mirror of
https://github.com/fatedier/frp.git
synced 2025-07-27 07:35:07 +00:00
support server plugin feature
This commit is contained in:
fatedier
111
models/plugin/client/http2https.go
Normal file
111
models/plugin/client/http2https.go
Normal file
@@ -0,0 +1,111 @@
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// Copyright 2019 fatedier, fatedier@gmail.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package plugin
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import (
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"crypto/tls"
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"fmt"
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"io"
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"net"
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"net/http"
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"net/http/httputil"
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"strings"
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frpNet "github.com/fatedier/frp/utils/net"
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)
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const PluginHTTP2HTTPS = "http2https"
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func init() {
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Register(PluginHTTP2HTTPS, NewHTTP2HTTPSPlugin)
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}
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type HTTP2HTTPSPlugin struct {
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hostHeaderRewrite string
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localAddr string
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headers map[string]string
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l *Listener
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s *http.Server
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}
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func NewHTTP2HTTPSPlugin(params map[string]string) (Plugin, error) {
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localAddr := params["plugin_local_addr"]
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hostHeaderRewrite := params["plugin_host_header_rewrite"]
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headers := make(map[string]string)
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for k, v := range params {
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if !strings.HasPrefix(k, "plugin_header_") {
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continue
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}
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if k = strings.TrimPrefix(k, "plugin_header_"); k != "" {
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headers[k] = v
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}
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}
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if localAddr == "" {
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return nil, fmt.Errorf("plugin_local_addr is required")
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}
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listener := NewProxyListener()
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p := &HTTPS2HTTPPlugin{
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localAddr: localAddr,
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hostHeaderRewrite: hostHeaderRewrite,
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headers: headers,
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l: listener,
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}
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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rp := &httputil.ReverseProxy{
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Director: func(req *http.Request) {
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req.URL.Scheme = "https"
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req.URL.Host = p.localAddr
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if p.hostHeaderRewrite != "" {
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req.Host = p.hostHeaderRewrite
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}
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for k, v := range p.headers {
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req.Header.Set(k, v)
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}
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},
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Transport: tr,
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}
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p.s = &http.Server{
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Handler: rp,
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}
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go p.s.Serve(listener)
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return p, nil
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}
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func (p *HTTP2HTTPSPlugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
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wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
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p.l.PutConn(wrapConn)
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}
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func (p *HTTP2HTTPSPlugin) Name() string {
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return PluginHTTP2HTTPS
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}
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func (p *HTTP2HTTPSPlugin) Close() error {
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if err := p.s.Close(); err != nil {
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return err
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}
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return nil
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}
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243
models/plugin/client/http_proxy.go
Normal file
243
models/plugin/client/http_proxy.go
Normal file
@@ -0,0 +1,243 @@
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// Copyright 2017 frp team
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package plugin
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import (
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"bufio"
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"encoding/base64"
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"io"
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"net"
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"net/http"
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"strings"
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frpNet "github.com/fatedier/frp/utils/net"
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frpIo "github.com/fatedier/golib/io"
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gnet "github.com/fatedier/golib/net"
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)
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const PluginHttpProxy = "http_proxy"
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func init() {
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Register(PluginHttpProxy, NewHttpProxyPlugin)
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}
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type HttpProxy struct {
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l *Listener
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s *http.Server
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AuthUser string
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AuthPasswd string
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}
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func NewHttpProxyPlugin(params map[string]string) (Plugin, error) {
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user := params["plugin_http_user"]
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passwd := params["plugin_http_passwd"]
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listener := NewProxyListener()
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hp := &HttpProxy{
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l: listener,
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AuthUser: user,
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AuthPasswd: passwd,
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}
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hp.s = &http.Server{
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Handler: hp,
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}
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go hp.s.Serve(listener)
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return hp, nil
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}
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func (hp *HttpProxy) Name() string {
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return PluginHttpProxy
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}
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func (hp *HttpProxy) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
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wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
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sc, rd := gnet.NewSharedConn(wrapConn)
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firstBytes := make([]byte, 7)
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_, err := rd.Read(firstBytes)
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if err != nil {
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wrapConn.Close()
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return
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}
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if strings.ToUpper(string(firstBytes)) == "CONNECT" {
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bufRd := bufio.NewReader(sc)
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request, err := http.ReadRequest(bufRd)
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if err != nil {
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wrapConn.Close()
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return
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}
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hp.handleConnectReq(request, frpIo.WrapReadWriteCloser(bufRd, wrapConn, wrapConn.Close))
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return
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}
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hp.l.PutConn(sc)
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return
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}
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func (hp *HttpProxy) Close() error {
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hp.s.Close()
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hp.l.Close()
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return nil
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}
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func (hp *HttpProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
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if ok := hp.Auth(req); !ok {
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rw.Header().Set("Proxy-Authenticate", "Basic")
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rw.WriteHeader(http.StatusProxyAuthRequired)
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return
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}
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if req.Method == http.MethodConnect {
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// deprecated
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// Connect request is handled in Handle function.
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hp.ConnectHandler(rw, req)
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} else {
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hp.HttpHandler(rw, req)
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}
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}
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func (hp *HttpProxy) HttpHandler(rw http.ResponseWriter, req *http.Request) {
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removeProxyHeaders(req)
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resp, err := http.DefaultTransport.RoundTrip(req)
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if err != nil {
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http.Error(rw, err.Error(), http.StatusInternalServerError)
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return
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}
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defer resp.Body.Close()
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copyHeaders(rw.Header(), resp.Header)
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rw.WriteHeader(resp.StatusCode)
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_, err = io.Copy(rw, resp.Body)
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if err != nil && err != io.EOF {
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return
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}
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}
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// deprecated
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// Hijack needs to SetReadDeadline on the Conn of the request, but if we use stream compression here,
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// we may always get i/o timeout error.
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func (hp *HttpProxy) ConnectHandler(rw http.ResponseWriter, req *http.Request) {
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hj, ok := rw.(http.Hijacker)
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if !ok {
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rw.WriteHeader(http.StatusInternalServerError)
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return
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}
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client, _, err := hj.Hijack()
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if err != nil {
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rw.WriteHeader(http.StatusInternalServerError)
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return
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}
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remote, err := net.Dial("tcp", req.URL.Host)
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if err != nil {
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http.Error(rw, "Failed", http.StatusBadRequest)
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client.Close()
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return
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}
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client.Write([]byte("HTTP/1.1 200 OK\r\n\r\n"))
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go frpIo.Join(remote, client)
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}
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func (hp *HttpProxy) Auth(req *http.Request) bool {
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if hp.AuthUser == "" && hp.AuthPasswd == "" {
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return true
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}
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s := strings.SplitN(req.Header.Get("Proxy-Authorization"), " ", 2)
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if len(s) != 2 {
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return false
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}
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b, err := base64.StdEncoding.DecodeString(s[1])
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if err != nil {
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return false
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}
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pair := strings.SplitN(string(b), ":", 2)
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if len(pair) != 2 {
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return false
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}
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if pair[0] != hp.AuthUser || pair[1] != hp.AuthPasswd {
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return false
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}
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return true
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}
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func (hp *HttpProxy) handleConnectReq(req *http.Request, rwc io.ReadWriteCloser) {
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defer rwc.Close()
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if ok := hp.Auth(req); !ok {
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res := getBadResponse()
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res.Write(rwc)
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return
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}
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remote, err := net.Dial("tcp", req.URL.Host)
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if err != nil {
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res := &http.Response{
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StatusCode: 400,
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Proto: "HTTP/1.1",
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ProtoMajor: 1,
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ProtoMinor: 1,
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}
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res.Write(rwc)
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return
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}
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rwc.Write([]byte("HTTP/1.1 200 OK\r\n\r\n"))
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frpIo.Join(remote, rwc)
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}
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func copyHeaders(dst, src http.Header) {
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for key, values := range src {
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for _, value := range values {
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dst.Add(key, value)
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}
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}
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}
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func removeProxyHeaders(req *http.Request) {
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req.RequestURI = ""
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req.Header.Del("Proxy-Connection")
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req.Header.Del("Connection")
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req.Header.Del("Proxy-Authenticate")
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req.Header.Del("Proxy-Authorization")
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req.Header.Del("TE")
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req.Header.Del("Trailers")
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req.Header.Del("Transfer-Encoding")
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req.Header.Del("Upgrade")
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}
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func getBadResponse() *http.Response {
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header := make(map[string][]string)
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header["Proxy-Authenticate"] = []string{"Basic"}
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res := &http.Response{
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Status: "407 Not authorized",
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StatusCode: 407,
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Proto: "HTTP/1.1",
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ProtoMajor: 1,
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ProtoMinor: 1,
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Header: header,
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}
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return res
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}
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133
models/plugin/client/https2http.go
Normal file
133
models/plugin/client/https2http.go
Normal file
@@ -0,0 +1,133 @@
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// Copyright 2019 fatedier, fatedier@gmail.com
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package plugin
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/http/httputil"
|
||||
"strings"
|
||||
|
||||
frpNet "github.com/fatedier/frp/utils/net"
|
||||
)
|
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const PluginHTTPS2HTTP = "https2http"
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|
||||
func init() {
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Register(PluginHTTPS2HTTP, NewHTTPS2HTTPPlugin)
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||||
}
|
||||
|
||||
type HTTPS2HTTPPlugin struct {
|
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crtPath string
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||||
keyPath string
|
||||
hostHeaderRewrite string
|
||||
localAddr string
|
||||
headers map[string]string
|
||||
|
||||
l *Listener
|
||||
s *http.Server
|
||||
}
|
||||
|
||||
func NewHTTPS2HTTPPlugin(params map[string]string) (Plugin, error) {
|
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crtPath := params["plugin_crt_path"]
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keyPath := params["plugin_key_path"]
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localAddr := params["plugin_local_addr"]
|
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hostHeaderRewrite := params["plugin_host_header_rewrite"]
|
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headers := make(map[string]string)
|
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for k, v := range params {
|
||||
if !strings.HasPrefix(k, "plugin_header_") {
|
||||
continue
|
||||
}
|
||||
if k = strings.TrimPrefix(k, "plugin_header_"); k != "" {
|
||||
headers[k] = v
|
||||
}
|
||||
}
|
||||
|
||||
if crtPath == "" {
|
||||
return nil, fmt.Errorf("plugin_crt_path is required")
|
||||
}
|
||||
if keyPath == "" {
|
||||
return nil, fmt.Errorf("plugin_key_path is required")
|
||||
}
|
||||
if localAddr == "" {
|
||||
return nil, fmt.Errorf("plugin_local_addr is required")
|
||||
}
|
||||
|
||||
listener := NewProxyListener()
|
||||
|
||||
p := &HTTPS2HTTPPlugin{
|
||||
crtPath: crtPath,
|
||||
keyPath: keyPath,
|
||||
localAddr: localAddr,
|
||||
hostHeaderRewrite: hostHeaderRewrite,
|
||||
headers: headers,
|
||||
l: listener,
|
||||
}
|
||||
|
||||
rp := &httputil.ReverseProxy{
|
||||
Director: func(req *http.Request) {
|
||||
req.URL.Scheme = "http"
|
||||
req.URL.Host = p.localAddr
|
||||
if p.hostHeaderRewrite != "" {
|
||||
req.Host = p.hostHeaderRewrite
|
||||
}
|
||||
for k, v := range p.headers {
|
||||
req.Header.Set(k, v)
|
||||
}
|
||||
},
|
||||
}
|
||||
|
||||
p.s = &http.Server{
|
||||
Handler: rp,
|
||||
}
|
||||
|
||||
tlsConfig, err := p.genTLSConfig()
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("gen TLS config error: %v", err)
|
||||
}
|
||||
ln := tls.NewListener(listener, tlsConfig)
|
||||
|
||||
go p.s.Serve(ln)
|
||||
return p, nil
|
||||
}
|
||||
|
||||
func (p *HTTPS2HTTPPlugin) genTLSConfig() (*tls.Config, error) {
|
||||
cert, err := tls.LoadX509KeyPair(p.crtPath, p.keyPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
config := &tls.Config{Certificates: []tls.Certificate{cert}}
|
||||
return config, nil
|
||||
}
|
||||
|
||||
func (p *HTTPS2HTTPPlugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
|
||||
wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
|
||||
p.l.PutConn(wrapConn)
|
||||
}
|
||||
|
||||
func (p *HTTPS2HTTPPlugin) Name() string {
|
||||
return PluginHTTPS2HTTP
|
||||
}
|
||||
|
||||
func (p *HTTPS2HTTPPlugin) Close() error {
|
||||
if err := p.s.Close(); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
92
models/plugin/client/plugin.go
Normal file
92
models/plugin/client/plugin.go
Normal file
@@ -0,0 +1,92 @@
|
||||
// Copyright 2017 fatedier, fatedier@gmail.com
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package plugin
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"sync"
|
||||
|
||||
"github.com/fatedier/golib/errors"
|
||||
)
|
||||
|
||||
// Creators is used for create plugins to handle connections.
|
||||
var creators = make(map[string]CreatorFn)
|
||||
|
||||
// params has prefix "plugin_"
|
||||
type CreatorFn func(params map[string]string) (Plugin, error)
|
||||
|
||||
func Register(name string, fn CreatorFn) {
|
||||
creators[name] = fn
|
||||
}
|
||||
|
||||
func Create(name string, params map[string]string) (p Plugin, err error) {
|
||||
if fn, ok := creators[name]; ok {
|
||||
p, err = fn(params)
|
||||
} else {
|
||||
err = fmt.Errorf("plugin [%s] is not registered", name)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
type Plugin interface {
|
||||
Name() string
|
||||
|
||||
// extraBufToLocal will send to local connection first, then join conn with local connection
|
||||
Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte)
|
||||
Close() error
|
||||
}
|
||||
|
||||
type Listener struct {
|
||||
conns chan net.Conn
|
||||
closed bool
|
||||
mu sync.Mutex
|
||||
}
|
||||
|
||||
func NewProxyListener() *Listener {
|
||||
return &Listener{
|
||||
conns: make(chan net.Conn, 64),
|
||||
}
|
||||
}
|
||||
|
||||
func (l *Listener) Accept() (net.Conn, error) {
|
||||
conn, ok := <-l.conns
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("listener closed")
|
||||
}
|
||||
return conn, nil
|
||||
}
|
||||
|
||||
func (l *Listener) PutConn(conn net.Conn) error {
|
||||
err := errors.PanicToError(func() {
|
||||
l.conns <- conn
|
||||
})
|
||||
return err
|
||||
}
|
||||
|
||||
func (l *Listener) Close() error {
|
||||
l.mu.Lock()
|
||||
defer l.mu.Unlock()
|
||||
if !l.closed {
|
||||
close(l.conns)
|
||||
l.closed = true
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (l *Listener) Addr() net.Addr {
|
||||
return (*net.TCPAddr)(nil)
|
||||
}
|
||||
69
models/plugin/client/socks5.go
Normal file
69
models/plugin/client/socks5.go
Normal file
@@ -0,0 +1,69 @@
|
||||
// Copyright 2017 fatedier, fatedier@gmail.com
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package plugin
|
||||
|
||||
import (
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"net"
|
||||
|
||||
frpNet "github.com/fatedier/frp/utils/net"
|
||||
|
||||
gosocks5 "github.com/armon/go-socks5"
|
||||
)
|
||||
|
||||
const PluginSocks5 = "socks5"
|
||||
|
||||
func init() {
|
||||
Register(PluginSocks5, NewSocks5Plugin)
|
||||
}
|
||||
|
||||
type Socks5Plugin struct {
|
||||
Server *gosocks5.Server
|
||||
|
||||
user string
|
||||
passwd string
|
||||
}
|
||||
|
||||
func NewSocks5Plugin(params map[string]string) (p Plugin, err error) {
|
||||
user := params["plugin_user"]
|
||||
passwd := params["plugin_passwd"]
|
||||
|
||||
cfg := &gosocks5.Config{
|
||||
Logger: log.New(ioutil.Discard, "", log.LstdFlags),
|
||||
}
|
||||
if user != "" || passwd != "" {
|
||||
cfg.Credentials = gosocks5.StaticCredentials(map[string]string{user: passwd})
|
||||
}
|
||||
sp := &Socks5Plugin{}
|
||||
sp.Server, err = gosocks5.New(cfg)
|
||||
p = sp
|
||||
return
|
||||
}
|
||||
|
||||
func (sp *Socks5Plugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
|
||||
defer conn.Close()
|
||||
wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
|
||||
sp.Server.ServeConn(wrapConn)
|
||||
}
|
||||
|
||||
func (sp *Socks5Plugin) Name() string {
|
||||
return PluginSocks5
|
||||
}
|
||||
|
||||
func (sp *Socks5Plugin) Close() error {
|
||||
return nil
|
||||
}
|
||||
89
models/plugin/client/static_file.go
Normal file
89
models/plugin/client/static_file.go
Normal file
@@ -0,0 +1,89 @@
|
||||
// Copyright 2018 fatedier, fatedier@gmail.com
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package plugin
|
||||
|
||||
import (
|
||||
"io"
|
||||
"net"
|
||||
"net/http"
|
||||
|
||||
frpNet "github.com/fatedier/frp/utils/net"
|
||||
|
||||
"github.com/gorilla/mux"
|
||||
)
|
||||
|
||||
const PluginStaticFile = "static_file"
|
||||
|
||||
func init() {
|
||||
Register(PluginStaticFile, NewStaticFilePlugin)
|
||||
}
|
||||
|
||||
type StaticFilePlugin struct {
|
||||
localPath string
|
||||
stripPrefix string
|
||||
httpUser string
|
||||
httpPasswd string
|
||||
|
||||
l *Listener
|
||||
s *http.Server
|
||||
}
|
||||
|
||||
func NewStaticFilePlugin(params map[string]string) (Plugin, error) {
|
||||
localPath := params["plugin_local_path"]
|
||||
stripPrefix := params["plugin_strip_prefix"]
|
||||
httpUser := params["plugin_http_user"]
|
||||
httpPasswd := params["plugin_http_passwd"]
|
||||
|
||||
listener := NewProxyListener()
|
||||
|
||||
sp := &StaticFilePlugin{
|
||||
localPath: localPath,
|
||||
stripPrefix: stripPrefix,
|
||||
httpUser: httpUser,
|
||||
httpPasswd: httpPasswd,
|
||||
|
||||
l: listener,
|
||||
}
|
||||
var prefix string
|
||||
if stripPrefix != "" {
|
||||
prefix = "/" + stripPrefix + "/"
|
||||
} else {
|
||||
prefix = "/"
|
||||
}
|
||||
|
||||
router := mux.NewRouter()
|
||||
router.Use(frpNet.NewHttpAuthMiddleware(httpUser, httpPasswd).Middleware)
|
||||
router.PathPrefix(prefix).Handler(frpNet.MakeHttpGzipHandler(http.StripPrefix(prefix, http.FileServer(http.Dir(localPath))))).Methods("GET")
|
||||
sp.s = &http.Server{
|
||||
Handler: router,
|
||||
}
|
||||
go sp.s.Serve(listener)
|
||||
return sp, nil
|
||||
}
|
||||
|
||||
func (sp *StaticFilePlugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
|
||||
wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
|
||||
sp.l.PutConn(wrapConn)
|
||||
}
|
||||
|
||||
func (sp *StaticFilePlugin) Name() string {
|
||||
return PluginStaticFile
|
||||
}
|
||||
|
||||
func (sp *StaticFilePlugin) Close() error {
|
||||
sp.s.Close()
|
||||
sp.l.Close()
|
||||
return nil
|
||||
}
|
||||
72
models/plugin/client/unix_domain_socket.go
Normal file
72
models/plugin/client/unix_domain_socket.go
Normal file
@@ -0,0 +1,72 @@
|
||||
// Copyright 2017 fatedier, fatedier@gmail.com
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package plugin
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
|
||||
frpIo "github.com/fatedier/golib/io"
|
||||
)
|
||||
|
||||
const PluginUnixDomainSocket = "unix_domain_socket"
|
||||
|
||||
func init() {
|
||||
Register(PluginUnixDomainSocket, NewUnixDomainSocketPlugin)
|
||||
}
|
||||
|
||||
type UnixDomainSocketPlugin struct {
|
||||
UnixAddr *net.UnixAddr
|
||||
}
|
||||
|
||||
func NewUnixDomainSocketPlugin(params map[string]string) (p Plugin, err error) {
|
||||
unixPath, ok := params["plugin_unix_path"]
|
||||
if !ok {
|
||||
err = fmt.Errorf("plugin_unix_path not found")
|
||||
return
|
||||
}
|
||||
|
||||
unixAddr, errRet := net.ResolveUnixAddr("unix", unixPath)
|
||||
if errRet != nil {
|
||||
err = errRet
|
||||
return
|
||||
}
|
||||
|
||||
p = &UnixDomainSocketPlugin{
|
||||
UnixAddr: unixAddr,
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func (uds *UnixDomainSocketPlugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
|
||||
localConn, err := net.DialUnix("unix", nil, uds.UnixAddr)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
if len(extraBufToLocal) > 0 {
|
||||
localConn.Write(extraBufToLocal)
|
||||
}
|
||||
|
||||
frpIo.Join(localConn, conn)
|
||||
}
|
||||
|
||||
func (uds *UnixDomainSocketPlugin) Name() string {
|
||||
return PluginUnixDomainSocket
|
||||
}
|
||||
|
||||
func (uds *UnixDomainSocketPlugin) Close() error {
|
||||
return nil
|
||||
}
|
||||
Reference in New Issue
Block a user