mirror of
https://github.com/TeaOSLab/EdgeNode.git
synced 2025-11-08 03:00:27 +08:00
344 lines
7.4 KiB
Go
344 lines
7.4 KiB
Go
package iplibrary
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import (
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"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
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"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
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teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
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"github.com/TeaOSLab/EdgeNode/internal/events"
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"github.com/TeaOSLab/EdgeNode/internal/goman"
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"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
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"github.com/TeaOSLab/EdgeNode/internal/rpc"
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"github.com/TeaOSLab/EdgeNode/internal/trackers"
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"github.com/TeaOSLab/EdgeNode/internal/utils"
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"github.com/TeaOSLab/EdgeNode/internal/waf"
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"github.com/TeaOSLab/EdgeNode/internal/zero"
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"github.com/iwind/TeaGo/Tea"
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"github.com/iwind/TeaGo/types"
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"os"
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"sync"
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"time"
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)
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var SharedIPListManager = NewIPListManager()
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var IPListUpdateNotify = make(chan bool, 1)
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func init() {
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if !teaconst.IsMain {
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return
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}
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events.On(events.EventLoaded, func() {
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goman.New(func() {
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SharedIPListManager.Start()
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})
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})
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events.OnClose(func() {
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SharedIPListManager.Stop()
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})
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var ticker = time.NewTicker(24 * time.Hour)
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goman.New(func() {
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for range ticker.C {
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SharedIPListManager.DeleteExpiredItems()
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}
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})
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}
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// IPListManager IP名单管理
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type IPListManager struct {
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ticker *time.Ticker
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db IPListDB
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lastVersion int64
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fetchPageSize int64
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listMap map[int64]*IPList
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locker sync.Mutex
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isFirstTime bool
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}
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func NewIPListManager() *IPListManager {
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return &IPListManager{
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fetchPageSize: 5_000,
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listMap: map[int64]*IPList{},
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isFirstTime: true,
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}
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}
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func (this *IPListManager) Start() {
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this.init()
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// 第一次读取
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err := this.loop()
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if err != nil {
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remotelogs.ErrorObject("IP_LIST_MANAGER", err)
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}
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this.ticker = time.NewTicker(60 * time.Second)
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if Tea.IsTesting() {
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this.ticker = time.NewTicker(10 * time.Second)
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}
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var countErrors = 0
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for {
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select {
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case <-this.ticker.C:
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case <-IPListUpdateNotify:
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}
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err = this.loop()
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if err != nil {
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countErrors++
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remotelogs.ErrorObject("IP_LIST_MANAGER", err)
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// 连续错误小于3次的我们立即重试
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if countErrors <= 3 {
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select {
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case IPListUpdateNotify <- true:
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default:
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}
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}
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} else {
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countErrors = 0
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}
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}
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}
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func (this *IPListManager) Stop() {
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if this.ticker != nil {
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this.ticker.Stop()
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}
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}
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func (this *IPListManager) init() {
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// 从数据库中当中读取数据
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// 检查sqlite文件是否存在，以便决定使用sqlite还是kv
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var sqlitePath = Tea.Root + "/data/ip_list.db"
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_, sqliteErr := os.Stat(sqlitePath)
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var db IPListDB
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var err error
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if sqliteErr == nil || !teaconst.EnableKVCacheStore {
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db, err = NewSQLiteIPList()
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} else {
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db, err = NewKVIPList()
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}
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if err != nil {
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remotelogs.Error("IP_LIST_MANAGER", "create ip list local database failed: "+err.Error())
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} else {
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this.db = db
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// 删除本地数据库中过期的条目
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_ = db.DeleteExpiredItems()
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// 本地数据库中最大版本号
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this.lastVersion, err = db.ReadMaxVersion()
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if err != nil {
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remotelogs.Error("IP_LIST_MANAGER", "find max version failed: "+err.Error())
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this.lastVersion = 0
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}
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remotelogs.Println("IP_LIST_MANAGER", "starting from '"+db.Name()+"' version '"+types.String(this.lastVersion)+"' ...")
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// 从本地数据库中加载
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var offset int64 = 0
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var size int64 = 2_000
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var tr = trackers.Begin("IP_LIST_MANAGER:load")
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defer tr.End()
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for {
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items, goNext, readErr := db.ReadItems(offset, size)
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var l = len(items)
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if readErr != nil {
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remotelogs.Error("IP_LIST_MANAGER", "read ip list from local database failed: "+readErr.Error())
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} else {
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if !goNext {
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break
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}
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this.processItems(items, false)
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}
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offset += int64(l)
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}
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}
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}
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func (this *IPListManager) loop() error {
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// 是否同步IP名单
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nodeConfig, _ := nodeconfigs.SharedNodeConfig()
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if nodeConfig != nil && !nodeConfig.EnableIPLists {
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return nil
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}
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// 第一次同步则打印信息
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if this.isFirstTime {
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remotelogs.Println("IP_LIST_MANAGER", "initializing ip items ...")
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}
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for {
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hasNext, err := this.fetch()
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if err != nil {
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return err
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}
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if !hasNext {
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break
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}
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time.Sleep(1 * time.Second)
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}
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// 第一次同步则打印信息
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if this.isFirstTime {
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this.isFirstTime = false
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remotelogs.Println("IP_LIST_MANAGER", "finished initializing ip items")
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}
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return nil
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}
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func (this *IPListManager) fetch() (hasNext bool, err error) {
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rpcClient, err := rpc.SharedRPC()
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if err != nil {
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return false, err
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}
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itemsResp, err := rpcClient.IPItemRPC.ListIPItemsAfterVersion(rpcClient.Context(), &pb.ListIPItemsAfterVersionRequest{
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Version: this.lastVersion,
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Size: this.fetchPageSize,
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})
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if err != nil {
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if rpc.IsConnError(err) {
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remotelogs.Debug("IP_LIST_MANAGER", "rpc connection error: "+err.Error())
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return false, nil
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}
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return false, err
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}
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var items = itemsResp.IpItems
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if len(items) == 0 {
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return false, nil
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}
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// 保存到本地数据库
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if this.db != nil {
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for _, item := range items {
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err = this.db.AddItem(item)
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if err != nil {
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remotelogs.Error("IP_LIST_MANAGER", "insert item to local database failed: "+err.Error())
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}
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}
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}
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this.processItems(items, true)
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return true, nil
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}
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func (this *IPListManager) FindList(listId int64) *IPList {
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this.locker.Lock()
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var list = this.listMap[listId]
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this.locker.Unlock()
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return list
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}
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func (this *IPListManager) DeleteExpiredItems() {
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if this.db != nil {
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_ = this.db.DeleteExpiredItems()
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}
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}
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// 处理IP条目
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func (this *IPListManager) processItems(items []*pb.IPItem, fromRemote bool) {
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var changedLists = map[*IPList]zero.Zero{}
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for _, item := range items {
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// 调试
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if Tea.IsTesting() {
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this.debugItem(item)
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}
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var list *IPList
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// TODO 实现节点专有List
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if item.ServerId > 0 { // 服务专有List
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switch item.ListType {
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case "black":
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list = SharedServerListManager.FindBlackList(item.ServerId, true)
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case "white":
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list = SharedServerListManager.FindWhiteList(item.ServerId, true)
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}
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} else if item.IsGlobal { // 全局List
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switch item.ListType {
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case "black":
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list = GlobalBlackIPList
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case "white":
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list = GlobalWhiteIPList
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}
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} else { // 其他List
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this.locker.Lock()
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list = this.listMap[item.ListId]
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this.locker.Unlock()
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}
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if list == nil {
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list = NewIPList()
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this.locker.Lock()
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this.listMap[item.ListId] = list
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this.locker.Unlock()
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}
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changedLists[list] = zero.New()
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if item.IsDeleted {
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list.Delete(uint64(item.Id))
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// 从WAF名单中删除
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waf.SharedIPBlackList.RemoveIP(item.IpFrom, item.ServerId, fromRemote)
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// 操作事件
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if fromRemote {
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SharedActionManager.DeleteItem(item.ListType, item)
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}
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continue
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}
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list.AddDelay(&IPItem{
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Id: uint64(item.Id),
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Type: item.Type,
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IPFrom: utils.IP2LongHash(item.IpFrom),
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IPTo: utils.IP2LongHash(item.IpTo),
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ExpiredAt: item.ExpiredAt,
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EventLevel: item.EventLevel,
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})
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// 事件操作
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if fromRemote {
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SharedActionManager.DeleteItem(item.ListType, item)
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SharedActionManager.AddItem(item.ListType, item)
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}
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}
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if len(changedLists) > 0 {
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for changedList := range changedLists {
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changedList.Sort()
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}
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}
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if fromRemote {
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var latestVersion = items[len(items)-1].Version
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if latestVersion > this.lastVersion {
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this.lastVersion = latestVersion
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}
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}
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}
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// 调试IP信息
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func (this *IPListManager) debugItem(item *pb.IPItem) {
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var ipRange = item.IpFrom
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if len(item.IpTo) > 0 {
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ipRange += " - " + item.IpTo
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}
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if item.IsDeleted {
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remotelogs.Debug("IP_ITEM_DEBUG", "delete '"+ipRange+"'")
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} else {
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remotelogs.Debug("IP_ITEM_DEBUG", "add '"+ipRange+"'")
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}
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}
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