|
@@ -0,0 +1,112 @@
|
|
|
+// 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"
|
|
|
+)
|
|
|
+
|
|
|
+const PluginHTTP2HTTPS = "http2https"
|
|
|
+
|
|
|
+func init() {
|
|
|
+ Register(PluginHTTP2HTTPS, NewHTTP2HTTPSPlugin)
|
|
|
+}
|
|
|
+
|
|
|
+type HTTP2HTTPSPlugin struct {
|
|
|
+ hostHeaderRewrite string
|
|
|
+ localAddr string
|
|
|
+ headers map[string]string
|
|
|
+
|
|
|
+ l *Listener
|
|
|
+ s *http.Server
|
|
|
+}
|
|
|
+
|
|
|
+func NewHTTP2HTTPSPlugin(params map[string]string) (Plugin, error) {
|
|
|
+ localAddr := params["plugin_local_addr"]
|
|
|
+ hostHeaderRewrite := params["plugin_host_header_rewrite"]
|
|
|
+ headers := make(map[string]string)
|
|
|
+ for k, v := range params {
|
|
|
+ if !strings.HasPrefix(k, "plugin_header_") {
|
|
|
+ continue
|
|
|
+ }
|
|
|
+ if k = strings.TrimPrefix(k, "plugin_header_"); k != "" {
|
|
|
+ headers[k] = v
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if localAddr == "" {
|
|
|
+ return nil, fmt.Errorf("plugin_local_addr is required")
|
|
|
+ }
|
|
|
+
|
|
|
+ listener := NewProxyListener()
|
|
|
+
|
|
|
+ p := &HTTPS2HTTPPlugin{
|
|
|
+ localAddr: localAddr,
|
|
|
+ hostHeaderRewrite: hostHeaderRewrite,
|
|
|
+ headers: headers,
|
|
|
+ l: listener,
|
|
|
+ }
|
|
|
+
|
|
|
+ tr := &http.Transport{
|
|
|
+ TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
|
|
|
+ }
|
|
|
+
|
|
|
+ rp := &httputil.ReverseProxy{
|
|
|
+ Director: func(req *http.Request) {
|
|
|
+ req.URL.Scheme = "https"
|
|
|
+ req.URL.Host = p.localAddr
|
|
|
+ if p.hostHeaderRewrite != "" {
|
|
|
+ req.Host = p.hostHeaderRewrite
|
|
|
+ }
|
|
|
+ for k, v := range p.headers {
|
|
|
+ req.Header.Set(k, v)
|
|
|
+ }
|
|
|
+ },
|
|
|
+ Transport: tr,
|
|
|
+ }
|
|
|
+
|
|
|
+ p.s = &http.Server{
|
|
|
+ Handler: rp,
|
|
|
+ }
|
|
|
+
|
|
|
+ go p.s.Serve(listener)
|
|
|
+
|
|
|
+ return p, nil
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+func (p *HTTP2HTTPSPlugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, extraBufToLocal []byte) {
|
|
|
+ wrapConn := frpNet.WrapReadWriteCloserToConn(conn, realConn)
|
|
|
+ p.l.PutConn(wrapConn)
|
|
|
+}
|
|
|
+
|
|
|
+func (p *HTTP2HTTPSPlugin) Name() string {
|
|
|
+ return PluginHTTP2HTTPS
|
|
|
+}
|
|
|
+
|
|
|
+func (p *HTTP2HTTPSPlugin) Close() error {
|
|
|
+ if err := p.s.Close();err != nil {
|
|
|
+ return err
|
|
|
+ }
|
|
|
+ return nil
|
|
|
+}
|