Add fallback support for v2ray transport

This commit is contained in:
世界 2023-02-13 05:53:03 +08:00
parent a624cd9b49
commit 2bd91baad0
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GPG key ID: CD109927C34A63C4
13 changed files with 132 additions and 85 deletions

View file

@ -24,32 +24,30 @@ import (
var _ adapter.V2RayServerTransport = (*Server)(nil)
type Server struct {
ctx context.Context
handler N.TCPConnectionHandler
errorHandler E.Handler
httpServer *http.Server
h2Server *http2.Server
h2cHandler http.Handler
host []string
path string
method string
headers http.Header
ctx context.Context
handler adapter.V2RayServerTransportHandler
httpServer *http.Server
h2Server *http2.Server
h2cHandler http.Handler
host []string
path string
method string
headers http.Header
}
func (s *Server) Network() []string {
return []string{N.NetworkTCP}
}
func NewServer(ctx context.Context, options option.V2RayHTTPOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (*Server, error) {
func NewServer(ctx context.Context, options option.V2RayHTTPOptions, tlsConfig tls.ServerConfig, handler adapter.V2RayServerTransportHandler) (*Server, error) {
server := &Server{
ctx: ctx,
handler: handler,
errorHandler: errorHandler,
h2Server: new(http2.Server),
host: options.Host,
path: options.Path,
method: options.Method,
headers: make(http.Header),
ctx: ctx,
handler: handler,
h2Server: new(http2.Server),
host: options.Host,
path: options.Path,
method: options.Method,
headers: make(http.Header),
}
if server.method == "" {
server.method = "PUT"
@ -83,18 +81,15 @@ func (s *Server) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
}
host := request.Host
if len(s.host) > 0 && !common.Contains(s.host, host) {
writer.WriteHeader(http.StatusBadRequest)
s.badRequest(request, E.New("bad host: ", host))
s.fallbackRequest(request.Context(), writer, request, http.StatusBadRequest, E.New("bad host: ", host))
return
}
if !strings.HasPrefix(request.URL.Path, s.path) {
writer.WriteHeader(http.StatusNotFound)
s.badRequest(request, E.New("bad path: ", request.URL.Path))
s.fallbackRequest(request.Context(), writer, request, http.StatusNotFound, E.New("bad path: ", request.URL.Path))
return
}
if request.Method != s.method {
writer.WriteHeader(http.StatusNotFound)
s.badRequest(request, E.New("bad method: ", request.Method))
s.fallbackRequest(request.Context(), writer, request, http.StatusNotFound, E.New("bad method: ", request.Method))
return
}
@ -114,14 +109,13 @@ func (s *Server) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
if h, ok := writer.(http.Hijacker); ok {
conn, _, err := h.Hijack()
if err != nil {
writer.WriteHeader(http.StatusInternalServerError)
s.badRequest(request, E.Cause(err, "hijack conn"))
s.fallbackRequest(request.Context(), writer, request, http.StatusInternalServerError, E.Cause(err, "hijack conn"))
return
}
s.handler.NewConnection(request.Context(), conn, metadata)
} else {
conn := NewHTTP2Wrapper(&ServerHTTPConn{
newHTTPConn(request.Body, writer),
NewHTTPConn(request.Body, writer),
writer.(http.Flusher),
})
s.handler.NewConnection(request.Context(), conn, metadata)
@ -129,8 +123,16 @@ func (s *Server) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
}
}
func (s *Server) badRequest(request *http.Request, err error) {
s.errorHandler.NewError(request.Context(), E.Cause(err, "process connection from ", request.RemoteAddr))
func (s *Server) fallbackRequest(ctx context.Context, writer http.ResponseWriter, request *http.Request, statusCode int, err error) {
conn := NewHTTPConn(request.Body, writer)
fErr := s.handler.FallbackConnection(ctx, &conn, M.Metadata{})
if fErr == nil {
return
} else if fErr == os.ErrInvalid {
fErr = nil
}
writer.WriteHeader(statusCode)
s.handler.NewError(request.Context(), E.Cause(E.Errors(err, E.Cause(fErr, "fallback connection")), "process connection from ", request.RemoteAddr))
}
func (s *Server) Serve(listener net.Listener) error {