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SplitHTTP: Client supports HTTP/3 (#3543)

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Closes https://github.com/XTLS/Xray-core/issues/3456

Co-authored-by: Fangliding <Fangliding.fshxy@outlook.com>
Co-authored-by: mmmray <142015632+mmmray@users.noreply.github.com>
This commit is contained in:
ll11l1lIllIl1lll 2024-07-17 12:10:48 +00:00 • committed by mmmray
parent 02cd3b8c74
commit c40fc44a34
4 changed files with 36 additions and 8 deletions
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3
transport/internet/splithttp/client.go
View file

@ -32,6 +32,7 @@ type DefaultDialerClient struct {
download *http.Client
upload *http.Client
isH2 bool
isH3 bool
// pool of net.Conn, created using dialUploadConn
uploadRawPool *sync.Pool
dialUploadConn func(ctxInner context.Context) (net.Conn, error)
@ -118,7 +119,7 @@ func (c *DefaultDialerClient) SendUploadRequest(ctx context.Context, url string,
}
req.Header = c.transportConfig.GetRequestHeader()
if c.isH2 {
if c.isH2 || c.isH3 {
resp, err := c.upload.Do(req)
if err != nil {
return err

38
transport/internet/splithttp/dialer.go
View file

@ -10,6 +10,8 @@ import (
"sync"
"time"
"github.com/quic-go/quic-go"
"github.com/quic-go/quic-go/http3"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/errors"
@ -50,12 +52,9 @@ func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *in
return client
}
if browser_dialer.HasBrowserDialer() {
return &BrowserDialerClient{}
}
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
isH2 := tlsConfig != nil && !(len(tlsConfig.NextProtocol) == 1 && tlsConfig.NextProtocol[0] == "http/1.1")
isH3 := tlsConfig != nil && (len(tlsConfig.NextProtocol) == 1 && tlsConfig.NextProtocol[0] == "h3")
var gotlsConfig *gotls.Config
@ -83,10 +82,35 @@ func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *in
return conn, nil
}
var uploadTransport http.RoundTripper
var downloadTransport http.RoundTripper
var uploadTransport http.RoundTripper
if isH2 {
if isH3 {
dest.Network = net.Network_UDP
quicConfig := &quic.Config{
HandshakeIdleTimeout: 10 * time.Second,
MaxIdleTimeout: 90 * time.Second,
KeepAlivePeriod: 3 * time.Second,
Allow0RTT: true,
}
roundTripper := &http3.RoundTripper{
TLSClientConfig: gotlsConfig,
QUICConfig: quicConfig,
Dial: func(ctx context.Context, addr string, tlsCfg *gotls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
conn, err := internet.DialSystem(ctx, dest, streamSettings.SocketSettings)
if err != nil {
return nil, err
}
udpAddr, err := net.ResolveUDPAddr("udp", conn.RemoteAddr().String())
if err != nil {
return nil, err
}
return quic.DialEarly(ctx, conn.(*internet.PacketConnWrapper).Conn.(*net.UDPConn), udpAddr, tlsCfg, cfg)
},
}
downloadTransport = roundTripper
uploadTransport = roundTripper
} else if isH2 {
downloadTransport = &http2.Transport{
DialTLSContext: func(ctxInner context.Context, network string, addr string, cfg *gotls.Config) (net.Conn, error) {
return dialContext(ctxInner)
@ -107,7 +131,6 @@ func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *in
// http.Client and our custom dial context.
DisableKeepAlives: true,
}
// we use uploadRawPool for that
uploadTransport = nil
}
@ -121,6 +144,7 @@ func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *in
Transport: uploadTransport,
},
isH2: isH2,
isH3: isH3,
uploadRawPool: &sync.Pool{},
dialUploadConn: dialContext,
}