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60 lines
1.9 KiB
60 lines
1.9 KiB
2 years ago
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package singbridge
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import (
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"context"
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"os"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/net/cnc"
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"github.com/xtls/xray-core/common/session"
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"github.com/xtls/xray-core/proxy"
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"github.com/xtls/xray-core/transport"
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"github.com/xtls/xray-core/transport/internet"
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"github.com/xtls/xray-core/transport/pipe"
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)
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var _ N.Dialer = (*XrayDialer)(nil)
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type XrayDialer struct {
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internet.Dialer
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}
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func NewDialer(dialer internet.Dialer) *XrayDialer {
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return &XrayDialer{dialer}
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}
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func (d *XrayDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
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return d.Dialer.Dial(ctx, ToDestination(destination, ToNetwork(network)))
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}
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func (d *XrayDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
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return nil, os.ErrInvalid
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}
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type XrayOutboundDialer struct {
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outbound proxy.Outbound
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dialer internet.Dialer
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}
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func NewOutboundDialer(outbound proxy.Outbound, dialer internet.Dialer) *XrayOutboundDialer {
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return &XrayOutboundDialer{outbound, dialer}
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}
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func (d *XrayOutboundDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
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ctx = session.ContextWithOutbound(context.Background(), &session.Outbound{
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Target: ToDestination(destination, ToNetwork(network)),
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})
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opts := []pipe.Option{pipe.WithSizeLimit(64 * 1024)}
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uplinkReader, uplinkWriter := pipe.New(opts...)
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downlinkReader, downlinkWriter := pipe.New(opts...)
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conn := cnc.NewConnection(cnc.ConnectionInputMulti(downlinkWriter), cnc.ConnectionOutputMulti(uplinkReader))
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go d.outbound.Process(ctx, &transport.Link{Reader: downlinkReader, Writer: uplinkWriter}, d.dialer)
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return conn, nil
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}
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func (d *XrayOutboundDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
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return nil, os.ErrInvalid
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}
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