add webtransport tunnel
This commit is contained in:
ginuerzh
@ -29,32 +29,27 @@ type metadata struct {
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func (d *http3Dialer) parseMetadata(md mdata.Metadata) (err error) {
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const (
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authorizePath = "authorizePath"
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pushPath = "pushPath"
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pullPath = "pullPath"
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host = "host"
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keepAlive = "keepAlive"
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keepAlive = "keepalive"
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keepAlivePeriod = "ttl"
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handshakeTimeout = "handshakeTimeout"
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maxIdleTimeout = "maxIdleTimeout"
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maxStreams = "maxStreams"
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)
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d.md.authorizePath = mdutil.GetString(md, authorizePath)
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d.md.authorizePath = mdutil.GetString(md, "pht.authorizePath", "authorizePath")
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if !strings.HasPrefix(d.md.authorizePath, "/") {
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d.md.authorizePath = defaultAuthorizePath
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}
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d.md.pushPath = mdutil.GetString(md, pushPath)
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d.md.pushPath = mdutil.GetString(md, "pht.pushPath", "pushPath")
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if !strings.HasPrefix(d.md.pushPath, "/") {
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d.md.pushPath = defaultPushPath
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}
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d.md.pullPath = mdutil.GetString(md, pullPath)
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d.md.pullPath = mdutil.GetString(md, "pht.pullPath", "pullPath")
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if !strings.HasPrefix(d.md.pullPath, "/") {
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d.md.pullPath = defaultPullPath
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}
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d.md.host = mdutil.GetString(md, host)
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d.md.host = mdutil.GetString(md, "host")
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if !md.IsExists(keepAlive) || mdutil.GetBool(md, keepAlive) {
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d.md.keepAlivePeriod = mdutil.GetDuration(md, keepAlivePeriod)
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if d.md.keepAlivePeriod <= 0 {
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58
dialer/http3/wt/client.go
Normal file
58
dialer/http3/wt/client.go
Normal file
@ -0,0 +1,58 @@
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package wt
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import (
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"context"
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"net"
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"net/http"
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"net/http/httputil"
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"net/url"
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"github.com/go-gost/core/logger"
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wt_util "github.com/go-gost/x/internal/util/wt"
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wt "github.com/quic-go/webtransport-go"
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)
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type Client struct {
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host string
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path string
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header http.Header
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dialer *wt.Dialer
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session *wt.Session
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log logger.Logger
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}
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func (c *Client) Dial(ctx context.Context, addr string) (net.Conn, error) {
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ok := false
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if c.session != nil {
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select {
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case <-c.session.Context().Done():
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default:
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ok = true
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}
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}
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if !ok {
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url := url.URL{
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Scheme: "https",
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Host: c.host,
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Path: c.path,
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}
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resp, session, err := c.dialer.Dial(ctx, url.String(), c.header)
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if err != nil {
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return nil, err
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}
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if c.log.IsLevelEnabled(logger.TraceLevel) {
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dump, _ := httputil.DumpResponse(resp, false)
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c.log.Trace(string(dump))
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}
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c.session = session
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}
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stream, err := c.session.OpenStream()
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if err != nil {
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return nil, err
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}
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return wt_util.Conn(c.session, stream), nil
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}
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111
dialer/http3/wt/dialer.go
Normal file
111
dialer/http3/wt/dialer.go
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@ -0,0 +1,111 @@
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package wt
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import (
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"context"
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"crypto/tls"
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"net"
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"sync"
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"github.com/go-gost/core/dialer"
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md "github.com/go-gost/core/metadata"
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"github.com/go-gost/x/registry"
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"github.com/quic-go/quic-go"
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"github.com/quic-go/quic-go/http3"
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wt "github.com/quic-go/webtransport-go"
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)
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func init() {
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registry.DialerRegistry().Register("wt", NewDialer)
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}
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type wtDialer struct {
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clients map[string]*Client
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clientMutex sync.Mutex
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md metadata
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options dialer.Options
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}
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func NewDialer(opts ...dialer.Option) dialer.Dialer {
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options := dialer.Options{}
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for _, opt := range opts {
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opt(&options)
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}
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return &wtDialer{
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clients: make(map[string]*Client),
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options: options,
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}
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}
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func (d *wtDialer) Init(md md.Metadata) (err error) {
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if err = d.parseMetadata(md); err != nil {
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return
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}
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return
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}
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// Multiplex implements dialer.Multiplexer interface.
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func (d *wtDialer) Multiplex() bool {
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return true
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}
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func (d *wtDialer) Dial(ctx context.Context, addr string, opts ...dialer.DialOption) (conn net.Conn, err error) {
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d.clientMutex.Lock()
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defer d.clientMutex.Unlock()
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client := d.clients[addr]
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if client == nil {
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var options dialer.DialOptions
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for _, opt := range opts {
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opt(&options)
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}
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host := d.md.host
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if host == "" {
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host = options.Host
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}
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if h, _, _ := net.SplitHostPort(host); h != "" {
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host = h
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}
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client = &Client{
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log: d.options.Logger,
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host: host,
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path: d.md.path,
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header: d.md.header,
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dialer: &wt.Dialer{
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RoundTripper: &http3.RoundTripper{
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TLSClientConfig: d.options.TLSConfig,
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Dial: func(ctx context.Context, adr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
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// d.options.Logger.Infof("dial: %s, %s, %s", addr, adr, host)
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udpAddr, err := net.ResolveUDPAddr("udp", addr)
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if err != nil {
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return nil, err
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}
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udpConn, err := options.NetDialer.Dial(ctx, "udp", "")
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if err != nil {
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return nil, err
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}
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return quic.DialEarly(ctx, udpConn.(net.PacketConn), udpAddr, tlsCfg, cfg)
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},
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QuicConfig: &quic.Config{
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KeepAlivePeriod: d.md.keepAlivePeriod,
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HandshakeIdleTimeout: d.md.handshakeTimeout,
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MaxIdleTimeout: d.md.maxIdleTimeout,
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/*
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Versions: []quic.VersionNumber{
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quic.Version1,
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},
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*/
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MaxIncomingStreams: int64(d.md.maxStreams),
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},
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},
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},
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}
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d.clients[addr] = client
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}
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return client.Dial(ctx, addr)
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}
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62
dialer/http3/wt/metadata.go
Normal file
62
dialer/http3/wt/metadata.go
Normal file
@ -0,0 +1,62 @@
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package wt
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import (
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"net/http"
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"time"
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mdata "github.com/go-gost/core/metadata"
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mdutil "github.com/go-gost/core/metadata/util"
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)
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const (
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defaultPath = "/wt"
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defaultKeepalivePeriod = 15 * time.Second
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)
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type metadata struct {
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host string
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path string
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header http.Header
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// QUIC config options
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keepAlivePeriod time.Duration
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maxIdleTimeout time.Duration
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handshakeTimeout time.Duration
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maxStreams int
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}
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func (d *wtDialer) parseMetadata(md mdata.Metadata) (err error) {
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const (
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keepAlive = "keepalive"
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keepAlivePeriod = "ttl"
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handshakeTimeout = "handshakeTimeout"
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maxIdleTimeout = "maxIdleTimeout"
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maxStreams = "maxStreams"
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)
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d.md.host = mdutil.GetString(md, "wt.host", "host")
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d.md.path = mdutil.GetString(md, "wt.path", "path")
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if d.md.path == "" {
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d.md.path = defaultPath
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}
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if !md.IsExists(keepAlive) || mdutil.GetBool(md, keepAlive) {
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d.md.keepAlivePeriod = mdutil.GetDuration(md, keepAlivePeriod)
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if d.md.keepAlivePeriod <= 0 {
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d.md.keepAlivePeriod = 10 * time.Second
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}
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}
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d.md.handshakeTimeout = mdutil.GetDuration(md, handshakeTimeout)
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d.md.maxIdleTimeout = mdutil.GetDuration(md, maxIdleTimeout)
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d.md.maxStreams = mdutil.GetInt(md, maxStreams)
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if m := mdutil.GetStringMapString(md, "wt.header", "header"); len(m) > 0 {
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h := http.Header{}
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for k, v := range m {
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h.Add(k, v)
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}
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d.md.header = h
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}
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return
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}
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