From 56c53909aa5181d6b5c3e929f4c9a6e2ed3150a1 Mon Sep 17 00:00:00 2001
From: kingjcy <chunyinjiang@chunyindeMacBook-Pro.local>
Date: Wed, 20 Nov 2019 20:56:55 +0800
Subject: [PATCH 1/2] plugin http2https

plugin http2https
---
 models/plugin/http2https.go | 109 ++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 models/plugin/http2https.go

diff --git a/models/plugin/http2https.go b/models/plugin/http2https.go
new file mode 100644
index 00000000..04871c97
--- /dev/null
+++ b/models/plugin/http2https.go
@@ -0,0 +1,109 @@
+// 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 {
+	return nil
+}

From 62af5c8844f2436d6366fbf6192620abc52e99be Mon Sep 17 00:00:00 2001
From: kingjcy <chunyinjiang@chunyindeMacBook-Pro.local>
Date: Fri, 22 Nov 2019 15:18:20 +0800
Subject: [PATCH 2/2] handle close

---
 models/plugin/http2https.go | 3 +++
 models/plugin/https2http.go | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/models/plugin/http2https.go b/models/plugin/http2https.go
index 04871c97..6f5965e6 100644
--- a/models/plugin/http2https.go
+++ b/models/plugin/http2https.go
@@ -105,5 +105,8 @@ func (p *HTTP2HTTPSPlugin) Name() string {
 }
 
 func (p *HTTP2HTTPSPlugin) Close() error {
+	if err := p.s.Close();err != nil {
+		return err
+	}
 	return nil
 }
diff --git a/models/plugin/https2http.go b/models/plugin/https2http.go
index 65540356..af5b6af9 100644
--- a/models/plugin/https2http.go
+++ b/models/plugin/https2http.go
@@ -126,5 +126,8 @@ func (p *HTTPS2HTTPPlugin) Name() string {
 }
 
 func (p *HTTPS2HTTPPlugin) Close() error {
+	if err := p.s.Close();err != nil {
+		return err
+	}
 	return nil
 }