfo) (err error) {
// Shadowsocks-Plugin require a separate inbound for other TransportProtocol likes: ws, grpc
fakeNodeInfo := newNodeInfo
fakeNodeInfo.TransportProtocol = "tcp"
fakeNodeInfo.EnableTLS = false
// Add a regular Shadowsocks inbound and outbound
inboundConfig, err := InboundBuilder(c.config, &fakeNodeInfo, c.Tag)
if err != nil {
return err
}
err = c.addInbound(inboundConfig)
if err != nil {
return err
}
outBoundConfig, err := OutboundBuilder(c.config, &fakeNodeInfo, c.Tag)
if err != nil {
return err
}
err = c.addOutbound(outBoundConfig)
if err != nil {
return err
}
// Add an inbound for upper streaming protocol
fakeNodeInfo = newNodeInfo
fakeNodeInfo.Port++
fakeNodeInfo.NodeType = "dokodemo-door"
dokodemoTag := fmt.Sprintf("dokodemo-door_%s+1", c.Tag)
inboundConfig, err = InboundBuilder(c.config, &fakeNodeInfo, dokodemoTag)
if err != nil {
return err
}
err = c.addInbound(inboundConfig)
if err != nil {
return err
}
outBoundConfig, err = OutboundBuilder(c.config, &fakeNodeInfo, dokodemoTag)
if err != nil {
return err
}
err = c.addOutbound(outBoundConfig)
if err != nil {
return err
}
return nil
}
func (c *Controller) addNewUser(userInfo *[]api.UserInfo, nodeInfo *api.NodeInfo) (err error) {
users := make([]*protocol.User, 0)
switch nodeInfo.NodeType {
case "V2ray":
if nodeInfo.EnableVless {
users = c.buildVlessUser(userInfo)
} else {
users = c.buildVmessUser(userInfo)
}
case "Trojan":
users = c.buildTrojanUser(userInfo)
case "Shadowsocks":
users = c.buildSSUser(userInfo, nodeInfo.CypherMethod)
case "Shadowsocks-Plugin":
users = c.buildSSPluginUser(userInfo)
default:
return fmt.Errorf("unsupported node type: %s", nodeInfo.NodeType)
}
err = c.addUsers(users, c.Tag)
if err != nil {
return err
}
c.logger.Printf("Added %d new users", len(*userInfo))
return nil
}
func compareUserList(old, new *[]api.UserInfo) (deleted, added []api.UserInfo) {
mSrc := make(map[api.UserInfo]byte) // 按源数组建索引
mAll := make(map[api.UserInfo]byte) // 源+目所有元素建索引
var set []api.UserInfo // 交集
// 1.源数组建立map
for _, v := range *old {
mSrc[v] = 0
mAll[v] = 0
}
// 2.目数组中,存不进去,即重复元素,所有存不进去的集合就是并集
for _, v := range *new {
l := len(mAll)
mAll[v] = 1
if l != len(mAll) { // 长度变化,即可以存
l = len(mAll)
} else { // 存不了,进并集
set = append(set, v)
}
}
// 3.遍历交集,在并集中找,找到就从并集中删,删完后就是补集(即并-交=所有变化的元素)
for _, v := range set {
delete(mAll, v)
}
// 4.此时,mall是补集,所有元素去源中找,找到就是删除的,找不到的必定能在目数组中找到,即新加的
for v := range mAll {
_, exist := mSrc[v]
if exist {
deleted = append(deleted, v)
} else {
added = append(added, v)
}
}
return deleted, added
}
func limitUser(c *Controller, user api.UserInfo, silentUsers *[]api.UserInfo) {
c.limitedUsers[user] = LimitInfo{
end: time.Now().Unix() + int64(c.config.AutoSpeedLimitConfig.LimitDuration*60),
currentSpeedLimit: c.config.AutoSpeedLimitConfig.LimitSpeed,
originSpeedLimit: user.SpeedLimit,
}
c.logger.Printf("Limit User: %s Speed: %d End: %s", c.buildUserTag(&user), c.config.AutoSpeedLimitConfig.LimitSpeed, time.Unix(c.limitedUsers[user].end, 0).Format("01-02 15:04:05"))
user.SpeedLimit = uint64((c.config.AutoSpeedLimitConfig.LimitSpeed * 1000000) / 8)
*silentUsers = append(*silentUsers, user)
}
func (c *Controller) userInfoMonitor() (err error) {
// delay to start
if time.Since(c.startAt) < time.Duration(c.config.UpdatePeriodic)*time.Second {
return nil
}
// Get server status
CPU, Mem, Disk, Uptime, err := serverstatus.GetSystemInfo()
if err != nil {
c.logger.Print(err)
}
err = c.apiClient.ReportNodeStatus(
&api.NodeStatus{
CPU: CPU,
Mem: Mem,
Disk: Disk,
Uptime: Uptime,
})
if err != nil {
c.logger.Print(err)
}
// Unlock users
if c.config.AutoSpeedLimitConfig.Limit > 0 && len(c.limitedUsers) > 0 {
c.logger.Printf("Limited users:")
toReleaseUsers := make([]api.UserInfo, 0)
for user, limitInfo := range c.limitedUsers {
if time.Now().Unix() > limitInfo.end {
user.SpeedLimit = limitInfo.originSpeedLimit
toReleaseUsers = append(toReleaseUsers, user)
c.logger.Printf("User: %s Speed: %d End: nil (Unlimit)", c.buildUserTag(&user), user.SpeedLimit)
delete(c.limitedUsers, user)
} else {
c.logger.Printf("User: %s Speed: %d End: %s", c.buildUserTag(&user), limitInfo.currentSpeedLimit, time.Unix(c.limitedUsers[user].end, 0).Format("01-02 15:04:05"))
}
}
if len(toReleaseUsers) > 0 {
if err := c.UpdateInboundLimiter(c.Tag, &toReleaseUsers); err != nil {
c.logger.Print(err)
}
}
}
// Get User traffic
var userTraffic []api.UserTraffic
var upCounterList []stats.Counter
var downCounterList []stats.Counter
AutoSpeedLimit := int64(c.config.AutoSpeedLimitConfig.Limit)
UpdatePeriodic := int64(c.config.UpdatePeriodic)
limitedUsers := make([]api.UserInfo, 0)
for _, user := range *c.userList {
up, down, upCounter, downCounter := c.getTraffic(c.buildUserTag(&user))
if up > 0 || down > 0 {
// Over speed users
if AutoSpeedLimit > 0 {
if down > AutoSpeedLimit*1000000*UpdatePeriodic/8 || up > AutoSpeedLimit*1000000*UpdatePeriodic/8 {
if _, ok := c.limitedUsers[user]; !ok {
if c.config.AutoSpeedLimitConfig.WarnTimes == 0 {
limitUser(c, user, &limitedUsers)
} else {
c.warnedUsers[user] += 1
if c.warnedUsers[user] > c.config.AutoSpeedLimitConfig.WarnTimes {
limitUser(c, user, &limitedUsers)
delete(c.warnedUsers, user)
}
}
}
} else {
delete(c.warnedUsers, user)
}
}
userTraffic = append(userTraffic, api.UserTraffic{
UID: user.UID,
Email: user.Email,
Upload: up,
Download: down})
if upCounter != nil {
upCounterList = append(upCounterList, upCounter)
}
if downCounter != nil {
downCounterList = append(downCounterList, downCounter)
}
} else {
delete(c.warnedUsers, user)
}
}
if len(limitedUsers) > 0 {
if err := c.UpdateInboundLimiter(c.Tag, &limitedUsers); err != nil {
c.logger.Print(err)
}
}
if len(userTraffic) > 0 {
var err error // Define an empty error
if !c.config.DisableUploadTraffic {
err = c.apiClient.ReportUserTraffic(&userTraffic)
}
// If report traffic error, not clear the traffic
if err != nil {
c.logger.Print(err)
} else {
c.resetTraffic(&upCounterList, &downCounterList)
}
}
// Report Online info
if onlineDevice, err := c.GetOnlineDevice(c.Tag); err != nil {
c.logger.Print(err)
} else if len(*onlineDevice) > 0 {
// Only report user has traffic > 100kb to allow ping test
var result []api.OnlineUser
var nocountUID = make(map[int]struct{})
for _, traffic := range userTraffic {
total := traffic.Upload + traffic.Download
if total < int64(c.config.DeviceOnlineMinTraffic*1000) {
nocountUID[traffic.UID] = struct{}{}
}
}
for _, online := range *onlineDevice {
if _, ok := nocountUID[online.UID]; !ok {
result = append(result, online)
}
}
if err = c.apiClient.ReportNodeOnlineUsers(&result); err != nil {
log.Print(err)
} else {
log.Printf("Total %d online users, %d Reported", len(*onlineDevice), len(result))
}
}
// Report Illegal user
if detectResult, err := c.GetDetectResult(c.Tag); err != nil {
c.logger.Print(err)
} else if len(*detectResult) > 0 {
if err = c.apiClient.ReportIllegal(detectResult); err != nil {
c.logger.Print(err)
} else {
c.logger.Printf("Report %d illegal behaviors", len(*detectResult))
}
}
return nil
}
func (c *Controller) buildNodeTag() string {
return fmt.Sprintf("%s_%s_%d", c.nodeInfo.NodeType, c.config.ListenIP, c.nodeInfo.Port)
}
// func (c *Controller) logPrefix() string {
// return fmt.Sprintf("[%s] %s(ID=%d)", c.clientInfo.APIHost, c.nodeInfo.NodeType, c.nodeInfo.NodeID)
// }
// Check Cert
func (c *Controller) certMonitor() error {
if c.nodeInfo.EnableTLS && !c.config.EnableREALITY {
switch c.config.CertConfig.CertMode {
case "dns", "http", "tls":
lego, err := mylego.New(c.config.CertConfig)
if err != nil {
c.logger.Print(err)
}
// Xray-core supports the OcspStapling certification hot renew
_, _, _, err = lego.RenewCert()
if err != nil {
c.logger.Print(err)
}
}
}
return nil
}