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104 lines
2.5 KiB
104 lines
2.5 KiB
// 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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//go:build !frps
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package plugin
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import (
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"context"
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"crypto/tls"
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"io"
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stdlog "log"
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"net"
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"net/http"
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"net/http/httputil"
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"github.com/fatedier/golib/pool"
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v1 "github.com/fatedier/frp/pkg/config/v1"
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"github.com/fatedier/frp/pkg/util/log"
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netpkg "github.com/fatedier/frp/pkg/util/net"
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)
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func init() {
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Register(v1.PluginHTTP2HTTPS, NewHTTP2HTTPSPlugin)
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}
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type HTTP2HTTPSPlugin struct {
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opts *v1.HTTP2HTTPSPluginOptions
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l *Listener
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s *http.Server
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}
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func NewHTTP2HTTPSPlugin(options v1.ClientPluginOptions) (Plugin, error) {
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opts := options.(*v1.HTTP2HTTPSPluginOptions)
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listener := NewProxyListener()
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p := &HTTP2HTTPSPlugin{
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opts: opts,
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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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Rewrite: func(r *httputil.ProxyRequest) {
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r.Out.Header["X-Forwarded-For"] = r.In.Header["X-Forwarded-For"]
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r.Out.Header["X-Forwarded-Host"] = r.In.Header["X-Forwarded-Host"]
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r.Out.Header["X-Forwarded-Proto"] = r.In.Header["X-Forwarded-Proto"]
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req := r.Out
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req.URL.Scheme = "https"
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req.URL.Host = p.opts.LocalAddr
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if p.opts.HostHeaderRewrite != "" {
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req.Host = p.opts.HostHeaderRewrite
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}
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for k, v := range p.opts.RequestHeaders.Set {
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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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BufferPool: pool.NewBuffer(32 * 1024),
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ErrorLog: stdlog.New(log.NewWriteLogger(log.WarnLevel, 2), "", 0),
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}
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p.s = &http.Server{
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Handler: rp,
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ReadHeaderTimeout: 0,
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}
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go func() {
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_ = p.s.Serve(listener)
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}()
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return p, nil
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}
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func (p *HTTP2HTTPSPlugin) Handle(_ context.Context, conn io.ReadWriteCloser, realConn net.Conn, _ *ExtraInfo) {
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wrapConn := netpkg.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 v1.PluginHTTP2HTTPS
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}
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func (p *HTTP2HTTPSPlugin) Close() error {
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return p.s.Close()
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}
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