mirror of
https://github.com/TeaOSLab/EdgeAPI.git
synced 2025-11-06 18:10:25 +08:00
453 lines
11 KiB
Go
453 lines
11 KiB
Go
package models
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import (
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"encoding/json"
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"errors"
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"github.com/TeaOSLab/EdgeAPI/internal/utils"
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
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_ "github.com/go-sql-driver/mysql"
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"github.com/iwind/TeaGo/Tea"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/maps"
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"github.com/iwind/TeaGo/types"
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)
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const (
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ReverseProxyStateEnabled = 1 // 已启用
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ReverseProxyStateDisabled = 0 // 已禁用
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)
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type ReverseProxyDAO dbs.DAO
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func NewReverseProxyDAO() *ReverseProxyDAO {
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return dbs.NewDAO(&ReverseProxyDAO{
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DAOObject: dbs.DAOObject{
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DB: Tea.Env,
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Table: "edgeReverseProxies",
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Model: new(ReverseProxy),
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PkName: "id",
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},
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}).(*ReverseProxyDAO)
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}
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var SharedReverseProxyDAO *ReverseProxyDAO
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func init() {
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dbs.OnReady(func() {
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SharedReverseProxyDAO = NewReverseProxyDAO()
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})
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}
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// Init 初始化
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func (this *ReverseProxyDAO) Init() {
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_ = this.DAOObject.Init()
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}
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// EnableReverseProxy 启用条目
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func (this *ReverseProxyDAO) EnableReverseProxy(tx *dbs.Tx, id int64) error {
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_, err := this.Query(tx).
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Pk(id).
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Set("state", ReverseProxyStateEnabled).
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Update()
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if err != nil {
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return err
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}
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return this.NotifyUpdate(tx, id)
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}
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// DisableReverseProxy 禁用条目
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func (this *ReverseProxyDAO) DisableReverseProxy(tx *dbs.Tx, id int64) error {
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_, err := this.Query(tx).
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Pk(id).
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Set("state", ReverseProxyStateDisabled).
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Update()
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if err != nil {
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return err
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}
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return this.NotifyUpdate(tx, id)
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}
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// FindEnabledReverseProxy 查找启用中的条目
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func (this *ReverseProxyDAO) FindEnabledReverseProxy(tx *dbs.Tx, id int64) (*ReverseProxy, error) {
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result, err := this.Query(tx).
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Pk(id).
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Attr("state", ReverseProxyStateEnabled).
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Find()
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if result == nil {
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return nil, err
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}
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return result.(*ReverseProxy), err
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}
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// ComposeReverseProxyConfig 根据ID组合配置
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func (this *ReverseProxyDAO) ComposeReverseProxyConfig(tx *dbs.Tx, reverseProxyId int64, cacheMap *utils.CacheMap) (*serverconfigs.ReverseProxyConfig, error) {
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if cacheMap == nil {
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cacheMap = utils.NewCacheMap()
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}
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var cacheKey = this.Table + ":config:" + types.String(reverseProxyId)
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var cache, _ = cacheMap.Get(cacheKey)
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if cache != nil {
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return cache.(*serverconfigs.ReverseProxyConfig), nil
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}
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reverseProxy, err := this.FindEnabledReverseProxy(tx, reverseProxyId)
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if err != nil {
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return nil, err
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}
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if reverseProxy == nil {
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return nil, nil
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}
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config := &serverconfigs.ReverseProxyConfig{}
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config.Id = int64(reverseProxy.Id)
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config.IsOn = reverseProxy.IsOn
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config.RequestHostType = types.Int8(reverseProxy.RequestHostType)
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config.RequestHost = reverseProxy.RequestHost
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config.RequestURI = reverseProxy.RequestURI
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config.StripPrefix = reverseProxy.StripPrefix
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config.AutoFlush = reverseProxy.AutoFlush == 1
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config.FollowRedirects = reverseProxy.FollowRedirects == 1
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schedulingConfig := &serverconfigs.SchedulingConfig{}
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if IsNotNull(reverseProxy.Scheduling) {
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err = json.Unmarshal(reverseProxy.Scheduling, schedulingConfig)
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if err != nil {
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return nil, err
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}
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config.Scheduling = schedulingConfig
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}
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if IsNotNull(reverseProxy.PrimaryOrigins) {
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originRefs := []*serverconfigs.OriginRef{}
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err = json.Unmarshal(reverseProxy.PrimaryOrigins, &originRefs)
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if err != nil {
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return nil, err
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}
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for _, ref := range originRefs {
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originConfig, err := SharedOriginDAO.ComposeOriginConfig(tx, ref.OriginId, cacheMap)
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if err != nil {
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return nil, err
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}
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if originConfig != nil {
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config.AddPrimaryOrigin(originConfig)
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}
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}
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}
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if IsNotNull(reverseProxy.BackupOrigins) {
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originRefs := []*serverconfigs.OriginRef{}
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err = json.Unmarshal(reverseProxy.BackupOrigins, &originRefs)
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if err != nil {
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return nil, err
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}
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for _, originConfig := range originRefs {
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originConfig, err := SharedOriginDAO.ComposeOriginConfig(tx, originConfig.OriginId, cacheMap)
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if err != nil {
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return nil, err
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}
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if originConfig != nil {
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config.AddBackupOrigin(originConfig)
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}
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}
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}
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// add headers
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if IsNotNull(reverseProxy.AddHeaders) {
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addHeaders := []string{}
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err = json.Unmarshal(reverseProxy.AddHeaders, &addHeaders)
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if err != nil {
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return nil, err
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}
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config.AddHeaders = addHeaders
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}
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// 源站相关默认设置
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config.MaxConns = int(reverseProxy.MaxConns)
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config.MaxIdleConns = int(reverseProxy.MaxIdleConns)
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if IsNotNull(reverseProxy.ConnTimeout) {
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connTimeout := &shared.TimeDuration{}
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err = json.Unmarshal(reverseProxy.ConnTimeout, &connTimeout)
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if err != nil {
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return nil, err
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}
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config.ConnTimeout = connTimeout
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}
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if IsNotNull(reverseProxy.ReadTimeout) {
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readTimeout := &shared.TimeDuration{}
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err = json.Unmarshal(reverseProxy.ReadTimeout, &readTimeout)
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if err != nil {
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return nil, err
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}
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config.ReadTimeout = readTimeout
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}
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if IsNotNull(reverseProxy.IdleTimeout) {
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idleTimeout := &shared.TimeDuration{}
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err = json.Unmarshal(reverseProxy.IdleTimeout, &idleTimeout)
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if err != nil {
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return nil, err
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}
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config.IdleTimeout = idleTimeout
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}
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// PROXY Protocol
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if IsNotNull(reverseProxy.ProxyProtocol) {
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var proxyProtocolConfig = &serverconfigs.ProxyProtocolConfig{}
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err = json.Unmarshal(reverseProxy.ProxyProtocol, proxyProtocolConfig)
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if err != nil {
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return nil, err
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}
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config.ProxyProtocol = proxyProtocolConfig
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}
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if cacheMap != nil {
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cacheMap.Put(cacheKey, config)
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}
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return config, nil
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}
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// CreateReverseProxy 创建反向代理
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func (this *ReverseProxyDAO) CreateReverseProxy(tx *dbs.Tx, adminId int64, userId int64, schedulingJSON []byte, primaryOriginsJSON []byte, backupOriginsJSON []byte) (int64, error) {
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op := NewReverseProxyOperator()
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op.IsOn = true
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op.State = ReverseProxyStateEnabled
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op.AdminId = adminId
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op.UserId = userId
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op.RequestHostType = serverconfigs.RequestHostTypeProxyServer
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defaultHeaders := []string{"X-Real-IP", "X-Forwarded-For", "X-Forwarded-By", "X-Forwarded-Host", "X-Forwarded-Proto"}
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defaultHeadersJSON, err := json.Marshal(defaultHeaders)
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if err != nil {
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return 0, err
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}
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op.AddHeaders = defaultHeadersJSON
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if IsNotNull(schedulingJSON) {
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op.Scheduling = string(schedulingJSON)
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}
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if IsNotNull(primaryOriginsJSON) {
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op.PrimaryOrigins = string(primaryOriginsJSON)
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}
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if IsNotNull(backupOriginsJSON) {
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op.BackupOrigins = string(backupOriginsJSON)
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}
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err = this.Save(tx, op)
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if err != nil {
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return 0, err
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}
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return types.Int64(op.Id), nil
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}
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// UpdateReverseProxyScheduling 修改反向代理调度算法
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func (this *ReverseProxyDAO) UpdateReverseProxyScheduling(tx *dbs.Tx, reverseProxyId int64, schedulingJSON []byte) error {
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if reverseProxyId <= 0 {
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return errors.New("invalid reverseProxyId")
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}
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op := NewReverseProxyOperator()
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op.Id = reverseProxyId
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if len(schedulingJSON) > 0 {
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op.Scheduling = string(schedulingJSON)
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} else {
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op.Scheduling = "null"
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}
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err := this.Save(tx, op)
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if err != nil {
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return err
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}
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return this.NotifyUpdate(tx, reverseProxyId)
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}
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// UpdateReverseProxyPrimaryOrigins 修改主要源站
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func (this *ReverseProxyDAO) UpdateReverseProxyPrimaryOrigins(tx *dbs.Tx, reverseProxyId int64, origins []byte) error {
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if reverseProxyId <= 0 {
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return errors.New("invalid reverseProxyId")
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}
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op := NewReverseProxyOperator()
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op.Id = reverseProxyId
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if len(origins) > 0 {
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op.PrimaryOrigins = origins
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} else {
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op.PrimaryOrigins = "[]"
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}
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err := this.Save(tx, op)
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if err != nil {
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return err
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}
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return this.NotifyUpdate(tx, reverseProxyId)
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}
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// UpdateReverseProxyBackupOrigins 修改备用源站
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func (this *ReverseProxyDAO) UpdateReverseProxyBackupOrigins(tx *dbs.Tx, reverseProxyId int64, origins []byte) error {
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if reverseProxyId <= 0 {
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return errors.New("invalid reverseProxyId")
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}
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op := NewReverseProxyOperator()
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op.Id = reverseProxyId
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if len(origins) > 0 {
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op.BackupOrigins = origins
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} else {
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op.BackupOrigins = "[]"
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}
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err := this.Save(tx, op)
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if err != nil {
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return err
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}
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return this.NotifyUpdate(tx, reverseProxyId)
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}
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// UpdateReverseProxy 修改是否启用
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func (this *ReverseProxyDAO) UpdateReverseProxy(tx *dbs.Tx,
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reverseProxyId int64,
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requestHostType int8,
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requestHost string,
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requestURI string,
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stripPrefix string,
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autoFlush bool,
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addHeaders []string,
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connTimeout *shared.TimeDuration,
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readTimeout *shared.TimeDuration,
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idleTimeout *shared.TimeDuration,
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maxConns int32,
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maxIdleConns int32,
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proxyProtocolJSON []byte,
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followRedirects bool) error {
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if reverseProxyId <= 0 {
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return errors.New("invalid reverseProxyId")
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}
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var op = NewReverseProxyOperator()
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op.Id = reverseProxyId
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if requestHostType < 0 {
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requestHostType = 0
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}
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op.RequestHostType = requestHostType
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op.RequestHost = requestHost
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op.RequestURI = requestURI
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op.StripPrefix = stripPrefix
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op.AutoFlush = autoFlush
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op.FollowRedirects = followRedirects
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if len(addHeaders) == 0 {
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addHeaders = []string{}
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}
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addHeadersJSON, err := json.Marshal(addHeaders)
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if err != nil {
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return err
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}
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op.AddHeaders = addHeadersJSON
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if connTimeout != nil {
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connTimeoutJSON, err := connTimeout.AsJSON()
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if err != nil {
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return err
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}
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op.ConnTimeout = connTimeoutJSON
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}
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if readTimeout != nil {
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readTimeoutJSON, err := readTimeout.AsJSON()
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if err != nil {
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return err
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}
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op.ReadTimeout = readTimeoutJSON
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}
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if idleTimeout != nil {
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idleTimeoutJSON, err := idleTimeout.AsJSON()
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if err != nil {
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return err
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}
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op.IdleTimeout = idleTimeoutJSON
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}
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if maxConns >= 0 {
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op.MaxConns = maxConns
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} else {
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op.MaxConns = 0
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}
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if maxIdleConns >= 0 {
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op.MaxIdleConns = maxIdleConns
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} else {
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op.MaxIdleConns = 0
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}
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if len(proxyProtocolJSON) > 0 {
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op.ProxyProtocol = proxyProtocolJSON
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}
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err = this.Save(tx, op)
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if err != nil {
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return err
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}
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return this.NotifyUpdate(tx, reverseProxyId)
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}
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// FindReverseProxyContainsOriginId 查找包含某个源站的反向代理ID
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func (this *ReverseProxyDAO) FindReverseProxyContainsOriginId(tx *dbs.Tx, originId int64) (int64, error) {
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return this.Query(tx).
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ResultPk().
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Where("(JSON_CONTAINS(primaryOrigins, :jsonQuery) OR JSON_CONTAINS(backupOrigins, :jsonQuery))").
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Param("jsonQuery", maps.Map{
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"originId": originId,
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}.AsJSON()).
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FindInt64Col(0)
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}
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// CheckUserReverseProxy 检查用户权限
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func (this *ReverseProxyDAO) CheckUserReverseProxy(tx *dbs.Tx, userId int64, reverseProxyId int64) error {
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exists, err := this.Query(tx).
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Pk(reverseProxyId).
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Attr("userId", userId).
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Exist()
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if err != nil {
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return err
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}
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if exists {
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return nil
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}
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// 检查server是否为用户的
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serverId, err := SharedServerDAO.FindEnabledServerIdWithReverseProxyId(tx, reverseProxyId)
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if err != nil {
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return err
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}
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if serverId == 0 {
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return ErrNotFound
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}
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return SharedServerDAO.CheckUserServer(tx, userId, serverId)
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}
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// NotifyUpdate 通知更新
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func (this *ReverseProxyDAO) NotifyUpdate(tx *dbs.Tx, reverseProxyId int64) error {
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serverId, err := SharedServerDAO.FindEnabledServerIdWithReverseProxyId(tx, reverseProxyId)
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if err != nil {
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return err
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}
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if serverId > 0 {
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return SharedServerDAO.NotifyUpdate(tx, serverId)
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}
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// locations
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locationId, err := SharedHTTPLocationDAO.FindEnabledLocationIdWithReverseProxyId(tx, reverseProxyId)
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if err != nil {
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return err
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}
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if locationId > 0 {
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return SharedHTTPLocationDAO.NotifyUpdate(tx, locationId)
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}
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// group
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groupId, err := SharedServerGroupDAO.FindEnabledGroupIdWithReverseProxyId(tx, reverseProxyId)
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if err != nil {
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return err
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}
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if groupId > 0 {
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return SharedServerGroupDAO.NotifyUpdate(tx, groupId)
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}
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return nil
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}
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