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103 lines
2.5 KiB
103 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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