package adapters import ( "net" "net/http" "strings" C "github.com/Dreamacro/clash/constant" ) // HTTPAdapter is a adapter for HTTP connection type HTTPAdapter struct { net.Conn metadata *C.Metadata R *http.Request } // Metadata return destination metadata func (h *HTTPAdapter) Metadata() *C.Metadata { return h.metadata } // NewHTTP is HTTPAdapter generator func NewHTTP(request *http.Request, conn net.Conn) *HTTPAdapter { metadata := parseHTTPAddr(request) metadata.Type = C.HTTP if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil { metadata.SrcIP = ip metadata.SrcPort = port } return &HTTPAdapter{ metadata: metadata, R: request, Conn: conn, } } // RemoveHopByHopHeaders remove hop-by-hop header func RemoveHopByHopHeaders(header http.Header) { // Strip hop-by-hop header based on RFC: // http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.5.1 // https://www.mnot.net/blog/2011/07/11/what_proxies_must_do header.Del("Proxy-Connection") header.Del("Proxy-Authenticate") header.Del("Proxy-Authorization") header.Del("TE") header.Del("Trailers") header.Del("Transfer-Encoding") header.Del("Upgrade") connections := header.Get("Connection") header.Del("Connection") if len(connections) == 0 { return } for _, h := range strings.Split(connections, ",") { header.Del(strings.TrimSpace(h)) } }