mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-09-19 18:17:50 +00:00
79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
package inbound
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import (
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std_bufio "bufio"
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"context"
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"crypto/tls"
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"net"
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"github.com/sagernet/sing-box/adapter"
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C "github.com/sagernet/sing-box/constant"
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"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing-box/option"
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"github.com/sagernet/sing/common"
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"github.com/sagernet/sing/common/auth"
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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/sagernet/sing/protocol/http"
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)
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var _ adapter.Inbound = (*HTTP)(nil)
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type HTTP struct {
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myInboundAdapter
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authenticator auth.Authenticator
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tlsConfig *tls.Config
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}
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func NewHTTP(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.HTTPMixedInboundOptions) (*HTTP, error) {
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inbound := &HTTP{
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myInboundAdapter: myInboundAdapter{
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protocol: C.TypeHTTP,
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network: []string{C.NetworkTCP},
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ctx: ctx,
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router: router,
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logger: logger,
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tag: tag,
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listenOptions: options.ListenOptions,
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setSystemProxy: options.SetSystemProxy,
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},
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authenticator: auth.NewAuthenticator(options.Users),
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}
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if options.TLS != nil {
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tlsConfig, err := NewTLSConfig(common.PtrValueOrDefault(options.TLS))
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if err != nil {
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return nil, err
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}
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inbound.tlsConfig = tlsConfig
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}
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inbound.connHandler = inbound
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return inbound, nil
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}
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func (h *HTTP) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
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if h.tlsConfig != nil {
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conn = tls.Server(conn, h.tlsConfig)
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}
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return http.HandleConnection(ctx, conn, std_bufio.NewReader(conn), h.authenticator, h.upstreamUserHandler(metadata), M.Metadata{})
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}
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func (a *myInboundAdapter) upstreamUserHandler(metadata adapter.InboundContext) adapter.UpstreamHandlerAdapter {
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return adapter.NewUpstreamHandler(metadata, a.newUserConnection, a.streamUserPacketConnection, a)
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}
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func (a *myInboundAdapter) newUserConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
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user, loaded := auth.UserFromContext[string](ctx)
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if !loaded {
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a.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
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return a.router.RouteConnection(ctx, conn, metadata)
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}
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metadata.User = user
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a.logger.InfoContext(ctx, "[", user, "] inbound connection to ", metadata.Destination)
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return a.router.RouteConnection(ctx, conn, metadata)
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}
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func (a *myInboundAdapter) streamUserPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
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a.logger.InfoContext(ctx, "inbound packet connection to ", metadata.Destination)
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return a.router.RoutePacketConnection(ctx, conn, metadata)
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}
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