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111 lines
2.5 KiB
111 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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"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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v1 "github.com/fatedier/frp/pkg/config/v1" |
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"github.com/fatedier/frp/pkg/transport" |
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utilnet "github.com/fatedier/frp/pkg/util/net" |
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) |
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func init() { |
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Register(v1.PluginHTTPS2HTTP, NewHTTPS2HTTPPlugin) |
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} |
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type HTTPS2HTTPPlugin struct { |
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opts *v1.HTTPS2HTTPPluginOptions |
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l *Listener |
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s *http.Server |
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} |
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func NewHTTPS2HTTPPlugin(options v1.ClientPluginOptions) (Plugin, error) { |
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opts := options.(*v1.HTTPS2HTTPPluginOptions) |
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listener := NewProxyListener() |
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p := &HTTPS2HTTPPlugin{ |
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opts: opts, |
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l: listener, |
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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 = "http" |
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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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} |
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p.s = &http.Server{ |
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Handler: rp, |
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} |
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var ( |
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tlsConfig *tls.Config |
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err error |
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) |
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if opts.CrtPath != "" || opts.KeyPath != "" { |
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tlsConfig, err = p.genTLSConfig() |
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} else { |
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tlsConfig, err = transport.NewServerTLSConfig("", "", "") |
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tlsConfig.InsecureSkipVerify = true |
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} |
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if err != nil { |
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return nil, fmt.Errorf("gen TLS config error: %v", err) |
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} |
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ln := tls.NewListener(listener, tlsConfig) |
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go func() { |
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_ = p.s.Serve(ln) |
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}() |
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return p, nil |
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} |
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func (p *HTTPS2HTTPPlugin) genTLSConfig() (*tls.Config, error) { |
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cert, err := tls.LoadX509KeyPair(p.opts.CrtPath, p.opts.KeyPath) |
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if err != nil { |
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return nil, err |
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} |
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config := &tls.Config{Certificates: []tls.Certificate{cert}} |
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return config, nil |
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} |
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func (p *HTTPS2HTTPPlugin) Handle(conn io.ReadWriteCloser, realConn net.Conn, _ *ExtraInfo) { |
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wrapConn := utilnet.WrapReadWriteCloserToConn(conn, realConn) |
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_ = p.l.PutConn(wrapConn) |
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} |
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func (p *HTTPS2HTTPPlugin) Name() string { |
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return v1.PluginHTTPS2HTTP |
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} |
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func (p *HTTPS2HTTPPlugin) Close() error { |
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return p.s.Close() |
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}
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