mirror of
https://github.com/XTLS/Xray-core.git
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XHTTP: Add "stream-up" mode for client & server (#3994)
This commit is contained in:
RPRX
GitHub
parent
94c02f090e
commit
bc4bf3d38f
@ -233,6 +233,7 @@ type SplitHTTPConfig struct {
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XPaddingBytes *Int32Range `json:"xPaddingBytes"`
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Xmux Xmux `json:"xmux"`
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DownloadSettings *StreamConfig `json:"downloadSettings"`
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Mode string `json:"mode"`
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}
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type Xmux struct {
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@ -289,6 +290,14 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
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muxProtobuf.CMaxReuseTimes.To = 128
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}
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switch c.Mode {
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case "":
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c.Mode = "auto"
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case "auto", "packet-up", "stream-up":
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default:
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return nil, errors.New("unsupported mode: " + c.Mode)
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}
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config := &splithttp.Config{
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Path: c.Path,
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Host: c.Host,
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@ -299,6 +308,7 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
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NoSSEHeader: c.NoSSEHeader,
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XPaddingBytes: splithttpNewRandRangeConfig(c.XPaddingBytes),
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Xmux: &muxProtobuf,
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Mode: c.Mode,
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}
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var err error
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if c.DownloadSettings != nil {
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@ -14,6 +14,10 @@ import (
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// has no fields because everything is global state :O)
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type BrowserDialerClient struct{}
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func (c *BrowserDialerClient) OpenUpload(ctx context.Context, baseURL string) io.WriteCloser {
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panic("not implemented yet")
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}
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func (c *BrowserDialerClient) OpenDownload(ctx context.Context, baseURL string) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
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conn, err := browser_dialer.DialGet(baseURL)
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dummyAddr := &gonet.IPAddr{}
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@ -25,6 +25,10 @@ type DialerClient interface {
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// (ctx, baseURL) -> (downloadReader, remoteAddr, localAddr)
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// baseURL already contains sessionId
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OpenDownload(context.Context, string) (io.ReadCloser, net.Addr, net.Addr, error)
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// (ctx, baseURL) -> uploadWriter
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// baseURL already contains sessionId
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OpenUpload(context.Context, string) io.WriteCloser
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}
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// implements splithttp.DialerClient in terms of direct network connections
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@ -38,6 +42,14 @@ type DefaultDialerClient struct {
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dialUploadConn func(ctxInner context.Context) (net.Conn, error)
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}
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func (c *DefaultDialerClient) OpenUpload(ctx context.Context, baseURL string) io.WriteCloser {
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reader, writer := io.Pipe()
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req, _ := http.NewRequestWithContext(ctx, "POST", baseURL, reader)
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req.Header = c.transportConfig.GetRequestHeader()
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go c.client.Do(req)
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return writer
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}
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func (c *DefaultDialerClient) OpenDownload(ctx context.Context, baseURL string) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
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var remoteAddr gonet.Addr
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var localAddr gonet.Addr
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@ -36,6 +36,7 @@ type Config struct {
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XPaddingBytes *RandRangeConfig `protobuf:"bytes,8,opt,name=xPaddingBytes,proto3" json:"xPaddingBytes,omitempty"`
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Xmux *Multiplexing `protobuf:"bytes,9,opt,name=xmux,proto3" json:"xmux,omitempty"`
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DownloadSettings *internet.StreamConfig `protobuf:"bytes,10,opt,name=downloadSettings,proto3" json:"downloadSettings,omitempty"`
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Mode string `protobuf:"bytes,11,opt,name=mode,proto3" json:"mode,omitempty"`
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}
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func (x *Config) Reset() {
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@ -138,6 +139,13 @@ func (x *Config) GetDownloadSettings() *internet.StreamConfig {
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return nil
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}
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func (x *Config) GetMode() string {
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if x != nil {
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return x.Mode
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}
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return ""
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}
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type RandRangeConfig struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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@ -270,7 +278,7 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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@ -314,47 +322,48 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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|
||||
0x68, 0x74, 0x74, 0x70, 0xaa, 0x02, 0x21, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e,
|
||||
0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53,
|
||||
0x70, 0x6c, 0x69, 0x74, 0x48, 0x74, 0x74, 0x70, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
|
||||
}
|
||||
|
||||
var (
|
||||
|
||||
@ -19,6 +19,7 @@ message Config {
|
||||
RandRangeConfig xPaddingBytes = 8;
|
||||
Multiplexing xmux = 9;
|
||||
xray.transport.internet.StreamConfig downloadSettings = 10;
|
||||
string mode = 11;
|
||||
}
|
||||
|
||||
message RandRangeConfig {
|
||||
|
||||
@ -254,9 +254,9 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
|
||||
|
||||
httpClient, muxRes := getHTTPClient(ctx, dest, streamSettings)
|
||||
|
||||
var httpClient2 DialerClient
|
||||
httpClient2 := httpClient
|
||||
requestURL2 := requestURL
|
||||
var muxRes2 *muxResource
|
||||
var requestURL2 url.URL
|
||||
if transportConfiguration.DownloadSettings != nil {
|
||||
globalDialerAccess.Lock()
|
||||
if streamSettings.DownloadSettings == nil {
|
||||
@ -279,11 +279,10 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
|
||||
requestURL2.RawQuery = config2.GetNormalizedQuery()
|
||||
}
|
||||
|
||||
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
|
||||
// uploadWriter wrapper, exact size limits can be enforced
|
||||
uploadPipeReader, uploadPipeWriter := pipe.New(pipe.WithSizeLimit(maxUploadSize - 1))
|
||||
reader, remoteAddr, localAddr, err := httpClient2.OpenDownload(context.WithoutCancel(ctx), requestURL2.String())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if muxRes != nil {
|
||||
muxRes.OpenRequests.Add(1)
|
||||
@ -291,15 +290,48 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
|
||||
if muxRes2 != nil {
|
||||
muxRes2.OpenRequests.Add(1)
|
||||
}
|
||||
closed := false
|
||||
|
||||
go func() {
|
||||
conn := splitConn{
|
||||
writer: nil,
|
||||
reader: reader,
|
||||
remoteAddr: remoteAddr,
|
||||
localAddr: localAddr,
|
||||
onClose: func() {
|
||||
if closed {
|
||||
return
|
||||
}
|
||||
closed = true
|
||||
if muxRes != nil {
|
||||
defer muxRes.OpenRequests.Add(-1)
|
||||
muxRes.OpenRequests.Add(-1)
|
||||
}
|
||||
if muxRes2 != nil {
|
||||
defer muxRes2.OpenRequests.Add(-1)
|
||||
muxRes2.OpenRequests.Add(-1)
|
||||
}
|
||||
},
|
||||
}
|
||||
|
||||
mode := transportConfiguration.Mode
|
||||
if mode == "auto" && realityConfig != nil {
|
||||
mode = "stream-up"
|
||||
}
|
||||
if mode == "stream-up" {
|
||||
conn.writer = httpClient.OpenUpload(ctx, requestURL.String())
|
||||
return stat.Connection(&conn), nil
|
||||
}
|
||||
|
||||
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
|
||||
// uploadWriter wrapper, exact size limits can be enforced
|
||||
uploadPipeReader, uploadPipeWriter := pipe.New(pipe.WithSizeLimit(maxUploadSize - 1))
|
||||
|
||||
conn.writer = uploadWriter{
|
||||
uploadPipeWriter,
|
||||
maxUploadSize,
|
||||
}
|
||||
|
||||
go func() {
|
||||
requestsLimiter := semaphore.New(int(scMaxConcurrentPosts.roll()))
|
||||
var requestCounter int64
|
||||
|
||||
@ -352,30 +384,6 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
|
||||
}
|
||||
}()
|
||||
|
||||
httpClient3 := httpClient
|
||||
requestURL3 := requestURL
|
||||
if httpClient2 != nil {
|
||||
httpClient3 = httpClient2
|
||||
requestURL3 = requestURL2
|
||||
}
|
||||
|
||||
reader, remoteAddr, localAddr, err := httpClient3.OpenDownload(context.WithoutCancel(ctx), requestURL3.String())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
writer := uploadWriter{
|
||||
uploadPipeWriter,
|
||||
maxUploadSize,
|
||||
}
|
||||
|
||||
conn := splitConn{
|
||||
writer: writer,
|
||||
reader: reader,
|
||||
remoteAddr: remoteAddr,
|
||||
localAddr: localAddr,
|
||||
}
|
||||
|
||||
return stat.Connection(&conn), nil
|
||||
}
|
||||
|
||||
|
||||
@ -100,6 +100,8 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
|
||||
return
|
||||
}
|
||||
|
||||
h.config.WriteResponseHeader(writer)
|
||||
|
||||
sessionId := ""
|
||||
subpath := strings.Split(request.URL.Path[len(h.path):], "/")
|
||||
if len(subpath) > 0 {
|
||||
@ -134,7 +136,26 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
|
||||
}
|
||||
|
||||
if seq == "" {
|
||||
errors.LogInfo(context.Background(), "no seq on request:", request.URL.Path)
|
||||
if h.config.Mode == "packet-up" {
|
||||
errors.LogInfo(context.Background(), "stream-up mode is not allowed")
|
||||
writer.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
err = currentSession.uploadQueue.Push(Packet{
|
||||
Reader: request.Body,
|
||||
})
|
||||
if err != nil {
|
||||
errors.LogInfoInner(context.Background(), err, "failed to upload (PushReader)")
|
||||
writer.WriteHeader(http.StatusConflict)
|
||||
} else {
|
||||
writer.WriteHeader(http.StatusOK)
|
||||
<-request.Context().Done()
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
if h.config.Mode == "stream-up" {
|
||||
errors.LogInfo(context.Background(), "packet-up mode is not allowed")
|
||||
writer.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
@ -148,14 +169,14 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
errors.LogInfoInner(context.Background(), err, "failed to upload")
|
||||
errors.LogInfoInner(context.Background(), err, "failed to upload (ReadAll)")
|
||||
writer.WriteHeader(http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
|
||||
seqInt, err := strconv.ParseUint(seq, 10, 64)
|
||||
if err != nil {
|
||||
errors.LogInfoInner(context.Background(), err, "failed to upload")
|
||||
errors.LogInfoInner(context.Background(), err, "failed to upload (ParseUint)")
|
||||
writer.WriteHeader(http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
@ -166,12 +187,11 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
|
||||
})
|
||||
|
||||
if err != nil {
|
||||
errors.LogInfoInner(context.Background(), err, "failed to upload")
|
||||
errors.LogInfoInner(context.Background(), err, "failed to upload (PushPayload)")
|
||||
writer.WriteHeader(http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
|
||||
h.config.WriteResponseHeader(writer)
|
||||
writer.WriteHeader(http.StatusOK)
|
||||
} else if request.Method == "GET" {
|
||||
responseFlusher, ok := writer.(http.Flusher)
|
||||
@ -195,8 +215,6 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
|
||||
writer.Header().Set("Content-Type", "text/event-stream")
|
||||
}
|
||||
|
||||
h.config.WriteResponseHeader(writer)
|
||||
|
||||
writer.WriteHeader(http.StatusOK)
|
||||
|
||||
responseFlusher.Flush()
|
||||
@ -223,6 +241,7 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
|
||||
|
||||
conn.Close()
|
||||
} else {
|
||||
errors.LogInfo(context.Background(), "unsupported method: ", request.Method)
|
||||
writer.WriteHeader(http.StatusMethodNotAllowed)
|
||||
}
|
||||
}
|
||||
|
||||
@ -6,17 +6,20 @@ package splithttp
|
||||
import (
|
||||
"container/heap"
|
||||
"io"
|
||||
"runtime"
|
||||
"sync"
|
||||
|
||||
"github.com/xtls/xray-core/common/errors"
|
||||
)
|
||||
|
||||
type Packet struct {
|
||||
Reader io.ReadCloser
|
||||
Payload []byte
|
||||
Seq uint64
|
||||
}
|
||||
|
||||
type uploadQueue struct {
|
||||
reader io.ReadCloser
|
||||
pushedPackets chan Packet
|
||||
writeCloseMutex sync.Mutex
|
||||
heap uploadHeap
|
||||
@ -39,7 +42,16 @@ func (h *uploadQueue) Push(p Packet) error {
|
||||
h.writeCloseMutex.Lock()
|
||||
defer h.writeCloseMutex.Unlock()
|
||||
|
||||
runtime.Gosched()
|
||||
if h.reader != nil && p.Reader != nil {
|
||||
p.Reader.Close()
|
||||
return errors.New("h.reader already exists")
|
||||
}
|
||||
|
||||
if h.closed {
|
||||
if p.Reader != nil {
|
||||
p.Reader.Close()
|
||||
}
|
||||
return errors.New("splithttp packet queue closed")
|
||||
}
|
||||
|
||||
@ -55,10 +67,18 @@ func (h *uploadQueue) Close() error {
|
||||
h.closed = true
|
||||
close(h.pushedPackets)
|
||||
}
|
||||
runtime.Gosched()
|
||||
if h.reader != nil {
|
||||
return h.reader.Close()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (h *uploadQueue) Read(b []byte) (int, error) {
|
||||
if h.reader != nil {
|
||||
return h.reader.Read(b)
|
||||
}
|
||||
|
||||
if h.closed {
|
||||
return 0, io.EOF
|
||||
}
|
||||
@ -68,6 +88,10 @@ func (h *uploadQueue) Read(b []byte) (int, error) {
|
||||
if !more {
|
||||
return 0, io.EOF
|
||||
}
|
||||
if packet.Reader != nil {
|
||||
h.reader = packet.Reader
|
||||
return h.reader.Read(b)
|
||||
}
|
||||
heap.Push(&h.heap, packet)
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user