mihomo/adapters/inbound/http.go
2021-01-23 14:58:09 +08:00

45 lines
1.2 KiB
Go

package inbound
import (
"net"
"net/http"
"strings"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/context"
)
// NewHTTP recieve normal http request and return HTTPContext
func NewHTTP(request *http.Request, conn net.Conn) *context.HTTPContext {
metadata := parseHTTPAddr(request)
metadata.Type = C.HTTP
if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
metadata.SrcIP = ip
metadata.SrcPort = port
}
return context.NewHTTPContext(conn, request, metadata)
}
// 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))
}
}