mirror of https://github.com/XTLS/Xray-core.git
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
// Package blackhole is an outbound handler that blocks all connections.
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package blackhole
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//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
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import (
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"context"
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"time"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/common/session"
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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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)
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// Handler is an outbound connection that silently swallow the entire payload.
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type Handler struct {
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response ResponseConfig
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}
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// New creates a new blackhole handler.
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func New(ctx context.Context, config *Config) (*Handler, error) {
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response, err := config.GetInternalResponse()
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if err != nil {
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return nil, err
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}
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return &Handler{
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response: response,
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}, nil
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}
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// Process implements OutboundHandler.Dispatch().
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func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer internet.Dialer) error {
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outbound := session.OutboundFromContext(ctx)
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if outbound != nil {
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outbound.Name = "blackhole"
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}
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nBytes := h.response.WriteTo(link.Writer)
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if nBytes > 0 {
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// Sleep a little here to make sure the response is sent to client.
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time.Sleep(time.Second)
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}
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common.Interrupt(link.Writer)
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return nil
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}
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func init() {
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common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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return New(ctx, config.(*Config))
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}))
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}
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