cache

conf/clients.json

@@ -1,4 +0,0 @@
-{"Cnf":{"U":"","P":"","Compress":false,"Crypt":false},"Id":4,"VerifyKey":"6h7x7tjvkocgltep","Addr":"","Remark":"","Status":true,"IsConnect":false,"RateLimit":0,"Flow":{"ExportFlow":0,"InletFlow":0,"FlowLimit":0},"Rate":{"NowRate":0},"NoStore":false,"NoDisplay":false,"MaxConn":0,"NowConn":0,"WebUserName":"admin22","WebPassword":"123","ConfigConnAllow":false,"MaxTunnelNum":0}
-*#*{"Cnf":{"U":"","P":"","Compress":false,"Crypt":false},"Id":6,"VerifyKey":"xf3nwghskyw4e7g4","Addr":"","Remark":"","Status":true,"IsConnect":false,"RateLimit":0,"Flow":{"ExportFlow":0,"InletFlow":0,"FlowLimit":0},"Rate":{"NowRate":0},"NoStore":false,"NoDisplay":false,"MaxConn":0,"NowConn":0,"WebUserName":"admin3","WebPassword":"123","ConfigConnAllow":false,"MaxTunnelNum":0}
-*#*{"Cnf":{"U":"","P":"","Compress":false,"Crypt":false},"Id":2,"VerifyKey":"06j3twjj9vjy2kdg","Addr":"","Remark":"","Status":true,"IsConnect":false,"RateLimit":0,"Flow":{"ExportFlow":2298489,"InletFlow":92324,"FlowLimit":0},"Rate":{"NowRate":0},"NoStore":false,"NoDisplay":false,"MaxConn":0,"NowConn":0,"WebUserName":"admin55","WebPassword":"123","ConfigConnAllow":false,"MaxTunnelNum":0}
-*#*

conf/hosts.json

@@ -1,2 +0,0 @@
-{"Id":1,"Host":"a.o.com","HeaderChange":"","HostChange":"","Location":"/","Remark":"","Scheme":"all","CertFilePath":"","KeyFilePath":"","NoStore":false,"IsClose":false,"Flow":{"ExportFlow":2298489,"InletFlow":92303,"FlowLimit":0},"Client":{"Cnf":{"U":"","P":"","Compress":false,"Crypt":false},"Id":2,"VerifyKey":"06j3twjj9vjy2kdg","Addr":"127.0.0.1","Remark":"","Status":true,"IsConnect":true,"RateLimit":0,"Flow":{"ExportFlow":2298489,"InletFlow":92324,"FlowLimit":0},"Rate":{"NowRate":0},"NoStore":false,"NoDisplay":false,"MaxConn":0,"NowConn":4,"WebUserName":"admin2","WebPassword":"123","ConfigConnAllow":false,"MaxTunnelNum":0},"Target":{"TargetStr":"127.0.0.1:8082","TargetArr":null,"LocalProxy":false}}
-*#*

conf/npc.conf

@@ -1,5 +1,5 @@
 [common]
-server_addr=123.206.77.88:8024
+server_addr=127.0.0.1:8024
 conn_type=tcp
 vkey=123
 auto_reconnection=true

conf/nps.conf

@@ -64,7 +64,7 @@ allow_multi_ip=false
 system_info_display=false
 
 #cache
-http_cache=true
+http_cache=false
 http_cache_length=100
 
 

conf/tasks.json

@@ -1,3 +0,0 @@
-{"Id":1,"Port":0,"ServerIp":"","Mode":"p2p","Status":true,"RunStatus":true,"Client":{"Cnf":{"U":"","P":"","Compress":false,"Crypt":false},"Id":2,"VerifyKey":"06j3twjj9vjy2kdg","Addr":"127.0.0.1","Remark":"","Status":true,"IsConnect":true,"RateLimit":0,"Flow":{"ExportFlow":0,"InletFlow":0,"FlowLimit":0},"Rate":{"NowRate":0},"NoStore":false,"NoDisplay":false,"MaxConn":0,"NowConn":1,"WebUserName":"admin2","WebPassword":"123","ConfigConnAllow":false,"MaxTunnelNum":0},"Ports":"","Flow":{"ExportFlow":0,"InletFlow":0,"FlowLimit":0},"Password":"p2ptest","Remark":"","TargetAddr":"","NoStore":false,"LocalPath":"","StripPre":"","Target":{"TargetStr":"","TargetArr":null,"LocalProxy":false},"HealthCheckTimeout":0,"HealthMaxFail":0,"HealthCheckInterval":0,"HealthNextTime":"0001-01-01T00:00:00Z","HealthMap":null,"HttpHealthUrl":"","HealthRemoveArr":null,"HealthCheckType":"","HealthCheckTarget":""}
-*#*{"Id":2,"Port":0,"ServerIp":"","Mode":"secret","Status":true,"RunStatus":true,"Client":{"Cnf":{"U":"","P":"","Compress":false,"Crypt":false},"Id":2,"VerifyKey":"06j3twjj9vjy2kdg","Addr":"127.0.0.1","Remark":"","Status":true,"IsConnect":true,"RateLimit":0,"Flow":{"ExportFlow":0,"InletFlow":0,"FlowLimit":0},"Rate":{"NowRate":0},"NoStore":false,"NoDisplay":false,"MaxConn":0,"NowConn":1,"WebUserName":"admin2","WebPassword":"123","ConfigConnAllow":false,"MaxTunnelNum":0},"Ports":"","Flow":{"ExportFlow":0,"InletFlow":21,"FlowLimit":0},"Password":"secrettest","Remark":"","TargetAddr":"","NoStore":false,"LocalPath":"","StripPre":"","Target":{"TargetStr":"118.89.159.126:22","TargetArr":null,"LocalProxy":false},"HealthCheckTimeout":0,"HealthMaxFail":0,"HealthCheckInterval":0,"HealthNextTime":"0001-01-01T00:00:00Z","HealthMap":null,"HttpHealthUrl":"","HealthRemoveArr":null,"HealthCheckType":"","HealthCheckTarget":""}
-*#*

lib/version/version.go

@@ -1,6 +1,6 @@
 package version
 
-const VERSION = "0.21.2"
+const VERSION = "0.22.0"
 
 // Compulsory minimum version, Minimum downward compatibility to this version
 func GetVersion() string {

server/proxy/base.go

@@ -17,7 +17,7 @@ type Service interface {
 	Close() error
 }
 
-//Server BaseServer struct
+//BaseServer struct
 type BaseServer struct {
 	id           int
 	bridge       *bridge.Bridge
@@ -35,6 +35,7 @@ func NewBaseServer(bridge *bridge.Bridge, task *file.Tunnel) *BaseServer {
 	}
 }
 
+//add the flow
 func (s *BaseServer) FlowAdd(in, out int64) {
 	s.Lock()
 	defer s.Unlock()
@@ -42,6 +43,7 @@ func (s *BaseServer) FlowAdd(in, out int64) {
 	s.task.Flow.InletFlow += in
 }
 
+//change the flow
 func (s *BaseServer) FlowAddHost(host *file.Host, in, out int64) {
 	s.Lock()
 	defer s.Unlock()
@@ -49,12 +51,13 @@ func (s *BaseServer) FlowAddHost(host *file.Host, in, out int64) {
 	host.Flow.InletFlow += in
 }
 
+//write fail bytes to the connection
 func (s *BaseServer) writeConnFail(c net.Conn) {
 	c.Write([]byte(common.ConnectionFailBytes))
 	c.Write(s.errorContent)
 }
 
-//权限认证
+//auth check
 func (s *BaseServer) auth(r *http.Request, c *conn.Conn, u, p string) error {
 	if u != "" && p != "" && !common.CheckAuth(r, u, p) {
 		c.Write([]byte(common.UnauthorizedBytes))
@@ -64,6 +67,7 @@ func (s *BaseServer) auth(r *http.Request, c *conn.Conn, u, p string) error {
 	return nil
 }
 
+//check flow limit of the client ,and decrease the allow num of client
 func (s *BaseServer) CheckFlowAndConnNum(client *file.Client) error {
 	if client.Flow.FlowLimit > 0 && (client.Flow.FlowLimit<<20) < (client.Flow.ExportFlow+client.Flow.InletFlow) {
 		return errors.New("Traffic exceeded")
@@ -74,7 +78,7 @@ func (s *BaseServer) CheckFlowAndConnNum(client *file.Client) error {
 	return nil
 }
 
-//与客户端建立通道
+//create a new connection and start bytes copying
 func (s *BaseServer) DealClient(c *conn.Conn, client *file.Client, addr string, rb []byte, tp string, f func(), flow *file.Flow, localProxy bool) error {
 	link := conn.NewLink(tp, addr, client.Cnf.Crypt, client.Cnf.Compress, c.Conn.RemoteAddr().String(), localProxy)
 	if target, err := s.bridge.SendLinkInfo(client.Id, link, s.task); err != nil {

server/proxy/http.go

@@ -123,6 +123,7 @@ func (s *httpServer) httpHandle(c *conn.Conn, r *http.Request) {
 		lk         *conn.Link
 		targetAddr string
 		readReq    bool
+		reqCh      = make(chan *http.Request)
 	)
 	if host, err = file.GetDb().GetInfoByHost(r.Host, r); err != nil {
 		logs.Notice("the url %s %s %s can't be parsed!", r.URL.Scheme, r.Host, r.RequestURI)
@@ -156,28 +157,31 @@ func (s *httpServer) httpHandle(c *conn.Conn, r *http.Request) {
 			go func() {
 				defer connClient.Close()
 				defer c.Close()
-				if resp, err := http.ReadResponse(bufio.NewReader(connClient), r); err != nil {
+				for {
-					return
+					r := <-reqCh
-				} else {
+					if resp, err := http.ReadResponse(bufio.NewReader(connClient), r); err != nil {
-					//if the cache is start and the response is in the extension,store the response to the cache list
+						return
-					if s.useCache && strings.Contains(r.URL.Path, ".") {
-						b, err := httputil.DumpResponse(resp, true)
-						if err != nil {
-							return
-						}
-						c.Write(b)
-						host.Flow.Add(0, int64(len(b)))
-						s.cache.Add(filepath.Join(host.Host, r.URL.Path), b)
 					} else {
-						b, err := httputil.DumpResponse(resp, false)
+						//if the cache is start and the response is in the extension,store the response to the cache list
-						if err != nil {
+						if s.useCache && strings.Contains(r.URL.Path, ".") {
-							return
+							b, err := httputil.DumpResponse(resp, true)
-						}
+							if err != nil {
-						c.Write(b)
+								return
-						if bodyLen, err := common.CopyBuffer(c, resp.Body); err != nil {
+							}
-							return
+							c.Write(b)
+							host.Flow.Add(0, int64(len(b)))
+							s.cache.Add(filepath.Join(host.Host, r.URL.Path), b)
 						} else {
-							host.Flow.Add(0, int64(len(b))+bodyLen)
+							b, err := httputil.DumpResponse(resp, false)
+							if err != nil {
+								return
+							}
+							c.Write(b)
+							if bodyLen, err := common.CopyBuffer(c, resp.Body); err != nil {
+								return
+							} else {
+								host.Flow.Add(0, int64(len(b))+bodyLen)
+							}
 						}
 					}
 				}
@@ -242,6 +246,7 @@ func (s *httpServer) httpHandle(c *conn.Conn, r *http.Request) {
 		} else {
 			host.Flow.Add(int64(len(b))+bodyLen, 0)
 		}
+		reqCh <- r
 	}
 end:
 	if isConn {

server/proxy/https.go

@@ -32,6 +32,7 @@ func NewHttpsServer(l net.Listener, bridge *bridge.Bridge, useCache bool, cacheL
 	return https
 }
 
+//start https server
 func (https *HttpsServer) Start() error {
 	if b, err := beego.AppConfig.Bool("https_just_proxy"); err == nil && b {
 		conn.Accept(https.listener, func(c net.Conn) {
@@ -86,16 +87,19 @@ func (https *HttpsServer) Start() error {
 	return nil
 }
 
+// close
 func (https *HttpsServer) Close() error {
 	return https.listener.Close()
 }
 
+// new https server by cert and key file
 func (https *HttpsServer) NewHttps(l net.Listener, certFile string, keyFile string) {
 	go func() {
 		logs.Error(https.NewServer(0, "https").ServeTLS(l, certFile, keyFile))
 	}()
 }
 
+//handle the https which is just proxy to other client
 func (https *HttpsServer) handleHttps(c net.Conn) {
 	hostName, rb := GetServerNameFromClientHello(c)
 	var targetAddr string
@@ -129,10 +133,12 @@ type HttpsListener struct {
 	parentListener net.Listener
 }
 
+// https listener
 func NewHttpsListener(l net.Listener) *HttpsListener {
 	return &HttpsListener{parentListener: l, acceptConn: make(chan *conn.Conn)}
 }
 
+// accept
 func (httpsListener *HttpsListener) Accept() (net.Conn, error) {
 	httpsConn := <-httpsListener.acceptConn
 	if httpsConn == nil {
@@ -141,14 +147,17 @@ func (httpsListener *HttpsListener) Accept() (net.Conn, error) {
 	return httpsConn, nil
 }
 
+// close
 func (httpsListener *HttpsListener) Close() error {
 	return nil
 }
 
+// addr
 func (httpsListener *HttpsListener) Addr() net.Addr {
 	return httpsListener.parentListener.Addr()
 }
 
+// get server name from connection by read client hello bytes
 func GetServerNameFromClientHello(c net.Conn) (string, []byte) {
 	buf := make([]byte, 4096)
 	data := make([]byte, 4096)
@@ -162,6 +171,7 @@ func GetServerNameFromClientHello(c net.Conn) (string, []byte) {
 	return clientHello.GetServerName(), buf[:n]
 }
 
+// build https request
 func buildHttpsRequest(hostName string) *http.Request {
 	r := new(http.Request)
 	r.RequestURI = "/"