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XHTTP client: Add decideHTTPVersion() and more logs 

https://github.com/XTLS/Xray-core/pull/4150#issuecomment-2537981368
dependabot/go_modules/google.golang.org/grpc-1.69.0
RPRX 2024-12-12 12:19:18 +00:00 committed by GitHub
parent 743435d6e6
commit 7463561856
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 69 additions and 55 deletions
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5
transport/internet/splithttp/client.go
View File

@ -39,8 +39,7 @@ type DialerClient interface {
type DefaultDialerClient struct {
transportConfig *Config
client *http.Client
isH2 bool
isH3 bool
httpVersion string
// pool of net.Conn, created using dialUploadConn
uploadRawPool *sync.Pool
dialUploadConn func(ctxInner context.Context) (net.Conn, error)
@ -172,7 +171,7 @@ func (c *DefaultDialerClient) SendUploadRequest(ctx context.Context, url string,
req.ContentLength = contentLength
req.Header = c.transportConfig.GetRequestHeader()
if c.isH2 || c.isH3 {
if c.httpVersion != "1.1" {
resp, err := c.client.Do(req)
if err != nil {
return err

99
transport/internet/splithttp/dialer.go
View File

@ -3,6 +3,7 @@ package splithttp
import (
"context"
gotls "crypto/tls"
"fmt"
"io"
"net/http"
"net/http/httptrace"
@ -83,23 +84,32 @@ func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *in
return res.Resource.(DialerClient), res
}
func decideHTTPVersion(tlsConfig *tls.Config, realityConfig *reality.Config) string {
if realityConfig != nil {
return "2"
}
if tlsConfig == nil {
return "1.1"
}
if len(tlsConfig.NextProtocol) != 1 {
return "2"
}
if tlsConfig.NextProtocol[0] == "http/1.1" {
return "1.1"
}
if tlsConfig.NextProtocol[0] == "h3" {
return "3"
}
return "2"
}
func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStreamConfig) DialerClient {
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
realityConfig := reality.ConfigFromStreamSettings(streamSettings)
isH2 := false
isH3 := false
if tlsConfig != nil {
isH2 = !(len(tlsConfig.NextProtocol) == 1 && tlsConfig.NextProtocol[0] == "http/1.1")
isH3 = len(tlsConfig.NextProtocol) == 1 && tlsConfig.NextProtocol[0] == "h3"
} else if realityConfig != nil {
isH2 = true
isH3 = false
}
if isH3 {
dest.Network = net.Network_UDP
httpVersion := decideHTTPVersion(tlsConfig, realityConfig)
if httpVersion == "3" {
dest.Network = net.Network_UDP // better to keep this line
}
var gotlsConfig *gotls.Config
@ -138,7 +148,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
var transport http.RoundTripper
if isH3 {
if httpVersion == "3" {
if keepAlivePeriod == 0 {
keepAlivePeriod = quicgoH3KeepAlivePeriod
}
@ -194,7 +204,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
return quic.DialEarly(ctx, udpConn, udpAddr, tlsCfg, cfg)
},
}
} else if isH2 {
} else if httpVersion == "2" {
if keepAlivePeriod == 0 {
keepAlivePeriod = chromeH2KeepAlivePeriod
}
@ -228,8 +238,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
client: &http.Client{
Transport: transport,
},
isH2: isH2,
isH3: isH3,
httpVersion: httpVersion,
uploadRawPool: &sync.Pool{},
dialUploadConn: dialContext,
}
@ -242,16 +251,16 @@ func init() {
}
func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
errors.LogInfo(ctx, "dialing splithttp to ", dest)
var requestURL url.URL
transportConfiguration := streamSettings.ProtocolSettings.(*Config)
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
realityConfig := reality.ConfigFromStreamSettings(streamSettings)
scMaxEachPostBytes := transportConfiguration.GetNormalizedScMaxEachPostBytes()
scMinPostsIntervalMs := transportConfiguration.GetNormalizedScMinPostsIntervalMs()
httpVersion := decideHTTPVersion(tlsConfig, realityConfig)
if httpVersion == "3" {
dest.Network = net.Network_UDP
}
transportConfiguration := streamSettings.ProtocolSettings.(*Config)
var requestURL url.URL
if tlsConfig != nil || realityConfig != nil {
requestURL.Scheme = "https"
@ -275,8 +284,21 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
httpClient, muxRes := getHTTPClient(ctx, dest, streamSettings)
httpClient2 := httpClient
mode := transportConfiguration.Mode
if mode == "" || mode == "auto" {
mode = "packet-up"
if httpVersion == "2" {
mode = "stream-up"
}
if realityConfig != nil && transportConfiguration.DownloadSettings == nil {
mode = "stream-one"
}
}
errors.LogInfo(ctx, fmt.Sprintf("XHTTP is dialing to %s, mode %s, HTTP version %s, host %s", dest, mode, httpVersion, requestURL.Host))
requestURL2 := requestURL
httpClient2 := httpClient
var muxRes2 *muxResource
if transportConfiguration.DownloadSettings != nil {
globalDialerAccess.Lock()
@ -286,9 +308,12 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
globalDialerAccess.Unlock()
memory2 := streamSettings.DownloadSettings
dest2 := *memory2.Destination // just panic
httpClient2, muxRes2 = getHTTPClient(ctx, dest2, memory2)
tlsConfig2 := tls.ConfigFromStreamSettings(memory2)
realityConfig2 := reality.ConfigFromStreamSettings(memory2)
httpVersion2 := decideHTTPVersion(tlsConfig2, realityConfig2)
if httpVersion2 == "3" {
dest2.Network = net.Network_UDP
}
if tlsConfig2 != nil || realityConfig2 != nil {
requestURL2.Scheme = "https"
} else {
@ -307,20 +332,10 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
}
requestURL2.Path = config2.GetNormalizedPath() + sessionIdUuid.String()
requestURL2.RawQuery = config2.GetNormalizedQuery()
httpClient2, muxRes2 = getHTTPClient(ctx, dest2, memory2)
errors.LogInfo(ctx, fmt.Sprintf("XHTTP is downloading from %s, mode %s, HTTP version %s, host %s", dest2, "stream-down", httpVersion2, requestURL2.Host))
}
mode := transportConfiguration.Mode
if mode == "" || mode == "auto" {
mode = "packet-up"
if (tlsConfig != nil && (len(tlsConfig.NextProtocol) != 1 || tlsConfig.NextProtocol[0] == "h2")) || realityConfig != nil {
mode = "stream-up"
}
if realityConfig != nil && transportConfiguration.DownloadSettings == nil {
mode = "stream-one"
}
}
errors.LogInfo(ctx, "XHTTP is using mode: "+mode)
var writer io.WriteCloser
var reader io.ReadCloser
var remoteAddr, localAddr net.Addr
@ -373,6 +388,9 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
return stat.Connection(&conn), nil
}
scMaxEachPostBytes := transportConfiguration.GetNormalizedScMaxEachPostBytes()
scMinPostsIntervalMs := transportConfiguration.GetNormalizedScMinPostsIntervalMs()
maxUploadSize := scMaxEachPostBytes.roll()
// WithSizeLimit(0) will still allow single bytes to pass, and a lot of
// code relies on this behavior. Subtract 1 so that together with
@ -408,10 +426,7 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
seq += 1
if scMinPostsIntervalMs.From > 0 {
sleep := time.Duration(scMinPostsIntervalMs.roll())*time.Millisecond - time.Since(lastWrite)
if sleep > 0 {
time.Sleep(sleep)
}
time.Sleep(time.Duration(scMinPostsIntervalMs.roll())*time.Millisecond - time.Since(lastWrite))
}
// by offloading the uploads into a buffered pipe, multiple conn.Write

18
transport/internet/splithttp/hub.go
View File

@ -333,30 +333,30 @@ func ListenSH(ctx context.Context, address net.Address, port net.Port, streamSet
Net: "unix",
}, streamSettings.SocketSettings)
if err != nil {
return nil, errors.New("failed to listen unix domain socket(for SH) on ", address).Base(err)
return nil, errors.New("failed to listen UNIX domain socket for XHTTP on ", address).Base(err)
}
errors.LogInfo(ctx, "listening unix domain socket(for SH) on ", address)
errors.LogInfo(ctx, "listening UNIX domain socket for XHTTP on ", address)
} else if l.isH3 { // quic
Conn, err := internet.ListenSystemPacket(context.Background(), &net.UDPAddr{
IP: address.IP(),
Port: int(port),
}, streamSettings.SocketSettings)
if err != nil {
return nil, errors.New("failed to listen UDP(for SH3) on ", address, ":", port).Base(err)
return nil, errors.New("failed to listen UDP for XHTTP/3 on ", address, ":", port).Base(err)
}
h3listener, err := quic.ListenEarly(Conn, tlsConfig, nil)
if err != nil {
return nil, errors.New("failed to listen QUIC(for SH3) on ", address, ":", port).Base(err)
return nil, errors.New("failed to listen QUIC for XHTTP/3 on ", address, ":", port).Base(err)
}
l.h3listener = h3listener
errors.LogInfo(ctx, "listening QUIC(for SH3) on ", address, ":", port)
errors.LogInfo(ctx, "listening QUIC for XHTTP/3 on ", address, ":", port)
l.h3server = &http3.Server{
Handler: handler,
}
go func() {
if err := l.h3server.ServeListener(l.h3listener); err != nil {
errors.LogWarningInner(ctx, err, "failed to serve http3 for splithttp")
errors.LogWarningInner(ctx, err, "failed to serve HTTP/3 for XHTTP/3")
}
}()
} else { // tcp
@ -369,9 +369,9 @@ func ListenSH(ctx context.Context, address net.Address, port net.Port, streamSet
Port: int(port),
}, streamSettings.SocketSettings)
if err != nil {
return nil, errors.New("failed to listen TCP(for SH) on ", address, ":", port).Base(err)
return nil, errors.New("failed to listen TCP for XHTTP on ", address, ":", port).Base(err)
}
errors.LogInfo(ctx, "listening TCP(for SH) on ", address, ":", port)
errors.LogInfo(ctx, "listening TCP for XHTTP on ", address, ":", port)
}
// tcp/unix (h1/h2)
@ -397,7 +397,7 @@ func ListenSH(ctx context.Context, address net.Address, port net.Port, streamSet
go func() {
if err := l.server.Serve(l.listener); err != nil {
errors.LogWarningInner(ctx, err, "failed to serve http for splithttp")
errors.LogWarningInner(ctx, err, "failed to serve HTTP for XHTTP")
}
}()
}

2
transport/internet/splithttp/upload_queue.go
View File

@ -52,7 +52,7 @@ func (h *uploadQueue) Push(p Packet) error {
if p.Reader != nil {
p.Reader.Close()
}
return errors.New("splithttp packet queue closed")
return errors.New("packet queue closed")
}
h.pushedPackets <- p