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Add ConnRF to make HTTPUpgrade 0-RTT
https://github.com/XTLS/Xray-core/issues/3128#issuecomment-1991809113
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@ -15,6 +15,29 @@ import (
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"github.com/xtls/xray-core/transport/internet/tls"
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)
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type ConnRF struct {
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net.Conn
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Req *http.Request
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First bool
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}
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func (c *ConnRF) Read(b []byte) (int, error) {
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if c.First {
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c.First = false
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// TODO The bufio usage here is unreliable
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resp, err := http.ReadResponse(bufio.NewReader(c.Conn), c.Req) // nolint:bodyclose
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if err != nil {
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return 0, err
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}
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if resp.Status != "101 Switching Protocols" ||
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strings.ToLower(resp.Header.Get("Upgrade")) != "websocket" ||
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strings.ToLower(resp.Header.Get("Connection")) != "upgrade" {
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return 0, newError("unrecognized reply")
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}
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}
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return c.Conn.Read(b)
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}
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func dialhttpUpgrade(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
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transportConfiguration := streamSettings.ProtocolSettings.(*Config)
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@ -58,18 +81,7 @@ func dialhttpUpgrade(ctx context.Context, dest net.Destination, streamSettings *
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return nil, err
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}
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// TODO The bufio usage here is unreliable
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resp, err := http.ReadResponse(bufio.NewReader(conn), req) // nolint:bodyclose
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if err != nil {
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return nil, err
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}
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if resp.Status == "101 Switching Protocols" &&
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strings.ToLower(resp.Header.Get("Upgrade")) == "websocket" &&
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strings.ToLower(resp.Header.Get("Connection")) == "upgrade" {
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return conn, nil
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}
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return nil, newError("unrecognized reply")
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return &ConnRF{Conn: conn, Req: req, First: true}, nil
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}
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func dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
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